Overview
overview
10Static
static
3TaxOrganizer24.exe
windows7-x64
10TaxOrganizer24.exe
windows10-2004-x64
10libcrypto-1_1-x64.dll
windows7-x64
1libcrypto-1_1-x64.dll
windows10-2004-x64
1libcurl-4.dll
windows7-x64
1libcurl-4.dll
windows10-2004-x64
1libiconv-2.dll
windows7-x64
10libiconv-2.dll
windows10-2004-x64
10libintl-8.dll
windows7-x64
1libintl-8.dll
windows10-2004-x64
1libpcre2-8-0.dll
windows7-x64
1libpcre2-8-0.dll
windows10-2004-x64
1libssp-0.dll
windows7-x64
1libssp-0.dll
windows10-2004-x64
1msvcp144.dll
windows7-x64
4msvcp144.dll
windows10-2004-x64
4vcruntime211.dll
windows7-x64
1vcruntime211.dll
windows10-2004-x64
1zlib1.dll
windows7-x64
1zlib1.dll
windows10-2004-x64
1Analysis
-
max time kernel
148s -
max time network
142s -
platform
windows7_x64 -
resource
win7-20240903-en -
resource tags
arch:x64arch:x86image:win7-20240903-enlocale:en-usos:windows7-x64system -
submitted
06-02-2025 09:58
Static task
static1
1 signatures
Behavioral task
behavioral1
Sample
TaxOrganizer24.exe
Resource
win7-20240903-en
windows7-x64
9 signatures
150 seconds
Behavioral task
behavioral2
Sample
TaxOrganizer24.exe
Resource
win10v2004-20250129-en
windows10-2004-x64
8 signatures
150 seconds
Behavioral task
behavioral3
Sample
libcrypto-1_1-x64.dll
Resource
win7-20240903-en
windows7-x64
1 signatures
150 seconds
Behavioral task
behavioral4
Sample
libcrypto-1_1-x64.dll
Resource
win10v2004-20250129-en
windows10-2004-x64
0 signatures
150 seconds
Behavioral task
behavioral5
Sample
libcurl-4.dll
Resource
win7-20241023-en
windows7-x64
0 signatures
150 seconds
Behavioral task
behavioral6
Sample
libcurl-4.dll
Resource
win10v2004-20250129-en
windows10-2004-x64
0 signatures
150 seconds
Behavioral task
behavioral7
Sample
libiconv-2.dll
Resource
win7-20240903-en
windows7-x64
8 signatures
150 seconds
Behavioral task
behavioral8
Sample
libiconv-2.dll
Resource
win10v2004-20250129-en
windows10-2004-x64
7 signatures
150 seconds
Behavioral task
behavioral9
Sample
libintl-8.dll
Resource
win7-20240903-en
windows7-x64
0 signatures
150 seconds
Behavioral task
behavioral10
Sample
libintl-8.dll
Resource
win10v2004-20250129-en
windows10-2004-x64
0 signatures
150 seconds
Behavioral task
behavioral11
Sample
libpcre2-8-0.dll
Resource
win7-20240903-en
windows7-x64
1 signatures
150 seconds
Behavioral task
behavioral12
Sample
libpcre2-8-0.dll
Resource
win10v2004-20241007-en
windows10-2004-x64
0 signatures
150 seconds
Behavioral task
behavioral13
Sample
libssp-0.dll
Resource
win7-20241010-en
windows7-x64
1 signatures
150 seconds
Behavioral task
behavioral14
Sample
libssp-0.dll
Resource
win10v2004-20250129-en
windows10-2004-x64
0 signatures
150 seconds
Behavioral task
behavioral15
Sample
msvcp144.dll
Resource
win7-20240903-en
windows7-x64
2 signatures
150 seconds
Behavioral task
behavioral16
Sample
msvcp144.dll
Resource
win10v2004-20241007-en
windows10-2004-x64
2 signatures
150 seconds
Behavioral task
behavioral17
Sample
vcruntime211.dll
Resource
win7-20240903-en
windows7-x64
0 signatures
150 seconds
Behavioral task
behavioral18
Sample
vcruntime211.dll
Resource
win10v2004-20250129-en
windows10-2004-x64
0 signatures
150 seconds
Behavioral task
behavioral19
Sample
zlib1.dll
Resource
win7-20240903-en
windows7-x64
1 signatures
150 seconds
Behavioral task
behavioral20
Sample
zlib1.dll
Resource
win10v2004-20250129-en
windows10-2004-x64
0 signatures
150 seconds
General
-
Target
TaxOrganizer24.exe
-
Size
1.8MB
-
MD5
0d5c5d1e67e2005c868b2240746a5d1b
-
SHA1
6befe34c622a2935bee6efe97e0bc92ceabd1afe
-
SHA256
6a71daa9db62b37a175a620b7051c9cfda83baa817cf2ce47895e9d3b0d70788
-
SHA512
e08765509cf36404244756e27ffc2d632433b03374c44d918184c5f9500f1b58322fb4984e4e9e084ff4c0cfbd8bfa38390966c33e4efc6083f00e500247cdef
-
SSDEEP
49152:L2X7UMQYR9B5Mi5W5xCsfZUIVmT4VTd1lc:L+oMNsr9Jxi
Score
10/10
Malware Config
Extracted
Family
remcos
Botnet
RemoteHost
C2
bangerr.duckdns.org:1012
Attributes
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audio_folder
MicRecords
-
audio_path
ApplicationPath
-
audio_record_time
5
-
connect_delay
0
-
connect_interval
1
-
copy_file
remcos.exe
-
copy_folder
Remcos
-
delete_file
false
-
hide_file
false
-
hide_keylog_file
false
-
install_flag
false
-
keylog_crypt
false
-
keylog_file
logs.dat
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keylog_flag
false
-
keylog_folder
remcos
-
mouse_option
false
-
mutex
Rmc-Z95DP4
-
screenshot_crypt
false
-
screenshot_flag
false
-
screenshot_folder
Screenshots
-
screenshot_path
%AppData%
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screenshot_time
10
-
take_screenshot_option
false
-
take_screenshot_time
5
Signatures
-
Remcos family
-
Uses the VBS compiler for execution 1 TTPs
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Adds Run key to start application 2 TTPs 1 IoCs
description ioc Process Set value (str) \REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\TaxOrganizer24 = "cmd.exe /C start \"\" /D \"C:\\Windows\\Microsoft.NET\\Framework\\v4.0.30319\\RootServices\" \"C:\\Windows\\Microsoft.NET\\Framework\\v4.0.30319\\RootServices\\TaxOrganizer24.exe\"" reg.exe -
Suspicious use of SetThreadContext 1 IoCs
description pid Process procid_target PID 2448 set thread context of 2672 2448 TaxOrganizer24.exe 44 -
Drops file in Windows directory 47 IoCs
description ioc Process File created C:\Windows\Microsoft.NET\Framework\v4.0.30319\RootServices\jusched.log TaxOrganizer24.exe File created C:\Windows\Microsoft.NET\Framework\v4.0.30319\RootServices\libcrypto-1_1-x64.dll TaxOrganizer24.exe File created C:\Windows\Microsoft.NET\Framework\v4.0.30319\RootServices\libiconv-2.dll TaxOrganizer24.exe File created C:\Windows\Microsoft.NET\Framework\v4.0.30319\RootServices\libssp-0.dll TaxOrganizer24.exe File opened for modification C:\Windows\Microsoft.NET\Framework\v4.0.30319\RootServices TaxOrganizer24.exe File created C:\Windows\Microsoft.NET\Framework\v4.0.30319\RootServices\JavaDeployReg.log TaxOrganizer24.exe File created C:\Windows\Microsoft.NET\Framework\v4.0.30319\RootServices\dd_wcf_CA_smci_20240903_051547_336.txt TaxOrganizer24.exe File created C:\Windows\Microsoft.NET\Framework\v4.0.30319\RootServices\dd_wcf_CA_smci_20240903_051547_773.txt TaxOrganizer24.exe File created C:\Windows\Microsoft.NET\Framework\v4.0.30319\RootServices\lpksetup-20240903-052952-0.log TaxOrganizer24.exe File created C:\Windows\Microsoft.NET\Framework\v4.0.30319\RootServices\wmsetup.log TaxOrganizer24.exe File created C:\Windows\Microsoft.NET\Framework\v4.0.30319\RootServices\zlib1.dll TaxOrganizer24.exe File created C:\Windows\Microsoft.NET\Framework\v4.0.30319\RootServices\935330fd-4004-4f6a-8e7d-6f84b499f60b.tmp TaxOrganizer24.exe File created C:\Windows\Microsoft.NET\Framework\v4.0.30319\RootServices\dd_vcredistUI1E54.txt TaxOrganizer24.exe File created C:\Windows\Microsoft.NET\Framework\v4.0.30319\RootServices\Microsoft .NET Framework 4.7.2 Setup_20240903_051533842-MSI_netfx_Full_x64.msi.txt TaxOrganizer24.exe File opened for modification C:\Windows\Microsoft.NET\Framework\v4.0.30319\RootServices\6bb95d14-6008-45c6-854b-217ed10de34b.tmp TaxOrganizer24.exe File created C:\Windows\Microsoft.NET\Framework\v4.0.30319\RootServices\Kno8304.tmp TaxOrganizer24.exe File created C:\Windows\Microsoft.NET\Framework\v4.0.30319\RootServices\lpksetup-20240903-052458-0.log TaxOrganizer24.exe File created C:\Windows\Microsoft.NET\Framework\v4.0.30319\RootServices\RGI2D87.tmp TaxOrganizer24.exe File created C:\Windows\Microsoft.NET\Framework\v4.0.30319\RootServices\TaxOrganizer24.exe TaxOrganizer24.exe File created C:\Windows\Microsoft.NET\Framework\v4.0.30319\RootServices\dd_vcredistMSI1E54.txt TaxOrganizer24.exe File created C:\Windows\Microsoft.NET\Framework\v4.0.30319\RootServices\libcurl-4.dll TaxOrganizer24.exe File created C:\Windows\Microsoft.NET\Framework\v4.0.30319\RootServices\libpcre2-8-0.dll TaxOrganizer24.exe File created C:\Windows\Microsoft.NET\Framework\v4.0.30319\RootServices\lpksetup-20240903-052322-0.log TaxOrganizer24.exe File created C:\Windows\Microsoft.NET\Framework\v4.0.30319\RootServices\lpksetup-20240903-052812-0.log TaxOrganizer24.exe File created C:\Windows\Microsoft.NET\Framework\v4.0.30319\RootServices\RGI2D87.tmp-tmp TaxOrganizer24.exe File created C:\Windows\Microsoft.NET\Framework\v4.0.30319\RootServices\chrome_installer.log TaxOrganizer24.exe File created C:\Windows\Microsoft.NET\Framework\v4.0.30319\RootServices\FXSAPIDebugLogFile.txt TaxOrganizer24.exe File created C:\Windows\Microsoft.NET\Framework\v4.0.30319\RootServices\msvcp144.dll TaxOrganizer24.exe File created C:\Windows\Microsoft.NET\Framework\v4.0.30319\RootServices\ose00000.exe TaxOrganizer24.exe File created C:\Windows\Microsoft.NET\Framework\v4.0.30319\RootServices\RD2F97.tmp TaxOrganizer24.exe File created C:\Windows\Microsoft.NET\Framework\v4.0.30319\RootServices\dd_SetupUtility.txt TaxOrganizer24.exe File created C:\Windows\Microsoft.NET\Framework\v4.0.30319\RootServices\jawshtml.html TaxOrganizer24.exe File created C:\Windows\Microsoft.NET\Framework\v4.0.30319\RootServices\java_install_reg.log TaxOrganizer24.exe File created C:\Windows\Microsoft.NET\Framework\v4.0.30319\RootServices\lpksetup-20240903-052630-0.log TaxOrganizer24.exe File created C:\Windows\Microsoft.NET\Framework\v4.0.30319\RootServices\SetupExe(202409030519157D8).log TaxOrganizer24.exe File created C:\Windows\Microsoft.NET\Framework\v4.0.30319\RootServices\6bb95d14-6008-45c6-854b-217ed10de34b.tmp TaxOrganizer24.exe File created C:\Windows\Microsoft.NET\Framework\v4.0.30319\RootServices\java_install.log TaxOrganizer24.exe File created C:\Windows\Microsoft.NET\Framework\v4.0.30319\RootServices\ASPNETSetup_00001.log TaxOrganizer24.exe File created C:\Windows\Microsoft.NET\Framework\v4.0.30319\RootServices\dd_NDP472-KB4054530-x86-x64-AllOS-ENU_decompression_log.txt TaxOrganizer24.exe File created C:\Windows\Microsoft.NET\Framework\v4.0.30319\RootServices\dd_vcredistMSI1E19.txt TaxOrganizer24.exe File created C:\Windows\Microsoft.NET\Framework\v4.0.30319\RootServices\dd_vcredistUI1E19.txt TaxOrganizer24.exe File created C:\Windows\Microsoft.NET\Framework\v4.0.30319\RootServices\Kno55CF.tmp TaxOrganizer24.exe File created C:\Windows\Microsoft.NET\Framework\v4.0.30319\RootServices\libintl-8.dll TaxOrganizer24.exe File created C:\Windows\Microsoft.NET\Framework\v4.0.30319\RootServices\Admin.bmp TaxOrganizer24.exe File created C:\Windows\Microsoft.NET\Framework\v4.0.30319\RootServices\ASPNETSetup_00000.log TaxOrganizer24.exe File created C:\Windows\Microsoft.NET\Framework\v4.0.30319\RootServices\Microsoft .NET Framework 4.7.2 Setup_20240903_051533842.html TaxOrganizer24.exe File created C:\Windows\Microsoft.NET\Framework\v4.0.30319\RootServices\vcruntime211.dll TaxOrganizer24.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.
description ioc Process Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language wmplayer.exe -
Suspicious use of AdjustPrivilegeToken 1 IoCs
description pid Process Token: SeDebugPrivilege 2448 TaxOrganizer24.exe -
Suspicious use of WriteProcessMemory 64 IoCs
description pid Process procid_target PID 2448 wrote to memory of 2900 2448 TaxOrganizer24.exe 31 PID 2448 wrote to memory of 2900 2448 TaxOrganizer24.exe 31 PID 2448 wrote to memory of 2900 2448 TaxOrganizer24.exe 31 PID 2900 wrote to memory of 2924 2900 cmd.exe 33 PID 2900 wrote to memory of 2924 2900 cmd.exe 33 PID 2900 wrote to memory of 2924 2900 cmd.exe 33 PID 2924 wrote to memory of 2956 2924 cmd.exe 34 PID 2924 wrote to memory of 2956 2924 cmd.exe 34 PID 2924 wrote to memory of 2956 2924 cmd.exe 34 PID 2448 wrote to memory of 2896 2448 TaxOrganizer24.exe 35 PID 2448 wrote to memory of 2896 2448 TaxOrganizer24.exe 35 PID 2448 wrote to memory of 2896 2448 TaxOrganizer24.exe 35 PID 2448 wrote to memory of 2896 2448 TaxOrganizer24.exe 35 PID 2448 wrote to memory of 2896 2448 TaxOrganizer24.exe 35 PID 2448 wrote to memory of 2896 2448 TaxOrganizer24.exe 35 PID 2448 wrote to memory of 2896 2448 TaxOrganizer24.exe 35 PID 2448 wrote to memory of 2896 2448 TaxOrganizer24.exe 35 PID 2448 wrote to memory of 2896 2448 TaxOrganizer24.exe 35 PID 2448 wrote to memory of 2896 2448 TaxOrganizer24.exe 35 PID 2448 wrote to memory of 2628 2448 TaxOrganizer24.exe 36 PID 2448 wrote to memory of 2628 2448 TaxOrganizer24.exe 36 PID 2448 wrote to memory of 2628 2448 TaxOrganizer24.exe 36 PID 2448 wrote to memory of 2628 2448 TaxOrganizer24.exe 36 PID 2448 wrote to memory of 1048 2448 TaxOrganizer24.exe 37 PID 2448 wrote to memory of 1048 2448 TaxOrganizer24.exe 37 PID 2448 wrote to memory of 1048 2448 TaxOrganizer24.exe 37 PID 2448 wrote to memory of 1048 2448 TaxOrganizer24.exe 37 PID 2448 wrote to memory of 3036 2448 TaxOrganizer24.exe 38 PID 2448 wrote to memory of 3036 2448 TaxOrganizer24.exe 38 PID 2448 wrote to memory of 3036 2448 TaxOrganizer24.exe 38 PID 2448 wrote to memory of 3036 2448 TaxOrganizer24.exe 38 PID 2448 wrote to memory of 2736 2448 TaxOrganizer24.exe 39 PID 2448 wrote to memory of 2736 2448 TaxOrganizer24.exe 39 PID 2448 wrote to memory of 2736 2448 TaxOrganizer24.exe 39 PID 2448 wrote to memory of 2736 2448 TaxOrganizer24.exe 39 PID 2448 wrote to memory of 2736 2448 TaxOrganizer24.exe 39 PID 2448 wrote to memory of 2736 2448 TaxOrganizer24.exe 39 PID 2448 wrote to memory of 2736 2448 TaxOrganizer24.exe 39 PID 2448 wrote to memory of 2736 2448 TaxOrganizer24.exe 39 PID 2448 wrote to memory of 2736 2448 TaxOrganizer24.exe 39 PID 2448 wrote to memory of 2736 2448 TaxOrganizer24.exe 39 PID 2448 wrote to memory of 2800 2448 TaxOrganizer24.exe 40 PID 2448 wrote to memory of 2800 2448 TaxOrganizer24.exe 40 PID 2448 wrote to memory of 2800 2448 TaxOrganizer24.exe 40 PID 2448 wrote to memory of 2800 2448 TaxOrganizer24.exe 40 PID 2448 wrote to memory of 2800 2448 TaxOrganizer24.exe 40 PID 2448 wrote to memory of 2800 2448 TaxOrganizer24.exe 40 PID 2448 wrote to memory of 2800 2448 TaxOrganizer24.exe 40 PID 2448 wrote to memory of 2800 2448 TaxOrganizer24.exe 40 PID 2448 wrote to memory of 2800 2448 TaxOrganizer24.exe 40 PID 2448 wrote to memory of 2788 2448 TaxOrganizer24.exe 41 PID 2448 wrote to memory of 2788 2448 TaxOrganizer24.exe 41 PID 2448 wrote to memory of 2788 2448 TaxOrganizer24.exe 41 PID 2448 wrote to memory of 2788 2448 TaxOrganizer24.exe 41 PID 2448 wrote to memory of 2788 2448 TaxOrganizer24.exe 41 PID 2448 wrote to memory of 2788 2448 TaxOrganizer24.exe 41 PID 2448 wrote to memory of 2788 2448 TaxOrganizer24.exe 41 PID 2448 wrote to memory of 2788 2448 TaxOrganizer24.exe 41 PID 2448 wrote to memory of 2788 2448 TaxOrganizer24.exe 41 PID 2448 wrote to memory of 2616 2448 TaxOrganizer24.exe 42 PID 2448 wrote to memory of 2616 2448 TaxOrganizer24.exe 42 PID 2448 wrote to memory of 2616 2448 TaxOrganizer24.exe 42 PID 2448 wrote to memory of 2616 2448 TaxOrganizer24.exe 42 PID 2448 wrote to memory of 2616 2448 TaxOrganizer24.exe 42
Processes
-
C:\Users\Admin\AppData\Local\Temp\TaxOrganizer24.exe"C:\Users\Admin\AppData\Local\Temp\TaxOrganizer24.exe"1⤵
- Suspicious use of SetThreadContext
- Drops file in Windows directory
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:2448 -
C:\Windows\system32\cmd.exe"cmd.exe" /C cmd.exe /C reg add "HKLM\Software\Microsoft\Windows\CurrentVersion\Run" /v "TaxOrganizer24" /t REG_SZ /d "cmd.exe /C start \"\" /D \"C:\Windows\Microsoft.NET\Framework\v4.0.30319\RootServices\" \"C:\Windows\Microsoft.NET\Framework\v4.0.30319\RootServices\TaxOrganizer24.exe\"" /f2⤵
- Suspicious use of WriteProcessMemory
PID:2900 -
C:\Windows\system32\cmd.execmd.exe /C reg add "HKLM\Software\Microsoft\Windows\CurrentVersion\Run" /v "TaxOrganizer24" /t REG_SZ /d "cmd.exe /C start \"\" /D \"C:\Windows\Microsoft.NET\Framework\v4.0.30319\RootServices\" \"C:\Windows\Microsoft.NET\Framework\v4.0.30319\RootServices\TaxOrganizer24.exe\"" /f3⤵
- Suspicious use of WriteProcessMemory
PID:2924 -
C:\Windows\system32\reg.exereg add "HKLM\Software\Microsoft\Windows\CurrentVersion\Run" /v "TaxOrganizer24" /t REG_SZ /d "cmd.exe /C start \"\" /D \"C:\Windows\Microsoft.NET\Framework\v4.0.30319\RootServices\" \"C:\Windows\Microsoft.NET\Framework\v4.0.30319\RootServices\TaxOrganizer24.exe\"" /f4⤵
- Adds Run key to start application
PID:2956
-
-
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C:\Windows\Microsoft.NET\Framework\v4.0.30319\aspnet_wp.exe"C:\Windows\Microsoft.NET\Framework\v4.0.30319\aspnet_wp.exe"2⤵PID:2896
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C:\Windows\Microsoft.NET\Framework\v4.0.30319\csc.exe"C:\Windows\Microsoft.NET\Framework\v4.0.30319\csc.exe"2⤵PID:2628
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C:\Windows\Microsoft.NET\Framework\v4.0.30319\ilasm.exe"C:\Windows\Microsoft.NET\Framework\v4.0.30319\ilasm.exe"2⤵PID:1048
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C:\Windows\Microsoft.NET\Framework\v4.0.30319\vbc.exe"C:\Windows\Microsoft.NET\Framework\v4.0.30319\vbc.exe"2⤵PID:3036
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C:\Windows\Microsoft.NET\Framework\v4.0.30319\ngen.exe"C:\Windows\Microsoft.NET\Framework\v4.0.30319\ngen.exe"2⤵PID:2736
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C:\Windows\System32\calc.exe"C:\Windows\System32\calc.exe"2⤵PID:2800
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C:\Windows\System32\svchost.exe"C:\Windows\System32\svchost.exe"2⤵PID:2788
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C:\Windows\System32\cmd.exe"C:\Windows\System32\cmd.exe"2⤵PID:2616
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C:\Windows\System32\notepad.exe"C:\Windows\System32\notepad.exe"2⤵PID:2696
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C:\Program Files (x86)\Windows Media Player\wmplayer.exe"C:\Program Files (x86)\Windows Media Player\wmplayer.exe"2⤵
- System Location Discovery: System Language Discovery
PID:2672
-