Analysis

  • max time kernel
    146s
  • max time network
    152s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20220721-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20220721-enlocale:en-usos:windows10-2004-x64system
  • submitted
    06-08-2022 00:14

General

  • Target

    SecuriteInfo.com.Trojan.KillAV.152.22494.exe

  • Size

    916KB

  • MD5

    886d7d554974f5bb08293aa27ef675e1

  • SHA1

    99601fe9c8e9db26e5f18b385bc3dd3211c947c5

  • SHA256

    53afdc42be1963738ca47d55c4d2943257797b7ffa2775abdce09e6e9d959cb8

  • SHA512

    ca18220abf1d6d05c6525a83deb1c67c4542eaad9ad438f8c95907a96de15d5553be90195206cfb60a4ba08ff5e9896df3ff0e05e04519e6ad9bba537ecc1bdd

Malware Config

Extracted

Family

warzonerat

C2

20.91.187.223:5707

Signatures

  • ModiLoader, DBatLoader

    ModiLoader is a Delphi loader that misuses cloud services to download other malicious families.

  • WarzoneRat, AveMaria

    WarzoneRat is a native RAT developed in C++ with multiple plugins sold as a MaaS.

  • Warzone RAT payload 3 IoCs
  • Blocklisted process makes network request 5 IoCs
  • Checks computer location settings 2 TTPs 1 IoCs

    Looks up country code configured in the registry, likely geofence.

  • Adds Run key to start application 2 TTPs 1 IoCs
  • Enumerates physical storage devices 1 TTPs

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

  • Runs net.exe
  • Suspicious behavior: EnumeratesProcesses 4 IoCs
  • Suspicious use of AdjustPrivilegeToken 1 IoCs
  • Suspicious use of WriteProcessMemory 32 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\SecuriteInfo.com.Trojan.KillAV.152.22494.exe
    "C:\Users\Admin\AppData\Local\Temp\SecuriteInfo.com.Trojan.KillAV.152.22494.exe"
    1⤵
    • Checks computer location settings
    • Adds Run key to start application
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of WriteProcessMemory
    PID:4444
    • C:\Windows\SysWOW64\cmd.exe
      C:\Windows\system32\cmd.exe /c ""C:\Users\Public\Libraries\Tzkgfbvtzt.bat" "
      2⤵
      • Suspicious use of WriteProcessMemory
      PID:5040
      • C:\Windows\SysWOW64\cmd.exe
        C:\Windows\system32\cmd.exe /K C:\Users\Public\Libraries\TzkgfbvtzO.bat
        3⤵
        • Suspicious use of WriteProcessMemory
        PID:1312
        • C:\Windows\SysWOW64\net.exe
          net session
          4⤵
          • Suspicious use of WriteProcessMemory
          PID:616
          • C:\Windows\SysWOW64\net1.exe
            C:\Windows\system32\net1 session
            5⤵
              PID:5092
          • C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe
            powershell -WindowStyle Hidden -inputformat none -outputformat none -NonInteractive -Command "Add-MpPreference -ExclusionPath 'C:\Users'"
            4⤵
            • Suspicious behavior: EnumeratesProcesses
            • Suspicious use of AdjustPrivilegeToken
            PID:4032
      • C:\Windows\SysWOW64\cmd.exe
        "C:\Windows\System32\cmd.exe"
        2⤵
        • Blocklisted process makes network request
        PID:4044

    Network

    MITRE ATT&CK Matrix ATT&CK v6

    Persistence

    Registry Run Keys / Startup Folder

    1
    T1060

    Defense Evasion

    Modify Registry

    1
    T1112

    Discovery

    Query Registry

    1
    T1012

    System Information Discovery

    2
    T1082

    Replay Monitor

    Loading Replay Monitor...

    Downloads

    • C:\Users\Public\Libraries\Cdex.bat
      Filesize

      155B

      MD5

      213c60adf1c9ef88dc3c9b2d579959d2

      SHA1

      e4d2ad7b22b1a8b5b1f7a702b303c7364b0ee021

      SHA256

      37c59c8398279916cfce45f8c5e3431058248f5e3bef4d9f5c0f44a7d564f82e

      SHA512

      fe897d9caa306b0e761b2fd61bb5dc32a53bfaad1ce767c6860af4e3ad59c8f3257228a6e1072dab0f990cb51c59c648084ba419ac6bc5c0a99bdffa569217b7

    • C:\Users\Public\Libraries\TzkgfbvtzO.bat
      Filesize

      1KB

      MD5

      df48c09f243ebcc8a165f77a1c2bf889

      SHA1

      455f7db0adcc2a58d006f1630fb0bd55cd868c07

      SHA256

      4ef9821678da07138c19405387f3fb95e409fbd461c7b8d847c05075facd63ca

      SHA512

      735838c7cca953697ded48adfcd037b7f198072a8962f5940ce12e1bb1c7dd8c1f257a829276f5f5456f776f5bd13342222dd6e0dfc8f18a23f464f2c8d8f1cc

    • C:\Users\Public\Libraries\Tzkgfbvtzt.bat
      Filesize

      58B

      MD5

      f2ca175620a5fa40756966320fa6f5da

      SHA1

      28baf1034f895281cda832342b2fcb50f5baab25

      SHA256

      0e80459c89ad62e045f393f3d7bc43b33098f7c06c1709f79f82be993b2bb5c9

      SHA512

      8f431dbb3374866a6dbe5a2cdf2018451fd75df9f194e9a37dcd5478d83bd1da38af3b3b5eb8b748edce38b30aa6a5a19fda2bddf837d1a6b95102da8d76eb5f

    • memory/616-138-0x0000000000000000-mapping.dmp
    • memory/1312-136-0x0000000000000000-mapping.dmp
    • memory/4032-148-0x0000000006CA0000-0x0000000006CD2000-memory.dmp
      Filesize

      200KB

    • memory/4032-150-0x0000000006C80000-0x0000000006C9E000-memory.dmp
      Filesize

      120KB

    • memory/4032-141-0x0000000000000000-mapping.dmp
    • memory/4032-142-0x0000000003220000-0x0000000003256000-memory.dmp
      Filesize

      216KB

    • memory/4032-143-0x0000000005BA0000-0x00000000061C8000-memory.dmp
      Filesize

      6.2MB

    • memory/4032-144-0x0000000005850000-0x0000000005872000-memory.dmp
      Filesize

      136KB

    • memory/4032-145-0x00000000058F0000-0x0000000005956000-memory.dmp
      Filesize

      408KB

    • memory/4032-146-0x0000000005A90000-0x0000000005AF6000-memory.dmp
      Filesize

      408KB

    • memory/4032-147-0x0000000006710000-0x000000000672E000-memory.dmp
      Filesize

      120KB

    • memory/4032-157-0x0000000007D00000-0x0000000007D08000-memory.dmp
      Filesize

      32KB

    • memory/4032-149-0x000000006EDC0000-0x000000006EE0C000-memory.dmp
      Filesize

      304KB

    • memory/4032-156-0x0000000007D10000-0x0000000007D2A000-memory.dmp
      Filesize

      104KB

    • memory/4032-151-0x0000000008030000-0x00000000086AA000-memory.dmp
      Filesize

      6.5MB

    • memory/4032-152-0x00000000079E0000-0x00000000079FA000-memory.dmp
      Filesize

      104KB

    • memory/4032-153-0x0000000007A60000-0x0000000007A6A000-memory.dmp
      Filesize

      40KB

    • memory/4032-154-0x0000000007C50000-0x0000000007CE6000-memory.dmp
      Filesize

      600KB

    • memory/4032-155-0x0000000007C10000-0x0000000007C1E000-memory.dmp
      Filesize

      56KB

    • memory/4044-164-0x0000000000000000-mapping.dmp
    • memory/4044-206-0x00000000506E0000-0x0000000050836000-memory.dmp
      Filesize

      1.3MB

    • memory/4044-207-0x0000000000400000-0x0000000000554000-memory.dmp
      Filesize

      1.3MB

    • memory/4044-208-0x0000000000400000-0x0000000000554000-memory.dmp
      Filesize

      1.3MB

    • memory/4444-166-0x00000000506E0000-0x0000000050836000-memory.dmp
      Filesize

      1.3MB

    • memory/5040-134-0x0000000000000000-mapping.dmp
    • memory/5092-139-0x0000000000000000-mapping.dmp