165ff0b7591afc3735ba3a16b21d12a61cda20aec7dc6fb6c346a65856d54394

Resubmissions

02/05/2023, 18:43

230502-xc2tmscb37 1

02/05/2023, 18:29

230502-w5bbqadh3s 7

Analysis

max time kernel
151s
max time network
403s
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/11 Isabel/Concreto1.bmp
Size

1.0MB
MD5

a84e8abe5319baf9970b8a7bd3d79fa3
SHA1

47ce5662ff61a0f702c55ddfa9a51c9d1ec85b9c
SHA256

ec8636dc47bb9e3b347e22f58008f094723b240d172facf73cd994772374f35c
SHA512

906c09dd11b942e4ce1cb4da85c6fb1817caaa64837a23641657baca84eddd9600e2e4fa1ece81fabfe7e14c863baa45212a73213bc9a55af8b6a403df4a96e0
SSDEEP

3072:/4zA24zAp4zAR4zAy4zA24zAE4zAR4zA8:A

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-1-5-21-1013461898-3711306144-4198452673-1000\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-1-5-21-1013461898-3711306144-4198452673-1000_Classes\Local Settings	cmd.exe

Suspicious behavior: EnumeratesProcesses 2 IoCs

pid	Process
4760	mspaint.exe
4760	mspaint.exe

Suspicious use of SetWindowsHookEx 4 IoCs

pid	Process
4760	mspaint.exe
4760	mspaint.exe
4760	mspaint.exe
4760	mspaint.exe

Suspicious use of WriteProcessMemory 2 IoCs

description	pid	Process	procid_target
PID 4572 wrote to memory of 4760	4572	cmd.exe	88
PID 4572 wrote to memory of 4760	4572	cmd.exe	88

C:\Windows\system32\cmd.exe
cmd /c "C:\Users\Admin\AppData\Local\Temp\railway\Object\1\Estaciones\11 Isabel\Concreto1.bmp"
1⤵
- Checks computer location settings
- Modifies registry class
- Suspicious use of WriteProcessMemory
PID:4572
- C:\Windows\system32\mspaint.exe
  "C:\Windows\system32\mspaint.exe" "C:\Users\Admin\AppData\Local\Temp\railway\Object\1\Estaciones\11 Isabel\Concreto1.bmp"
  2⤵
  - Drops file in Windows directory
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious use of SetWindowsHookEx
  PID:4760

C:\Windows\system32\svchost.exe
C:\Windows\system32\svchost.exe -k LocalSystemNetworkRestricted -p -s DeviceAssociationService
1⤵
PID:3464

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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