576c2f01a912926a2916023f36b369a013ddaa0e0fc1b1795e8ae5780f230ed9

Analysis

max time kernel
148s
max time network
150s
platform
windows7_x64
resource
win7-20240221-en
resource tags

arch:x64arch:x86image:win7-20240221-enlocale:en-usos:windows7-x64system
submitted
16/04/2024, 20:02

Sharing

Copy URL Twitter E-mail

Report Analysis Logs

General

Target

2024-04-16_5a4bbdc068bc70bf8e3f1f323526d58d_cryptolocker.exe
Size

389KB
MD5

5a4bbdc068bc70bf8e3f1f323526d58d
SHA1

134831e8e34a36744a486c172d3b09411fc76178
SHA256

576c2f01a912926a2916023f36b369a013ddaa0e0fc1b1795e8ae5780f230ed9
SHA512

be3b99e5bc0228187b8321b4fe640aad8be6dd1ce90067a83a49024c6d468e0ec19bba2a30de6764eee10c31e724f42c5174843f98cd5e3696e40dc5baaaae3e
SSDEEP

6144:nnOsaQgAOjvrZFODJjBz3j1jTqQy6v2GGnugOtihzXZ:nnOflT/ZFIjBz3xjTxynGUOUhXZ

Score

9^/10

Malware Config

Signatures

Detection of CryptoLocker Variants 1 IoCs

resource	yara_rule
behavioral1/files/0x000a000000012251-10.dat	CryptoLocker_rule2

Executes dropped EXE 1 IoCs

pid	Process
2964	hasfj.exe

Loads dropped DLL 1 IoCs

pid	Process
2876	2024-04-16_5a4bbdc068bc70bf8e3f1f323526d58d_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 2876 wrote to memory of 2964	2876	2024-04-16_5a4bbdc068bc70bf8e3f1f323526d58d_cryptolocker.exe	28
PID 2876 wrote to memory of 2964	2876	2024-04-16_5a4bbdc068bc70bf8e3f1f323526d58d_cryptolocker.exe	28
PID 2876 wrote to memory of 2964	2876	2024-04-16_5a4bbdc068bc70bf8e3f1f323526d58d_cryptolocker.exe	28
PID 2876 wrote to memory of 2964	2876	2024-04-16_5a4bbdc068bc70bf8e3f1f323526d58d_cryptolocker.exe	28

C:\Users\Admin\AppData\Local\Temp\2024-04-16_5a4bbdc068bc70bf8e3f1f323526d58d_cryptolocker.exe
"C:\Users\Admin\AppData\Local\Temp\2024-04-16_5a4bbdc068bc70bf8e3f1f323526d58d_cryptolocker.exe"
1⤵
- Loads dropped DLL
- Suspicious use of WriteProcessMemory
PID:2876
- C:\Users\Admin\AppData\Local\Temp\hasfj.exe
  "C:\Users\Admin\AppData\Local\Temp\hasfj.exe"
  2⤵
  - Executes dropped EXE
  PID:2964

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
389KB

MD5
680b37a138c479f65aaad7668832fb3e

SHA1
6a7e879b81e95421536ab929ab3f3c66b42dacea

SHA256
b74b61f1e33fc608d07561d716cef49063ed1c3948a5c99c72195668194cb320

SHA512
8177370a3c3431d55e1368e6360578e169c583b86cc9c7c131afac4f9b2fdded49c5559ce0d58593b5355cf1174a82eef87a2ead7fd97bf883936a5563e9e10c

Download Submit
memory/2876-0-0x0000000000320000-0x0000000000326000-memory.dmp

Filesize
24KB

Download
memory/2876-2-0x0000000000330000-0x0000000000336000-memory.dmp

Filesize
24KB

Download
memory/2876-1-0x0000000000320000-0x0000000000326000-memory.dmp

Filesize
24KB

Download
memory/2964-15-0x0000000001CB0000-0x0000000001CB6000-memory.dmp

Filesize
24KB

Download
memory/2964-20-0x0000000000700000-0x0000000000706000-memory.dmp

Filesize
24KB

Download