trickbot | 712fd163cc98f8fb2055573336c606f17c66a22276dce9f6e9f909e3d6d23f16

General

Target

invoice attachment.docm
Size

188KB
MD5

4e3fe2ad8dc94dbf82847aa9c18e7efd
SHA1

c6623f75c837d4579e3282bd5871516475d8af3a
SHA256

712fd163cc98f8fb2055573336c606f17c66a22276dce9f6e9f909e3d6d23f16
SHA512

98f80aa9bb78b990cd7497efa2c8badc0e3c3c7ef71211de3ccd4ab019959f41b6473888f9f7e52deb0f0c22e3a3c23ab630a8dab07c9209c8c46434153a79f7

Score

10^/10

trickbot rob133 banker trojan

Malware Config

Extracted

Family

trickbot

Version

100019

Botnet

rob133

C2

65.152.201.203:443

185.56.175.122:443

46.99.175.217:443

179.189.229.254:443

46.99.175.149:443

181.129.167.82:443

216.166.148.187:443

46.99.188.223:443

128.201.76.252:443

62.99.79.77:443

60.51.47.65:443

24.162.214.166:443

45.36.99.184:443

97.83.40.67:443

184.74.99.214:443

103.105.254.17:443

62.99.76.213:443

82.159.149.52:443

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:

WScript.exe

description	pid	pid_target	process	target process
Parent C:\Program Files (x86)\Microsoft Office\Office14\WINWORD.EXE is not expected to spawn this process	2040	1028	WScript.exe	WINWORD.EXE

Trickbot
Developed in 2016, TrickBot is one of the more recent banking Trojans.
trojan banker trickbot
Blocklisted process makes network request 1 IoCs

Processes:

WScript.exe

flow pid process

1 2040 WScript.exe
Downloads MZ/PE file
Loads dropped DLL 4 IoCs

Processes:

rundll32.exe

pid process

1712 rundll32.exe
1712 rundll32.exe
1712 rundll32.exe
1712 rundll32.exe
Looks up external IP address via web service 1 IoCs
Uses a legitimate IP lookup service to find the infected system's external IP.

Processes:

flow ioc

10 ipinfo.io
Drops file in Windows directory 1 IoCs

Processes:

WINWORD.EXE

description ioc process

File opened for modification C:\Windows\Debug\WIA\wiatrace.log WINWORD.EXE
Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s). Likely ransomware behaviour.

System Information Discovery
T1082
Office loads VBA resources, possible macro or embedded object present

flow	pid	process
1	2040	WScript.exe

pid	process
1712	rundll32.exe
1712	rundll32.exe
1712	rundll32.exe
1712	rundll32.exe

flow	ioc
10	ipinfo.io

description	ioc	process
File opened for modification	C:\Windows\Debug\WIA\wiatrace.log	WINWORD.EXE

Modifies Internet Explorer settings 1 TTPs 9 IoCs

adware spyware

Modify Registry

T1112

Processes:

WINWORD.EXE

description	ioc	process
Key created	\REGISTRY\USER\S-1-5-21-2455352368-1077083310-2879168483-1000\Software\Microsoft\Internet Explorer\MenuExt\E&xport to Microsoft Excel	WINWORD.EXE
Key created	\REGISTRY\USER\S-1-5-21-2455352368-1077083310-2879168483-1000\Software\Microsoft\Internet Explorer\Toolbar	WINWORD.EXE
Key created	\REGISTRY\USER\S-1-5-21-2455352368-1077083310-2879168483-1000\Software\Microsoft\Internet Explorer\MenuExt\Se&nd to OneNote	WINWORD.EXE
Set value (str)	\REGISTRY\USER\S-1-5-21-2455352368-1077083310-2879168483-1000\Software\Microsoft\Internet Explorer\MenuExt\Se&nd to OneNote\ = "res://C:\\PROGRA~2\\MICROS~1\\Office14\\ONBttnIE.dll/105"	WINWORD.EXE
Set value (int)	\REGISTRY\USER\S-1-5-21-2455352368-1077083310-2879168483-1000\Software\Microsoft\Internet Explorer\MenuExt\Se&nd to OneNote\Contexts = "55"	WINWORD.EXE
Set value (str)	\REGISTRY\USER\S-1-5-21-2455352368-1077083310-2879168483-1000\Software\Microsoft\Internet Explorer\Toolbar\ShowDiscussionButton = "Yes"	WINWORD.EXE
Key created	\REGISTRY\USER\S-1-5-21-2455352368-1077083310-2879168483-1000\Software\Microsoft\Internet Explorer\MenuExt	WINWORD.EXE
Set value (str)	\REGISTRY\USER\S-1-5-21-2455352368-1077083310-2879168483-1000\Software\Microsoft\Internet Explorer\MenuExt\E&xport to Microsoft Excel\ = "res://C:\\PROGRA~2\\MICROS~1\\Office14\\EXCEL.EXE/3000"	WINWORD.EXE
Set value (int)	\REGISTRY\USER\S-1-5-21-2455352368-1077083310-2879168483-1000\Software\Microsoft\Internet Explorer\MenuExt\E&xport to Microsoft Excel\Contexts = "1"	WINWORD.EXE

Script User-Agent 1 IoCs
Uses user-agent string associated with script host/environment.

Processes:

description flow ioc

HTTP User-Agent header 1 Mozilla/4.0 (compatible; Win32; WinHttp.WinHttpRequest.5)
Suspicious behavior: AddClipboardFormatListener 1 IoCs

Processes:

WINWORD.EXE

pid process

1028 WINWORD.EXE
Suspicious use of AdjustPrivilegeToken 1 IoCs

Processes:

wermgr.exe

description pid process

Token: SeDebugPrivilege 1672 wermgr.exe
Suspicious use of SetWindowsHookEx 2 IoCs

Processes:

WINWORD.EXE

pid process

1028 WINWORD.EXE
1028 WINWORD.EXE

description	flow	ioc
HTTP User-Agent header	1	Mozilla/4.0 (compatible; Win32; WinHttp.WinHttpRequest.5)

pid	process
1028	WINWORD.EXE

description	pid	process
Token: SeDebugPrivilege	1672	wermgr.exe

pid	process
1028	WINWORD.EXE
1028	WINWORD.EXE

Suspicious use of WriteProcessMemory 25 IoCs

Processes:

WINWORD.EXEWScript.exerundll32.exe

description	pid	process	target process
PID 1028 wrote to memory of 2040	1028	WINWORD.EXE	WScript.exe
PID 1028 wrote to memory of 2040	1028	WINWORD.EXE	WScript.exe
PID 1028 wrote to memory of 2040	1028	WINWORD.EXE	WScript.exe
PID 1028 wrote to memory of 2040	1028	WINWORD.EXE	WScript.exe
PID 1028 wrote to memory of 1252	1028	WINWORD.EXE	splwow64.exe
PID 1028 wrote to memory of 1252	1028	WINWORD.EXE	splwow64.exe
PID 1028 wrote to memory of 1252	1028	WINWORD.EXE	splwow64.exe
PID 1028 wrote to memory of 1252	1028	WINWORD.EXE	splwow64.exe
PID 2040 wrote to memory of 1712	2040	WScript.exe	rundll32.exe
PID 2040 wrote to memory of 1712	2040	WScript.exe	rundll32.exe
PID 2040 wrote to memory of 1712	2040	WScript.exe	rundll32.exe
PID 2040 wrote to memory of 1712	2040	WScript.exe	rundll32.exe
PID 2040 wrote to memory of 1712	2040	WScript.exe	rundll32.exe
PID 2040 wrote to memory of 1712	2040	WScript.exe	rundll32.exe
PID 2040 wrote to memory of 1712	2040	WScript.exe	rundll32.exe
PID 1712 wrote to memory of 1500	1712	rundll32.exe	cmd.exe
PID 1712 wrote to memory of 1500	1712	rundll32.exe	cmd.exe
PID 1712 wrote to memory of 1500	1712	rundll32.exe	cmd.exe
PID 1712 wrote to memory of 1500	1712	rundll32.exe	cmd.exe
PID 1712 wrote to memory of 1672	1712	rundll32.exe	wermgr.exe
PID 1712 wrote to memory of 1672	1712	rundll32.exe	wermgr.exe
PID 1712 wrote to memory of 1672	1712	rundll32.exe	wermgr.exe
PID 1712 wrote to memory of 1672	1712	rundll32.exe	wermgr.exe
PID 1712 wrote to memory of 1672	1712	rundll32.exe	wermgr.exe
PID 1712 wrote to memory of 1672	1712	rundll32.exe	wermgr.exe

C:\Program Files (x86)\Microsoft Office\Office14\WINWORD.EXE
"C:\Program Files (x86)\Microsoft Office\Office14\WINWORD.EXE" /n "C:\Users\Admin\AppData\Local\Temp\invoice attachment.docm"
1⤵
- Drops file in Windows directory
- Modifies Internet Explorer settings
- Suspicious behavior: AddClipboardFormatListener
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:1028

C:\Windows\SysWOW64\WScript.exe
"C:\Windows\System32\WScript.exe" "C:\Users\Admin\AppData\Local\fijxgr1chfv6js.vbs"
2⤵
- Process spawned unexpected child process
- Blocklisted process makes network request
- Suspicious use of WriteProcessMemory
PID:2040

C:\Windows\SysWOW64\rundll32.exe
"C:\Windows\System32\rundll32.exe" C:\Users\Admin\AppData\Local\rad1C9AA.tmp.dll,runquery
3⤵
- Loads dropped DLL
- Suspicious use of WriteProcessMemory
PID:1712

C:\Windows\SysWOW64\cmd.exe
C:\Windows\system32\cmd.exe
4⤵
PID:1500

C:\Windows\system32\wermgr.exe
C:\Windows\system32\wermgr.exe
4⤵
- Suspicious use of AdjustPrivilegeToken
PID:1672

C:\Windows\splwow64.exe
C:\Windows\splwow64.exe 12288
2⤵
PID:1252

Network

MITRE ATT&CK Matrix ATT&CK v6

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Modify Registry

1

T1112

Credential Access

Discovery

System Information Discovery

1

T1082

Lateral Movement

Collection

Exfiltration

Command and Control

Impact

Replay Monitor

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Downloads

C:\Users\Admin\AppData\Local\fijxgr1chfv6js.vbs
MD5
42c3d52b92aa58ef68eb95aaca3e96dc

SHA1
1471222671eefe87533593d1955df58cc77a49d9

SHA256
04164c7fbc63be2483654e2df149c7fd792f8e1111d7bc95a8d72fe1dbd78ede

SHA512
de05a57d24af02083a393eb56c10a8beb1b640ad095c4511bc2df448a0d0a21b4358469d9f57e622bcdf923e79033a666b82007eec7789fa46e91ade60d0302f

Download Submit
C:\Users\Admin\AppData\Local\rad1C9AA.tmp.dll
MD5
73f68b6607d680ce988f3ce2c9e81cb6

SHA1
c4fdad9a1f2a350955c4e8c6ac63ce986838c1b5

SHA256
ea62c7f6cc16061412cf640610efe1bd74ae2b045630cad2bc7196835a4d9368

SHA512
64bc2d9a4698f006225250f5d51dc8c40a6d7cb560ac0be465e561dd5c88ffc3f0776c0fc851ec3d10eec0ef1fb5fce5382245f1a5e94051f865416a52832382

Download Submit
\Users\Admin\AppData\Local\rad1C9AA.tmp.dll
MD5
73f68b6607d680ce988f3ce2c9e81cb6

SHA1
c4fdad9a1f2a350955c4e8c6ac63ce986838c1b5

SHA256
ea62c7f6cc16061412cf640610efe1bd74ae2b045630cad2bc7196835a4d9368

SHA512
64bc2d9a4698f006225250f5d51dc8c40a6d7cb560ac0be465e561dd5c88ffc3f0776c0fc851ec3d10eec0ef1fb5fce5382245f1a5e94051f865416a52832382

Download Submit
\Users\Admin\AppData\Local\rad1C9AA.tmp.dll
MD5
73f68b6607d680ce988f3ce2c9e81cb6

SHA1
c4fdad9a1f2a350955c4e8c6ac63ce986838c1b5

SHA256
ea62c7f6cc16061412cf640610efe1bd74ae2b045630cad2bc7196835a4d9368

SHA512
64bc2d9a4698f006225250f5d51dc8c40a6d7cb560ac0be465e561dd5c88ffc3f0776c0fc851ec3d10eec0ef1fb5fce5382245f1a5e94051f865416a52832382

Download Submit
\Users\Admin\AppData\Local\rad1C9AA.tmp.dll
MD5
73f68b6607d680ce988f3ce2c9e81cb6

SHA1
c4fdad9a1f2a350955c4e8c6ac63ce986838c1b5

SHA256
ea62c7f6cc16061412cf640610efe1bd74ae2b045630cad2bc7196835a4d9368

SHA512
64bc2d9a4698f006225250f5d51dc8c40a6d7cb560ac0be465e561dd5c88ffc3f0776c0fc851ec3d10eec0ef1fb5fce5382245f1a5e94051f865416a52832382

Download Submit
\Users\Admin\AppData\Local\rad1C9AA.tmp.dll
MD5
73f68b6607d680ce988f3ce2c9e81cb6

SHA1
c4fdad9a1f2a350955c4e8c6ac63ce986838c1b5

SHA256
ea62c7f6cc16061412cf640610efe1bd74ae2b045630cad2bc7196835a4d9368

SHA512
64bc2d9a4698f006225250f5d51dc8c40a6d7cb560ac0be465e561dd5c88ffc3f0776c0fc851ec3d10eec0ef1fb5fce5382245f1a5e94051f865416a52832382

Download Submit
memory/1028-61-0x0000000070141000-0x0000000070143000-memory.dmp

Filesize
8KB

Download
memory/1028-62-0x000000005FFF0000-0x0000000060000000-memory.dmp

Filesize
64KB

Download
memory/1028-63-0x0000000075801000-0x0000000075803000-memory.dmp

Filesize
8KB

Download
memory/1028-90-0x000000005FFF0000-0x0000000060000000-memory.dmp

Filesize
64KB

Download
memory/1028-60-0x00000000726C1000-0x00000000726C4000-memory.dmp

Filesize
12KB

Download
memory/1252-67-0x0000000000000000-mapping.dmp

Download
memory/1252-68-0x000007FEFBD61000-0x000007FEFBD63000-memory.dmp

Filesize
8KB

Download
memory/1672-87-0x0000000000000000-mapping.dmp

Download
memory/1672-89-0x0000000000110000-0x0000000000111000-memory.dmp

Filesize
4KB

Download
memory/1672-88-0x0000000000060000-0x0000000000088000-memory.dmp

Filesize
160KB

Download
memory/1712-79-0x00000000004F0000-0x0000000000529000-memory.dmp

Filesize
228KB

Download
memory/1712-83-0x0000000000130000-0x0000000000169000-memory.dmp

Filesize
228KB

Download
memory/1712-84-0x00000000005A0000-0x00000000005E4000-memory.dmp

Filesize
272KB

Download
memory/1712-85-0x0000000000280000-0x0000000000291000-memory.dmp

Filesize
68KB

Download
memory/1712-86-0x00000000001E1000-0x00000000001E3000-memory.dmp

Filesize
8KB

Download
memory/1712-81-0x0000000000560000-0x0000000000598000-memory.dmp

Filesize
224KB

Download
memory/1712-69-0x0000000000000000-mapping.dmp

Download
memory/1712-76-0x0000000000240000-0x000000000027B000-memory.dmp

Filesize
236KB

Download
memory/2040-64-0x0000000000000000-mapping.dmp

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Matrix ATT&CK v6

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Downloads