74727e4a12ea52cb8fa9aaa87ba8fdbdb2bdc0e3ba6611f4e415ec41c5120cfb

Analysis

max time kernel
149s
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
08/10/2024, 23:50

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General

Target

2024-09-12_1c4976bb03e12bc3020b207e8b35c4f6_cryptolocker.exe
Size

47KB
MD5

1c4976bb03e12bc3020b207e8b35c4f6
SHA1

d51fc270c0b4646f62a0f50d9b5e579de7787d86
SHA256

74727e4a12ea52cb8fa9aaa87ba8fdbdb2bdc0e3ba6611f4e415ec41c5120cfb
SHA512

5a2b67270ae9c985ab0e23ad222a88d65906a432b1c6fd157c91eb74b10ba37f6c5d8fc9148d528f3fcca9438b7b3ad781be3072c509387339492f8ea0fe436f
SSDEEP

768:V6LsoEEeegiZPvEhHSG+gDYQtOOtEvwDpj/MLaHaMMm2X3dXu4:V6QFElP6n+gMQMOtEvwDpjyaHaXrl

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	2024-09-12_1c4976bb03e12bc3020b207e8b35c4f6_cryptolocker.exe

Executes dropped EXE 1 IoCs

pid	Process
4272	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	2024-09-12_1c4976bb03e12bc3020b207e8b35c4f6_cryptolocker.exe

Suspicious use of WriteProcessMemory 3 IoCs

description	pid	Process	procid_target
PID 3620 wrote to memory of 4272	3620	2024-09-12_1c4976bb03e12bc3020b207e8b35c4f6_cryptolocker.exe	86
PID 3620 wrote to memory of 4272	3620	2024-09-12_1c4976bb03e12bc3020b207e8b35c4f6_cryptolocker.exe	86
PID 3620 wrote to memory of 4272	3620	2024-09-12_1c4976bb03e12bc3020b207e8b35c4f6_cryptolocker.exe	86

C:\Users\Admin\AppData\Local\Temp\2024-09-12_1c4976bb03e12bc3020b207e8b35c4f6_cryptolocker.exe
"C:\Users\Admin\AppData\Local\Temp\2024-09-12_1c4976bb03e12bc3020b207e8b35c4f6_cryptolocker.exe"
1⤵
- Checks computer location settings
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:3620
- 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:4272

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
47KB

MD5
d319e58936d68067dcd6224a52340004

SHA1
c483ff761957cb4d2ecd8ff51790444d56018ab9

SHA256
d2a0981ab5fe68f1fe8d47abfd7e3cdebef6bb574b31212983d88e099adc62f1

SHA512
3aa3fd6507e00b069c0e933a905fd18761e7d40c0762ecc27eca9da04dd31dff0d8fcaa88e9f381ac010532720d4be9c6ed0f9d69d989e5462bfc4f8825353c1

Download Submit
memory/3620-0-0x0000000000660000-0x0000000000666000-memory.dmp

Filesize
24KB

Download
memory/3620-1-0x0000000000660000-0x0000000000666000-memory.dmp

Filesize
24KB

Download
memory/3620-2-0x00000000007D0000-0x00000000007D6000-memory.dmp

Filesize
24KB

Download
memory/4272-17-0x00000000004F0000-0x00000000004F6000-memory.dmp

Filesize
24KB

Download
memory/4272-23-0x00000000004D0000-0x00000000004D6000-memory.dmp

Filesize
24KB

Download