Analysis

  • max time kernel
    101s
  • max time network
    149s
  • platform
    windows7_x64
  • resource
    win7-20220414-en
  • submitted
    25-05-2022 00:18

General

  • Target

    98dc67281496a8c0d48a2f24eb229eda3c8c838ae635f0961d4e56996e84a0c5.exe

  • Size

    908KB

  • MD5

    4c0699d2866a9a99926a3a014f970e7e

  • SHA1

    6a65dad0800af670963d9cf4ed67eb64496a9b2c

  • SHA256

    98dc67281496a8c0d48a2f24eb229eda3c8c838ae635f0961d4e56996e84a0c5

  • SHA512

    2d09a3ab73fa17689eebcd36370ef4d98a1da5dac4c6ed4717eb42a9fdfae9471a4d782896bb6c5cc3b25468be26aadae28882f060c3f8694b59d0c006eddfe1

Malware Config

Extracted

Family

gozi_rm3

Attributes
  • build

    300854

Extracted

Family

gozi_rm3

Botnet

202004141

C2

https://devicelease.xyz

Attributes
  • build

    300854

  • dga_base_url

    constitution.org/usdeclar.txt

  • dga_crc

    0x4eb7d2ca

  • dga_season

    10

  • dga_tlds

    com

    ru

    org

  • 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 54 IoCs
  • Suspicious use of FindShellTrayWindow 3 IoCs
  • Suspicious use of SetWindowsHookEx 12 IoCs
  • Suspicious use of WriteProcessMemory 12 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\98dc67281496a8c0d48a2f24eb229eda3c8c838ae635f0961d4e56996e84a0c5.exe
    "C:\Users\Admin\AppData\Local\Temp\98dc67281496a8c0d48a2f24eb229eda3c8c838ae635f0961d4e56996e84a0c5.exe"
    1⤵
      PID:1216
    • 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:1732
      • C:\Program Files (x86)\Internet Explorer\IEXPLORE.EXE
        "C:\Program Files (x86)\Internet Explorer\IEXPLORE.EXE" SCODEF:1732 CREDAT:275457 /prefetch:2
        2⤵
        • Modifies Internet Explorer settings
        • Suspicious use of SetWindowsHookEx
        PID:1708
      • C:\Program Files (x86)\Internet Explorer\IEXPLORE.EXE
        "C:\Program Files (x86)\Internet Explorer\IEXPLORE.EXE" SCODEF:1732 CREDAT:209936 /prefetch:2
        2⤵
        • Modifies Internet Explorer settings
        • Suspicious use of SetWindowsHookEx
        PID:1540
    • 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:1340
      • C:\Program Files (x86)\Internet Explorer\IEXPLORE.EXE
        "C:\Program Files (x86)\Internet Explorer\IEXPLORE.EXE" SCODEF:1340 CREDAT:275457 /prefetch:2
        2⤵
        • Modifies Internet Explorer settings
        • Suspicious use of SetWindowsHookEx
        PID:2020
    • C:\Program Files\Internet Explorer\iexplore.exe
      "C:\Program Files\Internet Explorer\iexplore.exe" -Embedding
      1⤵
        PID:1756
        • C:\Program Files (x86)\Internet Explorer\IEXPLORE.EXE
          "C:\Program Files (x86)\Internet Explorer\IEXPLORE.EXE" SCODEF:1756 CREDAT:275457 /prefetch:2
          2⤵
            PID:2000

        Network

        MITRE ATT&CK Enterprise v6

        Replay Monitor

        Loading Replay Monitor...

        Downloads

        • memory/1216-54-0x00000000759F1000-0x00000000759F3000-memory.dmp

          Filesize

          8KB

        • memory/1216-56-0x0000000000400000-0x00000000004E5000-memory.dmp

          Filesize

          916KB

        • memory/1216-55-0x0000000000220000-0x000000000022C000-memory.dmp

          Filesize

          48KB

        • memory/1216-57-0x0000000000240000-0x0000000000251000-memory.dmp

          Filesize

          68KB