341c393143004d48287b363bc116151c64354ab7cbcec5dadc030e4846865486

General

Target

files_07.20.doc
Size

113KB
MD5

8b2e97fc3d2ef106165028c520e3deab
SHA1

c961148f40ba9c580469794e3ab94e251af0ce48
SHA256

341c393143004d48287b363bc116151c64354ab7cbcec5dadc030e4846865486
SHA512

85f3126653dd1d250b7d210a5171396f64bb7ee5cdffe7b3bec10a561864d823d265c064e43388b6219bd4b9234417fb89961429f069fe8f3865cebe09bfdea2

Score

10^/10

Malware Config

Signatures

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 use of SetWindowsHookEx 19 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
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
3024	WINWORD.EXE

Suspicious behavior: AddClipboardFormatListener 2 IoCs

pid	Process
3024	WINWORD.EXE
3024	WINWORD.EXE

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	2684	3024	regsvr32.exe	66

Suspicious use of WriteProcessMemory 5 IoCs

description	pid	Process	procid_target
PID 3024 wrote to memory of 2684	3024	WINWORD.EXE	71
PID 3024 wrote to memory of 2684	3024	WINWORD.EXE	71
PID 2684 wrote to memory of 3584	2684	regsvr32.exe	72
PID 2684 wrote to memory of 3584	2684	regsvr32.exe	72
PID 2684 wrote to memory of 3584	2684	regsvr32.exe	72

Loads dropped DLL 1 IoCs

pid	Process
3584	regsvr32.exe

Suspicious behavior: EnumeratesProcesses 2 IoCs

pid	Process
3584	regsvr32.exe
3584	regsvr32.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 value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0\ProcessorNameString	WINWORD.EXE
Key opened	\REGISTRY\MACHINE\Hardware\Description\System\CentralProcessor\0	WINWORD.EXE
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0\~MHz	WINWORD.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\files_07.20.doc" /o ""
1⤵
- Enumerates system info in registry
- Suspicious use of SetWindowsHookEx
- Suspicious behavior: AddClipboardFormatListener
- Suspicious use of WriteProcessMemory
- Checks processor information in registry
PID:3024
- C:\Windows\SYSTEM32\regsvr32.exe
  regsvr32 Mb.tmp
  2⤵
  - Process spawned unexpected child process
  - Suspicious use of WriteProcessMemory
  PID:2684
- - C:\Windows\SysWOW64\regsvr32.exe
    Mb.tmp
    3⤵
    - Loads dropped DLL
    - Suspicious behavior: EnumeratesProcesses
    PID:3584

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/3024-0-0x000002AF8A4A5000-0x000002AF8A4AA000-memory.dmp

Filesize
20KB

Download
memory/3024-1-0x000002AF8A6B4000-0x000002AF8A6B9000-memory.dmp

Filesize
20KB

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v6

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Downloads