488dd4827dd52f3f60e14fe19863ef4764eaf9545ec2fe0f738ad30873c065c9

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
17-10-2024 11:42

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General

Target

2024-10-17_8dce65a1bb7aace1bf24392ad54e8603_cryptolocker.exe
Size

56KB
MD5

8dce65a1bb7aace1bf24392ad54e8603
SHA1

fddf6f54802bcd1b867ff9480b33e82b8f015ee2
SHA256

488dd4827dd52f3f60e14fe19863ef4764eaf9545ec2fe0f738ad30873c065c9
SHA512

451eeff3422f8d2ba90e8c4753cc674a94d6a990ce7431e762f95b6f5c08fce8b5f3007f31c9a0ac1c1828fe6270a225f1950ea18f6d650bff2824360eb221f4
SSDEEP

1536:qmbhXDmjr5MOtEvwDpj5cDtKkQZQRKb6140:BbdDmjr+OtEvwDpjMP

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	2024-10-17_8dce65a1bb7aace1bf24392ad54e8603_cryptolocker.exe

Executes dropped EXE 1 IoCs

pid	Process
4420	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	2024-10-17_8dce65a1bb7aace1bf24392ad54e8603_cryptolocker.exe

Suspicious use of WriteProcessMemory 3 IoCs

description	pid	Process	procid_target
PID 3672 wrote to memory of 4420	3672	2024-10-17_8dce65a1bb7aace1bf24392ad54e8603_cryptolocker.exe	84
PID 3672 wrote to memory of 4420	3672	2024-10-17_8dce65a1bb7aace1bf24392ad54e8603_cryptolocker.exe	84
PID 3672 wrote to memory of 4420	3672	2024-10-17_8dce65a1bb7aace1bf24392ad54e8603_cryptolocker.exe	84

C:\Users\Admin\AppData\Local\Temp\2024-10-17_8dce65a1bb7aace1bf24392ad54e8603_cryptolocker.exe
"C:\Users\Admin\AppData\Local\Temp\2024-10-17_8dce65a1bb7aace1bf24392ad54e8603_cryptolocker.exe"
1⤵
- Checks computer location settings
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:3672
- 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:4420

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
57KB

MD5
e6d9f3e0c5c51d7d556377ed68983618

SHA1
5fb5d1c90452e27bb663a3cc9e0932d36d3653fd

SHA256
ccb2354abdfe2e0202650816ae079d2371984789eea553184753d5c33579d4c2

SHA512
6c2982ef69bb043da22bf86ff4b7c12402ca636cd93133392a37c7a4b047dc45b1c8524c2af9e54f51b5f80a258e7fef95fc088d5fc117bdfa6e060b6c70c057

Download Submit
memory/3672-0-0x0000000000500000-0x0000000000510000-memory.dmp

Filesize
64KB

Download
memory/3672-1-0x00000000005B0000-0x00000000005B6000-memory.dmp

Filesize
24KB

Download
memory/3672-2-0x00000000005B0000-0x00000000005B6000-memory.dmp

Filesize
24KB

Download
memory/3672-3-0x0000000002090000-0x0000000002096000-memory.dmp

Filesize
24KB

Download
memory/3672-16-0x0000000000500000-0x0000000000510000-memory.dmp

Filesize
64KB

Download
memory/4420-19-0x0000000000630000-0x0000000000636000-memory.dmp

Filesize
24KB

Download
memory/4420-20-0x0000000000650000-0x0000000000656000-memory.dmp

Filesize
24KB

Download
memory/4420-26-0x0000000000500000-0x0000000000510000-memory.dmp

Filesize
64KB

Download