trickbot | a459ec02bedc31bb265ba6e61e8a0cb1529e935215dfcc038c9450e142329931

Analysis

max time kernel
112s
max time network
66s
platform
windows7_x64
resource
win7
submitted
10-07-2020 18:09

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General

Target

update.dll
Size

678KB
MD5

8b08196afbd13e134073c22d8a2b24c7
SHA1

bc78f1e0d6739de37a18bfd9613360d2e842237f
SHA256

a459ec02bedc31bb265ba6e61e8a0cb1529e935215dfcc038c9450e142329931
SHA512

393af7cfa25b2bd6b5e0b1cdde760344138b525d23c91bbd01726f9224ac1caf698ef3cfade5bebaf2b2ad8fc6e79f2ec8be489ebb263d61d9ecc830244cdc85

Score

10^/10

trojan banker trickbot

Malware Config

Extracted

Family

trickbot

Version

1000512

Botnet

chil65

95.171.16.42:443

185.90.61.9:443

5.1.81.68:443

185.99.2.65:443

134.119.191.11:443

85.204.116.100:443

78.108.216.47:443

51.81.112.144:443

194.5.250.121:443

185.14.31.104:443

185.99.2.66:443

107.175.72.141:443

192.3.247.123:443

134.119.191.21:443

85.204.116.216:443

91.235.129.20:443

181.129.104.139:449

181.112.157.42:449

181.129.134.18:449

131.161.253.190:449

Attributes

autorun
Name:pwgrab

ecc_pubkey.base64

Signatures

Suspicious use of AdjustPrivilegeToken 3 IoCs

Processes:

wermgr.exe

description pid process

Token: SeDebugPrivilege 844 wermgr.exe
Token: SeDebugPrivilege 844 wermgr.exe
Token: SeDebugPrivilege 844 wermgr.exe

description	pid	process
Token: SeDebugPrivilege	844	wermgr.exe
Token: SeDebugPrivilege	844	wermgr.exe
Token: SeDebugPrivilege	844	wermgr.exe

Templ.dll packer 2 IoCs

Detects Templ.dll packer which usually loads Trickbot.

Processes:

resource	yara_rule
behavioral1/memory/1184-1-0x0000000000240000-0x000000000026E000-memory.dmp	templ_dll
behavioral1/memory/1184-2-0x0000000000460000-0x000000000048D000-memory.dmp	templ_dll

Trickbot
Developed in 2016, TrickBot is one of the more recent banking Trojans.
trojan banker trickbot

Suspicious use of WriteProcessMemory 13 IoCs

Processes:

rundll32.exerundll32.exe

description	pid	process	target process
PID 1156 wrote to memory of 1184	1156	rundll32.exe	rundll32.exe
PID 1156 wrote to memory of 1184	1156	rundll32.exe	rundll32.exe
PID 1156 wrote to memory of 1184	1156	rundll32.exe	rundll32.exe
PID 1156 wrote to memory of 1184	1156	rundll32.exe	rundll32.exe
PID 1156 wrote to memory of 1184	1156	rundll32.exe	rundll32.exe
PID 1156 wrote to memory of 1184	1156	rundll32.exe	rundll32.exe
PID 1156 wrote to memory of 1184	1156	rundll32.exe	rundll32.exe
PID 1184 wrote to memory of 844	1184	rundll32.exe	wermgr.exe
PID 1184 wrote to memory of 844	1184	rundll32.exe	wermgr.exe
PID 1184 wrote to memory of 844	1184	rundll32.exe	wermgr.exe
PID 1184 wrote to memory of 844	1184	rundll32.exe	wermgr.exe
PID 1184 wrote to memory of 844	1184	rundll32.exe	wermgr.exe
PID 1184 wrote to memory of 844	1184	rundll32.exe	wermgr.exe

C:\Windows\system32\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\update.dll,#1
1⤵
- Suspicious use of WriteProcessMemory
PID:1156

C:\Windows\SysWOW64\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\update.dll,#1
2⤵
- Suspicious use of WriteProcessMemory
PID:1184

C:\Windows\system32\wermgr.exe
C:\Windows\system32\wermgr.exe
3⤵
- Suspicious use of AdjustPrivilegeToken
PID:844

Network

MITRE ATT&CK Matrix

Replay Monitor

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Downloads

memory/844-3-0x0000000000000000-mapping.dmp

Download
memory/1184-0-0x0000000000000000-mapping.dmp

Download
memory/1184-1-0x0000000000240000-0x000000000026E000-memory.dmp

Filesize
184KB

Download
memory/1184-2-0x0000000000460000-0x000000000048D000-memory.dmp

Filesize
180KB

Download