f068b3698c58b8258815e76859b89e4bc9fc8a6fd44088d0843f567397a9d8c0

Analysis

max time kernel
148s
max time network
153s
platform
windows7_x64
resource
win7-20240221-en
resource tags

arch:x64arch:x86image:win7-20240221-enlocale:en-usos:windows7-x64system
submitted
06/07/2024, 15:42

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General

Target

2024-07-06_816841ee3be543294c8011bf673a936d_cryptolocker.exe
Size

43KB
MD5

816841ee3be543294c8011bf673a936d
SHA1

2b1a67020e7e6e467b0706933ab24c488b53570d
SHA256

f068b3698c58b8258815e76859b89e4bc9fc8a6fd44088d0843f567397a9d8c0
SHA512

b72ceb454e2ccac1827d6cdcee7f201fe203d7c8f0e89469c9dff9ecb648d2a16eb7858df004089ea8c5e4b2d8d7cc93a9820bd35b083083572cc026a935a286
SSDEEP

384:bm74uGLLQRcsdeQ72ngEr4K7YmE8jb0nrlwfjDUadr:bm74zYcgT/EkM0ryfjPdr

Score

7^/10

Malware Config

Signatures

Executes dropped EXE 1 IoCs

pid	Process
2340	hasfj.exe

Loads dropped DLL 1 IoCs

pid	Process
2376	2024-07-06_816841ee3be543294c8011bf673a936d_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 2376 wrote to memory of 2340	2376	2024-07-06_816841ee3be543294c8011bf673a936d_cryptolocker.exe	28
PID 2376 wrote to memory of 2340	2376	2024-07-06_816841ee3be543294c8011bf673a936d_cryptolocker.exe	28
PID 2376 wrote to memory of 2340	2376	2024-07-06_816841ee3be543294c8011bf673a936d_cryptolocker.exe	28
PID 2376 wrote to memory of 2340	2376	2024-07-06_816841ee3be543294c8011bf673a936d_cryptolocker.exe	28

C:\Users\Admin\AppData\Local\Temp\2024-07-06_816841ee3be543294c8011bf673a936d_cryptolocker.exe
"C:\Users\Admin\AppData\Local\Temp\2024-07-06_816841ee3be543294c8011bf673a936d_cryptolocker.exe"
1⤵
- Loads dropped DLL
- Suspicious use of WriteProcessMemory
PID:2376
- C:\Users\Admin\AppData\Local\Temp\hasfj.exe
  "C:\Users\Admin\AppData\Local\Temp\hasfj.exe"
  2⤵
  - Executes dropped EXE
  PID:2340

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

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

Filesize
43KB

MD5
77aecb3237123bad4acf248282e0ee54

SHA1
cb47fb5747069953cb83533fc4494a1b4cf6eed7

SHA256
424f4405d7c0c3255f60f5415dc91feeeb0ad49dacbb308f628815d76a442715

SHA512
ab2d4c8ec5c3a854500d0aacb3622c0035c2ebdef612c3460441f0c499ab7aa6f3a0448874d31117a552a2756c7bf0b642691fd1f640336c204177f12f50dbea

Download Submit
memory/2340-17-0x0000000008000000-0x000000000800D000-memory.dmp

Filesize
52KB

Download
memory/2340-19-0x00000000002F0000-0x00000000002F6000-memory.dmp

Filesize
24KB

Download
memory/2340-26-0x00000000002E0000-0x00000000002E6000-memory.dmp

Filesize
24KB

Download
memory/2340-27-0x0000000008000000-0x000000000800D000-memory.dmp

Filesize
52KB

Download
memory/2376-0-0x0000000008000000-0x000000000800D000-memory.dmp

Filesize
52KB

Download
memory/2376-9-0x0000000000480000-0x0000000000486000-memory.dmp

Filesize
24KB

Download
memory/2376-2-0x0000000000490000-0x0000000000496000-memory.dmp

Filesize
24KB

Download
memory/2376-1-0x0000000000480000-0x0000000000486000-memory.dmp

Filesize
24KB

Download
memory/2376-13-0x0000000001D60000-0x0000000001D6D000-memory.dmp

Filesize
52KB

Download
memory/2376-16-0x0000000008000000-0x000000000800D000-memory.dmp

Filesize
52KB

Download