Analysis

  • max time kernel
    16s
  • max time network
    34s
  • platform
    windows7_x64
  • resource
    win7-20221111-en
  • resource tags

    arch:x64arch:x86image:win7-20221111-enlocale:en-usos:windows7-x64system
  • submitted
    29-01-2023 17:42

General

  • Target

    4d0396d7923a7bdccac984adf6c725b44ae58e1418daa81d9fd01fcbb658b4e5.exe

  • Size

    286KB

  • MD5

    9ed5d21bbfac7db5c250ad6d15e59d57

  • SHA1

    72ff57e684208d64542968f64203bed304522379

  • SHA256

    4d0396d7923a7bdccac984adf6c725b44ae58e1418daa81d9fd01fcbb658b4e5

  • SHA512

    953ee514e9b558c1dc2212914949e5461bce76ac1bade5ece14540a697b23ed452f4f0aba16c7a2e11278f6e88095f1c3a976e9f2c9b4c69f550fe8373971db3

  • SSDEEP

    6144:K0gxemAEsSJ0p5oZWVwQo6LfGoUaPCyUG1sefgWsV1KC:K711Op5oIVwQo69H52eoWsVr

Malware Config

Extracted

Family

gootkit

Botnet

6546

C2

servicemanager.icu

partnerservice.xyz

Attributes
  • vendor_id

    6546

Signatures

  • Gootkit

    Gootkit is a banking trojan, where large parts are written in node.JS.

  • Checks BIOS information in registry 2 TTPs 1 IoCs

    BIOS information is often read in order to detect sandboxing environments.

  • Deletes itself 1 IoCs
  • Enumerates physical storage devices 1 TTPs

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

  • Suspicious use of WriteProcessMemory 8 IoCs
  • Views/modifies file attributes 1 TTPs 1 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\4d0396d7923a7bdccac984adf6c725b44ae58e1418daa81d9fd01fcbb658b4e5.exe
    "C:\Users\Admin\AppData\Local\Temp\4d0396d7923a7bdccac984adf6c725b44ae58e1418daa81d9fd01fcbb658b4e5.exe"
    1⤵
    • Checks BIOS information in registry
    • Suspicious use of WriteProcessMemory
    PID:944
    • C:\Windows\SysWOW64\cmd.exe
      cmd /c ""C:\Users\Admin\AppData\Local\Temp\7130883.bat" "C:\Users\Admin\AppData\Local\Temp\4d0396d7923a7bdccac984adf6c725b44ae58e1418daa81d9fd01fcbb658b4e5.exe""
      2⤵
      • Deletes itself
      • Suspicious use of WriteProcessMemory
      PID:768
      • C:\Windows\SysWOW64\attrib.exe
        attrib -r -s -h "C:\Users\Admin\AppData\Local\Temp\4d0396d7923a7bdccac984adf6c725b44ae58e1418daa81d9fd01fcbb658b4e5.exe"
        3⤵
        • Views/modifies file attributes
        PID:268

Network

MITRE ATT&CK Enterprise v6

Replay Monitor

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Downloads

  • C:\Users\Admin\AppData\Local\Temp\7130883.bat

    Filesize

    72B

    MD5

    2134c182a4574a40233f2e387f61241f

    SHA1

    76b11c17fd6e60e2137fa8c90202a8bd08492274

    SHA256

    8e2dfc4ae892f2d3c543cb5d7361b1bb3654e1d05b91c23dccd4e699a7b84fda

    SHA512

    d1911f4db76ee5f5642dbf2a2d7abb8c3e37ed27cbc7f47781c889e0e72559d1c5e8f2430db285aeea01bf5abdd51c73f06809e996066dfe7f7f3e4258d4c625

  • memory/268-59-0x0000000000000000-mapping.dmp

  • memory/768-55-0x0000000000000000-mapping.dmp

  • memory/944-54-0x0000000075FE1000-0x0000000075FE3000-memory.dmp

    Filesize

    8KB

  • memory/944-56-0x00000000001B0000-0x00000000001B3000-memory.dmp

    Filesize

    12KB

  • memory/944-57-0x0000000000400000-0x000000000044A000-memory.dmp

    Filesize

    296KB