Analysis

  • max time kernel
    123s
  • max time network
    162s
  • platform
    windows7_x64
  • resource
    win7-20220414-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 57 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\70c6df85fa312206abb3312cfea7dc6feee811b92690b343e207825c89f13881.exe
    "C:\Users\Admin\AppData\Local\Temp\70c6df85fa312206abb3312cfea7dc6feee811b92690b343e207825c89f13881.exe"
    1⤵
      PID:1448
    • 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:1492
      • C:\Program Files (x86)\Internet Explorer\IEXPLORE.EXE
        "C:\Program Files (x86)\Internet Explorer\IEXPLORE.EXE" SCODEF:1492 CREDAT:275457 /prefetch:2
        2⤵
        • Modifies Internet Explorer settings
        • Suspicious use of SetWindowsHookEx
        PID:1924
    • C:\Program Files\Internet Explorer\iexplore.exe
      "C:\Program Files\Internet Explorer\iexplore.exe" -Embedding
      1⤵
      • Modifies Internet Explorer settings
      • Suspicious use of SetWindowsHookEx
      • Suspicious use of WriteProcessMemory
      PID:1916
      • C:\Program Files (x86)\Internet Explorer\IEXPLORE.EXE
        "C:\Program Files (x86)\Internet Explorer\IEXPLORE.EXE" SCODEF:1916 CREDAT:275457 /prefetch:2
        2⤵
        • Modifies Internet Explorer settings
        PID:1616
    • C:\Program Files\Internet Explorer\iexplore.exe
      "C:\Program Files\Internet Explorer\iexplore.exe" -Embedding
      1⤵
        PID:848
        • C:\Program Files (x86)\Internet Explorer\IEXPLORE.EXE
          "C:\Program Files (x86)\Internet Explorer\IEXPLORE.EXE" SCODEF:848 CREDAT:275457 /prefetch:2
          2⤵
            PID:368

        Network

        MITRE ATT&CK Enterprise v6

        Replay Monitor

        Loading Replay Monitor...

        Downloads

        • memory/1448-54-0x0000000075C51000-0x0000000075C53000-memory.dmp

          Filesize

          8KB

        • memory/1448-55-0x0000000000220000-0x0000000000248000-memory.dmp

          Filesize

          160KB

        • memory/1448-56-0x0000000000400000-0x000000000049B000-memory.dmp

          Filesize

          620KB

        • memory/1448-57-0x0000000000300000-0x0000000000316000-memory.dmp

          Filesize

          88KB