Analysis

  • max time kernel
    154s
  • max time network
    187s
  • platform
    windows7_x64
  • resource
    win7-20220414-en
  • submitted
    02-05-2022 15:39

General

  • Target

    2b4a1e90e4b691cd320e26cbf167c987a72dd8df3fc4260873c92b0f3ffb2d43.exe

  • Size

    462KB

  • MD5

    b211ecffe6b2c724df0318a1c95672c6

  • SHA1

    d2b87d0586de7dabe031d2f16e69a0855fdf07c4

  • SHA256

    2b4a1e90e4b691cd320e26cbf167c987a72dd8df3fc4260873c92b0f3ffb2d43

  • SHA512

    64fa3c56f23fb38887973fae3b2040df1c389789f2acb23235aa196f0186c88c1cf3cc1ddc55926e0e101865aee93068a969b24fbd3d8b9989b9c9763af7cd0f

Malware Config

Extracted

Family

gozi_rm3

Attributes
  • build

    300898

Extracted

Family

gozi_rm3

Botnet

89820235

C2

https://exeupay.xyz

Attributes
  • build

    300898

  • exe_type

    loader

  • server_id

    12

  • url_path

    index.htm

rsa_pubkey.plain
serpent.plain

Signatures

  • Gozi RM3

    A heavily modified version of Gozi using RM3 loader.

  • Modifies Internet Explorer settings 1 TTPs 64 IoCs
  • Suspicious use of FindShellTrayWindow 4 IoCs
  • Suspicious use of SetWindowsHookEx 16 IoCs
  • Suspicious use of WriteProcessMemory 16 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\2b4a1e90e4b691cd320e26cbf167c987a72dd8df3fc4260873c92b0f3ffb2d43.exe
    "C:\Users\Admin\AppData\Local\Temp\2b4a1e90e4b691cd320e26cbf167c987a72dd8df3fc4260873c92b0f3ffb2d43.exe"
    1⤵
      PID:916
    • C:\Program Files\Internet Explorer\iexplore.exe
      "C:\Program Files\Internet Explorer\iexplore.exe" -Embedding
      1⤵
      • Modifies Internet Explorer settings
      • Suspicious use of FindShellTrayWindow
      • Suspicious use of SetWindowsHookEx
      • Suspicious use of WriteProcessMemory
      PID:692
      • C:\Program Files (x86)\Internet Explorer\IEXPLORE.EXE
        "C:\Program Files (x86)\Internet Explorer\IEXPLORE.EXE" SCODEF:692 CREDAT:275457 /prefetch:2
        2⤵
        • Modifies Internet Explorer settings
        • Suspicious use of SetWindowsHookEx
        PID:1684
      • C:\Program Files (x86)\Internet Explorer\IEXPLORE.EXE
        "C:\Program Files (x86)\Internet Explorer\IEXPLORE.EXE" SCODEF:692 CREDAT:406537 /prefetch:2
        2⤵
        • Suspicious use of SetWindowsHookEx
        PID:1072
    • C:\Program Files\Internet Explorer\iexplore.exe
      "C:\Program Files\Internet Explorer\iexplore.exe" -Embedding
      1⤵
      • Modifies Internet Explorer settings
      • Suspicious use of FindShellTrayWindow
      • Suspicious use of SetWindowsHookEx
      • Suspicious use of WriteProcessMemory
      PID:112
      • C:\Program Files (x86)\Internet Explorer\IEXPLORE.EXE
        "C:\Program Files (x86)\Internet Explorer\IEXPLORE.EXE" SCODEF:112 CREDAT:275457 /prefetch:2
        2⤵
        • Modifies Internet Explorer settings
        • Suspicious use of SetWindowsHookEx
        PID:956
    • C:\Program Files\Internet Explorer\iexplore.exe
      "C:\Program Files\Internet Explorer\iexplore.exe" -Embedding
      1⤵
      • Modifies Internet Explorer settings
      • Suspicious use of FindShellTrayWindow
      • Suspicious use of SetWindowsHookEx
      • Suspicious use of WriteProcessMemory
      PID:972
      • C:\Program Files (x86)\Internet Explorer\IEXPLORE.EXE
        "C:\Program Files (x86)\Internet Explorer\IEXPLORE.EXE" SCODEF:972 CREDAT:275457 /prefetch:2
        2⤵
        • Modifies Internet Explorer settings
        • Suspicious use of SetWindowsHookEx
        PID:976

    Network

    MITRE ATT&CK Enterprise v6

    Replay Monitor

    Loading Replay Monitor...

    Downloads

    • memory/916-54-0x0000000075711000-0x0000000075713000-memory.dmp

      Filesize

      8KB

    • memory/916-55-0x0000000000230000-0x0000000000258000-memory.dmp

      Filesize

      160KB

    • memory/916-56-0x0000000000400000-0x0000000000474000-memory.dmp

      Filesize

      464KB

    • memory/916-57-0x0000000000370000-0x0000000000386000-memory.dmp

      Filesize

      88KB