92a7a81feebfab2d7c1349a510b30db55dde981e56b11a7a0f0e4ac3dea51a06

Analysis

max time kernel
148s
max time network
154s
platform
windows7_x64
resource
win7-20240221-en
resource tags

arch:x64arch:x86image:win7-20240221-enlocale:en-usos:windows7-x64system
submitted
10/05/2024, 11:25

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General

Target

2024-05-10_14a87ba804d031c1d37f83d35cb63315_cryptolocker.exe
Size

46KB
MD5

14a87ba804d031c1d37f83d35cb63315
SHA1

dc705b20ec2de5fbc34bf3e2faec3e7cb3927479
SHA256

92a7a81feebfab2d7c1349a510b30db55dde981e56b11a7a0f0e4ac3dea51a06
SHA512

6672bbcc08eeea2d09af8210f595f305e165e1cf438a126892fb4103fd2d7a12b79084b7788f2240e042bb7ea7739049fe7af60f1c419df909f83b7d0a4ccfc6
SSDEEP

768:V6LsoEEeegiZPvEhHSG+gDYQtOOtEvwDpj/MLam5aFr7YOzzfm0EXs+:V6QFElP6n+gMQMOtEvwDpjyaYaFAh3x

Score

9^/10

Malware Config

Signatures

Detection of CryptoLocker Variants 1 IoCs

resource	yara_rule
behavioral1/files/0x000d000000014698-13.dat	CryptoLocker_rule2

Detection of Cryptolocker Samples 1 IoCs

resource	yara_rule
behavioral1/files/0x000d000000014698-13.dat	CryptoLocker_set1

Executes dropped EXE 1 IoCs

pid	Process
3020	asih.exe

Loads dropped DLL 1 IoCs

pid	Process
1688	2024-05-10_14a87ba804d031c1d37f83d35cb63315_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 1688 wrote to memory of 3020	1688	2024-05-10_14a87ba804d031c1d37f83d35cb63315_cryptolocker.exe	28
PID 1688 wrote to memory of 3020	1688	2024-05-10_14a87ba804d031c1d37f83d35cb63315_cryptolocker.exe	28
PID 1688 wrote to memory of 3020	1688	2024-05-10_14a87ba804d031c1d37f83d35cb63315_cryptolocker.exe	28
PID 1688 wrote to memory of 3020	1688	2024-05-10_14a87ba804d031c1d37f83d35cb63315_cryptolocker.exe	28

C:\Users\Admin\AppData\Local\Temp\2024-05-10_14a87ba804d031c1d37f83d35cb63315_cryptolocker.exe
"C:\Users\Admin\AppData\Local\Temp\2024-05-10_14a87ba804d031c1d37f83d35cb63315_cryptolocker.exe"
1⤵
- Loads dropped DLL
- Suspicious use of WriteProcessMemory
PID:1688
- C:\Users\Admin\AppData\Local\Temp\asih.exe
  "C:\Users\Admin\AppData\Local\Temp\asih.exe"
  2⤵
  - Executes dropped EXE
  PID:3020

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

C:\Users\Admin\AppData\Local\Temp\asih.exe

Filesize
46KB

MD5
db3324732e1c06cdf14d2a3c5ff20a43

SHA1
be7d29f58882195e71eac3df14da80c35e9233e8

SHA256
4ca2750b0e34752806eb71ef5d259f1f9b758e9ad2cf932e1f6bec13bce9dd38

SHA512
bd082b4fed1fbd0136c43e1d9763eeff1393007fd2701118b86aa0785c0fcffd58365d9feab746cc233a01e87766b8585a1d1b1b97f940a0967768e199c603fd

Download Submit
memory/1688-0-0x0000000000280000-0x0000000000286000-memory.dmp

Filesize
24KB

Download
memory/1688-1-0x00000000004D0000-0x00000000004D6000-memory.dmp

Filesize
24KB

Download
memory/1688-8-0x0000000000280000-0x0000000000286000-memory.dmp

Filesize
24KB

Download
memory/3020-15-0x0000000000280000-0x0000000000286000-memory.dmp

Filesize
24KB

Download
memory/3020-22-0x00000000001D0000-0x00000000001D6000-memory.dmp

Filesize
24KB

Download