Analysis

  • max time kernel
    77s
  • max time network
    79s
  • platform
    windows7_x64
  • resource
    win7-20220812-en
  • resource tags

    arch:x64arch:x86image:win7-20220812-enlocale:en-usos:windows7-x64system
  • submitted
    12-02-2023 01:12

General

  • Target

    7d8069cdf3e75360c4ee42f372fc15f7acac40abf68f97f6641e9fd33d5fc979.exe

  • Size

    2.4MB

  • MD5

    3dbfe126edb648cb52a7f18c3330ffe9

  • SHA1

    f2ad976f10add9db61546739599fe811a1126529

  • SHA256

    7d8069cdf3e75360c4ee42f372fc15f7acac40abf68f97f6641e9fd33d5fc979

  • SHA512

    f764a23e45413c43d48194d95de23f8eab14175b70d3da4946dd547b9fdd5d79fa0de961e0a418c193797619c28cca92b314154b0d7ba35620ee4cfbebeb12f0

  • SSDEEP

    49152:rdH3v4CXCWAk7zImkJoaPg23s8q8HcA8iN33hLSwYMMyjvIGYLwHjAFnUxLCgv2Y:JHRXCMnIr2aPPs+HcA8iN331lwMlHEFM

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\7d8069cdf3e75360c4ee42f372fc15f7acac40abf68f97f6641e9fd33d5fc979.exe
    "C:\Users\Admin\AppData\Local\Temp\7d8069cdf3e75360c4ee42f372fc15f7acac40abf68f97f6641e9fd33d5fc979.exe"
    1⤵
    • Loads dropped DLL
    • Suspicious use of WriteProcessMemory
    PID:1728
    • C:\Users\Admin\AppData\Local\Temp\is-N4ACK.tmp\7d8069cdf3e75360c4ee42f372fc15f7acac40abf68f97f6641e9fd33d5fc979.tmp
      "C:\Users\Admin\AppData\Local\Temp\is-N4ACK.tmp\7d8069cdf3e75360c4ee42f372fc15f7acac40abf68f97f6641e9fd33d5fc979.tmp" /SL5="$90124,2241337,387072,C:\Users\Admin\AppData\Local\Temp\7d8069cdf3e75360c4ee42f372fc15f7acac40abf68f97f6641e9fd33d5fc979.exe"
      2⤵
      • Executes dropped EXE
      • Loads dropped DLL
      • Drops file in Program Files directory
      • Suspicious use of WriteProcessMemory
      PID:1936
      • 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:1088
        • C:\Users\Admin\AppData\Roaming\{846ee340-7039-11de-9d20-806e6f6e6963}\OuW0B6m.exe
          4⤵
          • Executes dropped EXE
          PID:1972
        • 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:1780
          • C:\Windows\SysWOW64\taskkill.exe
            taskkill /im "FRec210.exe" /f
            5⤵
            • Kills process with taskkill
            • Suspicious use of AdjustPrivilegeToken
            PID:2012

Network

MITRE ATT&CK Enterprise v6

Replay Monitor

Loading Replay Monitor...

Downloads

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

    Filesize

    2.0MB

    MD5

    9443a2032c237be9154e0c72845c289b

    SHA1

    b0c8a56b550045bb79442defeddeb29f19e29e91

    SHA256

    6e52bd3df835a2db516c3ebdd908b90e4a9169e92d0e6c301a9c080e897ef55d

    SHA512

    c9f23bc7dbcddc67bfa4455b03f48ef2ac145bc3997249cd7cea62339de4af2cdda9597903f15d1ba9e490350825b30cf722d81ae701bea7655f423b0022cdfd

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

    Filesize

    2.0MB

    MD5

    9443a2032c237be9154e0c72845c289b

    SHA1

    b0c8a56b550045bb79442defeddeb29f19e29e91

    SHA256

    6e52bd3df835a2db516c3ebdd908b90e4a9169e92d0e6c301a9c080e897ef55d

    SHA512

    c9f23bc7dbcddc67bfa4455b03f48ef2ac145bc3997249cd7cea62339de4af2cdda9597903f15d1ba9e490350825b30cf722d81ae701bea7655f423b0022cdfd

  • C:\Users\Admin\AppData\Local\Temp\is-N4ACK.tmp\7d8069cdf3e75360c4ee42f372fc15f7acac40abf68f97f6641e9fd33d5fc979.tmp

    Filesize

    696KB

    MD5

    d76329b30db65f61d55b20f36b56da26

    SHA1

    5e4c77b723ae8f05b3ae6afeee735a4355f00663

    SHA256

    229fbcb11ee7d1f082b6411610e95f726eec4e6737e6b6392719df4f0fe3fa1d

    SHA512

    a291aed0897315e88b6378b1db10ada05bda8c1eccaf73de23f409fe61860ebd1dbb422063e00996584d3b4b100122931d5bbab54a88951706d75efcc660f70d

  • C:\Users\Admin\AppData\Local\Temp\is-N4ACK.tmp\7d8069cdf3e75360c4ee42f372fc15f7acac40abf68f97f6641e9fd33d5fc979.tmp

    Filesize

    696KB

    MD5

    d76329b30db65f61d55b20f36b56da26

    SHA1

    5e4c77b723ae8f05b3ae6afeee735a4355f00663

    SHA256

    229fbcb11ee7d1f082b6411610e95f726eec4e6737e6b6392719df4f0fe3fa1d

    SHA512

    a291aed0897315e88b6378b1db10ada05bda8c1eccaf73de23f409fe61860ebd1dbb422063e00996584d3b4b100122931d5bbab54a88951706d75efcc660f70d

  • C:\Users\Admin\AppData\Roaming\{846ee340-7039-11de-9d20-806e6f6e6963}\OuW0B6m.exe

    Filesize

    72KB

    MD5

    3fb36cb0b7172e5298d2992d42984d06

    SHA1

    439827777df4a337cbb9fa4a4640d0d3fa1738b7

    SHA256

    27ae813ceff8aa56e9fa68c8e50bb1c6c4a01636015eac4bd8bf444afb7020d6

    SHA512

    6b39cb32d77200209a25080ac92bc71b1f468e2946b651023793f3585ee6034adc70924dbd751cf4a51b5e71377854f1ab43c2dd287d4837e7b544ff886f470c

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

    Filesize

    2.0MB

    MD5

    9443a2032c237be9154e0c72845c289b

    SHA1

    b0c8a56b550045bb79442defeddeb29f19e29e91

    SHA256

    6e52bd3df835a2db516c3ebdd908b90e4a9169e92d0e6c301a9c080e897ef55d

    SHA512

    c9f23bc7dbcddc67bfa4455b03f48ef2ac145bc3997249cd7cea62339de4af2cdda9597903f15d1ba9e490350825b30cf722d81ae701bea7655f423b0022cdfd

  • \Users\Admin\AppData\Local\Temp\is-E0CQF.tmp\_isetup\_iscrypt.dll

    Filesize

    2KB

    MD5

    a69559718ab506675e907fe49deb71e9

    SHA1

    bc8f404ffdb1960b50c12ff9413c893b56f2e36f

    SHA256

    2f6294f9aa09f59a574b5dcd33be54e16b39377984f3d5658cda44950fa0f8fc

    SHA512

    e52e0aa7fe3f79e36330c455d944653d449ba05b2f9abee0914a0910c3452cfa679a40441f9ac696b3ccf9445cbb85095747e86153402fc362bb30ac08249a63

  • \Users\Admin\AppData\Local\Temp\is-E0CQF.tmp\_isetup\_isdecmp.dll

    Filesize

    13KB

    MD5

    a813d18268affd4763dde940246dc7e5

    SHA1

    c7366e1fd925c17cc6068001bd38eaef5b42852f

    SHA256

    e19781aabe466dd8779cb9c8fa41bbb73375447066bb34e876cf388a6ed63c64

    SHA512

    b310ed4cd2e94381c00a6a370fcb7cc867ebe425d705b69caaaaffdafbab91f72d357966916053e72e68ecf712f2af7585500c58bb53ec3e1d539179fcb45fb4

  • \Users\Admin\AppData\Local\Temp\is-E0CQF.tmp\_isetup\_shfoldr.dll

    Filesize

    22KB

    MD5

    92dc6ef532fbb4a5c3201469a5b5eb63

    SHA1

    3e89ff837147c16b4e41c30d6c796374e0b8e62c

    SHA256

    9884e9d1b4f8a873ccbd81f8ad0ae257776d2348d027d811a56475e028360d87

    SHA512

    9908e573921d5dbc3454a1c0a6c969ab8a81cc2e8b5385391d46b1a738fb06a76aa3282e0e58d0d2ffa6f27c85668cd5178e1500b8a39b1bbae04366ae6a86d3

  • \Users\Admin\AppData\Local\Temp\is-E0CQF.tmp\_isetup\_shfoldr.dll

    Filesize

    22KB

    MD5

    92dc6ef532fbb4a5c3201469a5b5eb63

    SHA1

    3e89ff837147c16b4e41c30d6c796374e0b8e62c

    SHA256

    9884e9d1b4f8a873ccbd81f8ad0ae257776d2348d027d811a56475e028360d87

    SHA512

    9908e573921d5dbc3454a1c0a6c969ab8a81cc2e8b5385391d46b1a738fb06a76aa3282e0e58d0d2ffa6f27c85668cd5178e1500b8a39b1bbae04366ae6a86d3

  • \Users\Admin\AppData\Local\Temp\is-N4ACK.tmp\7d8069cdf3e75360c4ee42f372fc15f7acac40abf68f97f6641e9fd33d5fc979.tmp

    Filesize

    696KB

    MD5

    d76329b30db65f61d55b20f36b56da26

    SHA1

    5e4c77b723ae8f05b3ae6afeee735a4355f00663

    SHA256

    229fbcb11ee7d1f082b6411610e95f726eec4e6737e6b6392719df4f0fe3fa1d

    SHA512

    a291aed0897315e88b6378b1db10ada05bda8c1eccaf73de23f409fe61860ebd1dbb422063e00996584d3b4b100122931d5bbab54a88951706d75efcc660f70d

  • \Users\Admin\AppData\Roaming\{846ee340-7039-11de-9d20-806e6f6e6963}\OuW0B6m.exe

    Filesize

    72KB

    MD5

    3fb36cb0b7172e5298d2992d42984d06

    SHA1

    439827777df4a337cbb9fa4a4640d0d3fa1738b7

    SHA256

    27ae813ceff8aa56e9fa68c8e50bb1c6c4a01636015eac4bd8bf444afb7020d6

    SHA512

    6b39cb32d77200209a25080ac92bc71b1f468e2946b651023793f3585ee6034adc70924dbd751cf4a51b5e71377854f1ab43c2dd287d4837e7b544ff886f470c

  • memory/1088-68-0x0000000000000000-mapping.dmp

  • memory/1088-72-0x0000000000400000-0x0000000001409000-memory.dmp

    Filesize

    16.0MB

  • memory/1088-73-0x0000000000400000-0x0000000001409000-memory.dmp

    Filesize

    16.0MB

  • memory/1088-74-0x0000000000400000-0x0000000001409000-memory.dmp

    Filesize

    16.0MB

  • memory/1088-85-0x0000000000400000-0x0000000001409000-memory.dmp

    Filesize

    16.0MB

  • memory/1088-79-0x0000000000400000-0x0000000001409000-memory.dmp

    Filesize

    16.0MB

  • memory/1088-80-0x0000000010000000-0x000000001001B000-memory.dmp

    Filesize

    108KB

  • memory/1728-67-0x0000000000400000-0x0000000000465000-memory.dmp

    Filesize

    404KB

  • memory/1728-54-0x0000000075DA1000-0x0000000075DA3000-memory.dmp

    Filesize

    8KB

  • memory/1728-86-0x0000000000400000-0x0000000000465000-memory.dmp

    Filesize

    404KB

  • memory/1728-55-0x0000000000400000-0x0000000000465000-memory.dmp

    Filesize

    404KB

  • memory/1780-83-0x0000000000000000-mapping.dmp

  • memory/1936-71-0x0000000002E40000-0x0000000003E49000-memory.dmp

    Filesize

    16.0MB

  • memory/1936-78-0x0000000002E40000-0x0000000003E49000-memory.dmp

    Filesize

    16.0MB

  • memory/1936-58-0x0000000000000000-mapping.dmp

  • memory/1972-76-0x0000000000000000-mapping.dmp

  • memory/2012-84-0x0000000000000000-mapping.dmp