598d16bc42c559e1ba2de74c2799ddc8f23fa4ab9f336e78b90ea77d7e82a866

Analysis

max time kernel
133s
max time network
143s
platform
windows7_x64
resource
win7-20240221-en
resource tags

arch:x64arch:x86image:win7-20240221-enlocale:en-usos:windows7-x64system
submitted
19/03/2024, 11:43

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General

Target

2024-03-19_7ae3e382523b3ad24bf1beee00c017dd_cryptolocker.exe
Size

73KB
MD5

7ae3e382523b3ad24bf1beee00c017dd
SHA1

c741f33b51bca823e872f3ce34298afa2a41d8d9
SHA256

598d16bc42c559e1ba2de74c2799ddc8f23fa4ab9f336e78b90ea77d7e82a866
SHA512

15312fa789e6b0a6acdb1333ed5f6ebf91dfc16411d0fa88ab0b2620aa67519575968b8a22dc9a4f3c1e508d62ec7ed5f1f63ef7466dedaea27f721494432d3b
SSDEEP

1536:X6QFElP6n+gJQMOtEvwDpjBZYTjipvF2bx1gFY:X6a+SOtEvwDpjBZYvQd2F

Score

9^/10

Malware Config

Signatures

Detection of CryptoLocker Variants 1 IoCs

resource	yara_rule
behavioral1/files/0x000a000000012254-10.dat	CryptoLocker_rule2

Detection of Cryptolocker Samples 1 IoCs

resource	yara_rule
behavioral1/files/0x000a000000012254-10.dat	CryptoLocker_set1

Executes dropped EXE 1 IoCs

pid	Process
2488	asih.exe

Loads dropped DLL 1 IoCs

pid	Process
3048	2024-03-19_7ae3e382523b3ad24bf1beee00c017dd_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 3048 wrote to memory of 2488	3048	2024-03-19_7ae3e382523b3ad24bf1beee00c017dd_cryptolocker.exe	28
PID 3048 wrote to memory of 2488	3048	2024-03-19_7ae3e382523b3ad24bf1beee00c017dd_cryptolocker.exe	28
PID 3048 wrote to memory of 2488	3048	2024-03-19_7ae3e382523b3ad24bf1beee00c017dd_cryptolocker.exe	28
PID 3048 wrote to memory of 2488	3048	2024-03-19_7ae3e382523b3ad24bf1beee00c017dd_cryptolocker.exe	28

C:\Users\Admin\AppData\Local\Temp\2024-03-19_7ae3e382523b3ad24bf1beee00c017dd_cryptolocker.exe
"C:\Users\Admin\AppData\Local\Temp\2024-03-19_7ae3e382523b3ad24bf1beee00c017dd_cryptolocker.exe"
1⤵
- Loads dropped DLL
- Suspicious use of WriteProcessMemory
PID:3048
- C:\Users\Admin\AppData\Local\Temp\asih.exe
  "C:\Users\Admin\AppData\Local\Temp\asih.exe"
  2⤵
  - Executes dropped EXE
  PID:2488

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\asih.exe

Filesize
73KB

MD5
ad8c03f39fed21f69c99156ac4565f36

SHA1
f90505177e2021b8a7aa8d179c46a8258fcd99e3

SHA256
0c8dfce6ceef3de395c87ec171395003c50076afb7cbb0a9f8e8a53309faa5b0

SHA512
e859e4e96d79ffbaa7d7cb1dbb7dda109c2da0dfeadb34ba95dea1225f8557d3b50aeb1359c98c5613a67206b6b5c6f9f70929dbe91655197097ea43bd33710a

Download Submit
memory/2488-16-0x0000000000470000-0x0000000000476000-memory.dmp

Filesize
24KB

Download
memory/2488-15-0x0000000000250000-0x0000000000256000-memory.dmp

Filesize
24KB

Download
memory/3048-0-0x00000000002C0000-0x00000000002C6000-memory.dmp

Filesize
24KB

Download
memory/3048-2-0x00000000002C0000-0x00000000002C6000-memory.dmp

Filesize
24KB

Download
memory/3048-1-0x00000000002F0000-0x00000000002F6000-memory.dmp

Filesize
24KB

Download