Analysis

  • max time kernel
    136s
  • max time network
    146s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20240412-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20240412-enlocale:en-usos:windows10-2004-x64system
  • submitted
    25-04-2024 10:19

General

  • Target

    7a7354049299ff87912219a04cb6511b37526f37834442a6db2a99d078bfa9ed.exe

  • Size

    423KB

  • MD5

    e7786bee73df8ba4a3870216aef8a5ea

  • SHA1

    ac209c76a1be35fa413b3161123c9fcf0cf3c166

  • SHA256

    7a7354049299ff87912219a04cb6511b37526f37834442a6db2a99d078bfa9ed

  • SHA512

    d76bba35f8b3cf7c1eca7c071b0d2348c26fab6fd7473e89d5c4e8c8734a6b030480f2b48ab3356ae83e0b0896a2c07f8231fae570eb5c5398c11e15c10e8c34

  • SSDEEP

    6144:40CAaTtTOfEoGGVCkPLBtGbnJPgyResEeENtO0DTkq:XCAcOfEoGuRPLBtGbJQeKtOcTkq

Malware Config

Signatures

  • SectopRAT

    SectopRAT is a remote access trojan first seen in November 2019.

  • SectopRAT payload 1 IoCs
  • Stealc

    Stealc is an infostealer written in C++.

  • Downloads MZ/PE file
  • Checks computer location settings 2 TTPs 1 IoCs

    Looks up country code configured in the registry, likely geofence.

  • Executes dropped EXE 2 IoCs
  • Loads dropped DLL 1 IoCs
  • Suspicious use of SetThreadContext 2 IoCs
  • Enumerates physical storage devices 1 TTPs

    Attempts to interact with connected storage/optical drive(s).

  • Program crash 2 IoCs
  • Suspicious behavior: EnumeratesProcesses 9 IoCs
  • Suspicious behavior: MapViewOfSection 3 IoCs
  • Suspicious use of AdjustPrivilegeToken 1 IoCs
  • Suspicious use of SetWindowsHookEx 3 IoCs
  • Suspicious use of WriteProcessMemory 15 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\7a7354049299ff87912219a04cb6511b37526f37834442a6db2a99d078bfa9ed.exe
    "C:\Users\Admin\AppData\Local\Temp\7a7354049299ff87912219a04cb6511b37526f37834442a6db2a99d078bfa9ed.exe"
    1⤵
    • Checks computer location settings
    • Suspicious use of WriteProcessMemory
    PID:4012
    • C:\Users\Admin\AppData\Local\Temp\u33g.0.exe
      "C:\Users\Admin\AppData\Local\Temp\u33g.0.exe"
      2⤵
      • Executes dropped EXE
      PID:756
      • C:\Windows\SysWOW64\WerFault.exe
        C:\Windows\SysWOW64\WerFault.exe -u -p 756 -s 1120
        3⤵
        • Program crash
        PID:4464
    • C:\Users\Admin\AppData\Local\Temp\u33g.2\run.exe
      "C:\Users\Admin\AppData\Local\Temp\u33g.2\run.exe"
      2⤵
      • Executes dropped EXE
      • Loads dropped DLL
      • Suspicious use of SetThreadContext
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious behavior: MapViewOfSection
      • Suspicious use of SetWindowsHookEx
      • Suspicious use of WriteProcessMemory
      PID:1268
      • C:\Windows\SysWOW64\cmd.exe
        C:\Windows\SysWOW64\cmd.exe
        3⤵
        • Suspicious use of SetThreadContext
        • Suspicious behavior: EnumeratesProcesses
        • Suspicious behavior: MapViewOfSection
        • Suspicious use of WriteProcessMemory
        PID:5068
        • C:\Windows\Microsoft.NET\Framework\v4.0.30319\MSBuild.exe
          C:\Windows\Microsoft.NET\Framework\v4.0.30319\MSBuild.exe
          4⤵
          • Suspicious behavior: EnumeratesProcesses
          • Suspicious use of AdjustPrivilegeToken
          • Suspicious use of SetWindowsHookEx
          PID:3728
    • C:\Windows\SysWOW64\WerFault.exe
      C:\Windows\SysWOW64\WerFault.exe -u -p 4012 -s 1376
      2⤵
      • Program crash
      PID:1916
  • C:\Windows\SysWOW64\WerFault.exe
    C:\Windows\SysWOW64\WerFault.exe -pss -s 464 -p 756 -ip 756
    1⤵
      PID:2248
    • C:\Windows\SysWOW64\WerFault.exe
      C:\Windows\SysWOW64\WerFault.exe -pss -s 440 -p 4012 -ip 4012
      1⤵
        PID:408

      Network

      MITRE ATT&CK Enterprise v15

      Replay Monitor

      Loading Replay Monitor...

      Downloads

      • C:\Users\Admin\AppData\Local\Temp\96ce4a74

        Filesize

        1.4MB

        MD5

        b2cb261aadab0c626180c92d7fe254cd

        SHA1

        1b118d45ba1171baac1c96b3c61d417d83896957

        SHA256

        6cbb9c4670989a2990a322c9d4802f9dccb6a29fa0ad1b3b3ffa84e398d95c82

        SHA512

        5daabe28aee7eb5925f4cb055e5c6e5d78f69d584572866d365402aebf627dc805ecee237df2f0d5945131876cdfa2e8a4bf12fff2526b4109b497d6869cee75

      • C:\Users\Admin\AppData\Local\Temp\tmp6C44.tmp

        Filesize

        20KB

        MD5

        42c395b8db48b6ce3d34c301d1eba9d5

        SHA1

        b7cfa3de344814bec105391663c0df4a74310996

        SHA256

        5644546ecefc6786c7be5b1a89e935e640963ccd34b130f21baab9370cb9055d

        SHA512

        7b9214db96e9bec8745b4161a41c4c0520cdda9950f0cd3f12c7744227a25d639d07c0dd68b552cf1e032181c2e4f8297747f27bad6c7447b0f415a86bd82845

      • C:\Users\Admin\AppData\Local\Temp\tmp6C56.tmp

        Filesize

        20KB

        MD5

        49693267e0adbcd119f9f5e02adf3a80

        SHA1

        3ba3d7f89b8ad195ca82c92737e960e1f2b349df

        SHA256

        d76e7512e496b7c8d9fcd3010a55e2e566881dc6dacaf0343652a4915d47829f

        SHA512

        b4b9fcecf8d277bb0ccbb25e08f3559e3fc519d85d8761d8ad5bca983d04eb55a20d3b742b15b9b31a7c9187da40ad5c48baa7a54664cae4c40aa253165cbaa2

      • C:\Users\Admin\AppData\Local\Temp\u33g.0.exe

        Filesize

        279KB

        MD5

        62a4e4de15e7b6e9f5f61b3c142af1a7

        SHA1

        09c691dab14858362c1c59f523f8237551d607d4

        SHA256

        cd27fda9e260449f057731155a491f93890fc488caea193ceab5dc23e32e92de

        SHA512

        a8a8df5fabe72db4e5f477f0e03483f25ec7aa5ce99d7c04dc96cd13a6069a523fe86962bf6f590a5e9537ab43b3150f9346ba9dde2fe7a0684db79930304230

      • C:\Users\Admin\AppData\Local\Temp\u33g.1.zip

        Filesize

        3.7MB

        MD5

        78d3ca6355c93c72b494bb6a498bf639

        SHA1

        2fa4e5df74bfe75c207c881a1b0d3bc1c62c8b0e

        SHA256

        a1dd547a63b256aa6a16871ed03f8b025226f7617e67b8817a08444df077b001

        SHA512

        1b2df7bee2514aee7efd3579f5dd33c76b40606d07dba69a34c45747662fad61174db4931bca02b058830107959205e889fee74f8ccc9f6e03f9fd111761f4ea

      • C:\Users\Admin\AppData\Local\Temp\u33g.2\UIxMarketPlugin.dll

        Filesize

        1.6MB

        MD5

        d1ba9412e78bfc98074c5d724a1a87d6

        SHA1

        0572f98d78fb0b366b5a086c2a74cc68b771d368

        SHA256

        cbcea8f28d8916219d1e8b0a8ca2db17e338eb812431bc4ad0cb36c06fd67f15

        SHA512

        8765de36d3824b12c0a4478c31b985878d4811bd0e5b6fba4ea07f8c76340bd66a2da3490d4871b95d9a12f96efc25507dfd87f431de211664dbe9a9c914af6f

      • C:\Users\Admin\AppData\Local\Temp\u33g.2\bunch.dat

        Filesize

        1.3MB

        MD5

        1e8237d3028ab52821d69099e0954f97

        SHA1

        30a6ae353adda0c471c6ed5b7a2458b07185abf2

        SHA256

        9387488f9d338e211be2cb45109bf590a5070180bc0d4a703f70d3cb3c4e1742

        SHA512

        a6406d7c18694ee014d59df581f1f76e980b68e3361ae680dc979606a423eba48d35e37f143154dd97fe5f066baf0ea51a2e9f8bc822d593e1cba70ead6559f3

      • C:\Users\Admin\AppData\Local\Temp\u33g.2\relay.dll

        Filesize

        1.5MB

        MD5

        10d51becd0bbce0fab147ff9658c565e

        SHA1

        4689a18112ff876d3c066bc8c14a08fd6b7b7a4a

        SHA256

        7b2db9c88f60ed6dd24b1dec321a304564780fdb191a96ec35c051856128f1ed

        SHA512

        29faf493bb28f7842c905adc5312f31741effb09f841059b53d73b22aea2c4d41d73db10bbf37703d6aeb936ffacbc756a3cc85ba3c0b6a6863ef4d27fefcd29

      • C:\Users\Admin\AppData\Local\Temp\u33g.2\run.exe

        Filesize

        2.4MB

        MD5

        9fb4770ced09aae3b437c1c6eb6d7334

        SHA1

        fe54b31b0db8665aa5b22bed147e8295afc88a03

        SHA256

        a05b592a971fe5011554013bcfe9a4aaf9cfc633bdd1fe3a8197f213d557b8d3

        SHA512

        140fee6daf23fe8b7e441b3b4de83554af804f00ecedc421907a385ac79a63164bd9f28b4be061c2ea2262755d85e14d3a8e7dc910547837b664d78d93667256

      • C:\Users\Admin\AppData\Local\Temp\u33g.2\whale.dbf

        Filesize

        85KB

        MD5

        a723bf46048e0bfb15b8d77d7a648c3e

        SHA1

        8952d3c34e9341e4425571e10f22b782695bb915

        SHA256

        b440170853bdb43b66497f701aee2901080326975140b095a1669cb9dee13422

        SHA512

        ca8ea2f7f3c7af21b5673a0a3f2611b6580a7ed02efa2cfd8b343eb644ff09682bde43b25ef7aab68530d5ce31dcbd252c382dd336ecb610d4c4ebde78347273

      • memory/756-15-0x0000000000400000-0x0000000002C29000-memory.dmp

        Filesize

        40.2MB

      • memory/756-13-0x0000000002E60000-0x0000000002F60000-memory.dmp

        Filesize

        1024KB

      • memory/756-16-0x0000000000400000-0x0000000002C29000-memory.dmp

        Filesize

        40.2MB

      • memory/756-14-0x0000000004860000-0x0000000004887000-memory.dmp

        Filesize

        156KB

      • memory/1268-116-0x0000000072910000-0x0000000072A8B000-memory.dmp

        Filesize

        1.5MB

      • memory/1268-107-0x0000000072910000-0x0000000072A8B000-memory.dmp

        Filesize

        1.5MB

      • memory/1268-114-0x0000000072910000-0x0000000072A8B000-memory.dmp

        Filesize

        1.5MB

      • memory/1268-108-0x00007FFD1F510000-0x00007FFD1F705000-memory.dmp

        Filesize

        2.0MB

      • memory/3728-135-0x0000000004DF0000-0x0000000004E66000-memory.dmp

        Filesize

        472KB

      • memory/3728-137-0x0000000004CE0000-0x0000000004CEA000-memory.dmp

        Filesize

        40KB

      • memory/3728-161-0x0000000004ED0000-0x0000000004EE0000-memory.dmp

        Filesize

        64KB

      • memory/3728-160-0x00000000748F0000-0x00000000750A0000-memory.dmp

        Filesize

        7.7MB

      • memory/3728-159-0x00000000073A0000-0x00000000073AA000-memory.dmp

        Filesize

        40KB

      • memory/3728-140-0x0000000005B60000-0x0000000005BC6000-memory.dmp

        Filesize

        408KB

      • memory/3728-139-0x0000000005A70000-0x0000000005A8E000-memory.dmp

        Filesize

        120KB

      • memory/3728-138-0x0000000005F80000-0x00000000064AC000-memory.dmp

        Filesize

        5.2MB

      • memory/3728-136-0x0000000004E70000-0x0000000004EC0000-memory.dmp

        Filesize

        320KB

      • memory/3728-134-0x00000000050B0000-0x0000000005272000-memory.dmp

        Filesize

        1.8MB

      • memory/3728-125-0x0000000073630000-0x0000000074884000-memory.dmp

        Filesize

        18.3MB

      • memory/3728-129-0x0000000000610000-0x00000000006D6000-memory.dmp

        Filesize

        792KB

      • memory/3728-130-0x00000000748F0000-0x00000000750A0000-memory.dmp

        Filesize

        7.7MB

      • memory/3728-131-0x0000000004D50000-0x0000000004DE2000-memory.dmp

        Filesize

        584KB

      • memory/3728-132-0x00000000053A0000-0x0000000005944000-memory.dmp

        Filesize

        5.6MB

      • memory/3728-133-0x0000000004ED0000-0x0000000004EE0000-memory.dmp

        Filesize

        64KB

      • memory/4012-17-0x0000000000400000-0x0000000002C4D000-memory.dmp

        Filesize

        40.3MB

      • memory/4012-1-0x0000000002FB0000-0x00000000030B0000-memory.dmp

        Filesize

        1024KB

      • memory/4012-19-0x0000000002FB0000-0x00000000030B0000-memory.dmp

        Filesize

        1024KB

      • memory/4012-3-0x0000000000400000-0x0000000002C4D000-memory.dmp

        Filesize

        40.3MB

      • memory/4012-2-0x0000000002ED0000-0x0000000002F3D000-memory.dmp

        Filesize

        436KB

      • memory/4012-20-0x0000000002ED0000-0x0000000002F3D000-memory.dmp

        Filesize

        436KB

      • memory/4012-115-0x0000000000400000-0x0000000002C4D000-memory.dmp

        Filesize

        40.3MB

      • memory/5068-126-0x0000000072910000-0x0000000072A8B000-memory.dmp

        Filesize

        1.5MB

      • memory/5068-123-0x0000000072910000-0x0000000072A8B000-memory.dmp

        Filesize

        1.5MB

      • memory/5068-120-0x00007FFD1F510000-0x00007FFD1F705000-memory.dmp

        Filesize

        2.0MB

      • memory/5068-118-0x0000000072910000-0x0000000072A8B000-memory.dmp

        Filesize

        1.5MB

      • memory/5068-122-0x0000000072910000-0x0000000072A8B000-memory.dmp

        Filesize

        1.5MB