4d726a711a1c3a01c98770d764220d610bc0d791ed7ddf2adaed8a46b73835f6

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
11/06/2024, 05:27

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General

Target

2024-06-11_bfeac5f36dbdccca409f3030f14dfb0f_cryptolocker.exe
Size

74KB
MD5

bfeac5f36dbdccca409f3030f14dfb0f
SHA1

08d341b05dad1249485e3d57b24aaa0bb09aa57d
SHA256

4d726a711a1c3a01c98770d764220d610bc0d791ed7ddf2adaed8a46b73835f6
SHA512

cb01ed8ebacc4d8e3fbd48051ac9af52251a96b42b493a4f089730a41c3c7dd57cf7ef91bfdfeaecd8a379bb711c38e2c1fdf1b2a9459c62b37b978ce9d02084
SSDEEP

768:u6LsoEEeegiZPvEhHSG+gZgtOOtEvwDpjeY10Y/YMsPeWY:u6QFElP6n+gWMOtEvwDpjJGYQbfY

Score

9^/10

Malware Config

Signatures

Detection of CryptoLocker Variants 1 IoCs

resource	yara_rule
behavioral1/files/0x000a00000001227e-10.dat	CryptoLocker_rule2

Detection of Cryptolocker Samples 1 IoCs

resource	yara_rule
behavioral1/files/0x000a00000001227e-10.dat	CryptoLocker_set1

Executes dropped EXE 1 IoCs

pid	Process
2256	asih.exe

Loads dropped DLL 1 IoCs

pid	Process
2964	2024-06-11_bfeac5f36dbdccca409f3030f14dfb0f_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 2964 wrote to memory of 2256	2964	2024-06-11_bfeac5f36dbdccca409f3030f14dfb0f_cryptolocker.exe	28
PID 2964 wrote to memory of 2256	2964	2024-06-11_bfeac5f36dbdccca409f3030f14dfb0f_cryptolocker.exe	28
PID 2964 wrote to memory of 2256	2964	2024-06-11_bfeac5f36dbdccca409f3030f14dfb0f_cryptolocker.exe	28
PID 2964 wrote to memory of 2256	2964	2024-06-11_bfeac5f36dbdccca409f3030f14dfb0f_cryptolocker.exe	28

C:\Users\Admin\AppData\Local\Temp\2024-06-11_bfeac5f36dbdccca409f3030f14dfb0f_cryptolocker.exe
"C:\Users\Admin\AppData\Local\Temp\2024-06-11_bfeac5f36dbdccca409f3030f14dfb0f_cryptolocker.exe"
1⤵
- Loads dropped DLL
- Suspicious use of WriteProcessMemory
PID:2964
- C:\Users\Admin\AppData\Local\Temp\asih.exe
  "C:\Users\Admin\AppData\Local\Temp\asih.exe"
  2⤵
  - Executes dropped EXE
  PID:2256

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
74KB

MD5
876cf8d4c9c12275e9e0dac9efa7add5

SHA1
527deb5190ede75266c04807fb9ff475e50219fc

SHA256
70b92941640e4636cb5d87e57d3d891218e1d7064ff370608da68fcca8da847b

SHA512
d83ffc974474e9b7b4b655efb7ec4dd168131da50a6b9ac2ac4a2a433780f8d902110e500f8a6b08047c8d01c4e287c4089adf569b7f3626e6611b869d612114

Download Submit
memory/2256-15-0x0000000000480000-0x0000000000486000-memory.dmp

Filesize
24KB

Download
memory/2256-22-0x0000000000440000-0x0000000000446000-memory.dmp

Filesize
24KB

Download
memory/2964-1-0x00000000004C0000-0x00000000004C6000-memory.dmp

Filesize
24KB

Download
memory/2964-8-0x0000000000250000-0x0000000000256000-memory.dmp

Filesize
24KB

Download
memory/2964-0-0x0000000000250000-0x0000000000256000-memory.dmp

Filesize
24KB

Download