Analysis

  • max time kernel
    90s
  • max time network
    192s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20220414-en
  • submitted
    25-05-2022 00:00

General

  • Target

    d62f1f960984e3ad72a1150f10f27f451f8e7774d8d785ab11d1c96ac1c8e837.exe

  • Size

    908KB

  • MD5

    52f40e6a402224bf7b59a5844e07c52f

  • SHA1

    8c526c677c35f6295aa8e8a94e1494da022e85fe

  • SHA256

    d62f1f960984e3ad72a1150f10f27f451f8e7774d8d785ab11d1c96ac1c8e837

  • SHA512

    67d555593df445b935ef2d9677b0797c86f25f939eee7ddb5aaab991e4a082953d39ed7c37cbb2d01778b60d6da7e679adfcedcbed80a62fbd4e60d964b19351

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 12 IoCs
  • Suspicious use of FindShellTrayWindow 2 IoCs
  • Suspicious use of SetWindowsHookEx 8 IoCs
  • Suspicious use of WriteProcessMemory 6 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\d62f1f960984e3ad72a1150f10f27f451f8e7774d8d785ab11d1c96ac1c8e837.exe
    "C:\Users\Admin\AppData\Local\Temp\d62f1f960984e3ad72a1150f10f27f451f8e7774d8d785ab11d1c96ac1c8e837.exe"
    1⤵
      PID:3016
    • 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:1948
      • 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:3748
        • C:\Program Files (x86)\Internet Explorer\IEXPLORE.EXE
          "C:\Program Files (x86)\Internet Explorer\IEXPLORE.EXE" SCODEF:3748 CREDAT:17410 /prefetch:2
          2⤵
          • Modifies Internet Explorer settings
          • Suspicious use of SetWindowsHookEx
          PID:5096
        • C:\Program Files (x86)\Internet Explorer\IEXPLORE.EXE
          "C:\Program Files (x86)\Internet Explorer\IEXPLORE.EXE" SCODEF:3748 CREDAT:82950 /prefetch:2
          2⤵
          • Modifies Internet Explorer settings
          • Suspicious use of SetWindowsHookEx
          PID:3300
      • C:\Program Files\Internet Explorer\iexplore.exe
        "C:\Program Files\Internet Explorer\iexplore.exe" -Embedding
        1⤵
          PID:2956
          • C:\Program Files (x86)\Internet Explorer\IEXPLORE.EXE
            "C:\Program Files (x86)\Internet Explorer\IEXPLORE.EXE" SCODEF:2956 CREDAT:17410 /prefetch:2
            2⤵
              PID:4760
          • C:\Program Files\Internet Explorer\iexplore.exe
            "C:\Program Files\Internet Explorer\iexplore.exe" -Embedding
            1⤵
              PID:3388
              • C:\Program Files (x86)\Internet Explorer\IEXPLORE.EXE
                "C:\Program Files (x86)\Internet Explorer\IEXPLORE.EXE" SCODEF:3388 CREDAT:17410 /prefetch:2
                2⤵
                  PID:2904
              • C:\Program Files\Internet Explorer\iexplore.exe
                "C:\Program Files\Internet Explorer\iexplore.exe" -Embedding
                1⤵
                  PID:4088
                  • C:\Program Files (x86)\Internet Explorer\IEXPLORE.EXE
                    "C:\Program Files (x86)\Internet Explorer\IEXPLORE.EXE" SCODEF:4088 CREDAT:17410 /prefetch:2
                    2⤵
                      PID:3004

                  Network

                  MITRE ATT&CK Enterprise v6

                  Replay Monitor

                  Loading Replay Monitor...

                  Downloads

                  • memory/3016-130-0x00000000020E0000-0x00000000020EC000-memory.dmp

                    Filesize

                    48KB

                  • memory/3016-131-0x0000000000400000-0x00000000004E5000-memory.dmp

                    Filesize

                    916KB

                  • memory/3016-132-0x0000000002100000-0x0000000002111000-memory.dmp

                    Filesize

                    68KB