ed44f394d8e94aafd5549e8d21ae6ceeece949a82688c0dc02d732615de87f47

Analysis

max time kernel
149s
max time network
156s
platform
windows7_x64
resource
win7-20231215-en
resource tags

arch:x64arch:x86image:win7-20231215-enlocale:en-usos:windows7-x64system
submitted
26/01/2024, 00:41

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General

Target

2024-01-26_c05c19b2560394cce4d41e33dc78fee5_cryptolocker.exe
Size

30KB
MD5

c05c19b2560394cce4d41e33dc78fee5
SHA1

fb0b48b1c3b6eff54ebf00ddf2512cab4a9f6ed7
SHA256

ed44f394d8e94aafd5549e8d21ae6ceeece949a82688c0dc02d732615de87f47
SHA512

57e8242a1dbca305cb2bb4080f62ddbc50196793db63e1a6855402250f6ae1a9263725418de3a0d1ce2c74caa226bea8135b48117777ed7bc2cf669e6f1f397d
SSDEEP

384:bA74uGLLQRcsdeQ72ngEr4K7YmE8j60nrlwfjDUgIunIyNl:bA74zYcgT/Ekd0ryfjPIunt/

Score

9^/10

Malware Config

Signatures

Detection of CryptoLocker Variants 1 IoCs

resource	yara_rule
behavioral1/files/0x000d000000012251-10.dat	CryptoLocker_rule2

Executes dropped EXE 1 IoCs

pid	Process
2688	hasfj.exe

Loads dropped DLL 1 IoCs

pid	Process
2164	2024-01-26_c05c19b2560394cce4d41e33dc78fee5_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 2164 wrote to memory of 2688	2164	2024-01-26_c05c19b2560394cce4d41e33dc78fee5_cryptolocker.exe	29
PID 2164 wrote to memory of 2688	2164	2024-01-26_c05c19b2560394cce4d41e33dc78fee5_cryptolocker.exe	29
PID 2164 wrote to memory of 2688	2164	2024-01-26_c05c19b2560394cce4d41e33dc78fee5_cryptolocker.exe	29
PID 2164 wrote to memory of 2688	2164	2024-01-26_c05c19b2560394cce4d41e33dc78fee5_cryptolocker.exe	29

C:\Users\Admin\AppData\Local\Temp\2024-01-26_c05c19b2560394cce4d41e33dc78fee5_cryptolocker.exe
"C:\Users\Admin\AppData\Local\Temp\2024-01-26_c05c19b2560394cce4d41e33dc78fee5_cryptolocker.exe"
1⤵
- Loads dropped DLL
- Suspicious use of WriteProcessMemory
PID:2164
- C:\Users\Admin\AppData\Local\Temp\hasfj.exe
  "C:\Users\Admin\AppData\Local\Temp\hasfj.exe"
  2⤵
  - Executes dropped EXE
  PID:2688

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\hasfj.exe

Filesize
31KB

MD5
f4cf5a117a60049aea9ce6f99a818dde

SHA1
03647d6279dcec70a821e3d4c529c862f74e5e29

SHA256
9f3fb3f19a8b65133064078d9820370005978bab3ba98a4bb7cdc5d7a73f9fb1

SHA512
876619bf9732bea40742858a83f91dc279276ecbec34adf44418c66bcdaa629e4663692da33a1cb66ee8fbd5ad9b73ddc1606999e98bb6ad06eda94d7bf3134e

Download Submit
memory/2164-0-0x00000000005A0000-0x00000000005A6000-memory.dmp

Filesize
24KB

Download
memory/2164-1-0x0000000001B50000-0x0000000001B56000-memory.dmp

Filesize
24KB

Download
memory/2164-8-0x00000000005A0000-0x00000000005A6000-memory.dmp

Filesize
24KB

Download
memory/2688-15-0x0000000000390000-0x0000000000396000-memory.dmp

Filesize
24KB

Download
memory/2688-22-0x0000000000380000-0x0000000000386000-memory.dmp

Filesize
24KB

Download