1a07d36518f9de32a3b29c083e553e21f6b03b34201920480c8f9b820968a336

Analysis

max time kernel
149s
max time network
150s
platform
windows7_x64
resource
win7-20231129-en
resource tags

arch:x64arch:x86image:win7-20231129-enlocale:en-usos:windows7-x64system
submitted
07/03/2024, 18:56

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General

Target

2024-03-07_ae4ed7d2da881f0cd252ef93f4fdb6ed_cryptolocker.exe
Size

49KB
MD5

ae4ed7d2da881f0cd252ef93f4fdb6ed
SHA1

a7432564f9f332255da07763fe3d5e5281ad66de
SHA256

1a07d36518f9de32a3b29c083e553e21f6b03b34201920480c8f9b820968a336
SHA512

59139134df7bae3dde5707162691285a1bacc8310418f4fccab083b356b749a635600f4a692dec85749a80412ba5f8acd0640dae82feec109c1a051108ac4541
SSDEEP

768:bgX4zYcgTEu6QOaryfjqDlC6JFbK37Yl6dIKld5CSn:bgGYcA/53GAA6y37Q6dI+d5v

Score

9^/10

Malware Config

Signatures

Detection of CryptoLocker Variants 1 IoCs

resource	yara_rule
behavioral1/files/0x000a000000013a71-10.dat	CryptoLocker_rule2

Executes dropped EXE 1 IoCs

pid	Process
3060	hasfj.exe

Loads dropped DLL 1 IoCs

pid	Process
2360	2024-03-07_ae4ed7d2da881f0cd252ef93f4fdb6ed_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 2360 wrote to memory of 3060	2360	2024-03-07_ae4ed7d2da881f0cd252ef93f4fdb6ed_cryptolocker.exe	28
PID 2360 wrote to memory of 3060	2360	2024-03-07_ae4ed7d2da881f0cd252ef93f4fdb6ed_cryptolocker.exe	28
PID 2360 wrote to memory of 3060	2360	2024-03-07_ae4ed7d2da881f0cd252ef93f4fdb6ed_cryptolocker.exe	28
PID 2360 wrote to memory of 3060	2360	2024-03-07_ae4ed7d2da881f0cd252ef93f4fdb6ed_cryptolocker.exe	28

C:\Users\Admin\AppData\Local\Temp\2024-03-07_ae4ed7d2da881f0cd252ef93f4fdb6ed_cryptolocker.exe
"C:\Users\Admin\AppData\Local\Temp\2024-03-07_ae4ed7d2da881f0cd252ef93f4fdb6ed_cryptolocker.exe"
1⤵
- Loads dropped DLL
- Suspicious use of WriteProcessMemory
PID:2360
- C:\Users\Admin\AppData\Local\Temp\hasfj.exe
  "C:\Users\Admin\AppData\Local\Temp\hasfj.exe"
  2⤵
  - Executes dropped EXE
  PID:3060

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
49KB

MD5
662c242adf7899b48754724fd9523ec5

SHA1
f429b46b62322922eddc5dc78461bced5a8155a1

SHA256
d8f472c7bb7a15e20c512a76f7ab052dc337e2524d1def0102d07d002c38ec4f

SHA512
108cb70b956ebb0dcd470dad61fc4d42344f1e220a1596ac490c1859d760472c8a4cefc5b09da35a5993111348eeef09bb21895e6f983ba983c603635d9b7c19

Download Submit
memory/2360-0-0x0000000001CA0000-0x0000000001CA6000-memory.dmp

Filesize
24KB

Download
memory/2360-1-0x0000000001CB0000-0x0000000001CB6000-memory.dmp

Filesize
24KB

Download
memory/2360-8-0x0000000001CA0000-0x0000000001CA6000-memory.dmp

Filesize
24KB

Download
memory/3060-16-0x0000000000480000-0x0000000000486000-memory.dmp

Filesize
24KB

Download
memory/3060-15-0x0000000000470000-0x0000000000476000-memory.dmp

Filesize
24KB

Download