trickbot | e2bba9e894cef89fd6b12d8c2bf19a139e0fd6a3e91684385f84866a6a10d5d8

Analysis

max time kernel
27s
max time network
130s
platform
windows10_x64
resource
win10v20210408
submitted
06-05-2021 20:49

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General

Target

chester.dll
Size

449KB
MD5

ac2b2336004ae55d79e225ae4634b9ca
SHA1

a2399efd6b0c947820433f5b48542b61ce16f485
SHA256

e2bba9e894cef89fd6b12d8c2bf19a139e0fd6a3e91684385f84866a6a10d5d8
SHA512

188fe4701944f27464fe67b97552d35078f1d9fdd6478950ce21beb0dcae6938a79cf7bf7aa2068bb1576e1070e9f375cb61f9bb918b3dfa76d79ac18703f98c

Score

10^/10

trickbot che3 banker trojan

Malware Config

Extracted

Family

trickbot

Version

2000029

Botnet

che3

103.66.72.217:443

117.252.68.211:443

103.124.173.35:443

115.73.211.230:443

117.54.250.246:443

131.0.112.122:443

102.176.221.78:443

181.176.161.143:443

154.79.251.172:443

103.111.199.76:443

103.54.41.193:443

154.79.244.182:443

154.79.245.158:443

139.255.116.42:443

178.254.161.250:443

178.134.47.166:443

158.181.179.229:443

103.90.197.33:443

109.207.165.40:443

178.72.192.20:443

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 1 IoCs

Detects Templ.dll packer which usually loads Trickbot.

Processes:

resource	yara_rule
behavioral2/memory/1044-115-0x0000000000BA0000-0x0000000000DC6000-memory.dmp	templ_dll

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

19 ident.me
18 ident.me
Suspicious use of AdjustPrivilegeToken 1 IoCs

Processes:

wermgr.exe

description pid process

Token: SeDebugPrivilege 3732 wermgr.exe

flow	ioc
19	ident.me
18	ident.me

description	pid	process
Token: SeDebugPrivilege	3732	wermgr.exe

Suspicious use of WriteProcessMemory 7 IoCs

Processes:

rundll32.exerundll32.exe

description	pid	process	target process
PID 796 wrote to memory of 1044	796	rundll32.exe	rundll32.exe
PID 796 wrote to memory of 1044	796	rundll32.exe	rundll32.exe
PID 796 wrote to memory of 1044	796	rundll32.exe	rundll32.exe
PID 1044 wrote to memory of 3732	1044	rundll32.exe	wermgr.exe
PID 1044 wrote to memory of 3732	1044	rundll32.exe	wermgr.exe
PID 1044 wrote to memory of 3732	1044	rundll32.exe	wermgr.exe
PID 1044 wrote to memory of 3732	1044	rundll32.exe	wermgr.exe

C:\Windows\system32\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\chester.dll,#1
1⤵
- Suspicious use of WriteProcessMemory
PID:796

C:\Windows\SysWOW64\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\chester.dll,#1
2⤵
- Suspicious use of WriteProcessMemory
PID:1044

C:\Windows\system32\wermgr.exe
C:\Windows\system32\wermgr.exe
3⤵
- Suspicious use of AdjustPrivilegeToken
PID:3732

Network

MITRE ATT&CK Matrix

Replay Monitor

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Downloads

memory/1044-114-0x0000000000000000-mapping.dmp

Download
memory/1044-115-0x0000000000BA0000-0x0000000000DC6000-memory.dmp

Filesize
2.1MB

Download
memory/1044-118-0x0000000000EB0000-0x0000000000EB1000-memory.dmp

Filesize
4KB

Download
memory/1044-117-0x0000000000DD0000-0x0000000000E13000-memory.dmp

Filesize
268KB

Download
memory/1044-119-0x0000000010001000-0x0000000010003000-memory.dmp

Filesize
8KB

Download
memory/3732-116-0x0000000000000000-mapping.dmp

Download
memory/3732-121-0x000001DBBAA30000-0x000001DBBAA31000-memory.dmp

Filesize
4KB

Download
memory/3732-120-0x000001DBBA9F0000-0x000001DBBAA18000-memory.dmp

Filesize
160KB

Download