Analysis

  • max time kernel
    125s
  • max time network
    141s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20220721-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20220721-enlocale:en-usos:windows10-2004-x64system
  • submitted
    02-08-2022 14:45

General

  • Target

    Tender_L2-UAE001930-gwyoyqlbopdd.xlsx.exe

  • Size

    1.1MB

  • MD5

    3506f47af9280b0cee32f9bc9319b461

  • SHA1

    23c228520bd16733e7cc54fbf1f4bc48b897a2d9

  • SHA256

    9d2a6a4d069a3d2ad99a117b411facbc86de0102a65bf5027c6b0f7dd0ae9014

  • SHA512

    e6bd29c8c884a570fc295ac426f0818657dad7bea68023ccff0c7292fd2af71a13e0edc788186651fdc40a5bcd040b6adac61be27058ed4dcfefafeb89dd73a9

Malware Config

Extracted

Family

warzonerat

C2

pentester01.duckdns.org:53078

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.

  • ModiLoader Second Stage 61 IoCs
  • Warzone RAT payload 3 IoCs
  • 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.

  • 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\Tender_L2-UAE001930-gwyoyqlbopdd.xlsx.exe
    "C:\Users\Admin\AppData\Local\Temp\Tender_L2-UAE001930-gwyoyqlbopdd.xlsx.exe"
    1⤵
    • Checks computer location settings
    • Adds Run key to start application
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of WriteProcessMemory
    PID:2260
    • C:\Windows\SysWOW64\cmd.exe
      C:\Windows\system32\cmd.exe /c ""C:\Users\Public\Libraries\Gpvorkt.bat" "
      2⤵
      • Suspicious use of WriteProcessMemory
      PID:3536
      • C:\Windows\SysWOW64\cmd.exe
        C:\Windows\system32\cmd.exe /K C:\Users\Public\Libraries\GpvorkO.bat
        3⤵
        • Suspicious use of WriteProcessMemory
        PID:1512
        • C:\Windows\SysWOW64\net.exe
          net session
          4⤵
          • Suspicious use of WriteProcessMemory
          PID:3708
          • C:\Windows\SysWOW64\net1.exe
            C:\Windows\system32\net1 session
            5⤵
              PID:4940
          • 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:1288
      • C:\Windows\SysWOW64\cmd.exe
        "C:\Windows\System32\cmd.exe"
        2⤵
        • Blocklisted process makes network request
        PID:2404

    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\GpvorkO.bat
      Filesize

      1KB

      MD5

      df48c09f243ebcc8a165f77a1c2bf889

      SHA1

      455f7db0adcc2a58d006f1630fb0bd55cd868c07

      SHA256

      4ef9821678da07138c19405387f3fb95e409fbd461c7b8d847c05075facd63ca

      SHA512

      735838c7cca953697ded48adfcd037b7f198072a8962f5940ce12e1bb1c7dd8c1f257a829276f5f5456f776f5bd13342222dd6e0dfc8f18a23f464f2c8d8f1cc

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

      55B

      MD5

      682009f53044826c83d332da2f98137e

      SHA1

      fc1658b99caf9a1d7040ec295b1201db758e758e

      SHA256

      c3df04b933ca2088f241ba7f07b824243f673b902be3841e06ef7cc7ab9b526a

      SHA512

      a8027f0fc91981150fd021536ea76a499d3be33bc51383a2f7b31f88380cb1f9f082fb15fb53f7d7ff4c2eee55791db746fb5bab8793be930ae23814eee70af3

    • memory/1288-213-0x0000000006580000-0x00000000065B2000-memory.dmp
      Filesize

      200KB

    • memory/1288-211-0x0000000005AC0000-0x0000000005B26000-memory.dmp
      Filesize

      408KB

    • memory/1288-258-0x0000000007490000-0x000000000749A000-memory.dmp
      Filesize

      40KB

    • memory/1288-224-0x0000000007410000-0x000000000742A000-memory.dmp
      Filesize

      104KB

    • memory/1288-223-0x0000000007A60000-0x00000000080DA000-memory.dmp
      Filesize

      6.5MB

    • memory/1288-215-0x0000000006560000-0x000000000657E000-memory.dmp
      Filesize

      120KB

    • memory/1288-214-0x000000006F370000-0x000000006F3BC000-memory.dmp
      Filesize

      304KB

    • memory/1288-260-0x0000000007650000-0x000000000765E000-memory.dmp
      Filesize

      56KB

    • memory/1288-212-0x0000000004EC0000-0x0000000004EDE000-memory.dmp
      Filesize

      120KB

    • memory/1288-259-0x0000000007680000-0x0000000007716000-memory.dmp
      Filesize

      600KB

    • memory/1288-210-0x0000000005A50000-0x0000000005AB6000-memory.dmp
      Filesize

      408KB

    • memory/1288-209-0x0000000005270000-0x0000000005292000-memory.dmp
      Filesize

      136KB

    • memory/1288-208-0x0000000005420000-0x0000000005A48000-memory.dmp
      Filesize

      6.2MB

    • memory/1288-207-0x0000000002C40000-0x0000000002C76000-memory.dmp
      Filesize

      216KB

    • memory/1288-206-0x0000000000000000-mapping.dmp
    • memory/1288-261-0x0000000007740000-0x000000000775A000-memory.dmp
      Filesize

      104KB

    • memory/1288-262-0x0000000007730000-0x0000000007738000-memory.dmp
      Filesize

      32KB

    • memory/1512-201-0x0000000000000000-mapping.dmp
    • memory/2260-228-0x0000000004100000-0x00000000041A7000-memory.dmp
      Filesize

      668KB

    • memory/2260-216-0x0000000004100000-0x00000000041A7000-memory.dmp
      Filesize

      668KB

    • memory/2260-183-0x0000000004100000-0x00000000041A7000-memory.dmp
      Filesize

      668KB

    • memory/2260-184-0x0000000004100000-0x00000000041A7000-memory.dmp
      Filesize

      668KB

    • memory/2260-185-0x0000000004100000-0x00000000041A7000-memory.dmp
      Filesize

      668KB

    • memory/2260-186-0x0000000004100000-0x00000000041A7000-memory.dmp
      Filesize

      668KB

    • memory/2260-187-0x0000000004100000-0x00000000041A7000-memory.dmp
      Filesize

      668KB

    • memory/2260-188-0x0000000004100000-0x00000000041A7000-memory.dmp
      Filesize

      668KB

    • memory/2260-189-0x0000000004100000-0x00000000041A7000-memory.dmp
      Filesize

      668KB

    • memory/2260-190-0x0000000004100000-0x00000000041A7000-memory.dmp
      Filesize

      668KB

    • memory/2260-191-0x0000000004100000-0x00000000041A7000-memory.dmp
      Filesize

      668KB

    • memory/2260-192-0x0000000004100000-0x00000000041A7000-memory.dmp
      Filesize

      668KB

    • memory/2260-193-0x0000000004100000-0x00000000041A7000-memory.dmp
      Filesize

      668KB

    • memory/2260-194-0x0000000004100000-0x00000000041A7000-memory.dmp
      Filesize

      668KB

    • memory/2260-195-0x0000000004100000-0x00000000041A7000-memory.dmp
      Filesize

      668KB

    • memory/2260-196-0x0000000004100000-0x00000000041A7000-memory.dmp
      Filesize

      668KB

    • memory/2260-197-0x0000000004100000-0x00000000041A7000-memory.dmp
      Filesize

      668KB

    • memory/2260-198-0x0000000004100000-0x00000000041A7000-memory.dmp
      Filesize

      668KB

    • memory/2260-161-0x0000000004100000-0x00000000041A7000-memory.dmp
      Filesize

      668KB

    • memory/2260-182-0x0000000004100000-0x00000000041A7000-memory.dmp
      Filesize

      668KB

    • memory/2260-180-0x0000000004100000-0x00000000041A7000-memory.dmp
      Filesize

      668KB

    • memory/2260-179-0x0000000004100000-0x00000000041A7000-memory.dmp
      Filesize

      668KB

    • memory/2260-162-0x0000000004100000-0x00000000041A7000-memory.dmp
      Filesize

      668KB

    • memory/2260-163-0x0000000004100000-0x00000000041A7000-memory.dmp
      Filesize

      668KB

    • memory/2260-178-0x0000000004100000-0x00000000041A7000-memory.dmp
      Filesize

      668KB

    • memory/2260-177-0x0000000004100000-0x00000000041A7000-memory.dmp
      Filesize

      668KB

    • memory/2260-176-0x0000000004100000-0x00000000041A7000-memory.dmp
      Filesize

      668KB

    • memory/2260-175-0x0000000004100000-0x00000000041A7000-memory.dmp
      Filesize

      668KB

    • memory/2260-174-0x0000000004100000-0x00000000041A7000-memory.dmp
      Filesize

      668KB

    • memory/2260-173-0x0000000004100000-0x00000000041A7000-memory.dmp
      Filesize

      668KB

    • memory/2260-172-0x0000000004100000-0x00000000041A7000-memory.dmp
      Filesize

      668KB

    • memory/2260-171-0x0000000004100000-0x00000000041A7000-memory.dmp
      Filesize

      668KB

    • memory/2260-170-0x0000000004100000-0x00000000041A7000-memory.dmp
      Filesize

      668KB

    • memory/2260-169-0x0000000004100000-0x00000000041A7000-memory.dmp
      Filesize

      668KB

    • memory/2260-168-0x0000000004100000-0x00000000041A7000-memory.dmp
      Filesize

      668KB

    • memory/2260-181-0x0000000004100000-0x00000000041A7000-memory.dmp
      Filesize

      668KB

    • memory/2260-217-0x0000000004100000-0x00000000041A7000-memory.dmp
      Filesize

      668KB

    • memory/2260-218-0x0000000004100000-0x00000000041A7000-memory.dmp
      Filesize

      668KB

    • memory/2260-220-0x0000000004100000-0x00000000041A7000-memory.dmp
      Filesize

      668KB

    • memory/2260-219-0x0000000004100000-0x00000000041A7000-memory.dmp
      Filesize

      668KB

    • memory/2260-221-0x0000000004100000-0x00000000041A7000-memory.dmp
      Filesize

      668KB

    • memory/2260-164-0x0000000004100000-0x00000000041A7000-memory.dmp
      Filesize

      668KB

    • memory/2260-167-0x0000000004100000-0x00000000041A7000-memory.dmp
      Filesize

      668KB

    • memory/2260-166-0x0000000004100000-0x00000000041A7000-memory.dmp
      Filesize

      668KB

    • memory/2260-226-0x00000000506E0000-0x000000005083C000-memory.dmp
      Filesize

      1.4MB

    • memory/2260-145-0x0000000004100000-0x00000000041A7000-memory.dmp
      Filesize

      668KB

    • memory/2260-229-0x0000000004100000-0x00000000041A7000-memory.dmp
      Filesize

      668KB

    • memory/2260-230-0x0000000004100000-0x00000000041A7000-memory.dmp
      Filesize

      668KB

    • memory/2260-231-0x0000000004100000-0x00000000041A7000-memory.dmp
      Filesize

      668KB

    • memory/2260-232-0x0000000004100000-0x00000000041A7000-memory.dmp
      Filesize

      668KB

    • memory/2260-234-0x0000000004100000-0x00000000041A7000-memory.dmp
      Filesize

      668KB

    • memory/2260-233-0x0000000004100000-0x00000000041A7000-memory.dmp
      Filesize

      668KB

    • memory/2260-236-0x0000000004100000-0x00000000041A7000-memory.dmp
      Filesize

      668KB

    • memory/2260-237-0x0000000004100000-0x00000000041A7000-memory.dmp
      Filesize

      668KB

    • memory/2260-235-0x0000000004100000-0x00000000041A7000-memory.dmp
      Filesize

      668KB

    • memory/2260-238-0x0000000004100000-0x00000000041A7000-memory.dmp
      Filesize

      668KB

    • memory/2260-239-0x0000000004100000-0x00000000041A7000-memory.dmp
      Filesize

      668KB

    • memory/2260-241-0x0000000004100000-0x00000000041A7000-memory.dmp
      Filesize

      668KB

    • memory/2260-242-0x0000000004100000-0x00000000041A7000-memory.dmp
      Filesize

      668KB

    • memory/2260-243-0x0000000004100000-0x00000000041A7000-memory.dmp
      Filesize

      668KB

    • memory/2260-240-0x0000000004100000-0x00000000041A7000-memory.dmp
      Filesize

      668KB

    • memory/2260-165-0x0000000004100000-0x00000000041A7000-memory.dmp
      Filesize

      668KB

    • memory/2404-257-0x0000000000400000-0x000000000055A000-memory.dmp
      Filesize

      1.4MB

    • memory/2404-250-0x00000000506E0000-0x000000005083C000-memory.dmp
      Filesize

      1.4MB

    • memory/2404-222-0x0000000000000000-mapping.dmp
    • memory/2404-263-0x0000000000400000-0x000000000055A000-memory.dmp
      Filesize

      1.4MB

    • memory/3536-199-0x0000000000000000-mapping.dmp
    • memory/3708-203-0x0000000000000000-mapping.dmp
    • memory/4940-204-0x0000000000000000-mapping.dmp