27dc023684cbd945e3febdb2b78762fccb6cdfd37c89ba2ccbf1ed4a464c5c17

Analysis

max time kernel
149s
max time network
151s
platform
windows7_x64
resource
win7-20231129-en
resource tags

arch:x64arch:x86image:win7-20231129-enlocale:en-usos:windows7-x64system
submitted
12/02/2024, 15:34

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General

Target

2024-02-12_6bc4594d9528d612d427a57b9498570e_cryptolocker.exe
Size

40KB
MD5

6bc4594d9528d612d427a57b9498570e
SHA1

5eb00f23e199f8b780bf8a695955a76502bb5fd9
SHA256

27dc023684cbd945e3febdb2b78762fccb6cdfd37c89ba2ccbf1ed4a464c5c17
SHA512

befbf9cc02ba5bc8302decaf0f3a087d681f4b21b03b8a2c773957dc4951ec4167c05ba4a0ff43c415bd31d1b55f4de8922deb3914ec4db47b32410e80089b7f
SSDEEP

768:bxNQIE0eBhkL2Fo1CCwgfjOg1tsJ6zeen754XcwxbFp1bhO:bxNrC7kYo1Fxf3s05rwxbF7FO

Score

9^/10

Malware Config

Signatures

Detection of CryptoLocker Variants 1 IoCs

resource	yara_rule
behavioral1/files/0x0009000000015c46-10.dat	CryptoLocker_rule2

Executes dropped EXE 1 IoCs

pid	Process
3068	pissa.exe

Loads dropped DLL 1 IoCs

pid	Process
2932	2024-02-12_6bc4594d9528d612d427a57b9498570e_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 2932 wrote to memory of 3068	2932	2024-02-12_6bc4594d9528d612d427a57b9498570e_cryptolocker.exe	28
PID 2932 wrote to memory of 3068	2932	2024-02-12_6bc4594d9528d612d427a57b9498570e_cryptolocker.exe	28
PID 2932 wrote to memory of 3068	2932	2024-02-12_6bc4594d9528d612d427a57b9498570e_cryptolocker.exe	28
PID 2932 wrote to memory of 3068	2932	2024-02-12_6bc4594d9528d612d427a57b9498570e_cryptolocker.exe	28

C:\Users\Admin\AppData\Local\Temp\2024-02-12_6bc4594d9528d612d427a57b9498570e_cryptolocker.exe
"C:\Users\Admin\AppData\Local\Temp\2024-02-12_6bc4594d9528d612d427a57b9498570e_cryptolocker.exe"
1⤵
- Loads dropped DLL
- Suspicious use of WriteProcessMemory
PID:2932
- C:\Users\Admin\AppData\Local\Temp\pissa.exe
  "C:\Users\Admin\AppData\Local\Temp\pissa.exe"
  2⤵
  - Executes dropped EXE
  PID:3068

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
40KB

MD5
6a8b2f067b9f5d97194e3a2469b4a662

SHA1
9bf6b4bbdada2dae897cd28fcaa5d51e0b388b46

SHA256
ab58e152b21e5abc7810d0b205637dfdcd74c400636475fea15409938915da30

SHA512
8d6628586f4379725db317b2a362b551329c70b444a26134eb0a3442de5344b4ae64e1ec172c52c8232d5169e549e0a14d7570dd697461e4a385459502e2d78d

Download Submit
memory/2932-0-0x0000000000530000-0x0000000000536000-memory.dmp

Filesize
24KB

Download
memory/2932-1-0x0000000000540000-0x0000000000546000-memory.dmp

Filesize
24KB

Download
memory/2932-7-0x0000000000530000-0x0000000000536000-memory.dmp

Filesize
24KB

Download
memory/3068-15-0x0000000000360000-0x0000000000366000-memory.dmp

Filesize
24KB

Download
memory/3068-22-0x0000000000350000-0x0000000000356000-memory.dmp

Filesize
24KB

Download