18249e04fb7b0647513391e2ff36dcc5c38cb4994d3948060853432013d1b81a

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
16/05/2024, 21:36

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General

Target

2024-05-16_fd67a9074f317fe929ea6673d13c615d_cryptolocker.exe
Size

46KB
MD5

fd67a9074f317fe929ea6673d13c615d
SHA1

a4102441de2c7b997caf98b8fe35c6a2ee443e54
SHA256

18249e04fb7b0647513391e2ff36dcc5c38cb4994d3948060853432013d1b81a
SHA512

9a1f91f5dee477f0ccbf4461bf041222ad406fcd380e789a08ec038ea4ac75a69e58f366e4c3d502f13044e6b7b15c60cca5e9e8bd2e5d20f215851cfc77395e
SSDEEP

768:V6LsoEEeegiZPvEhHSG+gDYQtOOtEvwDpj/MLam5aFr7YOzzfm0EXsU0:V6QFElP6n+gMQMOtEvwDpjyaYaFAh3F0

Score

9^/10

Malware Config

Signatures

Detection of CryptoLocker Variants 1 IoCs

resource	yara_rule
behavioral1/files/0x000b000000014323-10.dat	CryptoLocker_rule2

Detection of Cryptolocker Samples 1 IoCs

resource	yara_rule
behavioral1/files/0x000b000000014323-10.dat	CryptoLocker_set1

Executes dropped EXE 1 IoCs

pid	Process
3068	asih.exe

Loads dropped DLL 1 IoCs

pid	Process
1756	2024-05-16_fd67a9074f317fe929ea6673d13c615d_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 1756 wrote to memory of 3068	1756	2024-05-16_fd67a9074f317fe929ea6673d13c615d_cryptolocker.exe	28
PID 1756 wrote to memory of 3068	1756	2024-05-16_fd67a9074f317fe929ea6673d13c615d_cryptolocker.exe	28
PID 1756 wrote to memory of 3068	1756	2024-05-16_fd67a9074f317fe929ea6673d13c615d_cryptolocker.exe	28
PID 1756 wrote to memory of 3068	1756	2024-05-16_fd67a9074f317fe929ea6673d13c615d_cryptolocker.exe	28

C:\Users\Admin\AppData\Local\Temp\2024-05-16_fd67a9074f317fe929ea6673d13c615d_cryptolocker.exe
"C:\Users\Admin\AppData\Local\Temp\2024-05-16_fd67a9074f317fe929ea6673d13c615d_cryptolocker.exe"
1⤵
- Loads dropped DLL
- Suspicious use of WriteProcessMemory
PID:1756
- C:\Users\Admin\AppData\Local\Temp\asih.exe
  "C:\Users\Admin\AppData\Local\Temp\asih.exe"
  2⤵
  - Executes dropped EXE
  PID:3068

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
46KB

MD5
ee64f03381f2747008fad396113d782e

SHA1
ee6b81aa51a583424bfa7a943b24538543294f6a

SHA256
a87a69f407e26e33c395ddf1291ae6a586386b3b519c836e019d7c0fb2a1184a

SHA512
d98e8ab276b113f081b145aad938eefe4d0d2673cdb9f8b2a0e29cfeeb389bf1a05e38339f637f6494d8944b3afceff8d1f5e3ebfab7e0218f2c69b7dd28dffd

Download Submit
memory/1756-0-0x0000000000240000-0x0000000000246000-memory.dmp

Filesize
24KB

Download
memory/1756-1-0x0000000000340000-0x0000000000346000-memory.dmp

Filesize
24KB

Download
memory/1756-8-0x0000000000240000-0x0000000000246000-memory.dmp

Filesize
24KB

Download
memory/3068-15-0x0000000000380000-0x0000000000386000-memory.dmp

Filesize
24KB

Download