Analysis

  • max time kernel
    147s
  • max time network
    148s
  • platform
    windows7_x64
  • resource
    win7-20220414-en
  • submitted
    20-05-2022 06:46

General

  • Target

    9573a9916bb1d17cc564c313dc04ecb5863c3d73b3d1a5fc5db01013600e5a93.exe

  • Size

    619KB

  • MD5

    db1957dd8131bddcc932d359fab23c9e

  • SHA1

    65f4180bf00a47b609e136f4473104031492b7db

  • SHA256

    9573a9916bb1d17cc564c313dc04ecb5863c3d73b3d1a5fc5db01013600e5a93

  • SHA512

    fa5817cc03d1a9891cfe4c64306f4db436b0ce1d48722c5d455a87e8226504bb6490a01e05c1873bbf313f4c39ae76b6e0340f03f9903226e717ee81fa9f02e1

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 64 IoCs
  • Suspicious use of FindShellTrayWindow 3 IoCs
  • Suspicious use of SetWindowsHookEx 12 IoCs
  • Suspicious use of WriteProcessMemory 12 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\9573a9916bb1d17cc564c313dc04ecb5863c3d73b3d1a5fc5db01013600e5a93.exe
    "C:\Users\Admin\AppData\Local\Temp\9573a9916bb1d17cc564c313dc04ecb5863c3d73b3d1a5fc5db01013600e5a93.exe"
    1⤵
      PID:920
    • 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:884
      • C:\Program Files (x86)\Internet Explorer\IEXPLORE.EXE
        "C:\Program Files (x86)\Internet Explorer\IEXPLORE.EXE" SCODEF:884 CREDAT:275457 /prefetch:2
        2⤵
        • Modifies Internet Explorer settings
        • Suspicious use of SetWindowsHookEx
        PID:1456
    • 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:1728
      • C:\Program Files (x86)\Internet Explorer\IEXPLORE.EXE
        "C:\Program Files (x86)\Internet Explorer\IEXPLORE.EXE" SCODEF:1728 CREDAT:275457 /prefetch:2
        2⤵
        • Modifies Internet Explorer settings
        • Suspicious use of SetWindowsHookEx
        PID:1700
    • 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:860
      • C:\Program Files (x86)\Internet Explorer\IEXPLORE.EXE
        "C:\Program Files (x86)\Internet Explorer\IEXPLORE.EXE" SCODEF:860 CREDAT:275457 /prefetch:2
        2⤵
        • Suspicious use of SetWindowsHookEx
        PID:1796

    Network

    MITRE ATT&CK Enterprise v6

    Replay Monitor

    Loading Replay Monitor...

    Downloads

    • memory/920-54-0x0000000075DF1000-0x0000000075DF3000-memory.dmp

      Filesize

      8KB

    • memory/920-55-0x00000000001B0000-0x00000000001D8000-memory.dmp

      Filesize

      160KB

    • memory/920-56-0x0000000000400000-0x000000000049B000-memory.dmp

      Filesize

      620KB

    • memory/920-57-0x00000000004A0000-0x00000000004B6000-memory.dmp

      Filesize

      88KB