f4e3f7e79067fdf0937c76ef833809a1d40e9b0f5e291a6a7e16390b685ce382

Analysis

max time kernel
150s
max time network
150s
platform
windows7_x64
resource
win7-20240903-en
resource tags

arch:x64arch:x86image:win7-20240903-enlocale:en-usos:windows7-x64system
submitted
18/10/2024, 09:48

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General

Target

2024-10-18_10ecf04e374f0cb303acbd67aebea9e1_cryptolocker.exe
Size

44KB
MD5

10ecf04e374f0cb303acbd67aebea9e1
SHA1

fbfb3ea2faee56249300e1d3be912813dd8cd506
SHA256

f4e3f7e79067fdf0937c76ef833809a1d40e9b0f5e291a6a7e16390b685ce382
SHA512

d025a61e37128e502a5f598fa5336776f4dbb2214d7977cb475973fb68a7db45b2d6345fe04176fd293cf9e6b71a8a4032ebe959987fb759924d589f1fccf1d2
SSDEEP

768:bCDOw9UiaKHfjnD0S16avdrQFiLjJvtAqjry:bCDOw9aMDooc+vAqj2

Score

7^/10

discovery

Malware Config

Signatures

Executes dropped EXE 1 IoCs

pid	Process
836	lossy.exe

Loads dropped DLL 1 IoCs

pid	Process
2516	2024-10-18_10ecf04e374f0cb303acbd67aebea9e1_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	2024-10-18_10ecf04e374f0cb303acbd67aebea9e1_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 2516 wrote to memory of 836	2516	2024-10-18_10ecf04e374f0cb303acbd67aebea9e1_cryptolocker.exe	30
PID 2516 wrote to memory of 836	2516	2024-10-18_10ecf04e374f0cb303acbd67aebea9e1_cryptolocker.exe	30
PID 2516 wrote to memory of 836	2516	2024-10-18_10ecf04e374f0cb303acbd67aebea9e1_cryptolocker.exe	30
PID 2516 wrote to memory of 836	2516	2024-10-18_10ecf04e374f0cb303acbd67aebea9e1_cryptolocker.exe	30

C:\Users\Admin\AppData\Local\Temp\2024-10-18_10ecf04e374f0cb303acbd67aebea9e1_cryptolocker.exe
"C:\Users\Admin\AppData\Local\Temp\2024-10-18_10ecf04e374f0cb303acbd67aebea9e1_cryptolocker.exe"
1⤵
- Loads dropped DLL
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:2516
- 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:836

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

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Downloads

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

Filesize
44KB

MD5
47bb5f7395f9eea77682650d2963d359

SHA1
1b683316893f886e0a2029c53b073f82f5aaec37

SHA256
ca6b04fd37b22b2f03bd84c7f9e50a38c9fa0d8db1efb5aad52a9c8d1c91dbd6

SHA512
2a816eab835d902c2f94410bd074464781a5a9c422b1315c11ba23f928155202e9325e1034580422295b03719f14ae374d56549a667fb0294e084d78bfa7f242

Download Submit
memory/836-16-0x0000000008000000-0x000000000800A000-memory.dmp

Filesize
40KB

Download
memory/836-18-0x00000000002C0000-0x00000000002C6000-memory.dmp

Filesize
24KB

Download
memory/836-19-0x0000000000470000-0x0000000000476000-memory.dmp

Filesize
24KB

Download
memory/836-26-0x0000000008000000-0x000000000800A000-memory.dmp

Filesize
40KB

Download
memory/2516-0-0x0000000008000000-0x000000000800A000-memory.dmp

Filesize
40KB

Download
memory/2516-1-0x0000000000240000-0x0000000000246000-memory.dmp

Filesize
24KB

Download
memory/2516-2-0x0000000000280000-0x0000000000286000-memory.dmp

Filesize
24KB

Download
memory/2516-9-0x0000000000240000-0x0000000000246000-memory.dmp

Filesize
24KB

Download
memory/2516-14-0x0000000008000000-0x000000000800A000-memory.dmp

Filesize
40KB

Download