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\Microsoft Office\Root\Office16\WINWORD.EXE is not expected to spawn this process	2088	1952	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

7 2088 WScript.exe
Downloads MZ/PE file
Loads dropped DLL 1 IoCs

Processes:

rundll32.exe

pid process

940 rundll32.exe
Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s). Likely ransomware behaviour.

System Information Discovery
T1082

flow	pid	process
7	2088	WScript.exe

pid	process
940	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:

WINWORD.EXE

description	ioc	process
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0\~MHz	WINWORD.EXE
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0\ProcessorNameString	WINWORD.EXE
Key opened	\REGISTRY\MACHINE\Hardware\Description\System\CentralProcessor\0	WINWORD.EXE

Enumerates system info in registry 2 TTPs 3 IoCs

Query Registry

T1012

System Information Discovery

T1082

Processes:

WINWORD.EXE

description	ioc	process
Key opened	\REGISTRY\MACHINE\Hardware\Description\System\BIOS	WINWORD.EXE
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\BIOS\SystemFamily	WINWORD.EXE
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\BIOS\SystemSKU	WINWORD.EXE

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

Processes:

description flow ioc

HTTP User-Agent header 7 Mozilla/4.0 (compatible; Win32; WinHttp.WinHttpRequest.5)
Suspicious behavior: AddClipboardFormatListener 2 IoCs

Processes:

WINWORD.EXE

pid process

1952 WINWORD.EXE
1952 WINWORD.EXE
Suspicious use of AdjustPrivilegeToken 1 IoCs

Processes:

wermgr.exe

description pid process

Token: SeDebugPrivilege 3584 wermgr.exe
Suspicious use of SetWindowsHookEx 8 IoCs

Processes:

WINWORD.EXE

pid process

1952 WINWORD.EXE
1952 WINWORD.EXE
1952 WINWORD.EXE
1952 WINWORD.EXE
1952 WINWORD.EXE
1952 WINWORD.EXE
1952 WINWORD.EXE
1952 WINWORD.EXE

description	flow	ioc
HTTP User-Agent header	7	Mozilla/4.0 (compatible; Win32; WinHttp.WinHttpRequest.5)

pid	process
1952	WINWORD.EXE
1952	WINWORD.EXE

description	pid	process
Token: SeDebugPrivilege	3584	wermgr.exe

pid	process
1952	WINWORD.EXE
1952	WINWORD.EXE
1952	WINWORD.EXE
1952	WINWORD.EXE
1952	WINWORD.EXE
1952	WINWORD.EXE
1952	WINWORD.EXE
1952	WINWORD.EXE

Suspicious use of WriteProcessMemory 14 IoCs

Processes:

WINWORD.EXEWScript.exerundll32.exerundll32.exe

description	pid	process	target process
PID 1952 wrote to memory of 2088	1952	WINWORD.EXE	WScript.exe
PID 1952 wrote to memory of 2088	1952	WINWORD.EXE	WScript.exe
PID 2088 wrote to memory of 1108	2088	WScript.exe	rundll32.exe
PID 2088 wrote to memory of 1108	2088	WScript.exe	rundll32.exe
PID 1108 wrote to memory of 940	1108	rundll32.exe	rundll32.exe
PID 1108 wrote to memory of 940	1108	rundll32.exe	rundll32.exe
PID 1108 wrote to memory of 940	1108	rundll32.exe	rundll32.exe
PID 940 wrote to memory of 3908	940	rundll32.exe	cmd.exe
PID 940 wrote to memory of 3908	940	rundll32.exe	cmd.exe
PID 940 wrote to memory of 3908	940	rundll32.exe	cmd.exe
PID 940 wrote to memory of 3584	940	rundll32.exe	wermgr.exe
PID 940 wrote to memory of 3584	940	rundll32.exe	wermgr.exe
PID 940 wrote to memory of 3584	940	rundll32.exe	wermgr.exe
PID 940 wrote to memory of 3584	940	rundll32.exe	wermgr.exe

C:\Program Files\Microsoft Office\Root\Office16\WINWORD.EXE
"C:\Program Files\Microsoft Office\Root\Office16\WINWORD.EXE" /n "C:\Users\Admin\AppData\Local\Temp\invoice attachment.docm" /o ""
1⤵
- Checks processor information in registry
- Enumerates system info in registry
- Suspicious behavior: AddClipboardFormatListener
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:1952

C:\Windows\System32\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:2088

C:\Windows\System32\rundll32.exe
"C:\Windows\System32\rundll32.exe" C:\Users\Admin\AppData\Local\radD74CF.tmp.dll,runquery
3⤵
- Suspicious use of WriteProcessMemory
PID:1108

C:\Windows\SysWOW64\rundll32.exe
"C:\Windows\System32\rundll32.exe" C:\Users\Admin\AppData\Local\radD74CF.tmp.dll,runquery
4⤵
- Loads dropped DLL
- Suspicious use of WriteProcessMemory
PID:940

C:\Windows\SysWOW64\cmd.exe
C:\Windows\system32\cmd.exe
5⤵
PID:3908

C:\Windows\system32\wermgr.exe
C:\Windows\system32\wermgr.exe
5⤵
- Suspicious use of AdjustPrivilegeToken
PID:3584

Network

MITRE ATT&CK Matrix ATT&CK v6

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Credential Access

Discovery

System Information Discovery

3

T1082

Query Registry

2

T1012

Lateral Movement

Collection

Exfiltration

Command and Control

Impact

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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\radD74CF.tmp.dll
MD5
40546f7deea01307c9dbc00a64575c21

SHA1
becbd9821ace4eddddd52b6a1fa3c1a12ee7f22d

SHA256
e3f16c0cf1ce1243906c372f9126150f1ece4bc16004a348801a712dd55e02a2

SHA512
579f81e02c1b5fee332492502d52c488e50bf17ea64a82b2e165045abc5f9f13c0fb70d5a0848dbdec4e6ed50ef8980b12a19ffa5afa6a97a4f7d4c4dfad153b

Download Submit
\Users\Admin\AppData\Local\radD74CF.tmp.dll
MD5
40546f7deea01307c9dbc00a64575c21

SHA1
becbd9821ace4eddddd52b6a1fa3c1a12ee7f22d

SHA256
e3f16c0cf1ce1243906c372f9126150f1ece4bc16004a348801a712dd55e02a2

SHA512
579f81e02c1b5fee332492502d52c488e50bf17ea64a82b2e165045abc5f9f13c0fb70d5a0848dbdec4e6ed50ef8980b12a19ffa5afa6a97a4f7d4c4dfad153b

Download Submit
memory/940-284-0x0000000000000000-mapping.dmp

Download
memory/940-295-0x0000000004160000-0x0000000004161000-memory.dmp

Filesize
4KB

Download
memory/940-296-0x0000000004141000-0x0000000004143000-memory.dmp

Filesize
8KB

Download
memory/940-293-0x0000000004060000-0x0000000004099000-memory.dmp

Filesize
228KB

Download
memory/940-294-0x00000000040F0000-0x0000000004134000-memory.dmp

Filesize
272KB

Download
memory/940-291-0x00000000040B0000-0x00000000040E8000-memory.dmp

Filesize
224KB

Download
memory/940-289-0x0000000000500000-0x0000000000539000-memory.dmp

Filesize
228KB

Download
memory/940-286-0x0000000000320000-0x000000000035B000-memory.dmp

Filesize
236KB

Download
memory/1108-282-0x0000000000000000-mapping.dmp

Download
memory/1952-124-0x00007FFB6B880000-0x00007FFB6D775000-memory.dmp

Filesize
31.0MB

Download
memory/1952-117-0x00007FFB51F30000-0x00007FFB51F40000-memory.dmp

Filesize
64KB

Download
memory/1952-115-0x00007FFB51F30000-0x00007FFB51F40000-memory.dmp

Filesize
64KB

Download
memory/1952-123-0x00007FFB6E0B0000-0x00007FFB6F19E000-memory.dmp

Filesize
16.9MB

Download
memory/1952-119-0x00007FFB72890000-0x00007FFB753B3000-memory.dmp

Filesize
43.1MB

Download
memory/1952-120-0x00007FFB51F30000-0x00007FFB51F40000-memory.dmp

Filesize
64KB

Download
memory/1952-118-0x00007FFB51F30000-0x00007FFB51F40000-memory.dmp

Filesize
64KB

Download
memory/1952-360-0x00007FFB51F30000-0x00007FFB51F40000-memory.dmp

Filesize
64KB

Download
memory/1952-116-0x00007FFB51F30000-0x00007FFB51F40000-memory.dmp

Filesize
64KB

Download
memory/1952-358-0x00007FFB51F30000-0x00007FFB51F40000-memory.dmp

Filesize
64KB

Download
memory/1952-359-0x00007FFB51F30000-0x00007FFB51F40000-memory.dmp

Filesize
64KB

Download
memory/1952-357-0x00007FFB51F30000-0x00007FFB51F40000-memory.dmp

Filesize
64KB

Download
memory/2088-258-0x0000000000000000-mapping.dmp

Download
memory/3584-298-0x0000015E396E0000-0x0000015E39708000-memory.dmp

Filesize
160KB

Download
memory/3584-299-0x0000015E39720000-0x0000015E39721000-memory.dmp

Filesize
4KB

Download
memory/3584-297-0x0000000000000000-mapping.dmp

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Matrix ATT&CK v6

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Downloads