Analysis

  • max time kernel
    109s
  • max time network
    46s
  • platform
    windows7_x64
  • resource
    win7-20220812-en
  • resource tags

    arch:x64arch:x86image:win7-20220812-enlocale:en-usos:windows7-x64system
  • submitted
    27-11-2022 20:39

General

  • Target

    e4e3320c95503384079c9349a7e60c31007cb5bfb683a3d8e37064df95e3b72f.exe

  • Size

    5.9MB

  • MD5

    f98cc1ed7d0f00c066b656c7983a5dc8

  • SHA1

    a068d5a7d098688db0e5305dcddc1c29eb0d258d

  • SHA256

    e4e3320c95503384079c9349a7e60c31007cb5bfb683a3d8e37064df95e3b72f

  • SHA512

    9c63448161b0c1a49944f14015fc1bccf292799660a58090047546eecc66143605d9eb93fb943496a87259f05f55c800caf6653e54c668ee31f416d62f50658d

  • SSDEEP

    98304:zgXN9HVy6ImMQuX9uNw082xdBW3j6YseoBg+cDiD9e7o5PWx/EtsbVfewPpNw7H8:zgXN9q8+0bBWzVB+Gh7o0x/Ets5Wy/Q8

Malware Config

Signatures

  • Modifies AppInit DLL entries 2 TTPs
  • Loads dropped DLL 10 IoCs
  • Checks installed software on the system 1 TTPs

    Looks up Uninstall key entries in the registry to enumerate software on the system.

  • Drops file in Program Files directory 1 IoCs
  • Modifies data under HKEY_USERS 51 IoCs
  • Suspicious behavior: EnumeratesProcesses 6 IoCs
  • Suspicious use of WriteProcessMemory 14 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\e4e3320c95503384079c9349a7e60c31007cb5bfb683a3d8e37064df95e3b72f.exe
    "C:\Users\Admin\AppData\Local\Temp\e4e3320c95503384079c9349a7e60c31007cb5bfb683a3d8e37064df95e3b72f.exe"
    1⤵
    • Loads dropped DLL
    • Drops file in Program Files directory
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of WriteProcessMemory
    PID:1908
    • C:\Windows\SysWOW64\rundll32.exe
      "C:\Windows\system32\rundll32.exe" "c:\Program Files (x86)\TrustMix\TrustMix.dll",serv -install
      2⤵
      • Loads dropped DLL
      PID:1736
  • C:\Windows\system32\rundll32.exe
    "C:\Windows\system32\rundll32.exe" "c:\Program Files (x86)\TrustMix\TrustMix.dll",serv
    1⤵
    • Suspicious use of WriteProcessMemory
    PID:768
    • C:\Windows\SysWOW64\rundll32.exe
      "C:\Windows\system32\rundll32.exe" "c:\Program Files (x86)\TrustMix\TrustMix.dll",serv
      2⤵
      • Loads dropped DLL
      • Modifies data under HKEY_USERS
      • Suspicious behavior: EnumeratesProcesses
      PID:868

Network

MITRE ATT&CK Enterprise v6

Replay Monitor

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Downloads

  • \??\c:\Program Files (x86)\TrustMix\TrustMix.dll

    Filesize

    4.0MB

    MD5

    b7ea61fa59a8767aa8f31c3e261d0840

    SHA1

    0823fbaa69576056b9680fe3d293204375cce94a

    SHA256

    035495c305719dbfa0297f0b056930df79e74323f4d8b175833f645cdee2271c

    SHA512

    10e17ca8577ed1e01744f470eba4c4c9a9ea442f17ff2faa49f9cd8a35502b26638f5a51ad22a57ad08daed9539eadd7834f313031c7e053d7317f3a50cec7d6

  • \Program Files (x86)\TrustMix\TrustMix.dll

    Filesize

    4.0MB

    MD5

    b7ea61fa59a8767aa8f31c3e261d0840

    SHA1

    0823fbaa69576056b9680fe3d293204375cce94a

    SHA256

    035495c305719dbfa0297f0b056930df79e74323f4d8b175833f645cdee2271c

    SHA512

    10e17ca8577ed1e01744f470eba4c4c9a9ea442f17ff2faa49f9cd8a35502b26638f5a51ad22a57ad08daed9539eadd7834f313031c7e053d7317f3a50cec7d6

  • \Program Files (x86)\TrustMix\TrustMix.dll

    Filesize

    4.0MB

    MD5

    b7ea61fa59a8767aa8f31c3e261d0840

    SHA1

    0823fbaa69576056b9680fe3d293204375cce94a

    SHA256

    035495c305719dbfa0297f0b056930df79e74323f4d8b175833f645cdee2271c

    SHA512

    10e17ca8577ed1e01744f470eba4c4c9a9ea442f17ff2faa49f9cd8a35502b26638f5a51ad22a57ad08daed9539eadd7834f313031c7e053d7317f3a50cec7d6

  • \Program Files (x86)\TrustMix\TrustMix.dll

    Filesize

    4.0MB

    MD5

    b7ea61fa59a8767aa8f31c3e261d0840

    SHA1

    0823fbaa69576056b9680fe3d293204375cce94a

    SHA256

    035495c305719dbfa0297f0b056930df79e74323f4d8b175833f645cdee2271c

    SHA512

    10e17ca8577ed1e01744f470eba4c4c9a9ea442f17ff2faa49f9cd8a35502b26638f5a51ad22a57ad08daed9539eadd7834f313031c7e053d7317f3a50cec7d6

  • \Program Files (x86)\TrustMix\TrustMix.dll

    Filesize

    4.0MB

    MD5

    b7ea61fa59a8767aa8f31c3e261d0840

    SHA1

    0823fbaa69576056b9680fe3d293204375cce94a

    SHA256

    035495c305719dbfa0297f0b056930df79e74323f4d8b175833f645cdee2271c

    SHA512

    10e17ca8577ed1e01744f470eba4c4c9a9ea442f17ff2faa49f9cd8a35502b26638f5a51ad22a57ad08daed9539eadd7834f313031c7e053d7317f3a50cec7d6

  • \Program Files (x86)\TrustMix\TrustMix.dll

    Filesize

    4.0MB

    MD5

    b7ea61fa59a8767aa8f31c3e261d0840

    SHA1

    0823fbaa69576056b9680fe3d293204375cce94a

    SHA256

    035495c305719dbfa0297f0b056930df79e74323f4d8b175833f645cdee2271c

    SHA512

    10e17ca8577ed1e01744f470eba4c4c9a9ea442f17ff2faa49f9cd8a35502b26638f5a51ad22a57ad08daed9539eadd7834f313031c7e053d7317f3a50cec7d6

  • \Program Files (x86)\TrustMix\TrustMix.dll

    Filesize

    4.0MB

    MD5

    b7ea61fa59a8767aa8f31c3e261d0840

    SHA1

    0823fbaa69576056b9680fe3d293204375cce94a

    SHA256

    035495c305719dbfa0297f0b056930df79e74323f4d8b175833f645cdee2271c

    SHA512

    10e17ca8577ed1e01744f470eba4c4c9a9ea442f17ff2faa49f9cd8a35502b26638f5a51ad22a57ad08daed9539eadd7834f313031c7e053d7317f3a50cec7d6

  • \Program Files (x86)\TrustMix\TrustMix.dll

    Filesize

    4.0MB

    MD5

    b7ea61fa59a8767aa8f31c3e261d0840

    SHA1

    0823fbaa69576056b9680fe3d293204375cce94a

    SHA256

    035495c305719dbfa0297f0b056930df79e74323f4d8b175833f645cdee2271c

    SHA512

    10e17ca8577ed1e01744f470eba4c4c9a9ea442f17ff2faa49f9cd8a35502b26638f5a51ad22a57ad08daed9539eadd7834f313031c7e053d7317f3a50cec7d6

  • \Program Files (x86)\TrustMix\TrustMix.dll

    Filesize

    4.0MB

    MD5

    b7ea61fa59a8767aa8f31c3e261d0840

    SHA1

    0823fbaa69576056b9680fe3d293204375cce94a

    SHA256

    035495c305719dbfa0297f0b056930df79e74323f4d8b175833f645cdee2271c

    SHA512

    10e17ca8577ed1e01744f470eba4c4c9a9ea442f17ff2faa49f9cd8a35502b26638f5a51ad22a57ad08daed9539eadd7834f313031c7e053d7317f3a50cec7d6

  • \Program Files (x86)\TrustMix\TrustMix.dll

    Filesize

    4.0MB

    MD5

    b7ea61fa59a8767aa8f31c3e261d0840

    SHA1

    0823fbaa69576056b9680fe3d293204375cce94a

    SHA256

    035495c305719dbfa0297f0b056930df79e74323f4d8b175833f645cdee2271c

    SHA512

    10e17ca8577ed1e01744f470eba4c4c9a9ea442f17ff2faa49f9cd8a35502b26638f5a51ad22a57ad08daed9539eadd7834f313031c7e053d7317f3a50cec7d6

  • \Users\Admin\AppData\Local\Temp\tf00294823.dll

    Filesize

    4.0MB

    MD5

    b7ea61fa59a8767aa8f31c3e261d0840

    SHA1

    0823fbaa69576056b9680fe3d293204375cce94a

    SHA256

    035495c305719dbfa0297f0b056930df79e74323f4d8b175833f645cdee2271c

    SHA512

    10e17ca8577ed1e01744f470eba4c4c9a9ea442f17ff2faa49f9cd8a35502b26638f5a51ad22a57ad08daed9539eadd7834f313031c7e053d7317f3a50cec7d6

  • memory/868-84-0x000000007EC60000-0x000000007EFA6000-memory.dmp

    Filesize

    3.3MB

  • memory/1736-73-0x000000007EC60000-0x000000007EFA6000-memory.dmp

    Filesize

    3.3MB

  • memory/1908-61-0x000000007E610000-0x000000007E956000-memory.dmp

    Filesize

    3.3MB

  • memory/1908-59-0x00000000753C1000-0x00000000753C3000-memory.dmp

    Filesize

    8KB

  • memory/1908-54-0x000000007EAA0000-0x000000007EFA5000-memory.dmp

    Filesize

    5.0MB