Analysis
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max time kernel
144s -
max time network
149s -
platform
windows10-2004_x64 -
resource
win10v2004-20250217-en -
resource tags
arch:x64arch:x86image:win10v2004-20250217-enlocale:en-usos:windows10-2004-x64system -
submitted
27/02/2025, 01:50
Static task
static1
Behavioral task
behavioral1
Sample
87cf7164b78119e27b02fddc73bd339e81eb71c3d0a5c81722c065ff64bbcc11.exe
Resource
win7-20241010-en
Behavioral task
behavioral2
Sample
87cf7164b78119e27b02fddc73bd339e81eb71c3d0a5c81722c065ff64bbcc11.exe
Resource
win10v2004-20250217-en
Behavioral task
behavioral3
Sample
$WINDIR/porterhouse/Wrynesses.ps1
Resource
win7-20250207-en
Behavioral task
behavioral4
Sample
$WINDIR/porterhouse/Wrynesses.ps1
Resource
win10v2004-20250217-en
General
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Target
87cf7164b78119e27b02fddc73bd339e81eb71c3d0a5c81722c065ff64bbcc11.exe
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Size
786KB
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MD5
7d86b00fcf326a69ff63a4112c70b00e
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SHA1
a176064c342fa83e99614f98dfb70bb82c5b60e4
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SHA256
87cf7164b78119e27b02fddc73bd339e81eb71c3d0a5c81722c065ff64bbcc11
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SHA512
25c3be5fed2446f9d549a68a21ddbcdd43b9d5741574c8afe26d357693669b0e828da20610b84861b5b878ff5d9fb3d360671ddc6b1b8a181a8db9eb92b4e0bc
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SSDEEP
24576:Taog+Lb1hElIM9LXIxZB4hC6ZzANJ9lBj94YyOq:TZgwSlIcz4aCAzu948q
Malware Config
Extracted
vipkeylogger
https://api.telegram.org/bot7564802476:AAFNFXEtg3BsKAA3SsfbX1loYJO05v_Jivo/sendMessage?chat_id=7904458796
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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Command and Scripting Interpreter: PowerShell 1 TTPs 1 IoCs
Run Powershell and hide display window.
pid Process 4876 powershell.exe -
Accesses Microsoft Outlook profiles 1 TTPs 3 IoCs
description ioc Process Key opened \REGISTRY\USER\S-1-5-21-2593460650-190333679-3676257533-1000\Software\Microsoft\Office\15.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 msiexec.exe Key opened \REGISTRY\USER\S-1-5-21-2593460650-190333679-3676257533-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 msiexec.exe Key opened \REGISTRY\USER\S-1-5-21-2593460650-190333679-3676257533-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 msiexec.exe -
Blocklisted process makes network request 8 IoCs
flow pid Process 37 2604 msiexec.exe 41 2604 msiexec.exe 43 2604 msiexec.exe 46 2604 msiexec.exe 54 2604 msiexec.exe 58 2604 msiexec.exe 60 2604 msiexec.exe 76 2604 msiexec.exe -
Legitimate hosting services abused for malware hosting/C2 1 TTPs 2 IoCs
flow ioc 36 drive.google.com 37 drive.google.com -
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 57 checkip.dyndns.org 59 reallyfreegeoip.org 60 reallyfreegeoip.org -
Suspicious use of NtCreateThreadExHideFromDebugger 1 IoCs
pid Process 2604 msiexec.exe -
Suspicious use of NtSetInformationThreadHideFromDebugger 2 IoCs
pid Process 4876 powershell.exe 2604 msiexec.exe -
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 87cf7164b78119e27b02fddc73bd339e81eb71c3d0a5c81722c065ff64bbcc11.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language powershell.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language msiexec.exe -
Suspicious behavior: EnumeratesProcesses 11 IoCs
pid Process 4876 powershell.exe 4876 powershell.exe 4876 powershell.exe 4876 powershell.exe 4876 powershell.exe 4876 powershell.exe 4876 powershell.exe 4876 powershell.exe 4876 powershell.exe 2604 msiexec.exe 2604 msiexec.exe -
Suspicious behavior: MapViewOfSection 1 IoCs
pid Process 4876 powershell.exe -
Suspicious use of AdjustPrivilegeToken 23 IoCs
description pid Process Token: SeDebugPrivilege 4876 powershell.exe Token: SeIncreaseQuotaPrivilege 4876 powershell.exe Token: SeSecurityPrivilege 4876 powershell.exe Token: SeTakeOwnershipPrivilege 4876 powershell.exe Token: SeLoadDriverPrivilege 4876 powershell.exe Token: SeSystemProfilePrivilege 4876 powershell.exe Token: SeSystemtimePrivilege 4876 powershell.exe Token: SeProfSingleProcessPrivilege 4876 powershell.exe Token: SeIncBasePriorityPrivilege 4876 powershell.exe Token: SeCreatePagefilePrivilege 4876 powershell.exe Token: SeBackupPrivilege 4876 powershell.exe Token: SeRestorePrivilege 4876 powershell.exe Token: SeShutdownPrivilege 4876 powershell.exe Token: SeDebugPrivilege 4876 powershell.exe Token: SeSystemEnvironmentPrivilege 4876 powershell.exe Token: SeRemoteShutdownPrivilege 4876 powershell.exe Token: SeUndockPrivilege 4876 powershell.exe Token: SeManageVolumePrivilege 4876 powershell.exe Token: 33 4876 powershell.exe Token: 34 4876 powershell.exe Token: 35 4876 powershell.exe Token: 36 4876 powershell.exe Token: SeDebugPrivilege 2604 msiexec.exe -
Suspicious use of WriteProcessMemory 7 IoCs
description pid Process procid_target PID 1704 wrote to memory of 4876 1704 87cf7164b78119e27b02fddc73bd339e81eb71c3d0a5c81722c065ff64bbcc11.exe 87 PID 1704 wrote to memory of 4876 1704 87cf7164b78119e27b02fddc73bd339e81eb71c3d0a5c81722c065ff64bbcc11.exe 87 PID 1704 wrote to memory of 4876 1704 87cf7164b78119e27b02fddc73bd339e81eb71c3d0a5c81722c065ff64bbcc11.exe 87 PID 4876 wrote to memory of 2604 4876 powershell.exe 99 PID 4876 wrote to memory of 2604 4876 powershell.exe 99 PID 4876 wrote to memory of 2604 4876 powershell.exe 99 PID 4876 wrote to memory of 2604 4876 powershell.exe 99 -
outlook_office_path 1 IoCs
description ioc Process Key opened \REGISTRY\USER\S-1-5-21-2593460650-190333679-3676257533-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 msiexec.exe -
outlook_win_path 1 IoCs
description ioc Process Key opened \REGISTRY\USER\S-1-5-21-2593460650-190333679-3676257533-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 msiexec.exe
Processes
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C:\Users\Admin\AppData\Local\Temp\87cf7164b78119e27b02fddc73bd339e81eb71c3d0a5c81722c065ff64bbcc11.exe"C:\Users\Admin\AppData\Local\Temp\87cf7164b78119e27b02fddc73bd339e81eb71c3d0a5c81722c065ff64bbcc11.exe"1⤵
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:1704 -
C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exepowershell.exe -windowstyle hidden "$Antegnede68=Get-Content -Raw 'C:\Users\Admin\AppData\Roaming\toytown\comminuate\segregerer\Wrynesses.Alg';$Buxtehude=$Antegnede68.SubString(54302,3);.$Buxtehude($Antegnede68)"2⤵
- Command and Scripting Interpreter: PowerShell
- Suspicious use of NtSetInformationThreadHideFromDebugger
- System Location Discovery: System Language Discovery
- Suspicious behavior: EnumeratesProcesses
- Suspicious behavior: MapViewOfSection
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:4876 -
C:\Windows\SysWOW64\msiexec.exe"C:\Windows\SysWOW64\msiexec.exe"3⤵
- Accesses Microsoft Outlook profiles
- Blocklisted process makes network request
- Suspicious use of NtCreateThreadExHideFromDebugger
- Suspicious use of NtSetInformationThreadHideFromDebugger
- System Location Discovery: System Language Discovery
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- outlook_office_path
- outlook_win_path
PID:2604
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Network
MITRE ATT&CK Enterprise v15
Replay Monitor
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Downloads
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Filesize
60B
MD5d17fe0a3f47be24a6453e9ef58c94641
SHA16ab83620379fc69f80c0242105ddffd7d98d5d9d
SHA25696ad1146eb96877eab5942ae0736b82d8b5e2039a80d3d6932665c1a4c87dcf7
SHA5125b592e58f26c264604f98f6aa12860758ce606d1c63220736cf0c779e4e18e3cec8706930a16c38b20161754d1017d1657d35258e58ca22b18f5b232880dec82
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Filesize
379KB
MD563de1104ff2547d796892a3c6b19e8f5
SHA134ef5ac6a29a6bc8198aa23d555c7c7d0ce2bc9d
SHA2568bec41397f3b328f8e78891fe43a6ddecfb189a8c799a1b17aa8e90d7c05a6cd
SHA512f102dfb991fdc1f8b9836bd8cf07b3f1935dc61e947dd378e6f9bd54221b4470fd0a72c67cc0aed3586c588b127a15e80e71e624c5562e92aebdc944a5e72d36
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Filesize
53KB
MD5f5b2b137807856875a8775b2ca0a78d9
SHA1b0df4707f99a9f8d6424838fec2ab61cb777e421
SHA256be590cff8cc5b344be42be1818daddaf6eb346ee427e7f6ce07ba3abd8238959
SHA51234f9aae5557211f37342bf60b85b30031be09e5f03a58fc446730944bc801ebf7cc3763f6f601b92357459b82eb9252a6d37899a34456b6fcc42c4ecfb9d243e