Analysis

  • max time kernel
    147s
  • max time network
    151s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20230220-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20230220-enlocale:en-usos:windows10-2004-x64system
  • submitted
    15-03-2023 11:58

General

  • Target

    cd42893a21a7289a4920f6e8a3c743a6d3e44c0d9c85ba18a60a023d0f4610eb.exe

  • Size

    1.9MB

  • MD5

    54d98408fe5c26d407a7a154c21b32db

  • SHA1

    863830e6b8f1b1d07cab4b2f258b8d28ac6886dc

  • SHA256

    cd42893a21a7289a4920f6e8a3c743a6d3e44c0d9c85ba18a60a023d0f4610eb

  • SHA512

    7fa48849d5832390b7f839a6cf187613f85ef4c0e921f246e3e4510bf6a4c730ad828998e468f48402c7c04d18079c49d535a7b056d8effa77f45cb2a5ae70dd

  • SSDEEP

    49152:L2TMSXVid+rfSavQDHGGl5I4hCI/m/WahOVLKk:CYSXwkrSaYDL5IAS/JhOVLKk

Malware Config

Extracted

Family

gcleaner

C2

45.139.105.171

85.31.46.167

107.182.129.235

171.22.30.106

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 17 IoCs
  • Suspicious behavior: EnumeratesProcesses 6 IoCs
  • Suspicious behavior: GetForegroundWindowSpam 1 IoCs
  • Suspicious use of WriteProcessMemory 9 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\cd42893a21a7289a4920f6e8a3c743a6d3e44c0d9c85ba18a60a023d0f4610eb.exe
    "C:\Users\Admin\AppData\Local\Temp\cd42893a21a7289a4920f6e8a3c743a6d3e44c0d9c85ba18a60a023d0f4610eb.exe"
    1⤵
    • Suspicious use of WriteProcessMemory
    PID:5044
    • C:\Users\Admin\AppData\Local\Temp\is-6UR3B.tmp\cd42893a21a7289a4920f6e8a3c743a6d3e44c0d9c85ba18a60a023d0f4610eb.tmp
      "C:\Users\Admin\AppData\Local\Temp\is-6UR3B.tmp\cd42893a21a7289a4920f6e8a3c743a6d3e44c0d9c85ba18a60a023d0f4610eb.tmp" /SL5="$A004C,1669701,162304,C:\Users\Admin\AppData\Local\Temp\cd42893a21a7289a4920f6e8a3c743a6d3e44c0d9c85ba18a60a023d0f4610eb.exe"
      2⤵
      • Executes dropped EXE
      • Loads dropped DLL
      • Drops file in Program Files directory
      • Suspicious use of WriteProcessMemory
      PID:4592
      • C:\Program Files (x86)\Split Files\HitFiles134.exe
        "C:\Program Files (x86)\Split Files\HitFiles134.exe"
        3⤵
        • Executes dropped EXE
        • Suspicious behavior: EnumeratesProcesses
        • Suspicious behavior: GetForegroundWindowSpam
        • Suspicious use of WriteProcessMemory
        PID:2608
        • C:\Users\Admin\AppData\Roaming\{5cebde14-b1a3-11ed-bd92-806e6f6e6963}\EIqPBA4P2.exe
          4⤵
          • Executes dropped EXE
          PID:1964

Network

MITRE ATT&CK Enterprise v6

Replay Monitor

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Downloads

  • C:\Program Files (x86)\Split Files\HitFiles134.exe

    Filesize

    3.2MB

    MD5

    77fb8c89afa156e6197a31528ebbff60

    SHA1

    b7009e1009d3322d6c8f7ee435724fe9eb25d419

    SHA256

    1a3124ceb647cec004f4811e1738079efb38c55aa6d4e4f1d6be29c2b74abec4

    SHA512

    e8a4c058b97a41c8509b0ae032e5eef2140a23362acfebad0e8488e302acaeb27ef153f0545eb5325757aec350a81e7193d917d59a7882660754959b4b20c710

  • C:\Program Files (x86)\Split Files\HitFiles134.exe

    Filesize

    3.2MB

    MD5

    77fb8c89afa156e6197a31528ebbff60

    SHA1

    b7009e1009d3322d6c8f7ee435724fe9eb25d419

    SHA256

    1a3124ceb647cec004f4811e1738079efb38c55aa6d4e4f1d6be29c2b74abec4

    SHA512

    e8a4c058b97a41c8509b0ae032e5eef2140a23362acfebad0e8488e302acaeb27ef153f0545eb5325757aec350a81e7193d917d59a7882660754959b4b20c710

  • C:\Users\Admin\AppData\Local\Temp\is-6UR3B.tmp\cd42893a21a7289a4920f6e8a3c743a6d3e44c0d9c85ba18a60a023d0f4610eb.tmp

    Filesize

    800KB

    MD5

    7013a53c5472267941844ed17de4de3c

    SHA1

    dda886aa81995da2abb763969bba86e82988db1a

    SHA256

    9897aed9da44b8a3c7d7cdeac2fdf2281bcd024846c77d45bc84b973abddc81e

    SHA512

    6b1e8845ffeda2a775370a89aaf7e7477cd6264df15da3cc7e412c282e0ccfb3719d6b08fc65190e61ec9674f5f527d939d9cd50ff9f29af37a049d04596060d

  • C:\Users\Admin\AppData\Local\Temp\is-6UR3B.tmp\cd42893a21a7289a4920f6e8a3c743a6d3e44c0d9c85ba18a60a023d0f4610eb.tmp

    Filesize

    800KB

    MD5

    7013a53c5472267941844ed17de4de3c

    SHA1

    dda886aa81995da2abb763969bba86e82988db1a

    SHA256

    9897aed9da44b8a3c7d7cdeac2fdf2281bcd024846c77d45bc84b973abddc81e

    SHA512

    6b1e8845ffeda2a775370a89aaf7e7477cd6264df15da3cc7e412c282e0ccfb3719d6b08fc65190e61ec9674f5f527d939d9cd50ff9f29af37a049d04596060d

  • C:\Users\Admin\AppData\Local\Temp\is-GOPE1.tmp\_isetup\_iscrypt.dll

    Filesize

    2KB

    MD5

    a69559718ab506675e907fe49deb71e9

    SHA1

    bc8f404ffdb1960b50c12ff9413c893b56f2e36f

    SHA256

    2f6294f9aa09f59a574b5dcd33be54e16b39377984f3d5658cda44950fa0f8fc

    SHA512

    e52e0aa7fe3f79e36330c455d944653d449ba05b2f9abee0914a0910c3452cfa679a40441f9ac696b3ccf9445cbb85095747e86153402fc362bb30ac08249a63

  • C:\Users\Admin\AppData\Roaming\{5cebde14-b1a3-11ed-bd92-806e6f6e6963}\EIqPBA4P2.exe

    Filesize

    72KB

    MD5

    3fb36cb0b7172e5298d2992d42984d06

    SHA1

    439827777df4a337cbb9fa4a4640d0d3fa1738b7

    SHA256

    27ae813ceff8aa56e9fa68c8e50bb1c6c4a01636015eac4bd8bf444afb7020d6

    SHA512

    6b39cb32d77200209a25080ac92bc71b1f468e2946b651023793f3585ee6034adc70924dbd751cf4a51b5e71377854f1ab43c2dd287d4837e7b544ff886f470c

  • C:\Users\Admin\AppData\Roaming\{5cebde14-b1a3-11ed-bd92-806e6f6e6963}\EIqPBA4P2.exe

    Filesize

    72KB

    MD5

    3fb36cb0b7172e5298d2992d42984d06

    SHA1

    439827777df4a337cbb9fa4a4640d0d3fa1738b7

    SHA256

    27ae813ceff8aa56e9fa68c8e50bb1c6c4a01636015eac4bd8bf444afb7020d6

    SHA512

    6b39cb32d77200209a25080ac92bc71b1f468e2946b651023793f3585ee6034adc70924dbd751cf4a51b5e71377854f1ab43c2dd287d4837e7b544ff886f470c

  • memory/2608-182-0x0000000000400000-0x000000000152D000-memory.dmp

    Filesize

    17.2MB

  • memory/2608-183-0x0000000000400000-0x000000000152D000-memory.dmp

    Filesize

    17.2MB

  • memory/2608-190-0x0000000000400000-0x000000000152D000-memory.dmp

    Filesize

    17.2MB

  • memory/4592-148-0x0000000000670000-0x0000000000671000-memory.dmp

    Filesize

    4KB

  • memory/4592-189-0x0000000000400000-0x00000000004D8000-memory.dmp

    Filesize

    864KB

  • memory/5044-133-0x0000000000400000-0x000000000042F000-memory.dmp

    Filesize

    188KB

  • memory/5044-188-0x0000000000400000-0x000000000042F000-memory.dmp

    Filesize

    188KB