36f5de4cf35ab7af61c9c18be9a48fb8d35f6b275d0b9262e2067e59ce1e9d75

General

Target

WESTERN UNION PROMO.doc
Size

81KB
MD5

6c78b338d664c832d6889839c1086c09
SHA1

88e31dbf0ffd4a76f6f6de94d19043d1299e7103
SHA256

36f5de4cf35ab7af61c9c18be9a48fb8d35f6b275d0b9262e2067e59ce1e9d75
SHA512

45e5e9fed80c6e75e651df43ec044e176bf2bc034dd979cd20f8702bb5f7acef5b6a1edfe140270de9e7e10202bda704e6ec76d04aa06970b39d35958fc9da96

Score

4^/10

Malware Config

Signatures

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
Office loads VBA resources, possible macro or embedded object present

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
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 (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
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
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\E&xport to Microsoft Excel\ = "res://C:\\PROGRA~2\\MICROS~1\\Office14\\EXCEL.EXE/3000"	WINWORD.EXE
Key created	\REGISTRY\USER\S-1-5-21-2455352368-1077083310-2879168483-1000\Software\Microsoft\Internet Explorer\Toolbar	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
Key created	\REGISTRY\USER\S-1-5-21-2455352368-1077083310-2879168483-1000\Software\Microsoft\Internet Explorer\MenuExt\E&xport to Microsoft Excel	WINWORD.EXE

Suspicious behavior: AddClipboardFormatListener 1 IoCs

Processes:

WINWORD.EXE

pid process

1028 WINWORD.EXE
Suspicious use of AdjustPrivilegeToken 1 IoCs

Processes:

WINWORD.EXE

description pid process

Token: SeShutdownPrivilege 1028 WINWORD.EXE
Suspicious use of SetWindowsHookEx 2 IoCs

Processes:

WINWORD.EXE

pid process

1028 WINWORD.EXE
1028 WINWORD.EXE

pid	process
1028	WINWORD.EXE

description	pid	process
Token: SeShutdownPrivilege	1028	WINWORD.EXE

pid	process
1028	WINWORD.EXE
1028	WINWORD.EXE

Suspicious use of WriteProcessMemory 4 IoCs

Processes:

WINWORD.EXE

description	pid	process	target process
PID 1028 wrote to memory of 260	1028	WINWORD.EXE	splwow64.exe
PID 1028 wrote to memory of 260	1028	WINWORD.EXE	splwow64.exe
PID 1028 wrote to memory of 260	1028	WINWORD.EXE	splwow64.exe
PID 1028 wrote to memory of 260	1028	WINWORD.EXE	splwow64.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\WESTERN UNION PROMO.doc"
1⤵
- Drops file in Windows directory
- Modifies Internet Explorer settings
- Suspicious behavior: AddClipboardFormatListener
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:1028

C:\Windows\splwow64.exe
C:\Windows\splwow64.exe 12288
2⤵
PID:260

MITRE ATT&CK Matrix ATT&CK v6

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Modify Registry

1

T1112

Credential Access

Discovery

Lateral Movement

Collection

Exfiltration

Command and Control

Impact

Replay Monitor

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Downloads

memory/260-64-0x0000000000000000-mapping.dmp

Download
memory/260-65-0x000007FEFBD61000-0x000007FEFBD63000-memory.dmp

Filesize
8KB

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

Filesize
12KB

Download
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

Analysis

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