Analysis

  • max time kernel
    69s
  • max time network
    71s
  • platform
    windows7_x64
  • resource
    win7-20230705-en
  • resource tags

    arch:x64arch:x86image:win7-20230705-enlocale:en-usos:windows7-x64system
  • submitted
    10/07/2023, 17:50

General

  • Target

    file.exe

  • Size

    1.2MB

  • MD5

    67fcce3d5c8e7c4fe18c1180623103bf

  • SHA1

    e92e863bcebef447f56d62393f088e70bda7c9a6

  • SHA256

    37f074e704bbad04527d2f14ed764ecdd6e9520ad244ee92747e6ca7e6229e38

  • SHA512

    d1b6f70abb6a9c8c1802ec6eb6076c3807af4c71724dea6960376ed1ad2e8d9512886c81e653118e49edb412bbc353a1c1039e56306a3295a426bcd3d9c56386

  • SSDEEP

    24576:nfOyH3/ld1p409p4gPNDfpD8Lxolkz1DI1YSk2TSPv5dl2vSBreuS2w02VnKU:nGM/Pr4gPh18+lkzdIhk0g5FeuZknn

Malware Config

Extracted

Family

gcleaner

C2

45.12.253.56

45.12.253.72

45.12.253.98

45.12.253.75

Signatures

  • GCleaner

    GCleaner is a Pay-Per-Install malware loader first discovered in early 2019.

  • Executes dropped EXE 3 IoCs
  • Loads dropped DLL 6 IoCs
  • Checks installed software on the system 1 TTPs

    Looks up Uninstall key entries in the registry to enumerate software on the system.

  • Drops file in Program Files directory 64 IoCs
  • Enumerates physical storage devices 1 TTPs

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

  • Kills process with taskkill 1 IoCs
  • Runs net.exe
  • Suspicious behavior: EnumeratesProcesses 3 IoCs
  • Suspicious use of AdjustPrivilegeToken 1 IoCs
  • Suspicious use of WriteProcessMemory 31 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\file.exe
    "C:\Users\Admin\AppData\Local\Temp\file.exe"
    1⤵
    • Loads dropped DLL
    • Suspicious use of WriteProcessMemory
    PID:2144
    • C:\Users\Admin\AppData\Local\Temp\is-OBPO8.tmp\is-7Q6N8.tmp
      "C:\Users\Admin\AppData\Local\Temp\is-OBPO8.tmp\is-7Q6N8.tmp" /SL4 $90120 "C:\Users\Admin\AppData\Local\Temp\file.exe" 965375 117760
      2⤵
      • Executes dropped EXE
      • Loads dropped DLL
      • Drops file in Program Files directory
      • Suspicious use of WriteProcessMemory
      PID:2972
      • C:\Windows\SysWOW64\net.exe
        "C:\Windows\system32\net.exe" helpmsg 10
        3⤵
        • Suspicious use of WriteProcessMemory
        PID:2904
        • C:\Windows\SysWOW64\net1.exe
          C:\Windows\system32\net1 helpmsg 10
          4⤵
            PID:1856
        • C:\Program Files (x86)\RerSpacer710\RerSpacer710.exe
          "C:\Program Files (x86)\RerSpacer710\RerSpacer710.exe"
          3⤵
          • Executes dropped EXE
          • Loads dropped DLL
          • Suspicious behavior: EnumeratesProcesses
          • Suspicious use of WriteProcessMemory
          PID:2468
          • C:\Users\Admin\AppData\Roaming\{846ee340-7039-11de-9d20-806e6f6e6963}\NDDoNGKp.exe
            4⤵
            • Executes dropped EXE
            PID:1828
          • C:\Windows\SysWOW64\cmd.exe
            "C:\Windows\System32\cmd.exe" /c taskkill /im "RerSpacer710.exe" /f & erase "C:\Program Files (x86)\RerSpacer710\RerSpacer710.exe" & exit
            4⤵
            • Suspicious use of WriteProcessMemory
            PID:2728
            • C:\Windows\SysWOW64\taskkill.exe
              taskkill /im "RerSpacer710.exe" /f
              5⤵
              • Kills process with taskkill
              • Suspicious use of AdjustPrivilegeToken
              PID:2764

    Network

    MITRE ATT&CK Enterprise v6

    Replay Monitor

    Loading Replay Monitor...

    Downloads

    • C:\Program Files (x86)\RerSpacer710\RerSpacer710.exe

      Filesize

      1.1MB

      MD5

      eccdea4e49c6e44331deef585ef8de01

      SHA1

      d6503393510cd4215cf3ae1051bc48c7e03bc8a0

      SHA256

      0343e8a9e28a0ea60d91f548f3700b85d2929f623f0be8b53618061109144822

      SHA512

      f82b0d8264d7d05f60c5b8e79d7dd6c9b5e83f820c95a8ef6aec3a9045618cd4dc2fcfb222bdf318c5f9b127984c7d0e112f7328079878c795df3d244bd2c5ee

    • C:\Program Files (x86)\RerSpacer710\RerSpacer710.exe

      Filesize

      1.1MB

      MD5

      eccdea4e49c6e44331deef585ef8de01

      SHA1

      d6503393510cd4215cf3ae1051bc48c7e03bc8a0

      SHA256

      0343e8a9e28a0ea60d91f548f3700b85d2929f623f0be8b53618061109144822

      SHA512

      f82b0d8264d7d05f60c5b8e79d7dd6c9b5e83f820c95a8ef6aec3a9045618cd4dc2fcfb222bdf318c5f9b127984c7d0e112f7328079878c795df3d244bd2c5ee

    • C:\Program Files (x86)\RerSpacer710\readme.txt

      Filesize

      4KB

      MD5

      ce494d2d223aed950fea67f657d3fa3e

      SHA1

      97a19c02487c41e3a079cd6764afffeb5e838b26

      SHA256

      c8fa111c5b9537e3b6cab9ba763e164e27fa469f2232b82a54b206a7d892b9e9

      SHA512

      687bf3bd7de28dc45ea622672dc59d7e45d9ce83530a7db6462447ea247a9bde061738c454e09b48531aab9cce802c8491aa730e4da65e63daf31c65ffc39fe1

    • C:\Users\Admin\AppData\Local\Microsoft\Windows\Temporary Internet Files\Content.IE5\ANFZKI5S\dll[1].htm

      Filesize

      1B

      MD5

      cfcd208495d565ef66e7dff9f98764da

      SHA1

      b6589fc6ab0dc82cf12099d1c2d40ab994e8410c

      SHA256

      5feceb66ffc86f38d952786c6d696c79c2dbc239dd4e91b46729d73a27fb57e9

      SHA512

      31bca02094eb78126a517b206a88c73cfa9ec6f704c7030d18212cace820f025f00bf0ea68dbf3f3a5436ca63b53bf7bf80ad8d5de7d8359d0b7fed9dbc3ab99

    • C:\Users\Admin\AppData\Local\Temp\is-OBPO8.tmp\is-7Q6N8.tmp

      Filesize

      712KB

      MD5

      d8c44f59161e44c570cc553a6c31daf5

      SHA1

      ca28b3950c2742c8c651bc438fa86524e9fb47f4

      SHA256

      68fd47d30592128096c574b6281493b9b8e2ca3e412ab7545d0df50d246a3f3f

      SHA512

      6b4af10ad054df1f1d790002e56dfa8741c46e345b9705f321d92fa1246c75b7fa326f9f33d3fe6a6ccfe8d4c163b8e3dd847ac388e5d468e31ca4c683ddf390

    • C:\Users\Admin\AppData\Local\Temp\is-OBPO8.tmp\is-7Q6N8.tmp

      Filesize

      712KB

      MD5

      d8c44f59161e44c570cc553a6c31daf5

      SHA1

      ca28b3950c2742c8c651bc438fa86524e9fb47f4

      SHA256

      68fd47d30592128096c574b6281493b9b8e2ca3e412ab7545d0df50d246a3f3f

      SHA512

      6b4af10ad054df1f1d790002e56dfa8741c46e345b9705f321d92fa1246c75b7fa326f9f33d3fe6a6ccfe8d4c163b8e3dd847ac388e5d468e31ca4c683ddf390

    • C:\Users\Admin\AppData\Roaming\{846ee340-7039-11de-9d20-806e6f6e6963}\NDDoNGKp.exe

      Filesize

      72KB

      MD5

      3fb36cb0b7172e5298d2992d42984d06

      SHA1

      439827777df4a337cbb9fa4a4640d0d3fa1738b7

      SHA256

      27ae813ceff8aa56e9fa68c8e50bb1c6c4a01636015eac4bd8bf444afb7020d6

      SHA512

      6b39cb32d77200209a25080ac92bc71b1f468e2946b651023793f3585ee6034adc70924dbd751cf4a51b5e71377854f1ab43c2dd287d4837e7b544ff886f470c

    • \Program Files (x86)\RerSpacer710\RerSpacer710.exe

      Filesize

      1.1MB

      MD5

      eccdea4e49c6e44331deef585ef8de01

      SHA1

      d6503393510cd4215cf3ae1051bc48c7e03bc8a0

      SHA256

      0343e8a9e28a0ea60d91f548f3700b85d2929f623f0be8b53618061109144822

      SHA512

      f82b0d8264d7d05f60c5b8e79d7dd6c9b5e83f820c95a8ef6aec3a9045618cd4dc2fcfb222bdf318c5f9b127984c7d0e112f7328079878c795df3d244bd2c5ee

    • \Users\Admin\AppData\Local\Temp\is-OBPO8.tmp\is-7Q6N8.tmp

      Filesize

      712KB

      MD5

      d8c44f59161e44c570cc553a6c31daf5

      SHA1

      ca28b3950c2742c8c651bc438fa86524e9fb47f4

      SHA256

      68fd47d30592128096c574b6281493b9b8e2ca3e412ab7545d0df50d246a3f3f

      SHA512

      6b4af10ad054df1f1d790002e56dfa8741c46e345b9705f321d92fa1246c75b7fa326f9f33d3fe6a6ccfe8d4c163b8e3dd847ac388e5d468e31ca4c683ddf390

    • \Users\Admin\AppData\Local\Temp\is-PMC8L.tmp\_isetup\_iscrypt.dll

      Filesize

      2KB

      MD5

      a69559718ab506675e907fe49deb71e9

      SHA1

      bc8f404ffdb1960b50c12ff9413c893b56f2e36f

      SHA256

      2f6294f9aa09f59a574b5dcd33be54e16b39377984f3d5658cda44950fa0f8fc

      SHA512

      e52e0aa7fe3f79e36330c455d944653d449ba05b2f9abee0914a0910c3452cfa679a40441f9ac696b3ccf9445cbb85095747e86153402fc362bb30ac08249a63

    • \Users\Admin\AppData\Local\Temp\is-PMC8L.tmp\_isetup\_shfoldr.dll

      Filesize

      22KB

      MD5

      92dc6ef532fbb4a5c3201469a5b5eb63

      SHA1

      3e89ff837147c16b4e41c30d6c796374e0b8e62c

      SHA256

      9884e9d1b4f8a873ccbd81f8ad0ae257776d2348d027d811a56475e028360d87

      SHA512

      9908e573921d5dbc3454a1c0a6c969ab8a81cc2e8b5385391d46b1a738fb06a76aa3282e0e58d0d2ffa6f27c85668cd5178e1500b8a39b1bbae04366ae6a86d3

    • \Users\Admin\AppData\Local\Temp\is-PMC8L.tmp\_isetup\_shfoldr.dll

      Filesize

      22KB

      MD5

      92dc6ef532fbb4a5c3201469a5b5eb63

      SHA1

      3e89ff837147c16b4e41c30d6c796374e0b8e62c

      SHA256

      9884e9d1b4f8a873ccbd81f8ad0ae257776d2348d027d811a56475e028360d87

      SHA512

      9908e573921d5dbc3454a1c0a6c969ab8a81cc2e8b5385391d46b1a738fb06a76aa3282e0e58d0d2ffa6f27c85668cd5178e1500b8a39b1bbae04366ae6a86d3

    • \Users\Admin\AppData\Roaming\{846ee340-7039-11de-9d20-806e6f6e6963}\NDDoNGKp.exe

      Filesize

      72KB

      MD5

      3fb36cb0b7172e5298d2992d42984d06

      SHA1

      439827777df4a337cbb9fa4a4640d0d3fa1738b7

      SHA256

      27ae813ceff8aa56e9fa68c8e50bb1c6c4a01636015eac4bd8bf444afb7020d6

      SHA512

      6b39cb32d77200209a25080ac92bc71b1f468e2946b651023793f3585ee6034adc70924dbd751cf4a51b5e71377854f1ab43c2dd287d4837e7b544ff886f470c

    • memory/2144-54-0x0000000000400000-0x0000000000423000-memory.dmp

      Filesize

      140KB

    • memory/2144-250-0x0000000000400000-0x0000000000423000-memory.dmp

      Filesize

      140KB

    • memory/2144-294-0x0000000000400000-0x0000000000423000-memory.dmp

      Filesize

      140KB

    • memory/2468-249-0x0000000000400000-0x0000000001315000-memory.dmp

      Filesize

      15.1MB

    • memory/2468-252-0x0000000000400000-0x0000000001315000-memory.dmp

      Filesize

      15.1MB

    • memory/2468-292-0x0000000000400000-0x0000000001315000-memory.dmp

      Filesize

      15.1MB

    • memory/2468-254-0x0000000000400000-0x0000000001315000-memory.dmp

      Filesize

      15.1MB

    • memory/2468-262-0x0000000000400000-0x0000000001315000-memory.dmp

      Filesize

      15.1MB

    • memory/2468-266-0x0000000010000000-0x000000001001B000-memory.dmp

      Filesize

      108KB

    • memory/2468-272-0x0000000000400000-0x0000000001315000-memory.dmp

      Filesize

      15.1MB

    • memory/2972-72-0x0000000000240000-0x0000000000241000-memory.dmp

      Filesize

      4KB

    • memory/2972-253-0x0000000003980000-0x0000000004895000-memory.dmp

      Filesize

      15.1MB

    • memory/2972-293-0x0000000000400000-0x00000000004C1000-memory.dmp

      Filesize

      772KB

    • memory/2972-251-0x0000000000400000-0x00000000004C1000-memory.dmp

      Filesize

      772KB

    • memory/2972-248-0x0000000003980000-0x0000000004895000-memory.dmp

      Filesize

      15.1MB