Analysis

  • max time kernel
    141s
  • max time network
    127s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20240611-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20240611-enlocale:en-usos:windows10-2004-x64system
  • submitted
    21-06-2024 02:00

General

  • Target

    lNV-9088759885958.cmd

  • Size

    4.1MB

  • MD5

    75a6cb4a92d02ef6c1bf0e5088190cb9

  • SHA1

    e99ebb72703971edc6e73f50b03b833fbbe0dde7

  • SHA256

    5c65588d938a6d29b783795576286474107a7989112326cccbecdbdc433f41f3

  • SHA512

    298ec5450835768029318bfb045de38b501eeb41c74e98d4c569da38ca2768fe026b9febc968508857fc9bfcdd3ac6cb4d8c640cdc2631d989e865bc4a2b2af2

  • SSDEEP

    49152:50zbEfxlWCpt6Tz5d1ej30RxqEc0Z6oJYLmNfLIewZTJN6666Iuq66fKID6+6I6h:r

Malware Config

Extracted

Credentials

  • Protocol:
    smtp
  • Host:
    mail.suryaberkatindonesia.com
  • Port:
    587
  • Username:
    [email protected]
  • Password:
    suryaber123

Signatures

  • ModiLoader, DBatLoader

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

  • ModiLoader Second Stage 2 IoCs
  • Command and Scripting Interpreter: PowerShell 1 TTPs 1 IoCs

    Run Powershell to modify Windows Defender settings to add exclusions for file extensions, paths, and processes.

  • Executes dropped EXE 10 IoCs
  • Loads dropped DLL 1 IoCs
  • Reads user/profile data of local email clients 2 TTPs

    Email clients store some user data on disk where infostealers will often target it.

  • Reads user/profile data of web browsers 2 TTPs

    Infostealers often target stored browser data, which can include saved credentials etc.

  • Adds Run key to start application 2 TTPs 2 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.

  • Suspicious use of SetThreadContext 1 IoCs
  • Script User-Agent 2 IoCs

    Uses user-agent string associated with script host/environment.

  • Suspicious behavior: EnumeratesProcesses 6 IoCs
  • Suspicious use of AdjustPrivilegeToken 2 IoCs
  • Suspicious use of WriteProcessMemory 42 IoCs

Processes

  • C:\Windows\system32\cmd.exe
    C:\Windows\system32\cmd.exe /c "C:\Users\Admin\AppData\Local\Temp\lNV-9088759885958.cmd"
    1⤵
    • Suspicious use of WriteProcessMemory
    PID:2516
    • C:\Windows\System32\extrac32.exe
      C:\\Windows\\System32\\extrac32 /C /Y C:\\Windows\\System32\\cmd.exe "C:\\Users\\Public\\alpha.exe"
      2⤵
        PID:3408
      • C:\Users\Public\alpha.exe
        C:\\Users\\Public\\alpha /c extrac32 /C /Y C:\\Windows\\System32\\certutil.exe C:\\Users\\Public\\kn.exe
        2⤵
        • Executes dropped EXE
        • Suspicious use of WriteProcessMemory
        PID:2696
        • C:\Windows\system32\extrac32.exe
          extrac32 /C /Y C:\\Windows\\System32\\certutil.exe C:\\Users\\Public\\kn.exe
          3⤵
            PID:1516
        • C:\Users\Public\alpha.exe
          C:\\Users\\Public\\alpha /c C:\\Users\\Public\\kn -decodehex -F "C:\Users\Admin\AppData\Local\Temp\lNV-9088759885958.cmd" "C:\\Users\\Public\\Audio.mp4" 9
          2⤵
          • Executes dropped EXE
          • Suspicious use of WriteProcessMemory
          PID:2412
          • C:\Users\Public\kn.exe
            C:\\Users\\Public\\kn -decodehex -F "C:\Users\Admin\AppData\Local\Temp\lNV-9088759885958.cmd" "C:\\Users\\Public\\Audio.mp4" 9
            3⤵
            • Executes dropped EXE
            PID:1668
        • C:\Users\Public\alpha.exe
          C:\\Users\\Public\\alpha /c C:\\Users\\Public\\kn -decodehex -F "C:\\Users\\Public\\Audio.mp4" "C:\\Users\\Public\\Libraries\\Audio.pif" 12
          2⤵
          • Executes dropped EXE
          • Suspicious use of WriteProcessMemory
          PID:4708
          • C:\Users\Public\kn.exe
            C:\\Users\\Public\\kn -decodehex -F "C:\\Users\\Public\\Audio.mp4" "C:\\Users\\Public\\Libraries\\Audio.pif" 12
            3⤵
            • Executes dropped EXE
            PID:1992
        • C:\Users\Public\Libraries\Audio.pif
          C:\Users\Public\Libraries\Audio.pif
          2⤵
          • Executes dropped EXE
          • Adds Run key to start application
          • Suspicious use of SetThreadContext
          • Suspicious use of WriteProcessMemory
          PID:1916
          • C:\Windows\SysWOW64\cmd.exe
            cmd /c mkdir "\\?\C:\Windows "
            3⤵
              PID:2872
            • C:\Windows\SysWOW64\cmd.exe
              cmd /c mkdir "\\?\C:\Windows \System32"
              3⤵
                PID:1952
              • C:\Windows\SysWOW64\cmd.exe
                cmd /c "C:\\Windows \\System32\\cmd.pif"
                3⤵
                • Suspicious use of WriteProcessMemory
                PID:2488
                • C:\Windows \System32\cmd.pif
                  "C:\\Windows \\System32\\cmd.pif"
                  4⤵
                  • Executes dropped EXE
                  • Loads dropped DLL
                  • Suspicious use of WriteProcessMemory
                  PID:332
                  • C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe
                    powershell -inputformat none -outputformat none -NonInteractive -Command Add-MpPreference -ExclusionPath 'C:'
                    5⤵
                    • Command and Scripting Interpreter: PowerShell
                    • Suspicious behavior: EnumeratesProcesses
                    • Suspicious use of AdjustPrivilegeToken
                    PID:4628
              • C:\Windows\SysWOW64\extrac32.exe
                C:\\Windows\\System32\\extrac32.exe /C /Y C:\Users\Public\Libraries\Audio.pif C:\\Users\\Public\\Libraries\\Nvdfyuiu.PIF
                3⤵
                  PID:4164
                • C:\Users\Public\Libraries\uiuyfdvN.pif
                  C:\Users\Public\Libraries\uiuyfdvN.pif
                  3⤵
                  • Executes dropped EXE
                  • Adds Run key to start application
                  • Suspicious behavior: EnumeratesProcesses
                  • Suspicious use of AdjustPrivilegeToken
                  PID:3680
              • C:\Users\Public\alpha.exe
                C:\\Users\\Public\\alpha /c del /q "C:\Users\Public\kn.exe" / A / F / Q / S
                2⤵
                • Executes dropped EXE
                PID:2220
              • C:\Users\Public\alpha.exe
                C:\\Users\\Public\\alpha /c del /q "C:\Users\Public\Audio.mp4" / A / F / Q / S
                2⤵
                • Executes dropped EXE
                PID:4896
            • C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
              "C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=utility --utility-sub-type=asset_store.mojom.AssetStoreService --lang=en-US --service-sandbox-type=asset_store_service --field-trial-handle=4296,i,3595107284059830391,18018199024659337217,262144 --variations-seed-version --mojo-platform-channel-handle=4112 /prefetch:8
              1⤵
                PID:408

              Network

              MITRE ATT&CK Enterprise v15

              Replay Monitor

              Loading Replay Monitor...

              Downloads

              • C:\Users\Admin\AppData\Local\Temp\__PSScriptPolicyTest_0nv3j53e.b0u.ps1

                Filesize

                60B

                MD5

                d17fe0a3f47be24a6453e9ef58c94641

                SHA1

                6ab83620379fc69f80c0242105ddffd7d98d5d9d

                SHA256

                96ad1146eb96877eab5942ae0736b82d8b5e2039a80d3d6932665c1a4c87dcf7

                SHA512

                5b592e58f26c264604f98f6aa12860758ce606d1c63220736cf0c779e4e18e3cec8706930a16c38b20161754d1017d1657d35258e58ca22b18f5b232880dec82

              • C:\Users\Public\Audio.mp4

                Filesize

                3.0MB

                MD5

                24eca41b035ab826934e998b874398b0

                SHA1

                5da0772e30198aa9f489de683880f3b14be6d916

                SHA256

                716743d7e555b18a15ad8aa93ab7b87c456d556425fe716c2b00461973af6c55

                SHA512

                2b4d1b4e623d4e0109403fa8f6f9ddc7a0ff9ac0f6f7373ce1f2c66afe5d926f04b20d0bed85ffe7e254d5f2134af4c322a1aebba15e3bdb0f566ab973855484

              • C:\Users\Public\Libraries\Audio.pif

                Filesize

                1.5MB

                MD5

                ab0d98b37da9c1bd33adec509689fa4e

                SHA1

                4ca1a3f7bd543878dce7104473ee43b2ab783628

                SHA256

                78e62a907f38c42e9eb2ef88ebab24a157e68eeba1210b4d6a2aa0eb919202ff

                SHA512

                d581f6a466c6e432a08b3a550179f88a6bb9cdeba8d0ba97e609201841442014dc04f4170c11ee2f776170941421dfe0873c705785a60301dc4e60668a574567

              • C:\Users\Public\Libraries\uiuyfdvN.pif

                Filesize

                182KB

                MD5

                3776012e2ef5a5cae6935853e6ca79b2

                SHA1

                4fc81df94baaaa550473ac9d20763cfb786577ff

                SHA256

                8e104cc58e62de0eab837ac09b01d30e85f79045cc1803fa2ef4eafbdbd41e8d

                SHA512

                38811cb1431e8b7b07113ae54f1531f8992bd0e572d9daa1029cf8692396427285a4c089ffd56422ca0c6b393e9fca0856a5a5cd77062e7e71bf0a670843cfb8

              • C:\Users\Public\alpha.exe

                Filesize

                283KB

                MD5

                8a2122e8162dbef04694b9c3e0b6cdee

                SHA1

                f1efb0fddc156e4c61c5f78a54700e4e7984d55d

                SHA256

                b99d61d874728edc0918ca0eb10eab93d381e7367e377406e65963366c874450

                SHA512

                99e784141193275d4364ba1b8762b07cc150ca3cb7e9aa1d4386ba1fa87e073d0500e61572f8d1b071f2faa2a51bb123e12d9d07054b59a1a2fd768ad9f24397

              • C:\Users\Public\kn.exe

                Filesize

                1.6MB

                MD5

                bd8d9943a9b1def98eb83e0fa48796c2

                SHA1

                70e89852f023ab7cde0173eda1208dbb580f1e4f

                SHA256

                8de7b4eb1301d6cbe4ea2c8d13b83280453eb64e3b3c80756bbd1560d65ca4d2

                SHA512

                95630fdddad5db60cc97ec76ee1ca02dbb00ee3de7d6957ecda8968570e067ab2a9df1cc07a3ce61161a994acbe8417c83661320b54d04609818009a82552f7b

              • C:\Windows \System32\cmd.pif

                Filesize

                94KB

                MD5

                869640d0a3f838694ab4dfea9e2f544d

                SHA1

                bdc42b280446ba53624ff23f314aadb861566832

                SHA256

                0db4d3ffdb96d13cf3b427af8be66d985728c55ae254e4b67d287797e4c0b323

                SHA512

                6e775cfb350415434b18427d5ff79b930ed3b0b3fc3466bc195a796c95661d4696f2d662dd0e020c3a6c3419c2734468b1d7546712ecec868d2bbfd2bc2468a7

              • C:\Windows \System32\netutils.dll

                Filesize

                110KB

                MD5

                a50a86252349e4536e72653145bb938f

                SHA1

                c7602b39d739852321b1b35b9d784fdb005d1689

                SHA256

                6c62b515d798303eae096883f66afc0150dcf2f970b4ebfe8465c990294c97ae

                SHA512

                3c4f6025588425871466f1267dd6ba1db0e9d5e78bca1ac0375c56b8f39023cc8e41f43efbd8e30a75afc921d176bf8c4d66ae8fe28e4e8081049bac48b9433d

              • memory/332-36-0x00000000613C0000-0x00000000613E2000-memory.dmp

                Filesize

                136KB

              • memory/1916-28-0x0000000000400000-0x0000000000587000-memory.dmp

                Filesize

                1.5MB

              • memory/3680-109-0x0000000028520000-0x0000000028574000-memory.dmp

                Filesize

                336KB

              • memory/3680-93-0x0000000028520000-0x0000000028574000-memory.dmp

                Filesize

                336KB

              • memory/3680-61-0x0000000026130000-0x000000002618C000-memory.dmp

                Filesize

                368KB

              • memory/3680-62-0x00000000286E0000-0x0000000028C84000-memory.dmp

                Filesize

                5.6MB

              • memory/3680-63-0x0000000028520000-0x000000002857A000-memory.dmp

                Filesize

                360KB

              • memory/3680-67-0x0000000028520000-0x0000000028574000-memory.dmp

                Filesize

                336KB

              • memory/3680-65-0x0000000028520000-0x0000000028574000-memory.dmp

                Filesize

                336KB

              • memory/3680-64-0x0000000028520000-0x0000000028574000-memory.dmp

                Filesize

                336KB

              • memory/3680-75-0x0000000028520000-0x0000000028574000-memory.dmp

                Filesize

                336KB

              • memory/3680-121-0x0000000028520000-0x0000000028574000-memory.dmp

                Filesize

                336KB

              • memory/3680-119-0x0000000028520000-0x0000000028574000-memory.dmp

                Filesize

                336KB

              • memory/3680-115-0x0000000028520000-0x0000000028574000-memory.dmp

                Filesize

                336KB

              • memory/3680-113-0x0000000028520000-0x0000000028574000-memory.dmp

                Filesize

                336KB

              • memory/3680-111-0x0000000028520000-0x0000000028574000-memory.dmp

                Filesize

                336KB

              • memory/3680-56-0x0000000000400000-0x0000000001400000-memory.dmp

                Filesize

                16.0MB

              • memory/3680-107-0x0000000028520000-0x0000000028574000-memory.dmp

                Filesize

                336KB

              • memory/3680-105-0x0000000028520000-0x0000000028574000-memory.dmp

                Filesize

                336KB

              • memory/3680-101-0x0000000028520000-0x0000000028574000-memory.dmp

                Filesize

                336KB

              • memory/3680-99-0x0000000028520000-0x0000000028574000-memory.dmp

                Filesize

                336KB

              • memory/3680-97-0x0000000028520000-0x0000000028574000-memory.dmp

                Filesize

                336KB

              • memory/3680-95-0x0000000028520000-0x0000000028574000-memory.dmp

                Filesize

                336KB

              • memory/3680-59-0x0000000000400000-0x0000000001400000-memory.dmp

                Filesize

                16.0MB

              • memory/3680-91-0x0000000028520000-0x0000000028574000-memory.dmp

                Filesize

                336KB

              • memory/3680-90-0x0000000028520000-0x0000000028574000-memory.dmp

                Filesize

                336KB

              • memory/3680-87-0x0000000028520000-0x0000000028574000-memory.dmp

                Filesize

                336KB

              • memory/3680-86-0x0000000028520000-0x0000000028574000-memory.dmp

                Filesize

                336KB

              • memory/3680-84-0x0000000028520000-0x0000000028574000-memory.dmp

                Filesize

                336KB

              • memory/3680-81-0x0000000028520000-0x0000000028574000-memory.dmp

                Filesize

                336KB

              • memory/3680-79-0x0000000028520000-0x0000000028574000-memory.dmp

                Filesize

                336KB

              • memory/3680-78-0x0000000028520000-0x0000000028574000-memory.dmp

                Filesize

                336KB

              • memory/3680-73-0x0000000028520000-0x0000000028574000-memory.dmp

                Filesize

                336KB

              • memory/3680-71-0x0000000028520000-0x0000000028574000-memory.dmp

                Filesize

                336KB

              • memory/3680-69-0x0000000028520000-0x0000000028574000-memory.dmp

                Filesize

                336KB

              • memory/3680-117-0x0000000028520000-0x0000000028574000-memory.dmp

                Filesize

                336KB

              • memory/3680-103-0x0000000028520000-0x0000000028574000-memory.dmp

                Filesize

                336KB

              • memory/3680-1132-0x0000000028C90000-0x0000000028CF6000-memory.dmp

                Filesize

                408KB

              • memory/3680-1134-0x0000000029B40000-0x0000000029B90000-memory.dmp

                Filesize

                320KB

              • memory/3680-1135-0x0000000029B90000-0x0000000029C2C000-memory.dmp

                Filesize

                624KB

              • memory/3680-1137-0x0000000029E10000-0x0000000029EA2000-memory.dmp

                Filesize

                584KB

              • memory/3680-1138-0x000000002A030000-0x000000002A03A000-memory.dmp

                Filesize

                40KB

              • memory/4628-37-0x000001FFDA820000-0x000001FFDA842000-memory.dmp

                Filesize

                136KB