Analysis

  • max time kernel
    55s
  • max time network
    146s
  • platform
    windows7_x64
  • resource
    win7-20220414-en
  • submitted
    24-05-2022 22:37

General

  • Target

    f1ae6076be1eb4ffae4db359ee629b1c40e2ec295250abeea73de744ef8aef32.exe

  • Size

    908KB

  • MD5

    e60f29bca51ca973c7e8d15174dca1a5

  • SHA1

    5fc8df4e27f1a4bba781e39849ac532d5fc0df18

  • SHA256

    f1ae6076be1eb4ffae4db359ee629b1c40e2ec295250abeea73de744ef8aef32

  • SHA512

    75c9875232665b91b386763d721dd60f09a3a7e5d0890d911d48f35c2f232062439b4ecf15289adabecacf4e7f5e0f63bca4fb14f52507d6d468aae05c584102

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 24 IoCs
  • Suspicious use of FindShellTrayWindow 1 IoCs
  • Suspicious use of SetWindowsHookEx 8 IoCs
  • Suspicious use of WriteProcessMemory 8 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\f1ae6076be1eb4ffae4db359ee629b1c40e2ec295250abeea73de744ef8aef32.exe
    "C:\Users\Admin\AppData\Local\Temp\f1ae6076be1eb4ffae4db359ee629b1c40e2ec295250abeea73de744ef8aef32.exe"
    1⤵
      PID:452
    • 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:1712
      • C:\Program Files (x86)\Internet Explorer\IEXPLORE.EXE
        "C:\Program Files (x86)\Internet Explorer\IEXPLORE.EXE" SCODEF:1712 CREDAT:275457 /prefetch:2
        2⤵
        • Modifies Internet Explorer settings
        • Suspicious use of SetWindowsHookEx
        PID:672
      • C:\Program Files (x86)\Internet Explorer\IEXPLORE.EXE
        "C:\Program Files (x86)\Internet Explorer\IEXPLORE.EXE" SCODEF:1712 CREDAT:930820 /prefetch:2
        2⤵
        • Modifies Internet Explorer settings
        • Suspicious use of SetWindowsHookEx
        PID:1664
    • C:\Program Files\Internet Explorer\iexplore.exe
      "C:\Program Files\Internet Explorer\iexplore.exe" -Embedding
      1⤵
        PID:1028
        • C:\Program Files (x86)\Internet Explorer\IEXPLORE.EXE
          "C:\Program Files (x86)\Internet Explorer\IEXPLORE.EXE" SCODEF:1028 CREDAT:275457 /prefetch:2
          2⤵
            PID:112
        • C:\Program Files\Internet Explorer\iexplore.exe
          "C:\Program Files\Internet Explorer\iexplore.exe" -Embedding
          1⤵
            PID:1792
            • C:\Program Files (x86)\Internet Explorer\IEXPLORE.EXE
              "C:\Program Files (x86)\Internet Explorer\IEXPLORE.EXE" SCODEF:1792 CREDAT:275457 /prefetch:2
              2⤵
                PID:1308

            Network

            MITRE ATT&CK Matrix ATT&CK v6

            Defense Evasion

            Modify Registry

            1
            T1112

            Replay Monitor

            Loading Replay Monitor...

            Downloads

            • memory/452-54-0x0000000075361000-0x0000000075363000-memory.dmp
              Filesize

              8KB

            • memory/452-56-0x0000000000400000-0x00000000004E5000-memory.dmp
              Filesize

              916KB

            • memory/452-55-0x0000000000220000-0x000000000022C000-memory.dmp
              Filesize

              48KB

            • memory/452-57-0x00000000002D0000-0x00000000002E1000-memory.dmp
              Filesize

              68KB