4598848b794ec60a8388b3a92e7eed1561a6e0d7bf72b432985d9dd750bfb4d1

Analysis

max time kernel
149s
max time network
151s
platform
windows7_x64
resource
win7-20240508-en
resource tags

arch:x64arch:x86image:win7-20240508-enlocale:en-usos:windows7-x64system
submitted
09-05-2024 07:46

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General

Target

2024-05-09_c6c2918f1aab4192b2c5d543520d641e_cryptolocker.exe
Size

86KB
MD5

c6c2918f1aab4192b2c5d543520d641e
SHA1

1e9b4d333cd5708a64e58cb42ccda5fb29879f66
SHA256

4598848b794ec60a8388b3a92e7eed1561a6e0d7bf72b432985d9dd750bfb4d1
SHA512

aed4c21064d0e7cb242a665551208798d9c60b26141c5f1bfb7e4b937648b637f066c47868e66d2a9bcbc24c626900c1bf8b2478e42a8f8122af596386c59b5d
SSDEEP

1536:vj+jsMQMOtEvwDpj5HwYYTjipvF2hBfWafHNBli:vCjsIOtEvwDpj5H9YvQd2U

Score

9^/10

Malware Config

Signatures

Detection of CryptoLocker Variants 1 IoCs

resource	yara_rule
behavioral1/files/0x000e00000001226b-13.dat	CryptoLocker_rule2

Detection of Cryptolocker Samples 1 IoCs

resource	yara_rule
behavioral1/files/0x000e00000001226b-13.dat	CryptoLocker_set1

Executes dropped EXE 1 IoCs

pid	Process
1776	misid.exe

Loads dropped DLL 1 IoCs

pid	Process
2976	2024-05-09_c6c2918f1aab4192b2c5d543520d641e_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 2976 wrote to memory of 1776	2976	2024-05-09_c6c2918f1aab4192b2c5d543520d641e_cryptolocker.exe	28
PID 2976 wrote to memory of 1776	2976	2024-05-09_c6c2918f1aab4192b2c5d543520d641e_cryptolocker.exe	28
PID 2976 wrote to memory of 1776	2976	2024-05-09_c6c2918f1aab4192b2c5d543520d641e_cryptolocker.exe	28
PID 2976 wrote to memory of 1776	2976	2024-05-09_c6c2918f1aab4192b2c5d543520d641e_cryptolocker.exe	28

C:\Users\Admin\AppData\Local\Temp\2024-05-09_c6c2918f1aab4192b2c5d543520d641e_cryptolocker.exe
"C:\Users\Admin\AppData\Local\Temp\2024-05-09_c6c2918f1aab4192b2c5d543520d641e_cryptolocker.exe"
1⤵
- Loads dropped DLL
- Suspicious use of WriteProcessMemory
PID:2976
- C:\Users\Admin\AppData\Local\Temp\misid.exe
  "C:\Users\Admin\AppData\Local\Temp\misid.exe"
  2⤵
  - Executes dropped EXE
  PID:1776

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

C:\Users\Admin\AppData\Local\Temp\misid.exe

Filesize
86KB

MD5
1352aedd114de9039f4f7686470d04ab

SHA1
777ed2a88ff57ef6fc91d85925c267f2a042c30f

SHA256
6572f9540f63455f67b3181109fe0a60465740bc87937227792fdd9bc6a1b233

SHA512
bac6a18d1d8aad6509b2064b3c8050e7023da3d2515ed0bd253a4bdd57e2ef82b8ca0c700720961875bc80843e42911c6dc1abed62a2e5c4b29ca6258338d2aa

Download Submit
memory/1776-15-0x0000000000380000-0x0000000000386000-memory.dmp

Filesize
24KB

Download
memory/1776-22-0x0000000000240000-0x0000000000246000-memory.dmp

Filesize
24KB

Download
memory/2976-0-0x00000000001C0000-0x00000000001C6000-memory.dmp

Filesize
24KB

Download
memory/2976-1-0x00000000003F0000-0x00000000003F6000-memory.dmp

Filesize
24KB

Download
memory/2976-8-0x00000000001C0000-0x00000000001C6000-memory.dmp

Filesize
24KB

Download