addbad17f2770f8e329f562af0a1722de029d8098aa3fb4fadeacc9ba6f535f0

Analysis

max time kernel
149s
max time network
151s
platform
windows7_x64
resource
win7-20240215-en
resource tags

arch:x64arch:x86image:win7-20240215-enlocale:en-usos:windows7-x64system
submitted
20/02/2024, 13:30

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General

Target

2024-02-20_9d6f15d53abf434fa5093f3dc850b5a9_cryptolocker.exe
Size

30KB
MD5

9d6f15d53abf434fa5093f3dc850b5a9
SHA1

a1b76c32dac9a6d354987c708281a71e3a71809e
SHA256

addbad17f2770f8e329f562af0a1722de029d8098aa3fb4fadeacc9ba6f535f0
SHA512

e429d4c8b7e83200a7cea4501d08203a6dc254f517cdffb601a3a0395d43130b71b61af6ddb8704396c39e93818dcce42a3deee99333b098131234a57f5c6559
SSDEEP

384:bA74uGLLQRcsdeQ72ngEr4K7YmE8j60nrlwfjDUr766SJ5STV9Zv:bA74zYcgT/Ekd0ryfjQRSnWV9B

Score

9^/10

Malware Config

Signatures

Detection of CryptoLocker Variants 1 IoCs

resource	yara_rule
behavioral1/files/0x000c000000012326-10.dat	CryptoLocker_rule2

Executes dropped EXE 1 IoCs

pid	Process
2712	hasfj.exe

Loads dropped DLL 1 IoCs

pid	Process
1956	2024-02-20_9d6f15d53abf434fa5093f3dc850b5a9_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 1956 wrote to memory of 2712	1956	2024-02-20_9d6f15d53abf434fa5093f3dc850b5a9_cryptolocker.exe	28
PID 1956 wrote to memory of 2712	1956	2024-02-20_9d6f15d53abf434fa5093f3dc850b5a9_cryptolocker.exe	28
PID 1956 wrote to memory of 2712	1956	2024-02-20_9d6f15d53abf434fa5093f3dc850b5a9_cryptolocker.exe	28
PID 1956 wrote to memory of 2712	1956	2024-02-20_9d6f15d53abf434fa5093f3dc850b5a9_cryptolocker.exe	28

C:\Users\Admin\AppData\Local\Temp\2024-02-20_9d6f15d53abf434fa5093f3dc850b5a9_cryptolocker.exe
"C:\Users\Admin\AppData\Local\Temp\2024-02-20_9d6f15d53abf434fa5093f3dc850b5a9_cryptolocker.exe"
1⤵
- Loads dropped DLL
- Suspicious use of WriteProcessMemory
PID:1956
- C:\Users\Admin\AppData\Local\Temp\hasfj.exe
  "C:\Users\Admin\AppData\Local\Temp\hasfj.exe"
  2⤵
  - Executes dropped EXE
  PID:2712

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
30KB

MD5
9ee846b81b6d65578decdde69d1f0c80

SHA1
3487a5f75e39739623d2b1a49327cdadadf78ea2

SHA256
8d3084c89705a6880e5926780c83f9cb85afa6a44d43c09d67a8b191587495fb

SHA512
2a1a0c52ca9ef54849a95694e73774d026f2970a049ae7d8070128995e46894e46e6bebc8624946cbaa7d174f8109b4103431595276b5d1a8817ccfa9570b520

Download Submit
memory/1956-0-0x0000000001CA0000-0x0000000001CA6000-memory.dmp

Filesize
24KB

Download
memory/1956-1-0x0000000001CB0000-0x0000000001CB6000-memory.dmp

Filesize
24KB

Download
memory/1956-8-0x0000000001CA0000-0x0000000001CA6000-memory.dmp

Filesize
24KB

Download
memory/2712-16-0x0000000001BC0000-0x0000000001BC6000-memory.dmp

Filesize
24KB

Download
memory/2712-15-0x0000000001BD0000-0x0000000001BD6000-memory.dmp

Filesize
24KB

Download