Analysis

  • max time kernel
    150s
  • max time network
    149s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20231222-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20231222-enlocale:en-usos:windows10-2004-x64system
  • submitted
    03/02/2024, 18:27

General

  • Target

    8d0a42410cef8bb15fd372a3676ac3d4.exe

  • Size

    856KB

  • MD5

    8d0a42410cef8bb15fd372a3676ac3d4

  • SHA1

    40af8a948e2bd9845e511842b631fbd1858fb02b

  • SHA256

    747bc5eb611f174f110900d2466ee7a061f934ffb64932db2fad4af386731088

  • SHA512

    da1894b627f04ad01cf3363b08fd1d7150e0fed5ba63e0aa27c51965a88f1df29292b183a71fa80f61fdd69451b6551840d301c0b2ceb13ac807af38232ded6a

  • SSDEEP

    12288:cJjCWhgzbBK8PtV9m2YkA4UrCuMtfQBSo7n4fUT2a6A2QeTF0XhMdUyGtd:cJmmgP1PikA43xsr4Y2a6A2nChuUr

Malware Config

Signatures

  • ModiLoader, DBatLoader

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

  • Modifies visiblity of hidden/system files in Explorer 2 TTPs 2 IoCs
  • ModiLoader Second Stage 10 IoCs
  • Checks computer location settings 2 TTPs 2 IoCs

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

  • Executes dropped EXE 10 IoCs
  • UPX packed file 13 IoCs

    Detects executables packed with UPX/modified UPX open source packer.

  • Adds Run key to start application 2 TTPs 52 IoCs
  • Maps connected drives based on registry 3 TTPs 4 IoCs

    Disk information is often read in order to detect sandboxing environments.

  • Suspicious use of SetThreadContext 4 IoCs
  • Enumerates physical storage devices 1 TTPs

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

  • Enumerates processes with tasklist 1 TTPs 2 IoCs
  • Suspicious behavior: EnumeratesProcesses 64 IoCs
  • Suspicious use of AdjustPrivilegeToken 9 IoCs
  • Suspicious use of SetWindowsHookEx 4 IoCs
  • Suspicious use of UnmapMainImage 1 IoCs
  • Suspicious use of WriteProcessMemory 64 IoCs

Processes

  • C:\Windows\Explorer.EXE
    C:\Windows\Explorer.EXE
    1⤵
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of UnmapMainImage
    PID:3428
    • C:\Users\Admin\AppData\Local\Temp\8d0a42410cef8bb15fd372a3676ac3d4.exe
      "C:\Users\Admin\AppData\Local\Temp\8d0a42410cef8bb15fd372a3676ac3d4.exe"
      2⤵
      • Suspicious use of SetThreadContext
      • Suspicious use of WriteProcessMemory
      PID:2712
      • C:\Users\Admin\AppData\Local\Temp\8d0a42410cef8bb15fd372a3676ac3d4.exe
        8d0a42410cef8bb15fd372a3676ac3d4.exe
        3⤵
        • Checks computer location settings
        • Suspicious use of SetWindowsHookEx
        • Suspicious use of WriteProcessMemory
        PID:1344
        • C:\Users\Admin\HM23Yh.exe
          C:\Users\Admin\HM23Yh.exe
          4⤵
          • Modifies visiblity of hidden/system files in Explorer
          • Checks computer location settings
          • Executes dropped EXE
          • Adds Run key to start application
          • Suspicious behavior: EnumeratesProcesses
          • Suspicious use of SetWindowsHookEx
          • Suspicious use of WriteProcessMemory
          PID:1248
          • C:\Users\Admin\zaoero.exe
            "C:\Users\Admin\zaoero.exe"
            5⤵
            • Modifies visiblity of hidden/system files in Explorer
            • Executes dropped EXE
            • Adds Run key to start application
            • Suspicious behavior: EnumeratesProcesses
            • Suspicious use of SetWindowsHookEx
            PID:816
          • C:\Windows\SysWOW64\cmd.exe
            "C:\Windows\System32\cmd.exe" /c tasklist&&del HM23Yh.exe
            5⤵
            • Suspicious use of WriteProcessMemory
            PID:3268
            • C:\Windows\SysWOW64\tasklist.exe
              tasklist
              6⤵
              • Enumerates processes with tasklist
              • Suspicious use of AdjustPrivilegeToken
              PID:4964
        • C:\Users\Admin\awhost.exe
          C:\Users\Admin\awhost.exe
          4⤵
          • Executes dropped EXE
          • Suspicious use of SetThreadContext
          • Suspicious use of WriteProcessMemory
          PID:1424
          • C:\Users\Admin\awhost.exe
            awhost.exe
            5⤵
            • Executes dropped EXE
            • Maps connected drives based on registry
            • Suspicious behavior: EnumeratesProcesses
            PID:3500
        • C:\Users\Admin\bwhost.exe
          C:\Users\Admin\bwhost.exe
          4⤵
          • Executes dropped EXE
          • Suspicious use of SetThreadContext
          • Suspicious use of WriteProcessMemory
          PID:1908
          • C:\Users\Admin\bwhost.exe
            bwhost.exe
            5⤵
            • Executes dropped EXE
            • Maps connected drives based on registry
            • Suspicious behavior: EnumeratesProcesses
            PID:4852
        • C:\Users\Admin\cwhost.exe
          C:\Users\Admin\cwhost.exe
          4⤵
          • Executes dropped EXE
          • Suspicious use of WriteProcessMemory
          PID:4808
          • C:\Windows\explorer.exe
            000001D8*
            5⤵
              PID:4508
          • C:\Users\Admin\dwhost.exe
            C:\Users\Admin\dwhost.exe
            4⤵
            • Executes dropped EXE
            • Suspicious use of SetThreadContext
            • Suspicious use of AdjustPrivilegeToken
            • Suspicious use of WriteProcessMemory
            PID:2404
            • C:\Users\Admin\AppData\Local\f8310c6e\X
              193.105.154.210:80
              5⤵
              • Executes dropped EXE
              • Suspicious behavior: EnumeratesProcesses
              • Suspicious use of WriteProcessMemory
              PID:2812
            • C:\Windows\SysWOW64\cmd.exe
              "C:\Windows\system32\cmd.exe"
              5⤵
                PID:2088
            • C:\Users\Admin\ewhost.exe
              C:\Users\Admin\ewhost.exe
              4⤵
              • Executes dropped EXE
              • Suspicious use of SetWindowsHookEx
              PID:1576
            • C:\Windows\SysWOW64\cmd.exe
              "C:\Windows\System32\cmd.exe" /c tasklist&&del 8d0a42410cef8bb15fd372a3676ac3d4.exe
              4⤵
                PID:4576
                • C:\Windows\SysWOW64\tasklist.exe
                  tasklist
                  5⤵
                  • Enumerates processes with tasklist
                  • Suspicious use of AdjustPrivilegeToken
                  PID:1180

        Network

              MITRE ATT&CK Enterprise v15

              Replay Monitor

              Loading Replay Monitor...

              Downloads

              • C:\Users\Admin\AppData\Local\f8310c6e\X

                Filesize

                41KB

                MD5

                686b479b0ee164cf1744a8be359ebb7d

                SHA1

                8615e8f967276a85110b198d575982a958581a07

                SHA256

                fcfbb4c648649f4825b66504b261f912227ba32cbaabcadf4689020a83fb201b

                SHA512

                7ed8022e2b09f232150b77fc3a25269365b624f19f0b50c46a4fdf744eeb23294c09c051452c4c9dbb34a274f1a0bfc54b3ff1987ec16ae2e54848e22a97ed64

              • C:\Users\Admin\HM23Yh.exe

                Filesize

                224KB

                MD5

                b9204dce58a6e81de3b3306eb6cb03e5

                SHA1

                ceb777de961f82c42b9b71dca67b8e56a31908a3

                SHA256

                438f71f74c972c3ed35a21bbc93cbc8dd1fb3cf17fd789ae730e60e53816b472

                SHA512

                f555f397416efd33bf9591dd08ad27a4dfed1d26cbfb9d73dc4c3ae130da8ce254d4bfc1e70406f3c92565d28e045469b3ba3b172bd5d19c5876708bb1aa37ed

              • C:\Users\Admin\awhost.exe

                Filesize

                270KB

                MD5

                5efdb148d618a6b6d2369fccd60f4212

                SHA1

                7e2045b55c33af87848088738215af2bf7ad0b9b

                SHA256

                db7e3eef1813f386579a2dd11587077c6888809ac9c9e33c7584eb301402203b

                SHA512

                e63d8d4caf1cc98bc9beb168302c89885b12175a5802e2e7f507d30bce04eb67ce1f81519f544da297bbb581f59c5baab8ed3fd9b3f7f911a884095603587a21

              • C:\Users\Admin\awhost.exe

                Filesize

                185KB

                MD5

                b07b737759893ad387d4f0a17eb77055

                SHA1

                aa7b72ae3d985848e056f1f9c118dac24148bb5d

                SHA256

                69f04e8360d20e5cd94859041ee5d76c5e01d09fd6b8ef5b71aaa7f83772d4b5

                SHA512

                77ac990ab2605860c9ddb1d7210e3775141fd638413960ded1e7ed5a5d2061464eadfbf85cf3f2fe5d1e41a304219db453f2f46cd50229be47ea1c88156ad225

              • C:\Users\Admin\bwhost.exe

                Filesize

                157KB

                MD5

                2dd258fd2e5a7fccd81b8af93c08780b

                SHA1

                a5373acdb7f4684b032954e9e754593ddcc827b2

                SHA256

                00d8a5382bc4f61a6836bc2b22c05b57485bdf2550188c456f1a854d8a885ca9

                SHA512

                20048701859ed645bc678a3a45a3ef45cee1d31edfba2ab6cc8edbb03bad6174b541694ac09f4dc58c58241a93d592deb049c33d22ef3cc9f0a6eaac925111df

              • C:\Users\Admin\cwhost.exe

                Filesize

                150KB

                MD5

                d91ada984db5e7adbf2b80c2284c12f6

                SHA1

                31e9b27095ac041687b016006f41ea6e5222202d

                SHA256

                8cbabd93630154a79f8f0c52964f330b44b427631403c3eef4b6c6fc87649948

                SHA512

                8a0eea5b8ffc4c8d4bdf1e551e6c11e8d188f2209666e2f4b6a74bed99105264510a612a7a1e72f7142584386891ab4aa95946110b8fe623d5b2035494da0748

              • C:\Users\Admin\dwhost.exe

                Filesize

                333KB

                MD5

                1aceb282a6d05fcc08f3f74f5483bf0a

                SHA1

                778e34df0c35fee3ab8b7f1af14b2b4ce948ea7b

                SHA256

                d62b7050a4ada5513bb9f24c79cf782a8675122ef7833bc8c91cb107fe71fc6d

                SHA512

                5f2c02faa69f1f3f32affc898773d92738a9944a59ad2a28cebe192b0ad1089363c8e3bbc1d202097b160c1b2dada71fc0f03a1a0744dbc2c72cc3273a4629f8

              • C:\Users\Admin\ewhost.exe

                Filesize

                36KB

                MD5

                4bcd12fdaa17197a658a5113af9120ec

                SHA1

                3ac79b0b793e390cf1dea82c1754ec34aab1ea46

                SHA256

                e781bf0233fb732b4b6935255af5cf33b7f0a58bad54b70408c347d2e83dbf96

                SHA512

                dab61b32fc43b2f55a197ebdf1b8c5709ed97e99530fb31a33ec077c25812f075733ff5e97cc5eebe01d8b83cd29ba104caba02b7a8cdf7e13f43e18432ccbdd

              • C:\Users\Admin\zaoero.exe

                Filesize

                224KB

                MD5

                55ad3d3610ee9385d803247bc092fe9c

                SHA1

                2dd3f063e1508cf4527d4ace3276b21c0b5cd928

                SHA256

                b08408af2e71b242addf461df2b4fb0c707ad7778d3abc2d966af896088ac915

                SHA512

                f52228a6cdb0d1cf1f3994efe910b125d7f8100c46ef1bb094bd8a34808fc6d46be7352eadba1dd55b220fc2fde92fe2b76986ab0fc72a34e7eaf71db7ac426d

              • memory/1344-6-0x0000000000400000-0x000000000052D000-memory.dmp

                Filesize

                1.2MB

              • memory/1344-7-0x0000000000400000-0x000000000052D000-memory.dmp

                Filesize

                1.2MB

              • memory/1344-1-0x0000000000400000-0x000000000052D000-memory.dmp

                Filesize

                1.2MB

              • memory/1344-5-0x0000000000400000-0x000000000052D000-memory.dmp

                Filesize

                1.2MB

              • memory/1344-127-0x0000000000400000-0x000000000052D000-memory.dmp

                Filesize

                1.2MB

              • memory/1344-0-0x0000000000400000-0x000000000052D000-memory.dmp

                Filesize

                1.2MB

              • memory/1344-74-0x0000000000400000-0x000000000052D000-memory.dmp

                Filesize

                1.2MB

              • memory/1424-61-0x0000000000400000-0x000000000041F000-memory.dmp

                Filesize

                124KB

              • memory/1908-72-0x0000000000400000-0x000000000041F000-memory.dmp

                Filesize

                124KB

              • memory/2404-94-0x0000000000400000-0x0000000000462FF0-memory.dmp

                Filesize

                395KB

              • memory/2404-95-0x0000000000740000-0x0000000000840000-memory.dmp

                Filesize

                1024KB

              • memory/2404-112-0x0000000000400000-0x0000000000462FF0-memory.dmp

                Filesize

                395KB

              • memory/2404-106-0x0000000000400000-0x0000000000462FF0-memory.dmp

                Filesize

                395KB

              • memory/2712-4-0x0000000000400000-0x0000000000420000-memory.dmp

                Filesize

                128KB

              • memory/3428-101-0x0000000000CB0000-0x0000000000CB8000-memory.dmp

                Filesize

                32KB

              • memory/3500-57-0x0000000000400000-0x0000000000438000-memory.dmp

                Filesize

                224KB

              • memory/3500-56-0x0000000000400000-0x0000000000438000-memory.dmp

                Filesize

                224KB

              • memory/3500-102-0x0000000000400000-0x0000000000438000-memory.dmp

                Filesize

                224KB

              • memory/3500-62-0x0000000000400000-0x0000000000438000-memory.dmp

                Filesize

                224KB

              • memory/3500-53-0x0000000000400000-0x0000000000438000-memory.dmp

                Filesize

                224KB

              • memory/3500-54-0x0000000000400000-0x0000000000438000-memory.dmp

                Filesize

                224KB

              • memory/3500-55-0x0000000000400000-0x0000000000438000-memory.dmp

                Filesize

                224KB

              • memory/4508-89-0x0000000000100000-0x0000000000115000-memory.dmp

                Filesize

                84KB

              • memory/4808-84-0x0000000000400000-0x0000000000444000-memory.dmp

                Filesize

                272KB

              • memory/4808-87-0x0000000000400000-0x0000000000444000-memory.dmp

                Filesize

                272KB

              • memory/4808-86-0x00000000020E3000-0x00000000020E4000-memory.dmp

                Filesize

                4KB

              • memory/4808-85-0x00000000020E0000-0x0000000002124000-memory.dmp

                Filesize

                272KB

              • memory/4808-83-0x0000000000400000-0x0000000000444000-memory.dmp

                Filesize

                272KB

              • memory/4808-82-0x0000000000400000-0x0000000000444000-memory.dmp

                Filesize

                272KB

              • memory/4808-81-0x0000000000400000-0x0000000000444000-memory.dmp

                Filesize

                272KB

              • memory/4852-77-0x0000000000400000-0x0000000000428000-memory.dmp

                Filesize

                160KB

              • memory/4852-103-0x0000000000400000-0x0000000000428000-memory.dmp

                Filesize

                160KB

              • memory/4852-73-0x0000000000400000-0x0000000000428000-memory.dmp

                Filesize

                160KB

              • memory/4852-76-0x0000000000400000-0x0000000000428000-memory.dmp

                Filesize

                160KB

              • memory/4852-67-0x0000000000400000-0x0000000000428000-memory.dmp

                Filesize

                160KB

              • memory/4852-66-0x0000000000400000-0x0000000000428000-memory.dmp

                Filesize

                160KB