Analysis

  • max time kernel
    71s
  • max time network
    142s
  • platform
    windows7_x64
  • resource
    win7-20220414-en
  • submitted
    25-05-2022 00:16

General

  • Target

    1935939e62979d197ee81f36bfe63af87d6e1d0002151a81827cba8ba15825e1.exe

  • Size

    619KB

  • MD5

    a65db8f2a9ef6539d125f2cc0bada901

  • SHA1

    c234f7f8835612ee74bb98ff2d30aa3d71837ec5

  • SHA256

    1935939e62979d197ee81f36bfe63af87d6e1d0002151a81827cba8ba15825e1

  • SHA512

    78760a4a09b59e67ed2e53e733b7923f9b81e2da77ac98ac73130b8bc34ee5be7c945da5dc5fa60052c9c120c7f92f9dec5bb467330881f738c9e7fa8958314c

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 24 IoCs
  • Suspicious use of FindShellTrayWindow 1 IoCs
  • Suspicious use of SetWindowsHookEx 4 IoCs
  • Suspicious use of WriteProcessMemory 4 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\1935939e62979d197ee81f36bfe63af87d6e1d0002151a81827cba8ba15825e1.exe
    "C:\Users\Admin\AppData\Local\Temp\1935939e62979d197ee81f36bfe63af87d6e1d0002151a81827cba8ba15825e1.exe"
    1⤵
      PID:872
    • 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:524
      • C:\Program Files (x86)\Internet Explorer\IEXPLORE.EXE
        "C:\Program Files (x86)\Internet Explorer\IEXPLORE.EXE" SCODEF:524 CREDAT:275457 /prefetch:2
        2⤵
        • Modifies Internet Explorer settings
        • Suspicious use of SetWindowsHookEx
        PID:1652
    • C:\Program Files\Internet Explorer\iexplore.exe
      "C:\Program Files\Internet Explorer\iexplore.exe" -Embedding
      1⤵
        PID:2016
        • C:\Program Files (x86)\Internet Explorer\IEXPLORE.EXE
          "C:\Program Files (x86)\Internet Explorer\IEXPLORE.EXE" SCODEF:2016 CREDAT:275457 /prefetch:2
          2⤵
            PID:1260
        • C:\Program Files\Internet Explorer\iexplore.exe
          "C:\Program Files\Internet Explorer\iexplore.exe" -Embedding
          1⤵
            PID:1744
            • C:\Program Files (x86)\Internet Explorer\IEXPLORE.EXE
              "C:\Program Files (x86)\Internet Explorer\IEXPLORE.EXE" SCODEF:1744 CREDAT:275457 /prefetch:2
              2⤵
                PID:1532
            • C:\Program Files\Internet Explorer\iexplore.exe
              "C:\Program Files\Internet Explorer\iexplore.exe" -Embedding
              1⤵
                PID:1528
                • C:\Program Files (x86)\Internet Explorer\IEXPLORE.EXE
                  "C:\Program Files (x86)\Internet Explorer\IEXPLORE.EXE" SCODEF:1528 CREDAT:275457 /prefetch:2
                  2⤵
                    PID:1876

                Network

                MITRE ATT&CK Enterprise v6

                Replay Monitor

                Loading Replay Monitor...

                Downloads

                • memory/872-54-0x00000000764C1000-0x00000000764C3000-memory.dmp

                  Filesize

                  8KB

                • memory/872-56-0x0000000000400000-0x000000000049B000-memory.dmp

                  Filesize

                  620KB

                • memory/872-55-0x00000000003A0000-0x00000000003C8000-memory.dmp

                  Filesize

                  160KB

                • memory/872-57-0x00000000004A0000-0x00000000004B6000-memory.dmp

                  Filesize

                  88KB