4866650626055c8b53c9372a5a5540c5d65e0e22d4360f4368117dc8a1f91d39

Analysis

max time kernel
149s
max time network
150s
platform
windows7_x64
resource
win7-20240221-en
resource tags

arch:x64arch:x86image:win7-20240221-enlocale:en-usos:windows7-x64system
submitted
06-04-2024 09:27

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General

Target

2024-04-06_1c82e8095d0bd85e0e2b3137befe2dd1_cryptolocker.exe
Size

63KB
MD5

1c82e8095d0bd85e0e2b3137befe2dd1
SHA1

3612c44f1932031d29facc97e86bd6519d8462ec
SHA256

4866650626055c8b53c9372a5a5540c5d65e0e22d4360f4368117dc8a1f91d39
SHA512

b64979d722a359d5153b156ffc9ce2e8d1b2b3b8ad885ead7d77f17bc5b9b4cd1752f7f1f3a0520dde924f724ec18cb1bb32c34fa8827d4241467e4a538f9b27
SSDEEP

1536:X6QFElP6n+gJQMOtEvwDpjBccD2RuoNmuBLZ/xblzoy:X6a+SOtEvwDpjBrOP

Score

9^/10

Malware Config

Signatures

Detection of CryptoLocker Variants 1 IoCs

resource	yara_rule
behavioral1/files/0x000c00000001224f-10.dat	CryptoLocker_rule2

Detection of Cryptolocker Samples 1 IoCs

resource	yara_rule
behavioral1/files/0x000c00000001224f-10.dat	CryptoLocker_set1

Executes dropped EXE 1 IoCs

pid	Process
2292	asih.exe

Loads dropped DLL 1 IoCs

pid	Process
2004	2024-04-06_1c82e8095d0bd85e0e2b3137befe2dd1_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 2004 wrote to memory of 2292	2004	2024-04-06_1c82e8095d0bd85e0e2b3137befe2dd1_cryptolocker.exe	28
PID 2004 wrote to memory of 2292	2004	2024-04-06_1c82e8095d0bd85e0e2b3137befe2dd1_cryptolocker.exe	28
PID 2004 wrote to memory of 2292	2004	2024-04-06_1c82e8095d0bd85e0e2b3137befe2dd1_cryptolocker.exe	28
PID 2004 wrote to memory of 2292	2004	2024-04-06_1c82e8095d0bd85e0e2b3137befe2dd1_cryptolocker.exe	28

C:\Users\Admin\AppData\Local\Temp\2024-04-06_1c82e8095d0bd85e0e2b3137befe2dd1_cryptolocker.exe
"C:\Users\Admin\AppData\Local\Temp\2024-04-06_1c82e8095d0bd85e0e2b3137befe2dd1_cryptolocker.exe"
1⤵
- Loads dropped DLL
- Suspicious use of WriteProcessMemory
PID:2004
- C:\Users\Admin\AppData\Local\Temp\asih.exe
  "C:\Users\Admin\AppData\Local\Temp\asih.exe"
  2⤵
  - Executes dropped EXE
  PID:2292

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\asih.exe

Filesize
63KB

MD5
95bcdd760b69c249d583b9a44805e056

SHA1
8188a5a941d8a4c1143567945241e025ebaa3017

SHA256
62c301ba4d0e5da001f83b389a80630ecbd060140166b3f40512fc854bfa7926

SHA512
7a420bbebfd8aacfcdc38bacb9ca675c85f611bfed155ea0382c92bf2df8620ce89354a96b40f0a67c25f8a55c86d1abfa951750275c39e3954282549cd036ee

Download Submit
memory/2004-0-0x00000000001D0000-0x00000000001D6000-memory.dmp

Filesize
24KB

Download
memory/2004-1-0x0000000000290000-0x0000000000296000-memory.dmp

Filesize
24KB

Download
memory/2004-2-0x00000000001D0000-0x00000000001D6000-memory.dmp

Filesize
24KB

Download
memory/2292-15-0x0000000000470000-0x0000000000476000-memory.dmp

Filesize
24KB

Download
memory/2292-17-0x0000000000330000-0x0000000000336000-memory.dmp

Filesize
24KB

Download