cryptolocker | 90002a314c379064b549622dc83e3571c5d5450968ed67aaa0063a5ab475c0e0

Analysis

max time kernel
150s
max time network
153s
platform
windows10-2004_x64
resource
win10v2004-20240226-en
resource tags

arch:x64arch:x86image:win10v2004-20240226-enlocale:en-usos:windows10-2004-x64system
submitted
02-03-2024 19:24

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General

Target

2024-03-02_01593efe2d367d6cf17607a57152da11_cryptolocker.exe
Size

367KB
MD5

01593efe2d367d6cf17607a57152da11
SHA1

41ece707c8e3df6bff55834108178c382804d1dd
SHA256

90002a314c379064b549622dc83e3571c5d5450968ed67aaa0063a5ab475c0e0
SHA512

63966cf9d570d6d48b89f8a9059415e2b976359d4162f55046aa5d42ad01703456329667ed2744bfe586b7e49d59409c34969284ecebe0da86d577ebaa554b33
SSDEEP

6144:pWmw0EuCN0pLWgTO3x5N22vWvLRKKAX5l++SybIvCDyKYgQeCX:pWkEuCaNT85I2vCMX5l+ZRviyKYgQeCX

Score

10^/10

cryptolocker persistence ransomware

Malware Config

Signatures

CryptoLocker
Ransomware family with multiple variants.
ransomware cryptolocker

Deletes itself 1 IoCs

pid	Process
1360	{34184A33-0407-212E-3320-09040709E2C2}.exe

Executes dropped EXE 2 IoCs

pid	Process
1360	{34184A33-0407-212E-3320-09040709E2C2}.exe
4976	{34184A33-0407-212E-3320-09040709E2C2}.exe

Adds Run key to start application 2 TTPs 1 IoCs

persistence

Registry Run Keys / Startup Folder

T1547.001

Modify Registry

T1112

description	ioc	Process
Set value (str)	\REGISTRY\USER\S-1-5-21-983155329-280873152-1838004294-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\CryptoLocker = "C:\\Users\\Admin\\AppData\\Roaming\\{34184A33-0407-212E-3320-09040709E2C2}.exe"	{34184A33-0407-212E-3320-09040709E2C2}.exe

Suspicious use of WriteProcessMemory 6 IoCs

description	pid	Process	procid_target
PID 2272 wrote to memory of 1360	2272	2024-03-02_01593efe2d367d6cf17607a57152da11_cryptolocker.exe	89
PID 2272 wrote to memory of 1360	2272	2024-03-02_01593efe2d367d6cf17607a57152da11_cryptolocker.exe	89
PID 2272 wrote to memory of 1360	2272	2024-03-02_01593efe2d367d6cf17607a57152da11_cryptolocker.exe	89
PID 1360 wrote to memory of 4976	1360	{34184A33-0407-212E-3320-09040709E2C2}.exe	90
PID 1360 wrote to memory of 4976	1360	{34184A33-0407-212E-3320-09040709E2C2}.exe	90
PID 1360 wrote to memory of 4976	1360	{34184A33-0407-212E-3320-09040709E2C2}.exe	90

C:\Users\Admin\AppData\Local\Temp\2024-03-02_01593efe2d367d6cf17607a57152da11_cryptolocker.exe
"C:\Users\Admin\AppData\Local\Temp\2024-03-02_01593efe2d367d6cf17607a57152da11_cryptolocker.exe"
1⤵
- Suspicious use of WriteProcessMemory
PID:2272
- C:\Users\Admin\AppData\Roaming\{34184A33-0407-212E-3320-09040709E2C2}.exe
  "C:\Users\Admin\AppData\Roaming\{34184A33-0407-212E-3320-09040709E2C2}.exe" "/rC:\Users\Admin\AppData\Local\Temp\2024-03-02_01593efe2d367d6cf17607a57152da11_cryptolocker.exe"
  2⤵
  - Deletes itself
  - Executes dropped EXE
  - Adds Run key to start application
  - Suspicious use of WriteProcessMemory
  PID:1360
- - C:\Users\Admin\AppData\Roaming\{34184A33-0407-212E-3320-09040709E2C2}.exe
    "C:\Users\Admin\AppData\Roaming\{34184A33-0407-212E-3320-09040709E2C2}.exe" /w0000021C
    3⤵
    - Executes dropped EXE
    PID:4976

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Boot or Logon Autostart Execution

T1547

Registry Run Keys / Startup Folder

T1547.001

Privilege Escalation

Boot or Logon Autostart Execution

T1547

Registry Run Keys / Startup Folder

T1547.001

Defense Evasion

Modify Registry

T1112

Credential Access

Discovery

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

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Downloads

C:\Users\Admin\AppData\Roaming\{34184A33-0407-212E-3320-09040709E2C2}.exe

Filesize
367KB

MD5
01593efe2d367d6cf17607a57152da11

SHA1
41ece707c8e3df6bff55834108178c382804d1dd

SHA256
90002a314c379064b549622dc83e3571c5d5450968ed67aaa0063a5ab475c0e0

SHA512
63966cf9d570d6d48b89f8a9059415e2b976359d4162f55046aa5d42ad01703456329667ed2744bfe586b7e49d59409c34969284ecebe0da86d577ebaa554b33

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Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads