Analysis

  • max time kernel
    111s
  • max time network
    188s
  • platform
    windows7_x64
  • resource
    win7-20221111-en
  • resource tags

    arch:x64arch:x86image:win7-20221111-enlocale:en-usos:windows7-x64system
  • submitted
    10/02/2023, 19:47

General

  • Target

    file.exe

  • Size

    2.4MB

  • MD5

    72ffa27ba78ef6d71d4a9c43a18c36a9

  • SHA1

    369865fb28250b89d50f496547fe271ba6336801

  • SHA256

    4ff57c06c7ce69555aab48c0ff09bcbee9f96a82c639bb92205f82f95f4d2474

  • SHA512

    4802f2145f260ce8323ddfef3bf159d6482eebb9c399b406c44a5df232d5f362d149e89f7f0e6e7f410ac6c17cef7ddc0f610e55333686f94c7d3c5c47941864

  • SSDEEP

    49152:rdHCOs1CAU1DEBhXcGrG7zfxecscSdsJKkUnCLCgv2MR:JHCnjU14BNG7NycMsokEqv2MR

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 7 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 9 IoCs
  • Enumerates physical storage devices 1 TTPs

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

  • Kills process with taskkill 1 IoCs
  • Suspicious behavior: EnumeratesProcesses 3 IoCs
  • Suspicious use of AdjustPrivilegeToken 1 IoCs
  • Suspicious use of WriteProcessMemory 23 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:668
    • C:\Users\Admin\AppData\Local\Temp\is-F5RRQ.tmp\file.tmp
      "C:\Users\Admin\AppData\Local\Temp\is-F5RRQ.tmp\file.tmp" /SL5="$70122,2226789,387072,C:\Users\Admin\AppData\Local\Temp\file.exe"
      2⤵
      • Executes dropped EXE
      • Loads dropped DLL
      • Drops file in Program Files directory
      • Suspicious use of WriteProcessMemory
      PID:1080
      • C:\Program Files (x86)\FHPsoftFR\FRec210\FRec210.exe
        "C:\Program Files (x86)\FHPsoftFR\FRec210\FRec210.exe"
        3⤵
        • Executes dropped EXE
        • Loads dropped DLL
        • Suspicious behavior: EnumeratesProcesses
        • Suspicious use of WriteProcessMemory
        PID:1004
        • C:\Users\Admin\AppData\Roaming\{846ee340-7039-11de-9d20-806e6f6e6963}\mqfQCmjv5VA0.exe
          4⤵
          • Executes dropped EXE
          PID:908
        • C:\Windows\SysWOW64\cmd.exe
          "C:\Windows\System32\cmd.exe" /c taskkill /im "FRec210.exe" /f & erase "C:\Program Files (x86)\FHPsoftFR\FRec210\FRec210.exe" & exit
          4⤵
          • Suspicious use of WriteProcessMemory
          PID:844
          • C:\Windows\SysWOW64\taskkill.exe
            taskkill /im "FRec210.exe" /f
            5⤵
            • Kills process with taskkill
            • Suspicious use of AdjustPrivilegeToken
            PID:1968

Network

        MITRE ATT&CK Enterprise v6

        Replay Monitor

        Loading Replay Monitor...

        Downloads

        • C:\Program Files (x86)\FHPsoftFR\FRec210\FRec210.exe

          Filesize

          2.0MB

          MD5

          c2634eb77934477ab29c7ca9af0455e1

          SHA1

          46a15e0b7e91683e528064c48d4622d2939467ed

          SHA256

          4fca7cd29c1a1ac5826efe80df3e8bdad013f153dec324c1a8ce71018385b7c7

          SHA512

          474bc55cf0c6fbe83a8fc4e059f037ffa97743a97f4c79ff6b52dbf7386e23857161ca8c588e41587f103ca8c879688fad20fcfb493b7c57b5dde259bba30aec

        • C:\Program Files (x86)\FHPsoftFR\FRec210\FRec210.exe

          Filesize

          2.0MB

          MD5

          c2634eb77934477ab29c7ca9af0455e1

          SHA1

          46a15e0b7e91683e528064c48d4622d2939467ed

          SHA256

          4fca7cd29c1a1ac5826efe80df3e8bdad013f153dec324c1a8ce71018385b7c7

          SHA512

          474bc55cf0c6fbe83a8fc4e059f037ffa97743a97f4c79ff6b52dbf7386e23857161ca8c588e41587f103ca8c879688fad20fcfb493b7c57b5dde259bba30aec

        • C:\Users\Admin\AppData\Local\Temp\is-F5RRQ.tmp\file.tmp

          Filesize

          696KB

          MD5

          d76329b30db65f61d55b20f36b56da26

          SHA1

          5e4c77b723ae8f05b3ae6afeee735a4355f00663

          SHA256

          229fbcb11ee7d1f082b6411610e95f726eec4e6737e6b6392719df4f0fe3fa1d

          SHA512

          a291aed0897315e88b6378b1db10ada05bda8c1eccaf73de23f409fe61860ebd1dbb422063e00996584d3b4b100122931d5bbab54a88951706d75efcc660f70d

        • C:\Users\Admin\AppData\Local\Temp\is-F5RRQ.tmp\file.tmp

          Filesize

          696KB

          MD5

          d76329b30db65f61d55b20f36b56da26

          SHA1

          5e4c77b723ae8f05b3ae6afeee735a4355f00663

          SHA256

          229fbcb11ee7d1f082b6411610e95f726eec4e6737e6b6392719df4f0fe3fa1d

          SHA512

          a291aed0897315e88b6378b1db10ada05bda8c1eccaf73de23f409fe61860ebd1dbb422063e00996584d3b4b100122931d5bbab54a88951706d75efcc660f70d

        • C:\Users\Admin\AppData\Roaming\{846ee340-7039-11de-9d20-806e6f6e6963}\mqfQCmjv5VA0.exe

          Filesize

          72KB

          MD5

          3fb36cb0b7172e5298d2992d42984d06

          SHA1

          439827777df4a337cbb9fa4a4640d0d3fa1738b7

          SHA256

          27ae813ceff8aa56e9fa68c8e50bb1c6c4a01636015eac4bd8bf444afb7020d6

          SHA512

          6b39cb32d77200209a25080ac92bc71b1f468e2946b651023793f3585ee6034adc70924dbd751cf4a51b5e71377854f1ab43c2dd287d4837e7b544ff886f470c

        • \Program Files (x86)\FHPsoftFR\FRec210\FRec210.exe

          Filesize

          2.0MB

          MD5

          c2634eb77934477ab29c7ca9af0455e1

          SHA1

          46a15e0b7e91683e528064c48d4622d2939467ed

          SHA256

          4fca7cd29c1a1ac5826efe80df3e8bdad013f153dec324c1a8ce71018385b7c7

          SHA512

          474bc55cf0c6fbe83a8fc4e059f037ffa97743a97f4c79ff6b52dbf7386e23857161ca8c588e41587f103ca8c879688fad20fcfb493b7c57b5dde259bba30aec

        • \Users\Admin\AppData\Local\Temp\is-5NG1G.tmp\_isetup\_iscrypt.dll

          Filesize

          2KB

          MD5

          a69559718ab506675e907fe49deb71e9

          SHA1

          bc8f404ffdb1960b50c12ff9413c893b56f2e36f

          SHA256

          2f6294f9aa09f59a574b5dcd33be54e16b39377984f3d5658cda44950fa0f8fc

          SHA512

          e52e0aa7fe3f79e36330c455d944653d449ba05b2f9abee0914a0910c3452cfa679a40441f9ac696b3ccf9445cbb85095747e86153402fc362bb30ac08249a63

        • \Users\Admin\AppData\Local\Temp\is-5NG1G.tmp\_isetup\_isdecmp.dll

          Filesize

          13KB

          MD5

          a813d18268affd4763dde940246dc7e5

          SHA1

          c7366e1fd925c17cc6068001bd38eaef5b42852f

          SHA256

          e19781aabe466dd8779cb9c8fa41bbb73375447066bb34e876cf388a6ed63c64

          SHA512

          b310ed4cd2e94381c00a6a370fcb7cc867ebe425d705b69caaaaffdafbab91f72d357966916053e72e68ecf712f2af7585500c58bb53ec3e1d539179fcb45fb4

        • \Users\Admin\AppData\Local\Temp\is-5NG1G.tmp\_isetup\_shfoldr.dll

          Filesize

          22KB

          MD5

          92dc6ef532fbb4a5c3201469a5b5eb63

          SHA1

          3e89ff837147c16b4e41c30d6c796374e0b8e62c

          SHA256

          9884e9d1b4f8a873ccbd81f8ad0ae257776d2348d027d811a56475e028360d87

          SHA512

          9908e573921d5dbc3454a1c0a6c969ab8a81cc2e8b5385391d46b1a738fb06a76aa3282e0e58d0d2ffa6f27c85668cd5178e1500b8a39b1bbae04366ae6a86d3

        • \Users\Admin\AppData\Local\Temp\is-5NG1G.tmp\_isetup\_shfoldr.dll

          Filesize

          22KB

          MD5

          92dc6ef532fbb4a5c3201469a5b5eb63

          SHA1

          3e89ff837147c16b4e41c30d6c796374e0b8e62c

          SHA256

          9884e9d1b4f8a873ccbd81f8ad0ae257776d2348d027d811a56475e028360d87

          SHA512

          9908e573921d5dbc3454a1c0a6c969ab8a81cc2e8b5385391d46b1a738fb06a76aa3282e0e58d0d2ffa6f27c85668cd5178e1500b8a39b1bbae04366ae6a86d3

        • \Users\Admin\AppData\Local\Temp\is-F5RRQ.tmp\file.tmp

          Filesize

          696KB

          MD5

          d76329b30db65f61d55b20f36b56da26

          SHA1

          5e4c77b723ae8f05b3ae6afeee735a4355f00663

          SHA256

          229fbcb11ee7d1f082b6411610e95f726eec4e6737e6b6392719df4f0fe3fa1d

          SHA512

          a291aed0897315e88b6378b1db10ada05bda8c1eccaf73de23f409fe61860ebd1dbb422063e00996584d3b4b100122931d5bbab54a88951706d75efcc660f70d

        • \Users\Admin\AppData\Roaming\{846ee340-7039-11de-9d20-806e6f6e6963}\mqfQCmjv5VA0.exe

          Filesize

          72KB

          MD5

          3fb36cb0b7172e5298d2992d42984d06

          SHA1

          439827777df4a337cbb9fa4a4640d0d3fa1738b7

          SHA256

          27ae813ceff8aa56e9fa68c8e50bb1c6c4a01636015eac4bd8bf444afb7020d6

          SHA512

          6b39cb32d77200209a25080ac92bc71b1f468e2946b651023793f3585ee6034adc70924dbd751cf4a51b5e71377854f1ab43c2dd287d4837e7b544ff886f470c

        • memory/668-75-0x0000000000400000-0x0000000000465000-memory.dmp

          Filesize

          404KB

        • memory/668-86-0x0000000000400000-0x0000000000465000-memory.dmp

          Filesize

          404KB

        • memory/668-57-0x0000000000400000-0x0000000000465000-memory.dmp

          Filesize

          404KB

        • memory/668-55-0x0000000000400000-0x0000000000465000-memory.dmp

          Filesize

          404KB

        • memory/668-54-0x0000000075A31000-0x0000000075A33000-memory.dmp

          Filesize

          8KB

        • memory/1004-74-0x0000000000400000-0x0000000001409000-memory.dmp

          Filesize

          16.0MB

        • memory/1004-73-0x0000000000400000-0x0000000001409000-memory.dmp

          Filesize

          16.0MB

        • memory/1004-72-0x0000000000400000-0x0000000001409000-memory.dmp

          Filesize

          16.0MB

        • memory/1004-80-0x0000000000400000-0x0000000001409000-memory.dmp

          Filesize

          16.0MB

        • memory/1004-81-0x0000000010000000-0x000000001001B000-memory.dmp

          Filesize

          108KB

        • memory/1004-85-0x0000000000400000-0x0000000001409000-memory.dmp

          Filesize

          16.0MB

        • memory/1080-76-0x0000000002E30000-0x0000000003E39000-memory.dmp

          Filesize

          16.0MB

        • memory/1080-71-0x0000000002E30000-0x0000000003E39000-memory.dmp

          Filesize

          16.0MB