38a81882e51e32e56cbf7babcd070e762453d6e6d2bb2eda2c5c4f414c4eb240

Analysis

max time kernel
148s
max time network
153s
platform
windows7_x64
resource
win7-20240221-en
resource tags

arch:x64arch:x86image:win7-20240221-enlocale:en-usos:windows7-x64system
submitted
25/02/2024, 12:29

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General

Target

2024-02-25_1c17c2422228c119ce44688b99b1a2e5_cryptolocker.exe
Size

46KB
MD5

1c17c2422228c119ce44688b99b1a2e5
SHA1

e6f3d3a65f74efc5cb152ad4a5884a09978ecd29
SHA256

38a81882e51e32e56cbf7babcd070e762453d6e6d2bb2eda2c5c4f414c4eb240
SHA512

ccdd6bf87fff993c2d1f7761eb9fb4e508b80e81b7330883778c8047c041dc8d9c67c2ff1cdeae5742b535672e53ac9d8ffb7e1f30e1d49c8c798489f39ab0c8
SSDEEP

768:bgX4zYcgTEu6QOaryfjqDlC6JFbK37Yl6IMhym:bgGYcA/53GAA6y37Q6zL

Score

9^/10

Malware Config

Signatures

Detection of CryptoLocker Variants 1 IoCs

resource	yara_rule
behavioral1/files/0x000b000000012251-13.dat	CryptoLocker_rule2

Executes dropped EXE 1 IoCs

pid	Process
3012	hasfj.exe

Loads dropped DLL 1 IoCs

pid	Process
2192	2024-02-25_1c17c2422228c119ce44688b99b1a2e5_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 2192 wrote to memory of 3012	2192	2024-02-25_1c17c2422228c119ce44688b99b1a2e5_cryptolocker.exe	28
PID 2192 wrote to memory of 3012	2192	2024-02-25_1c17c2422228c119ce44688b99b1a2e5_cryptolocker.exe	28
PID 2192 wrote to memory of 3012	2192	2024-02-25_1c17c2422228c119ce44688b99b1a2e5_cryptolocker.exe	28
PID 2192 wrote to memory of 3012	2192	2024-02-25_1c17c2422228c119ce44688b99b1a2e5_cryptolocker.exe	28

C:\Users\Admin\AppData\Local\Temp\2024-02-25_1c17c2422228c119ce44688b99b1a2e5_cryptolocker.exe
"C:\Users\Admin\AppData\Local\Temp\2024-02-25_1c17c2422228c119ce44688b99b1a2e5_cryptolocker.exe"
1⤵
- Loads dropped DLL
- Suspicious use of WriteProcessMemory
PID:2192
- C:\Users\Admin\AppData\Local\Temp\hasfj.exe
  "C:\Users\Admin\AppData\Local\Temp\hasfj.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

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

Filesize
46KB

MD5
9b0acc3a99a798751302e42d360e8a57

SHA1
1862b524175151504b064386c70931bb4acfdcdf

SHA256
42e527d531fbc4c4c92be113b9fd7a2ccff6e858cbec252c1481312c8146a915

SHA512
f114e62d13500691cb578e2ded5c86e36147be0832d692317c7c8f45e767395e420f73411b586edb299bc2c82e630da7daf0e279577cd40be2749682537a2544

Download Submit
memory/2192-0-0x0000000000200000-0x0000000000206000-memory.dmp

Filesize
24KB

Download
memory/2192-1-0x00000000002A0000-0x00000000002A6000-memory.dmp

Filesize
24KB

Download
memory/2192-2-0x0000000000200000-0x0000000000206000-memory.dmp

Filesize
24KB

Download
memory/3012-15-0x00000000003A0000-0x00000000003A6000-memory.dmp

Filesize
24KB

Download
memory/3012-18-0x0000000000380000-0x0000000000386000-memory.dmp

Filesize
24KB

Download