7644a12adfe6205d996805a7e27bdc2e5d175086e5c8b6ad35545189d4b6f575

Analysis

max time kernel
149s
max time network
152s
platform
windows7_x64
resource
win7-20240221-en
resource tags

arch:x64arch:x86image:win7-20240221-enlocale:en-usos:windows7-x64system
submitted
12/03/2024, 05:47

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General

Target

2024-03-12_9925b6fc77135f09f2c707c49193cab1_cryptolocker.exe
Size

97KB
MD5

9925b6fc77135f09f2c707c49193cab1
SHA1

d9be4bb7e5c525b03c27b836108bcf88282d5cb4
SHA256

7644a12adfe6205d996805a7e27bdc2e5d175086e5c8b6ad35545189d4b6f575
SHA512

8e575666b554ca910e9fcf75b15735ddaa9450cd3f7eb7913f4095a1cf20aac65c55dde52d4b13747d757f0233a0a034098f05d55b3d95d4f72c85399d13eab5
SSDEEP

1536:V6QFElP6n+gMQMOtEvwDpjQGYQbN/PKwNgp0xyL2:V6a+pOtEvwDpjtz3

Score

9^/10

Malware Config

Signatures

Detection of CryptoLocker Variants 1 IoCs

resource	yara_rule
behavioral1/files/0x000b000000012267-10.dat	CryptoLocker_rule2

Detection of Cryptolocker Samples 1 IoCs

resource	yara_rule
behavioral1/files/0x000b000000012267-10.dat	CryptoLocker_set1

Executes dropped EXE 1 IoCs

pid	Process
2892	asih.exe

Loads dropped DLL 1 IoCs

pid	Process
2884	2024-03-12_9925b6fc77135f09f2c707c49193cab1_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 2884 wrote to memory of 2892	2884	2024-03-12_9925b6fc77135f09f2c707c49193cab1_cryptolocker.exe	28
PID 2884 wrote to memory of 2892	2884	2024-03-12_9925b6fc77135f09f2c707c49193cab1_cryptolocker.exe	28
PID 2884 wrote to memory of 2892	2884	2024-03-12_9925b6fc77135f09f2c707c49193cab1_cryptolocker.exe	28
PID 2884 wrote to memory of 2892	2884	2024-03-12_9925b6fc77135f09f2c707c49193cab1_cryptolocker.exe	28

C:\Users\Admin\AppData\Local\Temp\2024-03-12_9925b6fc77135f09f2c707c49193cab1_cryptolocker.exe
"C:\Users\Admin\AppData\Local\Temp\2024-03-12_9925b6fc77135f09f2c707c49193cab1_cryptolocker.exe"
1⤵
- Loads dropped DLL
- Suspicious use of WriteProcessMemory
PID:2884
- C:\Users\Admin\AppData\Local\Temp\asih.exe
  "C:\Users\Admin\AppData\Local\Temp\asih.exe"
  2⤵
  - Executes dropped EXE
  PID:2892

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
97KB

MD5
5dab9fd8f306579b17b2f7c2e19f0e44

SHA1
d334d235389d23d6f8ce758c62d167ed87b0961a

SHA256
546a6b191ab46d189fdbf72c5272ec234ecae78088baa3827705dd0e5790e993

SHA512
16ec4635cb757e629cb337431ba0f232a33ad2dc1e7fa87ec6230fbe99006c2e2c179fe0bc3df465bd4f1fc603e3bb75cef2e181b7c9df7c4b9d18f141d8ab02

Download Submit
memory/2884-0-0x00000000002C0000-0x00000000002C6000-memory.dmp

Filesize
24KB

Download
memory/2884-2-0x00000000002C0000-0x00000000002C6000-memory.dmp

Filesize
24KB

Download
memory/2884-1-0x0000000000370000-0x0000000000376000-memory.dmp

Filesize
24KB

Download
memory/2892-15-0x0000000000300000-0x0000000000306000-memory.dmp

Filesize
24KB

Download