5c2d7259e20247979316cdb436917cef1088645e93d6a3062556f53d6a269ae8

Analysis

max time kernel
149s
max time network
153s
platform
windows7_x64
resource
win7-20231215-en
resource tags

arch:x64arch:x86image:win7-20231215-enlocale:en-usos:windows7-x64system
submitted
14/02/2024, 04:16

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General

Target

2024-02-14_c1a96bf44fbaea0c848f8f35bc7174e4_cryptolocker.exe
Size

42KB
MD5

c1a96bf44fbaea0c848f8f35bc7174e4
SHA1

0a36d6008fec11da3e7a85bc3ff2ef1f159ed4c0
SHA256

5c2d7259e20247979316cdb436917cef1088645e93d6a3062556f53d6a269ae8
SHA512

ec5c94afa33ab88b2fb3b1e3291faf44114c7d53afed121e62da47e6550f74e56596c44143b177f353ec36a08eb4b3e2bfaea9eee7c3f5667589dec9834cab3f
SSDEEP

384:e/4wODQkzonAYsju5N/surDQtOOtEvwDpjqIGROqS/WccJVJwi2B59Dgy:79inqyNR/QtOOtEvwDpjBKccJVODv9Dz

Score

9^/10

Malware Config

Signatures

Detection of CryptoLocker Variants 4 IoCs

resource	yara_rule
behavioral1/memory/2076-0-0x0000000000500000-0x000000000050F000-memory.dmp	CryptoLocker_rule2
behavioral1/files/0x0009000000012262-11.dat	CryptoLocker_rule2
behavioral1/memory/2928-16-0x0000000000500000-0x000000000050F000-memory.dmp	CryptoLocker_rule2
behavioral1/memory/2076-15-0x0000000000500000-0x000000000050F000-memory.dmp	CryptoLocker_rule2

Detection of Cryptolocker Samples 4 IoCs

resource	yara_rule
behavioral1/memory/2076-0-0x0000000000500000-0x000000000050F000-memory.dmp	CryptoLocker_set1
behavioral1/files/0x0009000000012262-11.dat	CryptoLocker_set1
behavioral1/memory/2928-16-0x0000000000500000-0x000000000050F000-memory.dmp	CryptoLocker_set1
behavioral1/memory/2076-15-0x0000000000500000-0x000000000050F000-memory.dmp	CryptoLocker_set1

Executes dropped EXE 1 IoCs

pid	Process
2928	asih.exe

Loads dropped DLL 1 IoCs

pid	Process
2076	2024-02-14_c1a96bf44fbaea0c848f8f35bc7174e4_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 2076 wrote to memory of 2928	2076	2024-02-14_c1a96bf44fbaea0c848f8f35bc7174e4_cryptolocker.exe	28
PID 2076 wrote to memory of 2928	2076	2024-02-14_c1a96bf44fbaea0c848f8f35bc7174e4_cryptolocker.exe	28
PID 2076 wrote to memory of 2928	2076	2024-02-14_c1a96bf44fbaea0c848f8f35bc7174e4_cryptolocker.exe	28
PID 2076 wrote to memory of 2928	2076	2024-02-14_c1a96bf44fbaea0c848f8f35bc7174e4_cryptolocker.exe	28

C:\Users\Admin\AppData\Local\Temp\2024-02-14_c1a96bf44fbaea0c848f8f35bc7174e4_cryptolocker.exe
"C:\Users\Admin\AppData\Local\Temp\2024-02-14_c1a96bf44fbaea0c848f8f35bc7174e4_cryptolocker.exe"
1⤵
- Loads dropped DLL
- Suspicious use of WriteProcessMemory
PID:2076
- C:\Users\Admin\AppData\Local\Temp\asih.exe
  "C:\Users\Admin\AppData\Local\Temp\asih.exe"
  2⤵
  - Executes dropped EXE
  PID:2928

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
42KB

MD5
5900bc332eba7303a35623450ca89561

SHA1
68b0d57fca32649661bf2457aea32c81ccf9e63f

SHA256
68c85b6718cc4732bcbc3b4f36acb4c3a46ae8b047879f86b6311424f8bded3f

SHA512
b6725bf4eea34ff7e4cde29ab63fbcc2291b00214923d7f5b97c37fd1dd1e8dceefbf26f77c840ca2278492300c76138dfb3edb913e5f7b392d3b7bfd0bef630

Download Submit
memory/2076-0-0x0000000000500000-0x000000000050F000-memory.dmp

Filesize
60KB

Download
memory/2076-1-0x0000000000430000-0x0000000000436000-memory.dmp

Filesize
24KB

Download
memory/2076-3-0x0000000000460000-0x0000000000466000-memory.dmp

Filesize
24KB

Download
memory/2076-2-0x0000000000430000-0x0000000000436000-memory.dmp

Filesize
24KB

Download
memory/2076-15-0x0000000000500000-0x000000000050F000-memory.dmp

Filesize
60KB

Download
memory/2928-16-0x0000000000500000-0x000000000050F000-memory.dmp

Filesize
60KB

Download
memory/2928-18-0x0000000000280000-0x0000000000286000-memory.dmp

Filesize
24KB

Download
memory/2928-23-0x00000000001D0000-0x00000000001D6000-memory.dmp

Filesize
24KB

Download