Analysis
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max time kernel
55s -
max time network
137s -
platform
windows7_x64 -
resource
win7-20241010-en -
resource tags
arch:x64arch:x86image:win7-20241010-enlocale:en-usos:windows7-x64system -
submitted
01/11/2024, 19:19
Static task
static1
Behavioral task
behavioral1
Sample
SWIFT COPY 2.rtf
Resource
win7-20241010-en
Behavioral task
behavioral2
Sample
SWIFT COPY 2.rtf
Resource
win10v2004-20241007-en
General
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Target
SWIFT COPY 2.rtf
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Size
731KB
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MD5
e616a0fab41b046b3fd51b5697ab23dc
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SHA1
b371c54ebf39448731647271131e8c65f8c44bfc
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SHA256
61d3e5183fd1a0ef9c6d5c3f923fdbb1558c1b3ebcdc7f3e960a7dae1709e592
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SHA512
746508833d80a8fdd354f525d884ac3dc8983f1d9c71599ba5aa363eb4697476b02d2f13e4c775f14efb49215a3920307379bfa4fb617937f1ba48f09cc7a1fe
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SSDEEP
6144:5wAYwAYwAYwAYwAYwAYwAYwAYwAYwAYwAYwAYwAYwAYwA64Rt24k3VI0PQyntV1E:SC
Malware Config
Extracted
vipkeylogger
Protocol: smtp- Host:
mail.covid19support.top - Port:
587 - Username:
[email protected] - Password:
7213575aceACE@@ - 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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Blocklisted process makes network request 1 IoCs
flow pid Process 3 2860 EQNEDT32.EXE -
Command and Scripting Interpreter: PowerShell 1 TTPs 1 IoCs
Run Powershell to modify Windows Defender settings to add exclusions for file extensions, paths, and processes.
pid Process 2260 powershell.exe -
Downloads MZ/PE file
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Executes dropped EXE 2 IoCs
pid Process 2132 obirfsgjkf.exe 2648 obirfsgjkf.exe -
Loads dropped DLL 2 IoCs
pid Process 2860 EQNEDT32.EXE 2860 EQNEDT32.EXE -
Reads user/profile data of local email clients 2 TTPs
Email clients store some user data on disk where infostealers will often target it.
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Reads user/profile data of web browsers 3 TTPs
Infostealers often target stored browser data, which can include saved credentials etc.
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Accesses Microsoft Outlook profiles 1 TTPs 3 IoCs
description ioc Process Key opened \REGISTRY\USER\S-1-5-21-3692679935-4019334568-335155002-1000\Software\Microsoft\Office\15.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 obirfsgjkf.exe Key opened \REGISTRY\USER\S-1-5-21-3692679935-4019334568-335155002-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 obirfsgjkf.exe Key opened \REGISTRY\USER\S-1-5-21-3692679935-4019334568-335155002-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 obirfsgjkf.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 5 checkip.dyndns.org -
Drops file in System32 directory 1 IoCs
description ioc Process File opened for modification C:\Windows\SysWOW64\%ProgramData%\Microsoft\Windows\Start Menu\Programs\Accessories\Windows PowerShell\Windows PowerShell.lnk powershell.exe -
Suspicious use of SetThreadContext 1 IoCs
description pid Process procid_target PID 2132 set thread context of 2648 2132 obirfsgjkf.exe 35 -
Drops file in Windows directory 1 IoCs
description ioc Process File opened for modification C:\Windows\Debug\WIA\wiatrace.log WINWORD.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 5 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 powershell.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language WINWORD.EXE Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language EQNEDT32.EXE Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language obirfsgjkf.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language obirfsgjkf.exe -
Office loads VBA resources, possible macro or embedded object present
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Launches Equation Editor 1 TTPs 1 IoCs
Equation Editor is an old Office component often targeted by exploits such as CVE-2017-11882.
pid Process 2860 EQNEDT32.EXE -
Suspicious behavior: AddClipboardFormatListener 1 IoCs
pid Process 3016 WINWORD.EXE -
Suspicious behavior: EnumeratesProcesses 3 IoCs
pid Process 2648 obirfsgjkf.exe 2260 powershell.exe 2648 obirfsgjkf.exe -
Suspicious use of AdjustPrivilegeToken 2 IoCs
description pid Process Token: SeDebugPrivilege 2648 obirfsgjkf.exe Token: SeDebugPrivilege 2260 powershell.exe -
Suspicious use of SetWindowsHookEx 2 IoCs
pid Process 3016 WINWORD.EXE 3016 WINWORD.EXE -
Suspicious use of WriteProcessMemory 21 IoCs
description pid Process procid_target PID 2860 wrote to memory of 2132 2860 EQNEDT32.EXE 30 PID 2860 wrote to memory of 2132 2860 EQNEDT32.EXE 30 PID 2860 wrote to memory of 2132 2860 EQNEDT32.EXE 30 PID 2860 wrote to memory of 2132 2860 EQNEDT32.EXE 30 PID 3016 wrote to memory of 2096 3016 WINWORD.EXE 32 PID 3016 wrote to memory of 2096 3016 WINWORD.EXE 32 PID 3016 wrote to memory of 2096 3016 WINWORD.EXE 32 PID 3016 wrote to memory of 2096 3016 WINWORD.EXE 32 PID 2132 wrote to memory of 2260 2132 obirfsgjkf.exe 33 PID 2132 wrote to memory of 2260 2132 obirfsgjkf.exe 33 PID 2132 wrote to memory of 2260 2132 obirfsgjkf.exe 33 PID 2132 wrote to memory of 2260 2132 obirfsgjkf.exe 33 PID 2132 wrote to memory of 2648 2132 obirfsgjkf.exe 35 PID 2132 wrote to memory of 2648 2132 obirfsgjkf.exe 35 PID 2132 wrote to memory of 2648 2132 obirfsgjkf.exe 35 PID 2132 wrote to memory of 2648 2132 obirfsgjkf.exe 35 PID 2132 wrote to memory of 2648 2132 obirfsgjkf.exe 35 PID 2132 wrote to memory of 2648 2132 obirfsgjkf.exe 35 PID 2132 wrote to memory of 2648 2132 obirfsgjkf.exe 35 PID 2132 wrote to memory of 2648 2132 obirfsgjkf.exe 35 PID 2132 wrote to memory of 2648 2132 obirfsgjkf.exe 35 -
outlook_office_path 1 IoCs
description ioc Process Key opened \REGISTRY\USER\S-1-5-21-3692679935-4019334568-335155002-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 obirfsgjkf.exe -
outlook_win_path 1 IoCs
description ioc Process Key opened \REGISTRY\USER\S-1-5-21-3692679935-4019334568-335155002-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 obirfsgjkf.exe
Processes
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C:\Program Files (x86)\Microsoft Office\Office14\WINWORD.EXE"C:\Program Files (x86)\Microsoft Office\Office14\WINWORD.EXE" /n "C:\Users\Admin\AppData\Local\Temp\SWIFT COPY 2.rtf"1⤵
- Drops file in Windows directory
- System Location Discovery: System Language Discovery
- Suspicious behavior: AddClipboardFormatListener
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:3016 -
C:\Windows\splwow64.exeC:\Windows\splwow64.exe 122882⤵PID:2096
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C:\Program Files (x86)\Common Files\Microsoft Shared\EQUATION\EQNEDT32.EXE"C:\Program Files (x86)\Common Files\Microsoft Shared\EQUATION\EQNEDT32.EXE" -Embedding1⤵
- Blocklisted process makes network request
- Loads dropped DLL
- System Location Discovery: System Language Discovery
- Launches Equation Editor
- Suspicious use of WriteProcessMemory
PID:2860 -
C:\Users\Admin\AppData\Roaming\obirfsgjkf.exe"C:\Users\Admin\AppData\Roaming\obirfsgjkf.exe"2⤵
- Executes dropped EXE
- Suspicious use of SetThreadContext
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:2132 -
C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe"C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" Add-MpPreference -ExclusionPath "C:\Users\Admin\AppData\Roaming\obirfsgjkf.exe"3⤵
- Command and Scripting Interpreter: PowerShell
- Drops file in System32 directory
- System Location Discovery: System Language Discovery
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:2260
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C:\Users\Admin\AppData\Roaming\obirfsgjkf.exe"C:\Users\Admin\AppData\Roaming\obirfsgjkf.exe"3⤵
- Executes dropped EXE
- Accesses Microsoft Outlook profiles
- System Location Discovery: System Language Discovery
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- outlook_office_path
- outlook_win_path
PID:2648
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Network
MITRE ATT&CK Enterprise v15
Execution
Command and Scripting Interpreter
1PowerShell
1Exploitation for Client Execution
1Credential Access
Credentials from Password Stores
1Credentials from Web Browsers
1Unsecured Credentials
2Credentials In Files
2Replay Monitor
Loading Replay Monitor...
Downloads
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Filesize
1011KB
MD5f371024886e3e82d04bc6a6d7002e0f8
SHA10a631505218789c4aa0666916542551c5ed1fbea
SHA2562fb14cfc217c3b520bf9e5654cb9ac8c237e8ca11e50d1b3c2bf9d20e1dee411
SHA51276bd807bec9f477297171ddc87cbc1895962bba56132db726e282396688ce74b5d02fd04aae122b841d13332bcb3576a2d349eca73f95459f2cfddf8bd915cdb