ba387a97d11b2ab2ef9dacaa70ae3e010e3a6dd19be7cf0b6b6d3f0fd2b23dfb

Analysis

max time kernel
148s
max time network
153s
platform
windows10-2004_x64
resource
win10v2004-20241007-en
resource tags

arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-x64system
submitted
20/11/2024, 03:23

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General

Target

2024-11-20_1fabb539a617e2c8f804056f83222afa_cryptolocker.exe
Size

45KB
MD5

1fabb539a617e2c8f804056f83222afa
SHA1

42c2759e9f2c0a16fe8123a3913e5cd8866ff5e7
SHA256

ba387a97d11b2ab2ef9dacaa70ae3e010e3a6dd19be7cf0b6b6d3f0fd2b23dfb
SHA512

bb71ba6e297814fc5e056adbc7a3f5372f304435580b8feed3befe795d05f24b59b77a594937d714b5c20aee2d1a68bc8c8a68394622ea66af0e87ce721126db
SSDEEP

768:X6LsoEEeegiZPvEhHSG+gp/QtOOtEvwDpjBVaD3TP7DFHuRcD9HkdfS:X6QFElP6n+gJQMOtEvwDpjBmzDkWDt9

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-1-5-21-940901362-3608833189-1915618603-1000\Control Panel\International\Geo\Nation	2024-11-20_1fabb539a617e2c8f804056f83222afa_cryptolocker.exe

Executes dropped EXE 1 IoCs

pid	Process
3488	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	2024-11-20_1fabb539a617e2c8f804056f83222afa_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 2348 wrote to memory of 3488	2348	2024-11-20_1fabb539a617e2c8f804056f83222afa_cryptolocker.exe	83
PID 2348 wrote to memory of 3488	2348	2024-11-20_1fabb539a617e2c8f804056f83222afa_cryptolocker.exe	83
PID 2348 wrote to memory of 3488	2348	2024-11-20_1fabb539a617e2c8f804056f83222afa_cryptolocker.exe	83

C:\Users\Admin\AppData\Local\Temp\2024-11-20_1fabb539a617e2c8f804056f83222afa_cryptolocker.exe
"C:\Users\Admin\AppData\Local\Temp\2024-11-20_1fabb539a617e2c8f804056f83222afa_cryptolocker.exe"
1⤵
- Checks computer location settings
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:2348
- 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:3488

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
46KB

MD5
a684e44957b3ead05886c712bff77d04

SHA1
c360824401b2f9bffbfd5f946964fb1c8db2e5db

SHA256
d08c5d0cbc358d205f3044459df0758ce6d7c95c758e3c398cf930912abe6fd2

SHA512
f640c55d4350c12a74d4410f1f113f98f1addfd4dab40a6f60d681d29bf2407068a4b4ca2ae9893c84ae010770df1551bb672a0ad30c855ffe13026375337c15

Download Submit
memory/2348-0-0x0000000002190000-0x0000000002196000-memory.dmp

Filesize
24KB

Download
memory/2348-1-0x0000000002190000-0x0000000002196000-memory.dmp

Filesize
24KB

Download
memory/2348-2-0x00000000021C0000-0x00000000021C6000-memory.dmp

Filesize
24KB

Download
memory/3488-17-0x00000000006D0000-0x00000000006D6000-memory.dmp

Filesize
24KB

Download
memory/3488-23-0x00000000006B0000-0x00000000006B6000-memory.dmp

Filesize
24KB

Download