387ffb3545f2ae7e13149bb50177bf1b688b7ded245b595a4e62bb45b8913ef2

Analysis

max time kernel
151s
max time network
159s
platform
windows7_x64
resource
win7-20240221-en
resource tags

arch:x64arch:x86image:win7-20240221-enlocale:en-usos:windows7-x64system
submitted
13-03-2024 05:31

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General

Target

2024-03-13_229d8cc8a214be9d579609ab90b06e6d_cryptolocker.exe
Size

127KB
MD5

229d8cc8a214be9d579609ab90b06e6d
SHA1

8f5b839b8909f8ebe344e44cef3eda0854c49829
SHA256

387ffb3545f2ae7e13149bb50177bf1b688b7ded245b595a4e62bb45b8913ef2
SHA512

a248c461ff41ee03dae31710c7759a207f1a39339e0abbabd360460fa61210f8921a9e9b5c59a7854bfc10967467eed8e1a496dd87ee8ef648d9cfd53e7c9811
SSDEEP

1536:gUj+AIMOtEvwDpjNbwQEIPlemUhYwkkxGBp3U:vCA9OtEvwDpjo

Score

9^/10

Malware Config

Signatures

Detection of CryptoLocker Variants 1 IoCs

resource	yara_rule
behavioral1/files/0x000a000000012254-10.dat	CryptoLocker_rule2

Detection of Cryptolocker Samples 1 IoCs

resource	yara_rule
behavioral1/files/0x000a000000012254-10.dat	CryptoLocker_set1

Executes dropped EXE 1 IoCs

pid	Process
2696	misid.exe

Loads dropped DLL 1 IoCs

pid	Process
364	2024-03-13_229d8cc8a214be9d579609ab90b06e6d_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 364 wrote to memory of 2696	364	2024-03-13_229d8cc8a214be9d579609ab90b06e6d_cryptolocker.exe	28
PID 364 wrote to memory of 2696	364	2024-03-13_229d8cc8a214be9d579609ab90b06e6d_cryptolocker.exe	28
PID 364 wrote to memory of 2696	364	2024-03-13_229d8cc8a214be9d579609ab90b06e6d_cryptolocker.exe	28
PID 364 wrote to memory of 2696	364	2024-03-13_229d8cc8a214be9d579609ab90b06e6d_cryptolocker.exe	28

C:\Users\Admin\AppData\Local\Temp\2024-03-13_229d8cc8a214be9d579609ab90b06e6d_cryptolocker.exe
"C:\Users\Admin\AppData\Local\Temp\2024-03-13_229d8cc8a214be9d579609ab90b06e6d_cryptolocker.exe"
1⤵
- Loads dropped DLL
- Suspicious use of WriteProcessMemory
PID:364
- C:\Users\Admin\AppData\Local\Temp\misid.exe
  "C:\Users\Admin\AppData\Local\Temp\misid.exe"
  2⤵
  - Executes dropped EXE
  PID:2696

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\misid.exe

Filesize
127KB

MD5
127eae4432206bcc6ce0f91ed6420017

SHA1
789ad182626570979065b2fc29766e0e24140315

SHA256
aa99d95bd70853ffe05b8eeff281d00ec6a4f766eabfdd4de641eae6f9cba212

SHA512
323f66a149e1378767bd376f95d528a82cfe34b9cca1d421d9651d25e60e1e231455254df9df7f81287c2af7bac1e8a0b3dd4936fac4c517351a4c1a57efbd64

Download Submit
memory/364-0-0x00000000002C0000-0x00000000002C6000-memory.dmp

Filesize
24KB

Download
memory/364-2-0x00000000002F0000-0x00000000002F6000-memory.dmp

Filesize
24KB

Download
memory/364-1-0x00000000002C0000-0x00000000002C6000-memory.dmp

Filesize
24KB

Download
memory/2696-15-0x0000000000470000-0x0000000000476000-memory.dmp

Filesize
24KB

Download
memory/2696-17-0x0000000000440000-0x0000000000446000-memory.dmp

Filesize
24KB

Download