189b6ff339c93002160a1e640ad305b5191772be5a3129185eb65e2c2981a4f5

Analysis

max time kernel
148s
max time network
150s
platform
windows7_x64
resource
win7-20240221-en
resource tags

arch:x64arch:x86image:win7-20240221-enlocale:en-usos:windows7-x64system
submitted
19/03/2024, 02:26

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General

Target

2024-03-19_17cd4089b7d715da4c694f48ba049117_cryptolocker.exe
Size

49KB
MD5

17cd4089b7d715da4c694f48ba049117
SHA1

7fd8ef20768204c05a176171dbb581ba786d5f77
SHA256

189b6ff339c93002160a1e640ad305b5191772be5a3129185eb65e2c2981a4f5
SHA512

143effaab303863050c26e06614e3f304c4ead98fc1d1ba3a316c3d95d30eb32e9f2e4447a99d611dac2c211342b641287f82a3b09bc61624b9aa31b5cc905dd
SSDEEP

768:X6LsoEEeegiZPvEhHSG+gp/QtOOtEvwDpjBaaEqbIu55id3AMWZm:X6QFElP6n+gJQMOtEvwDpjB0GIWiWLk

Score

9^/10

Malware Config

Signatures

Detection of CryptoLocker Variants 1 IoCs

resource	yara_rule
behavioral1/files/0x000c000000012254-10.dat	CryptoLocker_rule2

Detection of Cryptolocker Samples 1 IoCs

resource	yara_rule
behavioral1/files/0x000c000000012254-10.dat	CryptoLocker_set1

Executes dropped EXE 1 IoCs

pid	Process
2252	asih.exe

Loads dropped DLL 1 IoCs

pid	Process
2932	2024-03-19_17cd4089b7d715da4c694f48ba049117_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 2932 wrote to memory of 2252	2932	2024-03-19_17cd4089b7d715da4c694f48ba049117_cryptolocker.exe	28
PID 2932 wrote to memory of 2252	2932	2024-03-19_17cd4089b7d715da4c694f48ba049117_cryptolocker.exe	28
PID 2932 wrote to memory of 2252	2932	2024-03-19_17cd4089b7d715da4c694f48ba049117_cryptolocker.exe	28
PID 2932 wrote to memory of 2252	2932	2024-03-19_17cd4089b7d715da4c694f48ba049117_cryptolocker.exe	28

C:\Users\Admin\AppData\Local\Temp\2024-03-19_17cd4089b7d715da4c694f48ba049117_cryptolocker.exe
"C:\Users\Admin\AppData\Local\Temp\2024-03-19_17cd4089b7d715da4c694f48ba049117_cryptolocker.exe"
1⤵
- Loads dropped DLL
- Suspicious use of WriteProcessMemory
PID:2932
- C:\Users\Admin\AppData\Local\Temp\asih.exe
  "C:\Users\Admin\AppData\Local\Temp\asih.exe"
  2⤵
  - Executes dropped EXE
  PID:2252

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
49KB

MD5
362c0c3cceab6706d904d840fabdbe68

SHA1
884deedb39fde220091ec5a90ff957d2f84c28a5

SHA256
c2e1a9ef1d917e7f4440996fab7336469f7ed838522e248a5cd413895a145efb

SHA512
5dd508ae365949a4e85fb20356eab352e83941d7721116e0dc2a1e6b43261fb584435515ca8448829f98306892886186ef50e66786f0e5b13e5b40a85305d023

Download Submit
memory/2932-0-0x0000000000240000-0x0000000000246000-memory.dmp

Filesize
24KB

Download
memory/2932-2-0x0000000000240000-0x0000000000246000-memory.dmp

Filesize
24KB

Download
memory/2932-1-0x0000000000300000-0x0000000000306000-memory.dmp

Filesize
24KB

Download