165ff0b7591afc3735ba3a16b21d12a61cda20aec7dc6fb6c346a65856d54394

Resubmissions

02/05/2023, 18:43

230502-xc2tmscb37 1

02/05/2023, 18:29

230502-w5bbqadh3s 7

Analysis

max time kernel
169s
max time network
356s
platform
windows10-2004_x64
resource
win10v2004-20230220-en
resource tags

arch:x64arch:x86image:win10v2004-20230220-enlocale:en-usos:windows10-2004-x64system
submitted
02/05/2023, 18:29

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General

Target

railway/Object/1/Estaciones/1 Pantitlan/letrero.bmp
Size

256KB
MD5

36326d66a9ef95e17cce3361b386f7b8
SHA1

6e169df091fd812cf888e4a668521bda9ebf763b
SHA256

38998cadb0de60461b26bdce5a9e4a0481de750996be514ae81ea2a8ac8e2935
SHA512

79b890bebf22c2412cd64fd52d8f2ab45f341cbbb8dcd2a3f36528ff6ff13085af11a56e2d7888f694566fe94f8361d29e7d0ff0e4ae311d2072fb746fb7f70c
SSDEEP

768:kiHvir/SrCdCnSrCHy4rdMHRVLXuWzN5+nqmt7ZTZbt7ZCu:kiHvir/SrCdCnSrCHFWRVLXuMNAqk

Score

7^/10

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-1-5-21-4238149048-355649189-894321705-1000\Control Panel\International\Geo\Nation	cmd.exe

Drops file in Windows directory 1 IoCs

description	ioc	Process
File opened for modification	C:\Windows\Debug\WIA\wiatrace.log	mspaint.exe

Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s).

System Information Discovery
T1082

Modifies registry class 1 IoCs

description	ioc	Process
Key created	\REGISTRY\USER\S-1-5-21-4238149048-355649189-894321705-1000_Classes\Local Settings	cmd.exe

Suspicious behavior: EnumeratesProcesses 2 IoCs

pid	Process
1572	mspaint.exe
1572	mspaint.exe

Suspicious use of SetWindowsHookEx 4 IoCs

pid	Process
1572	mspaint.exe
1572	mspaint.exe
1572	mspaint.exe
1572	mspaint.exe

Suspicious use of WriteProcessMemory 2 IoCs

description	pid	Process	procid_target
PID 4744 wrote to memory of 1572	4744	cmd.exe	81
PID 4744 wrote to memory of 1572	4744	cmd.exe	81

C:\Windows\system32\cmd.exe
cmd /c "C:\Users\Admin\AppData\Local\Temp\railway\Object\1\Estaciones\1 Pantitlan\letrero.bmp"
1⤵
- Checks computer location settings
- Modifies registry class
- Suspicious use of WriteProcessMemory
PID:4744
- C:\Windows\system32\mspaint.exe
  "C:\Windows\system32\mspaint.exe" "C:\Users\Admin\AppData\Local\Temp\railway\Object\1\Estaciones\1 Pantitlan\letrero.bmp"
  2⤵
  - Drops file in Windows directory
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious use of SetWindowsHookEx
  PID:1572

C:\Windows\system32\svchost.exe
C:\Windows\system32\svchost.exe -k LocalSystemNetworkRestricted -p -s DeviceAssociationService
1⤵
PID:3244

Network

MITRE ATT&CK Enterprise v6

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Credential Access

Discovery

Query Registry

T1012

System Information Discovery

T1082

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

Windows 7 deprecation

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