1d25c0fdcbe46499a518349baba918140475c85a0ec179fa61fac9cd02bcc288

Analysis

max time kernel
149s
max time network
151s
platform
windows7_x64
resource
win7-20240221-en
resource tags

arch:x64arch:x86image:win7-20240221-enlocale:en-usos:windows7-x64system
submitted
14/05/2024, 01:22

Sharing

Copy URL Twitter E-mail

Report Analysis Logs

General

Target

2024-05-14_188981faf22066cc263ee9342b8708de_cryptolocker.exe
Size

32KB
MD5

188981faf22066cc263ee9342b8708de
SHA1

224cec06a48d0230717456292c6902239a5ff3bd
SHA256

1d25c0fdcbe46499a518349baba918140475c85a0ec179fa61fac9cd02bcc288
SHA512

0335385855764e12f1bd86f66101ff159baae2c0d512b128379d12d310e8faefd8b416e8f23252f4c927a35f0082d2545adaea41c1bbeb72c6ca4b4fe99097b5
SSDEEP

384:bG74uGLLQRcsdeQ72ngEr4K7YmE8j60nrlwfjDUGTGXvxj:bG74zYcgT/Ekd0ryfjkF

Score

9^/10

Malware Config

Signatures

Detection of CryptoLocker Variants 4 IoCs

resource	yara_rule
behavioral1/memory/2364-0-0x0000000008000000-0x000000000800A000-memory.dmp	CryptoLocker_rule2
behavioral1/files/0x000c000000014228-11.dat	CryptoLocker_rule2
behavioral1/memory/2364-15-0x0000000008000000-0x000000000800A000-memory.dmp	CryptoLocker_rule2
behavioral1/memory/1092-25-0x0000000008000000-0x000000000800A000-memory.dmp	CryptoLocker_rule2

Executes dropped EXE 1 IoCs

pid	Process
1092	hasfj.exe

Loads dropped DLL 1 IoCs

pid	Process
2364	2024-05-14_188981faf22066cc263ee9342b8708de_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 2364 wrote to memory of 1092	2364	2024-05-14_188981faf22066cc263ee9342b8708de_cryptolocker.exe	28
PID 2364 wrote to memory of 1092	2364	2024-05-14_188981faf22066cc263ee9342b8708de_cryptolocker.exe	28
PID 2364 wrote to memory of 1092	2364	2024-05-14_188981faf22066cc263ee9342b8708de_cryptolocker.exe	28
PID 2364 wrote to memory of 1092	2364	2024-05-14_188981faf22066cc263ee9342b8708de_cryptolocker.exe	28

C:\Users\Admin\AppData\Local\Temp\2024-05-14_188981faf22066cc263ee9342b8708de_cryptolocker.exe
"C:\Users\Admin\AppData\Local\Temp\2024-05-14_188981faf22066cc263ee9342b8708de_cryptolocker.exe"
1⤵
- Loads dropped DLL
- Suspicious use of WriteProcessMemory
PID:2364
- C:\Users\Admin\AppData\Local\Temp\hasfj.exe
  "C:\Users\Admin\AppData\Local\Temp\hasfj.exe"
  2⤵
  - Executes dropped EXE
  PID:1092

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

Loading Replay Monitor...

Downloads

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

Filesize
32KB

MD5
eb43df269d1a01ff47df374012e02731

SHA1
d8098752b71dc46a4ffea219f499477cae4df904

SHA256
587172898bfc16d055babf947613619f97219546592bebbaf651d21617c034ec

SHA512
4cf7a8d3166d4aa48e25fc79fc6687575d2434f39f90f53f32cb2c1f52628c79448362f7c29cf249badb4eb32c595c6e75a75d669a676888ec29e7a7ee54d858

Download Submit
memory/1092-17-0x00000000005B0000-0x00000000005B6000-memory.dmp

Filesize
24KB

Download
memory/1092-24-0x00000000005A0000-0x00000000005A6000-memory.dmp

Filesize
24KB

Download
memory/1092-25-0x0000000008000000-0x000000000800A000-memory.dmp

Filesize
40KB

Download
memory/2364-0-0x0000000008000000-0x000000000800A000-memory.dmp

Filesize
40KB

Download
memory/2364-1-0x0000000000380000-0x0000000000386000-memory.dmp

Filesize
24KB

Download
memory/2364-2-0x0000000000390000-0x0000000000396000-memory.dmp

Filesize
24KB

Download
memory/2364-9-0x0000000000380000-0x0000000000386000-memory.dmp

Filesize
24KB

Download
memory/2364-15-0x0000000008000000-0x000000000800A000-memory.dmp

Filesize
40KB

Download