Analysis

  • max time kernel
    148s
  • max time network
    150s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20241007-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-x64system
  • submitted
    10-12-2024 15:36

General

  • Target

    ST07933.exe

  • Size

    820KB

  • MD5

    d9c24eb3137fb3e1f939625d3076bb0f

  • SHA1

    9d06b465b4e137dccc09aa583fd928bbcf2275aa

  • SHA256

    02184b32f1b3e76b78acf7e889f3f581ef65696df1f64efb9bfe3b2d2ccabfd6

  • SHA512

    f1d6e69a72deb762416c0954faa05196debc9b6b53ab9a38621dbeb0175dd907ce4758b0aea6f78501b5b9a6c8307c50a10fe7c6e4af72415c9a573d08baf057

  • SSDEEP

    24576:wTkQIwLXEADfmo/SbKdsyjlR4MsfZV+ER/r:qvTDf6bKdsalRpsfZV+q/r

Malware Config

Extracted

Family

vipkeylogger

Credentials

Signatures

  • VIPKeylogger

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

  • Vipkeylogger family
  • 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.

  • Drops file in System32 directory 1 IoCs
  • Suspicious use of NtCreateThreadExHideFromDebugger 1 IoCs
  • Suspicious use of NtSetInformationThreadHideFromDebugger 2 IoCs
  • Drops file in Program Files directory 1 IoCs
  • Browser Information Discovery 1 TTPs

    Enumerate browser information.

  • Command and Scripting Interpreter: PowerShell 1 TTPs 1 IoCs

    Using powershell.exe command.

  • 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\ST07933.exe
    "C:\Users\Admin\AppData\Local\Temp\ST07933.exe"
    1⤵
    • Drops file in System32 directory
    • Drops file in Program Files directory
    • System Location Discovery: System Language Discovery
    • Suspicious use of WriteProcessMemory
    PID:3220
    • C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe
      "powershell.exe" -windowstyle minimized "$Dudleyite119=Get-Content -Raw 'C:\Users\Admin\AppData\Local\Temp\depersonaliseredes\Faldgruberne\Proterandrous.Dis';$Interlaminating=$Dudleyite119.SubString(7465,3);.$Interlaminating($Dudleyite119)"
      2⤵
      • Suspicious use of NtSetInformationThreadHideFromDebugger
      • Command and Scripting Interpreter: PowerShell
      • System Location Discovery: System Language Discovery
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious behavior: MapViewOfSection
      • Suspicious use of AdjustPrivilegeToken
      • Suspicious use of WriteProcessMemory
      PID:536
      • 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
        PID:5104

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

Loading Replay Monitor...

Downloads

  • C:\Users\Admin\AppData\Local\Temp\__PSScriptPolicyTest_tymjop5p.lcd.ps1

    Filesize

    60B

    MD5

    d17fe0a3f47be24a6453e9ef58c94641

    SHA1

    6ab83620379fc69f80c0242105ddffd7d98d5d9d

    SHA256

    96ad1146eb96877eab5942ae0736b82d8b5e2039a80d3d6932665c1a4c87dcf7

    SHA512

    5b592e58f26c264604f98f6aa12860758ce606d1c63220736cf0c779e4e18e3cec8706930a16c38b20161754d1017d1657d35258e58ca22b18f5b232880dec82

  • C:\Users\Admin\AppData\Local\Temp\depersonaliseredes\Faldgruberne\Proterandrous.Dis

    Filesize

    71KB

    MD5

    92abdd2b532425d14efa291e5d5780b3

    SHA1

    489bac8d9c5f423a1f92f7ad618b5c2b288fdd69

    SHA256

    86aecbcc718243267fef6fa993e76cc33e49b708e68353b982cc4af30ce7876b

    SHA512

    b8b6b3a16eb40cb6a778e7e77c289aebdb685c170d173ddf59034a6546b7dbc6e4216ff92ee36f2eeb84ab6f3becd838732689f9ce54db94858fb754a4276e61

  • C:\Users\Admin\AppData\Local\Temp\depersonaliseredes\Gentry.tit

    Filesize

    293KB

    MD5

    97558276c365fbe801720b97d8f39edb

    SHA1

    bc27ec1aaf395a74aa8d7fb85a8e52f86b23c7fd

    SHA256

    7af8da81126c1341ca58e7010715cc4bc8b18ff206a3b3d4a4a5f8a72fa9e899

    SHA512

    7ac1d867e0fe4b25781ea8c70c162a042684c27e6a50e3a3dabfa02513109109211bc3f78854d9604ccd661c32549519e6950f1982b4951ef51dc363f8e49e43

  • memory/536-6-0x00000000736BE000-0x00000000736BF000-memory.dmp

    Filesize

    4KB

  • memory/536-7-0x0000000003090000-0x00000000030C6000-memory.dmp

    Filesize

    216KB

  • memory/536-9-0x00000000736B0000-0x0000000073E60000-memory.dmp

    Filesize

    7.7MB

  • memory/536-8-0x0000000005900000-0x0000000005F28000-memory.dmp

    Filesize

    6.2MB

  • memory/536-10-0x00000000057D0000-0x00000000057F2000-memory.dmp

    Filesize

    136KB

  • memory/536-11-0x00000000736B0000-0x0000000073E60000-memory.dmp

    Filesize

    7.7MB

  • memory/536-13-0x0000000006040000-0x00000000060A6000-memory.dmp

    Filesize

    408KB

  • memory/536-12-0x0000000005FD0000-0x0000000006036000-memory.dmp

    Filesize

    408KB

  • memory/536-23-0x00000000060B0000-0x0000000006404000-memory.dmp

    Filesize

    3.3MB

  • memory/536-24-0x0000000006690000-0x00000000066AE000-memory.dmp

    Filesize

    120KB

  • memory/536-25-0x00000000066E0000-0x000000000672C000-memory.dmp

    Filesize

    304KB

  • memory/536-26-0x0000000006C30000-0x0000000006CC6000-memory.dmp

    Filesize

    600KB

  • memory/536-27-0x0000000006BF0000-0x0000000006C0A000-memory.dmp

    Filesize

    104KB

  • memory/536-28-0x0000000007890000-0x00000000078B2000-memory.dmp

    Filesize

    136KB

  • memory/536-29-0x0000000007E70000-0x0000000008414000-memory.dmp

    Filesize

    5.6MB

  • memory/536-31-0x0000000008AA0000-0x000000000911A000-memory.dmp

    Filesize

    6.5MB

  • memory/536-33-0x000000006FB40000-0x000000006FB8C000-memory.dmp

    Filesize

    304KB

  • memory/536-32-0x0000000007AA0000-0x0000000007AD2000-memory.dmp

    Filesize

    200KB

  • memory/536-44-0x0000000007AE0000-0x0000000007AFE000-memory.dmp

    Filesize

    120KB

  • memory/536-43-0x00000000736B0000-0x0000000073E60000-memory.dmp

    Filesize

    7.7MB

  • memory/536-45-0x00000000736B0000-0x0000000073E60000-memory.dmp

    Filesize

    7.7MB

  • memory/536-46-0x0000000007B10000-0x0000000007BB3000-memory.dmp

    Filesize

    652KB

  • memory/536-47-0x0000000007C10000-0x0000000007C1A000-memory.dmp

    Filesize

    40KB

  • memory/536-48-0x0000000007D90000-0x0000000007DA1000-memory.dmp

    Filesize

    68KB

  • memory/536-49-0x0000000007DC0000-0x0000000007DCE000-memory.dmp

    Filesize

    56KB

  • memory/536-50-0x0000000007DD0000-0x0000000007DE4000-memory.dmp

    Filesize

    80KB

  • memory/536-51-0x0000000007E10000-0x0000000007E2A000-memory.dmp

    Filesize

    104KB

  • memory/536-52-0x0000000007E00000-0x0000000007E08000-memory.dmp

    Filesize

    32KB

  • memory/536-53-0x0000000007E10000-0x0000000007E3A000-memory.dmp

    Filesize

    168KB

  • memory/536-54-0x0000000007E40000-0x0000000007E64000-memory.dmp

    Filesize

    144KB

  • memory/536-56-0x00000000736B0000-0x0000000073E60000-memory.dmp

    Filesize

    7.7MB

  • memory/536-55-0x00000000736BE000-0x00000000736BF000-memory.dmp

    Filesize

    4KB

  • memory/536-57-0x00000000736B0000-0x0000000073E60000-memory.dmp

    Filesize

    7.7MB

  • memory/536-58-0x00000000736B0000-0x0000000073E60000-memory.dmp

    Filesize

    7.7MB

  • memory/536-59-0x00000000736B0000-0x0000000073E60000-memory.dmp

    Filesize

    7.7MB

  • memory/536-61-0x00000000736B0000-0x0000000073E60000-memory.dmp

    Filesize

    7.7MB

  • memory/536-62-0x00000000736B0000-0x0000000073E60000-memory.dmp

    Filesize

    7.7MB

  • memory/536-63-0x00000000736B0000-0x0000000073E60000-memory.dmp

    Filesize

    7.7MB

  • memory/536-64-0x0000000009120000-0x000000000E2BB000-memory.dmp

    Filesize

    81.6MB

  • memory/536-66-0x00000000736B0000-0x0000000073E60000-memory.dmp

    Filesize

    7.7MB

  • memory/536-67-0x00000000736B0000-0x0000000073E60000-memory.dmp

    Filesize

    7.7MB

  • memory/536-68-0x00000000736B0000-0x0000000073E60000-memory.dmp

    Filesize

    7.7MB

  • memory/5104-81-0x0000000000E00000-0x0000000002054000-memory.dmp

    Filesize

    18.3MB

  • memory/5104-82-0x0000000000E00000-0x0000000002054000-memory.dmp

    Filesize

    18.3MB

  • memory/5104-83-0x0000000000E00000-0x0000000000E48000-memory.dmp

    Filesize

    288KB

  • memory/5104-84-0x0000000025230000-0x00000000252CC000-memory.dmp

    Filesize

    624KB

  • memory/5104-86-0x0000000025EC0000-0x0000000026082000-memory.dmp

    Filesize

    1.8MB

  • memory/5104-87-0x0000000025660000-0x00000000256B0000-memory.dmp

    Filesize

    320KB

  • memory/5104-88-0x0000000025D90000-0x0000000025E22000-memory.dmp

    Filesize

    584KB

  • memory/5104-89-0x00000000256F0000-0x00000000256FA000-memory.dmp

    Filesize

    40KB