f30b5fe97d5f0d47b0d714e752ba3f33f59feaacff561645651963a6486ce93a

Analysis

max time kernel
148s
max time network
148s
platform
windows7_x64
resource
win7-20240419-en
resource tags

arch:x64arch:x86image:win7-20240419-enlocale:en-usos:windows7-x64system
submitted
09/05/2024, 23:26

Sharing

Copy URL

Twitter E-mail

Report Analysis Logs

General

Target

2024-05-09_7173bb82bcad998f6bca13ed45b4c792_cryptolocker.exe
Size

51KB
MD5

7173bb82bcad998f6bca13ed45b4c792
SHA1

04d129ede3d54bbf2250fedb97ef6be361c98f9e
SHA256

f30b5fe97d5f0d47b0d714e752ba3f33f59feaacff561645651963a6486ce93a
SHA512

f48f4bfedc3ba7c69215aaffe0a4091d948e0b94b684dfaf380d693b48ceecc8d8316f4e1ba6d1a5a3f9464e3ebd89a1136ece0b0acff690876c60a22895aef4
SSDEEP

768:X6LsoEEeegiZPvEhHSG+gp/BtOOtEvwDpjBVaD3E09vxcOQ:X6QFElP6n+gJBMOtEvwDpjBtExLQ

Score

9^/10

Malware Config

Signatures

Detection of CryptoLocker Variants 1 IoCs

resource	yara_rule
behavioral1/files/0x000b000000012271-10.dat	CryptoLocker_rule2

Detection of Cryptolocker Samples 1 IoCs

resource	yara_rule
behavioral1/files/0x000b000000012271-10.dat	CryptoLocker_set1

Executes dropped EXE 1 IoCs

pid	Process
2164	asih.exe

Loads dropped DLL 1 IoCs

pid	Process
2396	2024-05-09_7173bb82bcad998f6bca13ed45b4c792_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 2396 wrote to memory of 2164	2396	2024-05-09_7173bb82bcad998f6bca13ed45b4c792_cryptolocker.exe	28
PID 2396 wrote to memory of 2164	2396	2024-05-09_7173bb82bcad998f6bca13ed45b4c792_cryptolocker.exe	28
PID 2396 wrote to memory of 2164	2396	2024-05-09_7173bb82bcad998f6bca13ed45b4c792_cryptolocker.exe	28
PID 2396 wrote to memory of 2164	2396	2024-05-09_7173bb82bcad998f6bca13ed45b4c792_cryptolocker.exe	28

C:\Users\Admin\AppData\Local\Temp\2024-05-09_7173bb82bcad998f6bca13ed45b4c792_cryptolocker.exe
"C:\Users\Admin\AppData\Local\Temp\2024-05-09_7173bb82bcad998f6bca13ed45b4c792_cryptolocker.exe"
1⤵
- Loads dropped DLL
- Suspicious use of WriteProcessMemory
PID:2396
- C:\Users\Admin\AppData\Local\Temp\asih.exe
  "C:\Users\Admin\AppData\Local\Temp\asih.exe"
  2⤵
  - Executes dropped EXE
  PID:2164

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

Loading Replay Monitor...

Downloads

\Users\Admin\AppData\Local\Temp\asih.exe

Filesize
52KB

MD5
891ea7ad71804a839fb650c863d2228d

SHA1
160e62c7433825baf9b9c552903e53d4901dc333

SHA256
a3254fa3830ad3daf630292b27ecc88b630612e71aa75031c83a480be0c54d86

SHA512
57534617b22e187d2fb61b417c1c3f0e9ee9814dc35a48e42b0b61795e8f53b6f4c4ca7062f7508fc3ba3b4c2c63f539f548a34a67e07f7c08eda0f8b922f2bf

Download Submit
memory/2164-15-0x0000000000470000-0x0000000000476000-memory.dmp

Filesize
24KB

Download
memory/2164-22-0x0000000000330000-0x0000000000336000-memory.dmp

Filesize
24KB

Download
memory/2396-0-0x0000000000460000-0x0000000000466000-memory.dmp

Filesize
24KB

Download
memory/2396-8-0x0000000000460000-0x0000000000466000-memory.dmp

Filesize
24KB

Download
memory/2396-1-0x00000000004B0000-0x00000000004B6000-memory.dmp

Filesize
24KB

Download