trickbot | 4135b0a92b446582588230a68d2bafe64196e41284a19c04de27be091513fe03

General

Target

4135b0a92b446582588230a68d2bafe64196e41284a19c04de27be091513fe03.xls
Size

62KB
MD5

39eb52a7ff92ab88d45f9645f12c42e7
SHA1

fa9c3ef6c474b90c67149a3be4bf6916fd48fb31
SHA256

4135b0a92b446582588230a68d2bafe64196e41284a19c04de27be091513fe03
SHA512

ed752b7f74863a962bd52753a6b4fc3d9f5887690a0ffeb05c5c76e10fb0433374ba43e084863cefaf52bc39ea0e71e2ebb4bd669bab9d764c996313f091fa47

Score

10^/10

trickbot rob12 banker trojan

Malware Config

Extracted

Family

trickbot

Version

100004

Botnet

rob12

C2

103.250.70.163:443

181.196.24.6:443

103.87.25.220:443

2.179.73.140:443

118.69.133.4:443

202.62.47.109:443

14.102.109.190:443

103.78.81.5:443

116.0.54.227:443

36.94.193.167:443

194.5.179.82:443

213.235.183.78:443

103.52.47.20:449

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 (x86)\Microsoft Office\Office14\EXCEL.EXE is not expected to spawn this process	1120	1668	rundll32.exe	EXCEL.EXE

Trickbot
Developed in 2016, TrickBot is one of the more recent banking Trojans.
trojan banker trickbot
Loads dropped DLL 4 IoCs

Processes:

rundll32.exe

pid process

1120 rundll32.exe
1120 rundll32.exe
1120 rundll32.exe
1120 rundll32.exe
Drops file in Windows directory 1 IoCs

Processes:

rundll32.exe

description ioc process

File opened for modification C:\Windows\notepad.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
1120	rundll32.exe
1120	rundll32.exe
1120	rundll32.exe
1120	rundll32.exe

description	ioc	process
File opened for modification	C:\Windows\notepad.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
Set value (int)	\REGISTRY\USER\S-1-5-21-293278959-2699126792-324916226-1000\Software\Microsoft\Internet Explorer\MenuExt\E&xport to Microsoft Excel\Contexts = "1"	EXCEL.EXE
Key created	\REGISTRY\USER\S-1-5-21-293278959-2699126792-324916226-1000\Software\Microsoft\Internet Explorer\Toolbar	EXCEL.EXE
Key created	\REGISTRY\USER\S-1-5-21-293278959-2699126792-324916226-1000\Software\Microsoft\Internet Explorer\MenuExt	EXCEL.EXE
Key created	\REGISTRY\USER\S-1-5-21-293278959-2699126792-324916226-1000\Software\Microsoft\Internet Explorer\MenuExt\Se&nd to OneNote	EXCEL.EXE
Set value (str)	\REGISTRY\USER\S-1-5-21-293278959-2699126792-324916226-1000\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-1-5-21-293278959-2699126792-324916226-1000\Software\Microsoft\Internet Explorer\MenuExt\Se&nd to OneNote\Contexts = "55"	EXCEL.EXE
Key created	\REGISTRY\USER\S-1-5-21-293278959-2699126792-324916226-1000\Software\Microsoft\Internet Explorer\MenuExt\E&xport to Microsoft Excel	EXCEL.EXE
Set value (str)	\REGISTRY\USER\S-1-5-21-293278959-2699126792-324916226-1000\Software\Microsoft\Internet Explorer\MenuExt\E&xport to Microsoft Excel\ = "res://C:\\PROGRA~2\\MICROS~1\\Office14\\EXCEL.EXE/3000"	EXCEL.EXE
Set value (str)	\REGISTRY\USER\S-1-5-21-293278959-2699126792-324916226-1000\Software\Microsoft\Internet Explorer\Toolbar\ShowDiscussionButton = "Yes"	EXCEL.EXE

Suspicious behavior: AddClipboardFormatListener 1 IoCs

Processes:

EXCEL.EXE

pid process

1668 EXCEL.EXE
Suspicious use of AdjustPrivilegeToken 1 IoCs

Processes:

wermgr.exe

description pid process

Token: SeDebugPrivilege 1344 wermgr.exe
Suspicious use of SetWindowsHookEx 5 IoCs

Processes:

EXCEL.EXE

pid process

1668 EXCEL.EXE
1668 EXCEL.EXE
1668 EXCEL.EXE
1668 EXCEL.EXE
1668 EXCEL.EXE

pid	process
1668	EXCEL.EXE

description	pid	process
Token: SeDebugPrivilege	1344	wermgr.exe

pid	process
1668	EXCEL.EXE
1668	EXCEL.EXE
1668	EXCEL.EXE
1668	EXCEL.EXE
1668	EXCEL.EXE

Suspicious use of WriteProcessMemory 13 IoCs

Processes:

EXCEL.EXErundll32.exe

description	pid	process	target process
PID 1668 wrote to memory of 1120	1668	EXCEL.EXE	rundll32.exe
PID 1668 wrote to memory of 1120	1668	EXCEL.EXE	rundll32.exe
PID 1668 wrote to memory of 1120	1668	EXCEL.EXE	rundll32.exe
PID 1668 wrote to memory of 1120	1668	EXCEL.EXE	rundll32.exe
PID 1668 wrote to memory of 1120	1668	EXCEL.EXE	rundll32.exe
PID 1668 wrote to memory of 1120	1668	EXCEL.EXE	rundll32.exe
PID 1668 wrote to memory of 1120	1668	EXCEL.EXE	rundll32.exe
PID 1120 wrote to memory of 1344	1120	rundll32.exe	wermgr.exe
PID 1120 wrote to memory of 1344	1120	rundll32.exe	wermgr.exe
PID 1120 wrote to memory of 1344	1120	rundll32.exe	wermgr.exe
PID 1120 wrote to memory of 1344	1120	rundll32.exe	wermgr.exe
PID 1120 wrote to memory of 1344	1120	rundll32.exe	wermgr.exe
PID 1120 wrote to memory of 1344	1120	rundll32.exe	wermgr.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\4135b0a92b446582588230a68d2bafe64196e41284a19c04de27be091513fe03.xls
1⤵
- Enumerates system info in registry
- Modifies Internet Explorer settings
- Suspicious behavior: AddClipboardFormatListener
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:1668

C:\Windows\SysWOW64\rundll32.exe
rundll32 C:\LotWin\LotWin2\Horsew.dll,DllRegisterServer
2⤵
- Process spawned unexpected child process
- Loads dropped DLL
- Drops file in Windows directory
- Suspicious use of WriteProcessMemory
PID:1120

C:\Windows\system32\wermgr.exe
C:\Windows\system32\wermgr.exe
3⤵
- Suspicious use of AdjustPrivilegeToken
PID:1344

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

Replay Monitor

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Downloads

C:\LotWin\LotWin2\Horsew.dll
MD5
6ba50bda02b9365981bccea9125e395a

SHA1
d636d8c87aa5fcd68b2cddaac5838a68812287f8

SHA256
6c8666b3b262f09600f20d751bd418f0e0d3a232e49b6c0cec75abb6f7174854

SHA512
af72b882a79476d008c912838f94ad5de2026235107f6baf842c86a88f8dd07ee67ccd475707090e556c2460f71cb172d7728babb41b1a048536a0716b485da0

Download Submit
\LotWin\LotWin2\Horsew.dll
MD5
6ba50bda02b9365981bccea9125e395a

SHA1
d636d8c87aa5fcd68b2cddaac5838a68812287f8

SHA256
6c8666b3b262f09600f20d751bd418f0e0d3a232e49b6c0cec75abb6f7174854

SHA512
af72b882a79476d008c912838f94ad5de2026235107f6baf842c86a88f8dd07ee67ccd475707090e556c2460f71cb172d7728babb41b1a048536a0716b485da0

Download Submit
\LotWin\LotWin2\Horsew.dll
MD5
6ba50bda02b9365981bccea9125e395a

SHA1
d636d8c87aa5fcd68b2cddaac5838a68812287f8

SHA256
6c8666b3b262f09600f20d751bd418f0e0d3a232e49b6c0cec75abb6f7174854

SHA512
af72b882a79476d008c912838f94ad5de2026235107f6baf842c86a88f8dd07ee67ccd475707090e556c2460f71cb172d7728babb41b1a048536a0716b485da0

Download Submit
\LotWin\LotWin2\Horsew.dll
MD5
6ba50bda02b9365981bccea9125e395a

SHA1
d636d8c87aa5fcd68b2cddaac5838a68812287f8

SHA256
6c8666b3b262f09600f20d751bd418f0e0d3a232e49b6c0cec75abb6f7174854

SHA512
af72b882a79476d008c912838f94ad5de2026235107f6baf842c86a88f8dd07ee67ccd475707090e556c2460f71cb172d7728babb41b1a048536a0716b485da0

Download Submit
\LotWin\LotWin2\Horsew.dll
MD5
6ba50bda02b9365981bccea9125e395a

SHA1
d636d8c87aa5fcd68b2cddaac5838a68812287f8

SHA256
6c8666b3b262f09600f20d751bd418f0e0d3a232e49b6c0cec75abb6f7174854

SHA512
af72b882a79476d008c912838f94ad5de2026235107f6baf842c86a88f8dd07ee67ccd475707090e556c2460f71cb172d7728babb41b1a048536a0716b485da0

Download Submit
memory/976-2-0x000007FEF6F80000-0x000007FEF71FA000-memory.dmp

Filesize
2.5MB

Download
memory/1120-3-0x0000000000000000-mapping.dmp

Download
memory/1120-9-0x00000000001B0000-0x00000000001E9000-memory.dmp

Filesize
228KB

Download
memory/1120-10-0x0000000000250000-0x0000000000288000-memory.dmp

Filesize
224KB

Download
memory/1344-11-0x0000000000000000-mapping.dmp

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Matrix ATT&CK v6

Replay Monitor

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Downloads