Analysis

  • max time kernel
    98s
  • max time network
    177s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20220414-en
  • submitted
    25-05-2022 00:18

General

  • Target

    98dc67281496a8c0d48a2f24eb229eda3c8c838ae635f0961d4e56996e84a0c5.exe

  • Size

    908KB

  • MD5

    4c0699d2866a9a99926a3a014f970e7e

  • SHA1

    6a65dad0800af670963d9cf4ed67eb64496a9b2c

  • SHA256

    98dc67281496a8c0d48a2f24eb229eda3c8c838ae635f0961d4e56996e84a0c5

  • SHA512

    2d09a3ab73fa17689eebcd36370ef4d98a1da5dac4c6ed4717eb42a9fdfae9471a4d782896bb6c5cc3b25468be26aadae28882f060c3f8694b59d0c006eddfe1

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 44 IoCs
  • Suspicious use of FindShellTrayWindow 4 IoCs
  • Suspicious use of SetWindowsHookEx 16 IoCs
  • Suspicious use of WriteProcessMemory 12 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\98dc67281496a8c0d48a2f24eb229eda3c8c838ae635f0961d4e56996e84a0c5.exe
    "C:\Users\Admin\AppData\Local\Temp\98dc67281496a8c0d48a2f24eb229eda3c8c838ae635f0961d4e56996e84a0c5.exe"
    1⤵
      PID:2872
    • 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:2224
      • 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:2980
        • C:\Program Files (x86)\Internet Explorer\IEXPLORE.EXE
          "C:\Program Files (x86)\Internet Explorer\IEXPLORE.EXE" SCODEF:2980 CREDAT:17410 /prefetch:2
          2⤵
          • Modifies Internet Explorer settings
          • Suspicious use of SetWindowsHookEx
          PID:4044
        • C:\Program Files (x86)\Internet Explorer\IEXPLORE.EXE
          "C:\Program Files (x86)\Internet Explorer\IEXPLORE.EXE" SCODEF:2980 CREDAT:82950 /prefetch:2
          2⤵
          • Modifies Internet Explorer settings
          • Suspicious use of SetWindowsHookEx
          PID:4184
      • 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:1880
        • C:\Program Files (x86)\Internet Explorer\IEXPLORE.EXE
          "C:\Program Files (x86)\Internet Explorer\IEXPLORE.EXE" SCODEF:1880 CREDAT:17410 /prefetch:2
          2⤵
          • Modifies Internet Explorer settings
          • Suspicious use of SetWindowsHookEx
          PID:2012
      • 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:3804
        • C:\Program Files (x86)\Internet Explorer\IEXPLORE.EXE
          "C:\Program Files (x86)\Internet Explorer\IEXPLORE.EXE" SCODEF:3804 CREDAT:17410 /prefetch:2
          2⤵
          • Modifies Internet Explorer settings
          • Suspicious use of SetWindowsHookEx
          PID:1156
      • C:\Program Files\Internet Explorer\iexplore.exe
        "C:\Program Files\Internet Explorer\iexplore.exe" -Embedding
        1⤵
          PID:1796
          • C:\Program Files (x86)\Internet Explorer\IEXPLORE.EXE
            "C:\Program Files (x86)\Internet Explorer\IEXPLORE.EXE" SCODEF:1796 CREDAT:17410 /prefetch:2
            2⤵
              PID:4156
          • C:\Program Files\Internet Explorer\iexplore.exe
            "C:\Program Files\Internet Explorer\iexplore.exe" -Embedding
            1⤵
              PID:4324
              • C:\Program Files (x86)\Internet Explorer\IEXPLORE.EXE
                "C:\Program Files (x86)\Internet Explorer\IEXPLORE.EXE" SCODEF:4324 CREDAT:17410 /prefetch:2
                2⤵
                  PID:4432
              • C:\Program Files\Internet Explorer\iexplore.exe
                "C:\Program Files\Internet Explorer\iexplore.exe" -Embedding
                1⤵
                  PID:4020
                  • C:\Program Files (x86)\Internet Explorer\IEXPLORE.EXE
                    "C:\Program Files (x86)\Internet Explorer\IEXPLORE.EXE" SCODEF:4020 CREDAT:17410 /prefetch:2
                    2⤵
                      PID:4792

                  Network

                  MITRE ATT&CK Enterprise v6

                  Replay Monitor

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                  Downloads

                  • memory/2872-130-0x0000000002240000-0x0000000002251000-memory.dmp

                    Filesize

                    68KB

                  • memory/2872-137-0x0000000000400000-0x00000000004E5000-memory.dmp

                    Filesize

                    916KB

                  • memory/2872-136-0x0000000002220000-0x000000000222C000-memory.dmp

                    Filesize

                    48KB