16008062b32766b48cb51e0fa00e93ad1e1fab0b97886006d2209698e804ca29

Analysis

max time kernel
150s
max time network
152s
platform
windows10-2004_x64
resource
win10v2004-20240802-en
resource tags

arch:x64arch:x86image:win10v2004-20240802-enlocale:en-usos:windows10-2004-x64system
submitted
02-10-2024 10:41

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General

Target

2024-10-02_097d5683686537687364c3587e1e86ff_cryptolocker.exe
Size

44KB
MD5

097d5683686537687364c3587e1e86ff
SHA1

24c67f5ad7b64c4efd35a6f57c1b62e4d671ff8e
SHA256

16008062b32766b48cb51e0fa00e93ad1e1fab0b97886006d2209698e804ca29
SHA512

a2af7df959c0d3c7a2e38db683d7b68a76ebca13463234f0023bdc693fb222ebd50c9a5d45ef1fa151df9efaf1a02ab59a7d71db907c777310c50fbbcc0321e2
SSDEEP

768:bCDOw9UiaKHfjnD0S16avdrQFiLjJvtAqjrA:bCDOw9aMDooc+vAqj8

Score

7^/10

discovery

Malware Config

Signatures

Checks computer location settings 2 TTPs 1 IoCs

Looks up country code configured in the registry, likely geofence.

Query Registry

T1012

System Information Discovery

T1082

description	ioc	Process
Key value queried	\REGISTRY\USER\S-1-5-21-355097885-2402257403-2971294179-1000\Control Panel\International\Geo\Nation	2024-10-02_097d5683686537687364c3587e1e86ff_cryptolocker.exe

Executes dropped EXE 1 IoCs

pid	Process
3824	lossy.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	2024-10-02_097d5683686537687364c3587e1e86ff_cryptolocker.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	lossy.exe

Suspicious use of WriteProcessMemory 3 IoCs

description	pid	Process	procid_target
PID 4676 wrote to memory of 3824	4676	2024-10-02_097d5683686537687364c3587e1e86ff_cryptolocker.exe	82
PID 4676 wrote to memory of 3824	4676	2024-10-02_097d5683686537687364c3587e1e86ff_cryptolocker.exe	82
PID 4676 wrote to memory of 3824	4676	2024-10-02_097d5683686537687364c3587e1e86ff_cryptolocker.exe	82

C:\Users\Admin\AppData\Local\Temp\2024-10-02_097d5683686537687364c3587e1e86ff_cryptolocker.exe
"C:\Users\Admin\AppData\Local\Temp\2024-10-02_097d5683686537687364c3587e1e86ff_cryptolocker.exe"
1⤵
- Checks computer location settings
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:4676
- 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:3824

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Credential Access

Discovery

Query Registry

T1012

System Information Discovery

T1082

System Location Discovery

T1614

System Language Discovery

T1614.001

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

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Downloads

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

Filesize
44KB

MD5
9e6fdff683ce7abcd5bc49c9597cc6c5

SHA1
b159498e52d9a04bf3263069961cb92210a5e700

SHA256
f651bd8465f2319271c860ce4222f632198fb7c35dd34a4f733c558c80a934c0

SHA512
3e7979ef6c40dc131c79fdd7d80f96d38236c4d9cc50996a0d84123f92626ef2cfdbcab532e068541a1df044480cecd301da626448abaa2ccc2a91035f5e110e

Download Submit
memory/3824-19-0x00000000020E0000-0x00000000020E6000-memory.dmp

Filesize
24KB

Download
memory/3824-25-0x00000000021C0000-0x00000000021C6000-memory.dmp

Filesize
24KB

Download
memory/3824-26-0x0000000008000000-0x000000000800A000-memory.dmp

Filesize
40KB

Download
memory/4676-0-0x0000000008000000-0x000000000800A000-memory.dmp

Filesize
40KB

Download
memory/4676-1-0x0000000000500000-0x0000000000506000-memory.dmp

Filesize
24KB

Download
memory/4676-2-0x0000000000500000-0x0000000000506000-memory.dmp

Filesize
24KB

Download
memory/4676-3-0x0000000000530000-0x0000000000536000-memory.dmp

Filesize
24KB

Download
memory/4676-17-0x0000000008000000-0x000000000800A000-memory.dmp

Filesize
40KB

Download