3d044318cf68426438da1125566bf20df9b60920206686d5e310773aa825f413

Analysis

max time kernel
150s
max time network
153s
platform
windows7_x64
resource
win7-20240221-en
resource tags

arch:x64arch:x86image:win7-20240221-enlocale:en-usos:windows7-x64system
submitted
04-04-2024 23:37

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General

Target

2024-04-04_95b7d6b9460a72aeef3728f16ebbf458_cryptolocker.exe
Size

128KB
MD5

95b7d6b9460a72aeef3728f16ebbf458
SHA1

43a6b02a454d4161052ecb7a403444bdafb267db
SHA256

3d044318cf68426438da1125566bf20df9b60920206686d5e310773aa825f413
SHA512

d4ff018bcd576103a3fd72ac0856ac986c38a439d05dad770c78f3a8cb5922c5f8b1d3e57b7b1f12047651a09354466b14be567b85eb1995dbcc582ce17ee87f
SSDEEP

1536:vj+jsMQMOtEvwDpj5HwYYTjipvF2hBfIuBKLUYOVbvh//LIT4N:vCjsIOtEvwDpj5H9YvQd2Rh

Score

9^/10

Malware Config

Signatures

Detection of CryptoLocker Variants 1 IoCs

resource	yara_rule
behavioral1/files/0x000800000001222d-10.dat	CryptoLocker_rule2

Detection of Cryptolocker Samples 1 IoCs

resource	yara_rule
behavioral1/files/0x000800000001222d-10.dat	CryptoLocker_set1

Executes dropped EXE 1 IoCs

pid	Process
3012	misid.exe

Loads dropped DLL 1 IoCs

pid	Process
2484	2024-04-04_95b7d6b9460a72aeef3728f16ebbf458_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 2484 wrote to memory of 3012	2484	2024-04-04_95b7d6b9460a72aeef3728f16ebbf458_cryptolocker.exe	28
PID 2484 wrote to memory of 3012	2484	2024-04-04_95b7d6b9460a72aeef3728f16ebbf458_cryptolocker.exe	28
PID 2484 wrote to memory of 3012	2484	2024-04-04_95b7d6b9460a72aeef3728f16ebbf458_cryptolocker.exe	28
PID 2484 wrote to memory of 3012	2484	2024-04-04_95b7d6b9460a72aeef3728f16ebbf458_cryptolocker.exe	28

C:\Users\Admin\AppData\Local\Temp\2024-04-04_95b7d6b9460a72aeef3728f16ebbf458_cryptolocker.exe
"C:\Users\Admin\AppData\Local\Temp\2024-04-04_95b7d6b9460a72aeef3728f16ebbf458_cryptolocker.exe"
1⤵
- Loads dropped DLL
- Suspicious use of WriteProcessMemory
PID:2484
- C:\Users\Admin\AppData\Local\Temp\misid.exe
  "C:\Users\Admin\AppData\Local\Temp\misid.exe"
  2⤵
  - Executes dropped EXE
  PID:3012

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
128KB

MD5
5e5e06ac824e4124f8c8df724278aa15

SHA1
07466f7387471e201b7ab54c40891e29c6c45c18

SHA256
3f7bad592e5017a72b3a0e417323b5ba86b369ea7c9f37a84301034d7a4e0256

SHA512
99f6a85d55b55a15b99225d767160077efaf0beda4e4b3b4313160baca493f499703947aba260a5b6234a0f14d94df94d1cf618dfbd9f5479694ee54c27e17d4

Download Submit
memory/2484-0-0x00000000002C0000-0x00000000002C6000-memory.dmp

Filesize
24KB

Download
memory/2484-2-0x0000000000300000-0x0000000000306000-memory.dmp

Filesize
24KB

Download
memory/2484-1-0x00000000002C0000-0x00000000002C6000-memory.dmp

Filesize
24KB

Download
memory/3012-15-0x00000000002C0000-0x00000000002C6000-memory.dmp

Filesize
24KB

Download
memory/3012-21-0x0000000000240000-0x0000000000246000-memory.dmp

Filesize
24KB

Download