47e689ff82d1c53a570b1981cb80e5402c41daf84c729b36afe587f59f4418b4

Analysis

max time kernel
149s
max time network
153s
platform
windows7_x64
resource
win7-20240221-en
resource tags

arch:x64arch:x86image:win7-20240221-enlocale:en-usos:windows7-x64system
submitted
28/02/2024, 09:55

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General

Target

2024-02-28_82f7605e74b0ef95c48b40768c4867ee_cryptolocker.exe
Size

36KB
MD5

82f7605e74b0ef95c48b40768c4867ee
SHA1

dfff08f58e0bcb56a62dc16cf677a97c28b55fe5
SHA256

47e689ff82d1c53a570b1981cb80e5402c41daf84c729b36afe587f59f4418b4
SHA512

fe098e9e0e5ef938499f2d7562c0bf5f670fbff2d63939111702b68acf6836eb3ffe58063015ceef0191d73008f156041d8e6bbab3399f147bd0339f8a04d5ad
SSDEEP

768:X6LsoEEeegiZPvEhHSG+gp/QtOOtEvwDpjBVaD3TP7DFCf:X6QFElP6n+gJQMOtEvwDpjBmzDUf

Score

9^/10

Malware Config

Signatures

Detection of CryptoLocker Variants 1 IoCs

resource	yara_rule
behavioral1/files/0x000d00000001224c-10.dat	CryptoLocker_rule2

Detection of Cryptolocker Samples 1 IoCs

resource	yara_rule
behavioral1/files/0x000d00000001224c-10.dat	CryptoLocker_set1

Executes dropped EXE 1 IoCs

pid	Process
3060	asih.exe

Loads dropped DLL 1 IoCs

pid	Process
2804	2024-02-28_82f7605e74b0ef95c48b40768c4867ee_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 2804 wrote to memory of 3060	2804	2024-02-28_82f7605e74b0ef95c48b40768c4867ee_cryptolocker.exe	28
PID 2804 wrote to memory of 3060	2804	2024-02-28_82f7605e74b0ef95c48b40768c4867ee_cryptolocker.exe	28
PID 2804 wrote to memory of 3060	2804	2024-02-28_82f7605e74b0ef95c48b40768c4867ee_cryptolocker.exe	28
PID 2804 wrote to memory of 3060	2804	2024-02-28_82f7605e74b0ef95c48b40768c4867ee_cryptolocker.exe	28

C:\Users\Admin\AppData\Local\Temp\2024-02-28_82f7605e74b0ef95c48b40768c4867ee_cryptolocker.exe
"C:\Users\Admin\AppData\Local\Temp\2024-02-28_82f7605e74b0ef95c48b40768c4867ee_cryptolocker.exe"
1⤵
- Loads dropped DLL
- Suspicious use of WriteProcessMemory
PID:2804
- C:\Users\Admin\AppData\Local\Temp\asih.exe
  "C:\Users\Admin\AppData\Local\Temp\asih.exe"
  2⤵
  - Executes dropped EXE
  PID:3060

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
37KB

MD5
7ed48084513e3bfdf56c5fbc6fe5857b

SHA1
b97732b178c9fc245bb7e2e4f057a4a01c3467f8

SHA256
1f4b16f6be8628019218576bfad71ccdb09cc924080481e1817a9523a82a0eee

SHA512
7d5403ace2944625f151a144c2761d7c30b0a86b403c2e13e858a7f533b7c653a9c38d840c97aa11defa5dcd292937f012204a35052b8da46690256c7a5d9400

Download Submit
memory/2804-0-0x00000000002C0000-0x00000000002C6000-memory.dmp

Filesize
24KB

Download
memory/2804-1-0x0000000000300000-0x0000000000306000-memory.dmp

Filesize
24KB

Download
memory/2804-2-0x00000000002C0000-0x00000000002C6000-memory.dmp

Filesize
24KB

Download
memory/3060-15-0x0000000000270000-0x0000000000276000-memory.dmp

Filesize
24KB

Download
memory/3060-18-0x0000000000240000-0x0000000000246000-memory.dmp

Filesize
24KB

Download