c1f636b64501de80ea07ae94219559bb9fb40dbe584b570714945a6bffd4b04b

Analysis

max time kernel
147s
max time network
151s
platform
windows7_x64
resource
win7-20240508-en
resource tags

arch:x64arch:x86image:win7-20240508-enlocale:en-usos:windows7-x64system
submitted
16-06-2024 18:27

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General

Target

2024-06-16_32e38a5e45a1213a2fd87d685f9d8eb4_cryptolocker.exe
Size

47KB
MD5

32e38a5e45a1213a2fd87d685f9d8eb4
SHA1

b482ff4091fca8971099dd0e9b209eff821852f2
SHA256

c1f636b64501de80ea07ae94219559bb9fb40dbe584b570714945a6bffd4b04b
SHA512

dabb66da1ca6f54fc18abd4a8d877f114598ea5efe2bfcf489e035effb0579b4d616f293cef62a5d9f072dc65812dfabd9c4484b71a7a97372f272a0666a88c0
SSDEEP

384:e/4wODQkzonAYsju5N/surDQtOOtEvwDpjqIGROqS/WccJVJwi2B5oCCM8CLW2Vr:79inqyNR/QtOOtEvwDpjBKccJVODvy3m

Score

9^/10

Malware Config

Signatures

Detection of CryptoLocker Variants 3 IoCs

resource	yara_rule
behavioral1/memory/2372-8-0x0000000000500000-0x000000000050F000-memory.dmp	CryptoLocker_rule2
behavioral1/files/0x000c00000001227b-11.dat	CryptoLocker_rule2
behavioral1/memory/3044-15-0x0000000000500000-0x000000000050F000-memory.dmp	CryptoLocker_rule2

Detection of Cryptolocker Samples 3 IoCs

resource	yara_rule
behavioral1/memory/2372-8-0x0000000000500000-0x000000000050F000-memory.dmp	CryptoLocker_set1
behavioral1/files/0x000c00000001227b-11.dat	CryptoLocker_set1
behavioral1/memory/3044-15-0x0000000000500000-0x000000000050F000-memory.dmp	CryptoLocker_set1

Executes dropped EXE 1 IoCs

pid	Process
3044	asih.exe

Loads dropped DLL 1 IoCs

pid	Process
2372	2024-06-16_32e38a5e45a1213a2fd87d685f9d8eb4_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 2372 wrote to memory of 3044	2372	2024-06-16_32e38a5e45a1213a2fd87d685f9d8eb4_cryptolocker.exe	28
PID 2372 wrote to memory of 3044	2372	2024-06-16_32e38a5e45a1213a2fd87d685f9d8eb4_cryptolocker.exe	28
PID 2372 wrote to memory of 3044	2372	2024-06-16_32e38a5e45a1213a2fd87d685f9d8eb4_cryptolocker.exe	28
PID 2372 wrote to memory of 3044	2372	2024-06-16_32e38a5e45a1213a2fd87d685f9d8eb4_cryptolocker.exe	28

C:\Users\Admin\AppData\Local\Temp\2024-06-16_32e38a5e45a1213a2fd87d685f9d8eb4_cryptolocker.exe
"C:\Users\Admin\AppData\Local\Temp\2024-06-16_32e38a5e45a1213a2fd87d685f9d8eb4_cryptolocker.exe"
1⤵
- Loads dropped DLL
- Suspicious use of WriteProcessMemory
PID:2372
- C:\Users\Admin\AppData\Local\Temp\asih.exe
  "C:\Users\Admin\AppData\Local\Temp\asih.exe"
  2⤵
  - Executes dropped EXE
  PID:3044

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
47KB

MD5
ad23261eac318090d0cf1b0bf399bc72

SHA1
75bbf5bd6cbc0aee49213eb54380f2421320807f

SHA256
21b7e17ca20d6a556c27de25d193190a019ee3cb1656bac90f69b564fcb95a64

SHA512
3df335cb2325b811cf43a4dad7e5f5fab566b0b604ebd27ba96b7068f7bdcfd34ddf27b0045bad63fd4ad3263f4065aea1861f6cc3d7998516bf76afaab4e540

Download Submit
memory/2372-0-0x0000000000280000-0x0000000000286000-memory.dmp

Filesize
24KB

Download
memory/2372-1-0x00000000002C0000-0x00000000002C6000-memory.dmp

Filesize
24KB

Download
memory/2372-9-0x0000000000280000-0x0000000000286000-memory.dmp

Filesize
24KB

Download
memory/2372-8-0x0000000000500000-0x000000000050F000-memory.dmp

Filesize
60KB

Download
memory/3044-17-0x0000000000300000-0x0000000000306000-memory.dmp

Filesize
24KB

Download
memory/3044-15-0x0000000000500000-0x000000000050F000-memory.dmp

Filesize
60KB

Download
memory/3044-24-0x0000000000230000-0x0000000000236000-memory.dmp

Filesize
24KB

Download