7b665a8a688f6901f111854f25e43734df423219614e13a11b8d943f6c3552a8

Analysis

max time kernel
148s
max time network
150s
platform
windows7_x64
resource
win7-20240220-en
resource tags

arch:x64arch:x86image:win7-20240220-enlocale:en-usos:windows7-x64system
submitted
24/04/2024, 21:35

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General

Target

2024-04-24_de49eaf56b5c81abcfd5d196d89420ea_cryptolocker.exe
Size

85KB
MD5

de49eaf56b5c81abcfd5d196d89420ea
SHA1

6dd68d1d73dfabc1436368a2d1f60e95c478cbf3
SHA256

7b665a8a688f6901f111854f25e43734df423219614e13a11b8d943f6c3552a8
SHA512

243f284cb3678d00e92936b1f7622dc00e429dcb65b49033d298be11066d6b5bb0460c4ecb31b0012f28aea019abb47bb17157e13b2f64c75ecfa63045565bf5
SSDEEP

768:V6LsoEEeegiZPvEhHSG+gDYQtOOtEvwDpj/MLa5VccPtNw5CS95yFPnYcL:V6QFElP6n+gMQMOtEvwDpjyaLccVNl64

Score

9^/10

Malware Config

Signatures

Detection of CryptoLocker Variants 1 IoCs

resource	yara_rule
behavioral1/files/0x000b000000012251-10.dat	CryptoLocker_rule2

Detection of Cryptolocker Samples 1 IoCs

resource	yara_rule
behavioral1/files/0x000b000000012251-10.dat	CryptoLocker_set1

Executes dropped EXE 1 IoCs

pid	Process
2548	asih.exe

Loads dropped DLL 1 IoCs

pid	Process
2932	2024-04-24_de49eaf56b5c81abcfd5d196d89420ea_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 2548	2932	2024-04-24_de49eaf56b5c81abcfd5d196d89420ea_cryptolocker.exe	28
PID 2932 wrote to memory of 2548	2932	2024-04-24_de49eaf56b5c81abcfd5d196d89420ea_cryptolocker.exe	28
PID 2932 wrote to memory of 2548	2932	2024-04-24_de49eaf56b5c81abcfd5d196d89420ea_cryptolocker.exe	28
PID 2932 wrote to memory of 2548	2932	2024-04-24_de49eaf56b5c81abcfd5d196d89420ea_cryptolocker.exe	28

C:\Users\Admin\AppData\Local\Temp\2024-04-24_de49eaf56b5c81abcfd5d196d89420ea_cryptolocker.exe
"C:\Users\Admin\AppData\Local\Temp\2024-04-24_de49eaf56b5c81abcfd5d196d89420ea_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:2548

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
85KB

MD5
2b3de31edd70a5bff785ebb1e0f06a1e

SHA1
6fc0d9c96222cb24d5f137245d57b5805f6e22a0

SHA256
1eedf8b03c4e8245c32151d5e64d3d76e398cb9974608ee8f7496140e91fcd03

SHA512
c97e5f7c4a68d86e323ce2a1216b4f8ae1ea9921a2d6376f449156294deebe79659345a8d9f70eb6eaeb1f9d9cbda576f5506d4bcbc2ce54072acb16cd6b81ea

Download Submit
memory/2548-15-0x0000000000340000-0x0000000000346000-memory.dmp

Filesize
24KB

Download
memory/2548-22-0x0000000000240000-0x0000000000246000-memory.dmp

Filesize
24KB

Download
memory/2932-0-0x00000000002C0000-0x00000000002C6000-memory.dmp

Filesize
24KB

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

Filesize
24KB

Download
memory/2932-8-0x00000000002C0000-0x00000000002C6000-memory.dmp

Filesize
24KB

Download