Analysis

  • max time kernel
    52s
  • max time network
    139s
  • platform
    windows7_x64
  • resource
    win7-20220414-en
  • submitted
    24-05-2022 22:03

General

  • Target

    1995568784d1e73cdd719062efa1ba59f92685bf8b1ac10037a74ddb12e3f20b.exe

  • Size

    908KB

  • MD5

    cde3b5d2b9bb5e78ed7a7c5cbbb59f00

  • SHA1

    5a5db960b39ba8b0aa6ff859b01212dcc1ee5caf

  • SHA256

    1995568784d1e73cdd719062efa1ba59f92685bf8b1ac10037a74ddb12e3f20b

  • SHA512

    3e600737c658488363537975ef5683ab071cd2d76094647428b9748a86436565aa689c90ff52e788329066ed73f14b7b7b468a3361186ed4d979cf2241e52d99

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 22 IoCs
  • Suspicious use of FindShellTrayWindow 1 IoCs
  • Suspicious use of SetWindowsHookEx 6 IoCs
  • Suspicious use of WriteProcessMemory 8 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\1995568784d1e73cdd719062efa1ba59f92685bf8b1ac10037a74ddb12e3f20b.exe
    "C:\Users\Admin\AppData\Local\Temp\1995568784d1e73cdd719062efa1ba59f92685bf8b1ac10037a74ddb12e3f20b.exe"
    1⤵
      PID:1696
    • 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:1096
      • C:\Program Files (x86)\Internet Explorer\IEXPLORE.EXE
        "C:\Program Files (x86)\Internet Explorer\IEXPLORE.EXE" SCODEF:1096 CREDAT:275457 /prefetch:2
        2⤵
        • Modifies Internet Explorer settings
        • Suspicious use of SetWindowsHookEx
        PID:576
      • C:\Program Files (x86)\Internet Explorer\IEXPLORE.EXE
        "C:\Program Files (x86)\Internet Explorer\IEXPLORE.EXE" SCODEF:1096 CREDAT:275470 /prefetch:2
        2⤵
          PID:812
      • C:\Program Files\Internet Explorer\iexplore.exe
        "C:\Program Files\Internet Explorer\iexplore.exe" -Embedding
        1⤵
          PID:1616
          • C:\Program Files (x86)\Internet Explorer\IEXPLORE.EXE
            "C:\Program Files (x86)\Internet Explorer\IEXPLORE.EXE" SCODEF:1616 CREDAT:275457 /prefetch:2
            2⤵
              PID:1792
          • C:\Program Files\Internet Explorer\iexplore.exe
            "C:\Program Files\Internet Explorer\iexplore.exe" -Embedding
            1⤵
              PID:1204
              • C:\Program Files (x86)\Internet Explorer\IEXPLORE.EXE
                "C:\Program Files (x86)\Internet Explorer\IEXPLORE.EXE" SCODEF:1204 CREDAT:275457 /prefetch:2
                2⤵
                  PID:1136

              Network

              MITRE ATT&CK Enterprise v6

              Replay Monitor

              Loading Replay Monitor...

              Downloads

              • memory/1696-54-0x0000000075371000-0x0000000075373000-memory.dmp

                Filesize

                8KB

              • memory/1696-56-0x0000000000400000-0x00000000004E5000-memory.dmp

                Filesize

                916KB

              • memory/1696-55-0x0000000000220000-0x000000000022C000-memory.dmp

                Filesize

                48KB

              • memory/1696-57-0x00000000002C0000-0x00000000002D1000-memory.dmp

                Filesize

                68KB