5b93249494efd1d31a5c80d5e6575761fddabf72aece27fb58715491be80ca34

Analysis

max time kernel
148s
max time network
149s
platform
windows10-2004_x64
resource
win10v2004-20240802-en
resource tags

arch:x64arch:x86image:win10v2004-20240802-enlocale:en-usos:windows10-2004-x64system
submitted
03/09/2024, 16:35

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General

Target

2024-09-03_a097e4fa0fcf0328466bf183f9906842_cryptolocker.exe
Size

72KB
MD5

a097e4fa0fcf0328466bf183f9906842
SHA1

05b17896b5a6918c0567221384be68c4d1395670
SHA256

5b93249494efd1d31a5c80d5e6575761fddabf72aece27fb58715491be80ca34
SHA512

3f8772cba0359bd8b6b30f014b0ed7a3c32bd76cf730dff6e21691a8aae3834e4fcc9584e45fdd03df92284c1f093081c3bda92c18fadf42f3c50c2d2d89fabd
SSDEEP

1536:Dk/xY0sllyGQMOtEvwDpjwycDtKkQZQRKb61vSbgZ3QzNKUNZOR:DW60sllyWOtEvwDpjwF85C

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-1-5-21-4182098368-2521458979-3782681353-1000\Control Panel\International\Geo\Nation	2024-09-03_a097e4fa0fcf0328466bf183f9906842_cryptolocker.exe

Executes dropped EXE 1 IoCs

pid	Process
3160	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	2024-09-03_a097e4fa0fcf0328466bf183f9906842_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 3032 wrote to memory of 3160	3032	2024-09-03_a097e4fa0fcf0328466bf183f9906842_cryptolocker.exe	85
PID 3032 wrote to memory of 3160	3032	2024-09-03_a097e4fa0fcf0328466bf183f9906842_cryptolocker.exe	85
PID 3032 wrote to memory of 3160	3032	2024-09-03_a097e4fa0fcf0328466bf183f9906842_cryptolocker.exe	85

C:\Users\Admin\AppData\Local\Temp\2024-09-03_a097e4fa0fcf0328466bf183f9906842_cryptolocker.exe
"C:\Users\Admin\AppData\Local\Temp\2024-09-03_a097e4fa0fcf0328466bf183f9906842_cryptolocker.exe"
1⤵
- Checks computer location settings
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:3032
- 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:3160

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
72KB

MD5
b935bcdfe369f0887c91b52cd7fc6a86

SHA1
1a1c56b382fdd3da77dcd7b56c2a27fa68e647fe

SHA256
4b5bfe688a7fa50904f895384451c65b63de0044ee8645efca2bb9bc0ea43b72

SHA512
51a211b6536580d6d86ebd8504ffd6e438c9cb31e89b45666d1a4dfe8e7fe4698b542be59b6e6f24a60a10e4238363eef5be60e2a815fc291b350b30ea206fc6

Download Submit
memory/3032-0-0x0000000000500000-0x000000000050B000-memory.dmp

Filesize
44KB

Download
memory/3032-1-0x00000000006A0000-0x00000000006A6000-memory.dmp

Filesize
24KB

Download
memory/3032-2-0x00000000006A0000-0x00000000006A6000-memory.dmp

Filesize
24KB

Download
memory/3032-3-0x00000000006C0000-0x00000000006C6000-memory.dmp

Filesize
24KB

Download
memory/3032-17-0x0000000000500000-0x000000000050B000-memory.dmp

Filesize
44KB

Download
memory/3160-25-0x00000000004D0000-0x00000000004D6000-memory.dmp

Filesize
24KB

Download
memory/3160-19-0x0000000000590000-0x0000000000596000-memory.dmp

Filesize
24KB

Download
memory/3160-26-0x0000000000500000-0x000000000050B000-memory.dmp

Filesize
44KB

Download