Analysis
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max time kernel
104s -
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
17-01-2025 14:12
Static task
static1
Behavioral task
behavioral1
Sample
OUTSTANDING PAYMENT REQUEST.exe
Resource
win7-20240903-en
Behavioral task
behavioral2
Sample
OUTSTANDING PAYMENT REQUEST.exe
Resource
win10v2004-20241007-en
General
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Target
OUTSTANDING PAYMENT REQUEST.exe
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Size
1.2MB
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MD5
78969cbcca783c376160309a00ec4e2a
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SHA1
851b49ba65b73f98b8ca4d308589d6023817d3a9
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SHA256
df43f86a6dd300e47ac8d57aeb24bb4037165fcbff954d91379773474e2481f2
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SHA512
7d0892a5b1967b4c89e3a8a42060b23e63d72dd076a26ffb6944e803fa1fb8373edc4bb589abc64eb8201dbfad07e12abb65e99ec6b270e265de62be504dff02
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SSDEEP
24576:uRmJkcoQricOIQxiZY1iaCmE+yhEDXCUna4Ja0lkZQ/42NB:7JZoQrbTFZY1iaCmlfyUnVJa0la2P
Malware Config
Extracted
Protocol: smtp- Host:
us2.smtp.mailhostbox.com - Port:
587 - Username:
[email protected] - Password:
cash@com12345
Extracted
vipkeylogger
Protocol: smtp- Host:
us2.smtp.mailhostbox.com - Port:
587 - Username:
[email protected] - Password:
cash@com12345 - Email To:
[email protected]
Signatures
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VIPKeylogger
VIPKeylogger is a keylogger and infostealer written in C# and it resembles SnakeKeylogger that was found in 2020.
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Vipkeylogger family
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Drops startup file 1 IoCs
description ioc Process File created C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\overrough.vbs overrough.exe -
Executes dropped EXE 1 IoCs
pid Process 3848 overrough.exe -
Accesses Microsoft Outlook profiles 1 TTPs 3 IoCs
description ioc Process Key opened \REGISTRY\USER\S-1-5-21-3442511616-637977696-3186306149-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 RegSvcs.exe Key opened \REGISTRY\USER\S-1-5-21-3442511616-637977696-3186306149-1000\Software\Microsoft\Office\15.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 RegSvcs.exe Key opened \REGISTRY\USER\S-1-5-21-3442511616-637977696-3186306149-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 RegSvcs.exe -
Looks up external IP address via web service 3 IoCs
Uses a legitimate IP lookup service to find the infected system's external IP.
flow ioc 11 checkip.dyndns.org 15 reallyfreegeoip.org 16 reallyfreegeoip.org -
AutoIT Executable 1 IoCs
AutoIT scripts compiled to PE executables.
resource yara_rule behavioral2/files/0x0007000000023cbb-5.dat autoit_exe -
Suspicious use of SetThreadContext 1 IoCs
description pid Process procid_target PID 3848 set thread context of 2392 3848 overrough.exe 83 -
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 3 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 OUTSTANDING PAYMENT REQUEST.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language overrough.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language RegSvcs.exe -
Suspicious behavior: EnumeratesProcesses 2 IoCs
pid Process 2392 RegSvcs.exe 2392 RegSvcs.exe -
Suspicious behavior: MapViewOfSection 1 IoCs
pid Process 3848 overrough.exe -
Suspicious use of AdjustPrivilegeToken 1 IoCs
description pid Process Token: SeDebugPrivilege 2392 RegSvcs.exe -
Suspicious use of FindShellTrayWindow 4 IoCs
pid Process 2060 OUTSTANDING PAYMENT REQUEST.exe 2060 OUTSTANDING PAYMENT REQUEST.exe 3848 overrough.exe 3848 overrough.exe -
Suspicious use of SendNotifyMessage 4 IoCs
pid Process 2060 OUTSTANDING PAYMENT REQUEST.exe 2060 OUTSTANDING PAYMENT REQUEST.exe 3848 overrough.exe 3848 overrough.exe -
Suspicious use of WriteProcessMemory 7 IoCs
description pid Process procid_target PID 2060 wrote to memory of 3848 2060 OUTSTANDING PAYMENT REQUEST.exe 82 PID 2060 wrote to memory of 3848 2060 OUTSTANDING PAYMENT REQUEST.exe 82 PID 2060 wrote to memory of 3848 2060 OUTSTANDING PAYMENT REQUEST.exe 82 PID 3848 wrote to memory of 2392 3848 overrough.exe 83 PID 3848 wrote to memory of 2392 3848 overrough.exe 83 PID 3848 wrote to memory of 2392 3848 overrough.exe 83 PID 3848 wrote to memory of 2392 3848 overrough.exe 83 -
outlook_office_path 1 IoCs
description ioc Process Key opened \REGISTRY\USER\S-1-5-21-3442511616-637977696-3186306149-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 RegSvcs.exe -
outlook_win_path 1 IoCs
description ioc Process Key opened \REGISTRY\USER\S-1-5-21-3442511616-637977696-3186306149-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 RegSvcs.exe
Processes
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C:\Users\Admin\AppData\Local\Temp\OUTSTANDING PAYMENT REQUEST.exe"C:\Users\Admin\AppData\Local\Temp\OUTSTANDING PAYMENT REQUEST.exe"1⤵
- System Location Discovery: System Language Discovery
- Suspicious use of FindShellTrayWindow
- Suspicious use of SendNotifyMessage
- Suspicious use of WriteProcessMemory
PID:2060 -
C:\Users\Admin\AppData\Local\flexuosely\overrough.exe"C:\Users\Admin\AppData\Local\Temp\OUTSTANDING PAYMENT REQUEST.exe"2⤵
- Drops startup file
- Executes dropped EXE
- Suspicious use of SetThreadContext
- System Location Discovery: System Language Discovery
- Suspicious behavior: MapViewOfSection
- Suspicious use of FindShellTrayWindow
- Suspicious use of SendNotifyMessage
- Suspicious use of WriteProcessMemory
PID:3848 -
C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegSvcs.exe"C:\Users\Admin\AppData\Local\Temp\OUTSTANDING PAYMENT REQUEST.exe"3⤵
- Accesses Microsoft Outlook profiles
- System Location Discovery: System Language Discovery
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- outlook_office_path
- outlook_win_path
PID:2392
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Network
MITRE ATT&CK Enterprise v15
Replay Monitor
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Downloads
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Filesize
1.2MB
MD578969cbcca783c376160309a00ec4e2a
SHA1851b49ba65b73f98b8ca4d308589d6023817d3a9
SHA256df43f86a6dd300e47ac8d57aeb24bb4037165fcbff954d91379773474e2481f2
SHA5127d0892a5b1967b4c89e3a8a42060b23e63d72dd076a26ffb6944e803fa1fb8373edc4bb589abc64eb8201dbfad07e12abb65e99ec6b270e265de62be504dff02