Analysis
- max time kernel
137s - max time network
129s - platform
windows10-2004_x64 - resource
win10v2004-20240802-en - resource tags
- submitted
06/10/2024, 01:00
General
- Target 01ab4d20ae687b065b10fdf3f3243a46a320dcec4b3a9a8e0cafcc0878aa1800.exe
- Size 918KB
- Sample241006-bcrg1sseqe
- SHA256 01ab4d20ae687b065b10fdf3f3243a46a320dcec4b3a9a8e0cafcc0878aa1800
Malware Config
Extracted
-
Protocol
smtp
-
Host
smtp.gmail.com
-
Port
587
-
Username
-
Password
lyao lcfc jjdk kszy
Extracted
-
vipkeylogger
-
Protocol
smtp
-
Host
smtp.gmail.com
-
Port
587
-
Username
-
Password
lyao lcfc jjdk kszy
-
Email to
Signatures
- VIPKeylogger
VIPKeylogger is a keylogger and infostealer written in C# and it resembles SnakeKeylogger that was found in 2020.
- 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 11 IoCs
- Suspicious behavior: GetForegroundWindowSpam 1 IoCs
- Suspicious use of AdjustPrivilegeToken 3 IoCs
- Suspicious use of SetWindowsHookEx 1 IoCs
- Suspicious use of WriteProcessMemory 17 IoCs
- outlook_office_path 1 IoCs
- outlook_win_path 1 IoCs
Processes
-
C:\Users\Admin\AppData\Local\Temp\01ab4d20ae687b065b10fdf3f3243a46a320dcec4b3a9a8e0cafcc0878aa1800.exe"C:\Users\Admin\AppData\Local\Temp\01ab4d20ae687b065b10fdf3f3243a46a320dcec4b3a9a8e0cafcc0878aa1800.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
-
C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe"C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" Add-MpPreference -ExclusionPath "C:\Users\Admin\AppData\Roaming\HHThpiDlknLb.exe"2⤵
- Command and Scripting Interpreter: PowerShell
- System Location Discovery: System Language Discovery
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
-
-
C:\Windows\SysWOW64\schtasks.exe"C:\Windows\System32\schtasks.exe" /Create /TN "Updates\HHThpiDlknLb" /XML "C:\Users\Admin\AppData\Local\Temp\tmp8920.tmp"2⤵
- System Location Discovery: System Language Discovery
- Scheduled Task/Job: Scheduled Task
-
-
C:\Users\Admin\AppData\Local\Temp\01ab4d20ae687b065b10fdf3f3243a46a320dcec4b3a9a8e0cafcc0878aa1800.exe"C:\Users\Admin\AppData\Local\Temp\01ab4d20ae687b065b10fdf3f3243a46a320dcec4b3a9a8e0cafcc0878aa1800.exe"2⤵
-
-
C:\Users\Admin\AppData\Local\Temp\01ab4d20ae687b065b10fdf3f3243a46a320dcec4b3a9a8e0cafcc0878aa1800.exe"C:\Users\Admin\AppData\Local\Temp\01ab4d20ae687b065b10fdf3f3243a46a320dcec4b3a9a8e0cafcc0878aa1800.exe"2⤵
- Accesses Microsoft Outlook profiles
- System Location Discovery: System Language Discovery
- Suspicious behavior: EnumeratesProcesses
- Suspicious behavior: GetForegroundWindowSpam
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of SetWindowsHookEx
- outlook_office_path
- outlook_win_path
-
-
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=4380,i,11251706013556949551,5157034131170452377,262144 --variations-seed-version --mojo-platform-channel-handle=4188 /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_wbcdh1fi.bka.ps1
tmp8920.tmp
memory/3148-36-0x0000000005E40000-0x0000000006194000-memory.dmp
memory/3148-22-0x0000000005490000-0x00000000054B2000-memory.dmp
memory/3148-64-0x0000000075330000-0x0000000075AE0000-memory.dmp
memory/3148-61-0x0000000007AA0000-0x0000000007AA8000-memory.dmp
memory/3148-60-0x0000000007AC0000-0x0000000007ADA000-memory.dmp
memory/3148-59-0x00000000079C0000-0x00000000079D4000-memory.dmp
memory/3148-58-0x00000000079B0000-0x00000000079BE000-memory.dmp
memory/3148-57-0x0000000007980000-0x0000000007991000-memory.dmp
memory/3148-56-0x0000000007A00000-0x0000000007A96000-memory.dmp
memory/3148-15-0x0000000004E90000-0x0000000004EC6000-memory.dmp
memory/3148-16-0x0000000075330000-0x0000000075AE0000-memory.dmp
memory/3148-17-0x0000000005500000-0x0000000005B28000-memory.dmp
memory/3148-19-0x0000000075330000-0x0000000075AE0000-memory.dmp
memory/3148-55-0x00000000077F0000-0x00000000077FA000-memory.dmp
memory/3148-21-0x0000000075330000-0x0000000075AE0000-memory.dmp
memory/3148-54-0x0000000007780000-0x000000000779A000-memory.dmp
memory/3148-53-0x0000000007DD0000-0x000000000844A000-memory.dmp
memory/3148-52-0x0000000007660000-0x0000000007703000-memory.dmp
memory/3148-23-0x0000000005CA0000-0x0000000005D06000-memory.dmp
memory/3148-51-0x0000000006A20000-0x0000000006A3E000-memory.dmp
memory/3148-40-0x0000000007420000-0x0000000007452000-memory.dmp
memory/3148-41-0x0000000071950000-0x000000007199C000-memory.dmp
memory/3148-24-0x0000000005D10000-0x0000000005D76000-memory.dmp
memory/3148-38-0x0000000006430000-0x000000000644E000-memory.dmp
memory/3148-39-0x00000000064D0000-0x000000000651C000-memory.dmp
memory/3972-65-0x0000000075330000-0x0000000075AE0000-memory.dmp
memory/3972-68-0x0000000006F60000-0x000000000748C000-memory.dmp
memory/3972-67-0x00000000066F0000-0x0000000006740000-memory.dmp
memory/3972-66-0x0000000006860000-0x0000000006A22000-memory.dmp
memory/3972-25-0x0000000075330000-0x0000000075AE0000-memory.dmp
memory/3972-20-0x0000000000400000-0x000000000044A000-memory.dmp
memory/4912-8-0x0000000075330000-0x0000000075AE0000-memory.dmp
memory/4912-0-0x000000007533E000-0x000000007533F000-memory.dmp
memory/4912-10-0x000000000CAB0000-0x000000000CB4C000-memory.dmp
memory/4912-1-0x0000000000F30000-0x0000000001018000-memory.dmp
memory/4912-7-0x000000007533E000-0x000000007533F000-memory.dmp
memory/4912-6-0x0000000007110000-0x000000000712E000-memory.dmp
memory/4912-5-0x0000000075330000-0x0000000075AE0000-memory.dmp
memory/4912-4-0x0000000005AD0000-0x0000000005ADA000-memory.dmp
memory/4912-2-0x0000000005FD0000-0x0000000006574000-memory.dmp
memory/4912-37-0x0000000075330000-0x0000000075AE0000-memory.dmp
memory/4912-9-0x00000000032A0000-0x000000000332C000-memory.dmp
memory/4912-3-0x0000000005A20000-0x0000000005AB2000-memory.dmp