4752db76a06d8f728354a190b30422aadf2a9ce5f8bcce873703fd38cb41fe48

Analysis

max time kernel
150s
max time network
150s
platform
windows7_x64
resource
win7-20240419-en
resource tags

arch:x64arch:x86image:win7-20240419-enlocale:en-usos:windows7-x64system
submitted
03/05/2024, 04:46

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General

Target

2024-05-03_b99bf6956a34496b750f3ca00672e7de_cryptolocker.exe
Size

54KB
MD5

b99bf6956a34496b750f3ca00672e7de
SHA1

c84e2bddda1407c18346a7c8e8c10d098aceaf8d
SHA256

4752db76a06d8f728354a190b30422aadf2a9ce5f8bcce873703fd38cb41fe48
SHA512

17902454e535584ff51f66533947ea2817f080ce87d302aca053c98aeb6c3ec2c14446ea53be8076726d335d1f69e50167b1edbc1f683c3c4485870822037ed4
SSDEEP

1536:ZzFbxmLPWQMOtEvwDpj386Sj/WprgJN6tZdO5Uom:ZVxkGOtEvwDpjcA

Score

9^/10

Malware Config

Signatures

Detection of CryptoLocker Variants 1 IoCs

resource	yara_rule
behavioral1/files/0x000e000000012279-10.dat	CryptoLocker_rule2

Executes dropped EXE 1 IoCs

pid	Process
2712	misid.exe

Loads dropped DLL 1 IoCs

pid	Process
3000	2024-05-03_b99bf6956a34496b750f3ca00672e7de_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 3000 wrote to memory of 2712	3000	2024-05-03_b99bf6956a34496b750f3ca00672e7de_cryptolocker.exe	28
PID 3000 wrote to memory of 2712	3000	2024-05-03_b99bf6956a34496b750f3ca00672e7de_cryptolocker.exe	28
PID 3000 wrote to memory of 2712	3000	2024-05-03_b99bf6956a34496b750f3ca00672e7de_cryptolocker.exe	28
PID 3000 wrote to memory of 2712	3000	2024-05-03_b99bf6956a34496b750f3ca00672e7de_cryptolocker.exe	28

C:\Users\Admin\AppData\Local\Temp\2024-05-03_b99bf6956a34496b750f3ca00672e7de_cryptolocker.exe
"C:\Users\Admin\AppData\Local\Temp\2024-05-03_b99bf6956a34496b750f3ca00672e7de_cryptolocker.exe"
1⤵
- Loads dropped DLL
- Suspicious use of WriteProcessMemory
PID:3000
- C:\Users\Admin\AppData\Local\Temp\misid.exe
  "C:\Users\Admin\AppData\Local\Temp\misid.exe"
  2⤵
  - Executes dropped EXE
  PID:2712

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\misid.exe

Filesize
54KB

MD5
7125c6787db2f15999588fd156add751

SHA1
e0712c3891bf62945c73ae6cbebf8c1d29c4b205

SHA256
3afd50dce5f4906369d90e78085cf63ce07513a8e14e033abb1c65e2f1348bf6

SHA512
742e7aaad03d0303a8e9486da62779b3468f68fd5dc333cc82faabb491aad93c4aa388d027d4eccffc586d163e6d795bfb6e2d207f3a1758915b1b2b22c7d752

Download Submit
memory/2712-15-0x0000000000280000-0x0000000000286000-memory.dmp

Filesize
24KB

Download
memory/2712-22-0x0000000000230000-0x0000000000236000-memory.dmp

Filesize
24KB

Download
memory/2712-23-0x0000000000230000-0x0000000000236000-memory.dmp

Filesize
24KB

Download
memory/3000-0-0x0000000000240000-0x0000000000246000-memory.dmp

Filesize
24KB

Download
memory/3000-7-0x0000000000240000-0x0000000000246000-memory.dmp

Filesize
24KB

Download
memory/3000-1-0x0000000000290000-0x0000000000296000-memory.dmp

Filesize
24KB

Download