1aad327033e01ce8c14231a9bee884da55b390f6bbbf9f809e9785056a25600b

Analysis

max time kernel
154s
max time network
164s
platform
windows7_x64
resource
win7-20240221-en
resource tags

arch:x64arch:x86image:win7-20240221-enlocale:en-usos:windows7-x64system
submitted
09/04/2024, 03:30

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General

Target

2024-04-09_1549b492774b17f0e7b565d94c1ecc8c_cryptolocker.exe
Size

54KB
MD5

1549b492774b17f0e7b565d94c1ecc8c
SHA1

186062e260ce03fe6e6c6df1e321d60f3f1b325c
SHA256

1aad327033e01ce8c14231a9bee884da55b390f6bbbf9f809e9785056a25600b
SHA512

e46ee1982a993ae650de0460b1f5be75f56f09f7584ca4c109a78de1776183754ca71617801ea81c72bfdb665ad1715aad5f785b5e95ef2bb97b6d07b39f2e4b
SSDEEP

768:X6LsoEEeegiZPvEhHSG+gp/BtOOtEvwDpjBVaD3E09vaTiSfQaV2LJb5:X6QFElP6n+gJBMOtEvwDpjBtE1yILJF

Score

9^/10

Malware Config

Signatures

Detection of CryptoLocker Variants 1 IoCs

resource	yara_rule
behavioral1/files/0x0008000000012226-13.dat	CryptoLocker_rule2

Detection of Cryptolocker Samples 1 IoCs

resource	yara_rule
behavioral1/files/0x0008000000012226-13.dat	CryptoLocker_set1

Executes dropped EXE 1 IoCs

pid	Process
2504	asih.exe

Loads dropped DLL 1 IoCs

pid	Process
2460	2024-04-09_1549b492774b17f0e7b565d94c1ecc8c_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 2460 wrote to memory of 2504	2460	2024-04-09_1549b492774b17f0e7b565d94c1ecc8c_cryptolocker.exe	28
PID 2460 wrote to memory of 2504	2460	2024-04-09_1549b492774b17f0e7b565d94c1ecc8c_cryptolocker.exe	28
PID 2460 wrote to memory of 2504	2460	2024-04-09_1549b492774b17f0e7b565d94c1ecc8c_cryptolocker.exe	28
PID 2460 wrote to memory of 2504	2460	2024-04-09_1549b492774b17f0e7b565d94c1ecc8c_cryptolocker.exe	28

C:\Users\Admin\AppData\Local\Temp\2024-04-09_1549b492774b17f0e7b565d94c1ecc8c_cryptolocker.exe
"C:\Users\Admin\AppData\Local\Temp\2024-04-09_1549b492774b17f0e7b565d94c1ecc8c_cryptolocker.exe"
1⤵
- Loads dropped DLL
- Suspicious use of WriteProcessMemory
PID:2460
- C:\Users\Admin\AppData\Local\Temp\asih.exe
  "C:\Users\Admin\AppData\Local\Temp\asih.exe"
  2⤵
  - Executes dropped EXE
  PID:2504

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\asih.exe

Filesize
54KB

MD5
b273d08fd3b761da0f9efae2fe5d3577

SHA1
28a3db82dd729a5730412bc51c469a20cebf6c3c

SHA256
d8334315c8314d477c28d78d687a1382289a5045408bfd2808a42b6aa4fac737

SHA512
e5050a8d74f10406ff53dcde72cf20c63769126771ab334d78aca2040076fb90f8d52c4a3a427fc7a867aec12c5e895531b542446b3d3d0a61f3340a13124141

Download Submit
memory/2460-0-0x0000000000240000-0x0000000000246000-memory.dmp

Filesize
24KB

Download
memory/2460-2-0x0000000000240000-0x0000000000246000-memory.dmp

Filesize
24KB

Download
memory/2460-1-0x0000000000270000-0x0000000000276000-memory.dmp

Filesize
24KB

Download
memory/2504-15-0x00000000002B0000-0x00000000002B6000-memory.dmp

Filesize
24KB

Download
memory/2504-19-0x0000000000280000-0x0000000000286000-memory.dmp

Filesize
24KB

Download