8a3c53bf3d82326a58eb191b8036f00ea1892da34311195f7daa0b81301a049b

Analysis

max time kernel
149s
max time network
151s
platform
windows10-2004_x64
resource
win10v2004-20240508-en
resource tags

arch:x64arch:x86image:win10v2004-20240508-enlocale:en-usos:windows10-2004-x64system
submitted
26/05/2024, 03:49

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General

Target
8a3c53bf3d82326a58eb191b8036f00ea1892da34311195f7daa0b81301a049b.exe
Size 62KB
Sample240526-edb1haee82
SHA256 8a3c53bf3d82326a58eb191b8036f00ea1892da34311195f7daa0b81301a049b
MD5 88aa0a87ee57c61d3f92524b7d43dfe2
SHA1 703c9d57d24e11a422c1af2005d838af625de655
SHA512 a284e4e8bfdfffbd8807b231e4d169383760ae01705b36c18e7134fa3cd26e9d9c465613b1c42a69e4866ef823b190bdbb7c63a9f5dcebb8dbad6cb944a1d814
SSDEEP 1536:btB9g/xtCSKfxLIc//Xr+/AO/kIZ3ft2nVuTKB6nggOlHdUHZnxF:btng54SMLr+/AO/kIhfoKMHdaz
MD5 SHA1 SHA512 SSDEEP

Score

7^/10

Malware Config

Signatures

Checks computer location settings 2 TTPs 2 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-1-5-21-4124900551-4068476067-3491212533-1000\Control Panel\International\Geo\Nation	8a3c53bf3d82326a58eb191b8036f00ea1892da34311195f7daa0b81301a049b.exe
Key value queried	\REGISTRY\USER\S-1-5-21-4124900551-4068476067-3491212533-1000\Control Panel\International\Geo\Nation	gewos.exe

Executes dropped EXE 1 IoCs

pid	Process
2676	gewos.exe

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

System Information Discovery
T1082

Suspicious use of WriteProcessMemory 3 IoCs

description	pid	Process	procid_target
PID 2708 wrote to memory of 2676	2708	8a3c53bf3d82326a58eb191b8036f00ea1892da34311195f7daa0b81301a049b.exe	83
PID 2708 wrote to memory of 2676	2708	8a3c53bf3d82326a58eb191b8036f00ea1892da34311195f7daa0b81301a049b.exe	83
PID 2708 wrote to memory of 2676	2708	8a3c53bf3d82326a58eb191b8036f00ea1892da34311195f7daa0b81301a049b.exe	83

C:\Users\Admin\AppData\Local\Temp\8a3c53bf3d82326a58eb191b8036f00ea1892da34311195f7daa0b81301a049b.exe
"C:\Users\Admin\AppData\Local\Temp\8a3c53bf3d82326a58eb191b8036f00ea1892da34311195f7daa0b81301a049b.exe"
1⤵
- Checks computer location settings
- Suspicious use of WriteProcessMemory
PID:2708
- C:\Users\Admin\AppData\Local\Temp\gewos.exe
  "C:\Users\Admin\AppData\Local\Temp\gewos.exe"
  2⤵
  - Checks computer location settings
  - Executes dropped EXE
  PID:2676

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

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

gewos.exe

Path C:\Users\Admin\AppData\Local\Temp\gewos.exe
Size 62KB
SHA256 a0d75c0519336769baa64e6ceab9631f9485928584c6845731641efd52259cf4
MD5 18069b46fa447c3e07ed33ff887a08b2
SHA1 0988e7fd7fa657091bfd0090ac9bfb303d37041e
SHA512 b78e0f1c685b0baf38d3b793579fb9369ad23872512cdda8a9fe8d34a492e51bd8e633a206a8c573d5904a8dce48faac38462f84e6271ab056328e47b1e34de4
SSDEEP 1536:btB9g/xtCSKfxLIc//Xr+/AO/kIZ3ft2nVuTKB6nggOlHdUHZnxuI:btng54SMLr+/AO/kIhfoKMHda7
MD5 SHA1 SHA512 SSDEEP

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gewosik.exe

Path C:\Users\Admin\AppData\Local\Temp\gewosik.exe
Size 185B
SHA256 a136a03ce706abc14f553c9fc3353a6a476f8102c3dea6192b575fbeb496b805
MD5 40d343a73722f72616e709f6e0ccbb55
SHA1 4b85714688e285c16f2c917e585567d727af12bf
SHA512 3bc3363cb51c100ce7f4e93303554887f4310cd814d985e79bb1cb185e5159024f446a54439d52a3992129892fbedfe69e1c5abe9f314f300741e93d30d4c8f9
MD5 SHA1 SHA512

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memory/2676-25-0x0000000002090000-0x0000000002096000-memory.dmp

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memory/2708-0-0x00000000007C0000-0x00000000007C6000-memory.dmp

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memory/2708-1-0x0000000000400000-0x0000000000406000-memory.dmp

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memory/2708-8-0x00000000007C0000-0x00000000007C6000-memory.dmp

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Analysis

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General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads