trickbot | 95219d7277efae8024c40d481e120b7c70f8c73f361574752c62ffe789346c3e

General

Target

update.dll
Size

548KB
MD5

5ae59237bb50ddcf907b25b6952da9c8
SHA1

1e25e6b4b7acdd309ae2176c4164acc4f3300b91
SHA256

95219d7277efae8024c40d481e120b7c70f8c73f361574752c62ffe789346c3e
SHA512

24e33d5f58f54f760782060a2fc06fea2f769d28031cf626d45910cbbaf4838e77724a3d8ca317d0d2424186066bf2714b706a60bb3054018f2b31db53957c75

Score

10^/10

spyware trojan banker trickbot

Malware Config

Extracted

Family

trickbot

Version

1000512

Botnet

chil50

C2

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 7 IoCs

Processes:

rundll32.exerundll32.exe

description	pid	process	target process
PID 3672 wrote to memory of 3056	3672	rundll32.exe	rundll32.exe
PID 3672 wrote to memory of 3056	3672	rundll32.exe	rundll32.exe
PID 3672 wrote to memory of 3056	3672	rundll32.exe	rundll32.exe
PID 3056 wrote to memory of 3160	3056	rundll32.exe	wermgr.exe
PID 3056 wrote to memory of 3160	3056	rundll32.exe	wermgr.exe
PID 3056 wrote to memory of 3160	3056	rundll32.exe	wermgr.exe
PID 3056 wrote to memory of 3160	3056	rundll32.exe	wermgr.exe

Suspicious use of AdjustPrivilegeToken 3 IoCs

Processes:

wermgr.exe

description pid process

Token: SeDebugPrivilege 3160 wermgr.exe
Token: SeDebugPrivilege 3160 wermgr.exe
Token: SeDebugPrivilege 3160 wermgr.exe

description	pid	process
Token: SeDebugPrivilege	3160	wermgr.exe
Token: SeDebugPrivilege	3160	wermgr.exe
Token: SeDebugPrivilege	3160	wermgr.exe

Templ.dll packer 2 IoCs

Detects Templ.dll packer which usually loads Trickbot.

Processes:

resource	yara_rule
behavioral2/memory/3056-1-0x0000000000700000-0x000000000072E000-memory.dmp	templ_dll
behavioral2/memory/3056-2-0x0000000000730000-0x000000000075D000-memory.dmp	templ_dll

Reads user/profile data of web browsers 2 TTPs
Infostealers often target stored browser data, which can include saved credentials etc.
spyware

Data from Local System
T1005

Credentials in Files
T1081
Looks up external IP address via web service 2 IoCs
Uses a legitimate IP lookup service to find the infected system's external IP.

Processes:

flow ioc

11 api.ipify.org
12 api.ipify.org
Trickbot
Developed in 2016, TrickBot is one of the more recent banking Trojans.
trojan banker trickbot

flow	ioc
11	api.ipify.org
12	api.ipify.org

C:\Windows\system32\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\update.dll,#1
1⤵
- Suspicious use of WriteProcessMemory
PID:3672

C:\Windows\SysWOW64\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\update.dll,#1
2⤵
- Suspicious use of WriteProcessMemory
PID:3056

C:\Windows\system32\wermgr.exe
C:\Windows\system32\wermgr.exe
3⤵
- Suspicious use of AdjustPrivilegeToken
PID:3160

Network

MITRE ATT&CK Matrix ATT&CK v6

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Credential Access

Credentials in Files

1

T1081

Discovery

Lateral Movement

Collection

Data from Local System

1

T1005

Exfiltration

Command and Control

Impact

Replay Monitor

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Downloads

memory/3056-0-0x0000000000000000-mapping.dmp

Download
memory/3056-1-0x0000000000700000-0x000000000072E000-memory.dmp

Filesize
184KB

Download
memory/3056-2-0x0000000000730000-0x000000000075D000-memory.dmp

Filesize
180KB

Download
memory/3160-3-0x0000000000000000-mapping.dmp

Download

Analysis

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