Analysis

  • max time kernel
    97s
  • max time network
    206s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20240802-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20240802-enlocale:en-usos:windows10-2004-x64system
  • submitted
    03-10-2024 05:13

General

  • Target

    FACTURA.exe

  • Size

    865KB

  • MD5

    158d8d8e57ad1e305fce17d3e277cc6f

  • SHA1

    0ee2ca41f4b1898838fbd3c5c44baf124c21f4fb

  • SHA256

    51466536fb4a4b2f46c0344206795c49ca7a95ab1179c3c7c269a80623589477

  • SHA512

    4532aae393c59d63def7feb58bafa3530a7c77def52aa44892e76b72353f1fcd416ac388e8445be7041a370a72e4df692abbab899ff0a3afd9a87be4588d608b

  • SSDEEP

    12288:tTv21WRE10veA7aUJc+QS+shiCp++qsqwFnyZ7l:Fv2Q71W/OhPZryZ

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.

  • 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
  • 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 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 7 IoCs
  • Suspicious use of AdjustPrivilegeToken 4 IoCs
  • Suspicious use of WriteProcessMemory 17 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\FACTURA.exe
    "C:\Users\Admin\AppData\Local\Temp\FACTURA.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:2852
    • 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\FACTURA.exe"
      2⤵
      • Command and Scripting Interpreter: PowerShell
      • System Location Discovery: System Language Discovery
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      PID:4852
    • C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe
      "C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" Add-MpPreference -ExclusionPath "C:\Users\Admin\AppData\Roaming\jGcAjS.exe"
      2⤵
      • Command and Scripting Interpreter: PowerShell
      • System Location Discovery: System Language Discovery
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      PID:2028
    • C:\Windows\SysWOW64\schtasks.exe
      "C:\Windows\System32\schtasks.exe" /Create /TN "Updates\jGcAjS" /XML "C:\Users\Admin\AppData\Local\Temp\tmpCDFE.tmp"
      2⤵
      • System Location Discovery: System Language Discovery
      • Scheduled Task/Job: Scheduled Task
      PID:3948
    • C:\Users\Admin\AppData\Local\Temp\FACTURA.exe
      "C:\Users\Admin\AppData\Local\Temp\FACTURA.exe"
      2⤵
      • System Location Discovery: System Language Discovery
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      PID:4900
      • C:\Windows\SysWOW64\WerFault.exe
        C:\Windows\SysWOW64\WerFault.exe -u -p 4900 -s 1484
        3⤵
        • Program crash
        PID:4448
  • C:\Windows\SysWOW64\WerFault.exe
    C:\Windows\SysWOW64\WerFault.exe -pss -s 420 -p 4900 -ip 4900
    1⤵
      PID:2332

    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

      968cb9309758126772781b83adb8a28f

      SHA1

      8da30e71accf186b2ba11da1797cf67f8f78b47c

      SHA256

      92099c10776bb7e3f2a8d1b82d4d40d0c4627e4f1bf754a6e58dfd2c2e97042a

      SHA512

      4bd50732f8af4d688d95999bddfd296115d7033ddc38f86c9fb1f47fde202bffa27e9088bebcaa3064ca946af2f5c1ca6cbde49d0907f0005c7ab42874515dd3

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

      Filesize

      18KB

      MD5

      3a31ce9081b4ec55b8564502df3b379f

      SHA1

      569f9f220899b3895b3e1a89af361cb360d34abe

      SHA256

      09ef856a75f684134c3ae9530105288dc146032e608f3598654128a0adaeab4a

      SHA512

      f62a16edd8b16400ee41c1b0a8856ec829f875c143bfdbbc48cf10eb3a615499c25d3eae457615cf4e2e738b9584ce375cb2a970ad31727f74eb1d1b39363994

    • C:\Users\Admin\AppData\Local\Temp\__PSScriptPolicyTest_vu5e1g5w.2jz.ps1

      Filesize

      60B

      MD5

      d17fe0a3f47be24a6453e9ef58c94641

      SHA1

      6ab83620379fc69f80c0242105ddffd7d98d5d9d

      SHA256

      96ad1146eb96877eab5942ae0736b82d8b5e2039a80d3d6932665c1a4c87dcf7

      SHA512

      5b592e58f26c264604f98f6aa12860758ce606d1c63220736cf0c779e4e18e3cec8706930a16c38b20161754d1017d1657d35258e58ca22b18f5b232880dec82

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

      Filesize

      1KB

      MD5

      1d919e89b2357f665dc2d883f8d22eb5

      SHA1

      e6c38cf63be43709f957c8c56fd919a1cd8a4a37

      SHA256

      97821f0335ba177e6a6e1ffa80e3015bc0b93be45215f85de7b4d123b0abc410

      SHA512

      20ab12231ea4e2218216536cb249754f694f27580dc73f904550c883fcdaa6895dc21d7d1df382b283ecdcf36e1cffbb0cbc683536fcb48c9b9181321e1e1a34

    • memory/2028-65-0x0000000007820000-0x000000000783A000-memory.dmp

      Filesize

      104KB

    • memory/2028-66-0x0000000007880000-0x000000000788A000-memory.dmp

      Filesize

      40KB

    • memory/2028-88-0x0000000074EE0000-0x0000000075690000-memory.dmp

      Filesize

      7.7MB

    • memory/2028-46-0x0000000074EE0000-0x0000000075690000-memory.dmp

      Filesize

      7.7MB

    • memory/2028-82-0x0000000007B30000-0x0000000007B38000-memory.dmp

      Filesize

      32KB

    • memory/2028-81-0x0000000007B50000-0x0000000007B6A000-memory.dmp

      Filesize

      104KB

    • memory/2028-80-0x0000000007A50000-0x0000000007A64000-memory.dmp

      Filesize

      80KB

    • memory/2028-79-0x0000000007A40000-0x0000000007A4E000-memory.dmp

      Filesize

      56KB

    • memory/2028-68-0x0000000007A10000-0x0000000007A21000-memory.dmp

      Filesize

      68KB

    • memory/2028-67-0x0000000007A90000-0x0000000007B26000-memory.dmp

      Filesize

      600KB

    • memory/2028-64-0x0000000007EA0000-0x000000000851A000-memory.dmp

      Filesize

      6.5MB

    • memory/2028-23-0x0000000074EE0000-0x0000000075690000-memory.dmp

      Filesize

      7.7MB

    • memory/2028-51-0x0000000006B10000-0x0000000006B42000-memory.dmp

      Filesize

      200KB

    • memory/2028-52-0x00000000704F0000-0x000000007053C000-memory.dmp

      Filesize

      304KB

    • memory/2028-43-0x0000000074EE0000-0x0000000075690000-memory.dmp

      Filesize

      7.7MB

    • memory/2028-63-0x0000000007770000-0x0000000007813000-memory.dmp

      Filesize

      652KB

    • memory/2028-62-0x00000000069F0000-0x0000000006A0E000-memory.dmp

      Filesize

      120KB

    • memory/2852-6-0x0000000007170000-0x000000000718E000-memory.dmp

      Filesize

      120KB

    • memory/2852-4-0x0000000074EE0000-0x0000000075690000-memory.dmp

      Filesize

      7.7MB

    • memory/2852-0-0x0000000074EEE000-0x0000000074EEF000-memory.dmp

      Filesize

      4KB

    • memory/2852-1-0x0000000000F90000-0x000000000106E000-memory.dmp

      Filesize

      888KB

    • memory/2852-7-0x0000000074EEE000-0x0000000074EEF000-memory.dmp

      Filesize

      4KB

    • memory/2852-2-0x0000000006020000-0x00000000065C4000-memory.dmp

      Filesize

      5.6MB

    • memory/2852-8-0x0000000074EE0000-0x0000000075690000-memory.dmp

      Filesize

      7.7MB

    • memory/2852-50-0x0000000074EE0000-0x0000000075690000-memory.dmp

      Filesize

      7.7MB

    • memory/2852-10-0x000000000CB20000-0x000000000CBBC000-memory.dmp

      Filesize

      624KB

    • memory/2852-5-0x0000000005C10000-0x0000000005C1A000-memory.dmp

      Filesize

      40KB

    • memory/2852-9-0x0000000005480000-0x000000000550C000-memory.dmp

      Filesize

      560KB

    • memory/2852-3-0x0000000005A70000-0x0000000005B02000-memory.dmp

      Filesize

      584KB

    • memory/4852-49-0x0000000006760000-0x00000000067AC000-memory.dmp

      Filesize

      304KB

    • memory/4852-21-0x0000000005B00000-0x0000000005B66000-memory.dmp

      Filesize

      408KB

    • memory/4852-48-0x0000000006290000-0x00000000062AE000-memory.dmp

      Filesize

      120KB

    • memory/4852-16-0x0000000074EE0000-0x0000000075690000-memory.dmp

      Filesize

      7.7MB

    • memory/4852-17-0x00000000054D0000-0x0000000005AF8000-memory.dmp

      Filesize

      6.2MB

    • memory/4852-69-0x00000000704F0000-0x000000007053C000-memory.dmp

      Filesize

      304KB

    • memory/4852-15-0x00000000029A0000-0x00000000029D6000-memory.dmp

      Filesize

      216KB

    • memory/4852-22-0x0000000005B70000-0x0000000005BD6000-memory.dmp

      Filesize

      408KB

    • memory/4852-18-0x0000000074EE0000-0x0000000075690000-memory.dmp

      Filesize

      7.7MB

    • memory/4852-20-0x00000000053D0000-0x00000000053F2000-memory.dmp

      Filesize

      136KB

    • memory/4852-42-0x0000000005C90000-0x0000000005FE4000-memory.dmp

      Filesize

      3.3MB

    • memory/4852-89-0x0000000074EE0000-0x0000000075690000-memory.dmp

      Filesize

      7.7MB

    • memory/4852-45-0x0000000074EE0000-0x0000000075690000-memory.dmp

      Filesize

      7.7MB

    • memory/4900-44-0x0000000000400000-0x000000000044A000-memory.dmp

      Filesize

      296KB