41e35329a35fed68ef6a97f932fbfed79815569e38034d32f32c381e2da0896e

Analysis

max time kernel
144s
max time network
82s
platform
windows10-2004_x64
resource
win10v2004-20231215-en
resource tags

arch:x64arch:x86image:win10v2004-20231215-enlocale:en-usos:windows10-2004-x64system
submitted
09/01/2024, 06:41

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General

Target

2024-01-08_620546cd56816563ccc974bf4fc26286_cryptolocker.exe
Size

58KB
MD5

620546cd56816563ccc974bf4fc26286
SHA1

485a65fd31e0a36fa8341c1468d9c010a30cf6a9
SHA256

41e35329a35fed68ef6a97f932fbfed79815569e38034d32f32c381e2da0896e
SHA512

b475ea918cf4b9a976260aba77378def6fbfdff75e0faa0796c40511c39d9fa64ad0eb8526bd58efcde7bd7fcbf9a6703a1f903b49be79b849836fe284fe4fb4
SSDEEP

768:V6LsoEEeegiZPvEhHSG+gDYQtOOtEvwDpj/MLa5VccPt547/GfC:V6QFElP6n+gMQMOtEvwDpjyaLccVCbmC

Score

7^/10

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-1-5-21-1497073144-2389943819-3385106915-1000\Control Panel\International\Geo\Nation	2024-01-08_620546cd56816563ccc974bf4fc26286_cryptolocker.exe

Executes dropped EXE 1 IoCs

pid	Process
1412	asih.exe

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

System Information Discovery
T1082

Suspicious use of WriteProcessMemory 3 IoCs

description	pid	Process	procid_target
PID 4848 wrote to memory of 1412	4848	2024-01-08_620546cd56816563ccc974bf4fc26286_cryptolocker.exe	81
PID 4848 wrote to memory of 1412	4848	2024-01-08_620546cd56816563ccc974bf4fc26286_cryptolocker.exe	81
PID 4848 wrote to memory of 1412	4848	2024-01-08_620546cd56816563ccc974bf4fc26286_cryptolocker.exe	81

C:\Users\Admin\AppData\Local\Temp\2024-01-08_620546cd56816563ccc974bf4fc26286_cryptolocker.exe
"C:\Users\Admin\AppData\Local\Temp\2024-01-08_620546cd56816563ccc974bf4fc26286_cryptolocker.exe"
1⤵
- Checks computer location settings
- Suspicious use of WriteProcessMemory
PID:4848
- C:\Users\Admin\AppData\Local\Temp\asih.exe
  "C:\Users\Admin\AppData\Local\Temp\asih.exe"
  2⤵
  - Executes dropped EXE
  PID:1412

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

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

Replay Monitor

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Downloads

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

Filesize
58KB

MD5
2cde2898b9a9f1f0cd447428af0b1521

SHA1
dc74314225b334b7b06c25c3b5e471c7424be979

SHA256
9340e6fe8911162b58c85d9fc0cd43d08776e305cf0b8974e28fd2b13c26b589

SHA512
d5133913a7d56072a06686488e2f922994f17b7f74300e19d1802b948c51a221d9b3e5c35cfd539cd20c62519531e9838c669bc6276e6aa065f52d85bb5f39c0

Download Submit
memory/1412-19-0x00000000006A0000-0x00000000006A6000-memory.dmp

Filesize
24KB

Download
memory/1412-17-0x00000000007D0000-0x00000000007D6000-memory.dmp

Filesize
24KB

Download
memory/4848-0-0x00000000006B0000-0x00000000006B6000-memory.dmp

Filesize
24KB

Download
memory/4848-2-0x0000000002070000-0x0000000002076000-memory.dmp

Filesize
24KB

Download
memory/4848-1-0x00000000006B0000-0x00000000006B6000-memory.dmp

Filesize
24KB

Download