7190f4fa839b8cf0dc7947dd3fe2d81e40e6fa6a91cae962eb6c719502f950bd

Analysis

max time kernel
150s
max time network
141s
platform
windows7_x64
resource
win7-20240221-en
resource tags

arch:x64arch:x86image:win7-20240221-enlocale:en-usos:windows7-x64system
submitted
19/03/2024, 19:36

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General

Target

2024-03-19_5ae5e8f3be962bf9617ca3909ce895bc_cryptolocker.exe
Size

72KB
MD5

5ae5e8f3be962bf9617ca3909ce895bc
SHA1

d4680f02592aaaa8e69c88519de77ea367b63bf6
SHA256

7190f4fa839b8cf0dc7947dd3fe2d81e40e6fa6a91cae962eb6c719502f950bd
SHA512

4d2bcb0715380b75ada9af936b110e654129646dea55f59a586d7539efac5ea0ea2ad3bbbc5d36e06c7766020a84773c34aa5e4439dba31401f0737efaa8744e
SSDEEP

1536:X6QFElP6n+gJQMOtEvwDpjBZYTjipvF2bx1rHY:X6a+SOtEvwDpjBZYvQd28

Score

9^/10

Malware Config

Signatures

Detection of CryptoLocker Variants 1 IoCs

resource	yara_rule
behavioral1/files/0x000c00000001223a-10.dat	CryptoLocker_rule2

Detection of Cryptolocker Samples 1 IoCs

resource	yara_rule
behavioral1/files/0x000c00000001223a-10.dat	CryptoLocker_set1

Executes dropped EXE 1 IoCs

pid	Process
2464	asih.exe

Loads dropped DLL 1 IoCs

pid	Process
2164	2024-03-19_5ae5e8f3be962bf9617ca3909ce895bc_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 2164 wrote to memory of 2464	2164	2024-03-19_5ae5e8f3be962bf9617ca3909ce895bc_cryptolocker.exe	28
PID 2164 wrote to memory of 2464	2164	2024-03-19_5ae5e8f3be962bf9617ca3909ce895bc_cryptolocker.exe	28
PID 2164 wrote to memory of 2464	2164	2024-03-19_5ae5e8f3be962bf9617ca3909ce895bc_cryptolocker.exe	28
PID 2164 wrote to memory of 2464	2164	2024-03-19_5ae5e8f3be962bf9617ca3909ce895bc_cryptolocker.exe	28

C:\Users\Admin\AppData\Local\Temp\2024-03-19_5ae5e8f3be962bf9617ca3909ce895bc_cryptolocker.exe
"C:\Users\Admin\AppData\Local\Temp\2024-03-19_5ae5e8f3be962bf9617ca3909ce895bc_cryptolocker.exe"
1⤵
- Loads dropped DLL
- Suspicious use of WriteProcessMemory
PID:2164
- C:\Users\Admin\AppData\Local\Temp\asih.exe
  "C:\Users\Admin\AppData\Local\Temp\asih.exe"
  2⤵
  - Executes dropped EXE
  PID:2464

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
72KB

MD5
dfa0707cb8b9d623c420d34d125f30cf

SHA1
b2ec49dd4fc7bb484e742b8dedbfd85de36786a7

SHA256
306bc97f5da2e853ecddddf350e3942fe8456d7a5bd251173f8c6cc8222c3242

SHA512
88dd4425a44d4bce163198afda5081abd927de1b8a8aeb738541433abed9e98ec5430239f8457f3862d19d0a22cb485115a25dbaadab9ec573c98a122e3d38ed

Download Submit
memory/2164-0-0x00000000002D0000-0x00000000002D6000-memory.dmp

Filesize
24KB

Download
memory/2164-1-0x0000000000300000-0x0000000000306000-memory.dmp

Filesize
24KB

Download
memory/2164-8-0x00000000002D0000-0x00000000002D6000-memory.dmp

Filesize
24KB

Download
memory/2464-16-0x00000000002C0000-0x00000000002C6000-memory.dmp

Filesize
24KB

Download
memory/2464-15-0x0000000000520000-0x0000000000526000-memory.dmp

Filesize
24KB

Download