ae145abdcd12cb674012185771cc3d413e64d2e3fde960c2977b65f9a8b14897

Analysis

max time kernel
148s
max time network
151s
platform
windows10-2004_x64
resource
win10v2004-20241007-en
resource tags

arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-x64system
submitted
17/10/2024, 22:27

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General

Target

2024-10-17_48c26567da7a1d05e6b7f6aa0896c474_cryptolocker.exe
Size

29KB
MD5

48c26567da7a1d05e6b7f6aa0896c474
SHA1

ef38d4f9883fdec80881eb57672e99cb0119cc80
SHA256

ae145abdcd12cb674012185771cc3d413e64d2e3fde960c2977b65f9a8b14897
SHA512

76b93cc4409612475eb3a4084d7462dfb0ad9c3224e02c9c8500d5542b2c2cd41dc98af583453fc295699f5690bb7d62001051815be6a9ff65c51e689e9d9590
SSDEEP

768:q0ZziOWwULueOSdE8tOOtEvwDpjeWaJIO/xX:q0zizzOSxMOtEvwDpj/ar5

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-1-5-21-2878641211-696417878-3864914810-1000\Control Panel\International\Geo\Nation	2024-10-17_48c26567da7a1d05e6b7f6aa0896c474_cryptolocker.exe

Executes dropped EXE 1 IoCs

pid	Process
1048	asih.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_48c26567da7a1d05e6b7f6aa0896c474_cryptolocker.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	asih.exe

Suspicious use of WriteProcessMemory 3 IoCs

description	pid	Process	procid_target
PID 3324 wrote to memory of 1048	3324	2024-10-17_48c26567da7a1d05e6b7f6aa0896c474_cryptolocker.exe	84
PID 3324 wrote to memory of 1048	3324	2024-10-17_48c26567da7a1d05e6b7f6aa0896c474_cryptolocker.exe	84
PID 3324 wrote to memory of 1048	3324	2024-10-17_48c26567da7a1d05e6b7f6aa0896c474_cryptolocker.exe	84

C:\Users\Admin\AppData\Local\Temp\2024-10-17_48c26567da7a1d05e6b7f6aa0896c474_cryptolocker.exe
"C:\Users\Admin\AppData\Local\Temp\2024-10-17_48c26567da7a1d05e6b7f6aa0896c474_cryptolocker.exe"
1⤵
- Checks computer location settings
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:3324
- C:\Users\Admin\AppData\Local\Temp\asih.exe
  "C:\Users\Admin\AppData\Local\Temp\asih.exe"
  2⤵
  - Executes dropped EXE
  - System Location Discovery: System Language Discovery
  PID:1048

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\asih.exe

Filesize
29KB

MD5
e61465daae70773c09d1fb9ae08fceb8

SHA1
452aa0794a87cc049ae1c7952897dcccb5c88040

SHA256
7c8e350d2de6bc82193a576e8e2261a2d91442fb78c82fb88635a51427b5761c

SHA512
879ca95deec2017e4d62704eb01f5b571e407bf836c6ec32b77fe86d6242b5cefff6481b849ca97fc6e66344d6d858d26e9f8f64a46bff338a690300dd1e7c57

Download Submit
memory/1048-19-0x00000000020F0000-0x00000000020F6000-memory.dmp

Filesize
24KB

Download
memory/1048-25-0x00000000020D0000-0x00000000020D6000-memory.dmp

Filesize
24KB

Download
memory/1048-26-0x0000000000500000-0x0000000000510000-memory.dmp

Filesize
64KB

Download
memory/3324-0-0x0000000000500000-0x0000000000510000-memory.dmp

Filesize
64KB

Download
memory/3324-1-0x00000000004D0000-0x00000000004D6000-memory.dmp

Filesize
24KB

Download
memory/3324-2-0x00000000004D0000-0x00000000004D6000-memory.dmp

Filesize
24KB

Download
memory/3324-3-0x00000000005E0000-0x00000000005E6000-memory.dmp

Filesize
24KB

Download
memory/3324-17-0x0000000000500000-0x0000000000510000-memory.dmp

Filesize
64KB

Download