a9b7791b091bd258b23e83fa966558b4104ba2f98739e2a453a7962631511956

Analysis

max time kernel
148s
max time network
155s
platform
windows10-2004_x64
resource
win10v2004-20241007-en
resource tags

arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-x64system
submitted
15/10/2024, 03:52

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General

Target

2024-10-15_c27cf6206965a33d1c17664a55d7a29a_cryptolocker.exe
Size

47KB
MD5

c27cf6206965a33d1c17664a55d7a29a
SHA1

26fd72c9912e3a13bdc4e7c2579780dd9170a2e9
SHA256

a9b7791b091bd258b23e83fa966558b4104ba2f98739e2a453a7962631511956
SHA512

72e2a7bd6ed78d44268e28d784c94fcad4d2185645bfd7ce03996730e52f5cbc0f6d5766f10da4bc49cd8b829ab3c6f7027c51497a49ec238b88da5b488ce52f
SSDEEP

768:P6LsoEEeegiZPvEhHS5+Mh/QtOOtEvwDpjBpaD3TUogs/VXpAPlADc:P6QFElP6k+MRQMOtEvwDpjBQpVX8A4

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-1-5-21-3350944739-639801879-157714471-1000\Control Panel\International\Geo\Nation	2024-10-15_c27cf6206965a33d1c17664a55d7a29a_cryptolocker.exe

Executes dropped EXE 1 IoCs

pid	Process
968	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	2024-10-15_c27cf6206965a33d1c17664a55d7a29a_cryptolocker.exe

Suspicious use of WriteProcessMemory 3 IoCs

description	pid	Process	procid_target
PID 2244 wrote to memory of 968	2244	2024-10-15_c27cf6206965a33d1c17664a55d7a29a_cryptolocker.exe	86
PID 2244 wrote to memory of 968	2244	2024-10-15_c27cf6206965a33d1c17664a55d7a29a_cryptolocker.exe	86
PID 2244 wrote to memory of 968	2244	2024-10-15_c27cf6206965a33d1c17664a55d7a29a_cryptolocker.exe	86

C:\Users\Admin\AppData\Local\Temp\2024-10-15_c27cf6206965a33d1c17664a55d7a29a_cryptolocker.exe
"C:\Users\Admin\AppData\Local\Temp\2024-10-15_c27cf6206965a33d1c17664a55d7a29a_cryptolocker.exe"
1⤵
- Checks computer location settings
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:2244
- 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:968

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

Replay Monitor

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Downloads

C:\Users\Admin\AppData\Local\Temp\asih.exe

Filesize
47KB

MD5
67e3fef9ab14a17fe5fe6bfa314287f8

SHA1
fc5a17d893bd82ee9a715349c759bbad78b52fb8

SHA256
1c1e507434e47d95eb052ed629d0864ef464fd0d377079ed19ad4a01ade661d5

SHA512
a9269a6ccf106456f6c3dfcbd5175aecd058cfd363673eaea97da7b4de2d66b0b3467e18c4961d59e9d9ec469b1a3f32c1aaa29f2858b4a27ac17e662d29bd61

Download Submit
memory/968-19-0x00000000005A0000-0x00000000005A6000-memory.dmp

Filesize
24KB

Download
memory/968-20-0x00000000005D0000-0x00000000005D6000-memory.dmp

Filesize
24KB

Download
memory/968-26-0x0000000000500000-0x000000000050B000-memory.dmp

Filesize
44KB

Download
memory/2244-0-0x0000000000500000-0x000000000050B000-memory.dmp

Filesize
44KB

Download
memory/2244-1-0x00000000006A0000-0x00000000006A6000-memory.dmp

Filesize
24KB

Download
memory/2244-2-0x00000000006A0000-0x00000000006A6000-memory.dmp

Filesize
24KB

Download
memory/2244-3-0x00000000007D0000-0x00000000007D6000-memory.dmp

Filesize
24KB

Download
memory/2244-17-0x0000000000500000-0x000000000050B000-memory.dmp

Filesize
44KB

Download