4dfc9f8e7cf7a045edd0f51a72881770a0f05bf63be6f81c2a6e7afd0a10bd42

General

Target

4dfc9f8e7cf7a045edd0f51a72881770a0f05bf63be6f81c2a6e7afd0a10bd42.exe
Size

664KB
MD5

3d244b4bdbdef6b5932daeffcff956c1
SHA1

f9fba06b0a7d9cae9479e85cdf3f1f088bca6b24
SHA256

4dfc9f8e7cf7a045edd0f51a72881770a0f05bf63be6f81c2a6e7afd0a10bd42
SHA512

49ce925e718033b4de7962a2c3e24466aef94112070b29e95c00374b92d6ffa4d942473ac3eec5faaaef92b1d83ef563be087c38157e7f89399b255766200788
SSDEEP

12288:pYIW0p98Oh8P7h8Kn4AqMotLv8tuqZNLlgjOETn4/5BWpUohOqH:dW298E8uKTs8bZNLlgjOETn4/5BWpUoD

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

Processes:

46AE.tmp

description ioc process

Key value queried \REGISTRY\USER\S-1-5-21-1337824034-2731376981-3755436523-1000\Control Panel\International\Geo\Nation 46AE.tmp
Executes dropped EXE 1 IoCs

Processes:

46AE.tmp

pid process

932 46AE.tmp
Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s).

System Information Discovery
T1082

description	ioc	process
Key value queried	\REGISTRY\USER\S-1-5-21-1337824034-2731376981-3755436523-1000\Control Panel\International\Geo\Nation	46AE.tmp

pid	process
932	46AE.tmp

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 value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0\ProcessorNameString	WINWORD.EXE
Key opened	\REGISTRY\MACHINE\Hardware\Description\System\CentralProcessor\0	WINWORD.EXE
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0\~MHz	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

Modifies registry class 1 IoCs

Processes:

46AE.tmp

description ioc process

Key created \REGISTRY\USER\S-1-5-21-1337824034-2731376981-3755436523-1000_Classes\Local Settings 46AE.tmp
Suspicious behavior: AddClipboardFormatListener 2 IoCs

Processes:

WINWORD.EXE

pid process

2680 WINWORD.EXE
2680 WINWORD.EXE
Suspicious behavior: RenamesItself 1 IoCs

Processes:

46AE.tmp

pid process

932 46AE.tmp

description	ioc	process
Key created	\REGISTRY\USER\S-1-5-21-1337824034-2731376981-3755436523-1000_Classes\Local Settings	46AE.tmp

pid	process
932	46AE.tmp

Suspicious use of SetWindowsHookEx 10 IoCs

Processes:

WINWORD.EXE

pid	process
2680	WINWORD.EXE
2680	WINWORD.EXE
2680	WINWORD.EXE
2680	WINWORD.EXE
2680	WINWORD.EXE
2680	WINWORD.EXE
2680	WINWORD.EXE
2680	WINWORD.EXE
2680	WINWORD.EXE
2680	WINWORD.EXE

Suspicious use of WriteProcessMemory 5 IoCs

Processes:

4dfc9f8e7cf7a045edd0f51a72881770a0f05bf63be6f81c2a6e7afd0a10bd42.exe46AE.tmp

description	pid	process	target process
PID 4976 wrote to memory of 932	4976	4dfc9f8e7cf7a045edd0f51a72881770a0f05bf63be6f81c2a6e7afd0a10bd42.exe	46AE.tmp
PID 4976 wrote to memory of 932	4976	4dfc9f8e7cf7a045edd0f51a72881770a0f05bf63be6f81c2a6e7afd0a10bd42.exe	46AE.tmp
PID 4976 wrote to memory of 932	4976	4dfc9f8e7cf7a045edd0f51a72881770a0f05bf63be6f81c2a6e7afd0a10bd42.exe	46AE.tmp
PID 932 wrote to memory of 2680	932	46AE.tmp	WINWORD.EXE
PID 932 wrote to memory of 2680	932	46AE.tmp	WINWORD.EXE

Uses Task Scheduler COM API 1 TTPs
The Task Scheduler COM API can be used to schedule applications to run on boot or at set times.
persistence

Query Registry
T1012
Uses Volume Shadow Copy WMI provider
The Volume Shadow Copy service is used to manage backups/snapshots.
ransomware
Uses Volume Shadow Copy service COM API
The Volume Shadow Copy service is used to manage backups/snapshots.
ransomware

C:\Users\Admin\AppData\Local\Temp\4dfc9f8e7cf7a045edd0f51a72881770a0f05bf63be6f81c2a6e7afd0a10bd42.exe
"C:\Users\Admin\AppData\Local\Temp\4dfc9f8e7cf7a045edd0f51a72881770a0f05bf63be6f81c2a6e7afd0a10bd42.exe"
1⤵
- Suspicious use of WriteProcessMemory
PID:4976
- C:\Users\Admin\AppData\Local\Temp\46AE.tmp
  "C:\Users\Admin\AppData\Local\Temp\46AE.tmp" --pingC:\Users\Admin\AppData\Local\Temp\4dfc9f8e7cf7a045edd0f51a72881770a0f05bf63be6f81c2a6e7afd0a10bd42.exe 94500BC248169CE23FBD11D93F988E2191CF6C157BE2CD9BD4A4236BB2026B67388BCA3959782C94AB4F571F40B603A6B48060BD7C43B9EAFD7087D7F32E387B
  2⤵
  - Checks computer location settings
  - Executes dropped EXE
  - Modifies registry class
  - Suspicious behavior: RenamesItself
  - Suspicious use of WriteProcessMemory
  PID:932
- - 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\4dfc9f8e7cf7a045edd0f51a72881770a0f05bf63be6f81c2a6e7afd0a10bd42.docx" /o ""
    3⤵
    - Checks processor information in registry
    - Enumerates system info in registry
    - Suspicious behavior: AddClipboardFormatListener
    - Suspicious use of SetWindowsHookEx
    PID:2680

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Credential Access

Discovery

Query Registry

4

T1012

System Information Discovery

4

T1082

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

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Downloads

C:\Users\Admin\AppData\Local\Temp\46AE.tmp

Filesize
664KB

MD5
28a23c8cee2d2317092ed55e16278d9f

SHA1
95c0c876e57a745cf37d645c96802c22fd58a51d

SHA256
ce971a2ae804aa2ee4c5daf02a7df6b23b11ee6756f10daf3b3957237b8a22df

SHA512
29b1c04ee573761a00cd05227e42f7c783473fccdf2890a96001c3bd600136485479f38006fd61c58d6e8e10a86da10c3cbc5ac989ebc2466b8cd3bf8ff960be

Download Submit
C:\Users\Admin\AppData\Local\Temp\4dfc9f8e7cf7a045edd0f51a72881770a0f05bf63be6f81c2a6e7afd0a10bd42.docx

Filesize
21KB

MD5
7079891932a64f097abafd233055a1e9

SHA1
246d95feafe67689d49a5a4cadba18d3ac1914e5

SHA256
c97189b50e5e92be09966d4732b6d61a2e435b2935d60c09989e555ae442e7a1

SHA512
6e9ee6427d7cc2474dc634b088cf3f35d06dfb734d2b63fbbc794f4083b4b5754379daff4804bf5024b1b430aa5e50fa6d839d3473ceeed3043d373c85e9862a

Download Submit
memory/2680-9-0x00007FFC79990000-0x00007FFC799A0000-memory.dmp

Filesize
64KB

Download
memory/2680-11-0x00007FFC79990000-0x00007FFC799A0000-memory.dmp

Filesize
64KB

Download
memory/2680-10-0x00007FFC79990000-0x00007FFC799A0000-memory.dmp

Filesize
64KB

Download
memory/2680-12-0x00007FFCB99AD000-0x00007FFCB99AE000-memory.dmp

Filesize
4KB

Download
memory/2680-13-0x00007FFC79990000-0x00007FFC799A0000-memory.dmp

Filesize
64KB

Download
memory/2680-14-0x00007FFCB9910000-0x00007FFCB9B05000-memory.dmp

Filesize
2.0MB

Download
memory/2680-15-0x00007FFCB9910000-0x00007FFCB9B05000-memory.dmp

Filesize
2.0MB

Download
memory/2680-16-0x00007FFC79990000-0x00007FFC799A0000-memory.dmp

Filesize
64KB

Download
memory/2680-17-0x00007FFCB9910000-0x00007FFCB9B05000-memory.dmp

Filesize
2.0MB

Download
memory/2680-18-0x00007FFC77820000-0x00007FFC77830000-memory.dmp

Filesize
64KB

Download
memory/2680-19-0x00007FFC77820000-0x00007FFC77830000-memory.dmp

Filesize
64KB

Download
memory/2680-35-0x00007FFCB9910000-0x00007FFCB9B05000-memory.dmp

Filesize
2.0MB

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads