af591abef343424300d48bc9d980d47321ba381431d58b719bbb1a9df940698e

Analysis

max time kernel
148s
max time network
150s
platform
windows10-2004_x64
resource
win10v2004-20241007-en
resource tags

arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-x64system
submitted
13-10-2024 13:34

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General

Target

2024-10-13_375bdd254fed4641fcd1f5128419cf32_cryptolocker.exe
Size

31KB
MD5

375bdd254fed4641fcd1f5128419cf32
SHA1

2bea8e9736cfc2ac76197a68eb657b029f1fa59c
SHA256

af591abef343424300d48bc9d980d47321ba381431d58b719bbb1a9df940698e
SHA512

572e25808ce98223fe1d9617d13a3f6a2b664f81ef7c69b75c46046100a187bbda68a699ef299d6d6007ff79e900641ce0d0ce72eb729ed2dbb7580598b702ce
SSDEEP

768:X6LsoEEeegiZPvEhHSG+gp/QtOOtEvwDpjBjb1mm:X6QFElP6n+gJQMOtEvwDpjBnEm

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-1-5-21-4089630652-1596403869-279772308-1000\Control Panel\International\Geo\Nation	2024-10-13_375bdd254fed4641fcd1f5128419cf32_cryptolocker.exe

Executes dropped EXE 1 IoCs

pid	Process
764	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	2024-10-13_375bdd254fed4641fcd1f5128419cf32_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 4024 wrote to memory of 764	4024	2024-10-13_375bdd254fed4641fcd1f5128419cf32_cryptolocker.exe	86
PID 4024 wrote to memory of 764	4024	2024-10-13_375bdd254fed4641fcd1f5128419cf32_cryptolocker.exe	86
PID 4024 wrote to memory of 764	4024	2024-10-13_375bdd254fed4641fcd1f5128419cf32_cryptolocker.exe	86

C:\Users\Admin\AppData\Local\Temp\2024-10-13_375bdd254fed4641fcd1f5128419cf32_cryptolocker.exe
"C:\Users\Admin\AppData\Local\Temp\2024-10-13_375bdd254fed4641fcd1f5128419cf32_cryptolocker.exe"
1⤵
- Checks computer location settings
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:4024
- 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:764

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
31KB

MD5
d63bc9e00c900677e8c2dd8cf93b498f

SHA1
2b5fdcbeed72fb74664a537fe64f30ec49a72ca0

SHA256
248dfd73415fdc552b5e6fc2da6e19274290ad9ab6389971fb8beb0f2d401090

SHA512
d9152448fd13fac6dbaf6ee3a014b5382a18d143b4bf4b84f784c486c77d5685ca576fe36e667d5616ac27e1a229491af0a229fa76914ae89103370a630c961c

Download Submit
memory/764-23-0x00000000021E0000-0x00000000021E6000-memory.dmp

Filesize
24KB

Download
memory/764-17-0x0000000002080000-0x0000000002086000-memory.dmp

Filesize
24KB

Download
memory/4024-0-0x0000000002310000-0x0000000002316000-memory.dmp

Filesize
24KB

Download
memory/4024-1-0x0000000002310000-0x0000000002316000-memory.dmp

Filesize
24KB

Download
memory/4024-2-0x0000000002220000-0x0000000002226000-memory.dmp

Filesize
24KB

Download