f6c6698a6c3691aca395cae9d790e33adff7278e5c2b343116917c765d190806

Analysis

max time kernel
148s
max time network
148s
platform
windows7_x64
resource
win7-20231129-en
resource tags

arch:x64arch:x86image:win7-20231129-enlocale:en-usos:windows7-x64system
submitted
29/01/2024, 00:31

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General

Target

2024-01-29_ace4e9debd2308259b2cb7a1b5644357_cryptolocker.exe
Size

71KB
MD5

ace4e9debd2308259b2cb7a1b5644357
SHA1

00aaf178eba499c4cd6cbb6066eae609ea385895
SHA256

f6c6698a6c3691aca395cae9d790e33adff7278e5c2b343116917c765d190806
SHA512

928a34731551d1005c8737553b970f035c8d36db6a102d5a2d71d56934dd7cc8bc74d2a274eba2f8c0d6deed4baf60315405875b9e6f06de8b42a3b135f29120
SSDEEP

1536:X6QFElP6n+gJQMOtEvwDpjBZYTjipvF2bx1bZ:X6a+SOtEvwDpjBZYvQd2l

Score

9^/10

Malware Config

Signatures

Detection of CryptoLocker Variants 1 IoCs

resource	yara_rule
behavioral1/files/0x000a000000013a1a-13.dat	CryptoLocker_rule2

Detection of Cryptolocker Samples 1 IoCs

resource	yara_rule
behavioral1/files/0x000a000000013a1a-13.dat	CryptoLocker_set1

Executes dropped EXE 1 IoCs

pid	Process
2828	asih.exe

Loads dropped DLL 1 IoCs

pid	Process
2956	2024-01-29_ace4e9debd2308259b2cb7a1b5644357_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 2956 wrote to memory of 2828	2956	2024-01-29_ace4e9debd2308259b2cb7a1b5644357_cryptolocker.exe	28
PID 2956 wrote to memory of 2828	2956	2024-01-29_ace4e9debd2308259b2cb7a1b5644357_cryptolocker.exe	28
PID 2956 wrote to memory of 2828	2956	2024-01-29_ace4e9debd2308259b2cb7a1b5644357_cryptolocker.exe	28
PID 2956 wrote to memory of 2828	2956	2024-01-29_ace4e9debd2308259b2cb7a1b5644357_cryptolocker.exe	28

C:\Users\Admin\AppData\Local\Temp\2024-01-29_ace4e9debd2308259b2cb7a1b5644357_cryptolocker.exe
"C:\Users\Admin\AppData\Local\Temp\2024-01-29_ace4e9debd2308259b2cb7a1b5644357_cryptolocker.exe"
1⤵
- Loads dropped DLL
- Suspicious use of WriteProcessMemory
PID:2956
- C:\Users\Admin\AppData\Local\Temp\asih.exe
  "C:\Users\Admin\AppData\Local\Temp\asih.exe"
  2⤵
  - Executes dropped EXE
  PID:2828

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

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

Filesize
71KB

MD5
f4739aa8c93e2365a5e5c0bf96c98fcd

SHA1
08d632d51f1e105cee7899c3e0db24e7f0fd1533

SHA256
d1f4cd9d27084b93301ef0956cc3d3c3e85222b02a2d3eb0dc5dd48165b96f46

SHA512
b8a7844539c9d769ffb04929e00c2cc7b6680db9fb885907ed3bb84d47d0cb9508780825d2f02bf1f8ae53443d010181a0ee5dfc210cadfa2e081466a4460352

Download Submit
memory/2828-15-0x00000000002C0000-0x00000000002C6000-memory.dmp

Filesize
24KB

Download
memory/2828-17-0x0000000000240000-0x0000000000246000-memory.dmp

Filesize
24KB

Download
memory/2956-0-0x00000000002D0000-0x00000000002D6000-memory.dmp

Filesize
24KB

Download
memory/2956-1-0x0000000000310000-0x0000000000316000-memory.dmp

Filesize
24KB

Download
memory/2956-8-0x00000000002D0000-0x00000000002D6000-memory.dmp

Filesize
24KB

Download