682ad2d6791a5c12370a4261ea4c1b6caa0e7ced11374c30ac6e95ce176caf5a

Analysis

max time kernel
150s
max time network
150s
platform
windows7_x64
resource
win7-20240508-en
resource tags

arch:x64arch:x86image:win7-20240508-enlocale:en-usos:windows7-x64system
submitted
12/05/2024, 00:47

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General

Target

2024-05-12_9dc01119c33d625d363f8a52c5d3c969_cryptolocker.exe
Size

38KB
MD5

9dc01119c33d625d363f8a52c5d3c969
SHA1

ceababadbda334995503b320f1814482c7278342
SHA256

682ad2d6791a5c12370a4261ea4c1b6caa0e7ced11374c30ac6e95ce176caf5a
SHA512

c9575a54c8e89e2c173ce1dd8c000986b81cd8b2869cc4b0f80a4a068de4aab14611679d04c02256b7ecb47cf68a5e44b11b8450739e270404e4dd3e1b8953d1
SSDEEP

768:UEEmoQDj/xnMp+yptndwe/PWQtOOtEvwDpjLenUZ:ZzFbxmLPWQMOtEvwDpjLeI

Score

9^/10

Malware Config

Signatures

Detection of CryptoLocker Variants 1 IoCs

resource	yara_rule
behavioral1/files/0x000e00000001228a-11.dat	CryptoLocker_rule2

Executes dropped EXE 1 IoCs

pid	Process
2372	misid.exe

Loads dropped DLL 1 IoCs

pid	Process
2436	2024-05-12_9dc01119c33d625d363f8a52c5d3c969_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 2436 wrote to memory of 2372	2436	2024-05-12_9dc01119c33d625d363f8a52c5d3c969_cryptolocker.exe	28
PID 2436 wrote to memory of 2372	2436	2024-05-12_9dc01119c33d625d363f8a52c5d3c969_cryptolocker.exe	28
PID 2436 wrote to memory of 2372	2436	2024-05-12_9dc01119c33d625d363f8a52c5d3c969_cryptolocker.exe	28
PID 2436 wrote to memory of 2372	2436	2024-05-12_9dc01119c33d625d363f8a52c5d3c969_cryptolocker.exe	28

C:\Users\Admin\AppData\Local\Temp\2024-05-12_9dc01119c33d625d363f8a52c5d3c969_cryptolocker.exe
"C:\Users\Admin\AppData\Local\Temp\2024-05-12_9dc01119c33d625d363f8a52c5d3c969_cryptolocker.exe"
1⤵
- Loads dropped DLL
- Suspicious use of WriteProcessMemory
PID:2436
- C:\Users\Admin\AppData\Local\Temp\misid.exe
  "C:\Users\Admin\AppData\Local\Temp\misid.exe"
  2⤵
  - Executes dropped EXE
  PID:2372

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
38KB

MD5
2ea65dc39f7824bdcdd56c2129978d59

SHA1
3a14854c62ef8a47b5db5f28f1a6e6d62713c44f

SHA256
79981e6227285d6fd8b3122edb1fe95a021e5474dc1fbc1399cc105a5a1aaab6

SHA512
88c6cae4105bc31ccaca2df0acf29053f36d311a2e53c15a600113a4806e93e6a87469fe3c03d97fee5b3e6ded42948daed5ec3c141ca7c4c43f8974e07c82f5

Download Submit
memory/2372-15-0x0000000000230000-0x0000000000233000-memory.dmp

Filesize
12KB

Download
memory/2372-24-0x0000000000320000-0x0000000000326000-memory.dmp

Filesize
24KB

Download
memory/2372-17-0x0000000000460000-0x0000000000466000-memory.dmp

Filesize
24KB

Download
memory/2372-25-0x0000000000230000-0x0000000000233000-memory.dmp

Filesize
12KB

Download
memory/2436-0-0x0000000000240000-0x0000000000246000-memory.dmp

Filesize
24KB

Download
memory/2436-1-0x0000000000230000-0x0000000000236000-memory.dmp

Filesize
24KB

Download
memory/2436-2-0x0000000000300000-0x0000000000306000-memory.dmp

Filesize
24KB

Download
memory/2436-9-0x0000000000240000-0x0000000000246000-memory.dmp

Filesize
24KB

Download