9f651ae6ea538238748614a7f86fe2b0f76e881d6c38da581f284e4b6f79b0ca

Analysis

max time kernel
157s
max time network
154s
platform
windows10_x64
resource
win10-en-20211208
submitted
28-01-2022 13:34

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General

Target

01/2015.5.27/16.rtf
Size

645KB
MD5

4be96ff0f019a966dcf941121d9c4708
SHA1

b699d9c175ad5e05cfe32fb4bf560af9d2501df5
SHA256

28dc42f7c79bc17885a992211492b5c34cedf62d496dea3e179fcbc553c95a17
SHA512

2218b56c96e51f42a31250ae9cae8b1249b919966d30c615ed9488c63b1164820f86108b10c202362e86ccc5a1046f0ccf5fc89f948e65a827d7d606903af777

Score

1^/10

Malware Config

Signatures

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 opened	\REGISTRY\MACHINE\Hardware\Description\System\CentralProcessor\0	WINWORD.EXE
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

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

Suspicious behavior: AddClipboardFormatListener 2 IoCs

Processes:

WINWORD.EXE

pid process

2800 WINWORD.EXE
2800 WINWORD.EXE
Suspicious use of FindShellTrayWindow 1 IoCs

Processes:

WINWORD.EXE

pid process

2800 WINWORD.EXE

Suspicious use of SetWindowsHookEx 14 IoCs

Processes:

WINWORD.EXE

pid	process
2800	WINWORD.EXE
2800	WINWORD.EXE
2800	WINWORD.EXE
2800	WINWORD.EXE
2800	WINWORD.EXE
2800	WINWORD.EXE
2800	WINWORD.EXE
2800	WINWORD.EXE
2800	WINWORD.EXE
2800	WINWORD.EXE
2800	WINWORD.EXE
2800	WINWORD.EXE
2800	WINWORD.EXE
2800	WINWORD.EXE

Suspicious use of WriteProcessMemory 2 IoCs

Processes:

WINWORD.EXE

description	pid	process	target process
PID 2800 wrote to memory of 3556	2800	WINWORD.EXE	splwow64.exe
PID 2800 wrote to memory of 3556	2800	WINWORD.EXE	splwow64.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\01\2015.5.27\16.rtf" /o ""
1⤵
- Checks processor information in registry
- Enumerates system info in registry
- Suspicious behavior: AddClipboardFormatListener
- Suspicious use of FindShellTrayWindow
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:2800

C:\Windows\splwow64.exe
C:\Windows\splwow64.exe 12288
2⤵
PID:3556

Network

MITRE ATT&CK Matrix ATT&CK v6

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Credential Access

Discovery

Query Registry

T1012

System Information Discovery

T1082

Lateral Movement

Collection

Exfiltration

Command and Control

Impact

Replay Monitor

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Downloads

memory/2800-118-0x00007FFDFC560000-0x00007FFDFC570000-memory.dmp

Filesize
64KB

Download
memory/2800-119-0x00007FFDFC560000-0x00007FFDFC570000-memory.dmp

Filesize
64KB

Download
memory/2800-120-0x00007FFDFC560000-0x00007FFDFC570000-memory.dmp

Filesize
64KB

Download
memory/2800-121-0x00007FFDFC560000-0x00007FFDFC570000-memory.dmp

Filesize
64KB

Download
memory/2800-122-0x00007FFDFC560000-0x00007FFDFC570000-memory.dmp

Filesize
64KB

Download
memory/2800-125-0x00007FFDF89F0000-0x00007FFDF8A00000-memory.dmp

Filesize
64KB

Download
memory/2800-126-0x00007FFDF89F0000-0x00007FFDF8A00000-memory.dmp

Filesize
64KB

Download