0c89897bca1f51ac1abd195ade3ba7877e082bf3f384035c4c30f54c55ec126a

Analysis

max time kernel
149s
max time network
152s
platform
windows7_x64
resource
win7-20240221-en
resource tags

arch:x64arch:x86image:win7-20240221-enlocale:en-usos:windows7-x64system
submitted
28/05/2024, 05:28

Sharing

Copy URL

Twitter E-mail

Report Analysis Logs

General

Target

2024-05-28_611e5330e017d69aa140d899794ba906_cryptolocker.exe
Size

41KB
MD5

611e5330e017d69aa140d899794ba906
SHA1

629ea0f21f7e601cd164954929e4807c2d172276
SHA256

0c89897bca1f51ac1abd195ade3ba7877e082bf3f384035c4c30f54c55ec126a
SHA512

11d75161baa9c37460b6cbfc3359b6002756aa82889256261a11e4ae040c88f0ddd58e1f617818657ac854a929c270ad2dcccbcd744849c2521b042457fd1b66
SSDEEP

768:bA74zYcgT/Ekd0ryfjPIunqpeNswmT3HwnCS:bA6YcA/X6G0W143QB

Score

9^/10

Malware Config

Signatures

Detection of CryptoLocker Variants 1 IoCs

resource	yara_rule
behavioral1/files/0x000b000000014230-10.dat	CryptoLocker_rule2

Executes dropped EXE 1 IoCs

pid	Process
2972	hasfj.exe

Loads dropped DLL 1 IoCs

pid	Process
2676	2024-05-28_611e5330e017d69aa140d899794ba906_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 2676 wrote to memory of 2972	2676	2024-05-28_611e5330e017d69aa140d899794ba906_cryptolocker.exe	28
PID 2676 wrote to memory of 2972	2676	2024-05-28_611e5330e017d69aa140d899794ba906_cryptolocker.exe	28
PID 2676 wrote to memory of 2972	2676	2024-05-28_611e5330e017d69aa140d899794ba906_cryptolocker.exe	28
PID 2676 wrote to memory of 2972	2676	2024-05-28_611e5330e017d69aa140d899794ba906_cryptolocker.exe	28

C:\Users\Admin\AppData\Local\Temp\2024-05-28_611e5330e017d69aa140d899794ba906_cryptolocker.exe
"C:\Users\Admin\AppData\Local\Temp\2024-05-28_611e5330e017d69aa140d899794ba906_cryptolocker.exe"
1⤵
- Loads dropped DLL
- Suspicious use of WriteProcessMemory
PID:2676
- C:\Users\Admin\AppData\Local\Temp\hasfj.exe
  "C:\Users\Admin\AppData\Local\Temp\hasfj.exe"
  2⤵
  - Executes dropped EXE
  PID:2972

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

Loading Replay Monitor...

Downloads

\Users\Admin\AppData\Local\Temp\hasfj.exe

Filesize
41KB

MD5
f67145067eaf96fb8fc2da16794ef035

SHA1
0541d917fbfe790d3ce322f386cc13368ade529a

SHA256
492562fafef744abf27bb7179f9cec4870f2878999bb7ae3d2a080e2cd9f475e

SHA512
220e867cde1209c14cba6b00e65e4895509d38b8ef21488def5ec4233c5f5e95b69f52c1c084a6f3b051f772a869309455007f5ad9e217e79b508ad763208df3

Download Submit
memory/2676-0-0x0000000000320000-0x0000000000326000-memory.dmp

Filesize
24KB

Download
memory/2676-1-0x0000000000330000-0x0000000000336000-memory.dmp

Filesize
24KB

Download
memory/2676-8-0x0000000000320000-0x0000000000326000-memory.dmp

Filesize
24KB

Download
memory/2972-15-0x0000000000580000-0x0000000000586000-memory.dmp

Filesize
24KB

Download
memory/2972-22-0x0000000000570000-0x0000000000576000-memory.dmp

Filesize
24KB

Download