340c5e099bdaeb4d5a1b2492008484f93cb4bdec10d3337fc8585f7ca41b101d

Analysis

max time kernel
150s
max time network
154s
platform
windows10-2004_x64
resource
win10v2004-20241007-en
resource tags

arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-x64system
submitted
31-10-2024 08:27

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General

Target

2024-10-31_740e6a2bf31fb9fe9cca1e12973c8b31_cryptolocker.exe
Size

87KB
MD5

740e6a2bf31fb9fe9cca1e12973c8b31
SHA1

602f040fa1822387789c4f60fb46d974e3e87d05
SHA256

340c5e099bdaeb4d5a1b2492008484f93cb4bdec10d3337fc8585f7ca41b101d
SHA512

7e495f19085b9b8f74aa0aed832078a42ccdd85b4edff361a76e60b3dae11f0b373652cb8078ed17571e7022d53123a8b334d2f1eba5afabff1689e65e6e25a6
SSDEEP

1536:V6QFElP6n+gMQMOtEvwDpjyaLccVNl6ageD:V6a+pOtEvwDpjvpP

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-1-5-21-1045960512-3948844814-3059691613-1000\Control Panel\International\Geo\Nation	2024-10-31_740e6a2bf31fb9fe9cca1e12973c8b31_cryptolocker.exe

Executes dropped EXE 1 IoCs

pid	Process
756	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	asih.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	2024-10-31_740e6a2bf31fb9fe9cca1e12973c8b31_cryptolocker.exe

Suspicious use of WriteProcessMemory 3 IoCs

description	pid	Process	procid_target
PID 5100 wrote to memory of 756	5100	2024-10-31_740e6a2bf31fb9fe9cca1e12973c8b31_cryptolocker.exe	86
PID 5100 wrote to memory of 756	5100	2024-10-31_740e6a2bf31fb9fe9cca1e12973c8b31_cryptolocker.exe	86
PID 5100 wrote to memory of 756	5100	2024-10-31_740e6a2bf31fb9fe9cca1e12973c8b31_cryptolocker.exe	86

C:\Users\Admin\AppData\Local\Temp\2024-10-31_740e6a2bf31fb9fe9cca1e12973c8b31_cryptolocker.exe
"C:\Users\Admin\AppData\Local\Temp\2024-10-31_740e6a2bf31fb9fe9cca1e12973c8b31_cryptolocker.exe"
1⤵
- Checks computer location settings
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:5100
- 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:756

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
87KB

MD5
fdc22b028e15af8f57ddf0d7e1748638

SHA1
79601352e22781101fd3aa38cd0f66b234ad204e

SHA256
b4134a166e1fd30892d31c050b5ceebb606020d2cca325d2cde60e73dee7716a

SHA512
c50870ba6d996cb4ba8c14c9c916479ac12629aac9c81449cd487b328a51f33aab216db1f9a498161d92fcbc5e833f1b356251ea454bee85954ab74f5cfbb1b1

Download Submit
memory/756-17-0x00000000021E0000-0x00000000021E6000-memory.dmp

Filesize
24KB

Download
memory/756-18-0x0000000002080000-0x0000000002086000-memory.dmp

Filesize
24KB

Download
memory/5100-0-0x00000000020D0000-0x00000000020D6000-memory.dmp

Filesize
24KB

Download
memory/5100-1-0x00000000020D0000-0x00000000020D6000-memory.dmp

Filesize
24KB

Download
memory/5100-2-0x00000000020F0000-0x00000000020F6000-memory.dmp

Filesize
24KB

Download