bf79a1b5281f5e1daa76040f07ae77ec623afecc33d8736bc504df901c0186d0

General

Target

bf79a1b5281f5e1daa76040f07ae77ec623afecc33d8736bc504df901c0186d0.doc
Size

147KB
MD5

77515a3c10facf55dff7f8f2de7cc110
SHA1

2c841e96f7a61f0578c44cd42a421f08c6d5291f
SHA256

bf79a1b5281f5e1daa76040f07ae77ec623afecc33d8736bc504df901c0186d0
SHA512

8c58cf12e3e81dcd09eee6ec65a2f4b79b2df747210dd73408bd4c9f814ab6fcda9131502220f4c878f858912a9edbb3d7c3ae3307cb3f02862e1d21bea51f3a

Score

10^/10

Malware Config

Signatures

Suspicious use of SetWindowsHookEx 19 IoCs

Processes:

WINWORD.EXE

pid	process
3888	WINWORD.EXE
3888	WINWORD.EXE
3888	WINWORD.EXE
3888	WINWORD.EXE
3888	WINWORD.EXE
3888	WINWORD.EXE
3888	WINWORD.EXE
3888	WINWORD.EXE
3888	WINWORD.EXE
3888	WINWORD.EXE
3888	WINWORD.EXE
3888	WINWORD.EXE
3888	WINWORD.EXE
3888	WINWORD.EXE
3888	WINWORD.EXE
3888	WINWORD.EXE
3888	WINWORD.EXE
3888	WINWORD.EXE
3888	WINWORD.EXE

Suspicious behavior: AddClipboardFormatListener 2 IoCs

Processes:

WINWORD.EXE

pid process

3888 WINWORD.EXE
3888 WINWORD.EXE

Process spawned unexpected child process 1 IoCs

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

Processes:

regsvr32.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	412	3888	regsvr32.exe	WINWORD.EXE

Suspicious use of WriteProcessMemory 2 IoCs

Processes:

WINWORD.EXE

description	pid	process	target process
PID 3888 wrote to memory of 412	3888	WINWORD.EXE	regsvr32.exe
PID 3888 wrote to memory of 412	3888	WINWORD.EXE	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

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 value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\BIOS\SystemSKU	WINWORD.EXE
Key opened	\REGISTRY\MACHINE\Hardware\Description\System\BIOS	WINWORD.EXE
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\BIOS\SystemFamily	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\bf79a1b5281f5e1daa76040f07ae77ec623afecc33d8736bc504df901c0186d0.doc" /o ""
1⤵
- Suspicious use of SetWindowsHookEx
- Suspicious behavior: AddClipboardFormatListener
- Suspicious use of WriteProcessMemory
- Checks processor information in registry
- Enumerates system info in registry
PID:3888

C:\Windows\System32\regsvr32.exe
"C:\Windows\System32\regsvr32.exe" Nv.tmp
2⤵
- Process spawned unexpected child process
PID:412

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/412-2-0x0000000000000000-mapping.dmp

Download
memory/3888-0-0x0000026B966DE000-0x0000026B966E3000-memory.dmp

Filesize
20KB

Download
memory/3888-1-0x0000026B966DE000-0x0000026B966E3000-memory.dmp

Filesize
20KB

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v6

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Downloads