fbc4b6f3ec9cc571b18299f626d6e16bd2d6f129df8dbcfa7b5a6ddc20ea5372

Analysis

max time kernel
149s
max time network
149s
platform
windows7_x64
resource
win7-20240220-en
resource tags

arch:x64arch:x86image:win7-20240220-enlocale:en-usos:windows7-x64system
submitted
27/03/2024, 14:32

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General

Target

2024-03-27_561524fa4cff97047fd0c9a09917e904_cryptolocker.exe
Size

54KB
MD5

561524fa4cff97047fd0c9a09917e904
SHA1

3ca9b5c82efea82826ac3365085f51a1d47abcd5
SHA256

fbc4b6f3ec9cc571b18299f626d6e16bd2d6f129df8dbcfa7b5a6ddc20ea5372
SHA512

0d9913293c14244ca5a808d7abf85c174d39cd4793aebaaf29aa2aafb790f2aa75e516a167584cb5df0b6f64cdc61cbd57444dfff08870b0c9903706e2f24eb9
SSDEEP

1536:ZzFbxmLPWQMOtEvwDpj386Sj/WprgJN6tZdO5YRtQ:ZVxkGOtEvwDpjct

Score

9^/10

Malware Config

Signatures

Detection of CryptoLocker Variants 1 IoCs

resource	yara_rule
behavioral1/files/0x000d000000012253-10.dat	CryptoLocker_rule2

Executes dropped EXE 1 IoCs

pid	Process
2744	misid.exe

Loads dropped DLL 1 IoCs

pid	Process
2184	2024-03-27_561524fa4cff97047fd0c9a09917e904_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 2184 wrote to memory of 2744	2184	2024-03-27_561524fa4cff97047fd0c9a09917e904_cryptolocker.exe	28
PID 2184 wrote to memory of 2744	2184	2024-03-27_561524fa4cff97047fd0c9a09917e904_cryptolocker.exe	28
PID 2184 wrote to memory of 2744	2184	2024-03-27_561524fa4cff97047fd0c9a09917e904_cryptolocker.exe	28
PID 2184 wrote to memory of 2744	2184	2024-03-27_561524fa4cff97047fd0c9a09917e904_cryptolocker.exe	28

C:\Users\Admin\AppData\Local\Temp\2024-03-27_561524fa4cff97047fd0c9a09917e904_cryptolocker.exe
"C:\Users\Admin\AppData\Local\Temp\2024-03-27_561524fa4cff97047fd0c9a09917e904_cryptolocker.exe"
1⤵
- Loads dropped DLL
- Suspicious use of WriteProcessMemory
PID:2184
- C:\Users\Admin\AppData\Local\Temp\misid.exe
  "C:\Users\Admin\AppData\Local\Temp\misid.exe"
  2⤵
  - Executes dropped EXE
  PID:2744

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\misid.exe

Filesize
54KB

MD5
52f845fdd8162df2e3b804df5ad5f8db

SHA1
5b2692be9f9ab1eb475ccdb6759f1391ec149e67

SHA256
4086db8b1518e704fa8723b047caba4da307f6819140665239332ab6a02d6f3a

SHA512
d75a415a99020e618c72b8d81a95f2e5055bcb0ab2e28329f5dc2cb593fe2abc0609da3712b005585d692e2d0a377d75e7b8509fc4307bf2ef1863ee96e6d887

Download Submit
memory/2184-0-0x00000000001D0000-0x00000000001D6000-memory.dmp

Filesize
24KB

Download
memory/2184-2-0x00000000001D0000-0x00000000001D6000-memory.dmp

Filesize
24KB

Download
memory/2184-1-0x0000000000290000-0x0000000000296000-memory.dmp

Filesize
24KB

Download
memory/2744-16-0x00000000003B0000-0x00000000003B6000-memory.dmp

Filesize
24KB

Download
memory/2744-15-0x00000000003F0000-0x00000000003F6000-memory.dmp

Filesize
24KB

Download