Analysis
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max time kernel
120s -
max time network
146s -
platform
windows7_x64 -
resource
win7-20241010-en -
resource tags
arch:x64arch:x86image:win7-20241010-enlocale:en-usos:windows7-x64system -
submitted
18-01-2025 05:03
Static task
static1
Behavioral task
behavioral1
Sample
df43f86a6dd300e47ac8d57aeb24bb4037165fcbff954d91379773474e2481f2.exe
Resource
win7-20241010-en
Behavioral task
behavioral2
Sample
df43f86a6dd300e47ac8d57aeb24bb4037165fcbff954d91379773474e2481f2.exe
Resource
win10v2004-20241007-en
General
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Target
df43f86a6dd300e47ac8d57aeb24bb4037165fcbff954d91379773474e2481f2.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 2288 overrough.exe -
Loads dropped DLL 1 IoCs
pid Process 1824 df43f86a6dd300e47ac8d57aeb24bb4037165fcbff954d91379773474e2481f2.exe -
Accesses Microsoft Outlook profiles 1 TTPs 3 IoCs
description ioc Process Key opened \REGISTRY\USER\S-1-5-21-2039016743-699959520-214465309-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 RegSvcs.exe Key opened \REGISTRY\USER\S-1-5-21-2039016743-699959520-214465309-1000\Software\Microsoft\Office\15.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 RegSvcs.exe Key opened \REGISTRY\USER\S-1-5-21-2039016743-699959520-214465309-1000\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 4 checkip.dyndns.org 8 reallyfreegeoip.org 9 reallyfreegeoip.org -
AutoIT Executable 1 IoCs
AutoIT scripts compiled to PE executables.
resource yara_rule behavioral1/files/0x000700000001941b-4.dat autoit_exe -
Suspicious use of SetThreadContext 1 IoCs
description pid Process procid_target PID 2288 set thread context of 3000 2288 overrough.exe 32 -
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 df43f86a6dd300e47ac8d57aeb24bb4037165fcbff954d91379773474e2481f2.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 3000 RegSvcs.exe 3000 RegSvcs.exe -
Suspicious behavior: MapViewOfSection 2 IoCs
pid Process 2288 overrough.exe 2288 overrough.exe -
Suspicious use of AdjustPrivilegeToken 1 IoCs
description pid Process Token: SeDebugPrivilege 3000 RegSvcs.exe -
Suspicious use of FindShellTrayWindow 4 IoCs
pid Process 1824 df43f86a6dd300e47ac8d57aeb24bb4037165fcbff954d91379773474e2481f2.exe 1824 df43f86a6dd300e47ac8d57aeb24bb4037165fcbff954d91379773474e2481f2.exe 2288 overrough.exe 2288 overrough.exe -
Suspicious use of SendNotifyMessage 4 IoCs
pid Process 1824 df43f86a6dd300e47ac8d57aeb24bb4037165fcbff954d91379773474e2481f2.exe 1824 df43f86a6dd300e47ac8d57aeb24bb4037165fcbff954d91379773474e2481f2.exe 2288 overrough.exe 2288 overrough.exe -
Suspicious use of WriteProcessMemory 12 IoCs
description pid Process procid_target PID 1824 wrote to memory of 2288 1824 df43f86a6dd300e47ac8d57aeb24bb4037165fcbff954d91379773474e2481f2.exe 31 PID 1824 wrote to memory of 2288 1824 df43f86a6dd300e47ac8d57aeb24bb4037165fcbff954d91379773474e2481f2.exe 31 PID 1824 wrote to memory of 2288 1824 df43f86a6dd300e47ac8d57aeb24bb4037165fcbff954d91379773474e2481f2.exe 31 PID 1824 wrote to memory of 2288 1824 df43f86a6dd300e47ac8d57aeb24bb4037165fcbff954d91379773474e2481f2.exe 31 PID 2288 wrote to memory of 3000 2288 overrough.exe 32 PID 2288 wrote to memory of 3000 2288 overrough.exe 32 PID 2288 wrote to memory of 3000 2288 overrough.exe 32 PID 2288 wrote to memory of 3000 2288 overrough.exe 32 PID 2288 wrote to memory of 3000 2288 overrough.exe 32 PID 2288 wrote to memory of 3000 2288 overrough.exe 32 PID 2288 wrote to memory of 3000 2288 overrough.exe 32 PID 2288 wrote to memory of 3000 2288 overrough.exe 32 -
outlook_office_path 1 IoCs
description ioc Process Key opened \REGISTRY\USER\S-1-5-21-2039016743-699959520-214465309-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 RegSvcs.exe -
outlook_win_path 1 IoCs
description ioc Process Key opened \REGISTRY\USER\S-1-5-21-2039016743-699959520-214465309-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 RegSvcs.exe
Processes
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C:\Users\Admin\AppData\Local\Temp\df43f86a6dd300e47ac8d57aeb24bb4037165fcbff954d91379773474e2481f2.exe"C:\Users\Admin\AppData\Local\Temp\df43f86a6dd300e47ac8d57aeb24bb4037165fcbff954d91379773474e2481f2.exe"1⤵
- Loads dropped DLL
- System Location Discovery: System Language Discovery
- Suspicious use of FindShellTrayWindow
- Suspicious use of SendNotifyMessage
- Suspicious use of WriteProcessMemory
PID:1824 -
C:\Users\Admin\AppData\Local\flexuosely\overrough.exe"C:\Users\Admin\AppData\Local\Temp\df43f86a6dd300e47ac8d57aeb24bb4037165fcbff954d91379773474e2481f2.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:2288 -
C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegSvcs.exe"C:\Users\Admin\AppData\Local\Temp\df43f86a6dd300e47ac8d57aeb24bb4037165fcbff954d91379773474e2481f2.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:3000
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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