96a53ccbe3393a99745334fe20d3aa48c61cf52c2ec501b85801dbab711cefed

Analysis

max time kernel
148s
max time network
149s
platform
windows7_x64
resource
win7-20240508-en
resource tags

arch:x64arch:x86image:win7-20240508-enlocale:en-usos:windows7-x64system
submitted
12/05/2024, 04:23

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General

Target

2024-05-12_018dee2476c3671fa54a5751a888975e_cryptolocker.exe
Size

42KB
MD5

018dee2476c3671fa54a5751a888975e
SHA1

ee323ff6d7a331f788b1730eb75854d79087f73e
SHA256

96a53ccbe3393a99745334fe20d3aa48c61cf52c2ec501b85801dbab711cefed
SHA512

ece173b00668ce438d3dfc5ab03542ec5681220728dc457c9db43697811f9573cab043b1aaae7a9cd46243652524838a35aa5c26dbba2f805b0c0e1dc5220a4c
SSDEEP

768:X6LsoEEeegiZPvEhHSG+gp/QtOOtEvwDpjBVaD3TP7DFHuRcY:X6QFElP6n+gJQMOtEvwDpjBmzDkWY

Score

9^/10

Malware Config

Signatures

Detection of CryptoLocker Variants 1 IoCs

resource	yara_rule
behavioral1/files/0x000a000000012286-10.dat	CryptoLocker_rule2

Detection of Cryptolocker Samples 1 IoCs

resource	yara_rule
behavioral1/files/0x000a000000012286-10.dat	CryptoLocker_set1

Executes dropped EXE 1 IoCs

pid	Process
2004	asih.exe

Loads dropped DLL 1 IoCs

pid	Process
1424	2024-05-12_018dee2476c3671fa54a5751a888975e_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 1424 wrote to memory of 2004	1424	2024-05-12_018dee2476c3671fa54a5751a888975e_cryptolocker.exe	28
PID 1424 wrote to memory of 2004	1424	2024-05-12_018dee2476c3671fa54a5751a888975e_cryptolocker.exe	28
PID 1424 wrote to memory of 2004	1424	2024-05-12_018dee2476c3671fa54a5751a888975e_cryptolocker.exe	28
PID 1424 wrote to memory of 2004	1424	2024-05-12_018dee2476c3671fa54a5751a888975e_cryptolocker.exe	28

C:\Users\Admin\AppData\Local\Temp\2024-05-12_018dee2476c3671fa54a5751a888975e_cryptolocker.exe
"C:\Users\Admin\AppData\Local\Temp\2024-05-12_018dee2476c3671fa54a5751a888975e_cryptolocker.exe"
1⤵
- Loads dropped DLL
- Suspicious use of WriteProcessMemory
PID:1424
- C:\Users\Admin\AppData\Local\Temp\asih.exe
  "C:\Users\Admin\AppData\Local\Temp\asih.exe"
  2⤵
  - Executes dropped EXE
  PID:2004

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
43KB

MD5
40aa243037c4f3aa677a3c5cc68c39db

SHA1
76eaef9409a0ea69583399c872af228701c8d8d7

SHA256
26e9a1b11d9aa8460e0859d6b19a13547a37f1757e0463e707a7b7208ed0b579

SHA512
ff7615926c257ede02d318e45623b1ee593188e17360dccddbfcf6b456c2871a8d7c79bd75bde05398db279f1fde8a81e16a0854899a45e14e06a758e44626a4

Download Submit
memory/1424-0-0x0000000000240000-0x0000000000246000-memory.dmp

Filesize
24KB

Download
memory/1424-1-0x0000000000300000-0x0000000000306000-memory.dmp

Filesize
24KB

Download
memory/1424-8-0x0000000000240000-0x0000000000246000-memory.dmp

Filesize
24KB

Download
memory/2004-22-0x00000000002C0000-0x00000000002C6000-memory.dmp

Filesize
24KB

Download