trickbot | d70803dc31e45825416b5391969ab9042baa17c01e080382a4340cef54090c84

General

Target

Attach_589256204_214472970.xls
Size

141KB
MD5

fa7354227422a339d34d662839e0aee2
SHA1

09c5bb8db08c53f00745262ba414fa093d6dd7f9
SHA256

d70803dc31e45825416b5391969ab9042baa17c01e080382a4340cef54090c84
SHA512

48db1f5701e12f2e2cebc6aa852673d1a93598ed77c93dc6251270824fb11ac958315c8f3443edf2329c096b0149cdce48d94c30556113d9606df8856f5e8c43

Score

10^/10

trickbot rob16 banker trojan

Malware Config

Extracted

Family

trickbot

Version

2000026

Botnet

rob16

C2

154.79.252.132:449

179.191.108.58:449

200.6.169.124:443

103.76.20.226:443

80.78.77.116:449

80.78.75.246:443

45.234.248.66:449

187.190.116.59:443

185.234.72.84:443

36.94.202.131:443

103.91.244.102:449

168.232.188.88:449

103.73.101.98:449

173.81.4.147:449

202.142.151.190:449

118.67.216.238:449

108.170.20.72:443

85.159.214.61:443

36.92.93.5:449

79.122.166.236:449

Attributes

autorun
Name:pwgrab

ecc_pubkey.base64

Signatures

Process spawned unexpected child process 1 IoCs

This typically indicates the parent process was compromised via an exploit or macro.

Processes:

rundll32.exe

description	pid	pid_target	process	target process
Parent C:\Program Files\Microsoft Office\Root\Office16\EXCEL.EXE is not expected to spawn this process	2092	4772	rundll32.exe	EXCEL.EXE

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/2068-11-0x0000000002E00000-0x0000000002E37000-memory.dmp	templ_dll

Loads dropped DLL 1 IoCs

Processes:

rundll32.exe

pid process

2068 rundll32.exe

pid	process
2068	rundll32.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 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
Key opened	\REGISTRY\MACHINE\Hardware\Description\System\CentralProcessor\0	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

4772 EXCEL.EXE
Suspicious use of AdjustPrivilegeToken 1 IoCs

Processes:

wermgr.exe

description pid process

Token: SeDebugPrivilege 1728 wermgr.exe
Suspicious use of FindShellTrayWindow 2 IoCs

Processes:

EXCEL.EXE

pid process

4772 EXCEL.EXE
4772 EXCEL.EXE

description	pid	process
Token: SeDebugPrivilege	1728	wermgr.exe

Suspicious use of SetWindowsHookEx 12 IoCs

Processes:

EXCEL.EXE

pid	process
4772	EXCEL.EXE
4772	EXCEL.EXE
4772	EXCEL.EXE
4772	EXCEL.EXE
4772	EXCEL.EXE
4772	EXCEL.EXE
4772	EXCEL.EXE
4772	EXCEL.EXE
4772	EXCEL.EXE
4772	EXCEL.EXE
4772	EXCEL.EXE
4772	EXCEL.EXE

Suspicious use of WriteProcessMemory 9 IoCs

Processes:

EXCEL.EXErundll32.exerundll32.exe

description	pid	process	target process
PID 4772 wrote to memory of 2092	4772	EXCEL.EXE	rundll32.exe
PID 4772 wrote to memory of 2092	4772	EXCEL.EXE	rundll32.exe
PID 2092 wrote to memory of 2068	2092	rundll32.exe	rundll32.exe
PID 2092 wrote to memory of 2068	2092	rundll32.exe	rundll32.exe
PID 2092 wrote to memory of 2068	2092	rundll32.exe	rundll32.exe
PID 2068 wrote to memory of 1728	2068	rundll32.exe	wermgr.exe
PID 2068 wrote to memory of 1728	2068	rundll32.exe	wermgr.exe
PID 2068 wrote to memory of 1728	2068	rundll32.exe	wermgr.exe
PID 2068 wrote to memory of 1728	2068	rundll32.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\Attach_589256204_214472970.xls"
1⤵
- Checks processor information in registry
- Enumerates system info in registry
- Suspicious behavior: AddClipboardFormatListener
- Suspicious use of FindShellTrayWindow
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:4772

C:\Windows\SYSTEM32\rundll32.exe
rundll32 ..\TDCS.OKDFR,DllRegisterServer1
2⤵
- Process spawned unexpected child process
- Suspicious use of WriteProcessMemory
PID:2092

C:\Windows\SysWOW64\rundll32.exe
rundll32 ..\TDCS.OKDFR,DllRegisterServer1
3⤵
- Loads dropped DLL
- Suspicious use of WriteProcessMemory
PID:2068

C:\Windows\system32\wermgr.exe
C:\Windows\system32\wermgr.exe
4⤵
- Suspicious use of AdjustPrivilegeToken
PID:1728

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

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Downloads

C:\Users\Admin\TDCS.OKDFR
MD5
884dab96c679194fc5140322d5ce9e9d

SHA1
e7277a259a6f05bb74c14324f97b9513c8d4d9e5

SHA256
5b6661b43c17ad12172c4327aa4b79be8bcf1c421cb08d6bff19f7e26282e9d8

SHA512
b3c18425d6c6712f7e7c31909af128628aa95af55f1de7632399276b630e8be9448fb10d5c29e77ac83522bf130e34cd1a3a7ad5875876a60e5a3069e7340b30

Download Submit
\Users\Admin\TDCS.OKDFR
MD5
884dab96c679194fc5140322d5ce9e9d

SHA1
e7277a259a6f05bb74c14324f97b9513c8d4d9e5

SHA256
5b6661b43c17ad12172c4327aa4b79be8bcf1c421cb08d6bff19f7e26282e9d8

SHA512
b3c18425d6c6712f7e7c31909af128628aa95af55f1de7632399276b630e8be9448fb10d5c29e77ac83522bf130e34cd1a3a7ad5875876a60e5a3069e7340b30

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memory/1728-16-0x0000013A1D2D0000-0x0000013A1D2F8000-memory.dmp

Filesize
160KB

Download
memory/1728-17-0x0000013A1D3E0000-0x0000013A1D3E1000-memory.dmp

Filesize
4KB

Download
memory/1728-12-0x0000000000000000-mapping.dmp

Download
memory/2068-13-0x00000000030D0000-0x0000000003111000-memory.dmp

Filesize
260KB

Download
memory/2068-9-0x0000000000000000-mapping.dmp

Download
memory/2068-11-0x0000000002E00000-0x0000000002E37000-memory.dmp

Filesize
220KB

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memory/2068-14-0x00000000047E0000-0x00000000047E1000-memory.dmp

Filesize
4KB

Download
memory/2068-15-0x0000000010001000-0x0000000010003000-memory.dmp

Filesize
8KB

Download
memory/2092-7-0x0000000000000000-mapping.dmp

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memory/4772-6-0x00007FFF21F30000-0x00007FFF21F40000-memory.dmp

Filesize
64KB

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memory/4772-5-0x00007FFF46210000-0x00007FFF46847000-memory.dmp

Filesize
6.2MB

Download
memory/4772-2-0x00007FFF21F30000-0x00007FFF21F40000-memory.dmp

Filesize
64KB

Download
memory/4772-4-0x00007FFF21F30000-0x00007FFF21F40000-memory.dmp

Filesize
64KB

Download
memory/4772-3-0x00007FFF21F30000-0x00007FFF21F40000-memory.dmp

Filesize
64KB

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Matrix ATT&CK v6

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Downloads