9382d470e51b167b97920361cae7757ca0846b315aad97a04edc531342721d4e

Analysis

max time kernel
148s
max time network
148s
platform
windows7_x64
resource
win7-20231215-en
resource tags

arch:x64arch:x86image:win7-20231215-enlocale:en-usos:windows7-x64system
submitted
03-02-2024 01:24

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General

Target

2024-02-03_3d1742fa63a47fdcd9fe643261606a45_cryptolocker.exe
Size

42KB
MD5

3d1742fa63a47fdcd9fe643261606a45
SHA1

9344c0913f4cf00674a0e0301b78df7113050ea1
SHA256

9382d470e51b167b97920361cae7757ca0846b315aad97a04edc531342721d4e
SHA512

a4e2ea9f8e7208732144b1fc095c7d119e703576138c7fe34d466509af4da01d990d3f4ee03d98d4f5119017ca19a87fd43fe32de754cd0310fc796813cd9a12
SSDEEP

768:bxNQIE0eBhkL2Fo1CCwgfjOg1tsJ6zeen754XcwxbFp1Yvb9w:bxNrC7kYo1Fxf3s05rwxbF7Yvbe

Score

9^/10

Malware Config

Signatures

Detection of CryptoLocker Variants 1 IoCs

resource	yara_rule
behavioral1/files/0x000b00000001224d-10.dat	CryptoLocker_rule2

Executes dropped EXE 1 IoCs

pid	Process
2256	pissa.exe

Loads dropped DLL 1 IoCs

pid	Process
3020	2024-02-03_3d1742fa63a47fdcd9fe643261606a45_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 3020 wrote to memory of 2256	3020	2024-02-03_3d1742fa63a47fdcd9fe643261606a45_cryptolocker.exe	28
PID 3020 wrote to memory of 2256	3020	2024-02-03_3d1742fa63a47fdcd9fe643261606a45_cryptolocker.exe	28
PID 3020 wrote to memory of 2256	3020	2024-02-03_3d1742fa63a47fdcd9fe643261606a45_cryptolocker.exe	28
PID 3020 wrote to memory of 2256	3020	2024-02-03_3d1742fa63a47fdcd9fe643261606a45_cryptolocker.exe	28

C:\Users\Admin\AppData\Local\Temp\2024-02-03_3d1742fa63a47fdcd9fe643261606a45_cryptolocker.exe
"C:\Users\Admin\AppData\Local\Temp\2024-02-03_3d1742fa63a47fdcd9fe643261606a45_cryptolocker.exe"
1⤵
- Loads dropped DLL
- Suspicious use of WriteProcessMemory
PID:3020
- C:\Users\Admin\AppData\Local\Temp\pissa.exe
  "C:\Users\Admin\AppData\Local\Temp\pissa.exe"
  2⤵
  - Executes dropped EXE
  PID:2256

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\pissa.exe

Filesize
42KB

MD5
735c239936e9de8681c97124f23caf61

SHA1
b54053a9fd3001a1f0c9ac34060a28bf7d1ae656

SHA256
61ec603e2719e6fb5951d51a73e93527f49e5132719dd792df8067fda4777abe

SHA512
00251aa9f163aef794c4b6b8d4bba2a0934bc8571b4021ebc9971b952abf5453d5a3cb422f7f6245905b6b0b9352340d28cb77094659c891d8a222636e695d73

Download Submit
memory/2256-16-0x00000000005C0000-0x00000000005C6000-memory.dmp

Filesize
24KB

Download
memory/2256-15-0x00000000003D0000-0x00000000003D6000-memory.dmp

Filesize
24KB

Download
memory/3020-0-0x0000000000360000-0x0000000000366000-memory.dmp

Filesize
24KB

Download
memory/3020-1-0x0000000000580000-0x0000000000586000-memory.dmp

Filesize
24KB

Download
memory/3020-8-0x0000000000360000-0x0000000000366000-memory.dmp

Filesize
24KB

Download