538dcdb0b98ec65da325882686ac96ef5646711ec6c56d383a4ac769dbb9194d

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
21-09-2024 11:22

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General

Target

2024-09-21_509ab04840ca1df3864fc1f5245d9c23_cryptolocker.exe
Size

53KB
MD5

509ab04840ca1df3864fc1f5245d9c23
SHA1

2ffddd21643f4d3ee74833d30d7b51d35dea1278
SHA256

538dcdb0b98ec65da325882686ac96ef5646711ec6c56d383a4ac769dbb9194d
SHA512

1723a631c5b657da54ae25af08496ccc387ff96fe030c2e3bd55a2b05b3193ca2c7ab5a3612e6051f798032c5591fa622371ab413684e7da5e04b5af89108dbe
SSDEEP

768:79inqyNR/QtOOtEvwDpjBK/iVTab3GRuv3VylSV/CgS:79mqyNhQMOtEvwDpjBPY7xv3g8XS

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	2024-09-21_509ab04840ca1df3864fc1f5245d9c23_cryptolocker.exe

Executes dropped EXE 1 IoCs

pid	Process
4180	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	2024-09-21_509ab04840ca1df3864fc1f5245d9c23_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 3972 wrote to memory of 4180	3972	2024-09-21_509ab04840ca1df3864fc1f5245d9c23_cryptolocker.exe	83
PID 3972 wrote to memory of 4180	3972	2024-09-21_509ab04840ca1df3864fc1f5245d9c23_cryptolocker.exe	83
PID 3972 wrote to memory of 4180	3972	2024-09-21_509ab04840ca1df3864fc1f5245d9c23_cryptolocker.exe	83

C:\Users\Admin\AppData\Local\Temp\2024-09-21_509ab04840ca1df3864fc1f5245d9c23_cryptolocker.exe
"C:\Users\Admin\AppData\Local\Temp\2024-09-21_509ab04840ca1df3864fc1f5245d9c23_cryptolocker.exe"
1⤵
- Checks computer location settings
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:3972
- 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:4180

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
53KB

MD5
96f674a81034a6eea1d8221a3f893da3

SHA1
c82133ff9b5811b4abc4207e94604a2544a613be

SHA256
f43f1f0c263ca032fcb5994c43b57dce34f7ac4a0b5c4de45587bb574df82311

SHA512
e9c1d37a4e37b5a66b5e087a6b6ab11bb88ffe9682dc579b8a90329f487a986e4aa840181c64b8e82c68beb9c2224e44094258475ff13244449d1e98364609c8

Download Submit
memory/3972-0-0x0000000000500000-0x000000000050F000-memory.dmp

Filesize
60KB

Download
memory/3972-1-0x00000000020D0000-0x00000000020D6000-memory.dmp

Filesize
24KB

Download
memory/3972-2-0x00000000020D0000-0x00000000020D6000-memory.dmp

Filesize
24KB

Download
memory/3972-3-0x0000000002100000-0x0000000002106000-memory.dmp

Filesize
24KB

Download
memory/3972-17-0x0000000000500000-0x000000000050F000-memory.dmp

Filesize
60KB

Download
memory/4180-19-0x0000000002150000-0x0000000002156000-memory.dmp

Filesize
24KB

Download
memory/4180-20-0x0000000002070000-0x0000000002076000-memory.dmp

Filesize
24KB

Download
memory/4180-26-0x0000000000500000-0x000000000050F000-memory.dmp

Filesize
60KB

Download