34ce182763063305a80de20fd1e96bc0ba736442e2b7cadc31c506ba5499ef2d

Analysis

max time kernel
150s
max time network
150s
platform
windows10-2004_x64
resource
win10v2004-20240419-en
resource tags

arch:x64arch:x86image:win10v2004-20240419-enlocale:en-usos:windows10-2004-x64system
submitted
27/04/2024, 02:30

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General

Target

2024-04-27_dbeea475783da046daf880ce5a063b8e_cryptolocker.exe
Size

96KB
MD5

dbeea475783da046daf880ce5a063b8e
SHA1

37d15fa2633ae7a4e9ae9a0ca3bd8aaf3289680d
SHA256

34ce182763063305a80de20fd1e96bc0ba736442e2b7cadc31c506ba5499ef2d
SHA512

ba88e316715e29b820d28a2ca7cc06da0ccbe30e2e1455902210445051198b1d1943a2fa6fe5fd81b12e1d843e87415d29ef3aa37af47de417affdd8b4db08fa
SSDEEP

1536:V6QFElP6n+gMQMOtEvwDpjQGYQbN/PKwNgp0N:V6a+pOtEvwDpjtzl

Score

9^/10

Malware Config

Signatures

Detection of CryptoLocker Variants 1 IoCs

resource	yara_rule
behavioral2/files/0x000d000000023b23-12.dat	CryptoLocker_rule2

Detection of Cryptolocker Samples 1 IoCs

resource	yara_rule
behavioral2/files/0x000d000000023b23-12.dat	CryptoLocker_set1

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-1-5-21-2860750803-256193626-1801997576-1000\Control Panel\International\Geo\Nation	2024-04-27_dbeea475783da046daf880ce5a063b8e_cryptolocker.exe

Executes dropped EXE 1 IoCs

pid	Process
916	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 3268 wrote to memory of 916	3268	2024-04-27_dbeea475783da046daf880ce5a063b8e_cryptolocker.exe	83
PID 3268 wrote to memory of 916	3268	2024-04-27_dbeea475783da046daf880ce5a063b8e_cryptolocker.exe	83
PID 3268 wrote to memory of 916	3268	2024-04-27_dbeea475783da046daf880ce5a063b8e_cryptolocker.exe	83

C:\Users\Admin\AppData\Local\Temp\2024-04-27_dbeea475783da046daf880ce5a063b8e_cryptolocker.exe
"C:\Users\Admin\AppData\Local\Temp\2024-04-27_dbeea475783da046daf880ce5a063b8e_cryptolocker.exe"
1⤵
- Checks computer location settings
- Suspicious use of WriteProcessMemory
PID:3268
- C:\Users\Admin\AppData\Local\Temp\asih.exe
  "C:\Users\Admin\AppData\Local\Temp\asih.exe"
  2⤵
  - Executes dropped EXE
  PID:916

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
96KB

MD5
0892b7522826aacc5de8eee55e3f705d

SHA1
69b41a0441046e9b11862eb0a81d22adf2e3b411

SHA256
ee599c132c82928ff027a61f8ab66d53aea4a56f1eddbe3da65119ddc4b320a6

SHA512
1e00e7413c070d5d6f76bd3d97a675fa28582949cedd7e7ec4807e0c741e76ceda8a4b8bbef951b503b1bb271c2d65eb2e886c9cb1bb2eba3071151fce44357c

Download Submit
memory/3268-0-0x00000000004D0000-0x00000000004D6000-memory.dmp

Filesize
24KB

Download
memory/3268-2-0x00000000004F0000-0x00000000004F6000-memory.dmp

Filesize
24KB

Download
memory/3268-1-0x00000000004D0000-0x00000000004D6000-memory.dmp

Filesize
24KB

Download