Analysis

  • max time kernel
    117s
  • max time network
    118s
  • platform
    windows7_x64
  • resource
    win7-20240903-en
  • resource tags

    arch:x64arch:x86image:win7-20240903-enlocale:en-usos:windows7-x64system
  • submitted
    04-09-2024 16:06

General

  • Target

    5b80a16b10ae88aa9f46e032f1d68aa7ddd8cd45a3b787e7002c7797b063c9eb.exe

  • Size

    300KB

  • MD5

    5a4769753ffcbd37617b180faa65a7a5

  • SHA1

    158eef397b0262e1ff600b4ea58e889d928b8750

  • SHA256

    5b80a16b10ae88aa9f46e032f1d68aa7ddd8cd45a3b787e7002c7797b063c9eb

  • SHA512

    2610097db3e9b53c0179e30fd86d2d1dda17616157ec3f8a4fe6159be160cd276872834583c7ffd5fe23a33db8feaff0f1d51021e2970266a68d52c84e35ad7b

  • SSDEEP

    6144:lfHn+TbryKfN/dRwYqu1EgcCey0wLk6arrYcTVp:5Hn+TPyK5quugveLEQrrYoV

Malware Config

Extracted

Family

gcleaner

C2

80.66.75.114

45.91.200.135

Signatures

  • GCleaner

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

  • Downloads MZ/PE file
  • Deletes itself 1 IoCs
  • Loads dropped DLL 1 IoCs
  • Enumerates physical storage devices 1 TTPs

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

  • System Location Discovery: System Language Discovery 1 TTPs 3 IoCs

    Attempt gather information about the system language of a victim in order to infer the geographical location of that host.

  • Kills process with taskkill 1 IoCs
  • Suspicious use of AdjustPrivilegeToken 1 IoCs
  • Suspicious use of WriteProcessMemory 8 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\5b80a16b10ae88aa9f46e032f1d68aa7ddd8cd45a3b787e7002c7797b063c9eb.exe
    "C:\Users\Admin\AppData\Local\Temp\5b80a16b10ae88aa9f46e032f1d68aa7ddd8cd45a3b787e7002c7797b063c9eb.exe"
    1⤵
    • Loads dropped DLL
    • System Location Discovery: System Language Discovery
    • Suspicious use of WriteProcessMemory
    PID:1732
    • C:\Windows\SysWOW64\cmd.exe
      "C:\Windows\System32\cmd.exe" /c taskkill /im "5b80a16b10ae88aa9f46e032f1d68aa7ddd8cd45a3b787e7002c7797b063c9eb.exe" /f & erase "C:\Users\Admin\AppData\Local\Temp\5b80a16b10ae88aa9f46e032f1d68aa7ddd8cd45a3b787e7002c7797b063c9eb.exe" & exit
      2⤵
      • Deletes itself
      • System Location Discovery: System Language Discovery
      • Suspicious use of WriteProcessMemory
      PID:2896
      • C:\Windows\SysWOW64\taskkill.exe
        taskkill /im "5b80a16b10ae88aa9f46e032f1d68aa7ddd8cd45a3b787e7002c7797b063c9eb.exe" /f
        3⤵
        • System Location Discovery: System Language Discovery
        • Kills process with taskkill
        • Suspicious use of AdjustPrivilegeToken
        PID:2644

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

Loading Replay Monitor...

Downloads

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

    Filesize

    1B

    MD5

    cfcd208495d565ef66e7dff9f98764da

    SHA1

    b6589fc6ab0dc82cf12099d1c2d40ab994e8410c

    SHA256

    5feceb66ffc86f38d952786c6d696c79c2dbc239dd4e91b46729d73a27fb57e9

    SHA512

    31bca02094eb78126a517b206a88c73cfa9ec6f704c7030d18212cace820f025f00bf0ea68dbf3f3a5436ca63b53bf7bf80ad8d5de7d8359d0b7fed9dbc3ab99

  • \Users\Admin\AppData\Local\Temp\PLqV64y6TM4aE3ayeLw6Kt\Y-Cleaner.exe

    Filesize

    1.4MB

    MD5

    a8cf5621811f7fac55cfe8cb3fa6b9f6

    SHA1

    121356839e8138a03141f5f5856936a85bd2a474

    SHA256

    614a0362ab87cee48d0935b5bb957d539be1d94c6fdeb3fe42fac4fbe182c10c

    SHA512

    4479d951435f222ca7306774002f030972c9f1715d6aaf512fca9420dd79cb6d08240f80129f213851773290254be34f0ff63c7b1f4d554a7db5f84b69e84bdd

  • memory/1732-16-0x0000000000400000-0x0000000000452000-memory.dmp

    Filesize

    328KB

  • memory/1732-8-0x0000000010000000-0x000000001001C000-memory.dmp

    Filesize

    112KB

  • memory/1732-12-0x0000000000570000-0x0000000000670000-memory.dmp

    Filesize

    1024KB

  • memory/1732-14-0x0000000000220000-0x000000000025B000-memory.dmp

    Filesize

    236KB

  • memory/1732-1-0x0000000000570000-0x0000000000670000-memory.dmp

    Filesize

    1024KB

  • memory/1732-17-0x0000000000400000-0x000000000043F000-memory.dmp

    Filesize

    252KB

  • memory/1732-3-0x0000000000400000-0x000000000043F000-memory.dmp

    Filesize

    252KB

  • memory/1732-27-0x0000000000400000-0x0000000000452000-memory.dmp

    Filesize

    328KB

  • memory/1732-2-0x0000000000220000-0x000000000025B000-memory.dmp

    Filesize

    236KB

  • memory/1732-38-0x0000000000400000-0x000000000043F000-memory.dmp

    Filesize

    252KB

  • memory/1732-37-0x0000000000570000-0x0000000000670000-memory.dmp

    Filesize

    1024KB

  • memory/1732-36-0x0000000000400000-0x0000000000452000-memory.dmp

    Filesize

    328KB