Analysis

  • max time kernel
    49s
  • max time network
    160s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20220414-en
  • submitted
    24-05-2022 21:32

General

  • Target

    2d09b5537e31da780bfcdcfa8a7d13af8cf973e97bdccbb40ab7b70c8b4460e0.exe

  • Size

    908KB

  • MD5

    587267d4cc9b8cd9d42527c9494e889d

  • SHA1

    515674d0041395048caca9eb0412463ce6c37971

  • SHA256

    2d09b5537e31da780bfcdcfa8a7d13af8cf973e97bdccbb40ab7b70c8b4460e0

  • SHA512

    130b15c7b7d953617b445997e74ecdcee955e6b3b365635f0998aec5de94f4f3fc23e0f900848161e22f674a566b71c4d5d7309752a36889392513f6b8d6054b

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\2d09b5537e31da780bfcdcfa8a7d13af8cf973e97bdccbb40ab7b70c8b4460e0.exe
    "C:\Users\Admin\AppData\Local\Temp\2d09b5537e31da780bfcdcfa8a7d13af8cf973e97bdccbb40ab7b70c8b4460e0.exe"
    1⤵
      PID:2300
    • 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:3620
      • 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:2592
        • C:\Program Files (x86)\Internet Explorer\IEXPLORE.EXE
          "C:\Program Files (x86)\Internet Explorer\IEXPLORE.EXE" SCODEF:2592 CREDAT:17410 /prefetch:2
          2⤵
          • Modifies Internet Explorer settings
          • Suspicious use of SetWindowsHookEx
          PID:5116
        • C:\Program Files (x86)\Internet Explorer\IEXPLORE.EXE
          "C:\Program Files (x86)\Internet Explorer\IEXPLORE.EXE" SCODEF:2592 CREDAT:82950 /prefetch:2
          2⤵
          • Modifies Internet Explorer settings
          • Suspicious use of SetWindowsHookEx
          PID:1304
      • C:\Program Files\Internet Explorer\iexplore.exe
        "C:\Program Files\Internet Explorer\iexplore.exe" -Embedding
        1⤵
          PID:3176
          • C:\Program Files (x86)\Internet Explorer\IEXPLORE.EXE
            "C:\Program Files (x86)\Internet Explorer\IEXPLORE.EXE" SCODEF:3176 CREDAT:17410 /prefetch:2
            2⤵
              PID:4040
          • C:\Program Files\Internet Explorer\iexplore.exe
            "C:\Program Files\Internet Explorer\iexplore.exe" -Embedding
            1⤵
              PID:1336
              • C:\Program Files (x86)\Internet Explorer\IEXPLORE.EXE
                "C:\Program Files (x86)\Internet Explorer\IEXPLORE.EXE" SCODEF:1336 CREDAT:17410 /prefetch:2
                2⤵
                  PID:3652
              • C:\Program Files\Internet Explorer\iexplore.exe
                "C:\Program Files\Internet Explorer\iexplore.exe" -Embedding
                1⤵
                  PID:588
                  • C:\Program Files (x86)\Internet Explorer\IEXPLORE.EXE
                    "C:\Program Files (x86)\Internet Explorer\IEXPLORE.EXE" SCODEF:588 CREDAT:17410 /prefetch:2
                    2⤵
                      PID:4452

                  Network

                  MITRE ATT&CK Matrix ATT&CK v6

                  Defense Evasion

                  Modify Registry

                  1
                  T1112

                  Replay Monitor

                  Loading Replay Monitor...

                  Downloads

                  • C:\Users\Admin\AppData\LocalLow\Microsoft\CryptnetUrlCache\Content\82CB34DD3343FE727DF8890D352E0D8F
                  • C:\Users\Admin\AppData\LocalLow\Microsoft\CryptnetUrlCache\MetaData\82CB34DD3343FE727DF8890D352E0D8F
                  • C:\Users\Admin\AppData\LocalLow\Microsoft\Internet Explorer\Services\search_{0633EE93-D776-472f-A0FF-E1416B8B2E3A}.ico
                  • C:\Users\Admin\AppData\Local\Microsoft\Windows\INetCache\IE\AWDQ28Q6\favicon[2].ico
                  • memory/2300-131-0x0000000000400000-0x00000000004E5000-memory.dmp
                    Filesize

                    916KB

                  • memory/2300-130-0x0000000000640000-0x000000000064C000-memory.dmp
                    Filesize

                    48KB

                  • memory/2300-132-0x0000000000660000-0x0000000000671000-memory.dmp
                    Filesize

                    68KB