d885d083270df417a78eef7ed4d5d45111ee20e942db3500a2c48699cf8107eb

Analysis

max time kernel
134s
max time network
134s
platform
windows10_x64
resource
win10
submitted
15/07/2020, 08:30

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General

Target
inquiry_07.20.doc
Size 115KB
Sample200715-ljbskc4dg2
SHA256 d885d083270df417a78eef7ed4d5d45111ee20e942db3500a2c48699cf8107eb
MD5 2fbb6f7b5f1b9a23a44a73cac1632df6
SHA1 f759f2d4f1f46a77af23d28b2382fd359403bef9
SHA512 96fb3764bb938d0ab5a39fecdb31860df7d5d09de366fbe56e851e978b0a8372df67e50c21c42c5a71068e21942335b8545db4d968435f362edbebc75c4e581a
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	3848	3044	regsvr32.exe	66

Suspicious use of WriteProcessMemory 2 IoCs

description	pid	Process	procid_target
PID 3044 wrote to memory of 3848	3044	WINWORD.EXE	73
PID 3044 wrote to memory of 3848	3044	WINWORD.EXE	73

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 use of SetWindowsHookEx 19 IoCs

pid	Process
3044	WINWORD.EXE
3044	WINWORD.EXE
3044	WINWORD.EXE
3044	WINWORD.EXE
3044	WINWORD.EXE
3044	WINWORD.EXE
3044	WINWORD.EXE
3044	WINWORD.EXE
3044	WINWORD.EXE
3044	WINWORD.EXE
3044	WINWORD.EXE
3044	WINWORD.EXE
3044	WINWORD.EXE
3044	WINWORD.EXE
3044	WINWORD.EXE
3044	WINWORD.EXE
3044	WINWORD.EXE
3044	WINWORD.EXE
3044	WINWORD.EXE

Suspicious behavior: AddClipboardFormatListener 2 IoCs

pid	Process
3044	WINWORD.EXE
3044	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\inquiry_07.20.doc" /o ""
1⤵
- Suspicious use of WriteProcessMemory
- Checks processor information in registry
- Enumerates system info in registry
- Suspicious use of SetWindowsHookEx
- Suspicious behavior: AddClipboardFormatListener
PID:3044
- C:\Windows\SYSTEM32\regsvr32.exe
  regsvr32 C8.tmp
  2⤵
  - Process spawned unexpected child process
  PID:3848

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/3044-0-0x0000015572608000-0x000001557260D000-memory.dmp

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memory/3044-1-0x0000015572608000-0x000001557260D000-memory.dmp

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Analysis

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General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v6

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