Overview
overview
3Static
static
3app_links_plugin.dll
windows10-1703-x64
1data/app.so
windows10-1703-x64
3data/flutt...ll.bat
windows10-1703-x64
1data/flutt...er.exe
windows10-1703-x64
1data/flutt...ip.exe
windows10-1703-x64
1data/flutt...op.bat
windows10-1703-x64
1data/flutt...ar.exe
windows10-1703-x64
3data/flutt...lt.dll
windows10-1703-x64
1data/flutt...le.dll
windows10-1703-x64
1data/flutt...ak.dll
windows10-1703-x64
1data/flutt...ot.dll
windows10-1703-x64
1data/flutt...er.exe
windows10-1703-x64
1data/flutt...ll.bat
windows10-1703-x64
1data/flutt...ch.exe
windows10-1703-x64
1data/flutt...at.bat
windows10-1703-x64
1flutter_ac...in.dll
windows10-1703-x64
1flutter_windows.dll
windows10-1703-x64
1reboot_launcher.exe
windows10-1703-x64
1screen_ret...in.dll
windows10-1703-x64
1system_the...in.dll
windows10-1703-x64
1url_launch...in.dll
windows10-1703-x64
1window_man...in.dll
windows10-1703-x64
1windows_ta...in.dll
windows10-1703-x64
1Analysis
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max time kernel
11s -
max time network
19s -
platform
windows10-1703_x64 -
resource
win10-20240221-en -
resource tags
arch:x64arch:x86image:win10-20240221-enlocale:en-usos:windows10-1703-x64system -
submitted
21-02-2024 15:27
Static task
static1
Behavioral task
behavioral1
Sample
app_links_plugin.dll
Resource
win10-20240221-en
Behavioral task
behavioral2
Sample
data/app.so
Resource
win10-20240221-en
Behavioral task
behavioral3
Sample
data/flutter_assets/assets/authenticator/kill.bat
Resource
win10-20240221-en
Behavioral task
behavioral4
Sample
data/flutter_assets/assets/authenticator/lawinserver.exe
Resource
win10-20240221-en
Behavioral task
behavioral5
Sample
data/flutter_assets/assets/build/7zip.exe
Resource
win10-20240221-en
Behavioral task
behavioral6
Sample
data/flutter_assets/assets/build/stop.bat
Resource
win10-20240221-en
Behavioral task
behavioral7
Sample
data/flutter_assets/assets/build/winrar.exe
Resource
win10-20240214-en
Behavioral task
behavioral8
Sample
data/flutter_assets/assets/dlls/cobalt.dll
Resource
win10-20240221-en
Behavioral task
behavioral9
Sample
data/flutter_assets/assets/dlls/console.dll
Resource
win10-20240221-en
Behavioral task
behavioral10
Sample
data/flutter_assets/assets/dlls/memoryleak.dll
Resource
win10-20240221-en
Behavioral task
behavioral11
Sample
data/flutter_assets/assets/dlls/reboot.dll
Resource
win10-20240221-en
Behavioral task
behavioral12
Sample
data/flutter_assets/assets/matchmaker/fortmatchmaker.exe
Resource
win10-20240221-en
Behavioral task
behavioral13
Sample
data/flutter_assets/assets/matchmaker/kill.bat
Resource
win10-20240221-en
Behavioral task
behavioral14
Sample
data/flutter_assets/assets/misc/watch.exe
Resource
win10-20240221-en
Behavioral task
behavioral15
Sample
data/flutter_assets/assets/misc/winnat.bat
Resource
win10-20240221-en
Behavioral task
behavioral16
Sample
flutter_acrylic_plugin.dll
Resource
win10-20240221-en
Behavioral task
behavioral17
Sample
flutter_windows.dll
Resource
win10-20240221-en
Behavioral task
behavioral18
Sample
reboot_launcher.exe
Resource
win10-20240214-en
Behavioral task
behavioral19
Sample
screen_retriever_plugin.dll
Resource
win10-20240221-en
Behavioral task
behavioral20
Sample
system_theme_plugin.dll
Resource
win10-20240221-en
Behavioral task
behavioral21
Sample
url_launcher_windows_plugin.dll
Resource
win10-20240221-en
Behavioral task
behavioral22
Sample
window_manager_plugin.dll
Resource
win10-20240221-en
Behavioral task
behavioral23
Sample
windows_taskbar_plugin.dll
Resource
win10-20240221-en
General
-
Target
data/flutter_assets/assets/misc/winnat.bat
-
Size
33B
-
MD5
a848640501c560e6134ae17fd2fdc2f0
-
SHA1
6cdf7b5ce48f4e4bd4730a3128ba5789b4bdb430
-
SHA256
668c2458ff69ad921d6d67d0a7f2c31c3ab90273a54254f06956187450f665e6
-
SHA512
c16600e0e1fb14b6dc781424c85be82e740cb2999c5214cf0a2ae70dbd6268c664657815f764cc8a3978591b39f0a71473f9a547bdb51f39ec5b5f8e4d13a3a7
Malware Config
Signatures
-
Runs net.exe
-
Suspicious behavior: LoadsDriver 1 IoCs
pid Process 604 Process not Found -
Suspicious use of WriteProcessMemory 8 IoCs
description pid Process procid_target PID 944 wrote to memory of 4316 944 cmd.exe 75 PID 944 wrote to memory of 4316 944 cmd.exe 75 PID 4316 wrote to memory of 2992 4316 net.exe 76 PID 4316 wrote to memory of 2992 4316 net.exe 76 PID 944 wrote to memory of 1572 944 cmd.exe 77 PID 944 wrote to memory of 1572 944 cmd.exe 77 PID 1572 wrote to memory of 220 1572 net.exe 78 PID 1572 wrote to memory of 220 1572 net.exe 78
Processes
-
C:\Windows\system32\cmd.exeC:\Windows\system32\cmd.exe /c "C:\Users\Admin\AppData\Local\Temp\data\flutter_assets\assets\misc\winnat.bat"1⤵
- Suspicious use of WriteProcessMemory
PID:944 -
C:\Windows\system32\net.exenet stop winnat2⤵
- Suspicious use of WriteProcessMemory
PID:4316 -
C:\Windows\system32\net1.exeC:\Windows\system32\net1 stop winnat3⤵PID:2992
-
-
-
C:\Windows\system32\net.exenet start winnat2⤵
- Suspicious use of WriteProcessMemory
PID:1572 -
C:\Windows\system32\net1.exeC:\Windows\system32\net1 start winnat3⤵PID:220
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