Analysis
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max time kernel
91s -
max time network
125s -
platform
windows10-2004_x64 -
resource
win10v2004-20240802-en -
resource tags
arch:x64arch:x86image:win10v2004-20240802-enlocale:en-usos:windows10-2004-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
Protocol: smtp- Host:
foxwagon-equipment.com - Port:
587 - Username:
[email protected] - Password:
SVBd8Gv^}!B1
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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Checks computer location settings 2 TTPs 1 IoCs
Looks up country code configured in the registry, likely geofence.
Processes:
RFQ.exedescription ioc process Key value queried \REGISTRY\USER\S-1-5-21-2170637797-568393320-3232933035-1000\Control Panel\International\Geo\Nation RFQ.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
Processes:
RFQ.exedescription ioc process Key opened \REGISTRY\USER\S-1-5-21-2170637797-568393320-3232933035-1000\Software\Microsoft\Office\15.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 RFQ.exe Key opened \REGISTRY\USER\S-1-5-21-2170637797-568393320-3232933035-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 RFQ.exe Key opened \REGISTRY\USER\S-1-5-21-2170637797-568393320-3232933035-1000\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 26 checkip.dyndns.org -
Suspicious use of SetThreadContext 1 IoCs
Processes:
RFQ.exedescription pid process target process PID 5012 set thread context of 640 5012 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 9 IoCs
Processes:
RFQ.exepowershell.exeRFQ.exepid process 5012 RFQ.exe 5012 RFQ.exe 5012 RFQ.exe 4440 powershell.exe 4440 powershell.exe 640 RFQ.exe 640 RFQ.exe 4440 powershell.exe 640 RFQ.exe -
Suspicious use of AdjustPrivilegeToken 3 IoCs
Processes:
RFQ.exepowershell.exeRFQ.exedescription pid process Token: SeDebugPrivilege 5012 RFQ.exe Token: SeDebugPrivilege 4440 powershell.exe Token: SeDebugPrivilege 640 RFQ.exe -
Suspicious use of WriteProcessMemory 14 IoCs
Processes:
RFQ.exedescription pid process target process PID 5012 wrote to memory of 4440 5012 RFQ.exe powershell.exe PID 5012 wrote to memory of 4440 5012 RFQ.exe powershell.exe PID 5012 wrote to memory of 4440 5012 RFQ.exe powershell.exe PID 5012 wrote to memory of 3440 5012 RFQ.exe schtasks.exe PID 5012 wrote to memory of 3440 5012 RFQ.exe schtasks.exe PID 5012 wrote to memory of 3440 5012 RFQ.exe schtasks.exe PID 5012 wrote to memory of 640 5012 RFQ.exe RFQ.exe PID 5012 wrote to memory of 640 5012 RFQ.exe RFQ.exe PID 5012 wrote to memory of 640 5012 RFQ.exe RFQ.exe PID 5012 wrote to memory of 640 5012 RFQ.exe RFQ.exe PID 5012 wrote to memory of 640 5012 RFQ.exe RFQ.exe PID 5012 wrote to memory of 640 5012 RFQ.exe RFQ.exe PID 5012 wrote to memory of 640 5012 RFQ.exe RFQ.exe PID 5012 wrote to memory of 640 5012 RFQ.exe RFQ.exe -
outlook_office_path 1 IoCs
Processes:
RFQ.exedescription ioc process Key opened \REGISTRY\USER\S-1-5-21-2170637797-568393320-3232933035-1000\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-1-5-21-2170637797-568393320-3232933035-1000\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⤵
- Checks computer location settings
- Suspicious use of SetThreadContext
- System Location Discovery: System Language Discovery
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:5012 -
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:4440
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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\tmp9749.tmp"2⤵
- System Location Discovery: System Language Discovery
- Scheduled Task/Job: Scheduled Task
PID:3440
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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:640
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C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe"C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=utility --utility-sub-type=asset_store.mojom.AssetStoreService --lang=en-US --service-sandbox-type=asset_store_service --field-trial-handle=4056,i,12198811467968044966,17227406646827438786,262144 --variations-seed-version --mojo-platform-channel-handle=1044 /prefetch:81⤵PID:3936
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
MD58ec831f3e3a3f77e4a7b9cd32b48384c
SHA1d83f09fd87c5bd86e045873c231c14836e76a05c
SHA2567667e538030e3f8ce2886e47a01af24cb0ea70528b1e821c5d8832c5076cb982
SHA51226bffa2406b66368bd412bf25869a792631455645992cdcade2dbc13a2e56fb546414a6a9223b94c96c38d89187add6678d4779a88b38b0c9e36be8527b213c3
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Filesize
60B
MD5d17fe0a3f47be24a6453e9ef58c94641
SHA16ab83620379fc69f80c0242105ddffd7d98d5d9d
SHA25696ad1146eb96877eab5942ae0736b82d8b5e2039a80d3d6932665c1a4c87dcf7
SHA5125b592e58f26c264604f98f6aa12860758ce606d1c63220736cf0c779e4e18e3cec8706930a16c38b20161754d1017d1657d35258e58ca22b18f5b232880dec82
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Filesize
1KB
MD567bd8b64b2d1a1278d7f80dd98f8c693
SHA1483c5aa2519f7910156d5e53dba15ea91d47e450
SHA2561a3e458be72ec7da6439c8ea5bb1b3acbe6b7c6665829c658fd3df6df37c2c12
SHA51272b44a967342659b04e0afd205b272ed80b6a24c178b67ba0e32295b83181e8017ef28eeac450b65a417ece15414819763c39fb5886222e33b2506af9ac68050