55b53a3adb57d35b8369a5b8e43847b07f5afa243d138f50214ffb55f21f0805

Analysis

max time kernel
150s
max time network
157s
platform
windows7_x64
resource
win7-20240508-en
resource tags

arch:x64arch:x86image:win7-20240508-enlocale:en-usos:windows7-x64system
submitted
30/05/2024, 23:31

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General

Target

2024-05-30_d871504c8612c3e5ae00fca6969e8454_cryptolocker.exe
Size

38KB
MD5

d871504c8612c3e5ae00fca6969e8454
SHA1

57f08ad78cafd273afd15d1d8f804b60fdc9b9a3
SHA256

55b53a3adb57d35b8369a5b8e43847b07f5afa243d138f50214ffb55f21f0805
SHA512

4457146afb3bcdaa6a107ac021c060047d7b05c313d319d41a0f0d272aec96a4edb914e923156ff69fb81d6b1e4aca4e52f40bdcedf9187df672870ba0401a56
SSDEEP

768:fTz7y3lhsT+hs1SQtOOtEvwDpjfAu9+4+:fT+hsMQMOtEvwDpjoIH+

Score

9^/10

Malware Config

Signatures

Detection of CryptoLocker Variants 1 IoCs

resource	yara_rule
behavioral1/files/0x000f000000012289-10.dat	CryptoLocker_rule2

Detection of Cryptolocker Samples 1 IoCs

resource	yara_rule
behavioral1/files/0x000f000000012289-10.dat	CryptoLocker_set1

Executes dropped EXE 1 IoCs

pid	Process
1964	misid.exe

Loads dropped DLL 1 IoCs

pid	Process
352	2024-05-30_d871504c8612c3e5ae00fca6969e8454_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 352 wrote to memory of 1964	352	2024-05-30_d871504c8612c3e5ae00fca6969e8454_cryptolocker.exe	28
PID 352 wrote to memory of 1964	352	2024-05-30_d871504c8612c3e5ae00fca6969e8454_cryptolocker.exe	28
PID 352 wrote to memory of 1964	352	2024-05-30_d871504c8612c3e5ae00fca6969e8454_cryptolocker.exe	28
PID 352 wrote to memory of 1964	352	2024-05-30_d871504c8612c3e5ae00fca6969e8454_cryptolocker.exe	28

C:\Users\Admin\AppData\Local\Temp\2024-05-30_d871504c8612c3e5ae00fca6969e8454_cryptolocker.exe
"C:\Users\Admin\AppData\Local\Temp\2024-05-30_d871504c8612c3e5ae00fca6969e8454_cryptolocker.exe"
1⤵
- Loads dropped DLL
- Suspicious use of WriteProcessMemory
PID:352
- C:\Users\Admin\AppData\Local\Temp\misid.exe
  "C:\Users\Admin\AppData\Local\Temp\misid.exe"
  2⤵
  - Executes dropped EXE
  PID:1964

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
38KB

MD5
151eba09983b2bc9a8e54c3bcc9bffb3

SHA1
7b047d6a8498dd766f0ebe5281982562c38a0c8a

SHA256
326f92c947366c749a436060008f84b2b4bc15af1f15419db105b085bf0b9034

SHA512
5ab8f7b90c301097ad3068096059bfdc45d6977f3756d9c8ded01d50c1bd97a31ac810e53c29d94b8155eaba15e61f86690c66b8ecf0766838996028382a954f

Download Submit
memory/352-0-0x0000000000440000-0x0000000000446000-memory.dmp

Filesize
24KB

Download
memory/352-1-0x0000000000480000-0x0000000000486000-memory.dmp

Filesize
24KB

Download
memory/352-8-0x0000000000440000-0x0000000000446000-memory.dmp

Filesize
24KB

Download
memory/1964-15-0x00000000004B0000-0x00000000004B6000-memory.dmp

Filesize
24KB

Download
memory/1964-22-0x0000000000240000-0x0000000000246000-memory.dmp

Filesize
24KB

Download