9a1e2d0017508ccfa752a33bede59b29520f0971e18d510b397ff1282acf108a

Analysis

max time kernel
148s
max time network
150s
platform
windows7_x64
resource
win7-20240215-en
resource tags

arch:x64arch:x86image:win7-20240215-enlocale:en-usos:windows7-x64system
submitted
26/03/2024, 03:49

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General

Target

2024-03-26_871a0f81f19f9d5e72e77b07e97ee021_cryptolocker.exe
Size

36KB
MD5

871a0f81f19f9d5e72e77b07e97ee021
SHA1

74945523e092a1dbbe10980c9db7e12db54a6b54
SHA256

9a1e2d0017508ccfa752a33bede59b29520f0971e18d510b397ff1282acf108a
SHA512

a888a6b5fa8ce2b4f01db0a4ccb5929ba40a46cbd7beb2f0e11a7741e924595df84406628f798305bbaadde38a67d16814b657fe3f3efd1054ceb4df4a3d2748
SSDEEP

384:bA74uGLLQRcsdeQ72ngEr4K7YmE8j60nrlwfjDUgIunIVpeNs23mAA6lmH:bA74zYcgT/Ekd0ryfjPIunqpeNswm9H

Score

9^/10

Malware Config

Signatures

Detection of CryptoLocker Variants 1 IoCs

resource	yara_rule
behavioral1/files/0x00080000000122bf-10.dat	CryptoLocker_rule2

Executes dropped EXE 1 IoCs

pid	Process
1828	hasfj.exe

Loads dropped DLL 1 IoCs

pid	Process
1804	2024-03-26_871a0f81f19f9d5e72e77b07e97ee021_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 1804 wrote to memory of 1828	1804	2024-03-26_871a0f81f19f9d5e72e77b07e97ee021_cryptolocker.exe	28
PID 1804 wrote to memory of 1828	1804	2024-03-26_871a0f81f19f9d5e72e77b07e97ee021_cryptolocker.exe	28
PID 1804 wrote to memory of 1828	1804	2024-03-26_871a0f81f19f9d5e72e77b07e97ee021_cryptolocker.exe	28
PID 1804 wrote to memory of 1828	1804	2024-03-26_871a0f81f19f9d5e72e77b07e97ee021_cryptolocker.exe	28

C:\Users\Admin\AppData\Local\Temp\2024-03-26_871a0f81f19f9d5e72e77b07e97ee021_cryptolocker.exe
"C:\Users\Admin\AppData\Local\Temp\2024-03-26_871a0f81f19f9d5e72e77b07e97ee021_cryptolocker.exe"
1⤵
- Loads dropped DLL
- Suspicious use of WriteProcessMemory
PID:1804
- C:\Users\Admin\AppData\Local\Temp\hasfj.exe
  "C:\Users\Admin\AppData\Local\Temp\hasfj.exe"
  2⤵
  - Executes dropped EXE
  PID:1828

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\hasfj.exe

Filesize
36KB

MD5
ed6fbf63a9f2d2835e1d493a57484205

SHA1
a8ff199c48042aab03fa1494f815cb3c73299ba5

SHA256
f0acf76094f8dc8b730a80eb2d2597ed875d855b7b61d47b8326fbe65810a48c

SHA512
5c16ef2019d19e318c36c70dc081ea90c42168897e5323854d39579847b1001a1b61c430c877fef1430602991a7b7f5badd28543a78684783a8a410e3022c095

Download Submit
memory/1804-0-0x00000000002A0000-0x00000000002A6000-memory.dmp

Filesize
24KB

Download
memory/1804-1-0x00000000002B0000-0x00000000002B6000-memory.dmp

Filesize
24KB

Download
memory/1804-8-0x00000000002A0000-0x00000000002A6000-memory.dmp

Filesize
24KB

Download
memory/1828-15-0x0000000000480000-0x0000000000486000-memory.dmp

Filesize
24KB

Download
memory/1828-22-0x0000000000470000-0x0000000000476000-memory.dmp

Filesize
24KB

Download