ff0cb8be11506ea1b4ed497eec2be255d49fc9484c9c4255cf4b3f826b86f1ea

Analysis

max time kernel
148s
max time network
151s
platform
windows10-2004_x64
resource
win10v2004-20241007-en
resource tags

arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-x64system
submitted
31-10-2024 08:22

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General

Target

2024-10-31_12ab53fa439d221d586d8601f4e29484_cryptolocker.exe
Size

48KB
MD5

12ab53fa439d221d586d8601f4e29484
SHA1

a1f481a66f6f8cd57b8e63ad6bab57d08c8d0b98
SHA256

ff0cb8be11506ea1b4ed497eec2be255d49fc9484c9c4255cf4b3f826b86f1ea
SHA512

dd681281d14a78097ecb19dbca0db59eb4d52a940f3311660b31d0bf1af501a75e3063d1b0d6aa078bb41b5d9ed336e5a927aaf36f68a470cd3d7259ccb4520b
SSDEEP

768:V6LsoEEeegiZPvEhHSG+gDYQtOOtEvwDpj/MLaHaMMm2X3dXD:V6QFElP6n+gMQMOtEvwDpjyaHaXrD

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-1-5-21-4089630652-1596403869-279772308-1000\Control Panel\International\Geo\Nation	2024-10-31_12ab53fa439d221d586d8601f4e29484_cryptolocker.exe

Executes dropped EXE 1 IoCs

pid	Process
4624	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	2024-10-31_12ab53fa439d221d586d8601f4e29484_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 3000 wrote to memory of 4624	3000	2024-10-31_12ab53fa439d221d586d8601f4e29484_cryptolocker.exe	84
PID 3000 wrote to memory of 4624	3000	2024-10-31_12ab53fa439d221d586d8601f4e29484_cryptolocker.exe	84
PID 3000 wrote to memory of 4624	3000	2024-10-31_12ab53fa439d221d586d8601f4e29484_cryptolocker.exe	84

C:\Users\Admin\AppData\Local\Temp\2024-10-31_12ab53fa439d221d586d8601f4e29484_cryptolocker.exe
"C:\Users\Admin\AppData\Local\Temp\2024-10-31_12ab53fa439d221d586d8601f4e29484_cryptolocker.exe"
1⤵
- Checks computer location settings
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:3000
- 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:4624

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
48KB

MD5
1b0405c269deb65197b2606f95b8878d

SHA1
6a10cfc349c24c537efe8a3c53e4a7e8969a2eae

SHA256
db7373cf64b639eb24f18a6f0e06138767d25a8b8bb9317637837f7c6ae925f1

SHA512
0559739e384e63f38051333f903f4999d02a4977ef7eac9afb1b7835e2ee0df80486ccdb396dc821dbc803db0897ada62b9c3ded0e3f42c1588adc870008f486

Download Submit
memory/3000-0-0x0000000000670000-0x0000000000676000-memory.dmp

Filesize
24KB

Download
memory/3000-1-0x0000000000670000-0x0000000000676000-memory.dmp

Filesize
24KB

Download
memory/3000-2-0x0000000000690000-0x0000000000696000-memory.dmp

Filesize
24KB

Download
memory/4624-17-0x00000000006E0000-0x00000000006E6000-memory.dmp

Filesize
24KB

Download