f04507b82074f96a8e4e9f6651abf5640105be486803386a0837a042b8e74efd

Analysis

max time kernel
422s
max time network
461s
platform
windows10-2004_x64
resource
win10v2004-20221111-en
resource tags

arch:x64arch:x86image:win10v2004-20221111-enlocale:en-usos:windows10-2004-x64system
submitted
04/12/2022, 04:04

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General

Target

f04507b82074f96a8e4e9f6651abf5640105be486803386a0837a042b8e74efd.exe
Size

566KB
MD5

9d9f2a9a31bc654ee941120680b287f4
SHA1

b969e99f7b05c3134f8b8fb0f8a38599a877d8cb
SHA256

f04507b82074f96a8e4e9f6651abf5640105be486803386a0837a042b8e74efd
SHA512

c7c1945c425c90caf8ddfb80c0570bf4cf6a098ae27bbe87ae18bb15a9f6103d5bfe1900aaca820bafc367bdf8e0f76e0dcb573fd9e92f1855e90be1cc2d5617
SSDEEP

6144:OWlMpTJ/p+CvMxcTS8aM7gMWIFrwvabzeEy44TyQOI5JgpcvqNplc1zIZRXkXgw/:JM/k0M3PErwEzy9T0Iw5pbZH4lYsa

Score

8^/10

Malware Config

Signatures

Executes dropped EXE 1 IoCs

pid	Process
4900	ssasa.exe

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-1-5-21-2971393436-602173351-1645505021-1000\Control Panel\International\Geo\Nation	f04507b82074f96a8e4e9f6651abf5640105be486803386a0837a042b8e74efd.exe

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

System Information Discovery
T1082

Suspicious use of SetWindowsHookEx 1 IoCs

pid	Process
4900	ssasa.exe

Suspicious use of WriteProcessMemory 3 IoCs

description	pid	Process	procid_target
PID 1776 wrote to memory of 4900	1776	f04507b82074f96a8e4e9f6651abf5640105be486803386a0837a042b8e74efd.exe	80
PID 1776 wrote to memory of 4900	1776	f04507b82074f96a8e4e9f6651abf5640105be486803386a0837a042b8e74efd.exe	80
PID 1776 wrote to memory of 4900	1776	f04507b82074f96a8e4e9f6651abf5640105be486803386a0837a042b8e74efd.exe	80

C:\Users\Admin\AppData\Local\Temp\f04507b82074f96a8e4e9f6651abf5640105be486803386a0837a042b8e74efd.exe
"C:\Users\Admin\AppData\Local\Temp\f04507b82074f96a8e4e9f6651abf5640105be486803386a0837a042b8e74efd.exe"
1⤵
- Checks computer location settings
- Suspicious use of WriteProcessMemory
PID:1776
- C:\Users\Admin\AppData\Local\Temp\~sfx005F909C58\ssasa.exe
  "C:\Users\Admin\AppData\Local\Temp\~sfx005F909C58\ssasa.exe"
  2⤵
  - Executes dropped EXE
  - Suspicious use of SetWindowsHookEx
  PID:4900

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

C:\Users\Admin\AppData\Local\Temp\~sfx005F909C58\ssasa.exe

Filesize
208KB

MD5
c07a56007b21ebb07521f68b909b87ab

SHA1
be75ae7024bd01c594d6ae6f2953245c8cbbd513

SHA256
326b10976ea06a8571ef0397f69a975c1cfd681f40421ff8dd3e38faa0cd9b75

SHA512
615f2ad5850f88f154f08fd8f6d51ac139dbade7e84b0aa67c22a7a6461d1f7c8b03a1bb386dd9297226244a0dfcb8ac7e858aea23afbd402d79325d3a9db99e

Download Submit
C:\Users\Admin\AppData\Local\Temp\~sfx005F909C58\ssasa.exe

Filesize
208KB

MD5
c07a56007b21ebb07521f68b909b87ab

SHA1
be75ae7024bd01c594d6ae6f2953245c8cbbd513

SHA256
326b10976ea06a8571ef0397f69a975c1cfd681f40421ff8dd3e38faa0cd9b75

SHA512
615f2ad5850f88f154f08fd8f6d51ac139dbade7e84b0aa67c22a7a6461d1f7c8b03a1bb386dd9297226244a0dfcb8ac7e858aea23afbd402d79325d3a9db99e

Download Submit