37f6a4381cdf251e86a1e7c8c58d12fa5c718274d4a0b960b728e440088be95d

Analysis

max time kernel
138s
max time network
148s
platform
windows10-2004_x64
resource
win10v2004-20220812-en
resource tags

arch:x64arch:x86image:win10v2004-20220812-enlocale:en-usos:windows10-2004-x64system
submitted
21/11/2022, 17:10

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General

Target

37f6a4381cdf251e86a1e7c8c58d12fa5c718274d4a0b960b728e440088be95d.exe
Size

62KB
MD5

3061df237de2ea31d8bfa2b1ecce9200
SHA1

0783a358a21f48a2027becf70251f0627be6976c
SHA256

37f6a4381cdf251e86a1e7c8c58d12fa5c718274d4a0b960b728e440088be95d
SHA512

404eb23f3eb3c9bf3599732ccc9cd70d08ded57ec45f9db9237150c19dc2cab0d982447fbe08ff59bb8f3a427318d49568d877e8f2fdd8aac7ec8401c22ccd93
SSDEEP

1536:P2LvvcGJBixuW7dPjQlfSFIsO+aOKcLllWLM2:P2zcGJBibDJvMM

Score

7^/10

Malware Config

Signatures

Checks computer location settings 2 TTPs 1 IoCs

Looks up country code configured in the registry, likely geofence.

Query Registry

T1012

System Information Discovery

T1082

description	ioc	Process
Key value queried	\REGISTRY\USER\S-1-5-21-2295526160-1155304984-640977766-1000\Control Panel\International\Geo\Nation	37f6a4381cdf251e86a1e7c8c58d12fa5c718274d4a0b960b728e440088be95d.exe

Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s). Likely ransomware behaviour.

System Information Discovery
T1082

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 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

Modifies registry class 1 IoCs

description	ioc	Process
Key created	\REGISTRY\USER\S-1-5-21-2295526160-1155304984-640977766-1000_Classes\Local Settings	37f6a4381cdf251e86a1e7c8c58d12fa5c718274d4a0b960b728e440088be95d.exe

Suspicious behavior: AddClipboardFormatListener 2 IoCs

pid	Process
5080	WINWORD.EXE
5080	WINWORD.EXE

Suspicious use of SetWindowsHookEx 8 IoCs

pid	Process
5080	WINWORD.EXE
5080	WINWORD.EXE
5080	WINWORD.EXE
5080	WINWORD.EXE
5080	WINWORD.EXE
5080	WINWORD.EXE
5080	WINWORD.EXE
5080	WINWORD.EXE

Suspicious use of WriteProcessMemory 2 IoCs

description	pid	Process	procid_target
PID 5048 wrote to memory of 5080	5048	37f6a4381cdf251e86a1e7c8c58d12fa5c718274d4a0b960b728e440088be95d.exe	80
PID 5048 wrote to memory of 5080	5048	37f6a4381cdf251e86a1e7c8c58d12fa5c718274d4a0b960b728e440088be95d.exe	80

C:\Users\Admin\AppData\Local\Temp\37f6a4381cdf251e86a1e7c8c58d12fa5c718274d4a0b960b728e440088be95d.exe
"C:\Users\Admin\AppData\Local\Temp\37f6a4381cdf251e86a1e7c8c58d12fa5c718274d4a0b960b728e440088be95d.exe"
1⤵
- Checks computer location settings
- Modifies registry class
- Suspicious use of WriteProcessMemory
PID:5048
- 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\37f6a4381cdf251e86a1e7c8c58d12fa5c718274d4a0b960b728e440088be95d.doc" /o ""
  2⤵
  - Checks processor information in registry
  - Enumerates system info in registry
  - Suspicious behavior: AddClipboardFormatListener
  - Suspicious use of SetWindowsHookEx
  PID:5080

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

Replay Monitor

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Downloads

C:\Users\Admin\AppData\Local\Temp\37f6a4381cdf251e86a1e7c8c58d12fa5c718274d4a0b960b728e440088be95d.doc

Filesize
2KB

MD5
2c6ce160cea6ccec0f10dfdc2f6e12cb

SHA1
fefb5fa788e029df4ff6309fd8d60411803f29a9

SHA256
1719a9fdd300513ab1bfb45897dfd37bbd7ee8209db5f422e4af8779a4051204

SHA512
0a31469ca5fce4ce1fd4ca9956cbe6400c47cbad8d3c360f1750c50b1563a84ae8e7d5d83e2b5799b0596863c77b480b67859661b496e53083b4564280dbad0a

Download Submit
memory/5048-132-0x0000000000400000-0x0000000000413000-memory.dmp

Filesize
76KB

Download
memory/5080-135-0x00007FF7F5170000-0x00007FF7F5180000-memory.dmp

Filesize
64KB

Download
memory/5080-134-0x00007FF7F5170000-0x00007FF7F5180000-memory.dmp

Filesize
64KB

Download
memory/5080-136-0x00007FF7F5170000-0x00007FF7F5180000-memory.dmp

Filesize
64KB

Download
memory/5080-137-0x00007FF7F5170000-0x00007FF7F5180000-memory.dmp

Filesize
64KB

Download
memory/5080-138-0x00007FF7F5170000-0x00007FF7F5180000-memory.dmp

Filesize
64KB

Download
memory/5080-139-0x00007FF7F2860000-0x00007FF7F2870000-memory.dmp

Filesize
64KB

Download
memory/5080-140-0x00007FF7F2860000-0x00007FF7F2870000-memory.dmp

Filesize
64KB

Download
memory/5080-143-0x00007FF7F5170000-0x00007FF7F5180000-memory.dmp

Filesize
64KB

Download
memory/5080-144-0x00007FF7F5170000-0x00007FF7F5180000-memory.dmp

Filesize
64KB

Download
memory/5080-145-0x00007FF7F5170000-0x00007FF7F5180000-memory.dmp

Filesize
64KB

Download
memory/5080-146-0x00007FF7F5170000-0x00007FF7F5180000-memory.dmp

Filesize
64KB

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v6

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Downloads