5a2cfee95c577bb6c5d75b4ab369b0684613d28887ed382d273612ee2e5b1b98

Analysis

max time kernel
151s
max time network
158s
platform
windows7_x64
resource
win7-20240221-en
resource tags

arch:x64arch:x86image:win7-20240221-enlocale:en-usos:windows7-x64system
submitted
15/03/2024, 13:51

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General

Target

2024-03-15_8dd5b0270429cce13fa7b5bf177d3837_cryptolocker.exe
Size

43KB
MD5

8dd5b0270429cce13fa7b5bf177d3837
SHA1

10438a8bcb463d72ac39ad6776b3e71c1d694d52
SHA256

5a2cfee95c577bb6c5d75b4ab369b0684613d28887ed382d273612ee2e5b1b98
SHA512

e67e9ce1355e935692ac3cc3ef0c0dfd0246f9c3aa6a0ec6aa7efe71fb4b141b67621a2a6ac5bc270061c2bb58ee8b736b10e5770b5f48c97276639e1d5f833f
SSDEEP

768:bxNQIE0eBhkL2Fo1CCwgfjOg1tsJ6zeen754XcwxbFp1Yvb9ST3e:bxNrC7kYo1Fxf3s05rwxbF7YvbUT3e

Score

9^/10

Malware Config

Signatures

Detection of CryptoLocker Variants 1 IoCs

resource	yara_rule
behavioral1/files/0x000c0000000122dd-10.dat	CryptoLocker_rule2

Executes dropped EXE 1 IoCs

pid	Process
2596	pissa.exe

Loads dropped DLL 1 IoCs

pid	Process
2036	2024-03-15_8dd5b0270429cce13fa7b5bf177d3837_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 2036 wrote to memory of 2596	2036	2024-03-15_8dd5b0270429cce13fa7b5bf177d3837_cryptolocker.exe	28
PID 2036 wrote to memory of 2596	2036	2024-03-15_8dd5b0270429cce13fa7b5bf177d3837_cryptolocker.exe	28
PID 2036 wrote to memory of 2596	2036	2024-03-15_8dd5b0270429cce13fa7b5bf177d3837_cryptolocker.exe	28
PID 2036 wrote to memory of 2596	2036	2024-03-15_8dd5b0270429cce13fa7b5bf177d3837_cryptolocker.exe	28

C:\Users\Admin\AppData\Local\Temp\2024-03-15_8dd5b0270429cce13fa7b5bf177d3837_cryptolocker.exe
"C:\Users\Admin\AppData\Local\Temp\2024-03-15_8dd5b0270429cce13fa7b5bf177d3837_cryptolocker.exe"
1⤵
- Loads dropped DLL
- Suspicious use of WriteProcessMemory
PID:2036
- C:\Users\Admin\AppData\Local\Temp\pissa.exe
  "C:\Users\Admin\AppData\Local\Temp\pissa.exe"
  2⤵
  - Executes dropped EXE
  PID:2596

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
44KB

MD5
bc0010d6f685d6199dd9607684288b05

SHA1
360f8038a81f66b2471ef1e52e45d5a23e63eae3

SHA256
0973d645b483e4cdd4ef091145a6a16126a0a4166faae20467388a4a19e557b3

SHA512
30a776f56a54dc39056edfa97733d400790d5e8c7bf8cd01ee99bd66f548c1d42300748c62e1d09e0e7e50d86af498c1814f9cea5ba1094d6d487d4bd70e26a0

Download Submit
memory/2036-0-0x00000000004D0000-0x00000000004D6000-memory.dmp

Filesize
24KB

Download
memory/2036-1-0x0000000000780000-0x0000000000786000-memory.dmp

Filesize
24KB

Download
memory/2036-2-0x00000000004D0000-0x00000000004D6000-memory.dmp

Filesize
24KB

Download
memory/2596-15-0x0000000001C00000-0x0000000001C06000-memory.dmp

Filesize
24KB

Download
memory/2596-18-0x0000000000340000-0x0000000000346000-memory.dmp

Filesize
24KB

Download