4f6d06e1043f2be3f1b44341974beff80e9e738aa107e6aa166675ba9873d029

Analysis

max time kernel
147s
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, 01:45

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General

Target

2024-02-03_139db184c30ae8e55e9db0a287ffd57e_cryptolocker.exe
Size

41KB
MD5

139db184c30ae8e55e9db0a287ffd57e
SHA1

25aea5d48ad292a380d445e1e8fb4697cd9ee1bf
SHA256

4f6d06e1043f2be3f1b44341974beff80e9e738aa107e6aa166675ba9873d029
SHA512

6135ecd3857bc4a218fe13205a7cee8433a5ad47fe155da0ba0ed91e629f15811a0f24c77b7756381dcaa5369926a134c570a39b2c0c6f0cd63598248291fdd7
SSDEEP

768:bxNQIE0eBhkL2Fo1CCwgfjOg1tsJ6zeen754XcwxbFqU:bxNrC7kYo1Fxf3s05rwxbFd

Score

9^/10

Malware Config

Signatures

Detection of CryptoLocker Variants 1 IoCs

resource	yara_rule
behavioral1/files/0x000c00000001224c-10.dat	CryptoLocker_rule2

Executes dropped EXE 1 IoCs

pid	Process
2772	pissa.exe

Loads dropped DLL 1 IoCs

pid	Process
2104	2024-02-03_139db184c30ae8e55e9db0a287ffd57e_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 2104 wrote to memory of 2772	2104	2024-02-03_139db184c30ae8e55e9db0a287ffd57e_cryptolocker.exe	28
PID 2104 wrote to memory of 2772	2104	2024-02-03_139db184c30ae8e55e9db0a287ffd57e_cryptolocker.exe	28
PID 2104 wrote to memory of 2772	2104	2024-02-03_139db184c30ae8e55e9db0a287ffd57e_cryptolocker.exe	28
PID 2104 wrote to memory of 2772	2104	2024-02-03_139db184c30ae8e55e9db0a287ffd57e_cryptolocker.exe	28

C:\Users\Admin\AppData\Local\Temp\2024-02-03_139db184c30ae8e55e9db0a287ffd57e_cryptolocker.exe
"C:\Users\Admin\AppData\Local\Temp\2024-02-03_139db184c30ae8e55e9db0a287ffd57e_cryptolocker.exe"
1⤵
- Loads dropped DLL
- Suspicious use of WriteProcessMemory
PID:2104
- C:\Users\Admin\AppData\Local\Temp\pissa.exe
  "C:\Users\Admin\AppData\Local\Temp\pissa.exe"
  2⤵
  - Executes dropped EXE
  PID:2772

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
1a26366c701f9ae48d281fa3a0a92973

SHA1
c70c1fb7cde525e78243372b4de96e8071ed5b83

SHA256
d2ee333cde22260b7fb88c181ea6575b72773335667afb75d73e31a4210a3a26

SHA512
1b20b37dae6e75a1193b0632eebcdcfa803053171840ed0f1bc38beb241cf7f1f4656e57dd458e183e4f2ac0674aa379101cb5b70bec02db1ccb301bb9f27b0e

Download Submit
memory/2104-0-0x0000000000350000-0x0000000000356000-memory.dmp

Filesize
24KB

Download
memory/2104-2-0x0000000000350000-0x0000000000356000-memory.dmp

Filesize
24KB

Download
memory/2104-1-0x0000000000360000-0x0000000000366000-memory.dmp

Filesize
24KB

Download
memory/2772-15-0x0000000000490000-0x0000000000496000-memory.dmp

Filesize
24KB

Download
memory/2772-17-0x0000000000480000-0x0000000000486000-memory.dmp

Filesize
24KB

Download