aad6c7d6710dda3672b5dd3ed9f0a7f51f4de8840f24c1a61a540b53ce49bcf3

Analysis

max time kernel
148s
max time network
148s
platform
windows7_x64
resource
win7-20240215-en
resource tags

arch:x64arch:x86image:win7-20240215-enlocale:en-usos:windows7-x64system
submitted
20/02/2024, 11:51

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General

Target

2024-02-20_fc179d184728d71f1e55d978c56d2b76_cryptolocker.exe
Size

94KB
MD5

fc179d184728d71f1e55d978c56d2b76
SHA1

c4630a38d842a98ace5bf6b630fd3c7c9bacc3e6
SHA256

aad6c7d6710dda3672b5dd3ed9f0a7f51f4de8840f24c1a61a540b53ce49bcf3
SHA512

e4ceeef14cea1e68790d391bd6f23fcfc76ed96c0c1ca3dc3623a34a123e9b488a4f20c6bddd847c4833f49b534a289f5c112b94d1dac4ac27c3e3286e3480ca
SSDEEP

1536:Z6QFElP6n+gMQMOtEvwDpjQGYQbN/PKwNC42r:Z6a+pOtEvwDpjtzw

Score

9^/10

Malware Config

Signatures

Detection of CryptoLocker Variants 1 IoCs

resource	yara_rule
behavioral1/files/0x000c00000001231a-10.dat	CryptoLocker_rule2

Detection of Cryptolocker Samples 1 IoCs

resource	yara_rule
behavioral1/files/0x000c00000001231a-10.dat	CryptoLocker_set1

Executes dropped EXE 1 IoCs

pid	Process
1964	asih.exe

Loads dropped DLL 1 IoCs

pid	Process
2316	2024-02-20_fc179d184728d71f1e55d978c56d2b76_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 2316 wrote to memory of 1964	2316	2024-02-20_fc179d184728d71f1e55d978c56d2b76_cryptolocker.exe	28
PID 2316 wrote to memory of 1964	2316	2024-02-20_fc179d184728d71f1e55d978c56d2b76_cryptolocker.exe	28
PID 2316 wrote to memory of 1964	2316	2024-02-20_fc179d184728d71f1e55d978c56d2b76_cryptolocker.exe	28
PID 2316 wrote to memory of 1964	2316	2024-02-20_fc179d184728d71f1e55d978c56d2b76_cryptolocker.exe	28

C:\Users\Admin\AppData\Local\Temp\2024-02-20_fc179d184728d71f1e55d978c56d2b76_cryptolocker.exe
"C:\Users\Admin\AppData\Local\Temp\2024-02-20_fc179d184728d71f1e55d978c56d2b76_cryptolocker.exe"
1⤵
- Loads dropped DLL
- Suspicious use of WriteProcessMemory
PID:2316
- C:\Users\Admin\AppData\Local\Temp\asih.exe
  "C:\Users\Admin\AppData\Local\Temp\asih.exe"
  2⤵
  - Executes dropped EXE
  PID:1964

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
94KB

MD5
f71c46bbe5ba8d0fe4fdf72f35c5462a

SHA1
97f4f9f05a4812cfcc6bf772e6907fdaca2eaf49

SHA256
deaf86312b18b4a44f684590aae1349ee6ff7d4d017dcc85e19aca89e6d80577

SHA512
ce0b5390b2f5595e4bee6d15ae07d7a7dbbf253a36480fc74f7428511d6d5bd4cd2c836c0bf03276da439caa66d2432608158f83c58801a136b1ed98a3adb15f

Download Submit
memory/1964-15-0x0000000000280000-0x0000000000286000-memory.dmp

Filesize
24KB

Download
memory/1964-22-0x0000000000240000-0x0000000000246000-memory.dmp

Filesize
24KB

Download
memory/2316-0-0x00000000002C0000-0x00000000002C6000-memory.dmp

Filesize
24KB

Download
memory/2316-1-0x0000000000460000-0x0000000000466000-memory.dmp

Filesize
24KB

Download
memory/2316-8-0x00000000002C0000-0x00000000002C6000-memory.dmp

Filesize
24KB

Download