df5191468ff60ba4657cbcd085e557700cc9bd830a002c3a071bb5b2064031ca

Analysis

max time kernel
149s
max time network
150s
platform
windows7_x64
resource
win7-20240508-en
resource tags

arch:x64arch:x86image:win7-20240508-enlocale:en-usos:windows7-x64system
submitted
28/05/2024, 02:30

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General

Target

2024-05-28_3f4fbfb68c1b1f41297e1d3d1e955f8b_cryptolocker.exe
Size

36KB
MD5

3f4fbfb68c1b1f41297e1d3d1e955f8b
SHA1

2365f9c1b5bee12215b0bf3164659ed98ddeff6f
SHA256

df5191468ff60ba4657cbcd085e557700cc9bd830a002c3a071bb5b2064031ca
SHA512

9b7fded80b26fb51f7008307b535c504a5825801a32baa75d9b96f548fab32fef25dea5fdf08eee703a8b5f05817f48bb4c47ca573545cd0e9741358778f5bdb
SSDEEP

384:bA74uGLLQRcsdeQ72ngEr4K7YmE8j60nrlwfjDUgIunIVpeNs23mAA6lxZgH/:bA74zYcgT/Ekd0ryfjPIunqpeNswm6c

Score

9^/10

Malware Config

Signatures

Detection of CryptoLocker Variants 1 IoCs

resource	yara_rule
behavioral1/files/0x000f00000001226b-10.dat	CryptoLocker_rule2

Executes dropped EXE 1 IoCs

pid	Process
2172	hasfj.exe

Loads dropped DLL 1 IoCs

pid	Process
1852	2024-05-28_3f4fbfb68c1b1f41297e1d3d1e955f8b_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 1852 wrote to memory of 2172	1852	2024-05-28_3f4fbfb68c1b1f41297e1d3d1e955f8b_cryptolocker.exe	28
PID 1852 wrote to memory of 2172	1852	2024-05-28_3f4fbfb68c1b1f41297e1d3d1e955f8b_cryptolocker.exe	28
PID 1852 wrote to memory of 2172	1852	2024-05-28_3f4fbfb68c1b1f41297e1d3d1e955f8b_cryptolocker.exe	28
PID 1852 wrote to memory of 2172	1852	2024-05-28_3f4fbfb68c1b1f41297e1d3d1e955f8b_cryptolocker.exe	28

C:\Users\Admin\AppData\Local\Temp\2024-05-28_3f4fbfb68c1b1f41297e1d3d1e955f8b_cryptolocker.exe
"C:\Users\Admin\AppData\Local\Temp\2024-05-28_3f4fbfb68c1b1f41297e1d3d1e955f8b_cryptolocker.exe"
1⤵
- Loads dropped DLL
- Suspicious use of WriteProcessMemory
PID:1852
- C:\Users\Admin\AppData\Local\Temp\hasfj.exe
  "C:\Users\Admin\AppData\Local\Temp\hasfj.exe"
  2⤵
  - Executes dropped EXE
  PID:2172

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\hasfj.exe

Filesize
37KB

MD5
0189d4fc0d854f12d2162344f11a9619

SHA1
6f46d1862465e69100ffead70054634a09af4aca

SHA256
71afa058f9e5e4b1647e4b38a8317c5c638649973ab891a0672604cbabe56780

SHA512
e853c1b2c1ae2e0c86edba94d5fd1258cc3137317b0d039874f3602b3bfadd0cb70e5d43d56903cab12d8824ef00cce54f8245015c887ef36f344694ecb7cf15

Download Submit
memory/1852-1-0x00000000003A0000-0x00000000003A6000-memory.dmp

Filesize
24KB

Download
memory/1852-0-0x0000000000390000-0x0000000000396000-memory.dmp

Filesize
24KB

Download
memory/1852-8-0x0000000000390000-0x0000000000396000-memory.dmp

Filesize
24KB

Download