Analysis

  • max time kernel
    150s
  • max time network
    151s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20220414-en
  • submitted
    25-05-2022 02:03

General

  • Target

    f6e009da266be11c84079654eabba0bf85142e27ef88776214a9f6dfcc2f2cb5.exe

  • Size

    908KB

  • MD5

    db081e2eaaf5d4a1d662ce0b733fb248

  • SHA1

    694db5472031a5511365ec83fdd9fc6ed03c6a75

  • SHA256

    f6e009da266be11c84079654eabba0bf85142e27ef88776214a9f6dfcc2f2cb5

  • SHA512

    e3e65e5d308c7300a98f31d5d092e130c42cea1914e8621f89c2db2325205c51d428bf7c91b587a10aeb74496d882dc60dfea0483bbddef5d14762ab42dd8be3

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 64 IoCs
  • Suspicious use of FindShellTrayWindow 5 IoCs
  • Suspicious use of SetWindowsHookEx 20 IoCs
  • Suspicious use of WriteProcessMemory 15 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\f6e009da266be11c84079654eabba0bf85142e27ef88776214a9f6dfcc2f2cb5.exe
    "C:\Users\Admin\AppData\Local\Temp\f6e009da266be11c84079654eabba0bf85142e27ef88776214a9f6dfcc2f2cb5.exe"
    1⤵
      PID:3540
    • 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:3000
      • 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:3440
        • C:\Program Files (x86)\Internet Explorer\IEXPLORE.EXE
          "C:\Program Files (x86)\Internet Explorer\IEXPLORE.EXE" SCODEF:3440 CREDAT:17410 /prefetch:2
          2⤵
          • Suspicious use of SetWindowsHookEx
          PID:1080
        • C:\Program Files (x86)\Internet Explorer\IEXPLORE.EXE
          "C:\Program Files (x86)\Internet Explorer\IEXPLORE.EXE" SCODEF:3440 CREDAT:82952 /prefetch:2
          2⤵
          • Modifies Internet Explorer settings
          • Suspicious use of SetWindowsHookEx
          PID:768
      • 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:2544
        • C:\Program Files (x86)\Internet Explorer\IEXPLORE.EXE
          "C:\Program Files (x86)\Internet Explorer\IEXPLORE.EXE" SCODEF:2544 CREDAT:17410 /prefetch:2
          2⤵
          • Modifies Internet Explorer settings
          • Suspicious use of SetWindowsHookEx
          PID:940
      • 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:1516
        • C:\Program Files (x86)\Internet Explorer\IEXPLORE.EXE
          "C:\Program Files (x86)\Internet Explorer\IEXPLORE.EXE" SCODEF:1516 CREDAT:17410 /prefetch:2
          2⤵
          • Modifies Internet Explorer settings
          • Suspicious use of SetWindowsHookEx
          PID:4840
      • 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:1112
        • C:\Program Files (x86)\Internet Explorer\IEXPLORE.EXE
          "C:\Program Files (x86)\Internet Explorer\IEXPLORE.EXE" SCODEF:1112 CREDAT:17410 /prefetch:2
          2⤵
          • Suspicious use of SetWindowsHookEx
          PID:736
      • C:\Program Files\Internet Explorer\iexplore.exe
        "C:\Program Files\Internet Explorer\iexplore.exe" -Embedding
        1⤵
          PID:3624

        Network

        MITRE ATT&CK Enterprise v6

        Replay Monitor

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        Downloads

        • C:\Users\Admin\AppData\Local\Microsoft\Internet Explorer\Recovery\High\Active\{20FE4F01-DBE2-11EC-AC67-7E9F925D3B67}.dat

          Filesize

          3KB

          MD5

          407da64c07baf4ebda71754de3683266

          SHA1

          82ac15797323840ee95b87e754dffd5922569ad8

          SHA256

          fc479dde16c2db99235a4aef5b4080993d5b40a371ff2f5e6e2d814f01368bb9

          SHA512

          cbdabb7f0025b59e283e6e321862995b80b9205c72df15a275c0d6cb8470ec5d131af5b15c2fc92335cca959c5873b66c18868a4c5ee498dc150f9a4d646ae68

        • memory/3540-130-0x00000000004F0000-0x00000000004FC000-memory.dmp

          Filesize

          48KB

        • memory/3540-131-0x0000000000400000-0x00000000004E5000-memory.dmp

          Filesize

          916KB

        • memory/3540-132-0x0000000002120000-0x0000000002131000-memory.dmp

          Filesize

          68KB