3ab67e4379f952c80ad29e79b0b287052f810c49f9ea2a8aca888857dd00de57

Analysis

max time kernel
148s
max time network
154s
platform
windows10-2004_x64
resource
win10v2004-20241007-en
resource tags

arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-x64system
submitted
18/10/2024, 08:32

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General

Target

2024-10-18_cefb5a4eeeaa06ad627209fce6601a08_cryptolocker.exe
Size

64KB
MD5

cefb5a4eeeaa06ad627209fce6601a08
SHA1

2110976a48ca0efeabf0e478a5ee1de4a603f7e3
SHA256

3ab67e4379f952c80ad29e79b0b287052f810c49f9ea2a8aca888857dd00de57
SHA512

c34aaa600332b8a9862700e3b0c344a33749d257674019262c0eded770e41932e5105a78746a5851d31e1af013c41c5627193a26824b56c495f1580b98578b83
SSDEEP

1536:btB9g/xtCSKfxLIc//Xr+/AO/kIZ3ft2nVuTKB6nggOlHdUHZnT5o:btng54SMLr+/AO/kIhfoKMHdaW

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-1-5-21-3350944739-639801879-157714471-1000\Control Panel\International\Geo\Nation	2024-10-18_cefb5a4eeeaa06ad627209fce6601a08_cryptolocker.exe

Executes dropped EXE 1 IoCs

pid	Process
336	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	2024-10-18_cefb5a4eeeaa06ad627209fce6601a08_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 3288 wrote to memory of 336	3288	2024-10-18_cefb5a4eeeaa06ad627209fce6601a08_cryptolocker.exe	86
PID 3288 wrote to memory of 336	3288	2024-10-18_cefb5a4eeeaa06ad627209fce6601a08_cryptolocker.exe	86
PID 3288 wrote to memory of 336	3288	2024-10-18_cefb5a4eeeaa06ad627209fce6601a08_cryptolocker.exe	86

C:\Users\Admin\AppData\Local\Temp\2024-10-18_cefb5a4eeeaa06ad627209fce6601a08_cryptolocker.exe
"C:\Users\Admin\AppData\Local\Temp\2024-10-18_cefb5a4eeeaa06ad627209fce6601a08_cryptolocker.exe"
1⤵
- Checks computer location settings
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:3288
- 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:336

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
65KB

MD5
abc31dead9d17ac6ab9185e1dbe1115e

SHA1
ea9464923f0062da386a8471c7781e8818cf3a7e

SHA256
4ecddeba8e96ef874a91698e5811e5a2ce37c249a665f0d1da3d95d4afd45e85

SHA512
6803ef4be5ee13833b123e7dbda35f8a80d5bec672e784e96859ca1c88cc669000a9edd8b2052507d7cf4ee1a551bcea6e5026f4b573e4477993f1738241446d

Download Submit
memory/336-25-0x0000000002110000-0x0000000002116000-memory.dmp

Filesize
24KB

Download
memory/3288-0-0x00000000021D0000-0x00000000021D6000-memory.dmp

Filesize
24KB

Download
memory/3288-1-0x00000000021D0000-0x00000000021D6000-memory.dmp

Filesize
24KB

Download
memory/3288-2-0x0000000000400000-0x0000000000406000-memory.dmp

Filesize
24KB

Download