3fbfd5e3314a32afb0649d2ef3a4905dd6a9847426eca0f96ef88127c5613919

Analysis

max time kernel
101s
max time network
136s
platform
windows10-2004_x64
resource
win10v2004-20220901-en
resource tags

arch:x64arch:x86image:win10v2004-20220901-enlocale:en-usos:windows10-2004-x64system
submitted
02/10/2022, 23:23

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General

Target

3fbfd5e3314a32afb0649d2ef3a4905dd6a9847426eca0f96ef88127c5613919.exe
Size

96KB
MD5

574e573ab890d799ea26136c693c2fc0
SHA1

2c14351d2b8a0fda8b9b6ce0090500b0f690567c
SHA256

3fbfd5e3314a32afb0649d2ef3a4905dd6a9847426eca0f96ef88127c5613919
SHA512

586a3251022130d75ee0914f88584082b30a7ff8568f87c9dd21e68cd2e851afc181f6fa7e32643388ce63cf3f2299b5e3f36c65acdc897113ea43a701fe28d5
SSDEEP

384:bGbzjvr3hIiIvFPjTHyFwQlalQOIsViLG4PjR93Aevr3hIiIvLwzidGzqUl0+Jl:i7GiEFPjq8MsVAVjR9LGiELw+Kl5

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-1-5-21-929662420-1054238289-2961194603-1000\Control Panel\International\Geo\Nation	3fbfd5e3314a32afb0649d2ef3a4905dd6a9847426eca0f96ef88127c5613919.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 4 IoCs

Query Registry

T1012

System Information Discovery

T1082

description	ioc	Process
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\Identifier	3fbfd5e3314a32afb0649d2ef3a4905dd6a9847426eca0f96ef88127c5613919.exe
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

Modifies registry class 1 IoCs

description	ioc	Process
Key created	\REGISTRY\USER\S-1-5-21-929662420-1054238289-2961194603-1000_Classes\Local Settings	3fbfd5e3314a32afb0649d2ef3a4905dd6a9847426eca0f96ef88127c5613919.exe

Suspicious behavior: AddClipboardFormatListener 2 IoCs

pid	Process
2012	WINWORD.EXE
2012	WINWORD.EXE

Suspicious use of SetWindowsHookEx 8 IoCs

pid	Process
2012	WINWORD.EXE
2012	WINWORD.EXE
2012	WINWORD.EXE
2012	WINWORD.EXE
2012	WINWORD.EXE
2012	WINWORD.EXE
2012	WINWORD.EXE
2012	WINWORD.EXE

Suspicious use of WriteProcessMemory 2 IoCs

description	pid	Process	procid_target
PID 3424 wrote to memory of 2012	3424	3fbfd5e3314a32afb0649d2ef3a4905dd6a9847426eca0f96ef88127c5613919.exe	84
PID 3424 wrote to memory of 2012	3424	3fbfd5e3314a32afb0649d2ef3a4905dd6a9847426eca0f96ef88127c5613919.exe	84

C:\Users\Admin\AppData\Local\Temp\3fbfd5e3314a32afb0649d2ef3a4905dd6a9847426eca0f96ef88127c5613919.exe
"C:\Users\Admin\AppData\Local\Temp\3fbfd5e3314a32afb0649d2ef3a4905dd6a9847426eca0f96ef88127c5613919.exe"
1⤵
- Checks computer location settings
- Enumerates system info in registry
- Modifies registry class
- Suspicious use of WriteProcessMemory
PID:3424
- 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\3fbfd5e3314a32afb0649d2ef3a4905dd6a9847426eca0f96ef88127c5613919.rtf" /o ""
  2⤵
  - Checks processor information in registry
  - Enumerates system info in registry
  - Suspicious behavior: AddClipboardFormatListener
  - Suspicious use of SetWindowsHookEx
  PID:2012

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\3fbfd5e3314a32afb0649d2ef3a4905dd6a9847426eca0f96ef88127c5613919.rtf

Filesize
5KB

MD5
409c015cea65938d5ca839566906678a

SHA1
b178759298c8ffcec647be824aecdc57fc64a6b4

SHA256
43f0a92edb5c73d83595fe13370f2c74343e87dcf9f675b80a804e83171b7548

SHA512
ebccb8a0c5907da7eb024965b6b486bbd3da616e2230821dd8a60bbc7e2ca3a571f5fde90e01c3973ba95914c4597ab2d2d4b8fc4309a10ce6780c8120006727

Download Submit
memory/2012-138-0x00007FFFACC30000-0x00007FFFACC40000-memory.dmp

Filesize
64KB

Download
memory/2012-140-0x00007FFFAA5D0000-0x00007FFFAA5E0000-memory.dmp

Filesize
64KB

Download
memory/2012-135-0x00007FFFACC30000-0x00007FFFACC40000-memory.dmp

Filesize
64KB

Download
memory/2012-136-0x00007FFFACC30000-0x00007FFFACC40000-memory.dmp

Filesize
64KB

Download
memory/2012-137-0x00007FFFACC30000-0x00007FFFACC40000-memory.dmp

Filesize
64KB

Download
memory/2012-147-0x00007FFFACC30000-0x00007FFFACC40000-memory.dmp

Filesize
64KB

Download
memory/2012-139-0x00007FFFACC30000-0x00007FFFACC40000-memory.dmp

Filesize
64KB

Download
memory/2012-141-0x00007FFFAA5D0000-0x00007FFFAA5E0000-memory.dmp

Filesize
64KB

Download
memory/2012-146-0x00007FFFACC30000-0x00007FFFACC40000-memory.dmp

Filesize
64KB

Download
memory/2012-144-0x00007FFFACC30000-0x00007FFFACC40000-memory.dmp

Filesize
64KB

Download
memory/2012-145-0x00007FFFACC30000-0x00007FFFACC40000-memory.dmp

Filesize
64KB

Download
memory/3424-133-0x0000000000400000-0x0000000000418000-memory.dmp

Filesize
96KB

Download
memory/3424-132-0x0000000000401000-0x0000000000404000-memory.dmp

Filesize
12KB

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v6

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Downloads