862779dfdf4d76451f046f431bdcda03969d25bc57b2f06a05871fb1347cea21

Analysis

max time kernel
148s
max time network
150s
platform
windows10-2004_x64
resource
win10v2004-20240802-en
resource tags

arch:x64arch:x86image:win10v2004-20240802-enlocale:en-usos:windows10-2004-x64system
submitted
29/08/2024, 08:41

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General

Target

2024-08-29_0b3a99a0048cbe9ead0658fed5b96a94_cryptolocker.exe
Size

55KB
MD5

0b3a99a0048cbe9ead0658fed5b96a94
SHA1

5b820e9b2454e544b31fbd308822a51d5f7fbc18
SHA256

862779dfdf4d76451f046f431bdcda03969d25bc57b2f06a05871fb1347cea21
SHA512

1b4fd48d104bea8ec5d2f7a8eb85cdd89abf01eb9cf2020afe2a49a52a929e6a36ff56f96c0733d5d433c1bba312d5bd9d00dc1f6ee6161c01b9cd2cd9e9ffe6
SSDEEP

768:X6LsoEEeegiZPvEhHSG+gp/BtOOtEvwDpjBVaD3E09vxmlcaTIJ4:X6QFElP6n+gJBMOtEvwDpjBtExml24

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-1-5-21-2412658365-3084825385-3340777666-1000\Control Panel\International\Geo\Nation	2024-08-29_0b3a99a0048cbe9ead0658fed5b96a94_cryptolocker.exe

Executes dropped EXE 1 IoCs

pid	Process
4860	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	2024-08-29_0b3a99a0048cbe9ead0658fed5b96a94_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 3224 wrote to memory of 4860	3224	2024-08-29_0b3a99a0048cbe9ead0658fed5b96a94_cryptolocker.exe	86
PID 3224 wrote to memory of 4860	3224	2024-08-29_0b3a99a0048cbe9ead0658fed5b96a94_cryptolocker.exe	86
PID 3224 wrote to memory of 4860	3224	2024-08-29_0b3a99a0048cbe9ead0658fed5b96a94_cryptolocker.exe	86

C:\Users\Admin\AppData\Local\Temp\2024-08-29_0b3a99a0048cbe9ead0658fed5b96a94_cryptolocker.exe
"C:\Users\Admin\AppData\Local\Temp\2024-08-29_0b3a99a0048cbe9ead0658fed5b96a94_cryptolocker.exe"
1⤵
- Checks computer location settings
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:3224
- 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:4860

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
55KB

MD5
69db7a989b3bafb688dd5785c4c9f7c7

SHA1
b7c8cc7417ca334be49bc04a6e9d3d3b8cc6c8e4

SHA256
74e7531e27933d67c1362e981ab8ef6413a5e6745700f13176bf17e6616335ac

SHA512
d62bef40d4a012e8fe08d2e8a284f90fcad42b782757891d2dfa04f99cdbd1e220a342c900d0a88d50e467313382c67f58bc4e6b032e96bd9163706281ad7271

Download Submit
memory/3224-1-0x00000000006A0000-0x00000000006A6000-memory.dmp

Filesize
24KB

Download
memory/3224-0-0x00000000006A0000-0x00000000006A6000-memory.dmp

Filesize
24KB

Download
memory/3224-2-0x00000000006D0000-0x00000000006D6000-memory.dmp

Filesize
24KB

Download
memory/4860-18-0x0000000002100000-0x0000000002106000-memory.dmp

Filesize
24KB

Download
memory/4860-17-0x00000000020D0000-0x00000000020D6000-memory.dmp

Filesize
24KB

Download