Hunting the LockBit Gang's Exfiltration Infrastructures - Yoroi
Common Information
Type Value
UUID 4818fab4-2d85-4df0-8e11-999d59ec28d8
Fingerprint bc001999d7acd21b
Analysis status DONE
Considered CTI value 2
Text language
Published Sept. 24, 2021, 9:36 a.m.
Added to db Sept. 26, 2022, 9:31 a.m.
Last updated Nov. 17, 2024, 6:49 p.m.
Headline Hunting the LockBit Gang's Exfiltration Infrastructures
Title Hunting the LockBit Gang's Exfiltration Infrastructures - Yoroi
Detected Hints/Tags/Attributes 77/3/27
Attributes
Details Type #Events CTI Value
Details Domain 285
microsoft.net
Details File 130
ws2_32.dll
Details File 100
ntuser.dat.log
Details File 99
bootsect.bak
Details File 243
autorun.inf
Details File 143
thumbs.db
Details File 101
iconcache.db
Details File 38
restore-my-files.txt
Details File 351
recycle.bin
Details sha256 3
3407f26b3d69f1dfce76782fee1256274cf92f744c65aa1ff2d3eaaaf61b0b1d
Details sha256 1
2f18e61e3d9189f6ff5cc95252396bebaefe0d76596cc51cf0ade6a5156c6f66
Details sha256 3
4db7eeed852946803c16373a085c1bb5f79b60d2122d6fc9a2703714cdd9dac0
Details sha256 1
07a3dcb8d9b062fb480692fa33d12da05c21f544492cbaf9207956ac647ba9ae
Details sha256 2
bd14872dd9fdead89fc074fdc5832caea4ceac02983ec41f814278130b3f943e
Details sha256 1
ced3de74196b2fac18e010d2e575335e2af320110d3fdaff09a33165edb43ca2
Details sha256 1
107d9fce05ff8296d0417a5a830d180cd46aa120ced8360df3ebfd15cb550636
Details IPv4 4
139.60.160.200
Details IPv4 4
193.162.143.218
Details IPv4 4
193.38.235.234
Details IPv4 4
45.227.255.190
Details IPv4 3
93.190.139.223
Details IPv4 4
168.100.11.72
Details IPv4 4
174.138.62.35
Details IPv4 4
93.190.143.101
Details IPv4 4
88.80.147.102
Details IPv4 5
185.215.113.39
Details Yara rule 1
rule stealbit_decode {
	meta:
		description = "Yara Rule for StealBit Configuration decryption"
		author = "Yoroi Malware Zlab"
		last_updated = "2021_09_01"
		tlp = "white"
		category = "informational"
	strings:
		$Offset = { FF 17 18 19 20 00 00 00 00 00 00 }
		$decode_Conf = { 8B C1 83 E0 0F 8A 8? ?? ?? ?? ?? 30 8? ?? ?? ?? ?? 41 83 F9 7C }
	condition:
		all of them
}