0cce5199517f0107bd1528c62cc6d7b29fa846bb05ad3b980296d832614486b9

Analysis

max time kernel
148s
max time network
149s
platform
windows7_x64
resource
win7-20240215-en
resource tags

arch:x64arch:x86image:win7-20240215-enlocale:en-usos:windows7-x64system
submitted
05-04-2024 20:46

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General

Target

2024-04-05_bf7cbbdafe86f694bc575de80e8d3b3a_cryptolocker.exe
Size

54KB
MD5

bf7cbbdafe86f694bc575de80e8d3b3a
SHA1

c6aa29fece80c0e0615e07460de47bac10f9b611
SHA256

0cce5199517f0107bd1528c62cc6d7b29fa846bb05ad3b980296d832614486b9
SHA512

fd9ff9a73a597eaaf43109c1daaa03819bbe8ea675d34f67285ce78e24c20e013a267ef7ab0a4f9cd474804e74534385a669ee0bfcc383b89169eb42e87a7d83
SSDEEP

1536:V6QFElP6n+gMQMOtEvwDpjeJQ7pojakl8eys:V6a+pOtEvwDpj8

Score

9^/10

Malware Config

Signatures

Detection of CryptoLocker Variants 1 IoCs

resource	yara_rule
behavioral1/files/0x000a000000012252-10.dat	CryptoLocker_rule2

Detection of Cryptolocker Samples 1 IoCs

resource	yara_rule
behavioral1/files/0x000a000000012252-10.dat	CryptoLocker_set1

Executes dropped EXE 1 IoCs

pid	Process
2920	asih.exe

Loads dropped DLL 1 IoCs

pid	Process
2744	2024-04-05_bf7cbbdafe86f694bc575de80e8d3b3a_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 2744 wrote to memory of 2920	2744	2024-04-05_bf7cbbdafe86f694bc575de80e8d3b3a_cryptolocker.exe	28
PID 2744 wrote to memory of 2920	2744	2024-04-05_bf7cbbdafe86f694bc575de80e8d3b3a_cryptolocker.exe	28
PID 2744 wrote to memory of 2920	2744	2024-04-05_bf7cbbdafe86f694bc575de80e8d3b3a_cryptolocker.exe	28
PID 2744 wrote to memory of 2920	2744	2024-04-05_bf7cbbdafe86f694bc575de80e8d3b3a_cryptolocker.exe	28

C:\Users\Admin\AppData\Local\Temp\2024-04-05_bf7cbbdafe86f694bc575de80e8d3b3a_cryptolocker.exe
"C:\Users\Admin\AppData\Local\Temp\2024-04-05_bf7cbbdafe86f694bc575de80e8d3b3a_cryptolocker.exe"
1⤵
- Loads dropped DLL
- Suspicious use of WriteProcessMemory
PID:2744
- C:\Users\Admin\AppData\Local\Temp\asih.exe
  "C:\Users\Admin\AppData\Local\Temp\asih.exe"
  2⤵
  - Executes dropped EXE
  PID:2920

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
54KB

MD5
e026a5c320c8d724783bb7c13c89367a

SHA1
da0a71387d7e7eb0fca219264ca7ca4b1a781260

SHA256
fa8a9d03dd15186288212cdd472ecc4811d58a594050c97c5d464a2ad2f889ef

SHA512
6dd44b017a59391c3c43e257d5e9bbf0c365c620afa8aa913218a8d2a6492ef22e2697d74a5ce580087876cac4e9813202e7407cea652a72a7e727e1eccecec8

Download Submit
memory/2744-0-0x0000000000480000-0x0000000000486000-memory.dmp

Filesize
24KB

Download
memory/2744-2-0x0000000000480000-0x0000000000486000-memory.dmp

Filesize
24KB

Download
memory/2744-1-0x00000000004D0000-0x00000000004D6000-memory.dmp

Filesize
24KB

Download
memory/2920-15-0x0000000000310000-0x0000000000316000-memory.dmp

Filesize
24KB

Download
memory/2920-18-0x00000000002C0000-0x00000000002C6000-memory.dmp

Filesize
24KB

Download