Analysis

  • max time kernel
    116s
  • max time network
    211s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20220414-en
  • submitted
    24-05-2022 22:28

General

  • Target

    70c6df85fa312206abb3312cfea7dc6feee811b92690b343e207825c89f13881.exe

  • Size

    619KB

  • MD5

    f0037fd0afc7004c8f9d45decd146c0a

  • SHA1

    20d0662ed110ce1a9521f0e07b0d51fda55058bb

  • SHA256

    70c6df85fa312206abb3312cfea7dc6feee811b92690b343e207825c89f13881

  • SHA512

    a918e5cea946a6188c1a805eca6edf4761cd68bbf1e4e983944ca7e9241e9b778c2032c93cc24087806ed155362d4f94ce69ca28a452feb314e1b139ff4fa82b

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 10 IoCs
  • Suspicious use of FindShellTrayWindow 1 IoCs
  • Suspicious use of SetWindowsHookEx 4 IoCs
  • Suspicious use of WriteProcessMemory 3 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\70c6df85fa312206abb3312cfea7dc6feee811b92690b343e207825c89f13881.exe
    "C:\Users\Admin\AppData\Local\Temp\70c6df85fa312206abb3312cfea7dc6feee811b92690b343e207825c89f13881.exe"
    1⤵
      PID:1916
    • 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:3988
      • 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:5104
        • C:\Program Files (x86)\Internet Explorer\IEXPLORE.EXE
          "C:\Program Files (x86)\Internet Explorer\IEXPLORE.EXE" SCODEF:5104 CREDAT:17410 /prefetch:2
          2⤵
          • Modifies Internet Explorer settings
          • Suspicious use of SetWindowsHookEx
          PID:4948
      • C:\Program Files\Internet Explorer\iexplore.exe
        "C:\Program Files\Internet Explorer\iexplore.exe" -Embedding
        1⤵
          PID:4464
          • C:\Program Files (x86)\Internet Explorer\IEXPLORE.EXE
            "C:\Program Files (x86)\Internet Explorer\IEXPLORE.EXE" SCODEF:4464 CREDAT:17410 /prefetch:2
            2⤵
              PID:476
          • C:\Program Files\Internet Explorer\iexplore.exe
            "C:\Program Files\Internet Explorer\iexplore.exe" -Embedding
            1⤵
              PID:1520
              • C:\Program Files (x86)\Internet Explorer\IEXPLORE.EXE
                "C:\Program Files (x86)\Internet Explorer\IEXPLORE.EXE" SCODEF:1520 CREDAT:17410 /prefetch:2
                2⤵
                  PID:2248
              • C:\Program Files\Internet Explorer\iexplore.exe
                "C:\Program Files\Internet Explorer\iexplore.exe" -Embedding
                1⤵
                  PID:816
                  • C:\Program Files (x86)\Internet Explorer\IEXPLORE.EXE
                    "C:\Program Files (x86)\Internet Explorer\IEXPLORE.EXE" SCODEF:816 CREDAT:17410 /prefetch:2
                    2⤵
                      PID:3608

                  Network

                  MITRE ATT&CK Enterprise v6

                  Replay Monitor

                  Loading Replay Monitor...

                  Downloads

                  • memory/1916-130-0x0000000000640000-0x0000000000668000-memory.dmp

                    Filesize

                    160KB

                  • memory/1916-131-0x0000000000400000-0x000000000049B000-memory.dmp

                    Filesize

                    620KB

                  • memory/1916-132-0x0000000002250000-0x0000000002266000-memory.dmp

                    Filesize

                    88KB