db5d4fada095b6206570ce17579e95a8eac0676211fb633aed867469de7d0d8c

Analysis

max time kernel
149s
max time network
150s
platform
windows7_x64
resource
win7-20240220-en
resource tags

arch:x64arch:x86image:win7-20240220-enlocale:en-usos:windows7-x64system
submitted
15/04/2024, 10:08

Sharing

Copy URL Twitter E-mail

Report Analysis Logs

General

Target

2024-04-15_b88236039a61e9686a64c8c4e966ba41_cryptolocker.exe
Size

33KB
MD5

b88236039a61e9686a64c8c4e966ba41
SHA1

b6db2f53c81f5a65584d9087bbda7f0e00d33242
SHA256

db5d4fada095b6206570ce17579e95a8eac0676211fb633aed867469de7d0d8c
SHA512

0b57916e0086367dc674902eb328843062e4271008b8eea03dacf601dd15356d51efd444f670ecc36822282d908ee060ca428cb0be46c9e0725045070321bc51
SSDEEP

384:bA74uGLLQRcsdeQ72ngEr4K7YmE8j60nrlwfjDUgIunvsY0:bA74zYcgT/Ekd0ryfjPIunvsj

Score

9^/10

Malware Config

Signatures

Detection of CryptoLocker Variants 1 IoCs

resource	yara_rule
behavioral1/files/0x000c000000012339-10.dat	CryptoLocker_rule2

Executes dropped EXE 1 IoCs

pid	Process
2944	hasfj.exe

Loads dropped DLL 1 IoCs

pid	Process
3068	2024-04-15_b88236039a61e9686a64c8c4e966ba41_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 3068 wrote to memory of 2944	3068	2024-04-15_b88236039a61e9686a64c8c4e966ba41_cryptolocker.exe	28
PID 3068 wrote to memory of 2944	3068	2024-04-15_b88236039a61e9686a64c8c4e966ba41_cryptolocker.exe	28
PID 3068 wrote to memory of 2944	3068	2024-04-15_b88236039a61e9686a64c8c4e966ba41_cryptolocker.exe	28
PID 3068 wrote to memory of 2944	3068	2024-04-15_b88236039a61e9686a64c8c4e966ba41_cryptolocker.exe	28

C:\Users\Admin\AppData\Local\Temp\2024-04-15_b88236039a61e9686a64c8c4e966ba41_cryptolocker.exe
"C:\Users\Admin\AppData\Local\Temp\2024-04-15_b88236039a61e9686a64c8c4e966ba41_cryptolocker.exe"
1⤵
- Loads dropped DLL
- Suspicious use of WriteProcessMemory
PID:3068
- C:\Users\Admin\AppData\Local\Temp\hasfj.exe
  "C:\Users\Admin\AppData\Local\Temp\hasfj.exe"
  2⤵
  - Executes dropped EXE
  PID:2944

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
33KB

MD5
e1f73b63b5fd94a83db75a153340e45f

SHA1
1546d5dcecee57ff06b3d54bbba2868159877627

SHA256
8257fc022d103b31430a63598fe00d846346198aef0194062fc915ff32bf512e

SHA512
67e88c581d81edfb96dbc33ae7a27a3118fd6063758a3aa55c70900ba5cc08638a68adaaf922c3c9b5cef76ab4843de42c9a7d5eae62165c19fde30e69447abe

Download Submit
memory/2944-15-0x0000000000360000-0x0000000000366000-memory.dmp

Filesize
24KB

Download
memory/2944-16-0x0000000000350000-0x0000000000356000-memory.dmp

Filesize
24KB

Download
memory/3068-0-0x00000000005A0000-0x00000000005A6000-memory.dmp

Filesize
24KB

Download
memory/3068-1-0x00000000005A0000-0x00000000005A6000-memory.dmp

Filesize
24KB

Download
memory/3068-2-0x00000000005B0000-0x00000000005B6000-memory.dmp

Filesize
24KB

Download