ca822b28a868bb52c0e59bf09093cf38dedb0a09c82718d3979980f13c02d1b9

Analysis

max time kernel
138s
max time network
134s
platform
windows10_x64
resource
win10v200430
submitted
11/07/2020, 07:17

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General

Target

docs-07.20.doc
Size

147KB
MD5

7dd79ba56b7ec464e9b515d900f3f569
SHA1

6c2bf5092ce30405ee4b7a349d9fe533045c6b4a
SHA256

ca822b28a868bb52c0e59bf09093cf38dedb0a09c82718d3979980f13c02d1b9
SHA512

b0974074f16bd77a59d4d36faa671998eb245d43e4ac966a4eeea53840b03385cdba5ec5780829fcd85d4360743c4429e1d55d2aeae3cbb52786ea8ff9afe494

Score

10^/10

Malware Config

Signatures

Suspicious use of SetWindowsHookEx 19 IoCs

pid	Process
2804	WINWORD.EXE
2804	WINWORD.EXE
2804	WINWORD.EXE
2804	WINWORD.EXE
2804	WINWORD.EXE
2804	WINWORD.EXE
2804	WINWORD.EXE
2804	WINWORD.EXE
2804	WINWORD.EXE
2804	WINWORD.EXE
2804	WINWORD.EXE
2804	WINWORD.EXE
2804	WINWORD.EXE
2804	WINWORD.EXE
2804	WINWORD.EXE
2804	WINWORD.EXE
2804	WINWORD.EXE
2804	WINWORD.EXE
2804	WINWORD.EXE

Suspicious behavior: AddClipboardFormatListener 2 IoCs

pid	Process
2804	WINWORD.EXE
2804	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	1488	2804	regsvr32.exe	65

Suspicious use of WriteProcessMemory 2 IoCs

description	pid	Process	procid_target
PID 2804 wrote to memory of 1488	2804	WINWORD.EXE	72
PID 2804 wrote to memory of 1488	2804	WINWORD.EXE	72

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

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\docs-07.20.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:2804
- C:\Windows\System32\regsvr32.exe
  "C:\Windows\System32\regsvr32.exe" kG.tmp
  2⤵
  - Process spawned unexpected child process
  PID:1488

Network

MITRE ATT&CK Enterprise v6

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Credential Access

Discovery

Query Registry

T1012

System Information Discovery

T1082

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

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Downloads

memory/2804-0-0x000002E4F976C000-0x000002E4F9771000-memory.dmp

Filesize
20KB

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memory/2804-1-0x000002E4F9767000-0x000002E4F976C000-memory.dmp

Filesize
20KB

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memory/2804-2-0x000002E4F976C000-0x000002E4F9771000-memory.dmp

Filesize
20KB

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Analysis

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General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v6

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Downloads