Analysis
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max time kernel
122s -
max time network
123s -
platform
windows7_x64 -
resource
win7-20240708-en -
resource tags
arch:x64arch:x86image:win7-20240708-enlocale:en-usos:windows7-x64system -
submitted
21/08/2024, 12:01
Static task
static1
Behavioral task
behavioral1
Sample
SecuriteInfo.com.Exploit.CVE20180798.4.23716.11677.rtf
Resource
win7-20240708-en
Behavioral task
behavioral2
Sample
SecuriteInfo.com.Exploit.CVE20180798.4.23716.11677.rtf
Resource
win10v2004-20240802-en
General
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Target
SecuriteInfo.com.Exploit.CVE20180798.4.23716.11677.rtf
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Size
820KB
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MD5
77d04e68c46c843c399d83b858b9b46a
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SHA1
8f4f41f26cd7bd6b60045cc878c83d132f79193a
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SHA256
d718eb322dc9348cb1813a920ca739a5c4bd6b44ac32c0c085bd92148bf94161
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SHA512
22986daa2bd352305885276d9c000caf89c171a6187caadb1d29bbbf1e89916e4a6a199aa6500890befaa9dfc92a14d87976b470b41ec49f5f050b40f9b8b81d
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SSDEEP
6144:3wAYwAYwAYwAYwAYwAYwAYwAYwAYwAYwAYwAYwAYwAYwAYwAYwAYwAYwAYwAYwAN:uE
Malware Config
Extracted
vipkeylogger
Protocol: smtp- Host:
mail.mangroveservices.net - Port:
587 - Username:
[email protected] - Password:
?hMoSL*2jz - 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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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 1 IoCs
flow pid Process 4 2312 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 2712 powershell.exe -
Downloads MZ/PE file
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Executes dropped EXE 2 IoCs
pid Process 2904 erdalpha03977.exe 2928 erdalpha03977.exe -
Loads dropped DLL 1 IoCs
pid Process 2312 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 2 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-1-5-21-940600906-3464502421-4240639183-1000\Software\Microsoft\Office\15.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 erdalpha03977.exe Key opened \REGISTRY\USER\S-1-5-21-940600906-3464502421-4240639183-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 erdalpha03977.exe Key opened \REGISTRY\USER\S-1-5-21-940600906-3464502421-4240639183-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 erdalpha03977.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 2904 set thread context of 2928 2904 erdalpha03977.exe 38 -
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 erdalpha03977.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language erdalpha03977.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 2312 EQNEDT32.EXE -
Suspicious behavior: AddClipboardFormatListener 1 IoCs
pid Process 2328 WINWORD.EXE -
Suspicious behavior: EnumeratesProcesses 3 IoCs
pid Process 2928 erdalpha03977.exe 2712 powershell.exe 2928 erdalpha03977.exe -
Suspicious use of AdjustPrivilegeToken 2 IoCs
description pid Process Token: SeDebugPrivilege 2928 erdalpha03977.exe Token: SeDebugPrivilege 2712 powershell.exe -
Suspicious use of SetWindowsHookEx 2 IoCs
pid Process 2328 WINWORD.EXE 2328 WINWORD.EXE -
Suspicious use of WriteProcessMemory 21 IoCs
description pid Process procid_target PID 2312 wrote to memory of 2904 2312 EQNEDT32.EXE 33 PID 2312 wrote to memory of 2904 2312 EQNEDT32.EXE 33 PID 2312 wrote to memory of 2904 2312 EQNEDT32.EXE 33 PID 2312 wrote to memory of 2904 2312 EQNEDT32.EXE 33 PID 2328 wrote to memory of 2292 2328 WINWORD.EXE 35 PID 2328 wrote to memory of 2292 2328 WINWORD.EXE 35 PID 2328 wrote to memory of 2292 2328 WINWORD.EXE 35 PID 2328 wrote to memory of 2292 2328 WINWORD.EXE 35 PID 2904 wrote to memory of 2712 2904 erdalpha03977.exe 36 PID 2904 wrote to memory of 2712 2904 erdalpha03977.exe 36 PID 2904 wrote to memory of 2712 2904 erdalpha03977.exe 36 PID 2904 wrote to memory of 2712 2904 erdalpha03977.exe 36 PID 2904 wrote to memory of 2928 2904 erdalpha03977.exe 38 PID 2904 wrote to memory of 2928 2904 erdalpha03977.exe 38 PID 2904 wrote to memory of 2928 2904 erdalpha03977.exe 38 PID 2904 wrote to memory of 2928 2904 erdalpha03977.exe 38 PID 2904 wrote to memory of 2928 2904 erdalpha03977.exe 38 PID 2904 wrote to memory of 2928 2904 erdalpha03977.exe 38 PID 2904 wrote to memory of 2928 2904 erdalpha03977.exe 38 PID 2904 wrote to memory of 2928 2904 erdalpha03977.exe 38 PID 2904 wrote to memory of 2928 2904 erdalpha03977.exe 38 -
outlook_office_path 1 IoCs
description ioc Process Key opened \REGISTRY\USER\S-1-5-21-940600906-3464502421-4240639183-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 erdalpha03977.exe -
outlook_win_path 1 IoCs
description ioc Process Key opened \REGISTRY\USER\S-1-5-21-940600906-3464502421-4240639183-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 erdalpha03977.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\SecuriteInfo.com.Exploit.CVE20180798.4.23716.11677.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:2328 -
C:\Windows\splwow64.exeC:\Windows\splwow64.exe 122882⤵PID:2292
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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:2312 -
C:\Users\Admin\AppData\Roaming\erdalpha03977.exe"C:\Users\Admin\AppData\Roaming\erdalpha03977.exe"2⤵
- Executes dropped EXE
- Suspicious use of SetThreadContext
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:2904 -
C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe"C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" Add-MpPreference -ExclusionPath "C:\Users\Admin\AppData\Roaming\erdalpha03977.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:2712
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C:\Users\Admin\AppData\Roaming\erdalpha03977.exe"C:\Users\Admin\AppData\Roaming\erdalpha03977.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:2928
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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
19KB
MD5659e9058c06c4be3a3125890527cb3f5
SHA165b90e1fd365334fae1db90263a2adb7fa64b6a7
SHA256aff0f8aec979eb295566196e0cbc3741023f4d5e3a896393682266319c6a49b0
SHA5129f244189b18b1abf34814269c03c38042d0ffe9642aafed993d3630ce3c530a126df2fef5a1f7af864aae83f2b2f862d82c78fe28bf5f3f86b62d65444b09094
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Filesize
720KB
MD58457be7f4b6910dc68805dacb8009200
SHA1a25c63862fe75623c6e69659ee7ae803ec8659b9
SHA256496ba3f23ddaf5c1514228f1ca90b1de4392a159eaac3ecbd5fbe3fbb28f819f
SHA5126ec632c69a19e1d36371aff5664f3c7c266bfab2fa2b321c3db2bb2e47c42fc9f0c60ebb71b7d3087d54b270368efee0a869888a325aa3d3c8af482f16b482b0