trickbot | cbda93f5a1392e7c2ece107674d6ebc794eb6600d3cab6516157e90107ee4312

General

Target

Documents_3175961_805740587.xls
Size

280KB
MD5

cf67b16c95b08485a7d768da230e4342
SHA1

1ef4a817d8899ae66a09c2fac7f0549219ed32dd
SHA256

cbda93f5a1392e7c2ece107674d6ebc794eb6600d3cab6516157e90107ee4312
SHA512

df3f4726a148d4f100ec5043cbe34883e7559a3069c27a09541da785fc622990d9524da08323b7002d8fbce0a8cc6608b8729e35b475f285f84977516fcde1fe

Score

10^/10

trickbot net9 banker trojan

Malware Config

Extracted

Family

trickbot

Version

2000029

Botnet

net9

C2

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:pwgrabb
Name:pwgrabc

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	2124	3176	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/804-183-0x0000000000BB0000-0x0000000000DD6000-memory.dmp	templ_dll

Loads dropped DLL 1 IoCs

Processes:

rundll32.exe

pid process

804 rundll32.exe
Program crash 1 IoCs

Processes:

WerFault.exe

pid pid_target process target process

3852 804 WerFault.exe rundll32.exe

pid	process
804	rundll32.exe

pid	pid_target	process	target process
3852	804	WerFault.exe	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 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

3176 EXCEL.EXE

Suspicious behavior: EnumeratesProcesses 15 IoCs

Processes:

WerFault.exe

pid	process
3852	WerFault.exe
3852	WerFault.exe
3852	WerFault.exe
3852	WerFault.exe
3852	WerFault.exe
3852	WerFault.exe
3852	WerFault.exe
3852	WerFault.exe
3852	WerFault.exe
3852	WerFault.exe
3852	WerFault.exe
3852	WerFault.exe
3852	WerFault.exe
3852	WerFault.exe
3852	WerFault.exe

Suspicious use of AdjustPrivilegeToken 4 IoCs

Processes:

WerFault.exewermgr.exe

description	pid	process
Token: SeRestorePrivilege	3852	WerFault.exe
Token: SeBackupPrivilege	3852	WerFault.exe
Token: SeDebugPrivilege	3852	WerFault.exe
Token: SeDebugPrivilege	3960	wermgr.exe

Suspicious use of SetWindowsHookEx 14 IoCs

Processes:

EXCEL.EXE

pid	process
3176	EXCEL.EXE
3176	EXCEL.EXE
3176	EXCEL.EXE
3176	EXCEL.EXE
3176	EXCEL.EXE
3176	EXCEL.EXE
3176	EXCEL.EXE
3176	EXCEL.EXE
3176	EXCEL.EXE
3176	EXCEL.EXE
3176	EXCEL.EXE
3176	EXCEL.EXE
3176	EXCEL.EXE
3176	EXCEL.EXE

Suspicious use of WriteProcessMemory 9 IoCs

Processes:

EXCEL.EXErundll32.exerundll32.exe

description	pid	process	target process
PID 3176 wrote to memory of 2124	3176	EXCEL.EXE	rundll32.exe
PID 3176 wrote to memory of 2124	3176	EXCEL.EXE	rundll32.exe
PID 2124 wrote to memory of 804	2124	rundll32.exe	rundll32.exe
PID 2124 wrote to memory of 804	2124	rundll32.exe	rundll32.exe
PID 2124 wrote to memory of 804	2124	rundll32.exe	rundll32.exe
PID 804 wrote to memory of 3960	804	rundll32.exe	wermgr.exe
PID 804 wrote to memory of 3960	804	rundll32.exe	wermgr.exe
PID 804 wrote to memory of 3960	804	rundll32.exe	wermgr.exe
PID 804 wrote to memory of 3960	804	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\Documents_3175961_805740587.xls"
1⤵
- Checks processor information in registry
- Enumerates system info in registry
- Suspicious behavior: AddClipboardFormatListener
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:3176

C:\Windows\SYSTEM32\rundll32.exe
rundll32 ..\fndskfnds.dfm,StartW
2⤵
- Process spawned unexpected child process
- Suspicious use of WriteProcessMemory
PID:2124

C:\Windows\SysWOW64\rundll32.exe
rundll32 ..\fndskfnds.dfm,StartW
3⤵
- Loads dropped DLL
- Suspicious use of WriteProcessMemory
PID:804

C:\Windows\system32\wermgr.exe
C:\Windows\system32\wermgr.exe
4⤵
- Suspicious use of AdjustPrivilegeToken
PID:3960

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -u -p 804 -s 664
4⤵
- Program crash
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:3852

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\fndskfnds.dfm
MD5
eb70b6c24c0466954169882dbe5729a4

SHA1
b81bcd8273854efb7d7b3fb5b982d75051a5d9a6

SHA256
c6f319a3eda16bef437421920e2945ab4b3101cb27ad2f291c3dacdf84bb2240

SHA512
e90c5c958024734f089205e43f2c9a842e4fc68b8a7fcc7fc10754511a8b6bb724eab563bdd5141f9a1be634a3194f5b3abd14f97cdd0735c42f501d8f63e59f

Download Submit
\Users\Admin\fndskfnds.dfm
MD5
eb70b6c24c0466954169882dbe5729a4

SHA1
b81bcd8273854efb7d7b3fb5b982d75051a5d9a6

SHA256
c6f319a3eda16bef437421920e2945ab4b3101cb27ad2f291c3dacdf84bb2240

SHA512
e90c5c958024734f089205e43f2c9a842e4fc68b8a7fcc7fc10754511a8b6bb724eab563bdd5141f9a1be634a3194f5b3abd14f97cdd0735c42f501d8f63e59f

Download Submit
memory/804-186-0x00000000001F0000-0x00000000001F1000-memory.dmp

Filesize
4KB

Download
memory/804-187-0x0000000010001000-0x0000000010003000-memory.dmp

Filesize
8KB

Download
memory/804-185-0x0000000000DE0000-0x0000000000E23000-memory.dmp

Filesize
268KB

Download
memory/804-183-0x0000000000BB0000-0x0000000000DD6000-memory.dmp

Filesize
2.1MB

Download
memory/804-181-0x0000000000000000-mapping.dmp

Download
memory/2124-179-0x0000000000000000-mapping.dmp

Download
memory/3176-114-0x00007FF6062B0000-0x00007FF609866000-memory.dmp

Filesize
53.7MB

Download
memory/3176-123-0x00007FFD54280000-0x00007FFD56175000-memory.dmp

Filesize
31.0MB

Download
memory/3176-121-0x00007FFD56180000-0x00007FFD5726E000-memory.dmp

Filesize
16.9MB

Download
memory/3176-122-0x00007FFD35790000-0x00007FFD357A0000-memory.dmp

Filesize
64KB

Download
memory/3176-118-0x00007FFD35790000-0x00007FFD357A0000-memory.dmp

Filesize
64KB

Download
memory/3176-117-0x00007FFD35790000-0x00007FFD357A0000-memory.dmp

Filesize
64KB

Download
memory/3176-116-0x00007FFD35790000-0x00007FFD357A0000-memory.dmp

Filesize
64KB

Download
memory/3176-115-0x00007FFD35790000-0x00007FFD357A0000-memory.dmp

Filesize
64KB

Download
memory/3960-184-0x0000000000000000-mapping.dmp

Download
memory/3960-188-0x000001BE0FE10000-0x000001BE0FE38000-memory.dmp

Filesize
160KB

Download
memory/3960-189-0x000001BE0FE50000-0x000001BE0FE51000-memory.dmp

Filesize
4KB

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Matrix ATT&CK v6

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Downloads