cryptolocker | 163db290ba2f8a088ea7bb5838bb3747cd49ed89848dc378f190b9fc8f0fe7c8

Analysis

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

arch:x64arch:x86image:win10v2004-20240226-enlocale:en-usos:windows10-2004-x64system
submitted
04-03-2024 01:45

Sharing

Copy URL

Twitter E-mail

Report Analysis Logs

General

Target

36d2bd43c8cea74a7e899f57c9baab64.exe
Size

395KB
MD5

36d2bd43c8cea74a7e899f57c9baab64
SHA1

84bc63932258fb3a58c39465b365cecf920547ec
SHA256

163db290ba2f8a088ea7bb5838bb3747cd49ed89848dc378f190b9fc8f0fe7c8
SHA512

84f7fac2724b5e858a0a874b1eea802ea74feb08eb1c344e13c6fb0863d572b126a54d0ac7b83e66a24367dce260da0c00e951980f537f7fadde09b3d6a159ee
SSDEEP

6144:eWmw0EuCN0pLWgTO3x5N22vWvLRKKAX5l++SybIvCc//IQ3sd:eWkEuCaNT85I2vCMX5l+ZRvJ/wQ3sd

Score

10^/10

cryptolocker persistence ransomware

Malware Config

Signatures

CryptoLocker
Ransomware family with multiple variants.
ransomware cryptolocker

Deletes itself 1 IoCs

pid	Process
1696	{34184A33-0407-212E-3320-09040709E2C2}.exe

Executes dropped EXE 2 IoCs

pid	Process
1696	{34184A33-0407-212E-3320-09040709E2C2}.exe
1204	{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-1-5-21-399997616-3400990511-967324271-1000\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 2200 wrote to memory of 1696	2200	36d2bd43c8cea74a7e899f57c9baab64.exe	89
PID 2200 wrote to memory of 1696	2200	36d2bd43c8cea74a7e899f57c9baab64.exe	89
PID 2200 wrote to memory of 1696	2200	36d2bd43c8cea74a7e899f57c9baab64.exe	89
PID 1696 wrote to memory of 1204	1696	{34184A33-0407-212E-3320-09040709E2C2}.exe	90
PID 1696 wrote to memory of 1204	1696	{34184A33-0407-212E-3320-09040709E2C2}.exe	90
PID 1696 wrote to memory of 1204	1696	{34184A33-0407-212E-3320-09040709E2C2}.exe	90

C:\Users\Admin\AppData\Local\Temp\36d2bd43c8cea74a7e899f57c9baab64.exe
"C:\Users\Admin\AppData\Local\Temp\36d2bd43c8cea74a7e899f57c9baab64.exe"
1⤵
- Suspicious use of WriteProcessMemory
PID:2200
- 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\36d2bd43c8cea74a7e899f57c9baab64.exe"
  2⤵
  - Deletes itself
  - Executes dropped EXE
  - Adds Run key to start application
  - Suspicious use of WriteProcessMemory
  PID:1696
- - C:\Users\Admin\AppData\Roaming\{34184A33-0407-212E-3320-09040709E2C2}.exe
    "C:\Users\Admin\AppData\Roaming\{34184A33-0407-212E-3320-09040709E2C2}.exe" /w00000224
    3⤵
    - Executes dropped EXE
    PID:1204

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

Replay Monitor

Loading Replay Monitor...

Downloads

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

Filesize
395KB

MD5
36d2bd43c8cea74a7e899f57c9baab64

SHA1
84bc63932258fb3a58c39465b365cecf920547ec

SHA256
163db290ba2f8a088ea7bb5838bb3747cd49ed89848dc378f190b9fc8f0fe7c8

SHA512
84f7fac2724b5e858a0a874b1eea802ea74feb08eb1c344e13c6fb0863d572b126a54d0ac7b83e66a24367dce260da0c00e951980f537f7fadde09b3d6a159ee

Download Submit

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

Loading Replay Monitor...

Downloads