1c59fe602e4007f048b8b80836bcd7ddd39ce83a204fe6f509687469223b3576

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
27/03/2024, 20:47

Sharing

Copy URL

Twitter E-mail

Report Analysis Logs

General

Target

2024-03-27_ec9b7422096748b5cd01618610f15039_cryptolocker.exe
Size

37KB
MD5

ec9b7422096748b5cd01618610f15039
SHA1

9249ae3061a889c6cfba470a9c41f96a84f8b511
SHA256

1c59fe602e4007f048b8b80836bcd7ddd39ce83a204fe6f509687469223b3576
SHA512

f1dd43759fc98ffe0095d25a6271ab01861ab3d8ca500f069290766f513b88a8b5024330cb6f4f77f4c6da2e99b931b7fdaac399689e8f1560ebb02554a30126
SSDEEP

768:UEEmoQDj/xnMp+yptndwe/PWQtOOtEvwDpjLenUq:ZzFbxmLPWQMOtEvwDpjLeH

Score

9^/10

Malware Config

Signatures

Detection of CryptoLocker Variants 1 IoCs

resource	yara_rule
behavioral1/files/0x000c000000012254-11.dat	CryptoLocker_rule2

Executes dropped EXE 1 IoCs

pid	Process
1720	misid.exe

Loads dropped DLL 1 IoCs

pid	Process
2204	2024-03-27_ec9b7422096748b5cd01618610f15039_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 2204 wrote to memory of 1720	2204	2024-03-27_ec9b7422096748b5cd01618610f15039_cryptolocker.exe	28
PID 2204 wrote to memory of 1720	2204	2024-03-27_ec9b7422096748b5cd01618610f15039_cryptolocker.exe	28
PID 2204 wrote to memory of 1720	2204	2024-03-27_ec9b7422096748b5cd01618610f15039_cryptolocker.exe	28
PID 2204 wrote to memory of 1720	2204	2024-03-27_ec9b7422096748b5cd01618610f15039_cryptolocker.exe	28

C:\Users\Admin\AppData\Local\Temp\2024-03-27_ec9b7422096748b5cd01618610f15039_cryptolocker.exe
"C:\Users\Admin\AppData\Local\Temp\2024-03-27_ec9b7422096748b5cd01618610f15039_cryptolocker.exe"
1⤵
- Loads dropped DLL
- Suspicious use of WriteProcessMemory
PID:2204
- C:\Users\Admin\AppData\Local\Temp\misid.exe
  "C:\Users\Admin\AppData\Local\Temp\misid.exe"
  2⤵
  - Executes dropped EXE
  PID:1720

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

Loading Replay Monitor...

Downloads

\Users\Admin\AppData\Local\Temp\misid.exe

Filesize
37KB

MD5
b2b7974acfc685b5b6ea0c01622385f2

SHA1
5f09ee61d8ff42bbfbb6814cf96e6b77e719ee8a

SHA256
b7a0597d82a08cca74cb8dffb7bf9ec2aa2844fc988bfc5a7c974ef048ac4518

SHA512
638ac5ef126d12ccbcbf741e3744a03fc97c20abb1c96f98cd3cc9f8a466315d771e9ec700d094074f0810f386b6422625a0cce64104148c21fd3871a3e1ef09

Download Submit
memory/1720-18-0x0000000000210000-0x0000000000216000-memory.dmp

Filesize
24KB

Download
memory/1720-19-0x00000000001D0000-0x00000000001D6000-memory.dmp

Filesize
24KB

Download
memory/1720-17-0x00000000001C0000-0x00000000001C6000-memory.dmp

Filesize
24KB

Download
memory/2204-0-0x00000000001C0000-0x00000000001C3000-memory.dmp

Filesize
12KB

Download
memory/2204-1-0x00000000001C0000-0x00000000001C6000-memory.dmp

Filesize
24KB

Download
memory/2204-3-0x00000000001C0000-0x00000000001C6000-memory.dmp

Filesize
24KB

Download
memory/2204-2-0x00000000003F0000-0x00000000003F6000-memory.dmp

Filesize
24KB

Download
memory/2204-15-0x00000000001C0000-0x00000000001C3000-memory.dmp

Filesize
12KB

Download