4e2ab533ada5b546b555b4be78f17c8e6644349465cc9839ecd66fc5292beffc

Analysis

max time kernel
149s
max time network
152s
platform
windows7_x64
resource
win7-20231215-en
resource tags

arch:x64arch:x86image:win7-20231215-enlocale:en-usos:windows7-x64system
submitted
17/02/2024, 23:08

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General

Target

2024-02-17_f3733c7ebb11071cefe1b2f8ded46ce7_cryptolocker.exe
Size

29KB
MD5

f3733c7ebb11071cefe1b2f8ded46ce7
SHA1

dd89c3b4206915638023f8289b0cba0b46d8d94d
SHA256

4e2ab533ada5b546b555b4be78f17c8e6644349465cc9839ecd66fc5292beffc
SHA512

27a30f680bcd61f57dd591d5cba04aacdaf7d933fc47a7008d7128f89f5b8695ba8aa01ab0502ef0d52a4757cfc6151e7def5b1eb9bb227cfe4abcf0f19908d8
SSDEEP

384:bA74uGLLQRcsdeQ72ngEr4K7YmE8j60nrlwfjDUr766SJ5STVnTl:bA74zYcgT/Ekd0ryfjQRSnWVTl

Score

9^/10

Malware Config

Signatures

Detection of CryptoLocker Variants 1 IoCs

resource	yara_rule
behavioral1/files/0x000c0000000122db-10.dat	CryptoLocker_rule2

Executes dropped EXE 1 IoCs

pid	Process
2440	hasfj.exe

Loads dropped DLL 1 IoCs

pid	Process
1200	2024-02-17_f3733c7ebb11071cefe1b2f8ded46ce7_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 1200 wrote to memory of 2440	1200	2024-02-17_f3733c7ebb11071cefe1b2f8ded46ce7_cryptolocker.exe	28
PID 1200 wrote to memory of 2440	1200	2024-02-17_f3733c7ebb11071cefe1b2f8ded46ce7_cryptolocker.exe	28
PID 1200 wrote to memory of 2440	1200	2024-02-17_f3733c7ebb11071cefe1b2f8ded46ce7_cryptolocker.exe	28
PID 1200 wrote to memory of 2440	1200	2024-02-17_f3733c7ebb11071cefe1b2f8ded46ce7_cryptolocker.exe	28

C:\Users\Admin\AppData\Local\Temp\2024-02-17_f3733c7ebb11071cefe1b2f8ded46ce7_cryptolocker.exe
"C:\Users\Admin\AppData\Local\Temp\2024-02-17_f3733c7ebb11071cefe1b2f8ded46ce7_cryptolocker.exe"
1⤵
- Loads dropped DLL
- Suspicious use of WriteProcessMemory
PID:1200
- C:\Users\Admin\AppData\Local\Temp\hasfj.exe
  "C:\Users\Admin\AppData\Local\Temp\hasfj.exe"
  2⤵
  - Executes dropped EXE
  PID:2440

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
30KB

MD5
c23f4a72f4f916f86a8c875358f9535f

SHA1
0446e310d1d09e514f61ade10269ddf63613ddfe

SHA256
1a93b04714721e6d81f56076a807e9287ee0ca21fffc0ae6281384feb8d890fb

SHA512
ab96565895cfb74d56b84fb72f591cc5aacf0fe9f2c1d7c0c5ba125c9e151cb5ed8122148087b10f585d12284b0cb000399ef569c8819aaeae0f7cee90a5e81b

Download Submit
memory/1200-0-0x0000000001C80000-0x0000000001C86000-memory.dmp

Filesize
24KB

Download
memory/1200-1-0x0000000001C80000-0x0000000001C86000-memory.dmp

Filesize
24KB

Download
memory/1200-2-0x0000000001CE0000-0x0000000001CE6000-memory.dmp

Filesize
24KB

Download
memory/2440-15-0x0000000000440000-0x0000000000446000-memory.dmp

Filesize
24KB

Download
memory/2440-21-0x00000000002C0000-0x00000000002C6000-memory.dmp

Filesize
24KB

Download