Analysis

  • max time kernel
    95s
  • max time network
    145s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20241007-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-x64system
  • submitted
    16-12-2024 17:27

General

  • Target

    Justificante pago-09453256434687.exe

  • Size

    1.1MB

  • MD5

    4252cd5753def4a484fb3313e1029e66

  • SHA1

    19fd0734102e1eebe6c7f42d530d30e920366e00

  • SHA256

    96b8248be606c47b8955a560f3df160a4c9026ce1956e407daf177f17549e4f7

  • SHA512

    471851f39c4d058798bce13f80c63f38e3f3196132c5fe3068982362d7c9c876670cef2f768a8de7ed300669a85c58b367c1b51221617a1d8ae67cda77b82984

  • SSDEEP

    24576:3NrNYoKOHCWJSICvcVU2F3VwV5k7j5awX300zQUGtZQ:d+jEWhvsU2F3VwXgj5aEkHUGtZQ

Malware Config

Extracted

Family

vipkeylogger

C2

https://api.telegram.org/bot7884953123:AAF1UbV49cF9gYVrnfCw9g9ZbVXhB325bSM/sendMessage?chat_id=5234817354

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
  • Blocklisted process makes network request 6 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
  • Enumerates physical storage devices 1 TTPs

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

  • Program crash 1 IoCs
  • 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 8 IoCs
  • Suspicious behavior: MapViewOfSection 1 IoCs
  • Suspicious use of AdjustPrivilegeToken 23 IoCs
  • Suspicious use of WriteProcessMemory 7 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\Justificante pago-09453256434687.exe
    "C:\Users\Admin\AppData\Local\Temp\Justificante pago-09453256434687.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:4760
    • C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe
      powershell.exe -windowstyle hidden "$Subwayed=gc -raw 'C:\Users\Admin\AppData\Local\Temp\globosely\baadehavn\stnner\Forhaandsudtalelses.Pot162';$Raadslagningens=$Subwayed.SubString(68150,3);.$Raadslagningens($Subwayed) "
      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:2448
      • C:\Windows\SysWOW64\msiexec.exe
        "C:\Windows\SysWOW64\msiexec.exe"
        3⤵
        • 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
        PID:620
        • C:\Windows\SysWOW64\WerFault.exe
          C:\Windows\SysWOW64\WerFault.exe -u -p 620 -s 2380
          4⤵
          • Program crash
          PID:4120
  • C:\Windows\SysWOW64\WerFault.exe
    C:\Windows\SysWOW64\WerFault.exe -pss -s 408 -p 620 -ip 620
    1⤵
      PID:3316

    Network

    MITRE ATT&CK Enterprise v15

    Replay Monitor

    Loading Replay Monitor...

    Downloads

    • C:\Users\Admin\AppData\Local\Temp\__PSScriptPolicyTest_ct2lvgki.4wd.ps1

      Filesize

      60B

      MD5

      d17fe0a3f47be24a6453e9ef58c94641

      SHA1

      6ab83620379fc69f80c0242105ddffd7d98d5d9d

      SHA256

      96ad1146eb96877eab5942ae0736b82d8b5e2039a80d3d6932665c1a4c87dcf7

      SHA512

      5b592e58f26c264604f98f6aa12860758ce606d1c63220736cf0c779e4e18e3cec8706930a16c38b20161754d1017d1657d35258e58ca22b18f5b232880dec82

    • C:\Users\Admin\AppData\Local\Temp\globosely\baadehavn\stnner\Forhaandsudtalelses.Pot162

      Filesize

      66KB

      MD5

      f508128e1733bb6460b9b1532382ecf6

      SHA1

      b20f4e4af3fe86a6dd5b7b10fcf983fac5bf74c4

      SHA256

      85b8bc66a411630746860c471286ab9bbc69ba93212e12da8e75040dfb3a1a75

      SHA512

      acc7183911452359ec33582cdf6f5ff0953bc4f09f1f5475454d17277466abc1f9b0218e8177735f9653665fbf55555bd557b86398c3d5a4a0d697b122e81731

    • C:\Users\Admin\AppData\Local\Temp\globosely\baadehavn\stnner\Umatilla125.Sea140

      Filesize

      305KB

      MD5

      3c8436f0e7b9d6c8d25947e4374d179e

      SHA1

      1be9130c45876d27f39c2097771090e573697b72

      SHA256

      8512544eb0068094f92cd705fd941a0f07f5697d690aa62ea351b1363f348c75

      SHA512

      aa229b1e5c66a78d67a06b601e5aad9b000b4e15bd0a5f15ff001201f228fc9950418cf9b2f205fca07be73e70a06383766da3804341c42c5597bcbedcc651fd

    • C:\Users\Admin\AppData\Local\Temp\nsn81F2.tmp\nsExec.dll

      Filesize

      7KB

      MD5

      675c4948e1efc929edcabfe67148eddd

      SHA1

      f5bdd2c4329ed2732ecfe3423c3cc482606eb28e

      SHA256

      1076ca39c449ed1a968021b76ef31f22a5692dfafeea29460e8d970a63c59906

      SHA512

      61737021f86f54279d0a4e35db0d0808e9a55d89784a31d597f2e4b65b7bbeec99aa6c79d65258259130eeda2e5b2820f4f1247777a3010f2dc53e30c612a683

    • memory/620-88-0x0000000021670000-0x000000002170C000-memory.dmp

      Filesize

      624KB

    • memory/620-87-0x0000000000E00000-0x0000000000E4A000-memory.dmp

      Filesize

      296KB

    • memory/620-86-0x0000000000E00000-0x0000000002054000-memory.dmp

      Filesize

      18.3MB

    • memory/2448-41-0x000000006FFF0000-0x000000007003C000-memory.dmp

      Filesize

      304KB

    • memory/2448-56-0x0000000073B60000-0x0000000074310000-memory.dmp

      Filesize

      7.7MB

    • memory/2448-19-0x0000000073B60000-0x0000000074310000-memory.dmp

      Filesize

      7.7MB

    • memory/2448-29-0x00000000054F0000-0x0000000005844000-memory.dmp

      Filesize

      3.3MB

    • memory/2448-30-0x0000000005AC0000-0x0000000005ADE000-memory.dmp

      Filesize

      120KB

    • memory/2448-31-0x0000000005B10000-0x0000000005B5C000-memory.dmp

      Filesize

      304KB

    • memory/2448-32-0x0000000006040000-0x00000000060D6000-memory.dmp

      Filesize

      600KB

    • memory/2448-33-0x0000000005FF0000-0x000000000600A000-memory.dmp

      Filesize

      104KB

    • memory/2448-34-0x0000000006AA0000-0x0000000006AC2000-memory.dmp

      Filesize

      136KB

    • memory/2448-35-0x0000000007120000-0x00000000076C4000-memory.dmp

      Filesize

      5.6MB

    • memory/2448-17-0x0000000004B30000-0x0000000004B96000-memory.dmp

      Filesize

      408KB

    • memory/2448-39-0x0000000007D50000-0x00000000083CA000-memory.dmp

      Filesize

      6.5MB

    • memory/2448-51-0x0000000073B60000-0x0000000074310000-memory.dmp

      Filesize

      7.7MB

    • memory/2448-53-0x0000000006F40000-0x0000000006FE3000-memory.dmp

      Filesize

      652KB

    • memory/2448-52-0x0000000006F10000-0x0000000006F2E000-memory.dmp

      Filesize

      120KB

    • memory/2448-16-0x0000000004A90000-0x0000000004AB2000-memory.dmp

      Filesize

      136KB

    • memory/2448-40-0x0000000006ED0000-0x0000000006F02000-memory.dmp

      Filesize

      200KB

    • memory/2448-54-0x0000000007040000-0x000000000704A000-memory.dmp

      Filesize

      40KB

    • memory/2448-55-0x0000000073B60000-0x0000000074310000-memory.dmp

      Filesize

      7.7MB

    • memory/2448-18-0x0000000004BA0000-0x0000000004C06000-memory.dmp

      Filesize

      408KB

    • memory/2448-57-0x0000000007060000-0x0000000007071000-memory.dmp

      Filesize

      68KB

    • memory/2448-58-0x00000000070B0000-0x00000000070BE000-memory.dmp

      Filesize

      56KB

    • memory/2448-59-0x00000000070C0000-0x00000000070D4000-memory.dmp

      Filesize

      80KB

    • memory/2448-60-0x0000000007100000-0x000000000711A000-memory.dmp

      Filesize

      104KB

    • memory/2448-61-0x00000000070F0000-0x00000000070F8000-memory.dmp

      Filesize

      32KB

    • memory/2448-62-0x0000000007840000-0x000000000786A000-memory.dmp

      Filesize

      168KB

    • memory/2448-63-0x0000000007870000-0x0000000007894000-memory.dmp

      Filesize

      144KB

    • memory/2448-64-0x0000000073B60000-0x0000000074310000-memory.dmp

      Filesize

      7.7MB

    • memory/2448-65-0x0000000073B60000-0x0000000074310000-memory.dmp

      Filesize

      7.7MB

    • memory/2448-15-0x0000000073B60000-0x0000000074310000-memory.dmp

      Filesize

      7.7MB

    • memory/2448-67-0x0000000073B60000-0x0000000074310000-memory.dmp

      Filesize

      7.7MB

    • memory/2448-68-0x00000000083D0000-0x0000000009C74000-memory.dmp

      Filesize

      24.6MB

    • memory/2448-69-0x0000000073B6E000-0x0000000073B6F000-memory.dmp

      Filesize

      4KB

    • memory/2448-70-0x0000000073B60000-0x0000000074310000-memory.dmp

      Filesize

      7.7MB

    • memory/2448-71-0x0000000073B60000-0x0000000074310000-memory.dmp

      Filesize

      7.7MB

    • memory/2448-72-0x0000000073B60000-0x0000000074310000-memory.dmp

      Filesize

      7.7MB

    • memory/2448-73-0x0000000073B60000-0x0000000074310000-memory.dmp

      Filesize

      7.7MB

    • memory/2448-14-0x0000000004DC0000-0x00000000053E8000-memory.dmp

      Filesize

      6.2MB

    • memory/2448-13-0x0000000002480000-0x00000000024B6000-memory.dmp

      Filesize

      216KB

    • memory/2448-12-0x0000000073B6E000-0x0000000073B6F000-memory.dmp

      Filesize

      4KB