cea63202fd1a1471497ee327e423a4b06ee6141d78d50dabcf84290e6784eca6

Analysis

max time kernel
148s
max time network
148s
platform
windows7_x64
resource
win7-20240215-en
resource tags

arch:x64arch:x86image:win7-20240215-enlocale:en-usos:windows7-x64system
submitted
15/03/2024, 23:31

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General

Target

2024-03-15_51797d9522e2cc8a1b93ebe4d3eba740_cryptolocker.exe
Size

38KB
MD5

51797d9522e2cc8a1b93ebe4d3eba740
SHA1

367d6ca7b56bde2efd8d82f177b61369dad6827a
SHA256

cea63202fd1a1471497ee327e423a4b06ee6141d78d50dabcf84290e6784eca6
SHA512

8ebdba154b73bc0cabacc2e3867cb6b30c55c9c8c8f6c6cc18e57e841c0bbd2b19c7e4a2b756ff989055b5b06f2fc2ff1351f109b8cd18364c0dd8e2514fdd2e
SSDEEP

768:X6LsoEEeegiZPvEhHSG+gp/QtOOtEvwDpjBVaD3TP7DFCp4N:X6QFElP6n+gJQMOtEvwDpjBmzDUp4N

Score

9^/10

Malware Config

Signatures

Detection of CryptoLocker Variants 1 IoCs

resource	yara_rule
behavioral1/files/0x0009000000012248-21.dat	CryptoLocker_rule2

Detection of Cryptolocker Samples 1 IoCs

resource	yara_rule
behavioral1/files/0x0009000000012248-21.dat	CryptoLocker_set1

Executes dropped EXE 1 IoCs

pid	Process
2936	asih.exe

Loads dropped DLL 1 IoCs

pid	Process
2204	2024-03-15_51797d9522e2cc8a1b93ebe4d3eba740_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 2204 wrote to memory of 2936	2204	2024-03-15_51797d9522e2cc8a1b93ebe4d3eba740_cryptolocker.exe	28
PID 2204 wrote to memory of 2936	2204	2024-03-15_51797d9522e2cc8a1b93ebe4d3eba740_cryptolocker.exe	28
PID 2204 wrote to memory of 2936	2204	2024-03-15_51797d9522e2cc8a1b93ebe4d3eba740_cryptolocker.exe	28
PID 2204 wrote to memory of 2936	2204	2024-03-15_51797d9522e2cc8a1b93ebe4d3eba740_cryptolocker.exe	28

C:\Users\Admin\AppData\Local\Temp\2024-03-15_51797d9522e2cc8a1b93ebe4d3eba740_cryptolocker.exe
"C:\Users\Admin\AppData\Local\Temp\2024-03-15_51797d9522e2cc8a1b93ebe4d3eba740_cryptolocker.exe"
1⤵
- Loads dropped DLL
- Suspicious use of WriteProcessMemory
PID:2204
- C:\Users\Admin\AppData\Local\Temp\asih.exe
  "C:\Users\Admin\AppData\Local\Temp\asih.exe"
  2⤵
  - Executes dropped EXE
  PID:2936

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
38KB

MD5
cb886f36d9ff14d71cd12b8546ce74ba

SHA1
5024d2f4306d7c211c322315cd240c28f5a70819

SHA256
5f9c31b79c5ef941d64ec2b50eac103f969c714ae901d4e16d5d0b8b153188f1

SHA512
340164c87c65d6c12711a1338b963e70cd76c69b1373bd1c72d92b0a9f763e298791ac1de8bd253e352e4be40762e46c1d81cf5ea2e1f2c7424c278f290c32fc

Download Submit
memory/2204-8-0x00000000002C0000-0x00000000002C6000-memory.dmp

Filesize
24KB

Download
memory/2204-1-0x0000000000520000-0x0000000000526000-memory.dmp

Filesize
24KB

Download
memory/2204-0-0x00000000002C0000-0x00000000002C6000-memory.dmp

Filesize
24KB

Download
memory/2936-22-0x0000000000240000-0x0000000000246000-memory.dmp

Filesize
24KB

Download
memory/2936-15-0x00000000003D0000-0x00000000003D6000-memory.dmp

Filesize
24KB

Download