Overview
overview
8Static
static
3Vilde_Installer.exe
windows7-x64
7Vilde_Installer.exe
windows10-2004-x64
8$PLUGINSDI...ls.dll
windows7-x64
3$PLUGINSDI...ls.dll
windows10-2004-x64
3$PLUGINSDI...em.dll
windows7-x64
3$PLUGINSDI...em.dll
windows10-2004-x64
3$PLUGINSDIR/app-64.7z
windows7-x64
3$PLUGINSDIR/app-64.7z
windows10-2004-x64
3locales/pl.pak
windows7-x64
3locales/pl.pak
windows10-2004-x64
3locales/pt-BR.pak
windows7-x64
3locales/pt-BR.pak
windows10-2004-x64
3locales/pt-PT.pak
windows7-x64
3locales/pt-PT.pak
windows10-2004-x64
3locales/ro.pak
windows7-x64
3locales/ro.pak
windows10-2004-x64
3locales/ru.pak
windows7-x64
3locales/ru.pak
windows10-2004-x64
3locales/sk.pak
windows7-x64
3locales/sk.pak
windows10-2004-x64
3locales/sl.pak
windows7-x64
3locales/sl.pak
windows10-2004-x64
3locales/sr.pak
windows7-x64
3locales/sr.pak
windows10-2004-x64
3locales/sv.pak
windows7-x64
3locales/sv.pak
windows10-2004-x64
3locales/sw.pak
windows7-x64
3locales/sw.pak
windows10-2004-x64
3locales/ta.pak
windows7-x64
3locales/ta.pak
windows10-2004-x64
3locales/te.pak
windows7-x64
3locales/te.pak
windows10-2004-x64
3Analysis
-
max time kernel
119s -
max time network
127s -
platform
windows7_x64 -
resource
win7-20240221-en -
resource tags
arch:x64arch:x86image:win7-20240221-enlocale:en-usos:windows7-x64system -
submitted
13-06-2024 00:12
Static task
static1
Behavioral task
behavioral1
Sample
Vilde_Installer.exe
Resource
win7-20240220-en
Behavioral task
behavioral2
Sample
Vilde_Installer.exe
Resource
win10v2004-20240611-en
Behavioral task
behavioral3
Sample
$PLUGINSDIR/StdUtils.dll
Resource
win7-20231129-en
Behavioral task
behavioral4
Sample
$PLUGINSDIR/StdUtils.dll
Resource
win10v2004-20240226-en
Behavioral task
behavioral5
Sample
$PLUGINSDIR/System.dll
Resource
win7-20240508-en
Behavioral task
behavioral6
Sample
$PLUGINSDIR/System.dll
Resource
win10v2004-20240508-en
Behavioral task
behavioral7
Sample
$PLUGINSDIR/app-64.7z
Resource
win7-20240221-en
Behavioral task
behavioral8
Sample
$PLUGINSDIR/app-64.7z
Resource
win10v2004-20240508-en
Behavioral task
behavioral9
Sample
locales/pl.pak
Resource
win7-20240611-en
Behavioral task
behavioral10
Sample
locales/pl.pak
Resource
win10v2004-20240508-en
Behavioral task
behavioral11
Sample
locales/pt-BR.pak
Resource
win7-20240221-en
Behavioral task
behavioral12
Sample
locales/pt-BR.pak
Resource
win10v2004-20240508-en
Behavioral task
behavioral13
Sample
locales/pt-PT.pak
Resource
win7-20231129-en
Behavioral task
behavioral14
Sample
locales/pt-PT.pak
Resource
win10v2004-20240508-en
Behavioral task
behavioral15
Sample
locales/ro.pak
Resource
win7-20240220-en
Behavioral task
behavioral16
Sample
locales/ro.pak
Resource
win10v2004-20240508-en
Behavioral task
behavioral17
Sample
locales/ru.pak
Resource
win7-20240611-en
Behavioral task
behavioral18
Sample
locales/ru.pak
Resource
win10v2004-20240508-en
Behavioral task
behavioral19
Sample
locales/sk.pak
Resource
win7-20240611-en
Behavioral task
behavioral20
Sample
locales/sk.pak
Resource
win10v2004-20240226-en
Behavioral task
behavioral21
Sample
locales/sl.pak
Resource
win7-20240221-en
Behavioral task
behavioral22
Sample
locales/sl.pak
Resource
win10v2004-20240508-en
Behavioral task
behavioral23
Sample
locales/sr.pak
Resource
win7-20231129-en
Behavioral task
behavioral24
Sample
locales/sr.pak
Resource
win10v2004-20240611-en
Behavioral task
behavioral25
Sample
locales/sv.pak
Resource
win7-20240419-en
Behavioral task
behavioral26
Sample
locales/sv.pak
Resource
win10v2004-20240508-en
Behavioral task
behavioral27
Sample
locales/sw.pak
Resource
win7-20240508-en
Behavioral task
behavioral28
Sample
locales/sw.pak
Resource
win10v2004-20240611-en
Behavioral task
behavioral29
Sample
locales/ta.pak
Resource
win7-20240220-en
Behavioral task
behavioral30
Sample
locales/ta.pak
Resource
win10v2004-20240508-en
Behavioral task
behavioral31
Sample
locales/te.pak
Resource
win7-20240611-en
Behavioral task
behavioral32
Sample
locales/te.pak
Resource
win10v2004-20240508-en
General
-
Target
locales/pt-BR.pak
-
Size
490KB
-
MD5
53d5fb849c9bab70878b3e01bffad65a
-
SHA1
e72af1a76539e66cef4a4eef5844b067a4e1a79f
-
SHA256
40dd24c5e225ed941bbaab3dcfefa993e39fbc75a1798f4f6e06424956698ac5
-
SHA512
55357643d789d2eed72e009f08f72ba4895ba455ca00c8347a3c3790e43f8d7e4625feda438ecac840bdc52c26d2135d89bea693b61a293922b6056bde6b4516
-
SSDEEP
6144:OrUbPq56NTyytNBXBLilIyMyE15aKJutiOsRhkxCp:Or6C5FyT5hJKsRKxM
Malware Config
Signatures
-
Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s).
-
Modifies registry class 9 IoCs
Processes:
rundll32.exedescription ioc Process Key created \REGISTRY\USER\S-1-5-21-2297530677-1229052932-2803917579-1000_Classes\Local Settings rundll32.exe Key created \REGISTRY\USER\S-1-5-21-2297530677-1229052932-2803917579-1000_CLASSES\pak_auto_file\shell rundll32.exe Key created \REGISTRY\USER\S-1-5-21-2297530677-1229052932-2803917579-1000_CLASSES\pak_auto_file\shell\Read\command rundll32.exe Set value (str) \REGISTRY\USER\S-1-5-21-2297530677-1229052932-2803917579-1000_CLASSES\pak_auto_file\shell\Read\command\ = "\"C:\\Program Files (x86)\\Adobe\\Reader 9.0\\Reader\\AcroRd32.exe\" \"%1\"" rundll32.exe Key created \REGISTRY\USER\S-1-5-21-2297530677-1229052932-2803917579-1000_CLASSES\pak_auto_file\shell\Read rundll32.exe Key created \REGISTRY\USER\S-1-5-21-2297530677-1229052932-2803917579-1000_CLASSES\pak_auto_file rundll32.exe Set value (str) \REGISTRY\USER\S-1-5-21-2297530677-1229052932-2803917579-1000_CLASSES\pak_auto_file\ rundll32.exe Key created \REGISTRY\USER\S-1-5-21-2297530677-1229052932-2803917579-1000_CLASSES\.pak rundll32.exe Set value (str) \REGISTRY\USER\S-1-5-21-2297530677-1229052932-2803917579-1000_CLASSES\.pak\ = "pak_auto_file" rundll32.exe -
Suspicious behavior: GetForegroundWindowSpam 1 IoCs
Processes:
AcroRd32.exepid Process 2728 AcroRd32.exe -
Suspicious use of SetWindowsHookEx 2 IoCs
Processes:
AcroRd32.exepid Process 2728 AcroRd32.exe 2728 AcroRd32.exe -
Suspicious use of WriteProcessMemory 7 IoCs
Processes:
cmd.exerundll32.exedescription pid Process procid_target PID 2248 wrote to memory of 2700 2248 cmd.exe 29 PID 2248 wrote to memory of 2700 2248 cmd.exe 29 PID 2248 wrote to memory of 2700 2248 cmd.exe 29 PID 2700 wrote to memory of 2728 2700 rundll32.exe 30 PID 2700 wrote to memory of 2728 2700 rundll32.exe 30 PID 2700 wrote to memory of 2728 2700 rundll32.exe 30 PID 2700 wrote to memory of 2728 2700 rundll32.exe 30
Processes
-
C:\Windows\system32\cmd.execmd /c C:\Users\Admin\AppData\Local\Temp\locales\pt-BR.pak1⤵
- Suspicious use of WriteProcessMemory
PID:2248 -
C:\Windows\system32\rundll32.exe"C:\Windows\system32\rundll32.exe" C:\Windows\system32\shell32.dll,OpenAs_RunDLL C:\Users\Admin\AppData\Local\Temp\locales\pt-BR.pak2⤵
- Modifies registry class
- Suspicious use of WriteProcessMemory
PID:2700 -
C:\Program Files (x86)\Adobe\Reader 9.0\Reader\AcroRd32.exe"C:\Program Files (x86)\Adobe\Reader 9.0\Reader\AcroRd32.exe" "C:\Users\Admin\AppData\Local\Temp\locales\pt-BR.pak"3⤵
- Suspicious behavior: GetForegroundWindowSpam
- Suspicious use of SetWindowsHookEx
PID:2728
-
-
Network
MITRE ATT&CK Enterprise v15
Replay Monitor
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Downloads
-
Filesize
3KB
MD5e43904e41f87b3b5818abc4574826e13
SHA1edf49c1baa657baf7de436bfd63bc296d3305126
SHA256fc19119446a24090f9c3d95a5c024889c2bc9cd22c40a2bd03e0843300d233b7
SHA512331099a0c9375b4a2f172eef123d2c1ce15a9028ea2c96c952a689c78a77418ef5a76b50bffbe13b8b171c82b95c3ab4a9c96d29419350f978fa2817d04e97ee