Analysis

  • max time kernel
    57s
  • max time network
    156s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20220414-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

  • exe_type

    loader

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 10 IoCs
  • Suspicious use of FindShellTrayWindow 1 IoCs
  • Suspicious use of SetWindowsHookEx 4 IoCs
  • Suspicious use of WriteProcessMemory 3 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\f1ae6076be1eb4ffae4db359ee629b1c40e2ec295250abeea73de744ef8aef32.exe
    "C:\Users\Admin\AppData\Local\Temp\f1ae6076be1eb4ffae4db359ee629b1c40e2ec295250abeea73de744ef8aef32.exe"
    1⤵
      PID:4904
    • C:\Program Files (x86)\Internet Explorer\ielowutil.exe
      "C:\Program Files (x86)\Internet Explorer\ielowutil.exe" -CLSID:{0002DF01-0000-0000-C000-000000000046} -Embedding
      1⤵
        PID:5100
      • 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:4120
        • C:\Program Files (x86)\Internet Explorer\IEXPLORE.EXE
          "C:\Program Files (x86)\Internet Explorer\IEXPLORE.EXE" SCODEF:4120 CREDAT:17410 /prefetch:2
          2⤵
          • Modifies Internet Explorer settings
          • Suspicious use of SetWindowsHookEx
          PID:2368
        • C:\Program Files (x86)\Internet Explorer\IEXPLORE.EXE
          "C:\Program Files (x86)\Internet Explorer\IEXPLORE.EXE" SCODEF:4120 CREDAT:82950 /prefetch:2
          2⤵
            PID:4784
        • C:\Program Files\Internet Explorer\iexplore.exe
          "C:\Program Files\Internet Explorer\iexplore.exe" -Embedding
          1⤵
            PID:4820
            • C:\Program Files (x86)\Internet Explorer\IEXPLORE.EXE
              "C:\Program Files (x86)\Internet Explorer\IEXPLORE.EXE" SCODEF:4820 CREDAT:17410 /prefetch:2
              2⤵
                PID:2536
            • C:\Program Files\Internet Explorer\iexplore.exe
              "C:\Program Files\Internet Explorer\iexplore.exe" -Embedding
              1⤵
                PID:364
                • C:\Program Files (x86)\Internet Explorer\IEXPLORE.EXE
                  "C:\Program Files (x86)\Internet Explorer\IEXPLORE.EXE" SCODEF:364 CREDAT:17410 /prefetch:2
                  2⤵
                    PID:4960
                • C:\Program Files\Internet Explorer\iexplore.exe
                  "C:\Program Files\Internet Explorer\iexplore.exe" -Embedding
                  1⤵
                    PID:3436
                    • C:\Program Files (x86)\Internet Explorer\IEXPLORE.EXE
                      "C:\Program Files (x86)\Internet Explorer\IEXPLORE.EXE" SCODEF:3436 CREDAT:17410 /prefetch:2
                      2⤵
                        PID:1016

                    Network

                    MITRE ATT&CK Matrix ATT&CK v6

                    Defense Evasion

                    Modify Registry

                    1
                    T1112

                    Replay Monitor

                    Loading Replay Monitor...

                    Downloads

                    • memory/4904-130-0x0000000000670000-0x0000000000681000-memory.dmp
                      Filesize

                      68KB

                    • memory/4904-136-0x0000000000630000-0x000000000063C000-memory.dmp
                      Filesize

                      48KB

                    • memory/4904-137-0x0000000000400000-0x00000000004E5000-memory.dmp
                      Filesize

                      916KB