Analysis
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max time kernel
119s -
max time network
149s -
platform
windows7_x64 -
resource
win7-20240729-en -
resource tags
arch:x64arch:x86image:win7-20240729-enlocale:en-usos:windows7-x64system -
submitted
01-10-2024 10:51
Static task
static1
Behavioral task
behavioral1
Sample
RFQ.exe
Resource
win7-20240729-en
Behavioral task
behavioral2
Sample
RFQ.exe
Resource
win10v2004-20240802-en
General
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Target
RFQ.exe
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Size
757KB
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MD5
fbe6bc03a03310d3cb73b56f26c450c4
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SHA1
daef2bf82d629458f58ef53c2faf93970c27644e
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SHA256
1ffdb5b3f3b764b20dfc66d3c70d80d25a75b3707f42cce07b032398bce7b195
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SHA512
55972ac403bb20d4ff8f4da07c62c0172260f3e73889b4e5069ad999920409f30c7cbca95bb953ed0d10fe0af38555b816322bcfcea79fc75ea123b0471e5ad1
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SSDEEP
12288:HNit1Ay2Lr/xR65Qxh1D5N1IyXHu1/NeKtmtpqgqc5kp2PLitx+xRkR:At1yQUJW2OPbnlYLQx+xM
Malware Config
Extracted
vipkeylogger
Protocol: smtp- Host:
foxwagon-equipment.com - Port:
587 - Username:
[email protected] - Password:
SVBd8Gv^}!B1 - 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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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.
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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
Processes:
RFQ.exedescription ioc process Key opened \REGISTRY\USER\S-1-5-21-2703099537-420551529-3771253338-1000\Software\Microsoft\Office\15.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 RFQ.exe Key opened \REGISTRY\USER\S-1-5-21-2703099537-420551529-3771253338-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 RFQ.exe Key opened \REGISTRY\USER\S-1-5-21-2703099537-420551529-3771253338-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 RFQ.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.
Processes:
flow ioc 4 checkip.dyndns.org -
Suspicious use of SetThreadContext 1 IoCs
Processes:
RFQ.exedescription pid process target process PID 2436 set thread context of 2880 2436 RFQ.exe RFQ.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 4 IoCs
Attempt gather information about the system language of a victim in order to infer the geographical location of that host.
Processes:
RFQ.exepowershell.exeschtasks.exeRFQ.exedescription ioc process Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language RFQ.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language powershell.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language schtasks.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language RFQ.exe -
Scheduled Task/Job: Scheduled Task 1 TTPs 1 IoCs
Schtasks is often used by malware for persistence or to perform post-infection execution.
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Suspicious behavior: EnumeratesProcesses 5 IoCs
Processes:
RFQ.exeRFQ.exepowershell.exepid process 2436 RFQ.exe 2436 RFQ.exe 2880 RFQ.exe 2408 powershell.exe 2880 RFQ.exe -
Suspicious use of AdjustPrivilegeToken 3 IoCs
Processes:
RFQ.exeRFQ.exepowershell.exedescription pid process Token: SeDebugPrivilege 2436 RFQ.exe Token: SeDebugPrivilege 2880 RFQ.exe Token: SeDebugPrivilege 2408 powershell.exe -
Suspicious use of WriteProcessMemory 17 IoCs
Processes:
RFQ.exedescription pid process target process PID 2436 wrote to memory of 2408 2436 RFQ.exe powershell.exe PID 2436 wrote to memory of 2408 2436 RFQ.exe powershell.exe PID 2436 wrote to memory of 2408 2436 RFQ.exe powershell.exe PID 2436 wrote to memory of 2408 2436 RFQ.exe powershell.exe PID 2436 wrote to memory of 2312 2436 RFQ.exe schtasks.exe PID 2436 wrote to memory of 2312 2436 RFQ.exe schtasks.exe PID 2436 wrote to memory of 2312 2436 RFQ.exe schtasks.exe PID 2436 wrote to memory of 2312 2436 RFQ.exe schtasks.exe PID 2436 wrote to memory of 2880 2436 RFQ.exe RFQ.exe PID 2436 wrote to memory of 2880 2436 RFQ.exe RFQ.exe PID 2436 wrote to memory of 2880 2436 RFQ.exe RFQ.exe PID 2436 wrote to memory of 2880 2436 RFQ.exe RFQ.exe PID 2436 wrote to memory of 2880 2436 RFQ.exe RFQ.exe PID 2436 wrote to memory of 2880 2436 RFQ.exe RFQ.exe PID 2436 wrote to memory of 2880 2436 RFQ.exe RFQ.exe PID 2436 wrote to memory of 2880 2436 RFQ.exe RFQ.exe PID 2436 wrote to memory of 2880 2436 RFQ.exe RFQ.exe -
outlook_office_path 1 IoCs
Processes:
RFQ.exedescription ioc process Key opened \REGISTRY\USER\S-1-5-21-2703099537-420551529-3771253338-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 RFQ.exe -
outlook_win_path 1 IoCs
Processes:
RFQ.exedescription ioc process Key opened \REGISTRY\USER\S-1-5-21-2703099537-420551529-3771253338-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 RFQ.exe
Processes
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C:\Users\Admin\AppData\Local\Temp\RFQ.exe"C:\Users\Admin\AppData\Local\Temp\RFQ.exe"1⤵
- Suspicious use of SetThreadContext
- System Location Discovery: System Language Discovery
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:2436 -
C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe"C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" Add-MpPreference -ExclusionPath "C:\Users\Admin\AppData\Roaming\nyQmHXV.exe"2⤵
- Command and Scripting Interpreter: PowerShell
- System Location Discovery: System Language Discovery
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:2408
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C:\Windows\SysWOW64\schtasks.exe"C:\Windows\System32\schtasks.exe" /Create /TN "Updates\nyQmHXV" /XML "C:\Users\Admin\AppData\Local\Temp\tmp16EA.tmp"2⤵
- System Location Discovery: System Language Discovery
- Scheduled Task/Job: Scheduled Task
PID:2312
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C:\Users\Admin\AppData\Local\Temp\RFQ.exe"C:\Users\Admin\AppData\Local\Temp\RFQ.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:2880
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Network
MITRE ATT&CK Enterprise v15
Execution
Command and Scripting Interpreter
1PowerShell
1Scheduled Task/Job
1Scheduled Task
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
1KB
MD524496f96094bcd8c4f4a46ee14f9befc
SHA1f122efcc30ff8c2f70d543628d0d418ed4a38121
SHA256ac8f4450badab0e5bb3ecf91ceb86504f9960bf2b8abd7ff96ccbf9c4708427c
SHA512531758a6ab3fae53e28f329a01516c68ed4670298739bdf3f7d39e363c7a18e0b6741c4e3f598541ba9c75a11cebf2d04ab8a93d88ae22d6aaa9c8c942be6324