Analysis

  • max time kernel
    86s
  • max time network
    144s
  • platform
    windows7_x64
  • resource
    win7-20220414-en
  • submitted
    24-05-2022 21:39

General

  • Target

    44f9b732cdb180f84874ef471b39df998b2fea4f210be8357fa934cf69eb8044.exe

  • Size

    619KB

  • MD5

    9f38ac6ff43dd345b6735b6d7358324c

  • SHA1

    8a687c2ea81a2c643565bb1c89c410fca80091f3

  • SHA256

    44f9b732cdb180f84874ef471b39df998b2fea4f210be8357fa934cf69eb8044

  • SHA512

    8d5523d6d03ddaa44342bc80ee32035313f0893a9682cf0eea06c612778edc5cb7ecbab003f88161a7b178a88b76578955a62decf50241d4d74c017adf8cda65

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 52 IoCs
  • Suspicious use of FindShellTrayWindow 2 IoCs
  • Suspicious use of SetWindowsHookEx 8 IoCs
  • Suspicious use of WriteProcessMemory 8 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\44f9b732cdb180f84874ef471b39df998b2fea4f210be8357fa934cf69eb8044.exe
    "C:\Users\Admin\AppData\Local\Temp\44f9b732cdb180f84874ef471b39df998b2fea4f210be8357fa934cf69eb8044.exe"
    1⤵
      PID:1744
    • 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:2004
      • C:\Program Files (x86)\Internet Explorer\IEXPLORE.EXE
        "C:\Program Files (x86)\Internet Explorer\IEXPLORE.EXE" SCODEF:2004 CREDAT:275457 /prefetch:2
        2⤵
        • Modifies Internet Explorer settings
        • Suspicious use of SetWindowsHookEx
        PID:1376
    • 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:1316
      • C:\Program Files (x86)\Internet Explorer\IEXPLORE.EXE
        "C:\Program Files (x86)\Internet Explorer\IEXPLORE.EXE" SCODEF:1316 CREDAT:275457 /prefetch:2
        2⤵
        • Modifies Internet Explorer settings
        • Suspicious use of SetWindowsHookEx
        PID:928
    • C:\Program Files\Internet Explorer\iexplore.exe
      "C:\Program Files\Internet Explorer\iexplore.exe" -Embedding
      1⤵
        PID:1932
        • C:\Program Files (x86)\Internet Explorer\IEXPLORE.EXE
          "C:\Program Files (x86)\Internet Explorer\IEXPLORE.EXE" SCODEF:1932 CREDAT:275457 /prefetch:2
          2⤵
            PID:1860
        • C:\Program Files\Internet Explorer\iexplore.exe
          "C:\Program Files\Internet Explorer\iexplore.exe" -Embedding
          1⤵
            PID:1924
            • C:\Program Files (x86)\Internet Explorer\IEXPLORE.EXE
              "C:\Program Files (x86)\Internet Explorer\IEXPLORE.EXE" SCODEF:1924 CREDAT:275457 /prefetch:2
              2⤵
                PID:2000

            Network

            MITRE ATT&CK Enterprise v6

            Replay Monitor

            Loading Replay Monitor...

            Downloads

            • memory/1744-54-0x0000000075761000-0x0000000075763000-memory.dmp

              Filesize

              8KB

            • memory/1744-55-0x00000000002C0000-0x00000000002E8000-memory.dmp

              Filesize

              160KB

            • memory/1744-56-0x0000000000400000-0x000000000049B000-memory.dmp

              Filesize

              620KB

            • memory/1744-57-0x0000000000220000-0x0000000000236000-memory.dmp

              Filesize

              88KB