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Analysis

  • max time kernel
    145s
  • max time network
    142s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20241007-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-x64system
  • submitted
    22/11/2024, 02:44

General

  • Target

    87f519d29ebc3fb1b6bed4a5e7ac4865b029da69d2608548a8db34e4069673ec.exe

  • Size

    813KB

  • MD5

    998e394361bd54c58a1ad2092fca8b6c

  • SHA1

    c68e7856324a50c04ee5e1de46952ecaed47eff7

  • SHA256

    87f519d29ebc3fb1b6bed4a5e7ac4865b029da69d2608548a8db34e4069673ec

  • SHA512

    bb7af9d97e4fed96e000048828826f715fa3f229058326da25cf535629e567389b6129e72b6ef214937f0429d74d35598a7f440af6221ecc56ddeea86f9733b1

  • SSDEEP

    12288:a7CBVenOxJUbx7lU0hbB6y3bn6vlP9Ia8GIbPYkAdwvLRPC6Oe73MFce:6G+OxmF7mSB6yrnMIacPYkAevLRPJyF

Malware Config

Extracted

Family

vipkeylogger

C2

https://api.telegram.org/bot8065526741:AAEj68BwW3BsUStAxrPkDSB2kLxwQ3yik84/sendMessage?chat_id=6897585916

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.

  • 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 Windows directory 2 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\87f519d29ebc3fb1b6bed4a5e7ac4865b029da69d2608548a8db34e4069673ec.exe
    "C:\Users\Admin\AppData\Local\Temp\87f519d29ebc3fb1b6bed4a5e7ac4865b029da69d2608548a8db34e4069673ec.exe"
    1⤵
    • Drops file in System32 directory
    • Drops file in Windows directory
    • System Location Discovery: System Language Discovery
    • Suspicious use of WriteProcessMemory
    PID:3788
    • C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe
      powershell.exe -windowstyle hidden "$Barthianismens=Get-Content -raw 'C:\Users\Admin\AppData\Roaming\skittaget\lektier\Familieskabet.Sch';$Architectures=$Barthianismens.SubString(9447,3);.$Architectures($Barthianismens) "
      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
      PID:2100
      • 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:4600

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

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Downloads

  • C:\Users\Admin\AppData\Local\Temp\__PSScriptPolicyTest_y5hxjuug.siz.ps1

    Filesize

    60B

    MD5

    d17fe0a3f47be24a6453e9ef58c94641

    SHA1

    6ab83620379fc69f80c0242105ddffd7d98d5d9d

    SHA256

    96ad1146eb96877eab5942ae0736b82d8b5e2039a80d3d6932665c1a4c87dcf7

    SHA512

    5b592e58f26c264604f98f6aa12860758ce606d1c63220736cf0c779e4e18e3cec8706930a16c38b20161754d1017d1657d35258e58ca22b18f5b232880dec82

  • C:\Users\Admin\AppData\Roaming\skittaget\lektier\Familieskabet.Sch

    Filesize

    71KB

    MD5

    8149653bd363ed6762847796373192c1

    SHA1

    df385979c55013616b642bec5415ee1b89929319

    SHA256

    9296b59074488ea1a87189a1412aa652d7966a44ce2f9a297109227a953efd24

    SHA512

    a7f7937acea516c9420b3ef4c448fcec2c52956bb2b1705da0221e32df5eb59016784018bf23e6382491f63ccff23aae28ce8f84003bc4813bc7812dfd3df814

  • C:\Users\Admin\AppData\Roaming\skittaget\lektier\Sitka.Afg

    Filesize

    326KB

    MD5

    bf36880f0e8cff63a4a0a6d2e2af1107

    SHA1

    fcf08c335ed6bb98280cc47cbc4d6ae6bb0ffa32

    SHA256

    bfce8c5feaab8ce81970225d42bd77b3f919fa422ec4f7d66be0f7ff8cf29b08

    SHA512

    17aab56822fd6895209d4b474d34a78bf18faa8642d7c012e12f9f87e23d520495b5349605dedcce9092a368739b51195813bd652ec56a66a894734f57464479

  • memory/2100-50-0x00000000076A0000-0x0000000007743000-memory.dmp

    Filesize

    652KB

  • memory/2100-34-0x0000000007630000-0x0000000007662000-memory.dmp

    Filesize

    200KB

  • memory/2100-18-0x0000000005AA0000-0x0000000005AC2000-memory.dmp

    Filesize

    136KB

  • memory/2100-11-0x0000000005430000-0x0000000005A58000-memory.dmp

    Filesize

    6.2MB

  • memory/2100-24-0x0000000005D30000-0x0000000005D96000-memory.dmp

    Filesize

    408KB

  • memory/2100-23-0x0000000005C50000-0x0000000005CB6000-memory.dmp

    Filesize

    408KB

  • memory/2100-25-0x0000000005DF0000-0x0000000006144000-memory.dmp

    Filesize

    3.3MB

  • memory/2100-26-0x00000000061F0000-0x000000000620E000-memory.dmp

    Filesize

    120KB

  • memory/2100-27-0x0000000006290000-0x00000000062DC000-memory.dmp

    Filesize

    304KB

  • memory/2100-28-0x00000000073B0000-0x0000000007446000-memory.dmp

    Filesize

    600KB

  • memory/2100-29-0x0000000006710000-0x000000000672A000-memory.dmp

    Filesize

    104KB

  • memory/2100-30-0x0000000006730000-0x0000000006752000-memory.dmp

    Filesize

    136KB

  • memory/2100-31-0x0000000007A40000-0x0000000007FE4000-memory.dmp

    Filesize

    5.6MB

  • memory/2100-52-0x0000000007920000-0x000000000794A000-memory.dmp

    Filesize

    168KB

  • memory/2100-33-0x0000000008670000-0x0000000008CEA000-memory.dmp

    Filesize

    6.5MB

  • memory/2100-51-0x00000000077A0000-0x00000000077AA000-memory.dmp

    Filesize

    40KB

  • memory/2100-37-0x00000000708A0000-0x0000000070BF4000-memory.dmp

    Filesize

    3.3MB

  • memory/2100-36-0x0000000070720000-0x000000007076C000-memory.dmp

    Filesize

    304KB

  • memory/2100-47-0x0000000007670000-0x000000000768E000-memory.dmp

    Filesize

    120KB

  • memory/2100-48-0x0000000074900000-0x00000000750B0000-memory.dmp

    Filesize

    7.7MB

  • memory/2100-49-0x0000000074900000-0x00000000750B0000-memory.dmp

    Filesize

    7.7MB

  • memory/2100-8-0x000000007490E000-0x000000007490F000-memory.dmp

    Filesize

    4KB

  • memory/2100-12-0x0000000074900000-0x00000000750B0000-memory.dmp

    Filesize

    7.7MB

  • memory/2100-35-0x0000000074900000-0x00000000750B0000-memory.dmp

    Filesize

    7.7MB

  • memory/2100-10-0x0000000074900000-0x00000000750B0000-memory.dmp

    Filesize

    7.7MB

  • memory/2100-53-0x0000000007950000-0x0000000007974000-memory.dmp

    Filesize

    144KB

  • memory/2100-54-0x0000000074900000-0x00000000750B0000-memory.dmp

    Filesize

    7.7MB

  • memory/2100-56-0x0000000074900000-0x00000000750B0000-memory.dmp

    Filesize

    7.7MB

  • memory/2100-55-0x000000007490E000-0x000000007490F000-memory.dmp

    Filesize

    4KB

  • memory/2100-57-0x0000000074900000-0x00000000750B0000-memory.dmp

    Filesize

    7.7MB

  • memory/2100-9-0x0000000002C30000-0x0000000002C66000-memory.dmp

    Filesize

    216KB

  • memory/2100-59-0x0000000074900000-0x00000000750B0000-memory.dmp

    Filesize

    7.7MB

  • memory/2100-60-0x0000000074900000-0x00000000750B0000-memory.dmp

    Filesize

    7.7MB

  • memory/2100-62-0x0000000074900000-0x00000000750B0000-memory.dmp

    Filesize

    7.7MB

  • memory/2100-61-0x0000000008CF0000-0x000000000A450000-memory.dmp

    Filesize

    23.4MB

  • memory/2100-63-0x0000000074900000-0x00000000750B0000-memory.dmp

    Filesize

    7.7MB

  • memory/2100-64-0x0000000074900000-0x00000000750B0000-memory.dmp

    Filesize

    7.7MB

  • memory/4600-77-0x0000000000EC0000-0x0000000002114000-memory.dmp

    Filesize

    18.3MB

  • memory/4600-78-0x0000000000EC0000-0x0000000000F0A000-memory.dmp

    Filesize

    296KB

  • memory/4600-79-0x0000000021870000-0x000000002190C000-memory.dmp

    Filesize

    624KB

  • memory/4600-80-0x0000000022390000-0x0000000022422000-memory.dmp

    Filesize

    584KB

  • memory/4600-82-0x0000000022600000-0x00000000227C2000-memory.dmp

    Filesize

    1.8MB

  • memory/4600-83-0x00000000222F0000-0x0000000022340000-memory.dmp

    Filesize

    320KB

  • memory/4600-84-0x0000000022D00000-0x000000002322C000-memory.dmp

    Filesize

    5.2MB

  • memory/4600-86-0x00000000224C0000-0x00000000224CA000-memory.dmp

    Filesize

    40KB