4c9852bfa07008a544a8ae89cb58f4d92dd4a09d77efcc0f0fe4445053aa6c2f

Analysis

max time kernel
148s
max time network
152s
platform
windows7_x64
resource
win7-20240215-en
resource tags

arch:x64arch:x86image:win7-20240215-enlocale:en-usos:windows7-x64system
submitted
06/03/2024, 02:24

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General

Target

2024-03-06_338e9a522c9fff9ba2f4accbb0a9d6bd_cryptolocker.exe
Size

68KB
MD5

338e9a522c9fff9ba2f4accbb0a9d6bd
SHA1

b5a631c0b1bda54ef7530ea552b5afa021a3ce0b
SHA256

4c9852bfa07008a544a8ae89cb58f4d92dd4a09d77efcc0f0fe4445053aa6c2f
SHA512

fab799ad8f9fd95a2aba02fc144b8ea938b73355e0ea3b9e780612ab7a9e50ec2180b3daa95d701f05940e227f7d87e1466e30812527b92929a94764751e48f4
SSDEEP

768:vQz7yVEhs9+js1SQtOOtEvwDpjz9+4ZPsED3VK2+ZtyOjgO4r9vFAg2rq2g1B/Rn:vj+jsMQMOtEvwDpj5HZYTjipvF24f

Score

9^/10

Malware Config

Signatures

Detection of CryptoLocker Variants 1 IoCs

resource	yara_rule
behavioral1/files/0x000c000000012320-10.dat	CryptoLocker_rule2

Detection of Cryptolocker Samples 1 IoCs

resource	yara_rule
behavioral1/files/0x000c000000012320-10.dat	CryptoLocker_set1

Executes dropped EXE 1 IoCs

pid	Process
2272	misid.exe

Loads dropped DLL 1 IoCs

pid	Process
1996	2024-03-06_338e9a522c9fff9ba2f4accbb0a9d6bd_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 1996 wrote to memory of 2272	1996	2024-03-06_338e9a522c9fff9ba2f4accbb0a9d6bd_cryptolocker.exe	28
PID 1996 wrote to memory of 2272	1996	2024-03-06_338e9a522c9fff9ba2f4accbb0a9d6bd_cryptolocker.exe	28
PID 1996 wrote to memory of 2272	1996	2024-03-06_338e9a522c9fff9ba2f4accbb0a9d6bd_cryptolocker.exe	28
PID 1996 wrote to memory of 2272	1996	2024-03-06_338e9a522c9fff9ba2f4accbb0a9d6bd_cryptolocker.exe	28

C:\Users\Admin\AppData\Local\Temp\2024-03-06_338e9a522c9fff9ba2f4accbb0a9d6bd_cryptolocker.exe
"C:\Users\Admin\AppData\Local\Temp\2024-03-06_338e9a522c9fff9ba2f4accbb0a9d6bd_cryptolocker.exe"
1⤵
- Loads dropped DLL
- Suspicious use of WriteProcessMemory
PID:1996
- C:\Users\Admin\AppData\Local\Temp\misid.exe
  "C:\Users\Admin\AppData\Local\Temp\misid.exe"
  2⤵
  - Executes dropped EXE
  PID:2272

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
68KB

MD5
25ea0aa7e6fe98baed7c4743defe312b

SHA1
293ad8fdd17eb8d3e9df03602facf28cfb913e34

SHA256
2daef6e1d1dc145d6eb20799558b2cbce870ee425f3747b8117b09739a01cb17

SHA512
0de69bb13a80e6d5c0a4837bcf6947e3ed30aa28d091b6ad4a789317522ed74ab4370dd9bf302d22de83409169848100e74d3d742ab6d78799eed6e900eb96b4

Download Submit
memory/1996-0-0x0000000000230000-0x0000000000236000-memory.dmp

Filesize
24KB

Download
memory/1996-1-0x00000000002B0000-0x00000000002B6000-memory.dmp

Filesize
24KB

Download
memory/1996-8-0x0000000000230000-0x0000000000236000-memory.dmp

Filesize
24KB

Download
memory/2272-15-0x00000000004A0000-0x00000000004A6000-memory.dmp

Filesize
24KB

Download
memory/2272-22-0x0000000000280000-0x0000000000286000-memory.dmp

Filesize
24KB

Download