e02f3734666a46e8b4fdb26c5428c0b7975afd3d3e84b86ace8b77402dbe8f13

Analysis

max time kernel
93s
max time network
140s
platform
windows10-2004_x64
resource
win10v2004-20241007-en
resource tags

arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-x64system
submitted
21/11/2024, 10:02

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General

Target

e02f3734666a46e8b4fdb26c5428c0b7975afd3d3e84b86ace8b77402dbe8f13.exe
Size

64KB
MD5

940274e409d567690eb1b94956a9b6d5
SHA1

85180192edc6b064b60c2712b1326f8b01380a08
SHA256

e02f3734666a46e8b4fdb26c5428c0b7975afd3d3e84b86ace8b77402dbe8f13
SHA512

b6531dbdbaa1b27d8f1da1edf9aae212fb9f5b46f2317fe42f51dfe64f9a7dd2a85b0aaf73c72c2ecd78d170da9599d6e55d598ca3bfe3e56b5f3f51cd250ead
SSDEEP

1536:btB9g/xtCSKfxLIc//Xr+/AO/kIZ3ft2nVuTKB6nggOlHdUHZnTZ:btng54SMLr+/AO/kIhfoKMHdaV

Score

7^/10

discovery

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-1-5-21-493223053-2004649691-1575712786-1000\Control Panel\International\Geo\Nation	e02f3734666a46e8b4fdb26c5428c0b7975afd3d3e84b86ace8b77402dbe8f13.exe
Key value queried	\REGISTRY\USER\S-1-5-21-493223053-2004649691-1575712786-1000\Control Panel\International\Geo\Nation	gewos.exe

Executes dropped EXE 1 IoCs

pid	Process
1876	gewos.exe

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

System Information Discovery
T1082

System Location Discovery: System Language Discovery 1 TTPs 2 IoCs

Attempt gather information about the system language of a victim in order to infer the geographical location of that host.

discovery

System Language Discovery

T1614.001

description	ioc	Process
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	e02f3734666a46e8b4fdb26c5428c0b7975afd3d3e84b86ace8b77402dbe8f13.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	gewos.exe

Suspicious use of WriteProcessMemory 3 IoCs

description	pid	Process	procid_target
PID 2964 wrote to memory of 1876	2964	e02f3734666a46e8b4fdb26c5428c0b7975afd3d3e84b86ace8b77402dbe8f13.exe	83
PID 2964 wrote to memory of 1876	2964	e02f3734666a46e8b4fdb26c5428c0b7975afd3d3e84b86ace8b77402dbe8f13.exe	83
PID 2964 wrote to memory of 1876	2964	e02f3734666a46e8b4fdb26c5428c0b7975afd3d3e84b86ace8b77402dbe8f13.exe	83

C:\Users\Admin\AppData\Local\Temp\e02f3734666a46e8b4fdb26c5428c0b7975afd3d3e84b86ace8b77402dbe8f13.exe
"C:\Users\Admin\AppData\Local\Temp\e02f3734666a46e8b4fdb26c5428c0b7975afd3d3e84b86ace8b77402dbe8f13.exe"
1⤵
- Checks computer location settings
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:2964
- C:\Users\Admin\AppData\Local\Temp\gewos.exe
  "C:\Users\Admin\AppData\Local\Temp\gewos.exe"
  2⤵
  - Checks computer location settings
  - Executes dropped EXE
  - System Location Discovery: System Language Discovery
  PID:1876

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

System Location Discovery

T1614

System Language Discovery

T1614.001

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

Replay Monitor

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Downloads

C:\Users\Admin\AppData\Local\Temp\gewos.exe

Filesize
64KB

MD5
0a14b3a056d51c5211c034c930c7b588

SHA1
914c7d0917d634e66515f38eddd92730b2e46518

SHA256
35363e65afa755e8b15c788cbf203ff72debafb22335dec339b8e5985556dc69

SHA512
413c29525a3d43b4cb12dc6350d2e81a5b7e430376c08cfa833cddb9d479d466f56178887688583fb74f5859ad63c20b852db05da2fea2c7813a20198877cf78

Download Submit
C:\Users\Admin\AppData\Local\Temp\gewosik.exe

Filesize
185B

MD5
1ffd99714a68116278bd2484bcf0ef0b

SHA1
77d7c05170c2071ea38a7832a1ec4eb8514deb04

SHA256
d74f42c6fee1431f797dc26220ee64b94d5a247c0de4cfd2d28e36456ae1cc82

SHA512
8cd87cff23ea10bcc81da3a2bae468badd7b7ed8dcb93cf739f601f0cdfebd77d7a30d0e482e4331abcd45b18b832fa9bb80329e2ee79a5cbf83d9ec0e13e844

Download Submit
memory/1876-19-0x0000000002200000-0x0000000002206000-memory.dmp

Filesize
24KB

Download
memory/2964-0-0x0000000002350000-0x0000000002356000-memory.dmp

Filesize
24KB

Download
memory/2964-1-0x0000000002350000-0x0000000002356000-memory.dmp

Filesize
24KB

Download
memory/2964-2-0x0000000000400000-0x0000000000406000-memory.dmp

Filesize
24KB

Download