Analysis

  • max time kernel
    144s
  • max time network
    157s
  • platform
    windows10_x64
  • resource
    win10v20210410
  • submitted
    24-06-2021 04:00

General

  • Target

    31b94c5a94aa8ce7e187360b0dc702b473d1c5d498d4de26f137b272ccbadaed.exe

  • Size

    315KB

  • MD5

    99246958839423b9af0d2ea872c505d9

  • SHA1

    6aba8c858610174bcff3c9cee57d8f7bc5d11564

  • SHA256

    31b94c5a94aa8ce7e187360b0dc702b473d1c5d498d4de26f137b272ccbadaed

  • SHA512

    b72cc152f2bb3799d678b4b371a85167ba441483a17d9a1c736df2a111abb0ad4ef7494939ed557ab25931a7fa35db52d0211f6899ed5a92f7e98756dfc0337e

Malware Config

Extracted

Family

gozi_rm3

Attributes
  • build

    300974

  • exe_type

    loader

Extracted

Family

gozi_rm3

Botnet

202106191

C2

https://gogorobest.xyz

Attributes
  • build

    300974

  • exe_type

    loader

  • non_target_locale

    RU

  • 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 8 IoCs
  • Suspicious use of SetWindowsHookEx 32 IoCs
  • Suspicious use of WriteProcessMemory 24 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\31b94c5a94aa8ce7e187360b0dc702b473d1c5d498d4de26f137b272ccbadaed.exe
    "C:\Users\Admin\AppData\Local\Temp\31b94c5a94aa8ce7e187360b0dc702b473d1c5d498d4de26f137b272ccbadaed.exe"
    1⤵
      PID:3904
    • 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:3572
      • C:\Program Files (x86)\Internet Explorer\IEXPLORE.EXE
        "C:\Program Files (x86)\Internet Explorer\IEXPLORE.EXE" SCODEF:3572 CREDAT:82945 /prefetch:2
        2⤵
        • Modifies Internet Explorer settings
        • Suspicious use of SetWindowsHookEx
        PID:1340
    • 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:2628
      • C:\Program Files (x86)\Internet Explorer\IEXPLORE.EXE
        "C:\Program Files (x86)\Internet Explorer\IEXPLORE.EXE" SCODEF:2628 CREDAT:82945 /prefetch:2
        2⤵
        • Modifies Internet Explorer settings
        • Suspicious use of SetWindowsHookEx
        PID:2348
    • 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:2704
      • C:\Program Files (x86)\Internet Explorer\IEXPLORE.EXE
        "C:\Program Files (x86)\Internet Explorer\IEXPLORE.EXE" SCODEF:2704 CREDAT:82945 /prefetch:2
        2⤵
        • Modifies Internet Explorer settings
        • Suspicious use of SetWindowsHookEx
        PID:3836
    • 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:2196
      • C:\Program Files (x86)\Internet Explorer\IEXPLORE.EXE
        "C:\Program Files (x86)\Internet Explorer\IEXPLORE.EXE" SCODEF:2196 CREDAT:82945 /prefetch:2
        2⤵
        • Suspicious use of SetWindowsHookEx
        PID:1724
    • 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:208
      • C:\Program Files (x86)\Internet Explorer\IEXPLORE.EXE
        "C:\Program Files (x86)\Internet Explorer\IEXPLORE.EXE" SCODEF:208 CREDAT:82945 /prefetch:2
        2⤵
        • Suspicious use of SetWindowsHookEx
        PID:3640
    • 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:2288
      • C:\Program Files (x86)\Internet Explorer\IEXPLORE.EXE
        "C:\Program Files (x86)\Internet Explorer\IEXPLORE.EXE" SCODEF:2288 CREDAT:82945 /prefetch:2
        2⤵
        • Suspicious use of SetWindowsHookEx
        PID:2788
    • 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:4012
      • C:\Program Files (x86)\Internet Explorer\IEXPLORE.EXE
        "C:\Program Files (x86)\Internet Explorer\IEXPLORE.EXE" SCODEF:4012 CREDAT:82945 /prefetch:2
        2⤵
        • Suspicious use of SetWindowsHookEx
        PID:1664
    • 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:2664
      • C:\Program Files (x86)\Internet Explorer\IEXPLORE.EXE
        "C:\Program Files (x86)\Internet Explorer\IEXPLORE.EXE" SCODEF:2664 CREDAT:82945 /prefetch:2
        2⤵
        • Suspicious use of SetWindowsHookEx
        PID:2652

    Network

    MITRE ATT&CK Enterprise v6

    Replay Monitor

    Loading Replay Monitor...

    Downloads

    • memory/208-133-0x00007FF97CB60000-0x00007FF97CBCB000-memory.dmp

      Filesize

      428KB

    • memory/2196-131-0x00007FF97CB60000-0x00007FF97CBCB000-memory.dmp

      Filesize

      428KB

    • memory/2288-135-0x00007FF97CB60000-0x00007FF97CBCB000-memory.dmp

      Filesize

      428KB

    • memory/2628-121-0x00007FF97BEB0000-0x00007FF97BF1B000-memory.dmp

      Filesize

      428KB

    • memory/2664-139-0x00007FF97D330000-0x00007FF97D39B000-memory.dmp

      Filesize

      428KB

    • memory/2704-129-0x00007FF97BEB0000-0x00007FF97BF1B000-memory.dmp

      Filesize

      428KB

    • memory/3572-119-0x00007FF96C9B0000-0x00007FF96CA1B000-memory.dmp

      Filesize

      428KB

    • memory/3904-114-0x0000000000560000-0x0000000000570000-memory.dmp

      Filesize

      64KB

    • memory/3904-118-0x0000000001000000-0x00000000014EC000-memory.dmp

      Filesize

      4.9MB

    • memory/3904-117-0x0000000000400000-0x00000000004AE000-memory.dmp

      Filesize

      696KB

    • memory/4012-137-0x00007FF97CB60000-0x00007FF97CBCB000-memory.dmp

      Filesize

      428KB