trickbot | a612370e45b7c1121a2ab805c05e67722070d4a9d553d4f1dfb1ddb6f1073567

General

Target

1_4_3.xls
Size

270KB
MD5

890522e2846bc9ae0ee808db164ccdb5
SHA1

36b93a892a6f57abec6c40268ff9101ac45a0ca8
SHA256

a612370e45b7c1121a2ab805c05e67722070d4a9d553d4f1dfb1ddb6f1073567
SHA512

0d1241bf55d42513d11fdbff65a427c47a85db18185dcee3bbb9a1b9abf6c9cb4763d92812550cd59817e62744fd0ec955067a4a15925f0293ad36176d6c385d

Score

10^/10

trickbot yas31 banker dave trojan

Malware Config

Extracted

Family

trickbot

Version

1000508

Botnet

yas31

C2

164.132.255.19:443

188.119.113.114:443

176.119.159.147:443

51.254.164.243:443

178.156.202.251:443

185.234.72.24:443

194.5.250.52:443

217.12.209.244:443

185.99.2.123:443

185.198.57.75:443

93.189.42.81:443

148.251.185.186:443

79.137.101.2:443

51.89.115.121:443

91.200.100.84:443

194.5.250.69:443

185.14.30.45:443

185.99.2.142:443

107.175.133.162:443

5.196.247.14:443

Attributes

autorun
Name:pwgrab

ecc_pubkey.base64

Signatures

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

Dave packer 1 IoCs

Detects executable packed with a packer named 'Dave' from the community, due to a string at the end of it.

dave

Processes:

resource	yara_rule
behavioral2/memory/4060-6-0x00000000005E0000-0x0000000000612000-memory.dmp	dave

Executes dropped EXE 1 IoCs

Processes:

zvkFulz.exe

pid process

4060 zvkFulz.exe

pid	process
4060	zvkFulz.exe

Checks processor information in registry 2 TTPs 3 IoCs

Processor information is often read in order to detect sandboxing environments.

Query Registry

T1012

System Information Discovery

T1082

Processes:

EXCEL.EXE

description	ioc	process
Key opened	\REGISTRY\MACHINE\Hardware\Description\System\CentralProcessor\0	EXCEL.EXE
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0\~MHz	EXCEL.EXE
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0\ProcessorNameString	EXCEL.EXE

Enumerates system info in registry 2 TTPs 3 IoCs

Query Registry

T1012

System Information Discovery

T1082

Processes:

EXCEL.EXE

description	ioc	process
Key opened	\REGISTRY\MACHINE\Hardware\Description\System\BIOS	EXCEL.EXE
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\BIOS\SystemFamily	EXCEL.EXE
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\BIOS\SystemSKU	EXCEL.EXE

Suspicious behavior: AddClipboardFormatListener 1 IoCs

Processes:

EXCEL.EXE

pid process

3992 EXCEL.EXE
Suspicious behavior: EnumeratesProcesses 2 IoCs

Processes:

zvkFulz.exe

pid process

4060 zvkFulz.exe
4060 zvkFulz.exe
Suspicious use of AdjustPrivilegeToken 2 IoCs

Processes:

wermgr.exe

description pid process

Token: SeDebugPrivilege 1564 wermgr.exe
Token: SeDebugPrivilege 1564 wermgr.exe

pid	process
4060	zvkFulz.exe
4060	zvkFulz.exe

description	pid	process
Token: SeDebugPrivilege	1564	wermgr.exe
Token: SeDebugPrivilege	1564	wermgr.exe

Suspicious use of SetWindowsHookEx 12 IoCs

Processes:

EXCEL.EXE

pid	process
3992	EXCEL.EXE
3992	EXCEL.EXE
3992	EXCEL.EXE
3992	EXCEL.EXE
3992	EXCEL.EXE
3992	EXCEL.EXE
3992	EXCEL.EXE
3992	EXCEL.EXE
3992	EXCEL.EXE
3992	EXCEL.EXE
3992	EXCEL.EXE
3992	EXCEL.EXE

Suspicious use of WriteProcessMemory 7 IoCs

Processes:

EXCEL.EXEzvkFulz.exe

description	pid	process	target process
PID 3992 wrote to memory of 4060	3992	EXCEL.EXE	zvkFulz.exe
PID 3992 wrote to memory of 4060	3992	EXCEL.EXE	zvkFulz.exe
PID 3992 wrote to memory of 4060	3992	EXCEL.EXE	zvkFulz.exe
PID 4060 wrote to memory of 1564	4060	zvkFulz.exe	wermgr.exe
PID 4060 wrote to memory of 1564	4060	zvkFulz.exe	wermgr.exe
PID 4060 wrote to memory of 1564	4060	zvkFulz.exe	wermgr.exe
PID 4060 wrote to memory of 1564	4060	zvkFulz.exe	wermgr.exe

C:\Program Files\Microsoft Office\Root\Office16\EXCEL.EXE
"C:\Program Files\Microsoft Office\Root\Office16\EXCEL.EXE" "C:\Users\Admin\AppData\Local\Temp\1_4_3.xls"
1⤵
- Checks processor information in registry
- Enumerates system info in registry
- Suspicious behavior: AddClipboardFormatListener
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:3992

C:\ProgramData\zvkFulz.exe
"C:\ProgramData\zvkFulz.exe"
2⤵
- Executes dropped EXE
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of WriteProcessMemory
PID:4060

C:\Windows\system32\wermgr.exe
C:\Windows\system32\wermgr.exe
3⤵
- Suspicious use of AdjustPrivilegeToken
PID:1564

Network

MITRE ATT&CK Matrix ATT&CK v6

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Credential Access

Discovery

Query Registry

2

T1012

System Information Discovery

2

T1082

Lateral Movement

Collection

Exfiltration

Command and Control

Impact

Replay Monitor

Loading Replay Monitor...

Downloads

C:\ProgramData\zvkFulz.exe
MD5
bb26e8f3b11e530bd1312aa63fa7e629

SHA1
76997a0c737d54b68ecc8695d788b4324acd79f4

SHA256
1e067d89007672c1ed1ed2a88519393ef3a6c8b3405205d520d93374c1d73dd4

SHA512
160be1ad3b24b49a39326de28b0983233ca139a17a3bea7263787e1b90c24e227a99b6890b98d8037542430621a6e786f81c71864c75a3aad25d09fcc85192d8

Download Submit
C:\ProgramData\zvkFulz.exe
MD5
bb26e8f3b11e530bd1312aa63fa7e629

SHA1
76997a0c737d54b68ecc8695d788b4324acd79f4

SHA256
1e067d89007672c1ed1ed2a88519393ef3a6c8b3405205d520d93374c1d73dd4

SHA512
160be1ad3b24b49a39326de28b0983233ca139a17a3bea7263787e1b90c24e227a99b6890b98d8037542430621a6e786f81c71864c75a3aad25d09fcc85192d8

Download Submit
memory/1564-8-0x0000000000000000-mapping.dmp

Download
memory/3992-2-0x00007FFC33A00000-0x00007FFC34037000-memory.dmp

Filesize
6.2MB

Download
memory/4060-3-0x0000000000000000-mapping.dmp

Download
memory/4060-6-0x00000000005E0000-0x0000000000612000-memory.dmp

Filesize
200KB

Download
memory/4060-7-0x0000000000780000-0x00000000007AF000-memory.dmp

Filesize
188KB

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Matrix ATT&CK v6

Replay Monitor

Loading Replay Monitor...

Downloads