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
121s -
max time network
129s -
platform
windows7_x64 -
resource
win7-20231129-en -
resource tags
arch:x64arch:x86image:win7-20231129-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/sr.pak
-
Size
780KB
-
MD5
8f58b2463e8240ef62e651685e1f17d8
-
SHA1
6c9f302aed807a67f6b93bcb79577397a5ad3cf7
-
SHA256
5a55320d6953efb5b565893e32e01f6dae781a16460df5502c8ba012c893edfd
-
SHA512
6076d43a73d5fa5192cbe597e018b268cfdc7efb94a6cb45dad5b0da9c3abf68aaf2ea06f3ad650b28a993605917b6d356339d79f8dd6962d2c40dbf4653ef83
-
SSDEEP
12288:qCIVob4zA74dHLYbeHIdN4SGdEDWeUnLYA1785sXMx5xMd8G37gjemS/k/C:ZSe41A0x85nxQP
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-1-5-21-3627615824-4061627003-3019543961-1000_CLASSES\pak_auto_file rundll32.exe Set value (str) \REGISTRY\USER\S-1-5-21-3627615824-4061627003-3019543961-1000_CLASSES\pak_auto_file\ rundll32.exe Key created \REGISTRY\USER\S-1-5-21-3627615824-4061627003-3019543961-1000_CLASSES\.pak rundll32.exe Key created \REGISTRY\USER\S-1-5-21-3627615824-4061627003-3019543961-1000_CLASSES\pak_auto_file\shell\Read rundll32.exe Key created \REGISTRY\USER\S-1-5-21-3627615824-4061627003-3019543961-1000_CLASSES\pak_auto_file\shell rundll32.exe Set value (str) \REGISTRY\USER\S-1-5-21-3627615824-4061627003-3019543961-1000_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-1-5-21-3627615824-4061627003-3019543961-1000_Classes\Local Settings rundll32.exe Set value (str) \REGISTRY\USER\S-1-5-21-3627615824-4061627003-3019543961-1000_CLASSES\.pak\ = "pak_auto_file" rundll32.exe Key created \REGISTRY\USER\S-1-5-21-3627615824-4061627003-3019543961-1000_CLASSES\pak_auto_file\shell\Read\command rundll32.exe -
Suspicious behavior: GetForegroundWindowSpam 1 IoCs
Processes:
AcroRd32.exepid Process 2616 AcroRd32.exe -
Suspicious use of SetWindowsHookEx 2 IoCs
Processes:
AcroRd32.exepid Process 2616 AcroRd32.exe 2616 AcroRd32.exe -
Suspicious use of WriteProcessMemory 7 IoCs
Processes:
cmd.exerundll32.exedescription pid Process procid_target PID 2916 wrote to memory of 2244 2916 cmd.exe 29 PID 2916 wrote to memory of 2244 2916 cmd.exe 29 PID 2916 wrote to memory of 2244 2916 cmd.exe 29 PID 2244 wrote to memory of 2616 2244 rundll32.exe 30 PID 2244 wrote to memory of 2616 2244 rundll32.exe 30 PID 2244 wrote to memory of 2616 2244 rundll32.exe 30 PID 2244 wrote to memory of 2616 2244 rundll32.exe 30
Processes
-
C:\Windows\system32\cmd.execmd /c C:\Users\Admin\AppData\Local\Temp\locales\sr.pak1⤵
- Suspicious use of WriteProcessMemory
PID:2916 -
C:\Windows\system32\rundll32.exe"C:\Windows\system32\rundll32.exe" C:\Windows\system32\shell32.dll,OpenAs_RunDLL C:\Users\Admin\AppData\Local\Temp\locales\sr.pak2⤵
- Modifies registry class
- Suspicious use of WriteProcessMemory
PID:2244 -
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\sr.pak"3⤵
- Suspicious behavior: GetForegroundWindowSpam
- Suspicious use of SetWindowsHookEx
PID:2616
-
-
Network
MITRE ATT&CK Enterprise v15
Replay Monitor
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Downloads
-
Filesize
3KB
MD572c099d847b07ebaa67a766c5676e17a
SHA1e8e9db6e653713529e74c398eb8725506a64f16e
SHA256653b5a9dcd035195efbd7c763db1417c82a82c2869482795dea72a938315f20f
SHA512f346d454e137de1d2e2154581651b0b005f1b9faddb12de0100495c1fe75351b869eecc833043f2754ca9cf38eec3f050c0b5afc7e2d8aa98186d074c4cf7473