7cee52752222655060b6800eb0d1f4232fa9fffd42f33cb25901b6d6be1d11d5

Analysis

max time kernel
149s
max time network
151s
platform
windows7_x64
resource
win7-20240215-en
resource tags

arch:x64arch:x86image:win7-20240215-enlocale:en-usos:windows7-x64system
submitted
13/03/2024, 14:49

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General

Target

2024-03-13_5aaad8b72138ea73a9c68ec0c82d718b_cryptolocker.exe
Size

41KB
MD5

5aaad8b72138ea73a9c68ec0c82d718b
SHA1

a3dc5eed88acc9626645df5a8ff2cb4c5bc133cf
SHA256

7cee52752222655060b6800eb0d1f4232fa9fffd42f33cb25901b6d6be1d11d5
SHA512

94e545b46fcfb289fdc24ed5161d013a5e54359c677cd0a0673036693b347a2571b83e98d47fe8927515c2d2c3080947b4312e0ef08e111cba65b96fc0667418
SSDEEP

768:bgX4zYcgTEu6QOaryfjqDDw3sCu5b+rc5vrBjnF3d:bgGYcA/53GADw8ClrcnF3d

Score

9^/10

Malware Config

Signatures

Detection of CryptoLocker Variants 1 IoCs

resource	yara_rule
behavioral1/files/0x00090000000122bf-10.dat	CryptoLocker_rule2

Executes dropped EXE 1 IoCs

pid	Process
2680	hasfj.exe

Loads dropped DLL 1 IoCs

pid	Process
2800	2024-03-13_5aaad8b72138ea73a9c68ec0c82d718b_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 2800 wrote to memory of 2680	2800	2024-03-13_5aaad8b72138ea73a9c68ec0c82d718b_cryptolocker.exe	28
PID 2800 wrote to memory of 2680	2800	2024-03-13_5aaad8b72138ea73a9c68ec0c82d718b_cryptolocker.exe	28
PID 2800 wrote to memory of 2680	2800	2024-03-13_5aaad8b72138ea73a9c68ec0c82d718b_cryptolocker.exe	28
PID 2800 wrote to memory of 2680	2800	2024-03-13_5aaad8b72138ea73a9c68ec0c82d718b_cryptolocker.exe	28

C:\Users\Admin\AppData\Local\Temp\2024-03-13_5aaad8b72138ea73a9c68ec0c82d718b_cryptolocker.exe
"C:\Users\Admin\AppData\Local\Temp\2024-03-13_5aaad8b72138ea73a9c68ec0c82d718b_cryptolocker.exe"
1⤵
- Loads dropped DLL
- Suspicious use of WriteProcessMemory
PID:2800
- C:\Users\Admin\AppData\Local\Temp\hasfj.exe
  "C:\Users\Admin\AppData\Local\Temp\hasfj.exe"
  2⤵
  - Executes dropped EXE
  PID:2680

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\hasfj.exe

Filesize
41KB

MD5
3ecd5563b0630e14dc6ca8d2baab83a1

SHA1
1ab51f001811b7733b80ebc9aebdd22a9c07c787

SHA256
a72038d55783ec444a193bd911d871108383e62ceb6efa3a6d943c20219874e9

SHA512
20c0149c1e0f37d11664c70d4c6dc599eafa043af286c38216a130f26109a75badefad8168334de9cbb9325992f4a5c796eb62f494f0f8cace83bf58a8cbf4a0

Download Submit
memory/2680-15-0x00000000005C0000-0x00000000005C6000-memory.dmp

Filesize
24KB

Download
memory/2680-22-0x00000000005B0000-0x00000000005B6000-memory.dmp

Filesize
24KB

Download
memory/2800-0-0x0000000000490000-0x0000000000496000-memory.dmp

Filesize
24KB

Download
memory/2800-1-0x00000000004A0000-0x00000000004A6000-memory.dmp

Filesize
24KB

Download
memory/2800-8-0x0000000000490000-0x0000000000496000-memory.dmp

Filesize
24KB

Download