trickbot | 07048e9764891e39f3e37c72c8ca33a6a01cbd359cd47c12a3af7726769e83b8

General

Target

mon88.dll
Size

684KB
MD5

10dcb25376d06bc580d053b982f2d9a3
SHA1

a05fcb08123e2ce5385081ce5b57e6dd211b9c3c
SHA256

07048e9764891e39f3e37c72c8ca33a6a01cbd359cd47c12a3af7726769e83b8
SHA512

d377b20f6d6ef9133694e2f776a117307dace1756c00634871f8aac7ab586cd2da982c01715b41b0a4d2a40b6ec621b8f1f4db77fad5df104f1d3de074eb1381

Score

10^/10

trickbot mon88 banker trojan

Malware Config

Extracted

Family

trickbot

Version

100012

Botnet

mon88

C2

41.77.134.250:449

45.155.173.242:443

192.162.238.186:449

142.112.79.223:449

122.2.28.70:449

154.126.176.30:449

45.230.244.20:443

182.253.107.34:443

200.52.147.93:443

123.200.26.246:449

131.255.106.152:449

177.85.133.118:449

103.225.138.94:449

142.202.191.164:443

95.210.118.90:449

36.94.62.207:443

201.20.118.122:449

180.92.238.186:449

103.130.6.244:449

202.91.41.138:449

Attributes

autorun
Name:pwgrab

ecc_pubkey.base64

Signatures

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

Templ.dll packer 3 IoCs

Detects Templ.dll packer which usually loads Trickbot.

Processes:

resource	yara_rule
behavioral1/memory/1232-5-0x0000000000950000-0x0000000000989000-memory.dmp	templ_dll
behavioral1/memory/1232-6-0x0000000000E40000-0x0000000000E77000-memory.dmp	templ_dll
behavioral1/memory/1232-7-0x0000000000170000-0x00000000001A6000-memory.dmp	templ_dll

Looks up external IP address via web service 1 IoCs
Uses a legitimate IP lookup service to find the infected system's external IP.

Processes:

flow ioc

8 ipecho.net
Suspicious use of AdjustPrivilegeToken 1 IoCs

Processes:

wermgr.exe

description pid process

Token: SeDebugPrivilege 1468 wermgr.exe

flow	ioc
8	ipecho.net

description	pid	process
Token: SeDebugPrivilege	1468	wermgr.exe

Suspicious use of WriteProcessMemory 17 IoCs

Processes:

regsvr32.exeregsvr32.exe

description	pid	process	target process
PID 1636 wrote to memory of 1232	1636	regsvr32.exe	regsvr32.exe
PID 1636 wrote to memory of 1232	1636	regsvr32.exe	regsvr32.exe
PID 1636 wrote to memory of 1232	1636	regsvr32.exe	regsvr32.exe
PID 1636 wrote to memory of 1232	1636	regsvr32.exe	regsvr32.exe
PID 1636 wrote to memory of 1232	1636	regsvr32.exe	regsvr32.exe
PID 1636 wrote to memory of 1232	1636	regsvr32.exe	regsvr32.exe
PID 1636 wrote to memory of 1232	1636	regsvr32.exe	regsvr32.exe
PID 1232 wrote to memory of 1492	1232	regsvr32.exe	wermgr.exe
PID 1232 wrote to memory of 1492	1232	regsvr32.exe	wermgr.exe
PID 1232 wrote to memory of 1492	1232	regsvr32.exe	wermgr.exe
PID 1232 wrote to memory of 1492	1232	regsvr32.exe	wermgr.exe
PID 1232 wrote to memory of 1468	1232	regsvr32.exe	wermgr.exe
PID 1232 wrote to memory of 1468	1232	regsvr32.exe	wermgr.exe
PID 1232 wrote to memory of 1468	1232	regsvr32.exe	wermgr.exe
PID 1232 wrote to memory of 1468	1232	regsvr32.exe	wermgr.exe
PID 1232 wrote to memory of 1468	1232	regsvr32.exe	wermgr.exe
PID 1232 wrote to memory of 1468	1232	regsvr32.exe	wermgr.exe

C:\Windows\system32\regsvr32.exe
regsvr32 /s C:\Users\Admin\AppData\Local\Temp\mon88.dll
1⤵
- Suspicious use of WriteProcessMemory
PID:1636

C:\Windows\SysWOW64\regsvr32.exe
/s C:\Users\Admin\AppData\Local\Temp\mon88.dll
2⤵
- Suspicious use of WriteProcessMemory
PID:1232

C:\Windows\system32\wermgr.exe
C:\Windows\system32\wermgr.exe
3⤵
PID:1492

C:\Windows\system32\wermgr.exe
C:\Windows\system32\wermgr.exe
3⤵
- Suspicious use of AdjustPrivilegeToken
PID:1468

Network

MITRE ATT&CK Matrix

Replay Monitor

Loading Replay Monitor...

Downloads

memory/1232-3-0x0000000000000000-mapping.dmp

Download
memory/1232-4-0x00000000761E1000-0x00000000761E3000-memory.dmp

Filesize
8KB

Download
memory/1232-5-0x0000000000950000-0x0000000000989000-memory.dmp

Filesize
228KB

Download
memory/1232-6-0x0000000000E40000-0x0000000000E77000-memory.dmp

Filesize
220KB

Download
memory/1232-8-0x0000000002300000-0x0000000002343000-memory.dmp

Filesize
268KB

Download
memory/1232-7-0x0000000000170000-0x00000000001A6000-memory.dmp

Filesize
216KB

Download
memory/1232-11-0x0000000000511000-0x0000000000513000-memory.dmp

Filesize
8KB

Download
memory/1232-10-0x0000000000B30000-0x0000000000B31000-memory.dmp

Filesize
4KB

Download
memory/1468-9-0x0000000000000000-mapping.dmp

Download
memory/1468-12-0x0000000000060000-0x0000000000088000-memory.dmp

Filesize
160KB

Download
memory/1468-13-0x0000000000120000-0x0000000000121000-memory.dmp

Filesize
4KB

Download
memory/1636-2-0x000007FEFBEC1000-0x000007FEFBEC3000-memory.dmp

Filesize
8KB

Download

Analysis

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