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
163s -
max time network
150s -
platform
windows7_x64 -
resource
win7-20240729-en -
resource tags
arch:x64arch:x86image:win7-20240729-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/app-64.7z
-
Size
82.3MB
-
MD5
cb1ba9cbec946e070330bf6b7ea9fcec
-
SHA1
7440ce7c460cc6e8bc485be748064cde35f0d178
-
SHA256
f3712d37b10e45146d0f2e60d7694e1e81339bff472dace653fc1d0b00089783
-
SHA512
0d31b8d2fe90ff4636a7eda96eac1809a1c88039781cb32c8d6d5b49e93f631287876f68694e238de07dfb23177526c75e369d3d4171ab24e96cfd28506556ae
-
SSDEEP
1572864:NJ39Kk9MaLcLAeydx32B8ceyIS7nqYdd6hIExeIg6q7BMn:Mk9MaLC//vP7nMxeIg6WMn
Malware Config
Signatures
-
Executes dropped EXE 3 IoCs
Processes:
ReturnThief.exeReturnThief.exeReturnThief.exepid process 2980 ReturnThief.exe 2648 ReturnThief.exe 2948 ReturnThief.exe -
Loads dropped DLL 9 IoCs
Processes:
7zFM.exepid process 2324 7zFM.exe 2324 7zFM.exe 1252 1252 1252 1252 1252 1252 1252 -
Suspicious behavior: EnumeratesProcesses 2 IoCs
Processes:
7zFM.exepid process 2324 7zFM.exe 2324 7zFM.exe -
Suspicious behavior: GetForegroundWindowSpam 1 IoCs
Processes:
7zFM.exepid process 2324 7zFM.exe -
Suspicious use of AdjustPrivilegeToken 6 IoCs
Processes:
7zFM.exedescription pid process Token: SeRestorePrivilege 2324 7zFM.exe Token: 35 2324 7zFM.exe Token: SeSecurityPrivilege 2324 7zFM.exe Token: SeSecurityPrivilege 2324 7zFM.exe Token: SeSecurityPrivilege 2324 7zFM.exe Token: SeSecurityPrivilege 2324 7zFM.exe -
Suspicious use of FindShellTrayWindow 5 IoCs
Processes:
7zFM.exepid process 2324 7zFM.exe 2324 7zFM.exe 2324 7zFM.exe 2324 7zFM.exe 2324 7zFM.exe -
Suspicious use of WriteProcessMemory 6 IoCs
Processes:
7zFM.exedescription pid process target process PID 2324 wrote to memory of 2980 2324 7zFM.exe ReturnThief.exe PID 2324 wrote to memory of 2980 2324 7zFM.exe ReturnThief.exe PID 2324 wrote to memory of 2980 2324 7zFM.exe ReturnThief.exe PID 2324 wrote to memory of 2648 2324 7zFM.exe ReturnThief.exe PID 2324 wrote to memory of 2648 2324 7zFM.exe ReturnThief.exe PID 2324 wrote to memory of 2648 2324 7zFM.exe ReturnThief.exe
Processes
-
C:\Program Files\7-Zip\7zFM.exe"C:\Program Files\7-Zip\7zFM.exe" "C:\Users\Admin\AppData\Local\Temp\$PLUGINSDIR\app-64.7z"1⤵
- Loads dropped DLL
- Suspicious behavior: EnumeratesProcesses
- Suspicious behavior: GetForegroundWindowSpam
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of FindShellTrayWindow
- Suspicious use of WriteProcessMemory
PID:2324 -
C:\Users\Admin\AppData\Local\Temp\7zO419676E8\ReturnThief.exe"C:\Users\Admin\AppData\Local\Temp\7zO419676E8\ReturnThief.exe"2⤵
- Executes dropped EXE
PID:2980
-
-
C:\Users\Admin\AppData\Local\Temp\7zO419E2029\ReturnThief.exe"C:\Users\Admin\AppData\Local\Temp\7zO419E2029\ReturnThief.exe"2⤵
- Executes dropped EXE
PID:2648
-
-
C:\Users\Admin\Desktop\ReturnThief.exe"C:\Users\Admin\Desktop\ReturnThief.exe"1⤵
- Executes dropped EXE
PID:2948