bfc1ad96bc14b1507a8ce408711f28dd0e6e35aaed008797c3d6f8ba625d23a7

Analysis

max time kernel
150s
max time network
150s
platform
windows7_x64
resource
win7-20240708-en
resource tags

arch:x64arch:x86image:win7-20240708-enlocale:en-usos:windows7-x64system
submitted
18-10-2024 00:04

Sharing

Copy URL

Twitter E-mail

Report Analysis Logs

General

Target

2024-10-17_d38cf940e05f696d1196e4b483423734_cryptolocker.exe
Size

50KB
MD5

d38cf940e05f696d1196e4b483423734
SHA1

268ebc328270b979f341ac4c111c4eb5e46dc359
SHA256

bfc1ad96bc14b1507a8ce408711f28dd0e6e35aaed008797c3d6f8ba625d23a7
SHA512

556032045de54180c9510f2f0857300641590f04bc941eeaa459f3512e35579a3fac75fe8e4a02ca3ef87bbbf19436bfd1a786fa51c6c7c2addc6fef289c06fc
SSDEEP

768:bIDOw9UiaCHfjnE0Sfa7ilR0p9u6p4ICNBCXK9Xbb6Q:bIDOw9a0DwitDZzcP6Q

Score

7^/10

discovery

Malware Config

Signatures

Executes dropped EXE 1 IoCs

pid	Process
2784	lossy.exe

Loads dropped DLL 1 IoCs

pid	Process
1976	2024-10-17_d38cf940e05f696d1196e4b483423734_cryptolocker.exe

Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s).

System Information Discovery
T1082

System Location Discovery: System Language Discovery 1 TTPs 2 IoCs

Attempt gather information about the system language of a victim in order to infer the geographical location of that host.

discovery

System Language Discovery

T1614.001

description	ioc	Process
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	2024-10-17_d38cf940e05f696d1196e4b483423734_cryptolocker.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	lossy.exe

Suspicious use of WriteProcessMemory 4 IoCs

description	pid	Process	procid_target
PID 1976 wrote to memory of 2784	1976	2024-10-17_d38cf940e05f696d1196e4b483423734_cryptolocker.exe	30
PID 1976 wrote to memory of 2784	1976	2024-10-17_d38cf940e05f696d1196e4b483423734_cryptolocker.exe	30
PID 1976 wrote to memory of 2784	1976	2024-10-17_d38cf940e05f696d1196e4b483423734_cryptolocker.exe	30
PID 1976 wrote to memory of 2784	1976	2024-10-17_d38cf940e05f696d1196e4b483423734_cryptolocker.exe	30

C:\Users\Admin\AppData\Local\Temp\2024-10-17_d38cf940e05f696d1196e4b483423734_cryptolocker.exe
"C:\Users\Admin\AppData\Local\Temp\2024-10-17_d38cf940e05f696d1196e4b483423734_cryptolocker.exe"
1⤵
- Loads dropped DLL
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:1976
- C:\Users\Admin\AppData\Local\Temp\lossy.exe
  "C:\Users\Admin\AppData\Local\Temp\lossy.exe"
  2⤵
  - Executes dropped EXE
  - System Location Discovery: System Language Discovery
  PID:2784

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Credential Access

Discovery

System Information Discovery

T1082

System Location Discovery

T1614

System Language Discovery

T1614.001

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

Replay Monitor

Loading Replay Monitor...

Downloads

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

Filesize
50KB

MD5
5cdd42d96fc687304042ecc7de74e547

SHA1
6367e3606bda6d63a9e159c138b794e227b68073

SHA256
418882e6800672c94009ae088be0b6237e591ea7487cecb0fc2be0d4af50e17c

SHA512
4f825f5ec0bd519d89e8be60bb11ae8bfa695c6089dc83fd592c3156a1ea37161fad6868e4ab6dda88543cd5dd6ca05f85f5d2cec8bc88932e27e796ec2a693e

Download Submit
memory/1976-0-0x00000000001D0000-0x00000000001D6000-memory.dmp

Filesize
24KB

Download
memory/1976-2-0x0000000000290000-0x0000000000296000-memory.dmp

Filesize
24KB

Download
memory/1976-1-0x00000000001D0000-0x00000000001D6000-memory.dmp

Filesize
24KB

Download
memory/2784-15-0x0000000000280000-0x0000000000286000-memory.dmp

Filesize
24KB

Download
memory/2784-16-0x00000000003C0000-0x00000000003C6000-memory.dmp

Filesize
24KB

Download