f8d10a7c8f979f1b3bbc1afb78e380143214d7d91288a7254b3f5efe267a4a3a

Analysis

max time kernel
150s
max time network
154s
platform
windows7_x64
resource
win7-20231129-en
resource tags

arch:x64arch:x86image:win7-20231129-enlocale:en-usos:windows7-x64system
submitted
30/06/2024, 00:27

Sharing

Copy URL

Twitter E-mail

Report Analysis Logs

General

Target

2024-06-30_6e660a3dc85330bc61013db92fecfba8_cryptolocker.exe
Size

79KB
MD5

6e660a3dc85330bc61013db92fecfba8
SHA1

4fab28cf5702f9ff796a313b4c7028c70689cea5
SHA256

f8d10a7c8f979f1b3bbc1afb78e380143214d7d91288a7254b3f5efe267a4a3a
SHA512

3a5938804c8f9e021fb26829e41f8615edb5bf1d0dd506ac4defc606fbc1c13670eccf3480e441a82ded8c768ca69fbc930b2f5a20040930107a94b29ffed154
SSDEEP

1536:ZzFbxmLPWQMOtEvwDpj386Sj/WprgJN6tZdOyJ3KUJ8:ZVxkGOtEvwDpjca18

Score

9^/10

Malware Config

Signatures

Detection of CryptoLocker Variants 1 IoCs

resource	yara_rule
behavioral1/files/0x000b000000014abe-11.dat	CryptoLocker_rule2

Executes dropped EXE 1 IoCs

pid	Process
2616	misid.exe

Loads dropped DLL 1 IoCs

pid	Process
3052	2024-06-30_6e660a3dc85330bc61013db92fecfba8_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 3052 wrote to memory of 2616	3052	2024-06-30_6e660a3dc85330bc61013db92fecfba8_cryptolocker.exe	28
PID 3052 wrote to memory of 2616	3052	2024-06-30_6e660a3dc85330bc61013db92fecfba8_cryptolocker.exe	28
PID 3052 wrote to memory of 2616	3052	2024-06-30_6e660a3dc85330bc61013db92fecfba8_cryptolocker.exe	28
PID 3052 wrote to memory of 2616	3052	2024-06-30_6e660a3dc85330bc61013db92fecfba8_cryptolocker.exe	28

C:\Users\Admin\AppData\Local\Temp\2024-06-30_6e660a3dc85330bc61013db92fecfba8_cryptolocker.exe
"C:\Users\Admin\AppData\Local\Temp\2024-06-30_6e660a3dc85330bc61013db92fecfba8_cryptolocker.exe"
1⤵
- Loads dropped DLL
- Suspicious use of WriteProcessMemory
PID:3052
- C:\Users\Admin\AppData\Local\Temp\misid.exe
  "C:\Users\Admin\AppData\Local\Temp\misid.exe"
  2⤵
  - Executes dropped EXE
  PID:2616

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

Loading Replay Monitor...

Downloads

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

Filesize
79KB

MD5
9e7cc17b09698253d5978ece47e93549

SHA1
bc42d85b0770de74f287d0985d26e58bc541b35f

SHA256
93ca9b83f83e4eb9e764cd2eb1ea88b336bd2aa91385ed777df7b600bc559c26

SHA512
1c0cb1dd4c9bf4868afc6e1fad94e9fed6b4962ad538c0d729dc91985de3fbcd595a5e15ff8b4bcda5f56f71bd012dfecdf50d2c34df72acb70cf91fc9af9e94

Download Submit
memory/2616-15-0x0000000000230000-0x0000000000233000-memory.dmp

Filesize
12KB

Download
memory/2616-24-0x0000000000240000-0x0000000000246000-memory.dmp

Filesize
24KB

Download
memory/2616-17-0x0000000000340000-0x0000000000346000-memory.dmp

Filesize
24KB

Download
memory/2616-25-0x0000000000230000-0x0000000000233000-memory.dmp

Filesize
12KB

Download
memory/3052-0-0x00000000001D0000-0x00000000001D6000-memory.dmp

Filesize
24KB

Download
memory/3052-1-0x0000000000290000-0x0000000000296000-memory.dmp

Filesize
24KB

Download
memory/3052-9-0x00000000001D0000-0x00000000001D6000-memory.dmp

Filesize
24KB

Download
memory/3052-8-0x00000000001C0000-0x00000000001C6000-memory.dmp

Filesize
24KB

Download