6f8c704500017e123ec54a6d1cdd72f7fe0f2a56c47758ddd996fe25a9c05815

Analysis

max time kernel
148s
max time network
149s
platform
windows7_x64
resource
win7-20240221-en
resource tags

arch:x64arch:x86image:win7-20240221-enlocale:en-usos:windows7-x64system
submitted
27/05/2024, 13:26

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General

Target

2024-05-27_a26034cf81dd1bad7f96d22919cb7247_cryptolocker.exe
Size

39KB
MD5

a26034cf81dd1bad7f96d22919cb7247
SHA1

01c0280c175a3ad570eb5158e0e8959a1cf48d17
SHA256

6f8c704500017e123ec54a6d1cdd72f7fe0f2a56c47758ddd996fe25a9c05815
SHA512

2c6453b4c2a68bafb8f7b9d8944373eceb3f1eaca73f4bae6e1d44efa48834c09aaac54aea57c7d765b4c65853714b408385ba0fb7954d84b45af4e0625c10b3
SSDEEP

768:X6LsoEEeegiZPvEhHSG+gp/QtOOtEvwDpjBVaD3TP7DFCw0R:X6QFElP6n+gJQMOtEvwDpjBmzDU5R

Score

9^/10

Malware Config

Signatures

Detection of CryptoLocker Variants 1 IoCs

resource	yara_rule
behavioral1/files/0x000b000000016056-10.dat	CryptoLocker_rule2

Detection of Cryptolocker Samples 1 IoCs

resource	yara_rule
behavioral1/files/0x000b000000016056-10.dat	CryptoLocker_set1

Executes dropped EXE 1 IoCs

pid	Process
2516	asih.exe

Loads dropped DLL 1 IoCs

pid	Process
1932	2024-05-27_a26034cf81dd1bad7f96d22919cb7247_cryptolocker.exe

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

System Information Discovery
T1082

Suspicious use of WriteProcessMemory 4 IoCs

description	pid	Process	procid_target
PID 1932 wrote to memory of 2516	1932	2024-05-27_a26034cf81dd1bad7f96d22919cb7247_cryptolocker.exe	28
PID 1932 wrote to memory of 2516	1932	2024-05-27_a26034cf81dd1bad7f96d22919cb7247_cryptolocker.exe	28
PID 1932 wrote to memory of 2516	1932	2024-05-27_a26034cf81dd1bad7f96d22919cb7247_cryptolocker.exe	28
PID 1932 wrote to memory of 2516	1932	2024-05-27_a26034cf81dd1bad7f96d22919cb7247_cryptolocker.exe	28

C:\Users\Admin\AppData\Local\Temp\2024-05-27_a26034cf81dd1bad7f96d22919cb7247_cryptolocker.exe
"C:\Users\Admin\AppData\Local\Temp\2024-05-27_a26034cf81dd1bad7f96d22919cb7247_cryptolocker.exe"
1⤵
- Loads dropped DLL
- Suspicious use of WriteProcessMemory
PID:1932
- C:\Users\Admin\AppData\Local\Temp\asih.exe
  "C:\Users\Admin\AppData\Local\Temp\asih.exe"
  2⤵
  - Executes dropped EXE
  PID:2516

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Credential Access

Discovery

System Information Discovery

T1082

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

Replay Monitor

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Downloads

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

Filesize
39KB

MD5
a1311e73f3cda7e0c4d6f48a8eeaf5b4

SHA1
24b568eda3ff333198b4b1f1d8f427d1bc2570fd

SHA256
8ad70783e15453b79ebd0296f6d3397f3a4e2e6666815a923f625c0925e72c10

SHA512
31840a12990e503c1679a3e18bb21f9bd0d646959135f3a61a8460a46b484a17838016404cfdabeebe8b629bc266f1ade3fc0bb083b18c3cee87beaa0c36b50e

Download Submit
memory/1932-0-0x0000000000420000-0x0000000000426000-memory.dmp

Filesize
24KB

Download
memory/1932-1-0x0000000000460000-0x0000000000466000-memory.dmp

Filesize
24KB

Download
memory/1932-8-0x0000000000420000-0x0000000000426000-memory.dmp

Filesize
24KB

Download
memory/2516-15-0x00000000003F0000-0x00000000003F6000-memory.dmp

Filesize
24KB

Download
memory/2516-22-0x00000000001C0000-0x00000000001C6000-memory.dmp

Filesize
24KB

Download