812db69684399372a4c38e7e6b52b8192456f9da167e8690bd8c876caff9e64b

Analysis

max time kernel
94s
max time network
125s
platform
windows10-2004_x64
resource
win10v2004-20240802-en
resource tags

arch:x64arch:x86image:win10v2004-20240802-enlocale:en-usos:windows10-2004-x64system
submitted
14/09/2024, 09:33

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General

Target

2024-09-14_9c5e14137d3c6dde9cf4e5a2ff616d25_cryptolocker.exe
Size

63KB
MD5

9c5e14137d3c6dde9cf4e5a2ff616d25
SHA1

f835247ba5cd50ad1aac2d4f393443126609077b
SHA256

812db69684399372a4c38e7e6b52b8192456f9da167e8690bd8c876caff9e64b
SHA512

e0a6de5dc5e0ac79d3f88c2ab017f13e474637962221d067abc7677ce66714d5f7e3314bfb74bf2bcce1515661b04d1f61ac9635148255bfa7c0738c3736a6d5
SSDEEP

1536:btB9g/xtCSKfxLIc//Xr+/AO/kIZ3ft2nVuTKB6nggOlHdUHZno:btng54SMLr+/AO/kIhfoKMHdao

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-1-5-21-2412658365-3084825385-3340777666-1000\Control Panel\International\Geo\Nation	2024-09-14_9c5e14137d3c6dde9cf4e5a2ff616d25_cryptolocker.exe
Key value queried	\REGISTRY\USER\S-1-5-21-2412658365-3084825385-3340777666-1000\Control Panel\International\Geo\Nation	gewos.exe

Executes dropped EXE 1 IoCs

pid	Process
4464	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	2024-09-14_9c5e14137d3c6dde9cf4e5a2ff616d25_cryptolocker.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	gewos.exe

Suspicious use of WriteProcessMemory 3 IoCs

description	pid	Process	procid_target
PID 1232 wrote to memory of 4464	1232	2024-09-14_9c5e14137d3c6dde9cf4e5a2ff616d25_cryptolocker.exe	85
PID 1232 wrote to memory of 4464	1232	2024-09-14_9c5e14137d3c6dde9cf4e5a2ff616d25_cryptolocker.exe	85
PID 1232 wrote to memory of 4464	1232	2024-09-14_9c5e14137d3c6dde9cf4e5a2ff616d25_cryptolocker.exe	85

C:\Users\Admin\AppData\Local\Temp\2024-09-14_9c5e14137d3c6dde9cf4e5a2ff616d25_cryptolocker.exe
"C:\Users\Admin\AppData\Local\Temp\2024-09-14_9c5e14137d3c6dde9cf4e5a2ff616d25_cryptolocker.exe"
1⤵
- Checks computer location settings
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:1232
- 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:4464

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
63KB

MD5
1e7defab17e447ff2ce4110c8ec14fb5

SHA1
e57850055ae0fc16f74c9a9b1f84ab6936ff5b45

SHA256
315379647f0cde42571054d971f59bee9be774b15e00ada147809c7ea1290a73

SHA512
a5fe6e3edddf4d299e62ea8578861c24f58b017fb6470018c32a529641662c38df8af2ab76d6adf87b546a894b222a1eeb0c29d48b11b9cddcc686a315d5d042

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

Filesize
184B

MD5
5720ecc5208fd38fe2739d31412100c8

SHA1
bcd69e012c0e0161cc316e161bb1c088e4a7ef08

SHA256
91e798990183d0d009913c651dd1c1fc0ac2eb49f87154984af0d743f3b8deae

SHA512
5b36daf97d48beec12f0c260b2b3912078ebe0a36304b0afb214818beb51367151f0408a5f2a6b785ff74c4ac1f72243d78055f28e5b4d3784cdb2f71fedff0b

Download Submit
memory/1232-0-0x00000000021D0000-0x00000000021D6000-memory.dmp

Filesize
24KB

Download
memory/1232-1-0x00000000021D0000-0x00000000021D6000-memory.dmp

Filesize
24KB

Download
memory/1232-2-0x0000000000400000-0x0000000000406000-memory.dmp

Filesize
24KB

Download
memory/4464-25-0x0000000002210000-0x0000000002216000-memory.dmp

Filesize
24KB

Download