Analysis

  • max time kernel
    148s
  • max time network
    150s
  • platform
    windows7_x64
  • resource
    win7-20240903-en
  • resource tags

    arch:x64arch:x86image:win7-20240903-enlocale:en-usos:windows7-x64system
  • submitted
    19/02/2025, 04:19

General

  • Target

    68765775002699ff32978e8cd956899391b045e273cf944cba0a4c13af820d18.exe

  • Size

    843KB

  • MD5

    aeabfd0534b39c526c6617466af1d780

  • SHA1

    7ffff117692cbcdeec136abd9bd7b15813d3ca35

  • SHA256

    68765775002699ff32978e8cd956899391b045e273cf944cba0a4c13af820d18

  • SHA512

    b7edcbda504deb93cfe9907eaf961dba3daf429e8d7f0442d6beab1e5741ced5810ba408d0787ef95e2a0d6b6169c4793223a05483b9c4c2c79540593c16010f

  • SSDEEP

    12288:ROovHlb/a13/KiTO5rry72+QwfgivOKFd01e0B:RZle1vHTO5r9Cl0B

Malware Config

Extracted

Family

vipkeylogger

Credentials

Signatures

  • Modifies WinLogon for persistence 2 TTPs 2 IoCs
  • VIPKeylogger

    VIPKeylogger is a keylogger and infostealer written in C# and it resembles SnakeKeylogger that was found in 2020.

  • Vipkeylogger family
  • Drops startup file 2 IoCs
  • Executes dropped EXE 1 IoCs
  • Loads dropped DLL 2 IoCs
  • Looks up external IP address via web service 3 IoCs

    Uses a legitimate IP lookup service to find the infected system's external IP.

  • Suspicious use of SetThreadContext 1 IoCs
  • Enumerates physical storage devices 1 TTPs

    Attempts to interact with connected storage/optical drive(s).

  • System Location Discovery: System Language Discovery 1 TTPs 13 IoCs

    Attempt gather information about the system language of a victim in order to infer the geographical location of that host.

  • System Network Configuration Discovery: Internet Connection Discovery 1 TTPs 7 IoCs

    Adversaries may check for Internet connectivity on compromised systems.

  • Runs ping.exe 1 TTPs 4 IoCs
  • Suspicious behavior: EnumeratesProcesses 12 IoCs
  • Suspicious behavior: RenamesItself 1 IoCs
  • Suspicious use of AdjustPrivilegeToken 4 IoCs
  • Suspicious use of WriteProcessMemory 56 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\68765775002699ff32978e8cd956899391b045e273cf944cba0a4c13af820d18.exe
    "C:\Users\Admin\AppData\Local\Temp\68765775002699ff32978e8cd956899391b045e273cf944cba0a4c13af820d18.exe"
    1⤵
    • System Location Discovery: System Language Discovery
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious behavior: RenamesItself
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of WriteProcessMemory
    PID:2316
    • C:\Windows\SysWOW64\cmd.exe
      "cmd" /c ping 127.0.0.1 -n 17 > nul && REG ADD "HKCU\Software\Microsoft\Windows NT\CurrentVersion\Winlogon" /f /v "Shell" /t REG_SZ /d "explorer.exe,C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\skype\skype.exe,"
      2⤵
      • System Location Discovery: System Language Discovery
      • System Network Configuration Discovery: Internet Connection Discovery
      • Suspicious use of WriteProcessMemory
      PID:2328
      • C:\Windows\SysWOW64\PING.EXE
        ping 127.0.0.1 -n 17
        3⤵
        • System Location Discovery: System Language Discovery
        • System Network Configuration Discovery: Internet Connection Discovery
        • Runs ping.exe
        PID:2252
      • C:\Windows\SysWOW64\reg.exe
        REG ADD "HKCU\Software\Microsoft\Windows NT\CurrentVersion\Winlogon" /f /v "Shell" /t REG_SZ /d "explorer.exe,C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\skype\skype.exe,"
        3⤵
        • Modifies WinLogon for persistence
        • System Location Discovery: System Language Discovery
        PID:2648
    • C:\Users\Admin\AppData\Local\Temp\skype.exe
      "C:\Users\Admin\AppData\Local\Temp\skype.exe"
      2⤵
      • System Location Discovery: System Language Discovery
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      • Suspicious use of WriteProcessMemory
      PID:2228
      • C:\Windows\SysWOW64\cmd.exe
        "cmd" /c ping 127.0.0.1 -n 19 > nul && REG ADD "HKCU\Software\Microsoft\Windows NT\CurrentVersion\Winlogon" /f /v "Shell" /t REG_SZ /d "explorer.exe,C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\skype\skype.exe,"
        3⤵
        • System Location Discovery: System Language Discovery
        • System Network Configuration Discovery: Internet Connection Discovery
        • Suspicious use of WriteProcessMemory
        PID:2716
        • C:\Windows\SysWOW64\PING.EXE
          ping 127.0.0.1 -n 19
          4⤵
          • System Location Discovery: System Language Discovery
          • System Network Configuration Discovery: Internet Connection Discovery
          • Runs ping.exe
          PID:2592
        • C:\Windows\SysWOW64\reg.exe
          REG ADD "HKCU\Software\Microsoft\Windows NT\CurrentVersion\Winlogon" /f /v "Shell" /t REG_SZ /d "explorer.exe,C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\skype\skype.exe,"
          4⤵
          • Modifies WinLogon for persistence
          • System Location Discovery: System Language Discovery
          PID:2444
      • C:\Windows\SysWOW64\cmd.exe
        "cmd" /c ping 127.0.0.1 -n 25 > nul && copy "C:\Users\Admin\AppData\Local\Temp\skype.exe" "C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\skype\skype.exe" && ping 127.0.0.1 -n 25 > nul && "C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\skype\skype.exe"
        3⤵
        • Drops startup file
        • Loads dropped DLL
        • System Location Discovery: System Language Discovery
        • System Network Configuration Discovery: Internet Connection Discovery
        • Suspicious use of WriteProcessMemory
        PID:2856
        • C:\Windows\SysWOW64\PING.EXE
          ping 127.0.0.1 -n 25
          4⤵
          • System Location Discovery: System Language Discovery
          • System Network Configuration Discovery: Internet Connection Discovery
          • Runs ping.exe
          PID:2500
        • C:\Windows\SysWOW64\PING.EXE
          ping 127.0.0.1 -n 25
          4⤵
          • System Location Discovery: System Language Discovery
          • System Network Configuration Discovery: Internet Connection Discovery
          • Runs ping.exe
          PID:1804
        • C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\skype\skype.exe
          "C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\skype\skype.exe"
          4⤵
          • Executes dropped EXE
          • Suspicious use of SetThreadContext
          • System Location Discovery: System Language Discovery
          • Suspicious behavior: EnumeratesProcesses
          • Suspicious use of AdjustPrivilegeToken
          • Suspicious use of WriteProcessMemory
          PID:1284
          • C:\Windows\Microsoft.NET\Framework\v4.0.30319\InstallUtil.exe
            "C:\Windows\Microsoft.NET\Framework\v4.0.30319\InstallUtil.exe"
            5⤵
            • System Location Discovery: System Language Discovery
            • Suspicious behavior: EnumeratesProcesses
            • Suspicious use of AdjustPrivilegeToken
            PID:2192

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

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Downloads

  • \Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\skype\skype.exe

    Filesize

    843KB

    MD5

    aeabfd0534b39c526c6617466af1d780

    SHA1

    7ffff117692cbcdeec136abd9bd7b15813d3ca35

    SHA256

    68765775002699ff32978e8cd956899391b045e273cf944cba0a4c13af820d18

    SHA512

    b7edcbda504deb93cfe9907eaf961dba3daf429e8d7f0442d6beab1e5741ced5810ba408d0787ef95e2a0d6b6169c4793223a05483b9c4c2c79540593c16010f

  • memory/1284-22-0x0000000000290000-0x0000000000296000-memory.dmp

    Filesize

    24KB

  • memory/1284-21-0x0000000000770000-0x000000000078A000-memory.dmp

    Filesize

    104KB

  • memory/1284-20-0x0000000000040000-0x0000000000118000-memory.dmp

    Filesize

    864KB

  • memory/2192-25-0x0000000000400000-0x000000000044A000-memory.dmp

    Filesize

    296KB

  • memory/2192-24-0x0000000000400000-0x000000000044A000-memory.dmp

    Filesize

    296KB

  • memory/2192-33-0x0000000000400000-0x000000000044A000-memory.dmp

    Filesize

    296KB

  • memory/2192-34-0x0000000000400000-0x000000000044A000-memory.dmp

    Filesize

    296KB

  • memory/2192-32-0x0000000000400000-0x000000000044A000-memory.dmp

    Filesize

    296KB

  • memory/2192-31-0x000000007EFDE000-0x000000007EFDF000-memory.dmp

    Filesize

    4KB

  • memory/2192-29-0x0000000000400000-0x000000000044A000-memory.dmp

    Filesize

    296KB

  • memory/2192-27-0x0000000000400000-0x000000000044A000-memory.dmp

    Filesize

    296KB

  • memory/2228-9-0x0000000074710000-0x0000000074DFE000-memory.dmp

    Filesize

    6.9MB

  • memory/2228-8-0x0000000074710000-0x0000000074DFE000-memory.dmp

    Filesize

    6.9MB

  • memory/2228-7-0x0000000074710000-0x0000000074DFE000-memory.dmp

    Filesize

    6.9MB

  • memory/2228-6-0x0000000074710000-0x0000000074DFE000-memory.dmp

    Filesize

    6.9MB

  • memory/2316-1-0x0000000000B90000-0x0000000000C68000-memory.dmp

    Filesize

    864KB

  • memory/2316-2-0x0000000074710000-0x0000000074DFE000-memory.dmp

    Filesize

    6.9MB

  • memory/2316-0-0x000000007471E000-0x000000007471F000-memory.dmp

    Filesize

    4KB

  • memory/2316-3-0x0000000000960000-0x00000000009A2000-memory.dmp

    Filesize

    264KB

  • memory/2316-4-0x0000000074710000-0x0000000074DFE000-memory.dmp

    Filesize

    6.9MB

  • memory/2316-5-0x0000000074710000-0x0000000074DFE000-memory.dmp

    Filesize

    6.9MB