dea9b22a98b225868f7c2f9461255f05ab1a8c0cdc449a25448faadacaa6447a

Analysis

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

arch:x64arch:x86image:win7-20240221-enlocale:en-usos:windows7-x64system
submitted
12/06/2024, 18:48

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General

Target

2024-06-12_570a8a8f4397f3aed716cd8d8b12f855_cryptolocker.exe
Size

44KB
MD5

570a8a8f4397f3aed716cd8d8b12f855
SHA1

9b4298604cd22e9c41b569bd2b3f99d7520ce073
SHA256

dea9b22a98b225868f7c2f9461255f05ab1a8c0cdc449a25448faadacaa6447a
SHA512

ef7ce233f20d4fb0acfdee09d3c2c793baa33055fc2c7eb579d08f5f67d3d477a1cd81b057dccff77a9602676e9f2c8e0453a4db806c6627cc486b688d48a3f4
SSDEEP

768:X6LsoEEeegiZPvEhHSG+gp/QtOOtEvwDpjBVaD3TP7DFHuRcD9Hxl:X6QFElP6n+gJQMOtEvwDpjBmzDkWDtj

Score

9^/10

Malware Config

Signatures

Detection of CryptoLocker Variants 1 IoCs

resource	yara_rule
behavioral1/files/0x000d00000001449a-10.dat	CryptoLocker_rule2

Detection of Cryptolocker Samples 1 IoCs

resource	yara_rule
behavioral1/files/0x000d00000001449a-10.dat	CryptoLocker_set1

Executes dropped EXE 1 IoCs

pid	Process
2492	asih.exe

Loads dropped DLL 1 IoCs

pid	Process
2232	2024-06-12_570a8a8f4397f3aed716cd8d8b12f855_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 2232 wrote to memory of 2492	2232	2024-06-12_570a8a8f4397f3aed716cd8d8b12f855_cryptolocker.exe	28
PID 2232 wrote to memory of 2492	2232	2024-06-12_570a8a8f4397f3aed716cd8d8b12f855_cryptolocker.exe	28
PID 2232 wrote to memory of 2492	2232	2024-06-12_570a8a8f4397f3aed716cd8d8b12f855_cryptolocker.exe	28
PID 2232 wrote to memory of 2492	2232	2024-06-12_570a8a8f4397f3aed716cd8d8b12f855_cryptolocker.exe	28

C:\Users\Admin\AppData\Local\Temp\2024-06-12_570a8a8f4397f3aed716cd8d8b12f855_cryptolocker.exe
"C:\Users\Admin\AppData\Local\Temp\2024-06-12_570a8a8f4397f3aed716cd8d8b12f855_cryptolocker.exe"
1⤵
- Loads dropped DLL
- Suspicious use of WriteProcessMemory
PID:2232
- C:\Users\Admin\AppData\Local\Temp\asih.exe
  "C:\Users\Admin\AppData\Local\Temp\asih.exe"
  2⤵
  - Executes dropped EXE
  PID:2492

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
45KB

MD5
5a0f0834f0552467c9ca89c6e3ff4f45

SHA1
bf83c9eaa66f2f8f21196b4cc705b83f3294eddc

SHA256
6265cdad19b6c0bb43884aad86c36c56ca636897239c1ef72704662c6ba2bc7d

SHA512
536c06f809a10121d38e80493c4cf192ff5e5dcf63aa23d15fe654bf770f18e2117b8aeb5daca515437f58c0ed959199688bda4e3e71a74299eeeee8e34d82b1

Download Submit
memory/2232-0-0x00000000001D0000-0x00000000001D6000-memory.dmp

Filesize
24KB

Download
memory/2232-8-0x00000000001D0000-0x00000000001D6000-memory.dmp

Filesize
24KB

Download
memory/2232-1-0x0000000000210000-0x0000000000216000-memory.dmp

Filesize
24KB

Download
memory/2492-22-0x0000000000440000-0x0000000000446000-memory.dmp

Filesize
24KB

Download
memory/2492-15-0x0000000000480000-0x0000000000486000-memory.dmp

Filesize
24KB

Download