490aca481b07a8274bdad162d4297d5b4ba34e8fd4adef4d2f91a4166ecc194d

Analysis

max time kernel
149s
max time network
153s
platform
windows7_x64
resource
win7-20240221-en
resource tags

arch:x64arch:x86image:win7-20240221-enlocale:en-usos:windows7-x64system
submitted
18-04-2024 13:00

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General

Target

2024-04-18_e1179dabb7439761773b36eb8fc0a455_cryptolocker.exe
Size

38KB
MD5

e1179dabb7439761773b36eb8fc0a455
SHA1

db84465006e00766f5c3c04b93351aec9c9d77d3
SHA256

490aca481b07a8274bdad162d4297d5b4ba34e8fd4adef4d2f91a4166ecc194d
SHA512

db044279f27d536750bb3bff8ae58bd0c85164d8dd5f6c581dca5f0ddf58eb6f91d198dcf7e93d5ba23ca8ab670d8b2e27a8999c6ec5478e1c7ef6c206928800
SSDEEP

768:bA74zYcgT/Ekd0ryfjPIunqpeNswmxT4HmS:bA6YcA/X6G0W1BGS

Score

9^/10

Malware Config

Signatures

Detection of CryptoLocker Variants 1 IoCs

resource	yara_rule
behavioral1/files/0x000800000001222d-10.dat	CryptoLocker_rule2

Executes dropped EXE 1 IoCs

pid	Process
3012	hasfj.exe

Loads dropped DLL 1 IoCs

pid	Process
2484	2024-04-18_e1179dabb7439761773b36eb8fc0a455_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 2484 wrote to memory of 3012	2484	2024-04-18_e1179dabb7439761773b36eb8fc0a455_cryptolocker.exe	28
PID 2484 wrote to memory of 3012	2484	2024-04-18_e1179dabb7439761773b36eb8fc0a455_cryptolocker.exe	28
PID 2484 wrote to memory of 3012	2484	2024-04-18_e1179dabb7439761773b36eb8fc0a455_cryptolocker.exe	28
PID 2484 wrote to memory of 3012	2484	2024-04-18_e1179dabb7439761773b36eb8fc0a455_cryptolocker.exe	28

C:\Users\Admin\AppData\Local\Temp\2024-04-18_e1179dabb7439761773b36eb8fc0a455_cryptolocker.exe
"C:\Users\Admin\AppData\Local\Temp\2024-04-18_e1179dabb7439761773b36eb8fc0a455_cryptolocker.exe"
1⤵
- Loads dropped DLL
- Suspicious use of WriteProcessMemory
PID:2484
- C:\Users\Admin\AppData\Local\Temp\hasfj.exe
  "C:\Users\Admin\AppData\Local\Temp\hasfj.exe"
  2⤵
  - Executes dropped EXE
  PID:3012

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\hasfj.exe

Filesize
39KB

MD5
94bfe95833707757bcff2527b8f59fde

SHA1
43942a8584cb9fc3a62f0c6694cf3daccca09a03

SHA256
68d133fe603e3625db5f7e5e0644600b63d12ea7d58a3ed570760bc3b4b68115

SHA512
0e70ca1a099c8ecf4b47d960380297e3c9cc866c2a485056c8c3e3ad87505e9f76369cdf6f9d1019903f320623dfe9b1a7d6fa70c81f4e61102919904c98553e

Download Submit
memory/2484-0-0x0000000000270000-0x0000000000276000-memory.dmp

Filesize
24KB

Download
memory/2484-1-0x0000000000290000-0x0000000000296000-memory.dmp

Filesize
24KB

Download
memory/2484-2-0x0000000000270000-0x0000000000276000-memory.dmp

Filesize
24KB

Download
memory/3012-15-0x0000000001C20000-0x0000000001C26000-memory.dmp

Filesize
24KB

Download
memory/3012-18-0x0000000000290000-0x0000000000296000-memory.dmp

Filesize
24KB

Download