e31458a0ef4177227656378ab0bb835e409425692ef8048b907bb77124c3e0c0

Analysis

max time kernel
132s
max time network
139s
platform
windows7_x64
resource
win7-20240508-en
resource tags

arch:x64arch:x86image:win7-20240508-enlocale:en-usos:windows7-x64system
submitted
23-05-2024 02:44

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General

Target

2024-05-23_c12cd13d1ff1ee1206ea8338d080ca7d_cryptolocker.exe
Size

55KB
MD5

c12cd13d1ff1ee1206ea8338d080ca7d
SHA1

962fc79c0a9ed986afa92fc8223f334f849add82
SHA256

e31458a0ef4177227656378ab0bb835e409425692ef8048b907bb77124c3e0c0
SHA512

507e3c0fddaaf8f60a09d0390e78bac65b4c08acba1d6c9ebd614e3cfc5500937cc08a2674947c889366e60a75df991ee3b81654a025dcd8c377fb6020a1f070
SSDEEP

1536:ZzFbxmLPWQMOtEvwDpj386Sj/WprgJN6tZdO5Ujb:ZVxkGOtEvwDpjcG

Score

9^/10

Malware Config

Signatures

Detection of CryptoLocker Variants 1 IoCs

resource	yara_rule
behavioral1/files/0x000c00000001227e-11.dat	CryptoLocker_rule2

Executes dropped EXE 1 IoCs

pid	Process
2136	misid.exe

Loads dropped DLL 1 IoCs

pid	Process
1956	2024-05-23_c12cd13d1ff1ee1206ea8338d080ca7d_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 1956 wrote to memory of 2136	1956	2024-05-23_c12cd13d1ff1ee1206ea8338d080ca7d_cryptolocker.exe	28
PID 1956 wrote to memory of 2136	1956	2024-05-23_c12cd13d1ff1ee1206ea8338d080ca7d_cryptolocker.exe	28
PID 1956 wrote to memory of 2136	1956	2024-05-23_c12cd13d1ff1ee1206ea8338d080ca7d_cryptolocker.exe	28
PID 1956 wrote to memory of 2136	1956	2024-05-23_c12cd13d1ff1ee1206ea8338d080ca7d_cryptolocker.exe	28

C:\Users\Admin\AppData\Local\Temp\2024-05-23_c12cd13d1ff1ee1206ea8338d080ca7d_cryptolocker.exe
"C:\Users\Admin\AppData\Local\Temp\2024-05-23_c12cd13d1ff1ee1206ea8338d080ca7d_cryptolocker.exe"
1⤵
- Loads dropped DLL
- Suspicious use of WriteProcessMemory
PID:1956
- C:\Users\Admin\AppData\Local\Temp\misid.exe
  "C:\Users\Admin\AppData\Local\Temp\misid.exe"
  2⤵
  - Executes dropped EXE
  PID:2136

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\misid.exe

Filesize
55KB

MD5
59a7da6f03cf79b5114a4078e326f4a1

SHA1
761b33e8936b1f44bd678f4d7e0e30f9e90a4f5d

SHA256
df3ce78dbeb8d0cd3af1245f71e87895c127ca7af51b93a67014c8c20c0fc618

SHA512
74c94448c330a003ddb723cba2417a8c947fd4721a9d405456944470a27b7705f298147523ac12ab5993ab81a02e7c05d8d00676e470fa4f799ef4b3c7e68ea1

Download Submit
memory/1956-0-0x0000000000240000-0x0000000000243000-memory.dmp

Filesize
12KB

Download
memory/1956-1-0x0000000000250000-0x0000000000256000-memory.dmp

Filesize
24KB

Download
memory/1956-2-0x0000000000390000-0x0000000000396000-memory.dmp

Filesize
24KB

Download
memory/1956-9-0x0000000000250000-0x0000000000256000-memory.dmp

Filesize
24KB

Download
memory/2136-16-0x0000000000230000-0x00000000002B0000-memory.dmp

Filesize
512KB

Download
memory/2136-17-0x0000000000310000-0x0000000000316000-memory.dmp

Filesize
24KB

Download
memory/2136-24-0x00000000002D0000-0x00000000002D6000-memory.dmp

Filesize
24KB

Download
memory/2136-25-0x0000000000230000-0x00000000002B0000-memory.dmp

Filesize
512KB

Download