Analysis
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max time kernel
100s -
max time network
135s -
platform
windows7_x64 -
resource
win7-20240704-en -
resource tags
arch:x64arch:x86image:win7-20240704-enlocale:en-usos:windows7-x64system -
submitted
21/08/2024, 10:28
Static task
static1
Behavioral task
behavioral1
Sample
SecuriteInfo.com.Exploit.CVE-2018-0798.4.23716.11677.rtf
Resource
win7-20240704-en
Behavioral task
behavioral2
Sample
SecuriteInfo.com.Exploit.CVE-2018-0798.4.23716.11677.rtf
Resource
win10v2004-20240802-en
General
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Target
SecuriteInfo.com.Exploit.CVE-2018-0798.4.23716.11677.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 3 2740 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 2452 powershell.exe -
Downloads MZ/PE file
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Executes dropped EXE 3 IoCs
pid Process 2620 erdalpha03977.exe 2480 erdalpha03977.exe 332 erdalpha03977.exe -
Loads dropped DLL 1 IoCs
pid Process 2740 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-1-5-21-2212144002-1172735686-1556890956-1000\Software\Microsoft\Office\15.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 erdalpha03977.exe Key opened \REGISTRY\USER\S-1-5-21-2212144002-1172735686-1556890956-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 erdalpha03977.exe Key opened \REGISTRY\USER\S-1-5-21-2212144002-1172735686-1556890956-1000\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 6 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 2620 set thread context of 332 2620 erdalpha03977.exe 36 -
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 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 Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language powershell.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 2740 EQNEDT32.EXE -
Suspicious behavior: AddClipboardFormatListener 1 IoCs
pid Process 3012 WINWORD.EXE -
Suspicious behavior: EnumeratesProcesses 5 IoCs
pid Process 2620 erdalpha03977.exe 2620 erdalpha03977.exe 332 erdalpha03977.exe 2452 powershell.exe 332 erdalpha03977.exe -
Suspicious use of AdjustPrivilegeToken 3 IoCs
description pid Process Token: SeDebugPrivilege 2620 erdalpha03977.exe Token: SeDebugPrivilege 332 erdalpha03977.exe Token: SeDebugPrivilege 2452 powershell.exe -
Suspicious use of SetWindowsHookEx 2 IoCs
pid Process 3012 WINWORD.EXE 3012 WINWORD.EXE -
Suspicious use of WriteProcessMemory 25 IoCs
description pid Process procid_target PID 2740 wrote to memory of 2620 2740 EQNEDT32.EXE 30 PID 2740 wrote to memory of 2620 2740 EQNEDT32.EXE 30 PID 2740 wrote to memory of 2620 2740 EQNEDT32.EXE 30 PID 2740 wrote to memory of 2620 2740 EQNEDT32.EXE 30 PID 3012 wrote to memory of 2188 3012 WINWORD.EXE 32 PID 3012 wrote to memory of 2188 3012 WINWORD.EXE 32 PID 3012 wrote to memory of 2188 3012 WINWORD.EXE 32 PID 3012 wrote to memory of 2188 3012 WINWORD.EXE 32 PID 2620 wrote to memory of 2452 2620 erdalpha03977.exe 33 PID 2620 wrote to memory of 2452 2620 erdalpha03977.exe 33 PID 2620 wrote to memory of 2452 2620 erdalpha03977.exe 33 PID 2620 wrote to memory of 2452 2620 erdalpha03977.exe 33 PID 2620 wrote to memory of 2480 2620 erdalpha03977.exe 35 PID 2620 wrote to memory of 2480 2620 erdalpha03977.exe 35 PID 2620 wrote to memory of 2480 2620 erdalpha03977.exe 35 PID 2620 wrote to memory of 2480 2620 erdalpha03977.exe 35 PID 2620 wrote to memory of 332 2620 erdalpha03977.exe 36 PID 2620 wrote to memory of 332 2620 erdalpha03977.exe 36 PID 2620 wrote to memory of 332 2620 erdalpha03977.exe 36 PID 2620 wrote to memory of 332 2620 erdalpha03977.exe 36 PID 2620 wrote to memory of 332 2620 erdalpha03977.exe 36 PID 2620 wrote to memory of 332 2620 erdalpha03977.exe 36 PID 2620 wrote to memory of 332 2620 erdalpha03977.exe 36 PID 2620 wrote to memory of 332 2620 erdalpha03977.exe 36 PID 2620 wrote to memory of 332 2620 erdalpha03977.exe 36 -
outlook_office_path 1 IoCs
description ioc Process Key opened \REGISTRY\USER\S-1-5-21-2212144002-1172735686-1556890956-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 erdalpha03977.exe -
outlook_win_path 1 IoCs
description ioc Process Key opened \REGISTRY\USER\S-1-5-21-2212144002-1172735686-1556890956-1000\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.CVE-2018-0798.4.23716.11677.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:3012 -
C:\Windows\splwow64.exeC:\Windows\splwow64.exe 122882⤵PID:2188
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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:2740 -
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 behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:2620 -
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:2452
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C:\Users\Admin\AppData\Roaming\erdalpha03977.exe"C:\Users\Admin\AppData\Roaming\erdalpha03977.exe"3⤵
- Executes dropped EXE
PID:2480
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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:332
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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
MD58da4ea73bfb6a28860aa814814ac477c
SHA10b6873b109c612bd35f18e9f753b82053ebf5a95
SHA2564252074d52455cfe663b37fa73ca513a847ee62d1a9eff1a2402d36d95d79ede
SHA5121674607d1d34a011856d3f4dd31968eec22432ec8dba1b3ab5efdb440e2016b392f3f00529fd3651142df5736fba49f296584894be1071b6509999bab991e1cd
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Filesize
720KB
MD58457be7f4b6910dc68805dacb8009200
SHA1a25c63862fe75623c6e69659ee7ae803ec8659b9
SHA256496ba3f23ddaf5c1514228f1ca90b1de4392a159eaac3ecbd5fbe3fbb28f819f
SHA5126ec632c69a19e1d36371aff5664f3c7c266bfab2fa2b321c3db2bb2e47c42fc9f0c60ebb71b7d3087d54b270368efee0a869888a325aa3d3c8af482f16b482b0