9b28832707421fb1381eccf76b740fc2a20a9a453667e469d967090fc75e1358

Analysis

max time kernel
149s
max time network
153s
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 08:27

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General

Target

2024-10-31_7719562a6e42fa78d822e3912dcb4aee_cryptolocker.exe
Size

64KB
MD5

7719562a6e42fa78d822e3912dcb4aee
SHA1

0c72f58204cd071982107f76ff49533a7e55948f
SHA256

9b28832707421fb1381eccf76b740fc2a20a9a453667e469d967090fc75e1358
SHA512

5f0e08348fa3e91977506f2f4c1df815d1e1f7b2d36dd562dcea6f722a047ccdbdd24482f16fc76038927724c36e293aaad162386ba41fb323f6ce6fadfb413f
SSDEEP

1536:Dk/xY0sllyGQMOtEvwDpjwycDtKkQZQRKb61vSbgU:DW60sllyWOtEvwDpjwF8F

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-1-5-21-2878641211-696417878-3864914810-1000\Control Panel\International\Geo\Nation	2024-10-31_7719562a6e42fa78d822e3912dcb4aee_cryptolocker.exe

Executes dropped EXE 1 IoCs

pid	Process
4600	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_7719562a6e42fa78d822e3912dcb4aee_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 3008 wrote to memory of 4600	3008	2024-10-31_7719562a6e42fa78d822e3912dcb4aee_cryptolocker.exe	85
PID 3008 wrote to memory of 4600	3008	2024-10-31_7719562a6e42fa78d822e3912dcb4aee_cryptolocker.exe	85
PID 3008 wrote to memory of 4600	3008	2024-10-31_7719562a6e42fa78d822e3912dcb4aee_cryptolocker.exe	85

C:\Users\Admin\AppData\Local\Temp\2024-10-31_7719562a6e42fa78d822e3912dcb4aee_cryptolocker.exe
"C:\Users\Admin\AppData\Local\Temp\2024-10-31_7719562a6e42fa78d822e3912dcb4aee_cryptolocker.exe"
1⤵
- Checks computer location settings
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:3008
- 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:4600

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
64KB

MD5
665b596cb4be74362f41bf09b08f7d0f

SHA1
4a6ffa4aed1f5eb44cceb6b3f52b2f954dfc1085

SHA256
e5d14d7dd8e0febe636125e30d5a08622019ceb796f53f8f6aa09641878452db

SHA512
497de8b07c211ff1aad1b2feb344a3059a38418d22d25deb13cd4aafe27e67b2fa0a6cb29b6a7ce69c195348f4f5331ba7cd3b26b681564ae9eafec0525d023c

Download Submit
memory/3008-0-0x0000000000500000-0x000000000050B000-memory.dmp

Filesize
44KB

Download
memory/3008-1-0x0000000000740000-0x0000000000746000-memory.dmp

Filesize
24KB

Download
memory/3008-2-0x0000000000740000-0x0000000000746000-memory.dmp

Filesize
24KB

Download
memory/3008-3-0x0000000000760000-0x0000000000766000-memory.dmp

Filesize
24KB

Download
memory/3008-17-0x0000000000500000-0x000000000050B000-memory.dmp

Filesize
44KB

Download
memory/4600-20-0x00000000004F0000-0x00000000004F6000-memory.dmp

Filesize
24KB

Download
memory/4600-19-0x00000000004D0000-0x00000000004D6000-memory.dmp

Filesize
24KB

Download
memory/4600-26-0x0000000000500000-0x000000000050B000-memory.dmp

Filesize
44KB

Download