37fdaa5e61a5ec050becc83d126dc7fbc3452fbc3b69c882caa732bda5a7f130

Analysis

max time kernel
148s
max time network
150s
platform
windows10-2004_x64
resource
win10v2004-20240802-en
resource tags

arch:x64arch:x86image:win10v2004-20240802-enlocale:en-usos:windows10-2004-x64system
submitted
27/09/2024, 16:33

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General

Target

2024-09-27_e4f8bcb7f7707e3b6e1245bb1dca5056_cryptolocker.exe
Size

34KB
MD5

e4f8bcb7f7707e3b6e1245bb1dca5056
SHA1

1b417fecae7514cdc2b88fa93a14463ab4806785
SHA256

37fdaa5e61a5ec050becc83d126dc7fbc3452fbc3b69c882caa732bda5a7f130
SHA512

12338a83c30ab0fdac925185d3aef433cdeddb9b8edcbe0be10d208c06d8948cc45209d42e62c8c3517459cb4209bcd8c2b31f9dbe057f48fdef2d35839195c2
SSDEEP

768:X6LsoEEeegiZPvEhHSG+gp/QtOOtEvwDpjBVaD36eD:X6QFElP6n+gJQMOtEvwDpjBcD

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-1-5-21-2718105630-359604950-2820636825-1000\Control Panel\International\Geo\Nation	2024-09-27_e4f8bcb7f7707e3b6e1245bb1dca5056_cryptolocker.exe

Executes dropped EXE 1 IoCs

pid	Process
536	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	2024-09-27_e4f8bcb7f7707e3b6e1245bb1dca5056_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 384 wrote to memory of 536	384	2024-09-27_e4f8bcb7f7707e3b6e1245bb1dca5056_cryptolocker.exe	81
PID 384 wrote to memory of 536	384	2024-09-27_e4f8bcb7f7707e3b6e1245bb1dca5056_cryptolocker.exe	81
PID 384 wrote to memory of 536	384	2024-09-27_e4f8bcb7f7707e3b6e1245bb1dca5056_cryptolocker.exe	81

C:\Users\Admin\AppData\Local\Temp\2024-09-27_e4f8bcb7f7707e3b6e1245bb1dca5056_cryptolocker.exe
"C:\Users\Admin\AppData\Local\Temp\2024-09-27_e4f8bcb7f7707e3b6e1245bb1dca5056_cryptolocker.exe"
1⤵
- Checks computer location settings
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:384
- 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:536

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
34KB

MD5
0818e5a2604f35ab3ee00fc36eac8b1c

SHA1
f58fd3388addc5711f70ae49a12c1f72917ed01c

SHA256
d6ab0f135632661c7e763c50a95511c830be5c0e6f2d596015a57c18da949298

SHA512
206b2bb7cf008ef77116c3d17280f0cd0340a668380d84c77a65b4c2c0fdddc786b3862c19942afed2537ff73308862d3d5a2abe4f64cd62f6ec44264fab415f

Download Submit
memory/384-0-0x00000000006F0000-0x00000000006F6000-memory.dmp

Filesize
24KB

Download
memory/384-1-0x00000000006F0000-0x00000000006F6000-memory.dmp

Filesize
24KB

Download
memory/384-2-0x0000000000710000-0x0000000000716000-memory.dmp

Filesize
24KB

Download
memory/536-17-0x00000000004C0000-0x00000000004C6000-memory.dmp

Filesize
24KB

Download
memory/536-18-0x00000000004E0000-0x00000000004E6000-memory.dmp

Filesize
24KB

Download