trickbot | b4095d1c356a145cca001102abd0ad719a1798594756d20e198f92a39ba21af7

General

Target

triage_dropped_file.dll
Size

542KB
MD5

a72b41be79e3fba13890f3487e6e794b
SHA1

180ec439b27f512428550d3a199edcd013754602
SHA256

b4095d1c356a145cca001102abd0ad719a1798594756d20e198f92a39ba21af7
SHA512

4c21d93e14aea94afca3378b6adbddad2c0ddc579d1bf81e437da2b42d1228992ffe61532a3055af9e794144c3ff0f8f31aff9c9e297a0dba41d649af614a3d6

Score

10^/10

trickbot zem1 banker trojan

Malware Config

Extracted

Family

trickbot

Version

2000033

Botnet

zem1

C2

179.42.137.102:443

191.36.152.198:443

179.42.137.104:443

179.42.137.106:443

179.42.137.108:443

202.183.12.124:443

194.190.18.122:443

103.56.207.230:443

171.103.187.218:449

171.103.189.118:449

18.139.111.104:443

179.42.137.105:443

186.4.193.75:443

171.101.229.2:449

179.42.137.107:443

103.56.43.209:449

179.42.137.110:443

45.181.207.156:443

197.44.54.162:449

179.42.137.109:443

Attributes

autorun
Name:pwgrabb
Name:pwgrabc

ecc_pubkey.base64

Signatures

Trickbot
Developed in 2016, TrickBot is one of the more recent banking Trojans.
trojan banker trickbot
Drops file in System32 directory 1 IoCs

Processes:

wermgr.exe

description ioc process

File created C:\Windows\system32\cn\rxvoxmz.txt wermgr.exe
Discovers systems in the same network 1 TTPs 2 IoCs
discovery

Remote System Discovery
T1018

Processes:

net.exenet.exe

pid process

1788 net.exe
892 net.exe
Gathers network information 2 TTPs 1 IoCs
Uses commandline utility to view network configuration.

System Information Discovery
T1082

Command-Line Interface
T1059

Processes:

ipconfig.exe

pid process

1220 ipconfig.exe
Runs net.exe
Suspicious behavior: EnumeratesProcesses 4 IoCs

Processes:

svchost.exesvchost.exesvchost.exe

pid process

1976 svchost.exe
1620 svchost.exe
1620 svchost.exe
588 svchost.exe
Suspicious use of AdjustPrivilegeToken 3 IoCs

Processes:

wermgr.exesvchost.exesvchost.exe

description pid process

Token: SeDebugPrivilege 2016 wermgr.exe
Token: SeDebugPrivilege 1976 svchost.exe
Token: SeDebugPrivilege 1620 svchost.exe

description	ioc	process
File created	C:\Windows\system32\cn\rxvoxmz.txt	wermgr.exe

pid	process
1788	net.exe
892	net.exe

pid	process
1220	ipconfig.exe

pid	process
1976	svchost.exe
1620	svchost.exe
1620	svchost.exe
588	svchost.exe

description	pid	process
Token: SeDebugPrivilege	2016	wermgr.exe
Token: SeDebugPrivilege	1976	svchost.exe
Token: SeDebugPrivilege	1620	svchost.exe

Suspicious use of WriteProcessMemory 64 IoCs

Processes:

regsvr32.exeregsvr32.exewermgr.exe

description	pid	process	target process
PID 1032 wrote to memory of 1568	1032	regsvr32.exe	regsvr32.exe
PID 1032 wrote to memory of 1568	1032	regsvr32.exe	regsvr32.exe
PID 1032 wrote to memory of 1568	1032	regsvr32.exe	regsvr32.exe
PID 1032 wrote to memory of 1568	1032	regsvr32.exe	regsvr32.exe
PID 1032 wrote to memory of 1568	1032	regsvr32.exe	regsvr32.exe
PID 1032 wrote to memory of 1568	1032	regsvr32.exe	regsvr32.exe
PID 1032 wrote to memory of 1568	1032	regsvr32.exe	regsvr32.exe
PID 1568 wrote to memory of 2016	1568	regsvr32.exe	wermgr.exe
PID 1568 wrote to memory of 2016	1568	regsvr32.exe	wermgr.exe
PID 1568 wrote to memory of 2016	1568	regsvr32.exe	wermgr.exe
PID 1568 wrote to memory of 2016	1568	regsvr32.exe	wermgr.exe
PID 1568 wrote to memory of 2016	1568	regsvr32.exe	wermgr.exe
PID 1568 wrote to memory of 2016	1568	regsvr32.exe	wermgr.exe
PID 2016 wrote to memory of 1976	2016	wermgr.exe	svchost.exe
PID 2016 wrote to memory of 1976	2016	wermgr.exe	svchost.exe
PID 2016 wrote to memory of 1976	2016	wermgr.exe	svchost.exe
PID 2016 wrote to memory of 1976	2016	wermgr.exe	svchost.exe
PID 2016 wrote to memory of 1976	2016	wermgr.exe	svchost.exe
PID 2016 wrote to memory of 1976	2016	wermgr.exe	svchost.exe
PID 2016 wrote to memory of 1976	2016	wermgr.exe	svchost.exe
PID 2016 wrote to memory of 1976	2016	wermgr.exe	svchost.exe
PID 2016 wrote to memory of 1976	2016	wermgr.exe	svchost.exe
PID 2016 wrote to memory of 1976	2016	wermgr.exe	svchost.exe
PID 2016 wrote to memory of 1976	2016	wermgr.exe	svchost.exe
PID 2016 wrote to memory of 1976	2016	wermgr.exe	svchost.exe
PID 2016 wrote to memory of 1976	2016	wermgr.exe	svchost.exe
PID 2016 wrote to memory of 1976	2016	wermgr.exe	svchost.exe
PID 2016 wrote to memory of 1976	2016	wermgr.exe	svchost.exe
PID 2016 wrote to memory of 1976	2016	wermgr.exe	svchost.exe
PID 2016 wrote to memory of 1976	2016	wermgr.exe	svchost.exe
PID 2016 wrote to memory of 1976	2016	wermgr.exe	svchost.exe
PID 2016 wrote to memory of 1976	2016	wermgr.exe	svchost.exe
PID 2016 wrote to memory of 1976	2016	wermgr.exe	svchost.exe
PID 2016 wrote to memory of 1976	2016	wermgr.exe	svchost.exe
PID 2016 wrote to memory of 1976	2016	wermgr.exe	svchost.exe
PID 2016 wrote to memory of 1976	2016	wermgr.exe	svchost.exe
PID 2016 wrote to memory of 1976	2016	wermgr.exe	svchost.exe
PID 2016 wrote to memory of 1976	2016	wermgr.exe	svchost.exe
PID 2016 wrote to memory of 1976	2016	wermgr.exe	svchost.exe
PID 2016 wrote to memory of 1976	2016	wermgr.exe	svchost.exe
PID 2016 wrote to memory of 1976	2016	wermgr.exe	svchost.exe
PID 2016 wrote to memory of 1976	2016	wermgr.exe	svchost.exe
PID 2016 wrote to memory of 1976	2016	wermgr.exe	svchost.exe
PID 2016 wrote to memory of 1976	2016	wermgr.exe	svchost.exe
PID 2016 wrote to memory of 1976	2016	wermgr.exe	svchost.exe
PID 2016 wrote to memory of 1976	2016	wermgr.exe	svchost.exe
PID 2016 wrote to memory of 1976	2016	wermgr.exe	svchost.exe
PID 2016 wrote to memory of 1976	2016	wermgr.exe	svchost.exe
PID 2016 wrote to memory of 1976	2016	wermgr.exe	svchost.exe
PID 2016 wrote to memory of 1976	2016	wermgr.exe	svchost.exe
PID 2016 wrote to memory of 1976	2016	wermgr.exe	svchost.exe
PID 2016 wrote to memory of 1976	2016	wermgr.exe	svchost.exe
PID 2016 wrote to memory of 1976	2016	wermgr.exe	svchost.exe
PID 2016 wrote to memory of 1976	2016	wermgr.exe	svchost.exe
PID 2016 wrote to memory of 1976	2016	wermgr.exe	svchost.exe
PID 2016 wrote to memory of 1976	2016	wermgr.exe	svchost.exe
PID 2016 wrote to memory of 1976	2016	wermgr.exe	svchost.exe
PID 2016 wrote to memory of 1976	2016	wermgr.exe	svchost.exe
PID 2016 wrote to memory of 1976	2016	wermgr.exe	svchost.exe
PID 2016 wrote to memory of 1976	2016	wermgr.exe	svchost.exe
PID 2016 wrote to memory of 1976	2016	wermgr.exe	svchost.exe
PID 2016 wrote to memory of 1976	2016	wermgr.exe	svchost.exe
PID 2016 wrote to memory of 1976	2016	wermgr.exe	svchost.exe
PID 2016 wrote to memory of 1976	2016	wermgr.exe	svchost.exe

C:\Windows\system32\regsvr32.exe
regsvr32 /s C:\Users\Admin\AppData\Local\Temp\triage_dropped_file.dll
1⤵
- Suspicious use of WriteProcessMemory
PID:1032

C:\Windows\SysWOW64\regsvr32.exe
/s C:\Users\Admin\AppData\Local\Temp\triage_dropped_file.dll
2⤵
- Suspicious use of WriteProcessMemory
PID:1568

C:\Windows\system32\wermgr.exe
C:\Windows\system32\wermgr.exe
3⤵
- Drops file in System32 directory
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:2016

C:\Windows\system32\svchost.exe
C:\Windows\system32\svchost.exe
4⤵
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:1976

C:\Windows\system32\svchost.exe
C:\Windows\system32\svchost.exe
4⤵
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:1620

C:\Windows\system32\svchost.exe
C:\Windows\system32\svchost.exe
4⤵
PID:1768

C:\Windows\system32\svchost.exe
C:\Windows\system32\svchost.exe
4⤵
- Suspicious behavior: EnumeratesProcesses
PID:588

C:\Windows\system32\cmd.exe
/c ipconfig /all
5⤵
PID:432

C:\Windows\system32\ipconfig.exe
ipconfig /all
6⤵
- Gathers network information
PID:1220

C:\Windows\system32\cmd.exe
/c net config workstation
5⤵
PID:2012

C:\Windows\system32\net.exe
net config workstation
6⤵
PID:1188

C:\Windows\system32\net1.exe
C:\Windows\system32\net1 config workstation
7⤵
PID:1700

C:\Windows\system32\cmd.exe
/c net view /all
5⤵
PID:792

C:\Windows\system32\net.exe
net view /all
6⤵
- Discovers systems in the same network
PID:1788

C:\Windows\system32\cmd.exe
/c net view /all /domain
5⤵
PID:1368

C:\Windows\system32\net.exe
net view /all /domain
6⤵
- Discovers systems in the same network
PID:892

C:\Windows\system32\cmd.exe
/c nltest /domain_trusts
5⤵
PID:1660

C:\Windows\system32\nltest.exe
nltest /domain_trusts
6⤵
PID:1980

C:\Windows\system32\cmd.exe
/c nltest /domain_trusts /all_trusts
5⤵
PID:1640

C:\Windows\system32\nltest.exe
nltest /domain_trusts /all_trusts
6⤵
PID:432

Network

MITRE ATT&CK Matrix ATT&CK v6

Initial Access

Execution

Command-Line Interface

1

T1059

Persistence

Privilege Escalation

Defense Evasion

Credential Access

Discovery

Remote System Discovery

1

T1018

System Information Discovery

1

T1082

Lateral Movement

Collection

Exfiltration

Command and Control

Impact

Replay Monitor

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Downloads

memory/432-82-0x0000000000000000-mapping.dmp

Download
memory/432-94-0x0000000000000000-mapping.dmp

Download
memory/588-79-0x0000000180000000-0x000000018000A000-memory.dmp

Filesize
40KB

Download
memory/588-78-0x0000000000000000-mapping.dmp

Download
memory/792-87-0x0000000000000000-mapping.dmp

Download
memory/892-90-0x0000000000000000-mapping.dmp

Download
memory/1032-53-0x000007FEFB651000-0x000007FEFB653000-memory.dmp

Filesize
8KB

Download
memory/1188-85-0x0000000000000000-mapping.dmp

Download
memory/1220-83-0x0000000000000000-mapping.dmp

Download
memory/1368-89-0x0000000000000000-mapping.dmp

Download
memory/1568-62-0x0000000000290000-0x0000000000291000-memory.dmp

Filesize
4KB

Download
memory/1568-63-0x0000000000161000-0x0000000000163000-memory.dmp

Filesize
8KB

Download
memory/1568-61-0x0000000000240000-0x0000000000285000-memory.dmp

Filesize
276KB

Download
memory/1568-59-0x0000000000200000-0x0000000000238000-memory.dmp

Filesize
224KB

Download
memory/1568-56-0x0000000010000000-0x0000000010004000-memory.dmp

Filesize
16KB

Download
memory/1568-55-0x0000000075B51000-0x0000000075B53000-memory.dmp

Filesize
8KB

Download
memory/1568-54-0x0000000000000000-mapping.dmp

Download
memory/1620-72-0x0000000000000000-mapping.dmp

Download
memory/1640-93-0x0000000000000000-mapping.dmp

Download
memory/1660-91-0x0000000000000000-mapping.dmp

Download
memory/1700-86-0x0000000000000000-mapping.dmp

Download
memory/1768-76-0x0000000000000000-mapping.dmp

Download
memory/1788-88-0x0000000000000000-mapping.dmp

Download
memory/1976-71-0x00000000000E0000-0x00000000000E1000-memory.dmp

Filesize
4KB

Download
memory/1976-67-0x0000000000000000-mapping.dmp

Download
memory/1980-92-0x0000000000000000-mapping.dmp

Download
memory/2012-84-0x0000000000000000-mapping.dmp

Download
memory/2016-65-0x0000000000060000-0x0000000000089000-memory.dmp

Filesize
164KB

Download
memory/2016-66-0x0000000000190000-0x0000000000191000-memory.dmp

Filesize
4KB

Download
memory/2016-64-0x0000000000000000-mapping.dmp

Download

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