cryptolocker | f50f22f0996b939996e84a8d1e0ff682558c082e19f55b9f5db7bd135df617a6

Analysis

max time kernel
151s
max time network
156s
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 20:41

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General

Target

2024-03-02_7532511aba4c8b2ac5f21dbba5ce8dba_cryptolocker.exe
Size

414KB
MD5

7532511aba4c8b2ac5f21dbba5ce8dba
SHA1

6180500f96a03a671dcee5bdc0d9e971ff1ec249
SHA256

f50f22f0996b939996e84a8d1e0ff682558c082e19f55b9f5db7bd135df617a6
SHA512

240aa853b4233476137e84dabaad051336a718880e9aa37f4c262ff5d042fc3daef62bca3d87ca7f9e1da7def084ddcad152070cc6089fe3e515210b24432ef4
SSDEEP

6144:EWmw0EuCN0pLWgTO3x5N22vWvLRKKAX5l++SybIvC8AnRSeg:EWkEuCaNT85I2vCMX5l+ZRvfIRq

Score

10^/10

cryptolocker persistence ransomware

Malware Config

Signatures

CryptoLocker
Ransomware family with multiple variants.
ransomware cryptolocker

Deletes itself 1 IoCs

pid	Process
1000	{34184A33-0407-212E-3320-09040709E2C2}.exe

Executes dropped EXE 2 IoCs

pid	Process
1000	{34184A33-0407-212E-3320-09040709E2C2}.exe
3004	{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-1-5-21-513485977-2495024337-1260977654-1000\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 4440 wrote to memory of 1000	4440	2024-03-02_7532511aba4c8b2ac5f21dbba5ce8dba_cryptolocker.exe	89
PID 4440 wrote to memory of 1000	4440	2024-03-02_7532511aba4c8b2ac5f21dbba5ce8dba_cryptolocker.exe	89
PID 4440 wrote to memory of 1000	4440	2024-03-02_7532511aba4c8b2ac5f21dbba5ce8dba_cryptolocker.exe	89
PID 1000 wrote to memory of 3004	1000	{34184A33-0407-212E-3320-09040709E2C2}.exe	90
PID 1000 wrote to memory of 3004	1000	{34184A33-0407-212E-3320-09040709E2C2}.exe	90
PID 1000 wrote to memory of 3004	1000	{34184A33-0407-212E-3320-09040709E2C2}.exe	90

C:\Users\Admin\AppData\Local\Temp\2024-03-02_7532511aba4c8b2ac5f21dbba5ce8dba_cryptolocker.exe
"C:\Users\Admin\AppData\Local\Temp\2024-03-02_7532511aba4c8b2ac5f21dbba5ce8dba_cryptolocker.exe"
1⤵
- Suspicious use of WriteProcessMemory
PID:4440
- 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_7532511aba4c8b2ac5f21dbba5ce8dba_cryptolocker.exe"
  2⤵
  - Deletes itself
  - Executes dropped EXE
  - Adds Run key to start application
  - Suspicious use of WriteProcessMemory
  PID:1000
- - 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:3004

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
414KB

MD5
7532511aba4c8b2ac5f21dbba5ce8dba

SHA1
6180500f96a03a671dcee5bdc0d9e971ff1ec249

SHA256
f50f22f0996b939996e84a8d1e0ff682558c082e19f55b9f5db7bd135df617a6

SHA512
240aa853b4233476137e84dabaad051336a718880e9aa37f4c262ff5d042fc3daef62bca3d87ca7f9e1da7def084ddcad152070cc6089fe3e515210b24432ef4

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Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads