acccc451f02d07c8fc8c44897e3fe2871098790727e6e22e2ffaea80e3626874

Analysis

max time kernel
148s
max time network
150s
platform
windows10-2004_x64
resource
win10v2004-20240802-en
resource tags

arch:x64arch:x86image:win10v2004-20240802-enlocale:en-usos:windows10-2004-x64system
submitted
02/10/2024, 02:46

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General

Target

2024-10-02_8654094ff1f045b6c68ab9bf67f6aa41_cryptolocker.exe
Size

63KB
MD5

8654094ff1f045b6c68ab9bf67f6aa41
SHA1

1616381ed8ad4169a33c720836f2c9372640a5ea
SHA256

acccc451f02d07c8fc8c44897e3fe2871098790727e6e22e2ffaea80e3626874
SHA512

365339cd9728b9de63dafac4d7fabcc3ea082a0f655d061420b9f84740a5eacf4c54a6410b66b508e25b1397746daf020c3771c2139a2841a977bc05defa48ce
SSDEEP

1536:btB9g/xtCSKfxLIc//Xr+/AO/kIZ3ft2nVuTKB6nggOlHdUHZnx7B:btng54SMLr+/AO/kIhfoKMHdaL

Score

7^/10

discovery

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

description	ioc	Process
Key value queried	\REGISTRY\USER\S-1-5-21-523280732-2327480845-3730041215-1000\Control Panel\International\Geo\Nation	2024-10-02_8654094ff1f045b6c68ab9bf67f6aa41_cryptolocker.exe

Executes dropped EXE 1 IoCs

pid	Process
1616	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	2024-10-02_8654094ff1f045b6c68ab9bf67f6aa41_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 3776 wrote to memory of 1616	3776	2024-10-02_8654094ff1f045b6c68ab9bf67f6aa41_cryptolocker.exe	82
PID 3776 wrote to memory of 1616	3776	2024-10-02_8654094ff1f045b6c68ab9bf67f6aa41_cryptolocker.exe	82
PID 3776 wrote to memory of 1616	3776	2024-10-02_8654094ff1f045b6c68ab9bf67f6aa41_cryptolocker.exe	82

C:\Users\Admin\AppData\Local\Temp\2024-10-02_8654094ff1f045b6c68ab9bf67f6aa41_cryptolocker.exe
"C:\Users\Admin\AppData\Local\Temp\2024-10-02_8654094ff1f045b6c68ab9bf67f6aa41_cryptolocker.exe"
1⤵
- Checks computer location settings
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:3776
- C:\Users\Admin\AppData\Local\Temp\gewos.exe
  "C:\Users\Admin\AppData\Local\Temp\gewos.exe"
  2⤵
  - Executes dropped EXE
  - System Location Discovery: System Language Discovery
  PID:1616

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

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Downloads

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

Filesize
64KB

MD5
66600c516e3ebaf9088cc0200ac34b39

SHA1
d9c416dd33d23420db285e9520bd820429570921

SHA256
ede0c873f2eb81c63f7fd8bf1453f23e883421b2081804963c5fd2dcbb03a518

SHA512
5f849e51f471603fee34471b656891d2c7509ac99f4c8e1bcfe8b92e07166d6f3d630707d69b5d8ebfed13d1e05c65535d6a6b631853122109f9e410c18065cc

Download Submit
memory/1616-25-0x0000000002180000-0x0000000002186000-memory.dmp

Filesize
24KB

Download
memory/3776-0-0x0000000002340000-0x0000000002346000-memory.dmp

Filesize
24KB

Download
memory/3776-1-0x0000000002340000-0x0000000002346000-memory.dmp

Filesize
24KB

Download
memory/3776-2-0x0000000000400000-0x0000000000406000-memory.dmp

Filesize
24KB

Download