Analysis

  • max time kernel
    143s
  • max time network
    151s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20230621-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20230621-enlocale:en-usos:windows10-2004-x64system
  • submitted
    03-07-2023 01:06

General

  • Target

    06bf7d9d545c37c3ee36c0a67a4b6575edbfcb90b4257884e0ed56ee29ca9214.exe

  • Size

    1.2MB

  • MD5

    2584dfe26f8389b7821b701568d5a31b

  • SHA1

    f09cedd4f6ed7567cd0069981253bb68d8a0b721

  • SHA256

    06bf7d9d545c37c3ee36c0a67a4b6575edbfcb90b4257884e0ed56ee29ca9214

  • SHA512

    97efe0c9e4690b9e84efff60ac02d568cafe9eba3dbc71527d1e979c175774530fea64b76b6162c1f3c8711e6be9b63e96c8145262fd9805134e42cf6fcf445c

  • SSDEEP

    24576:OfOyAj5HnRRZ4wxXZy7270FJM334d0lPMd4VVKz1rARpJjBBp/D:OG3yw397AJmm0lPQYI2pvBp

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 1 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).

  • Runs net.exe
  • Suspicious behavior: EnumeratesProcesses 6 IoCs
  • Suspicious behavior: GetForegroundWindowSpam 1 IoCs
  • Suspicious use of WriteProcessMemory 15 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\06bf7d9d545c37c3ee36c0a67a4b6575edbfcb90b4257884e0ed56ee29ca9214.exe
    "C:\Users\Admin\AppData\Local\Temp\06bf7d9d545c37c3ee36c0a67a4b6575edbfcb90b4257884e0ed56ee29ca9214.exe"
    1⤵
    • Suspicious use of WriteProcessMemory
    PID:3988
    • C:\Users\Admin\AppData\Local\Temp\is-2PA8C.tmp\is-F7CS1.tmp
      "C:\Users\Admin\AppData\Local\Temp\is-2PA8C.tmp\is-F7CS1.tmp" /SL4 $D005C "C:\Users\Admin\AppData\Local\Temp\06bf7d9d545c37c3ee36c0a67a4b6575edbfcb90b4257884e0ed56ee29ca9214.exe" 995119 139776
      2⤵
      • Executes dropped EXE
      • Loads dropped DLL
      • Drops file in Program Files directory
      • Suspicious use of WriteProcessMemory
      PID:4576
      • C:\Windows\SysWOW64\net.exe
        "C:\Windows\system32\net.exe" helpmsg 1
        3⤵
        • Suspicious use of WriteProcessMemory
        PID:4144
        • C:\Windows\SysWOW64\net1.exe
          C:\Windows\system32\net1 helpmsg 1
          4⤵
            PID:2484
        • C:\Program Files (x86)\ReiSpacer71\ReiSpacer71.exe
          "C:\Program Files (x86)\ReiSpacer71\ReiSpacer71.exe"
          3⤵
          • Executes dropped EXE
          • Suspicious behavior: EnumeratesProcesses
          • Suspicious behavior: GetForegroundWindowSpam
          • Suspicious use of WriteProcessMemory
          PID:4408
          • C:\Users\Admin\AppData\Roaming\{ed488140-103f-11ee-8842-806e6f6e6963}\g7gKwtiuJQ.exe
            4⤵
            • Executes dropped EXE
            PID:1036

    Network

    MITRE ATT&CK Enterprise v6

    Replay Monitor

    Loading Replay Monitor...

    Downloads

    • C:\Program Files (x86)\ReiSpacer71\ReiSpacer71.exe

      Filesize

      1.1MB

      MD5

      aa50e306908814b5156ef9a7a1a4383f

      SHA1

      6e5367822fadda3aaa95f294f76de92b51014171

      SHA256

      d79dbf73cd7a06474f53d4b1013f4682db1d7d6cbc1fe3234ad81f90dd52eaac

      SHA512

      a7fe414cbba2440e66b3bc39040d133cb67efb1794d9cd212db59b038ba6d9a3ee323f49e202b9be5cb262d71a4e462ede1c5783216cb19c74def21e9cd0239a

    • C:\Program Files (x86)\ReiSpacer71\ReiSpacer71.exe

      Filesize

      1.1MB

      MD5

      aa50e306908814b5156ef9a7a1a4383f

      SHA1

      6e5367822fadda3aaa95f294f76de92b51014171

      SHA256

      d79dbf73cd7a06474f53d4b1013f4682db1d7d6cbc1fe3234ad81f90dd52eaac

      SHA512

      a7fe414cbba2440e66b3bc39040d133cb67efb1794d9cd212db59b038ba6d9a3ee323f49e202b9be5cb262d71a4e462ede1c5783216cb19c74def21e9cd0239a

    • C:\Program Files (x86)\ReiSpacer71\readme.txt

      Filesize

      4KB

      MD5

      ce494d2d223aed950fea67f657d3fa3e

      SHA1

      97a19c02487c41e3a079cd6764afffeb5e838b26

      SHA256

      c8fa111c5b9537e3b6cab9ba763e164e27fa469f2232b82a54b206a7d892b9e9

      SHA512

      687bf3bd7de28dc45ea622672dc59d7e45d9ce83530a7db6462447ea247a9bde061738c454e09b48531aab9cce802c8491aa730e4da65e63daf31c65ffc39fe1

    • C:\Users\Admin\AppData\Local\Temp\is-2PA8C.tmp\is-F7CS1.tmp

      Filesize

      729KB

      MD5

      68bf4df1230cb1bc58336ef6350c5a74

      SHA1

      b551c8c301b63db439a6316af0d7d577434043ba

      SHA256

      410221a48dc0d2cc667c8d68ee819039be2ac515abc5f1beea0da1d68ec742ff

      SHA512

      52e9d08592d5c26b68644d1694ed2295f6edfb47c5db599b4b88d148668fda590c7ca7c779f97f417aa07c3019b9ab5d901a52838ce67cc95f873c092a451b10

    • C:\Users\Admin\AppData\Local\Temp\is-2PA8C.tmp\is-F7CS1.tmp

      Filesize

      729KB

      MD5

      68bf4df1230cb1bc58336ef6350c5a74

      SHA1

      b551c8c301b63db439a6316af0d7d577434043ba

      SHA256

      410221a48dc0d2cc667c8d68ee819039be2ac515abc5f1beea0da1d68ec742ff

      SHA512

      52e9d08592d5c26b68644d1694ed2295f6edfb47c5db599b4b88d148668fda590c7ca7c779f97f417aa07c3019b9ab5d901a52838ce67cc95f873c092a451b10

    • C:\Users\Admin\AppData\Local\Temp\is-RB6UI.tmp\_isetup\_iscrypt.dll

      Filesize

      2KB

      MD5

      a69559718ab506675e907fe49deb71e9

      SHA1

      bc8f404ffdb1960b50c12ff9413c893b56f2e36f

      SHA256

      2f6294f9aa09f59a574b5dcd33be54e16b39377984f3d5658cda44950fa0f8fc

      SHA512

      e52e0aa7fe3f79e36330c455d944653d449ba05b2f9abee0914a0910c3452cfa679a40441f9ac696b3ccf9445cbb85095747e86153402fc362bb30ac08249a63

    • C:\Users\Admin\AppData\Roaming\{ed488140-103f-11ee-8842-806e6f6e6963}\g7gKwtiuJQ.exe

      Filesize

      72KB

      MD5

      3fb36cb0b7172e5298d2992d42984d06

      SHA1

      439827777df4a337cbb9fa4a4640d0d3fa1738b7

      SHA256

      27ae813ceff8aa56e9fa68c8e50bb1c6c4a01636015eac4bd8bf444afb7020d6

      SHA512

      6b39cb32d77200209a25080ac92bc71b1f468e2946b651023793f3585ee6034adc70924dbd751cf4a51b5e71377854f1ab43c2dd287d4837e7b544ff886f470c

    • C:\Users\Admin\AppData\Roaming\{ed488140-103f-11ee-8842-806e6f6e6963}\g7gKwtiuJQ.exe

      Filesize

      72KB

      MD5

      3fb36cb0b7172e5298d2992d42984d06

      SHA1

      439827777df4a337cbb9fa4a4640d0d3fa1738b7

      SHA256

      27ae813ceff8aa56e9fa68c8e50bb1c6c4a01636015eac4bd8bf444afb7020d6

      SHA512

      6b39cb32d77200209a25080ac92bc71b1f468e2946b651023793f3585ee6034adc70924dbd751cf4a51b5e71377854f1ab43c2dd287d4837e7b544ff886f470c

    • memory/3988-133-0x0000000000400000-0x0000000000428000-memory.dmp

      Filesize

      160KB

    • memory/3988-328-0x0000000000400000-0x0000000000428000-memory.dmp

      Filesize

      160KB

    • memory/4408-323-0x0000000000400000-0x0000000001312000-memory.dmp

      Filesize

      15.1MB

    • memory/4408-330-0x0000000000400000-0x0000000001312000-memory.dmp

      Filesize

      15.1MB

    • memory/4576-154-0x0000000002240000-0x0000000002241000-memory.dmp

      Filesize

      4KB

    • memory/4576-329-0x0000000000400000-0x00000000004C6000-memory.dmp

      Filesize

      792KB