a8bb630be9b1c29ed89d6dac10797c89590d761c3d556448d864f485392eed3f

Analysis

max time kernel
148s
max time network
150s
platform
windows10-2004_x64
resource
win10v2004-20240910-en
resource tags

arch:x64arch:x86image:win10v2004-20240910-enlocale:en-usos:windows10-2004-x64system
submitted
03/10/2024, 02:33

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General

Target

2024-10-03_81cd7133c0427ef825bd530d2d0dde66_cryptolocker.exe
Size

48KB
MD5

81cd7133c0427ef825bd530d2d0dde66
SHA1

1091f9b9453bd3bca07c6119f9b540c2a8ca6792
SHA256

a8bb630be9b1c29ed89d6dac10797c89590d761c3d556448d864f485392eed3f
SHA512

245d43841626d4e277539bd44795d0c7e0b7ace628f950741ff76227147acc8bee46eaabfb4b1835e418bae8d3e3c9ff8ca81f22251add3f6cc74ee7fd0e2bb6
SSDEEP

768:26LsoVEeegiZPvEhHSP+gDdQtOOtEvwDpjtMLZdzuqpXsiE8Wq/DpkITL:26Q0ElP6G+gBQMOtEvwDpjgWMl7TL

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-1-5-21-2629364133-3182087385-364449604-1000\Control Panel\International\Geo\Nation	2024-10-03_81cd7133c0427ef825bd530d2d0dde66_cryptolocker.exe

Executes dropped EXE 1 IoCs

pid	Process
1788	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	2024-10-03_81cd7133c0427ef825bd530d2d0dde66_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 1364 wrote to memory of 1788	1364	2024-10-03_81cd7133c0427ef825bd530d2d0dde66_cryptolocker.exe	85
PID 1364 wrote to memory of 1788	1364	2024-10-03_81cd7133c0427ef825bd530d2d0dde66_cryptolocker.exe	85
PID 1364 wrote to memory of 1788	1364	2024-10-03_81cd7133c0427ef825bd530d2d0dde66_cryptolocker.exe	85

C:\Users\Admin\AppData\Local\Temp\2024-10-03_81cd7133c0427ef825bd530d2d0dde66_cryptolocker.exe
"C:\Users\Admin\AppData\Local\Temp\2024-10-03_81cd7133c0427ef825bd530d2d0dde66_cryptolocker.exe"
1⤵
- Checks computer location settings
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:1364
- 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:1788

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
48KB

MD5
84303e1ec3a12bc6afe17c6db921b911

SHA1
591b5cfdbde7af758c9cf3e71bbeed5fd65534af

SHA256
422c4ebe3fbadeb7621cde93bb9dfe3f25a3026cb2bf28e16eab91e8592f9f0e

SHA512
722af2bbc5cb97362d5ae448c0100e2a7e757fb4b52af737f032ee7ff75125bb1949756d3c3df0c0448836e0112d23eb9c8bde56e1f201dc16d921997efd9d0c

Download Submit
memory/1364-0-0x0000000000500000-0x000000000050B000-memory.dmp

Filesize
44KB

Download
memory/1364-1-0x00000000006A0000-0x00000000006A6000-memory.dmp

Filesize
24KB

Download
memory/1364-2-0x00000000006A0000-0x00000000006A6000-memory.dmp

Filesize
24KB

Download
memory/1364-3-0x00000000007D0000-0x00000000007D6000-memory.dmp

Filesize
24KB

Download
memory/1364-17-0x0000000000500000-0x000000000050B000-memory.dmp

Filesize
44KB

Download
memory/1788-19-0x00000000004D0000-0x00000000004D6000-memory.dmp

Filesize
24KB

Download
memory/1788-20-0x00000000004F0000-0x00000000004F6000-memory.dmp

Filesize
24KB

Download
memory/1788-26-0x0000000000500000-0x000000000050B000-memory.dmp

Filesize
44KB

Download