Analysis

  • max time kernel
    236s
  • max time network
    236s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20220721-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20220721-enlocale:en-usos:windows10-2004-x64system
  • submitted
    08-08-2022 08:10

General

  • Target

    RFQ_0029388827772_Square General Contracting.exe

  • Size

    838KB

  • MD5

    3b72bfebf7e023618dae4a3703322c31

  • SHA1

    3c75ed7a5fdee7d8e6025a221d64b12cb2ab9ab0

  • SHA256

    868e3a9f49c41cd1823e765cc8d2e97453ada6baac959e58187e1a337db01b96

  • SHA512

    032800a14f2480202a6131ed462b51af6aab17cbc0f0f7b782dc2e7d4eb27d9fc7c3a6a1b592a52c189a8d6875de4dcd2aa91abbe3af5fe7b1c32dc5748e0f4b

Malware Config

Signatures

  • ModiLoader, DBatLoader

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

  • Blocklisted process makes network request 1 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.

  • Program crash 1 IoCs
  • Runs net.exe
  • Suspicious behavior: EnumeratesProcesses 4 IoCs
  • Suspicious use of AdjustPrivilegeToken 1 IoCs
  • Suspicious use of WriteProcessMemory 30 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\RFQ_0029388827772_Square General Contracting.exe
    "C:\Users\Admin\AppData\Local\Temp\RFQ_0029388827772_Square General Contracting.exe"
    1⤵
    • Checks computer location settings
    • Adds Run key to start application
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of WriteProcessMemory
    PID:3528
    • C:\Windows\SysWOW64\cmd.exe
      C:\Windows\system32\cmd.exe /c ""C:\Users\Public\Libraries\Sdvfknogbt.bat" "
      2⤵
      • Suspicious use of WriteProcessMemory
      PID:3468
      • C:\Windows\SysWOW64\cmd.exe
        C:\Windows\system32\cmd.exe /K C:\Users\Public\Libraries\SdvfknogbO.bat
        3⤵
        • Suspicious use of WriteProcessMemory
        PID:2304
        • C:\Windows\SysWOW64\net.exe
          net session
          4⤵
          • Suspicious use of WriteProcessMemory
          PID:2880
          • C:\Windows\SysWOW64\net1.exe
            C:\Windows\system32\net1 session
            5⤵
              PID:2016
          • 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:876
      • C:\Windows\SysWOW64\cmd.exe
        "C:\Windows\System32\cmd.exe" /k
        2⤵
        • Blocklisted process makes network request
        PID:4344
    • C:\Windows\system32\WerFault.exe
      C:\Windows\system32\WerFault.exe -pss -s 440 -p 3544 -ip 3544
      1⤵
        PID:4368
      • C:\Windows\system32\WerFault.exe
        C:\Windows\system32\WerFault.exe -u -p 3544 -s 1780
        1⤵
        • Program crash
        PID:2896

      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\SdvfknogbO.bat
        Filesize

        1KB

        MD5

        df48c09f243ebcc8a165f77a1c2bf889

        SHA1

        455f7db0adcc2a58d006f1630fb0bd55cd868c07

        SHA256

        4ef9821678da07138c19405387f3fb95e409fbd461c7b8d847c05075facd63ca

        SHA512

        735838c7cca953697ded48adfcd037b7f198072a8962f5940ce12e1bb1c7dd8c1f257a829276f5f5456f776f5bd13342222dd6e0dfc8f18a23f464f2c8d8f1cc

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

        58B

        MD5

        7f7bf0ee47bbf9454a60ebb94fa9af7c

        SHA1

        ce416aac19dc890e26d366458af380139b1a807a

        SHA256

        a8f4217b6ae29efd35817b6336c05b04f47c52e2adcde6613d9d8fd869c11873

        SHA512

        3ca1bd82de60d7a38346cd2f64ef860c76256ac43fe92595fb6dad0c76e1053b14e5abb93a15d5d71ad1f0a2dbbf3d1001436a97e2e98964048482ae3eb69653

      • memory/876-178-0x0000000006380000-0x00000000063B2000-memory.dmp
        Filesize

        200KB

      • memory/876-180-0x0000000006360000-0x000000000637E000-memory.dmp
        Filesize

        120KB

      • memory/876-187-0x00000000073F0000-0x00000000073F8000-memory.dmp
        Filesize

        32KB

      • memory/876-186-0x0000000007400000-0x000000000741A000-memory.dmp
        Filesize

        104KB

      • memory/876-171-0x0000000000000000-mapping.dmp
      • memory/876-172-0x0000000004930000-0x0000000004966000-memory.dmp
        Filesize

        216KB

      • memory/876-173-0x0000000004FA0000-0x00000000055C8000-memory.dmp
        Filesize

        6.2MB

      • memory/876-174-0x0000000004F20000-0x0000000004F42000-memory.dmp
        Filesize

        136KB

      • memory/876-175-0x0000000005700000-0x0000000005766000-memory.dmp
        Filesize

        408KB

      • memory/876-176-0x0000000005770000-0x00000000057D6000-memory.dmp
        Filesize

        408KB

      • memory/876-177-0x0000000005DE0000-0x0000000005DFE000-memory.dmp
        Filesize

        120KB

      • memory/876-185-0x0000000007300000-0x000000000730E000-memory.dmp
        Filesize

        56KB

      • memory/876-179-0x000000006EFE0000-0x000000006F02C000-memory.dmp
        Filesize

        304KB

      • memory/876-184-0x0000000007340000-0x00000000073D6000-memory.dmp
        Filesize

        600KB

      • memory/876-181-0x0000000007790000-0x0000000007E0A000-memory.dmp
        Filesize

        6.5MB

      • memory/876-182-0x0000000007010000-0x000000000702A000-memory.dmp
        Filesize

        104KB

      • memory/876-183-0x0000000007150000-0x000000000715A000-memory.dmp
        Filesize

        40KB

      • memory/2016-169-0x0000000000000000-mapping.dmp
      • memory/2304-166-0x0000000000000000-mapping.dmp
      • memory/2880-168-0x0000000000000000-mapping.dmp
      • memory/3468-164-0x0000000000000000-mapping.dmp
      • memory/3528-196-0x0000000050540000-0x000000005056D000-memory.dmp
        Filesize

        180KB

      • memory/4344-194-0x0000000000000000-mapping.dmp
      • memory/4344-235-0x0000000050540000-0x000000005056D000-memory.dmp
        Filesize

        180KB

      • memory/4344-236-0x0000000000400000-0x000000000042B000-memory.dmp
        Filesize

        172KB

      • memory/4344-237-0x0000000000400000-0x000000000042B000-memory.dmp
        Filesize

        172KB