Overview
overview
9Static
static
3aca83fffa6...0c.exe
windows7-x64
9aca83fffa6...0c.exe
windows10-2004-x64
9$PLUGINSDI...sh.dll
windows7-x64
3$PLUGINSDI...sh.dll
windows10-2004-x64
3$PLUGINSDIR/Bass.dll
windows7-x64
1$PLUGINSDIR/Bass.dll
windows10-2004-x64
1$PLUGINSDI...on.dll
windows7-x64
3$PLUGINSDI...on.dll
windows10-2004-x64
3$PLUGINSDI...ns.dll
windows7-x64
3$PLUGINSDI...ns.dll
windows10-2004-x64
3$PLUGINSDI...in.dll
windows7-x64
1$PLUGINSDI...in.dll
windows10-2004-x64
1$PLUGINSDI...em.dll
windows7-x64
3$PLUGINSDI...em.dll
windows10-2004-x64
3$PLUGINSDIR/bass.dll
windows7-x64
1$PLUGINSDIR/bass.dll
windows10-2004-x64
1$PROGRAMFI...ll.exe
windows7-x64
3$PROGRAMFI...ll.exe
windows10-2004-x64
3ExSCv3.chm
windows7-x64
1ExSCv3.chm
windows10-2004-x64
1Exsc.exe
windows7-x64
6Exsc.exe
windows10-2004-x64
6license.rtf
windows7-x64
4license.rtf
windows10-2004-x64
1umowa_licencyjna.rtf
windows7-x64
4umowa_licencyjna.rtf
windows10-2004-x64
6uninstall.exe
windows7-x64
3uninstall.exe
windows10-2004-x64
3Analysis
-
max time kernel
141s -
max time network
55s -
platform
windows10-2004_x64 -
resource
win10v2004-20240508-en -
resource tags
arch:x64arch:x86image:win10v2004-20240508-enlocale:en-usos:windows10-2004-x64system -
submitted
15-06-2024 00:47
Static task
static1
Behavioral task
behavioral1
Sample
aca83fffa69ba66a87440ce64302dda3bfdfebb1c33ba5c00e3b71eddb6f280c.exe
Resource
win7-20240508-en
Behavioral task
behavioral2
Sample
aca83fffa69ba66a87440ce64302dda3bfdfebb1c33ba5c00e3b71eddb6f280c.exe
Resource
win10v2004-20240508-en
Behavioral task
behavioral3
Sample
$PLUGINSDIR/AdvSplash.dll
Resource
win7-20240611-en
Behavioral task
behavioral4
Sample
$PLUGINSDIR/AdvSplash.dll
Resource
win10v2004-20240508-en
Behavioral task
behavioral5
Sample
$PLUGINSDIR/Bass.dll
Resource
win7-20240611-en
Behavioral task
behavioral6
Sample
$PLUGINSDIR/Bass.dll
Resource
win10v2004-20240611-en
Behavioral task
behavioral7
Sample
$PLUGINSDIR/GetVersion.dll
Resource
win7-20240508-en
Behavioral task
behavioral8
Sample
$PLUGINSDIR/GetVersion.dll
Resource
win10v2004-20240611-en
Behavioral task
behavioral9
Sample
$PLUGINSDIR/InstallOptions.dll
Resource
win7-20240611-en
Behavioral task
behavioral10
Sample
$PLUGINSDIR/InstallOptions.dll
Resource
win10v2004-20240508-en
Behavioral task
behavioral11
Sample
$PLUGINSDIR/NSIS_SkinCrafter_Plugin.dll
Resource
win7-20240221-en
Behavioral task
behavioral12
Sample
$PLUGINSDIR/NSIS_SkinCrafter_Plugin.dll
Resource
win10v2004-20240508-en
Behavioral task
behavioral13
Sample
$PLUGINSDIR/System.dll
Resource
win7-20231129-en
Behavioral task
behavioral14
Sample
$PLUGINSDIR/System.dll
Resource
win10v2004-20240611-en
Behavioral task
behavioral15
Sample
$PLUGINSDIR/bass.dll
Resource
win7-20240220-en
Behavioral task
behavioral16
Sample
$PLUGINSDIR/bass.dll
Resource
win10v2004-20240508-en
Behavioral task
behavioral17
Sample
$PROGRAMFILES/Wlodzimierz Grabowski/Extreme Sample Converter/uninstall.exe
Resource
win7-20240508-en
Behavioral task
behavioral18
Sample
$PROGRAMFILES/Wlodzimierz Grabowski/Extreme Sample Converter/uninstall.exe
Resource
win10v2004-20240508-en
Behavioral task
behavioral19
Sample
ExSCv3.chm
Resource
win7-20240221-en
Behavioral task
behavioral20
Sample
ExSCv3.chm
Resource
win10v2004-20240508-en
Behavioral task
behavioral21
Sample
Exsc.exe
Resource
win7-20240611-en
Behavioral task
behavioral22
Sample
Exsc.exe
Resource
win10v2004-20240508-en
Behavioral task
behavioral23
Sample
license.rtf
Resource
win7-20240611-en
Behavioral task
behavioral24
Sample
license.rtf
Resource
win10v2004-20240611-en
Behavioral task
behavioral25
Sample
umowa_licencyjna.rtf
Resource
win7-20240221-en
Behavioral task
behavioral26
Sample
umowa_licencyjna.rtf
Resource
win10v2004-20240508-en
Behavioral task
behavioral27
Sample
uninstall.exe
Resource
win7-20240508-en
Behavioral task
behavioral28
Sample
uninstall.exe
Resource
win10v2004-20240611-en
General
-
Target
Exsc.exe
-
Size
7.9MB
-
MD5
dba03fe050ccd6d8285f74037185225a
-
SHA1
16b6bd89c3deaab02fa1f0ddb1c4e50771822fc9
-
SHA256
dd40f84cc9b5cbe312bd5b032ce19222779ea35644fa55f5fc2117583fe2a427
-
SHA512
beb56a25b0351864aed7527dfc800ceb797319c08e357ef1e91508c28b039b97af83a1d9821a542cae0b2b29e2370c2facfd876390a1bec6c68f48537824f1ef
-
SSDEEP
49152:3QdmljjneamRMJENiMLSJ/dk3n+YJRrXLD2QN9hv8Lp8HJlcRTe+4GC15V4:Adk9JEwDalnrXLK2vV4h4GC15V
Malware Config
Signatures
-
Enumerates connected drives 3 TTPs 23 IoCs
Attempts to read the root path of hard drives other than the default C: drive.
Processes:
Exsc.exedescription ioc process File opened (read-only) \??\L: Exsc.exe File opened (read-only) \??\O: Exsc.exe File opened (read-only) \??\P: Exsc.exe File opened (read-only) \??\X: Exsc.exe File opened (read-only) \??\A: Exsc.exe File opened (read-only) \??\N: Exsc.exe File opened (read-only) \??\R: Exsc.exe File opened (read-only) \??\S: Exsc.exe File opened (read-only) \??\W: Exsc.exe File opened (read-only) \??\G: Exsc.exe File opened (read-only) \??\M: Exsc.exe File opened (read-only) \??\Q: Exsc.exe File opened (read-only) \??\T: Exsc.exe File opened (read-only) \??\V: Exsc.exe File opened (read-only) \??\Y: Exsc.exe File opened (read-only) \??\Z: Exsc.exe File opened (read-only) \??\H: Exsc.exe File opened (read-only) \??\E: Exsc.exe File opened (read-only) \??\I: Exsc.exe File opened (read-only) \??\J: Exsc.exe File opened (read-only) \??\K: Exsc.exe File opened (read-only) \??\U: Exsc.exe File opened (read-only) \??\B: Exsc.exe -
Writes to the Master Boot Record (MBR) 1 TTPs 1 IoCs
Bootkits write to the MBR to gain persistence at a level below the operating system.
Processes:
Exsc.exedescription ioc process File opened for modification \??\PhysicalDrive0 Exsc.exe