Analysis

  • max time kernel
    148s
  • max time network
    149s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20240802-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20240802-enlocale:en-usos:windows10-2004-x64system
  • submitted
    01-10-2024 08:54

General

  • Target

    WIpGif4IRrFfamQ.exe

  • Size

    751KB

  • MD5

    102c9ce1c659517c4ea924c2044305b7

  • SHA1

    942b0a7e2077eca38b9b6ff16d89722cbbbf7002

  • SHA256

    b31cbc6ec2eb2b790c422f0f960bb1436106d92958703cb005ccdef38887e310

  • SHA512

    eca6ed6a871e9fbee67feb73534bff544f052d6b3e1058a68b4602f159f089193f0f576384e6cd49373d50200d71bb4aeadd151c0fb81a77a6246849af2f39f6

  • SSDEEP

    12288:L3TmP4kyFSnIZgc1D7COp2JwlmsxS4kZHtfi390V+KA7rC7LOmDZ:2gBOI9D7CO0JqTSRNfiQsG7LOmD

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.

  • Command and Scripting Interpreter: PowerShell 1 TTPs 2 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 5 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 10 IoCs
  • Suspicious use of AdjustPrivilegeToken 4 IoCs
  • Suspicious use of WriteProcessMemory 20 IoCs
  • outlook_office_path 1 IoCs
  • outlook_win_path 1 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\WIpGif4IRrFfamQ.exe
    "C:\Users\Admin\AppData\Local\Temp\WIpGif4IRrFfamQ.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
    PID:3156
    • C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe
      "C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" Add-MpPreference -ExclusionPath "C:\Users\Admin\AppData\Local\Temp\WIpGif4IRrFfamQ.exe"
      2⤵
      • Command and Scripting Interpreter: PowerShell
      • System Location Discovery: System Language Discovery
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      PID:224
    • C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe
      "C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" Add-MpPreference -ExclusionPath "C:\Users\Admin\AppData\Roaming\AcEnrS.exe"
      2⤵
      • Command and Scripting Interpreter: PowerShell
      • System Location Discovery: System Language Discovery
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      PID:3484
    • C:\Windows\SysWOW64\schtasks.exe
      "C:\Windows\System32\schtasks.exe" /Create /TN "Updates\AcEnrS" /XML "C:\Users\Admin\AppData\Local\Temp\tmpE956.tmp"
      2⤵
      • System Location Discovery: System Language Discovery
      • Scheduled Task/Job: Scheduled Task
      PID:208
    • C:\Users\Admin\AppData\Local\Temp\WIpGif4IRrFfamQ.exe
      "C:\Users\Admin\AppData\Local\Temp\WIpGif4IRrFfamQ.exe"
      2⤵
        PID:380
      • C:\Users\Admin\AppData\Local\Temp\WIpGif4IRrFfamQ.exe
        "C:\Users\Admin\AppData\Local\Temp\WIpGif4IRrFfamQ.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
        PID:1992

    Network

    MITRE ATT&CK Enterprise v15

    Replay Monitor

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    Downloads

    • C:\Users\Admin\AppData\Local\Microsoft\CLR_v4.0_32\UsageLogs\powershell.exe.log

      Filesize

      2KB

      MD5

      3d086a433708053f9bf9523e1d87a4e8

      SHA1

      b3ab5d4f282a4c8fe8c3005b8a557ed5a0e37f28

      SHA256

      6f8fd1b8d9788ad54eaeee329232187e24b7b43393a01aeba2d6e9675231fb69

      SHA512

      931ae42b4c68a4507ff2342332b08eb407050d47cf4176137ea022d0f6e513c689e998445a04c6d18d4877391705c586bfce0234632b898d41aaed0957996dfd

    • C:\Users\Admin\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-NonInteractive

      Filesize

      18KB

      MD5

      af8b16a289a327758c93e4210e9beee0

      SHA1

      4ce4ca98a173ef321d80d82871e98406f995f9eb

      SHA256

      44d83b5d899527c1de03a2f65b120acd3d126821899017d9bb559cbea640db3b

      SHA512

      b5896a063a61f891e05ab15b2b5dc0534c1bd37382330587737b41b9f0392adfd08e3b2bc4e6f666a9381f22d21388f9f2fc525f39ea9fe4680627f649615f41

    • C:\Users\Admin\AppData\Local\Temp\__PSScriptPolicyTest_spa0pp1h.ubm.ps1

      Filesize

      60B

      MD5

      d17fe0a3f47be24a6453e9ef58c94641

      SHA1

      6ab83620379fc69f80c0242105ddffd7d98d5d9d

      SHA256

      96ad1146eb96877eab5942ae0736b82d8b5e2039a80d3d6932665c1a4c87dcf7

      SHA512

      5b592e58f26c264604f98f6aa12860758ce606d1c63220736cf0c779e4e18e3cec8706930a16c38b20161754d1017d1657d35258e58ca22b18f5b232880dec82

    • C:\Users\Admin\AppData\Local\Temp\tmpE956.tmp

      Filesize

      1KB

      MD5

      e9c08ec0a64c0e747d42ed45fa10c1fc

      SHA1

      2563e61bff792b199eb5741459bc62a5f574ded8

      SHA256

      d823defbed1399970317e167300ea96694d0ef7c0b53d78ba50b302615cf9d67

      SHA512

      0e2d218fa38a804b0ccf99886dfc0110225ad739b9fb51611c05bf3cf0fc74a056f9893610e365e0b4b040a9341d45b3e41d93c0181fe2dc0b951f637940adff

    • memory/224-43-0x00000000060B0000-0x0000000006404000-memory.dmp

      Filesize

      3.3MB

    • memory/224-15-0x0000000002D70000-0x0000000002DA6000-memory.dmp

      Filesize

      216KB

    • memory/224-69-0x0000000070140000-0x000000007018C000-memory.dmp

      Filesize

      304KB

    • memory/224-21-0x0000000005FD0000-0x0000000006036000-memory.dmp

      Filesize

      408KB

    • memory/224-20-0x00000000055D0000-0x00000000055F2000-memory.dmp

      Filesize

      136KB

    • memory/224-38-0x00000000752C0000-0x0000000075A70000-memory.dmp

      Filesize

      7.7MB

    • memory/224-22-0x0000000006040000-0x00000000060A6000-memory.dmp

      Filesize

      408KB

    • memory/224-89-0x00000000752C0000-0x0000000075A70000-memory.dmp

      Filesize

      7.7MB

    • memory/224-16-0x00000000752C0000-0x0000000075A70000-memory.dmp

      Filesize

      7.7MB

    • memory/224-17-0x0000000005930000-0x0000000005F58000-memory.dmp

      Filesize

      6.2MB

    • memory/224-18-0x00000000752C0000-0x0000000075A70000-memory.dmp

      Filesize

      7.7MB

    • memory/1992-91-0x0000000006CF0000-0x0000000006D40000-memory.dmp

      Filesize

      320KB

    • memory/1992-90-0x0000000006E70000-0x0000000007032000-memory.dmp

      Filesize

      1.8MB

    • memory/1992-46-0x0000000000400000-0x000000000044A000-memory.dmp

      Filesize

      296KB

    • memory/3156-49-0x00000000752C0000-0x0000000075A70000-memory.dmp

      Filesize

      7.7MB

    • memory/3156-6-0x0000000005520000-0x000000000553E000-memory.dmp

      Filesize

      120KB

    • memory/3156-10-0x000000000AFE0000-0x000000000B07C000-memory.dmp

      Filesize

      624KB

    • memory/3156-9-0x0000000002990000-0x0000000002A1C000-memory.dmp

      Filesize

      560KB

    • memory/3156-8-0x00000000752C0000-0x0000000075A70000-memory.dmp

      Filesize

      7.7MB

    • memory/3156-7-0x00000000752CE000-0x00000000752CF000-memory.dmp

      Filesize

      4KB

    • memory/3156-0-0x00000000752CE000-0x00000000752CF000-memory.dmp

      Filesize

      4KB

    • memory/3156-1-0x0000000000590000-0x0000000000652000-memory.dmp

      Filesize

      776KB

    • memory/3156-2-0x0000000005570000-0x0000000005B14000-memory.dmp

      Filesize

      5.6MB

    • memory/3156-3-0x0000000005060000-0x00000000050F2000-memory.dmp

      Filesize

      584KB

    • memory/3156-4-0x00000000051F0000-0x00000000051FA000-memory.dmp

      Filesize

      40KB

    • memory/3156-5-0x00000000752C0000-0x0000000075A70000-memory.dmp

      Filesize

      7.7MB

    • memory/3484-65-0x0000000007650000-0x000000000766A000-memory.dmp

      Filesize

      104KB

    • memory/3484-79-0x0000000007880000-0x000000000788E000-memory.dmp

      Filesize

      56KB

    • memory/3484-51-0x00000000074D0000-0x0000000007502000-memory.dmp

      Filesize

      200KB

    • memory/3484-19-0x00000000752C0000-0x0000000075A70000-memory.dmp

      Filesize

      7.7MB

    • memory/3484-64-0x0000000007C90000-0x000000000830A000-memory.dmp

      Filesize

      6.5MB

    • memory/3484-66-0x00000000076C0000-0x00000000076CA000-memory.dmp

      Filesize

      40KB

    • memory/3484-67-0x00000000078D0000-0x0000000007966000-memory.dmp

      Filesize

      600KB

    • memory/3484-68-0x0000000007850000-0x0000000007861000-memory.dmp

      Filesize

      68KB

    • memory/3484-63-0x0000000007510000-0x00000000075B3000-memory.dmp

      Filesize

      652KB

    • memory/3484-52-0x0000000070140000-0x000000007018C000-memory.dmp

      Filesize

      304KB

    • memory/3484-80-0x0000000007890000-0x00000000078A4000-memory.dmp

      Filesize

      80KB

    • memory/3484-81-0x0000000007990000-0x00000000079AA000-memory.dmp

      Filesize

      104KB

    • memory/3484-82-0x0000000007970000-0x0000000007978000-memory.dmp

      Filesize

      32KB

    • memory/3484-62-0x00000000068A0000-0x00000000068BE000-memory.dmp

      Filesize

      120KB

    • memory/3484-50-0x00000000068F0000-0x000000000693C000-memory.dmp

      Filesize

      304KB

    • memory/3484-44-0x00000000752C0000-0x0000000075A70000-memory.dmp

      Filesize

      7.7MB

    • memory/3484-88-0x00000000752C0000-0x0000000075A70000-memory.dmp

      Filesize

      7.7MB

    • memory/3484-45-0x00000000752C0000-0x0000000075A70000-memory.dmp

      Filesize

      7.7MB

    • memory/3484-48-0x0000000006310000-0x000000000632E000-memory.dmp

      Filesize

      120KB