trickbot | 5b53e93d56e20740ef468c0dc16bf4b0dc459007637874f1b2e8094f7d41e0a2

Analysis

max time kernel
112s
max time network
76s
platform
windows7_x64
resource
win7
submitted
29-06-2020 18:06

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General

Target

update.dll
Size

548KB
MD5

b1d79a3bf998b8b7621ae5e965f7a0a4
SHA1

e6a35a0de7d6fd3f623136718a7fd107b092bc73
SHA256

5b53e93d56e20740ef468c0dc16bf4b0dc459007637874f1b2e8094f7d41e0a2
SHA512

7fb91d1d8c2931655c1b4599d99a5ef99cfa50a6671b1d675e70956694638471a44ae8615b5f241f4e182e3017d218e293d4fb92d45e28a03dedcb070f220097

Score

10^/10

trojan banker trickbot

Malware Config

Extracted

Family

trickbot

Version

1000512

Botnet

chil50

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 WriteProcessMemory 13 IoCs

Processes:

rundll32.exerundll32.exe

description	pid	process	target process
PID 1124 wrote to memory of 1184	1124	rundll32.exe	rundll32.exe
PID 1124 wrote to memory of 1184	1124	rundll32.exe	rundll32.exe
PID 1124 wrote to memory of 1184	1124	rundll32.exe	rundll32.exe
PID 1124 wrote to memory of 1184	1124	rundll32.exe	rundll32.exe
PID 1124 wrote to memory of 1184	1124	rundll32.exe	rundll32.exe
PID 1124 wrote to memory of 1184	1124	rundll32.exe	rundll32.exe
PID 1124 wrote to memory of 1184	1124	rundll32.exe	rundll32.exe
PID 1184 wrote to memory of 1312	1184	rundll32.exe	wermgr.exe
PID 1184 wrote to memory of 1312	1184	rundll32.exe	wermgr.exe
PID 1184 wrote to memory of 1312	1184	rundll32.exe	wermgr.exe
PID 1184 wrote to memory of 1312	1184	rundll32.exe	wermgr.exe
PID 1184 wrote to memory of 1312	1184	rundll32.exe	wermgr.exe
PID 1184 wrote to memory of 1312	1184	rundll32.exe	wermgr.exe

Suspicious use of AdjustPrivilegeToken 3 IoCs

Processes:

wermgr.exe

description pid process

Token: SeDebugPrivilege 1312 wermgr.exe
Token: SeDebugPrivilege 1312 wermgr.exe
Token: SeDebugPrivilege 1312 wermgr.exe

description	pid	process
Token: SeDebugPrivilege	1312	wermgr.exe
Token: SeDebugPrivilege	1312	wermgr.exe
Token: SeDebugPrivilege	1312	wermgr.exe

Templ.dll packer 2 IoCs

Detects Templ.dll packer which usually loads Trickbot.

Processes:

resource	yara_rule
behavioral1/memory/1184-1-0x00000000002C0000-0x00000000002EE000-memory.dmp	templ_dll
behavioral1/memory/1184-2-0x0000000000730000-0x000000000075D000-memory.dmp	templ_dll

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

C:\Windows\system32\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\update.dll,#1
1⤵
- Suspicious use of WriteProcessMemory
PID:1124

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:1312

Network

MITRE ATT&CK Matrix

Replay Monitor

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Downloads

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

Download
memory/1184-1-0x00000000002C0000-0x00000000002EE000-memory.dmp

Filesize
184KB

Download
memory/1184-2-0x0000000000730000-0x000000000075D000-memory.dmp

Filesize
180KB

Download
memory/1312-3-0x0000000000000000-mapping.dmp

Download