Overview
overview
7Static
static
354992b2e59...b0.exe
windows7-x64
754992b2e59...b0.exe
windows10-2004-x64
7$PLUGINSDI...RL.dll
windows7-x64
3$PLUGINSDI...RL.dll
windows10-2004-x64
3$PLUGINSDI...se.dll
windows7-x64
3$PLUGINSDI...se.dll
windows10-2004-x64
3$PLUGINSDI...se.rtf
windows7-x64
4$PLUGINSDI...se.rtf
windows10-2004-x64
1$PLUGINSDI...ub.exe
windows7-x64
7$PLUGINSDI...ub.exe
windows10-2004-x64
7$PLUGINSDI...LL.dll
windows7-x64
3$PLUGINSDI...LL.dll
windows10-2004-x64
3$PLUGINSDI...on.dll
windows7-x64
3$PLUGINSDI...on.dll
windows10-2004-x64
3$PLUGINSDIR/Math.dll
windows7-x64
3$PLUGINSDIR/Math.dll
windows10-2004-x64
3$PLUGINSDI...em.dll
windows7-x64
3$PLUGINSDI...em.dll
windows10-2004-x64
3$PLUGINSDI...fo.dll
windows7-x64
3$PLUGINSDI...fo.dll
windows10-2004-x64
3$PLUGINSDI...se.rtf
windows7-x64
4$PLUGINSDI...se.rtf
windows10-2004-x64
1$PLUGINSDI...se.rtf
windows7-x64
4$PLUGINSDI...se.rtf
windows10-2004-x64
6$PLUGINSDI...ib.dll
windows7-x64
3$PLUGINSDI...ib.dll
windows10-2004-x64
3$PLUGINSDI...se.rtf
windows7-x64
4$PLUGINSDI...se.rtf
windows10-2004-x64
1$PLUGINSDI...vo.rtf
windows7-x64
4$PLUGINSDI...vo.rtf
windows10-2004-x64
1$PLUGINSDI...de.rtf
windows7-x64
4$PLUGINSDI...de.rtf
windows10-2004-x64
1Analysis
-
max time kernel
144s -
max time network
147s -
platform
windows10-2004_x64 -
resource
win10v2004-20231215-en -
resource tags
arch:x64arch:x86image:win10v2004-20231215-enlocale:en-usos:windows10-2004-x64system -
submitted
11-01-2024 21:16
Static task
static1
Behavioral task
behavioral1
Sample
54992b2e59d01aba400012d8169764b0.exe
Resource
win7-20231215-en
Behavioral task
behavioral2
Sample
54992b2e59d01aba400012d8169764b0.exe
Resource
win10v2004-20231215-en
Behavioral task
behavioral3
Sample
$PLUGINSDIR/BrandingURL.dll
Resource
win7-20231129-en
Behavioral task
behavioral4
Sample
$PLUGINSDIR/BrandingURL.dll
Resource
win10v2004-20231222-en
Behavioral task
behavioral5
Sample
$PLUGINSDIR/CustomLicense.dll
Resource
win7-20231215-en
Behavioral task
behavioral6
Sample
$PLUGINSDIR/CustomLicense.dll
Resource
win10v2004-20231222-en
Behavioral task
behavioral7
Sample
$PLUGINSDIR/DefaultTab_license.rtf
Resource
win7-20231129-en
Behavioral task
behavioral8
Sample
$PLUGINSDIR/DefaultTab_license.rtf
Resource
win10v2004-20231215-en
Behavioral task
behavioral9
Sample
$PLUGINSDIR/DualStub.exe
Resource
win7-20231129-en
Behavioral task
behavioral10
Sample
$PLUGINSDIR/DualStub.exe
Resource
win10v2004-20231215-en
Behavioral task
behavioral11
Sample
$PLUGINSDIR/FindProcDLL.dll
Resource
win7-20231215-en
Behavioral task
behavioral12
Sample
$PLUGINSDIR/FindProcDLL.dll
Resource
win10v2004-20231222-en
Behavioral task
behavioral13
Sample
$PLUGINSDIR/GetVersion.dll
Resource
win7-20231215-en
Behavioral task
behavioral14
Sample
$PLUGINSDIR/GetVersion.dll
Resource
win10v2004-20231222-en
Behavioral task
behavioral15
Sample
$PLUGINSDIR/Math.dll
Resource
win7-20231215-en
Behavioral task
behavioral16
Sample
$PLUGINSDIR/Math.dll
Resource
win10v2004-20231215-en
Behavioral task
behavioral17
Sample
$PLUGINSDIR/System.dll
Resource
win7-20231215-en
Behavioral task
behavioral18
Sample
$PLUGINSDIR/System.dll
Resource
win10v2004-20231215-en
Behavioral task
behavioral19
Sample
$PLUGINSDIR/UserInfo.dll
Resource
win7-20231215-en
Behavioral task
behavioral20
Sample
$PLUGINSDIR/UserInfo.dll
Resource
win10v2004-20231215-en
Behavioral task
behavioral21
Sample
$PLUGINSDIR/frg_license.rtf
Resource
win7-20231215-en
Behavioral task
behavioral22
Sample
$PLUGINSDIR/frg_license.rtf
Resource
win10v2004-20231222-en
Behavioral task
behavioral23
Sample
$PLUGINSDIR/gc_license.rtf
Resource
win7-20231129-en
Behavioral task
behavioral24
Sample
$PLUGINSDIR/gc_license.rtf
Resource
win10v2004-20231215-en
Behavioral task
behavioral25
Sample
$PLUGINSDIR/intlib.dll
Resource
win7-20231215-en
Behavioral task
behavioral26
Sample
$PLUGINSDIR/intlib.dll
Resource
win10v2004-20231215-en
Behavioral task
behavioral27
Sample
$PLUGINSDIR/jp_license.rtf
Resource
win7-20231215-en
Behavioral task
behavioral28
Sample
$PLUGINSDIR/jp_license.rtf
Resource
win10v2004-20231222-en
Behavioral task
behavioral29
Sample
$PLUGINSDIR/license_Ciuvo.rtf
Resource
win7-20231215-en
Behavioral task
behavioral30
Sample
$PLUGINSDIR/license_Ciuvo.rtf
Resource
win10v2004-20231215-en
Behavioral task
behavioral31
Sample
$PLUGINSDIR/license_Ciuvo_de.rtf
Resource
win7-20231215-en
Behavioral task
behavioral32
Sample
$PLUGINSDIR/license_Ciuvo_de.rtf
Resource
win10v2004-20231215-en
General
-
Target
$PLUGINSDIR/gc_license.rtf
-
Size
14KB
-
MD5
5190bd8d892384b72d0a7f5eb4364eb0
-
SHA1
4960e2af31f9dc90f6c8f864b8fb865150e76e97
-
SHA256
cd47392546a0b63061e33a431debd341f21755d794b59d14b6272ae895725db3
-
SHA512
718bd94078f78f074d6dee299aadd12041e1b7cee9a51aa8ce320477845d627259da76239ac1f10a87dd90135c1a9c83f65ddd6dc1eac4d18ef210a3cd2b6295
-
SSDEEP
384:PMxEXYxvXulMRXk///JGGl/q7yJQCTLDJTLSjYC12xx:VXYx2lW0/3JGGl/q76QCTPJTWYC12xx
Malware Config
Signatures
-
Process spawned suspicious child process 1 IoCs
This child process is typically not spawned unless (for example) the parent process crashes. This typically indicates the parent process was unsuccessfully compromised.
description pid pid_target Process procid_target Parent C:\Program Files\Microsoft Office\Root\Office16\WINWORD.EXE is not expected to spawn this process 4828 2568 DW20.EXE 57 -
Checks processor information in registry 2 TTPs 3 IoCs
Processor information is often read in order to detect sandboxing environments.
description ioc Process Key value queried \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0\~MHz dwwin.exe Key value queried \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0\ProcessorNameString dwwin.exe Key opened \REGISTRY\MACHINE\Hardware\Description\System\CentralProcessor\0 dwwin.exe -
Enumerates system info in registry 2 TTPs 2 IoCs
description ioc Process Key opened \REGISTRY\MACHINE\Hardware\Description\System\BIOS dwwin.exe Key value queried \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\BIOS\SystemSKU dwwin.exe -
Suspicious behavior: AddClipboardFormatListener 2 IoCs
pid Process 2568 WINWORD.EXE 2568 WINWORD.EXE -
Suspicious behavior: EnumeratesProcesses 4 IoCs
pid Process 2568 WINWORD.EXE 2568 WINWORD.EXE 2568 WINWORD.EXE 2568 WINWORD.EXE -
Suspicious use of SetWindowsHookEx 2 IoCs
pid Process 2568 WINWORD.EXE 2568 WINWORD.EXE -
Suspicious use of WriteProcessMemory 4 IoCs
description pid Process procid_target PID 2568 wrote to memory of 4828 2568 WINWORD.EXE 92 PID 2568 wrote to memory of 4828 2568 WINWORD.EXE 92 PID 4828 wrote to memory of 228 4828 DW20.EXE 90 PID 4828 wrote to memory of 228 4828 DW20.EXE 90
Processes
-
C:\Program Files\Microsoft Office\Root\Office16\WINWORD.EXE"C:\Program Files\Microsoft Office\Root\Office16\WINWORD.EXE" /n "C:\Users\Admin\AppData\Local\Temp\$PLUGINSDIR\gc_license.rtf" /o ""1⤵
- Suspicious behavior: AddClipboardFormatListener
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:2568 -
C:\Program Files\Microsoft Office\root\vfs\ProgramFilesCommonX64\Microsoft Shared\DW\DW20.EXE"C:\Program Files\Microsoft Office\root\vfs\ProgramFilesCommonX64\Microsoft Shared\DW\DW20.EXE" -x -s 24762⤵
- Process spawned suspicious child process
- Suspicious use of WriteProcessMemory
PID:4828
-
-
C:\Windows\system32\dwwin.exeC:\Windows\system32\dwwin.exe -x -s 24761⤵
- Checks processor information in registry
- Enumerates system info in registry
PID:228