Analysis

  • max time kernel
    151s
  • max time network
    188s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20220812-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20220812-enlocale:en-usos:windows10-2004-x64system
  • submitted
    26-11-2022 08:58

General

  • Target

    775d3cd2fcc98401c1f3f69342ca963e7a291f436cdabf59ce8bac0b3979403f.exe

  • Size

    50KB

  • MD5

    16394a41f8fc229d19c7ff9dbb9b23a0

  • SHA1

    642e66584c53ca3726080b7b328b0ca1ab8bd3e5

  • SHA256

    775d3cd2fcc98401c1f3f69342ca963e7a291f436cdabf59ce8bac0b3979403f

  • SHA512

    adc50c2f3455433b58132ed594d564346935fe61ff32b97051362a9c74277c650c1a5a6478d3fad50c9e065b54050e29f0f20233372d83c4e8edbb3c340a6e9f

  • SSDEEP

    768:pb5nSFf+PRv7Wje3MbGHLizoWlW3WL9EWVKLBIE1Pz1B1/1H57X:plSNQvijecbWOzoWmWLXMhv

Score
10/10

Malware Config

Signatures

  • Adds autorun key to be loaded by Explorer.exe on startup 2 TTPs 22 IoCs
  • Executes dropped EXE 11 IoCs
  • Drops file in System32 directory 33 IoCs
  • Program crash 1 IoCs
  • Modifies registry class 36 IoCs
  • Suspicious use of WriteProcessMemory 33 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\775d3cd2fcc98401c1f3f69342ca963e7a291f436cdabf59ce8bac0b3979403f.exe
    "C:\Users\Admin\AppData\Local\Temp\775d3cd2fcc98401c1f3f69342ca963e7a291f436cdabf59ce8bac0b3979403f.exe"
    1⤵
    • Adds autorun key to be loaded by Explorer.exe on startup
    • Drops file in System32 directory
    • Modifies registry class
    • Suspicious use of WriteProcessMemory
    PID:4880
    • C:\Windows\SysWOW64\Mjeddggd.exe
      C:\Windows\system32\Mjeddggd.exe
      2⤵
      • Adds autorun key to be loaded by Explorer.exe on startup
      • Executes dropped EXE
      • Drops file in System32 directory
      • Modifies registry class
      • Suspicious use of WriteProcessMemory
      PID:2244
      • C:\Windows\SysWOW64\Mamleegg.exe
        C:\Windows\system32\Mamleegg.exe
        3⤵
        • Adds autorun key to be loaded by Explorer.exe on startup
        • Executes dropped EXE
        • Drops file in System32 directory
        • Modifies registry class
        • Suspicious use of WriteProcessMemory
        PID:2864
        • C:\Windows\SysWOW64\Mkepnjng.exe
          C:\Windows\system32\Mkepnjng.exe
          4⤵
          • Adds autorun key to be loaded by Explorer.exe on startup
          • Executes dropped EXE
          • Drops file in System32 directory
          • Modifies registry class
          • Suspicious use of WriteProcessMemory
          PID:1932
          • C:\Windows\SysWOW64\Maohkd32.exe
            C:\Windows\system32\Maohkd32.exe
            5⤵
            • Adds autorun key to be loaded by Explorer.exe on startup
            • Executes dropped EXE
            • Drops file in System32 directory
            • Modifies registry class
            • Suspicious use of WriteProcessMemory
            PID:4860
            • C:\Windows\SysWOW64\Mglack32.exe
              C:\Windows\system32\Mglack32.exe
              6⤵
              • Adds autorun key to be loaded by Explorer.exe on startup
              • Executes dropped EXE
              • Drops file in System32 directory
              • Modifies registry class
              • Suspicious use of WriteProcessMemory
              PID:4188
              • C:\Windows\SysWOW64\Maaepd32.exe
                C:\Windows\system32\Maaepd32.exe
                7⤵
                • Adds autorun key to be loaded by Explorer.exe on startup
                • Executes dropped EXE
                • Drops file in System32 directory
                • Modifies registry class
                • Suspicious use of WriteProcessMemory
                PID:1060
                • C:\Windows\SysWOW64\Nceonl32.exe
                  C:\Windows\system32\Nceonl32.exe
                  8⤵
                  • Adds autorun key to be loaded by Explorer.exe on startup
                  • Executes dropped EXE
                  • Drops file in System32 directory
                  • Modifies registry class
                  • Suspicious use of WriteProcessMemory
                  PID:4308
                  • C:\Windows\SysWOW64\Nafokcol.exe
                    C:\Windows\system32\Nafokcol.exe
                    9⤵
                    • Adds autorun key to be loaded by Explorer.exe on startup
                    • Executes dropped EXE
                    • Drops file in System32 directory
                    • Modifies registry class
                    • Suspicious use of WriteProcessMemory
                    PID:1276
                    • C:\Windows\SysWOW64\Ndghmo32.exe
                      C:\Windows\system32\Ndghmo32.exe
                      10⤵
                      • Adds autorun key to be loaded by Explorer.exe on startup
                      • Executes dropped EXE
                      • Drops file in System32 directory
                      • Modifies registry class
                      • Suspicious use of WriteProcessMemory
                      PID:1668
  • C:\Windows\SysWOW64\Nbkhfc32.exe
    C:\Windows\system32\Nbkhfc32.exe
    1⤵
    • Adds autorun key to be loaded by Explorer.exe on startup
    • Executes dropped EXE
    • Drops file in System32 directory
    • Modifies registry class
    • Suspicious use of WriteProcessMemory
    PID:1744
    • C:\Windows\SysWOW64\Nkcmohbg.exe
      C:\Windows\system32\Nkcmohbg.exe
      2⤵
      • Executes dropped EXE
      PID:1460
      • C:\Windows\SysWOW64\WerFault.exe
        C:\Windows\SysWOW64\WerFault.exe -u -p 1460 -s 400
        3⤵
        • Program crash
        PID:4304
  • C:\Windows\SysWOW64\WerFault.exe
    C:\Windows\SysWOW64\WerFault.exe -pss -s 456 -p 1460 -ip 1460
    1⤵
      PID:5080

    Network

    MITRE ATT&CK Matrix ATT&CK v6

    Persistence

    Registry Run Keys / Startup Folder

    1
    T1060

    Defense Evasion

    Modify Registry

    1
    T1112

    Replay Monitor

    Loading Replay Monitor...

    Downloads

    • C:\Windows\SysWOW64\Maaepd32.exe
      Filesize

      50KB

      MD5

      081a9af4f02b306d25a1fa88e5997e57

      SHA1

      2fe6c06a872f753673951583ef7d321e4c431321

      SHA256

      19372e7f918cd8735547ea306d0b36905d02165db8388e22d3bef1b8f83b85b5

      SHA512

      7a6c507c89a7d75f2224e09bd602cab7fcab14eafe72bc3a9dd0c4d3abb84d70bcfccbaadde81788b308ac95f41f2db5222c6219aa5961c5d7898f37ef92e3b8

    • C:\Windows\SysWOW64\Maaepd32.exe
      Filesize

      50KB

      MD5

      081a9af4f02b306d25a1fa88e5997e57

      SHA1

      2fe6c06a872f753673951583ef7d321e4c431321

      SHA256

      19372e7f918cd8735547ea306d0b36905d02165db8388e22d3bef1b8f83b85b5

      SHA512

      7a6c507c89a7d75f2224e09bd602cab7fcab14eafe72bc3a9dd0c4d3abb84d70bcfccbaadde81788b308ac95f41f2db5222c6219aa5961c5d7898f37ef92e3b8

    • C:\Windows\SysWOW64\Mamleegg.exe
      Filesize

      50KB

      MD5

      7d231d20a9811f02699f48cf27bc0f1d

      SHA1

      0f23f4df43de477277f3e08b06bc3a03bbe4e31a

      SHA256

      29f76a910e22eeda059c0177be884eb7b91dbfcf8683b69afe00931e29d7f3f0

      SHA512

      3098f02636ce7ee87b3a0dd515a2b11d0efafe173c8cb618f3588f4eea0a2ccca7dd0de3dfcca16dc86435923a50017988f27e5df7ecbd0b2914d25cec26b618

    • C:\Windows\SysWOW64\Mamleegg.exe
      Filesize

      50KB

      MD5

      7d231d20a9811f02699f48cf27bc0f1d

      SHA1

      0f23f4df43de477277f3e08b06bc3a03bbe4e31a

      SHA256

      29f76a910e22eeda059c0177be884eb7b91dbfcf8683b69afe00931e29d7f3f0

      SHA512

      3098f02636ce7ee87b3a0dd515a2b11d0efafe173c8cb618f3588f4eea0a2ccca7dd0de3dfcca16dc86435923a50017988f27e5df7ecbd0b2914d25cec26b618

    • C:\Windows\SysWOW64\Maohkd32.exe
      Filesize

      50KB

      MD5

      981b0813d67d14b5288e71d9d6adebdb

      SHA1

      b1649225ac66c8e7d65203a33e696da9b25caefc

      SHA256

      fa6a503b18b51823b6753aea4080bf0d70d22e0f78e7215887afa2556076af51

      SHA512

      5dccda889f078cdbd3451d3a16c86e9521086bc5b7dbec004b302d4454ff0422bc756bbb6d1cc3e3ac22866b206f28c9c9906e8131ab9bf01c32b61df76ff9ae

    • C:\Windows\SysWOW64\Maohkd32.exe
      Filesize

      50KB

      MD5

      981b0813d67d14b5288e71d9d6adebdb

      SHA1

      b1649225ac66c8e7d65203a33e696da9b25caefc

      SHA256

      fa6a503b18b51823b6753aea4080bf0d70d22e0f78e7215887afa2556076af51

      SHA512

      5dccda889f078cdbd3451d3a16c86e9521086bc5b7dbec004b302d4454ff0422bc756bbb6d1cc3e3ac22866b206f28c9c9906e8131ab9bf01c32b61df76ff9ae

    • C:\Windows\SysWOW64\Mglack32.exe
      Filesize

      50KB

      MD5

      73db98dba4b8318c1bebbeb2ff23526f

      SHA1

      cd1116e2495b4dc3f22982810817ee4ef1012ecb

      SHA256

      71868a5f1ee625a09a44a248aad00548469f28125b2ca36b46f361b5f301c924

      SHA512

      e2d2db2f4e27e16fe62a86db6145c306776d0ab9b9fe7aa095d22b67435b91c9166e0b7da901ae94ca86116db2995dc74f57d68d33d93cfc8f0939d5eef118b6

    • C:\Windows\SysWOW64\Mglack32.exe
      Filesize

      50KB

      MD5

      73db98dba4b8318c1bebbeb2ff23526f

      SHA1

      cd1116e2495b4dc3f22982810817ee4ef1012ecb

      SHA256

      71868a5f1ee625a09a44a248aad00548469f28125b2ca36b46f361b5f301c924

      SHA512

      e2d2db2f4e27e16fe62a86db6145c306776d0ab9b9fe7aa095d22b67435b91c9166e0b7da901ae94ca86116db2995dc74f57d68d33d93cfc8f0939d5eef118b6

    • C:\Windows\SysWOW64\Mjeddggd.exe
      Filesize

      50KB

      MD5

      56208badc30bb9879a1daae45535bfd4

      SHA1

      10126499759e945a727caab893dd5fd3ff587a1a

      SHA256

      1424554cc5dcbaedc93f06146598233714c6d5da0507eb131549e6fef20902b0

      SHA512

      918ddaadb0ab07dee35a47d6ad0d3113880e8b973c8246cb9a6af6bd06741839910f0a5db327005754819f8911a37eab9bed6f0eaf526ab5ad5827962754daa4

    • C:\Windows\SysWOW64\Mjeddggd.exe
      Filesize

      50KB

      MD5

      56208badc30bb9879a1daae45535bfd4

      SHA1

      10126499759e945a727caab893dd5fd3ff587a1a

      SHA256

      1424554cc5dcbaedc93f06146598233714c6d5da0507eb131549e6fef20902b0

      SHA512

      918ddaadb0ab07dee35a47d6ad0d3113880e8b973c8246cb9a6af6bd06741839910f0a5db327005754819f8911a37eab9bed6f0eaf526ab5ad5827962754daa4

    • C:\Windows\SysWOW64\Mkepnjng.exe
      Filesize

      50KB

      MD5

      49df51b94238b73b913d9fdd1a7c8602

      SHA1

      3fe01866174fb394db19ee7d13f94741c8f0a387

      SHA256

      9a1dcb312fde5438c1a6b2ecea8ece935778d6ccf58ef7e789ea457f930f9df8

      SHA512

      b6f9626c1179501232aedddca2cb8be31014fd411705d05f420111b140fcfb6014b6b6c42476e5d7f9605b7f51381ae46db6965e8b7f57b645bf2b1e5fe30a36

    • C:\Windows\SysWOW64\Mkepnjng.exe
      Filesize

      50KB

      MD5

      49df51b94238b73b913d9fdd1a7c8602

      SHA1

      3fe01866174fb394db19ee7d13f94741c8f0a387

      SHA256

      9a1dcb312fde5438c1a6b2ecea8ece935778d6ccf58ef7e789ea457f930f9df8

      SHA512

      b6f9626c1179501232aedddca2cb8be31014fd411705d05f420111b140fcfb6014b6b6c42476e5d7f9605b7f51381ae46db6965e8b7f57b645bf2b1e5fe30a36

    • C:\Windows\SysWOW64\Nafokcol.exe
      Filesize

      50KB

      MD5

      20623e2a2b55d6270edd32e491dca746

      SHA1

      8618e1fd71155099a8f7c0d5e15c4585cfc60ff1

      SHA256

      e078e3269676203a54ec065a9fbb86c962ccfdc01fec5c0a32ede2e8542b5e49

      SHA512

      6a4b29afec8cdf02070451b063bfcb59465aeb515fe5bed0cd0cbe501d930a592bdab251a6c87e0a672fb807113a553c825269fd062f5c078778c74515c5fbcc

    • C:\Windows\SysWOW64\Nafokcol.exe
      Filesize

      50KB

      MD5

      20623e2a2b55d6270edd32e491dca746

      SHA1

      8618e1fd71155099a8f7c0d5e15c4585cfc60ff1

      SHA256

      e078e3269676203a54ec065a9fbb86c962ccfdc01fec5c0a32ede2e8542b5e49

      SHA512

      6a4b29afec8cdf02070451b063bfcb59465aeb515fe5bed0cd0cbe501d930a592bdab251a6c87e0a672fb807113a553c825269fd062f5c078778c74515c5fbcc

    • C:\Windows\SysWOW64\Nbkhfc32.exe
      Filesize

      50KB

      MD5

      64c49dfa00d788795405e4f4eb7c7c66

      SHA1

      73b7e391489c9911de8edc4c8cdf9a5c36474f33

      SHA256

      55b1cd74bd06aa0e41009b351ed622e506cb4ba60c08823846e1e65f1053e4e5

      SHA512

      89b5be0139460d18d0f06c5c5f7d2c1b4a11f00396c4c1b7aac9e62d648dc69d8d32224c1a715369ef4224e0006a1bf6e663a8c0b7b72abe80f4f3c74bf035de

    • C:\Windows\SysWOW64\Nbkhfc32.exe
      Filesize

      50KB

      MD5

      64c49dfa00d788795405e4f4eb7c7c66

      SHA1

      73b7e391489c9911de8edc4c8cdf9a5c36474f33

      SHA256

      55b1cd74bd06aa0e41009b351ed622e506cb4ba60c08823846e1e65f1053e4e5

      SHA512

      89b5be0139460d18d0f06c5c5f7d2c1b4a11f00396c4c1b7aac9e62d648dc69d8d32224c1a715369ef4224e0006a1bf6e663a8c0b7b72abe80f4f3c74bf035de

    • C:\Windows\SysWOW64\Nceonl32.exe
      Filesize

      50KB

      MD5

      6fa829c22a89bc19bcc661233934f8d2

      SHA1

      620dbe8e3e0a734984b91b27713da495bc59eda8

      SHA256

      a8bfb380b8c40ffc46f2d390929fe9f40be95175634be3b693331ed1068b2424

      SHA512

      206af4bf4c12290e0dac1a648d239127cfdaea9239b3c520a32d8ef9b7977b7a83c78e34e598d4b325fe6ea2a38e07e1356cdbeb062fd40cdc043614d444287d

    • C:\Windows\SysWOW64\Nceonl32.exe
      Filesize

      50KB

      MD5

      6fa829c22a89bc19bcc661233934f8d2

      SHA1

      620dbe8e3e0a734984b91b27713da495bc59eda8

      SHA256

      a8bfb380b8c40ffc46f2d390929fe9f40be95175634be3b693331ed1068b2424

      SHA512

      206af4bf4c12290e0dac1a648d239127cfdaea9239b3c520a32d8ef9b7977b7a83c78e34e598d4b325fe6ea2a38e07e1356cdbeb062fd40cdc043614d444287d

    • C:\Windows\SysWOW64\Ndghmo32.exe
      Filesize

      50KB

      MD5

      08a226f060a66f267c02ec22972ddeb2

      SHA1

      55fb83a39c8479bccdda80809d70dfd51369e22d

      SHA256

      897b33f8b8713e760d1717bfb338e546e009a2d29c833f402c2436b9c024067f

      SHA512

      356607cc06e9b583dc63c11c15c8f97fc1b216fb83c2db9afd3d81c9ff2efcf6abebdeb78128f1b9099ac85b860e6c11fb363e825e68d4367611bc2c86a8ad18

    • C:\Windows\SysWOW64\Ndghmo32.exe
      Filesize

      50KB

      MD5

      08a226f060a66f267c02ec22972ddeb2

      SHA1

      55fb83a39c8479bccdda80809d70dfd51369e22d

      SHA256

      897b33f8b8713e760d1717bfb338e546e009a2d29c833f402c2436b9c024067f

      SHA512

      356607cc06e9b583dc63c11c15c8f97fc1b216fb83c2db9afd3d81c9ff2efcf6abebdeb78128f1b9099ac85b860e6c11fb363e825e68d4367611bc2c86a8ad18

    • C:\Windows\SysWOW64\Nkcmohbg.exe
      Filesize

      50KB

      MD5

      64e7cfa0867ccce5d7824b2327fe4558

      SHA1

      4618193524005b5e743dc8fd703d378e78262775

      SHA256

      80203be175383e33f5f8ba453c11b38885ebcd5c34f90efacb5dc682576b41a9

      SHA512

      0afc05cfd7686617aebafb747babd38054a53afcf4ce6b6697fed0c86d39fa8b8fd95eac28dff8992e1c6f43a27725528619fb1b8ea6eec31a1f96f859b40845

    • C:\Windows\SysWOW64\Nkcmohbg.exe
      Filesize

      50KB

      MD5

      64e7cfa0867ccce5d7824b2327fe4558

      SHA1

      4618193524005b5e743dc8fd703d378e78262775

      SHA256

      80203be175383e33f5f8ba453c11b38885ebcd5c34f90efacb5dc682576b41a9

      SHA512

      0afc05cfd7686617aebafb747babd38054a53afcf4ce6b6697fed0c86d39fa8b8fd95eac28dff8992e1c6f43a27725528619fb1b8ea6eec31a1f96f859b40845

    • memory/1060-147-0x0000000000000000-mapping.dmp
    • memory/1060-163-0x0000000000400000-0x0000000000431000-memory.dmp
      Filesize

      196KB

    • memory/1276-156-0x0000000000000000-mapping.dmp
    • memory/1276-173-0x0000000000400000-0x0000000000431000-memory.dmp
      Filesize

      196KB

    • memory/1460-176-0x0000000000400000-0x0000000000431000-memory.dmp
      Filesize

      196KB

    • memory/1460-169-0x0000000000000000-mapping.dmp
    • memory/1668-162-0x0000000000000000-mapping.dmp
    • memory/1668-174-0x0000000000400000-0x0000000000431000-memory.dmp
      Filesize

      196KB

    • memory/1744-175-0x0000000000400000-0x0000000000431000-memory.dmp
      Filesize

      196KB

    • memory/1744-166-0x0000000000000000-mapping.dmp
    • memory/1932-157-0x0000000000400000-0x0000000000431000-memory.dmp
      Filesize

      196KB

    • memory/1932-138-0x0000000000000000-mapping.dmp
    • memory/2244-132-0x0000000000000000-mapping.dmp
    • memory/2244-152-0x0000000000400000-0x0000000000431000-memory.dmp
      Filesize

      196KB

    • memory/2864-135-0x0000000000000000-mapping.dmp
    • memory/2864-155-0x0000000000400000-0x0000000000431000-memory.dmp
      Filesize

      196KB

    • memory/4188-161-0x0000000000400000-0x0000000000431000-memory.dmp
      Filesize

      196KB

    • memory/4188-144-0x0000000000000000-mapping.dmp
    • memory/4308-150-0x0000000000000000-mapping.dmp
    • memory/4308-172-0x0000000000400000-0x0000000000431000-memory.dmp
      Filesize

      196KB

    • memory/4860-158-0x0000000000400000-0x0000000000431000-memory.dmp
      Filesize

      196KB

    • memory/4860-141-0x0000000000000000-mapping.dmp
    • memory/4880-151-0x0000000000400000-0x0000000000431000-memory.dmp
      Filesize

      196KB