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

Language

xlm4.0

Source

URLs

xlm40.dropper

https://deluciaspizza.com/netmouser.dll

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 (x86)\Microsoft Office\Office14\EXCEL.EXE is not expected to spawn this process	1236	1688	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
behavioral1/memory/1236-67-0x00000000020A0000-0x00000000022C6000-memory.dmp	templ_dll

Downloads MZ/PE file
Loads dropped DLL 1 IoCs

Processes:

rundll32.exe

pid process

1236 rundll32.exe
Program crash 1 IoCs

Processes:

WerFault.exe

pid pid_target process target process

1868 1236 WerFault.exe rundll32.exe
Enumerates system info in registry 2 TTPs 1 IoCs

Query Registry
T1012

System Information Discovery
T1082

Processes:

EXCEL.EXE

description ioc process

Key opened \REGISTRY\MACHINE\Hardware\Description\System\FloatingPointProcessor EXCEL.EXE

pid	process
1236	rundll32.exe

pid	pid_target	process	target process
1868	1236	WerFault.exe	rundll32.exe

description	ioc	process
Key opened	\REGISTRY\MACHINE\Hardware\Description\System\FloatingPointProcessor	EXCEL.EXE

Modifies Internet Explorer settings 1 TTPs 9 IoCs

adware spyware

Modify Registry

T1112

Processes:

EXCEL.EXE

description	ioc	process
Key created	\REGISTRY\USER\S-1-5-21-2513283230-931923277-594887482-1000\Software\Microsoft\Internet Explorer\MenuExt	EXCEL.EXE
Key created	\REGISTRY\USER\S-1-5-21-2513283230-931923277-594887482-1000\Software\Microsoft\Internet Explorer\MenuExt\Se&nd to OneNote	EXCEL.EXE
Key created	\REGISTRY\USER\S-1-5-21-2513283230-931923277-594887482-1000\Software\Microsoft\Internet Explorer\MenuExt\E&xport to Microsoft Excel	EXCEL.EXE
Key created	\REGISTRY\USER\S-1-5-21-2513283230-931923277-594887482-1000\Software\Microsoft\Internet Explorer\Toolbar	EXCEL.EXE
Set value (str)	\REGISTRY\USER\S-1-5-21-2513283230-931923277-594887482-1000\Software\Microsoft\Internet Explorer\Toolbar\ShowDiscussionButton = "Yes"	EXCEL.EXE
Set value (str)	\REGISTRY\USER\S-1-5-21-2513283230-931923277-594887482-1000\Software\Microsoft\Internet Explorer\MenuExt\Se&nd to OneNote\ = "res://C:\\PROGRA~2\\MICROS~1\\Office14\\ONBttnIE.dll/105"	EXCEL.EXE
Set value (int)	\REGISTRY\USER\S-1-5-21-2513283230-931923277-594887482-1000\Software\Microsoft\Internet Explorer\MenuExt\Se&nd to OneNote\Contexts = "55"	EXCEL.EXE
Set value (str)	\REGISTRY\USER\S-1-5-21-2513283230-931923277-594887482-1000\Software\Microsoft\Internet Explorer\MenuExt\E&xport to Microsoft Excel\ = "res://C:\\PROGRA~2\\MICROS~1\\Office14\\EXCEL.EXE/3000"	EXCEL.EXE
Set value (int)	\REGISTRY\USER\S-1-5-21-2513283230-931923277-594887482-1000\Software\Microsoft\Internet Explorer\MenuExt\E&xport to Microsoft Excel\Contexts = "1"	EXCEL.EXE

Suspicious behavior: AddClipboardFormatListener 1 IoCs

Processes:

EXCEL.EXE

pid process

1688 EXCEL.EXE
Suspicious behavior: EnumeratesProcesses 5 IoCs

Processes:

WerFault.exe

pid process

1868 WerFault.exe
1868 WerFault.exe
1868 WerFault.exe
1868 WerFault.exe
1868 WerFault.exe
Suspicious use of AdjustPrivilegeToken 2 IoCs

Processes:

WerFault.exewermgr.exe

description pid process

Token: SeDebugPrivilege 1868 WerFault.exe
Token: SeDebugPrivilege 1836 wermgr.exe
Suspicious use of SetWindowsHookEx 5 IoCs

Processes:

EXCEL.EXE

pid process

1688 EXCEL.EXE
1688 EXCEL.EXE
1688 EXCEL.EXE
1688 EXCEL.EXE
1688 EXCEL.EXE

pid	process
1688	EXCEL.EXE

pid	process
1868	WerFault.exe
1868	WerFault.exe
1868	WerFault.exe
1868	WerFault.exe
1868	WerFault.exe

description	pid	process
Token: SeDebugPrivilege	1868	WerFault.exe
Token: SeDebugPrivilege	1836	wermgr.exe

pid	process
1688	EXCEL.EXE
1688	EXCEL.EXE
1688	EXCEL.EXE
1688	EXCEL.EXE
1688	EXCEL.EXE

Suspicious use of WriteProcessMemory 17 IoCs

Processes:

EXCEL.EXErundll32.exe

description	pid	process	target process
PID 1688 wrote to memory of 1236	1688	EXCEL.EXE	rundll32.exe
PID 1688 wrote to memory of 1236	1688	EXCEL.EXE	rundll32.exe
PID 1688 wrote to memory of 1236	1688	EXCEL.EXE	rundll32.exe
PID 1688 wrote to memory of 1236	1688	EXCEL.EXE	rundll32.exe
PID 1688 wrote to memory of 1236	1688	EXCEL.EXE	rundll32.exe
PID 1688 wrote to memory of 1236	1688	EXCEL.EXE	rundll32.exe
PID 1688 wrote to memory of 1236	1688	EXCEL.EXE	rundll32.exe
PID 1236 wrote to memory of 1836	1236	rundll32.exe	wermgr.exe
PID 1236 wrote to memory of 1836	1236	rundll32.exe	wermgr.exe
PID 1236 wrote to memory of 1836	1236	rundll32.exe	wermgr.exe
PID 1236 wrote to memory of 1836	1236	rundll32.exe	wermgr.exe
PID 1236 wrote to memory of 1836	1236	rundll32.exe	wermgr.exe
PID 1236 wrote to memory of 1836	1236	rundll32.exe	wermgr.exe
PID 1236 wrote to memory of 1868	1236	rundll32.exe	WerFault.exe
PID 1236 wrote to memory of 1868	1236	rundll32.exe	WerFault.exe
PID 1236 wrote to memory of 1868	1236	rundll32.exe	WerFault.exe
PID 1236 wrote to memory of 1868	1236	rundll32.exe	WerFault.exe

C:\Program Files (x86)\Microsoft Office\Office14\EXCEL.EXE
"C:\Program Files (x86)\Microsoft Office\Office14\EXCEL.EXE" /dde C:\Users\Admin\AppData\Local\Temp\Documents_3175961_805740587.xls
1⤵
- Enumerates system info in registry
- Modifies Internet Explorer settings
- Suspicious behavior: AddClipboardFormatListener
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:1688

C:\Windows\SysWOW64\rundll32.exe
rundll32 ..\fndskfnds.dfm,StartW
2⤵
- Process spawned unexpected child process
- Loads dropped DLL
- Suspicious use of WriteProcessMemory
PID:1236

C:\Windows\system32\wermgr.exe
C:\Windows\system32\wermgr.exe
3⤵
- Suspicious use of AdjustPrivilegeToken
PID:1836

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -u -p 1236 -s 232
3⤵
- Program crash
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:1868

Network

MITRE ATT&CK Matrix ATT&CK v6

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Modify Registry

1

T1112

Credential Access

Discovery

Query Registry

1

T1012

System Information Discovery

1

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/1236-69-0x0000000000280000-0x00000000002C3000-memory.dmp

Filesize
268KB

Download
memory/1236-63-0x0000000000000000-mapping.dmp

Download
memory/1236-64-0x0000000075011000-0x0000000075013000-memory.dmp

Filesize
8KB

Download
memory/1236-67-0x00000000020A0000-0x00000000022C6000-memory.dmp

Filesize
2.1MB

Download
memory/1236-70-0x00000000002D0000-0x00000000002E1000-memory.dmp

Filesize
68KB

Download
memory/1236-71-0x0000000010001000-0x0000000010003000-memory.dmp

Filesize
8KB

Download
memory/1688-61-0x0000000071361000-0x0000000071363000-memory.dmp

Filesize
8KB

Download
memory/1688-62-0x000000005FFF0000-0x0000000060000000-memory.dmp

Filesize
64KB

Download
memory/1688-60-0x000000002F461000-0x000000002F464000-memory.dmp

Filesize
12KB

Download
memory/1836-68-0x0000000000000000-mapping.dmp

Download
memory/1836-73-0x0000000000110000-0x0000000000111000-memory.dmp

Filesize
4KB

Download
memory/1836-72-0x0000000000060000-0x0000000000088000-memory.dmp

Filesize
160KB

Download
memory/1868-74-0x0000000000000000-mapping.dmp

Download
memory/1868-75-0x00000000004C0000-0x00000000004C1000-memory.dmp

Filesize
4KB

Download

Analysis

Sharing

General

Malware Config

Extracted

Extracted

Signatures

Processes

Network

MITRE ATT&CK Matrix ATT&CK v6

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Downloads