d71256539198efecedbaa2513e1c159e0efeb832a327a6624a412f99170915d6

Analysis

max time kernel
147s
max time network
149s
platform
windows7_x64
resource
win7-20240221-en
resource tags

arch:x64arch:x86image:win7-20240221-enlocale:en-usos:windows7-x64system
submitted
16/05/2024, 22:22

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General

Target

2024-05-16_263ce7f27a77bcd37c7ebb460909c043_cryptolocker.exe
Size

49KB
MD5

263ce7f27a77bcd37c7ebb460909c043
SHA1

47aeb0dbd707fda7070d644e4603f34aa9054e57
SHA256

d71256539198efecedbaa2513e1c159e0efeb832a327a6624a412f99170915d6
SHA512

6b49388abd69553256fc58341716552be4257b7b4013673c5694af6d801b25e323cb4816b9be155a18b9d953cf39ce9468403669274daac5abf29a14c3610e4b
SSDEEP

768:X6LsoEEeegiZPvEhHSG+gp/BtOOtEvwDpjBVaD3E09vdXfm:X6QFElP6n+gJBMOtEvwDpjBtEdXfm

Score

9^/10

Malware Config

Signatures

Detection of CryptoLocker Variants 1 IoCs

resource	yara_rule
behavioral1/files/0x000b000000015ccd-10.dat	CryptoLocker_rule2

Detection of Cryptolocker Samples 1 IoCs

resource	yara_rule
behavioral1/files/0x000b000000015ccd-10.dat	CryptoLocker_set1

Executes dropped EXE 1 IoCs

pid	Process
1404	asih.exe

Loads dropped DLL 1 IoCs

pid	Process
2320	2024-05-16_263ce7f27a77bcd37c7ebb460909c043_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 2320 wrote to memory of 1404	2320	2024-05-16_263ce7f27a77bcd37c7ebb460909c043_cryptolocker.exe	28
PID 2320 wrote to memory of 1404	2320	2024-05-16_263ce7f27a77bcd37c7ebb460909c043_cryptolocker.exe	28
PID 2320 wrote to memory of 1404	2320	2024-05-16_263ce7f27a77bcd37c7ebb460909c043_cryptolocker.exe	28
PID 2320 wrote to memory of 1404	2320	2024-05-16_263ce7f27a77bcd37c7ebb460909c043_cryptolocker.exe	28

C:\Users\Admin\AppData\Local\Temp\2024-05-16_263ce7f27a77bcd37c7ebb460909c043_cryptolocker.exe
"C:\Users\Admin\AppData\Local\Temp\2024-05-16_263ce7f27a77bcd37c7ebb460909c043_cryptolocker.exe"
1⤵
- Loads dropped DLL
- Suspicious use of WriteProcessMemory
PID:2320
- C:\Users\Admin\AppData\Local\Temp\asih.exe
  "C:\Users\Admin\AppData\Local\Temp\asih.exe"
  2⤵
  - Executes dropped EXE
  PID:1404

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
49KB

MD5
f767d9b0fe35d1b01832a12e7013b8ac

SHA1
cb8448390e2b2e1f80f6bc444d7bbd4c6832c1a9

SHA256
2644e7ed0ab7bd34d38ccc02ca44016d57d609974b19d2dae1e5bd9243950afd

SHA512
5f6ecf15fb160d9cd0ceed4e84f8c88ac4773bab17f92b406b1556e225fea4930be62ed3e13bd2068fa7675eed29bd9faca7e8a4c426d2a38d4a2a66bacbf9a6

Download Submit
memory/1404-15-0x0000000000280000-0x0000000000286000-memory.dmp

Filesize
24KB

Download
memory/1404-22-0x0000000000240000-0x0000000000246000-memory.dmp

Filesize
24KB

Download
memory/2320-0-0x00000000001C0000-0x00000000001C6000-memory.dmp

Filesize
24KB

Download
memory/2320-1-0x00000000003F0000-0x00000000003F6000-memory.dmp

Filesize
24KB

Download
memory/2320-8-0x00000000001C0000-0x00000000001C6000-memory.dmp

Filesize
24KB

Download