c2143c83c128ddc80571a500ded413506d33b35ec9eca46b6c108c58aa46c69b

Analysis

max time kernel
148s
max time network
149s
platform
windows10-2004_x64
resource
win10v2004-20240802-en
resource tags

arch:x64arch:x86image:win10v2004-20240802-enlocale:en-usos:windows10-2004-x64system
submitted
30-09-2024 03:33

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General

Target

2024-09-30_971c341966b853d7e6c8f471b4988710_cryptolocker.exe
Size

64KB
MD5

971c341966b853d7e6c8f471b4988710
SHA1

14955e37f913babb1b0de750ba48282f16c1e318
SHA256

c2143c83c128ddc80571a500ded413506d33b35ec9eca46b6c108c58aa46c69b
SHA512

739b607e8ac5d41648564dd53596f9877556000068e243c72c2573672e9df386d30fedd00599696f11d8af1ff58ea3b6ae0263a896d51e1bf3a924e34a957c6c
SSDEEP

1536:X6QFElP6n+gJQMOtEvwDpjBccD2RuoNmuBLZ/xblzopO:X6a+SOtEvwDpjBrOV

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-1-5-21-2412658365-3084825385-3340777666-1000\Control Panel\International\Geo\Nation	2024-09-30_971c341966b853d7e6c8f471b4988710_cryptolocker.exe

Executes dropped EXE 1 IoCs

pid	Process
4504	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	2024-09-30_971c341966b853d7e6c8f471b4988710_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 1448 wrote to memory of 4504	1448	2024-09-30_971c341966b853d7e6c8f471b4988710_cryptolocker.exe	84
PID 1448 wrote to memory of 4504	1448	2024-09-30_971c341966b853d7e6c8f471b4988710_cryptolocker.exe	84
PID 1448 wrote to memory of 4504	1448	2024-09-30_971c341966b853d7e6c8f471b4988710_cryptolocker.exe	84

C:\Users\Admin\AppData\Local\Temp\2024-09-30_971c341966b853d7e6c8f471b4988710_cryptolocker.exe
"C:\Users\Admin\AppData\Local\Temp\2024-09-30_971c341966b853d7e6c8f471b4988710_cryptolocker.exe"
1⤵
- Checks computer location settings
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:1448
- 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:4504

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

Replay Monitor

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Downloads

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

Filesize
64KB

MD5
33087ef17f7a59bdb969c8df21961897

SHA1
4ca1676b6342abcb8c487eb7aaf169843c7e2faa

SHA256
2a4d36f56b73cfe5edf85614f0c2a6f9c52c6a5c25e4d418d6b1a1685542ba11

SHA512
888dc5284279ab18b1cdc8368e12e149706e2eefbf6f9cf0a6cdaede3f102fd7bb2f1c9a65ae82e1bec4402b228add22e79b5945858d152572eb185f6c46b112

Download Submit
memory/1448-0-0x00000000005F0000-0x00000000005F6000-memory.dmp

Filesize
24KB

Download
memory/1448-1-0x00000000005F0000-0x00000000005F6000-memory.dmp

Filesize
24KB

Download
memory/1448-2-0x0000000000610000-0x0000000000616000-memory.dmp

Filesize
24KB

Download
memory/4504-23-0x00000000004D0000-0x00000000004D6000-memory.dmp

Filesize
24KB

Download
memory/4504-17-0x0000000000660000-0x0000000000666000-memory.dmp

Filesize
24KB

Download