Analysis

  • max time kernel
    152s
  • max time network
    165s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20220414-en
  • submitted
    25-05-2022 00:13

General

  • Target

    9dd4f320a638ff713daeacd1eda4dd336a461da69978ce9ff22fe146f7ccc8ba.exe

  • Size

    908KB

  • MD5

    94b9487839a03883e924844921924235

  • SHA1

    5e54c202bbad42f3085830370c194822fef4678a

  • SHA256

    9dd4f320a638ff713daeacd1eda4dd336a461da69978ce9ff22fe146f7ccc8ba

  • SHA512

    d7d8c95ce4443ef5d424f086b07b3282b626f8da096f451502d92a8f8a2f34c848fcff5bd77a0b48045dbd8f085b3ecf6c4bfc0fe55789cd7b2111f244f43fc2

Malware Config

Extracted

Family

gozi_rm3

Attributes
  • build

    300854

  • exe_type

    loader

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 4 IoCs
  • Suspicious use of SetWindowsHookEx 16 IoCs
  • Suspicious use of WriteProcessMemory 12 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\9dd4f320a638ff713daeacd1eda4dd336a461da69978ce9ff22fe146f7ccc8ba.exe
    "C:\Users\Admin\AppData\Local\Temp\9dd4f320a638ff713daeacd1eda4dd336a461da69978ce9ff22fe146f7ccc8ba.exe"
    1⤵
      PID:3364
    • 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:4804
      • 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:2764
        • C:\Program Files (x86)\Internet Explorer\IEXPLORE.EXE
          "C:\Program Files (x86)\Internet Explorer\IEXPLORE.EXE" SCODEF:2764 CREDAT:17410 /prefetch:2
          2⤵
          • Modifies Internet Explorer settings
          • Suspicious use of SetWindowsHookEx
          PID:4956
        • C:\Program Files (x86)\Internet Explorer\IEXPLORE.EXE
          "C:\Program Files (x86)\Internet Explorer\IEXPLORE.EXE" SCODEF:2764 CREDAT:82950 /prefetch:2
          2⤵
          • Suspicious use of SetWindowsHookEx
          PID:1828
      • 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:4176
        • C:\Program Files (x86)\Internet Explorer\IEXPLORE.EXE
          "C:\Program Files (x86)\Internet Explorer\IEXPLORE.EXE" SCODEF:4176 CREDAT:17410 /prefetch:2
          2⤵
          • Modifies Internet Explorer settings
          • Suspicious use of SetWindowsHookEx
          PID:3944
      • 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:4152
        • C:\Program Files (x86)\Internet Explorer\IEXPLORE.EXE
          "C:\Program Files (x86)\Internet Explorer\IEXPLORE.EXE" SCODEF:4152 CREDAT:17410 /prefetch:2
          2⤵
          • Modifies Internet Explorer settings
          • Suspicious use of SetWindowsHookEx
          PID:664

      Network

      MITRE ATT&CK Enterprise v6

      Replay Monitor

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      Downloads

      • C:\Users\Admin\AppData\LocalLow\Microsoft\CryptnetUrlCache\Content\7423F88C7F265F0DEFC08EA88C3BDE45_AA1E8580D4EBC816148CE81268683776

        Filesize

        471B

        MD5

        3c94b790a4d3d3813b9804b360811c02

        SHA1

        9b42bca99be723330c45b22abb0698f77ef8077a

        SHA256

        7bc88a561babff736195edc916e12556d4a870e9dc94e649adff7d6859468d93

        SHA512

        594410b019fde2552e456bf87934eab332c73d5a1c73c3fac27886bb2c8f2b2c174acb0fa5f67b40a4b41339cff713b239eab680c6dd7aab00aacaf8e38538b8

      • C:\Users\Admin\AppData\LocalLow\Microsoft\CryptnetUrlCache\MetaData\7423F88C7F265F0DEFC08EA88C3BDE45_AA1E8580D4EBC816148CE81268683776

        Filesize

        434B

        MD5

        554586116cd6ed285140b17a82cb5c33

        SHA1

        28c6712c559d957c4d7ec1ffe8dfe613c85247d7

        SHA256

        077215257d3dd1580d21cb277a483cbc2906da2d24ec4550d65667e452f158aa

        SHA512

        f5c144c100c0170ff5cf86319167a477b46f93e546da349b3fce1d7e51072958a011d6c85099bfce55c73c6da94294ac2e3b1ff549e7415364d6f48750c4e2a2

      • memory/3364-130-0x0000000000670000-0x0000000000681000-memory.dmp

        Filesize

        68KB

      • memory/3364-137-0x0000000000400000-0x00000000004E5000-memory.dmp

        Filesize

        916KB

      • memory/3364-136-0x0000000000630000-0x000000000063C000-memory.dmp

        Filesize

        48KB