Analysis

  • max time kernel
    90s
  • max time network
    148s
  • platform
    windows7_x64
  • resource
    win7-20220414-en
  • submitted
    24-05-2022 22:01

General

  • Target

    ae0db078941deba2dabb864d39c233052e824804f8557c88b73db08c97220826.exe

  • Size

    619KB

  • MD5

    c37cdf3c7642208dc267403ecf2c1458

  • SHA1

    3068b1cc4f5f3a1c7c6b99a29db602d9a1a4df96

  • SHA256

    ae0db078941deba2dabb864d39c233052e824804f8557c88b73db08c97220826

  • SHA512

    5b239357e049627dc5ffebb0fa4db558b24ee9c3d18a1a5f19e3dc6dcaa425068e67be4615e7b343139d849eedd6764ad9653fb0f8d9f0e7e5fc3fe1084f7d9f

Malware Config

Extracted

Family

gozi_rm3

Attributes
  • build

    300900

Extracted

Family

gozi_rm3

Botnet

90020242

C2

https://vrhgroups.xyz

Attributes
  • build

    300900

  • 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 31 IoCs
  • Suspicious use of FindShellTrayWindow 1 IoCs
  • Suspicious use of SetWindowsHookEx 4 IoCs
  • Suspicious use of WriteProcessMemory 4 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\ae0db078941deba2dabb864d39c233052e824804f8557c88b73db08c97220826.exe
    "C:\Users\Admin\AppData\Local\Temp\ae0db078941deba2dabb864d39c233052e824804f8557c88b73db08c97220826.exe"
    1⤵
      PID:1092
    • 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:1936
      • C:\Program Files (x86)\Internet Explorer\IEXPLORE.EXE
        "C:\Program Files (x86)\Internet Explorer\IEXPLORE.EXE" SCODEF:1936 CREDAT:275457 /prefetch:2
        2⤵
        • Modifies Internet Explorer settings
        • Suspicious use of SetWindowsHookEx
        PID:1520
    • C:\Program Files\Internet Explorer\iexplore.exe
      "C:\Program Files\Internet Explorer\iexplore.exe" -Embedding
      1⤵
      • Modifies Internet Explorer settings
      PID:1384
      • C:\Program Files (x86)\Internet Explorer\IEXPLORE.EXE
        "C:\Program Files (x86)\Internet Explorer\IEXPLORE.EXE" SCODEF:1384 CREDAT:275457 /prefetch:2
        2⤵
          PID:744
      • C:\Program Files\Internet Explorer\iexplore.exe
        "C:\Program Files\Internet Explorer\iexplore.exe" -Embedding
        1⤵
          PID:1160
          • C:\Program Files (x86)\Internet Explorer\IEXPLORE.EXE
            "C:\Program Files (x86)\Internet Explorer\IEXPLORE.EXE" SCODEF:1160 CREDAT:275457 /prefetch:2
            2⤵
              PID:1804
          • C:\Program Files\Internet Explorer\iexplore.exe
            "C:\Program Files\Internet Explorer\iexplore.exe" -Embedding
            1⤵
              PID:1976
              • C:\Program Files (x86)\Internet Explorer\IEXPLORE.EXE
                "C:\Program Files (x86)\Internet Explorer\IEXPLORE.EXE" SCODEF:1976 CREDAT:275457 /prefetch:2
                2⤵
                  PID:1504

              Network

              MITRE ATT&CK Enterprise v6

              Replay Monitor

              Loading Replay Monitor...

              Downloads

              • memory/1092-54-0x00000000765C1000-0x00000000765C3000-memory.dmp

                Filesize

                8KB

              • memory/1092-55-0x0000000000220000-0x0000000000248000-memory.dmp

                Filesize

                160KB

              • memory/1092-56-0x0000000000400000-0x000000000049B000-memory.dmp

                Filesize

                620KB

              • memory/1092-57-0x0000000000280000-0x0000000000296000-memory.dmp

                Filesize

                88KB