62ec9ff8524f3288e9b5a07ef6f4525d58809048a58ad32512f5a0bda2c1ff7e

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
29/09/2024, 03:32

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General

Target

2024-09-29_aa6b5b638f3d5a9796618fdeed984a36_cryptolocker.exe
Size

48KB
MD5

aa6b5b638f3d5a9796618fdeed984a36
SHA1

b5dd2e437f297a7eb788085f892ee136af2e4d69
SHA256

62ec9ff8524f3288e9b5a07ef6f4525d58809048a58ad32512f5a0bda2c1ff7e
SHA512

23d8df36a269b1073d0a812c7af713a953e5736d6e2b6741dc67b12d4367487f54ed0d22040d1e802e0eb7b15854f1133458c63033f72b6b8ac379dd3e0b0293
SSDEEP

768:V6LsoEEeegiZPvEhHSG+gDYQtOOtEvwDpj/MLaHaMMm2X3dX+D:V6QFElP6n+gMQMOtEvwDpjyaHaXr+D

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-1-5-21-945322488-2060912225-3527527000-1000\Control Panel\International\Geo\Nation	2024-09-29_aa6b5b638f3d5a9796618fdeed984a36_cryptolocker.exe

Executes dropped EXE 1 IoCs

pid	Process
3804	asih.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	2024-09-29_aa6b5b638f3d5a9796618fdeed984a36_cryptolocker.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	asih.exe

Suspicious use of WriteProcessMemory 3 IoCs

description	pid	Process	procid_target
PID 4264 wrote to memory of 3804	4264	2024-09-29_aa6b5b638f3d5a9796618fdeed984a36_cryptolocker.exe	82
PID 4264 wrote to memory of 3804	4264	2024-09-29_aa6b5b638f3d5a9796618fdeed984a36_cryptolocker.exe	82
PID 4264 wrote to memory of 3804	4264	2024-09-29_aa6b5b638f3d5a9796618fdeed984a36_cryptolocker.exe	82

C:\Users\Admin\AppData\Local\Temp\2024-09-29_aa6b5b638f3d5a9796618fdeed984a36_cryptolocker.exe
"C:\Users\Admin\AppData\Local\Temp\2024-09-29_aa6b5b638f3d5a9796618fdeed984a36_cryptolocker.exe"
1⤵
- Checks computer location settings
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:4264
- C:\Users\Admin\AppData\Local\Temp\asih.exe
  "C:\Users\Admin\AppData\Local\Temp\asih.exe"
  2⤵
  - Executes dropped EXE
  - System Location Discovery: System Language Discovery
  PID:3804

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\asih.exe

Filesize
48KB

MD5
663103cf001bdebf174bfeb0c638cac3

SHA1
231ed1644a9ab4b4bbc31953e6a5c16379b427ce

SHA256
12fb501d2f4811d1d779452d3091e0e36712996981f6fef537088f10b7fa7611

SHA512
f7d4d0d3a8a16808b0b5458f7163937f0260aa1900ff9751b3b4ea67acaf8c4521a456b6d1d81f003bbf1809b0f8b1867511860d62ed6a2691c7207f2d8c75d5

Download Submit
memory/3804-17-0x0000000002070000-0x0000000002076000-memory.dmp

Filesize
24KB

Download
memory/3804-23-0x0000000000800000-0x0000000000806000-memory.dmp

Filesize
24KB

Download
memory/4264-0-0x00000000006B0000-0x00000000006B6000-memory.dmp

Filesize
24KB

Download
memory/4264-1-0x00000000006B0000-0x00000000006B6000-memory.dmp

Filesize
24KB

Download
memory/4264-2-0x00000000008A0000-0x00000000008A6000-memory.dmp

Filesize
24KB

Download