Analysis

  • max time kernel
    36s
  • max time network
    43s
  • platform
    windows7_x64
  • resource
    win7-20220812-en
  • resource tags

    arch:x64arch:x86image:win7-20220812-enlocale:en-usos:windows7-x64system
  • submitted
    20-10-2022 20:31

General

  • Target

    2d7e27ba0ccb83128f46bcbfba5cc7673ffd8b8907b209510949d07acf1b67c3.exe

  • Size

    330KB

  • MD5

    57747bf1775275e0425ae0f364c91710

  • SHA1

    d6f1fea65f8cdd5584bcdf3de7e1535612f69817

  • SHA256

    2d7e27ba0ccb83128f46bcbfba5cc7673ffd8b8907b209510949d07acf1b67c3

  • SHA512

    3ae9aa3d3c80ad325bf4dcbd6d6f95dc3b0a6058a00cac15a4800cea2408d5d9f702f4a3f43e730d651b2a4abd9e008eb104b836d7fc511f70e242cd0f7a0d67

  • SSDEEP

    6144:pa6yGxGrMU+OzcapV2WvnZ4leSHhTO43NzMygTt1HW/jeLR7n+:pa9GxGwUcmUWvIHhq+MB5WKtn+

Malware Config

Signatures

  • Gozi, Gozi IFSB

    Gozi ISFB is a well-known and widely distributed banking trojan.

  • Deletes itself 1 IoCs
  • Writes to the Master Boot Record (MBR) 1 TTPs 1 IoCs

    Bootkits write to the MBR to gain persistence at a level below the operating system.

  • 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\2d7e27ba0ccb83128f46bcbfba5cc7673ffd8b8907b209510949d07acf1b67c3.exe
    "C:\Users\Admin\AppData\Local\Temp\2d7e27ba0ccb83128f46bcbfba5cc7673ffd8b8907b209510949d07acf1b67c3.exe"
    1⤵
    • Writes to the Master Boot Record (MBR)
    • Suspicious use of WriteProcessMemory
    PID:1644
    • C:\Windows\SysWOW64\cmd.exe
      cmd /c ""C:\Users\Admin\AppData\Local\Temp\3F71.bat" "C:\Users\Admin\AppData\Local\Temp\2D7E27~1.EXE""
      2⤵
      • Deletes itself
      • Suspicious use of WriteProcessMemory
      PID:1444
      • C:\Windows\SysWOW64\attrib.exe
        attrib -r -s -h "C:\Users\Admin\AppData\Local\Temp\2D7E27~1.EXE"
        3⤵
        • Views/modifies file attributes
        PID:1240

Network

MITRE ATT&CK Enterprise v6

Replay Monitor

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Downloads

  • C:\Users\Admin\AppData\Local\Temp\3F71.bat

    Filesize

    72B

    MD5

    fc1ce35a41bced7dd85162fb6d0d1f49

    SHA1

    7cad588a9598e85d6cb4db3e54654723617d74cf

    SHA256

    145194077f3fb74aa0ce32f30d6ce088ea78a29c45c5a5cc3bd3c76efbd14482

    SHA512

    0a3425aaa0c92dee0d9fa9a3835f86020be996fcddfae70c580a3ea06149fdf950315f104bf869c6db6a66bb9d49bd0c5a4e6abf8c2c28acac5011f714591272

  • memory/1240-63-0x0000000000000000-mapping.dmp

  • memory/1444-61-0x0000000000000000-mapping.dmp

  • memory/1644-54-0x0000000075E51000-0x0000000075E53000-memory.dmp

    Filesize

    8KB

  • memory/1644-55-0x0000000000290000-0x0000000000295000-memory.dmp

    Filesize

    20KB

  • memory/1644-60-0x0000000000400000-0x0000000000479000-memory.dmp

    Filesize

    484KB