Analysis
- max time kernel
129s - max time network
131s - platform
windows10-2004_x64 - resource
win10v2004-20240802-en - submitted
07/08/2024, 06:40
General
- Target Payment Advice - Advice Ref[A26bxFeVaGBy].bat.exe
- Size 778KB
- Sample240807-he7ekstdnp
- SHA256 5b47063fd9223d5539609abb082e0f05e79eb13b85ffa528a00bf8416adf587e
Malware Config
Extracted
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vipkeylogger
-
Protocol
smtp
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Host
mail.tahaqoq.com
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Port
587
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Username
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Password
T@ha5241+*
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Email to
Signatures
- VIPKeylogger
VIPKeylogger is a keylogger and infostealer written in C# and it resembles SnakeKeylogger that was found in 2020.
- Vipkeylogger family
- 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.
- Checks computer location settings 2 TTPs 1 IoCs
Looks up country code configured in the registry, likely geofence.
- Reads user/profile data of local email clients 2 TTPs
Email clients store some user data on disk where infostealers will often target it.
- Reads user/profile data of web browsers 3 TTPs
Infostealers often target stored browser data, which can include saved credentials etc.
- Accesses Microsoft Outlook profiles 1 TTPs 3 IoCs
- Looks up external IP address via web service 1 IoCs
Uses a legitimate IP lookup service to find the infected system's external IP.
- Suspicious use of SetThreadContext 1 IoCs
- Browser Information Discovery 1 TTPs
Enumerate browser information.
- Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s).
- 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.
- Scheduled Task/Job: Scheduled Task 1 TTPs 1 IoCs
Schtasks is often used by malware for persistence or to perform post-infection execution.
- Suspicious behavior: EnumeratesProcesses 9 IoCs
- Suspicious use of AdjustPrivilegeToken 3 IoCs
- Suspicious use of WriteProcessMemory 17 IoCs
- outlook_office_path 1 IoCs
- outlook_win_path 1 IoCs
Processes
-
C:\Users\Admin\AppData\Local\Temp\Payment Advice - Advice Ref[A26bxFeVaGBy].bat.exe"C:\Users\Admin\AppData\Local\Temp\Payment Advice - Advice Ref[A26bxFeVaGBy].bat.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
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C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe"C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" Add-MpPreference -ExclusionPath "C:\Users\Admin\AppData\Roaming\VFtEadWLqd.exe"2⤵
- Command and Scripting Interpreter: PowerShell
- System Location Discovery: System Language Discovery
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
-
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C:\Windows\SysWOW64\schtasks.exe"C:\Windows\System32\schtasks.exe" /Create /TN "Updates\VFtEadWLqd" /XML "C:\Users\Admin\AppData\Local\Temp\tmpA311.tmp"2⤵
- System Location Discovery: System Language Discovery
- Scheduled Task/Job: Scheduled Task
-
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C:\Users\Admin\AppData\Local\Temp\Payment Advice - Advice Ref[A26bxFeVaGBy].bat.exe"C:\Users\Admin\AppData\Local\Temp\Payment Advice - Advice Ref[A26bxFeVaGBy].bat.exe"2⤵
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C:\Users\Admin\AppData\Local\Temp\Payment Advice - Advice Ref[A26bxFeVaGBy].bat.exe"C:\Users\Admin\AppData\Local\Temp\Payment Advice - Advice Ref[A26bxFeVaGBy].bat.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
-
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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=4216,i,15336851255456239337,16379811035920490645,262144 --variations-seed-version --mojo-platform-channel-handle=4012 /prefetch:81⤵
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
__PSScriptPolicyTest_x554gn5z.t24.ps1
tmpA311.tmp
memory/1732-25-0x0000000005320000-0x0000000005342000-memory.dmp
memory/1732-55-0x00000000075C0000-0x00000000075DA000-memory.dmp
memory/1732-65-0x0000000074940000-0x00000000750F0000-memory.dmp
memory/1732-62-0x00000000078E0000-0x00000000078E8000-memory.dmp
memory/1732-61-0x0000000007900000-0x000000000791A000-memory.dmp
memory/1732-60-0x0000000007800000-0x0000000007814000-memory.dmp
memory/1732-59-0x00000000077F0000-0x00000000077FE000-memory.dmp
memory/1732-58-0x00000000077C0000-0x00000000077D1000-memory.dmp
memory/1732-57-0x0000000007840000-0x00000000078D6000-memory.dmp
memory/1732-15-0x0000000002980000-0x00000000029B6000-memory.dmp
memory/1732-16-0x0000000074940000-0x00000000750F0000-memory.dmp
memory/1732-19-0x00000000053B0000-0x00000000059D8000-memory.dmp
memory/1732-18-0x0000000074940000-0x00000000750F0000-memory.dmp
memory/1732-56-0x0000000007630000-0x000000000763A000-memory.dmp
memory/1732-20-0x0000000074940000-0x00000000750F0000-memory.dmp
memory/1732-54-0x0000000007C10000-0x000000000828A000-memory.dmp
memory/1732-53-0x0000000007280000-0x0000000007323000-memory.dmp
memory/1732-52-0x0000000006850000-0x000000000686E000-memory.dmp
memory/1732-26-0x0000000005A50000-0x0000000005AB6000-memory.dmp
memory/1732-27-0x0000000005B30000-0x0000000005B96000-memory.dmp
memory/1732-42-0x0000000070370000-0x00000000703BC000-memory.dmp
memory/1732-41-0x0000000006870000-0x00000000068A2000-memory.dmp
memory/1732-28-0x0000000005CE0000-0x0000000006034000-memory.dmp
memory/1732-40-0x00000000062D0000-0x000000000631C000-memory.dmp
memory/1732-39-0x00000000062A0000-0x00000000062BE000-memory.dmp
memory/3632-6-0x0000000005670000-0x000000000570C000-memory.dmp
memory/3632-5-0x0000000074940000-0x00000000750F0000-memory.dmp
memory/3632-1-0x0000000000980000-0x0000000000A48000-memory.dmp
memory/3632-7-0x0000000006BE0000-0x0000000006BFA000-memory.dmp
memory/3632-24-0x0000000074940000-0x00000000750F0000-memory.dmp
memory/3632-4-0x00000000055A0000-0x00000000055AA000-memory.dmp
memory/3632-0-0x000000007494E000-0x000000007494F000-memory.dmp
memory/3632-10-0x0000000004DF0000-0x0000000004E7C000-memory.dmp
memory/3632-3-0x00000000053E0000-0x0000000005472000-memory.dmp
memory/3632-8-0x0000000006650000-0x000000000665E000-memory.dmp
memory/3632-2-0x0000000005890000-0x0000000005E34000-memory.dmp
memory/3632-9-0x0000000006660000-0x0000000006676000-memory.dmp
memory/4692-21-0x0000000000400000-0x0000000000448000-memory.dmp
memory/4692-38-0x0000000074940000-0x00000000750F0000-memory.dmp
memory/4692-23-0x0000000074940000-0x00000000750F0000-memory.dmp
memory/4692-66-0x0000000006E70000-0x0000000007032000-memory.dmp
memory/4692-67-0x0000000006D10000-0x0000000006D60000-memory.dmp
memory/4692-68-0x0000000007570000-0x0000000007A9C000-memory.dmp
memory/4692-69-0x0000000074940000-0x00000000750F0000-memory.dmp