Overview
overview
10Static
static
3ReturnThie....0.exe
windows7-x64
7ReturnThie....0.exe
windows10-2004-x64
8$PLUGINSDI...er.dll
windows7-x64
3$PLUGINSDI...er.dll
windows10-2004-x64
3$PLUGINSDI...ls.dll
windows7-x64
3$PLUGINSDI...ls.dll
windows10-2004-x64
3$PLUGINSDI...em.dll
windows7-x64
3$PLUGINSDI...em.dll
windows10-2004-x64
3$PLUGINSDI...ll.dll
windows7-x64
3$PLUGINSDI...ll.dll
windows10-2004-x64
3$PLUGINSDIR/app-64.7z
windows7-x64
7$PLUGINSDIR/app-64.7z
windows10-2004-x64
8LICENSES.c...m.html
windows7-x64
3LICENSES.c...m.html
windows10-2004-x64
3ReturnThief.exe
windows7-x64
1ReturnThief.exe
windows10-2004-x64
d3dcompiler_47.dll
windows10-2004-x64
1ffmpeg.dll
windows7-x64
1ffmpeg.dll
windows10-2004-x64
1libEGL.dll
windows7-x64
1libEGL.dll
windows10-2004-x64
1libGLESv2.dll
windows7-x64
1libGLESv2.dll
windows10-2004-x64
1locales/af.ps1
windows7-x64
3locales/af.ps1
windows10-2004-x64
3locales/en-US.pak
windows7-x64
3locales/en-US.pak
windows10-2004-x64
3locales/uk.ps1
windows7-x64
3locales/uk.ps1
windows10-2004-x64
3resources.pak
windows7-x64
3resources.pak
windows10-2004-x64
3resources/app.asar
windows7-x64
3Analysis
-
max time kernel
118s -
max time network
122s -
platform
windows7_x64 -
resource
win7-20240903-en -
resource tags
arch:x64arch:x86image:win7-20240903-enlocale:en-usos:windows7-x64system -
submitted
13-11-2024 20:09
Static task
static1
Behavioral task
behavioral1
Sample
ReturnThief Setup 1.0.0.exe
Resource
win7-20240903-en
Behavioral task
behavioral2
Sample
ReturnThief Setup 1.0.0.exe
Resource
win10v2004-20241007-en
Behavioral task
behavioral3
Sample
$PLUGINSDIR/SpiderBanner.dll
Resource
win7-20240903-en
Behavioral task
behavioral4
Sample
$PLUGINSDIR/SpiderBanner.dll
Resource
win10v2004-20241007-en
Behavioral task
behavioral5
Sample
$PLUGINSDIR/StdUtils.dll
Resource
win7-20240903-en
Behavioral task
behavioral6
Sample
$PLUGINSDIR/StdUtils.dll
Resource
win10v2004-20241007-en
Behavioral task
behavioral7
Sample
$PLUGINSDIR/System.dll
Resource
win7-20241010-en
Behavioral task
behavioral8
Sample
$PLUGINSDIR/System.dll
Resource
win10v2004-20241007-en
Behavioral task
behavioral9
Sample
$PLUGINSDIR/WinShell.dll
Resource
win7-20240903-en
Behavioral task
behavioral10
Sample
$PLUGINSDIR/WinShell.dll
Resource
win10v2004-20241007-en
Behavioral task
behavioral11
Sample
$PLUGINSDIR/app-64.7z
Resource
win7-20240729-en
Behavioral task
behavioral12
Sample
$PLUGINSDIR/app-64.7z
Resource
win10v2004-20241007-en
Behavioral task
behavioral13
Sample
LICENSES.chromium.html
Resource
win7-20241010-en
Behavioral task
behavioral14
Sample
LICENSES.chromium.html
Resource
win10v2004-20241007-en
Behavioral task
behavioral15
Sample
ReturnThief.exe
Resource
win7-20240903-en
Behavioral task
behavioral16
Sample
ReturnThief.exe
Resource
win10v2004-20241007-en
Behavioral task
behavioral17
Sample
d3dcompiler_47.dll
Resource
win10v2004-20241007-en
Behavioral task
behavioral18
Sample
ffmpeg.dll
Resource
win7-20240903-en
Behavioral task
behavioral19
Sample
ffmpeg.dll
Resource
win10v2004-20241007-en
Behavioral task
behavioral20
Sample
libEGL.dll
Resource
win7-20241010-en
Behavioral task
behavioral21
Sample
libEGL.dll
Resource
win10v2004-20241007-en
Behavioral task
behavioral22
Sample
libGLESv2.dll
Resource
win7-20240903-en
Behavioral task
behavioral23
Sample
libGLESv2.dll
Resource
win10v2004-20241007-en
Behavioral task
behavioral24
Sample
locales/af.ps1
Resource
win7-20240903-en
Behavioral task
behavioral25
Sample
locales/af.ps1
Resource
win10v2004-20241007-en
Behavioral task
behavioral26
Sample
locales/en-US.pak
Resource
win7-20240903-en
Behavioral task
behavioral27
Sample
locales/en-US.pak
Resource
win10v2004-20241007-en
Behavioral task
behavioral28
Sample
locales/uk.ps1
Resource
win7-20240708-en
Behavioral task
behavioral29
Sample
locales/uk.ps1
Resource
win10v2004-20241007-en
Behavioral task
behavioral30
Sample
resources.pak
Resource
win7-20240903-en
Behavioral task
behavioral31
Sample
resources.pak
Resource
win10v2004-20241007-en
Behavioral task
behavioral32
Sample
resources/app.asar
Resource
win7-20240903-en
General
-
Target
$PLUGINSDIR/WinShell.dll
-
Size
3KB
-
MD5
1cc7c37b7e0c8cd8bf04b6cc283e1e56
-
SHA1
0b9519763be6625bd5abce175dcc59c96d100d4c
-
SHA256
9be85b986ea66a6997dde658abe82b3147ed2a1a3dcb784bb5176f41d22815a6
-
SHA512
7acf7f8e68aa6066b59ca9f2ae2e67997e6b347bc08eb788d2a119b3295c844b5b9606757168e8d2fbd61c2cda367bf80e9e48c9a52c28d5a7a00464bfd2048f
Malware Config
Signatures
-
Program crash 1 IoCs
Processes:
WerFault.exepid pid_target process target process 2360 2660 WerFault.exe rundll32.exe -
System Location Discovery: System Language Discovery 1 TTPs 1 IoCs
Attempt gather information about the system language of a victim in order to infer the geographical location of that host.
Processes:
rundll32.exedescription ioc process Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language rundll32.exe -
Suspicious use of WriteProcessMemory 11 IoCs
Processes:
rundll32.exerundll32.exedescription pid process target process PID 1388 wrote to memory of 2660 1388 rundll32.exe rundll32.exe PID 1388 wrote to memory of 2660 1388 rundll32.exe rundll32.exe PID 1388 wrote to memory of 2660 1388 rundll32.exe rundll32.exe PID 1388 wrote to memory of 2660 1388 rundll32.exe rundll32.exe PID 1388 wrote to memory of 2660 1388 rundll32.exe rundll32.exe PID 1388 wrote to memory of 2660 1388 rundll32.exe rundll32.exe PID 1388 wrote to memory of 2660 1388 rundll32.exe rundll32.exe PID 2660 wrote to memory of 2360 2660 rundll32.exe WerFault.exe PID 2660 wrote to memory of 2360 2660 rundll32.exe WerFault.exe PID 2660 wrote to memory of 2360 2660 rundll32.exe WerFault.exe PID 2660 wrote to memory of 2360 2660 rundll32.exe WerFault.exe
Processes
-
C:\Windows\system32\rundll32.exerundll32.exe C:\Users\Admin\AppData\Local\Temp\$PLUGINSDIR\WinShell.dll,#11⤵
- Suspicious use of WriteProcessMemory
PID:1388 -
C:\Windows\SysWOW64\rundll32.exerundll32.exe C:\Users\Admin\AppData\Local\Temp\$PLUGINSDIR\WinShell.dll,#12⤵
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:2660 -
C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -u -p 2660 -s 2203⤵
- Program crash
PID:2360
-
-