Analysis

  • max time kernel
    144s
  • max time network
    145s
  • 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 09:49

General

  • Target

    51e94d549fea3488fb890e3411191a8c6233051ac0ad74ecad330095983d2271.exe

  • Size

    411KB

  • MD5

    c29446e707ee153977b82e9a51800021

  • SHA1

    e07ce115e4d3fb9806ef53e6e263cf0b1619f101

  • SHA256

    51e94d549fea3488fb890e3411191a8c6233051ac0ad74ecad330095983d2271

  • SHA512

    1584e578dc2b626a10a54925194e5103809d6afef356aacbb636b3d6b1386d1322b2a0b0c03be7c888fc1cec048957801df707dd4a437035eabde0fc3ea02d38

  • SSDEEP

    6144:I+x1ShTyz9EqOq21LVVb7ZpK2FoICp+fGqhDbSe8Lbp779ZLzW6:9xo2X2xV1ZpKJICpZqR2bdhc6

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 7 IoCs
  • Suspicious behavior: MapViewOfSection 3 IoCs
  • Suspicious use of AdjustPrivilegeToken 1 IoCs
  • Suspicious use of SetWindowsHookEx 2 IoCs
  • Suspicious use of WriteProcessMemory 15 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\51e94d549fea3488fb890e3411191a8c6233051ac0ad74ecad330095983d2271.exe
    "C:\Users\Admin\AppData\Local\Temp\51e94d549fea3488fb890e3411191a8c6233051ac0ad74ecad330095983d2271.exe"
    1⤵
    • Checks computer location settings
    • Suspicious use of WriteProcessMemory
    PID:1056
    • C:\Users\Admin\AppData\Local\Temp\utc.0.exe
      "C:\Users\Admin\AppData\Local\Temp\utc.0.exe"
      2⤵
      • Executes dropped EXE
      PID:2744
      • C:\Windows\SysWOW64\WerFault.exe
        C:\Windows\SysWOW64\WerFault.exe -u -p 2744 -s 1288
        3⤵
        • Program crash
        PID:1180
    • C:\Users\Admin\AppData\Local\Temp\utc.2\run.exe
      "C:\Users\Admin\AppData\Local\Temp\utc.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:2168
      • 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:2680
        • C:\Windows\Microsoft.NET\Framework\v4.0.30319\MSBuild.exe
          C:\Windows\Microsoft.NET\Framework\v4.0.30319\MSBuild.exe
          4⤵
          • Suspicious use of AdjustPrivilegeToken
          PID:2580
    • C:\Windows\SysWOW64\WerFault.exe
      C:\Windows\SysWOW64\WerFault.exe -u -p 1056 -s 1380
      2⤵
      • Program crash
      PID:404
  • C:\Windows\SysWOW64\WerFault.exe
    C:\Windows\SysWOW64\WerFault.exe -pss -s 468 -p 1056 -ip 1056
    1⤵
      PID:3584
    • C:\Windows\SysWOW64\WerFault.exe
      C:\Windows\SysWOW64\WerFault.exe -pss -s 500 -p 2744 -ip 2744
      1⤵
        PID:1016

      Network

      MITRE ATT&CK Enterprise v15

      Replay Monitor

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      Downloads

      • C:\Users\Admin\AppData\Local\Temp\a27b71d2

        Filesize

        1.4MB

        MD5

        9d2573dc96ccd90b3dff15540740fc29

        SHA1

        e903f0348c765392340bb8850d0cdced6d3b5342

        SHA256

        5e4a103008e297dea73af4fedc3b0da82c2bfe39744ef24cbf4a6cebd57eea31

        SHA512

        48206bd84f2c48a59eaedb407233a131296a6095faa4d716655176e74c04af925a1dc180e9d3f816403936feff4b2b5c197529e0374e6b1a575c32f09f881a36

      • C:\Users\Admin\AppData\Local\Temp\tmpE0EC.tmp

        Filesize

        20KB

        MD5

        42c395b8db48b6ce3d34c301d1eba9d5

        SHA1

        b7cfa3de344814bec105391663c0df4a74310996

        SHA256

        5644546ecefc6786c7be5b1a89e935e640963ccd34b130f21baab9370cb9055d

        SHA512

        7b9214db96e9bec8745b4161a41c4c0520cdda9950f0cd3f12c7744227a25d639d07c0dd68b552cf1e032181c2e4f8297747f27bad6c7447b0f415a86bd82845

      • C:\Users\Admin\AppData\Local\Temp\tmpE10E.tmp

        Filesize

        20KB

        MD5

        49693267e0adbcd119f9f5e02adf3a80

        SHA1

        3ba3d7f89b8ad195ca82c92737e960e1f2b349df

        SHA256

        d76e7512e496b7c8d9fcd3010a55e2e566881dc6dacaf0343652a4915d47829f

        SHA512

        b4b9fcecf8d277bb0ccbb25e08f3559e3fc519d85d8761d8ad5bca983d04eb55a20d3b742b15b9b31a7c9187da40ad5c48baa7a54664cae4c40aa253165cbaa2

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

        Filesize

        272KB

        MD5

        c7e582c8ccd26abe15c2ed69e6567302

        SHA1

        cf86cd1b0011a27984d345c510b57532fb45eee0

        SHA256

        eba91a93433fa4a5a0aa29cf2b62c9acfa29776f829ce0e1392d27ca3e856725

        SHA512

        06676acb835d903ba5bbe16f047ba93da5079faaa124270c65792f902b9b5749df60e4b5bf39688cf0768a698ec87e7f92a2f77831053359294719f96e8a2d05

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

        Filesize

        3.7MB

        MD5

        78d3ca6355c93c72b494bb6a498bf639

        SHA1

        2fa4e5df74bfe75c207c881a1b0d3bc1c62c8b0e

        SHA256

        a1dd547a63b256aa6a16871ed03f8b025226f7617e67b8817a08444df077b001

        SHA512

        1b2df7bee2514aee7efd3579f5dd33c76b40606d07dba69a34c45747662fad61174db4931bca02b058830107959205e889fee74f8ccc9f6e03f9fd111761f4ea

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

        Filesize

        1.6MB

        MD5

        d1ba9412e78bfc98074c5d724a1a87d6

        SHA1

        0572f98d78fb0b366b5a086c2a74cc68b771d368

        SHA256

        cbcea8f28d8916219d1e8b0a8ca2db17e338eb812431bc4ad0cb36c06fd67f15

        SHA512

        8765de36d3824b12c0a4478c31b985878d4811bd0e5b6fba4ea07f8c76340bd66a2da3490d4871b95d9a12f96efc25507dfd87f431de211664dbe9a9c914af6f

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

        Filesize

        1.3MB

        MD5

        1e8237d3028ab52821d69099e0954f97

        SHA1

        30a6ae353adda0c471c6ed5b7a2458b07185abf2

        SHA256

        9387488f9d338e211be2cb45109bf590a5070180bc0d4a703f70d3cb3c4e1742

        SHA512

        a6406d7c18694ee014d59df581f1f76e980b68e3361ae680dc979606a423eba48d35e37f143154dd97fe5f066baf0ea51a2e9f8bc822d593e1cba70ead6559f3

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

        Filesize

        1.5MB

        MD5

        10d51becd0bbce0fab147ff9658c565e

        SHA1

        4689a18112ff876d3c066bc8c14a08fd6b7b7a4a

        SHA256

        7b2db9c88f60ed6dd24b1dec321a304564780fdb191a96ec35c051856128f1ed

        SHA512

        29faf493bb28f7842c905adc5312f31741effb09f841059b53d73b22aea2c4d41d73db10bbf37703d6aeb936ffacbc756a3cc85ba3c0b6a6863ef4d27fefcd29

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

        Filesize

        2.4MB

        MD5

        9fb4770ced09aae3b437c1c6eb6d7334

        SHA1

        fe54b31b0db8665aa5b22bed147e8295afc88a03

        SHA256

        a05b592a971fe5011554013bcfe9a4aaf9cfc633bdd1fe3a8197f213d557b8d3

        SHA512

        140fee6daf23fe8b7e441b3b4de83554af804f00ecedc421907a385ac79a63164bd9f28b4be061c2ea2262755d85e14d3a8e7dc910547837b664d78d93667256

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

        Filesize

        85KB

        MD5

        a723bf46048e0bfb15b8d77d7a648c3e

        SHA1

        8952d3c34e9341e4425571e10f22b782695bb915

        SHA256

        b440170853bdb43b66497f701aee2901080326975140b095a1669cb9dee13422

        SHA512

        ca8ea2f7f3c7af21b5673a0a3f2611b6580a7ed02efa2cfd8b343eb644ff09682bde43b25ef7aab68530d5ce31dcbd252c382dd336ecb610d4c4ebde78347273

      • memory/1056-1-0x0000000000A20000-0x0000000000B20000-memory.dmp

        Filesize

        1024KB

      • memory/1056-3-0x0000000000400000-0x0000000000869000-memory.dmp

        Filesize

        4.4MB

      • memory/1056-109-0x0000000000400000-0x0000000000869000-memory.dmp

        Filesize

        4.4MB

      • memory/1056-110-0x00000000025D0000-0x000000000263D000-memory.dmp

        Filesize

        436KB

      • memory/1056-2-0x00000000025D0000-0x000000000263D000-memory.dmp

        Filesize

        436KB

      • memory/2168-112-0x0000000072A50000-0x0000000072BCB000-memory.dmp

        Filesize

        1.5MB

      • memory/2168-101-0x0000000072A50000-0x0000000072BCB000-memory.dmp

        Filesize

        1.5MB

      • memory/2168-102-0x00007FFB75AD0000-0x00007FFB75CC5000-memory.dmp

        Filesize

        2.0MB

      • memory/2168-108-0x0000000072A50000-0x0000000072BCB000-memory.dmp

        Filesize

        1.5MB

      • memory/2580-128-0x0000000005C10000-0x00000000061B4000-memory.dmp

        Filesize

        5.6MB

      • memory/2580-122-0x0000000073960000-0x0000000074BB4000-memory.dmp

        Filesize

        18.3MB

      • memory/2580-156-0x0000000005780000-0x0000000005790000-memory.dmp

        Filesize

        64KB

      • memory/2580-155-0x00000000730A0000-0x0000000073850000-memory.dmp

        Filesize

        7.7MB

      • memory/2580-136-0x0000000006330000-0x0000000006396000-memory.dmp

        Filesize

        408KB

      • memory/2580-135-0x0000000005B50000-0x0000000005B6E000-memory.dmp

        Filesize

        120KB

      • memory/2580-134-0x00000000067F0000-0x0000000006D1C000-memory.dmp

        Filesize

        5.2MB

      • memory/2580-132-0x0000000005660000-0x00000000056B0000-memory.dmp

        Filesize

        320KB

      • memory/2580-126-0x00000000730A0000-0x0000000073850000-memory.dmp

        Filesize

        7.7MB

      • memory/2580-125-0x0000000000F00000-0x0000000000FC6000-memory.dmp

        Filesize

        792KB

      • memory/2580-127-0x0000000005550000-0x00000000055E2000-memory.dmp

        Filesize

        584KB

      • memory/2580-133-0x0000000005510000-0x000000000551A000-memory.dmp

        Filesize

        40KB

      • memory/2580-129-0x0000000005780000-0x0000000005790000-memory.dmp

        Filesize

        64KB

      • memory/2580-130-0x0000000005960000-0x0000000005B22000-memory.dmp

        Filesize

        1.8MB

      • memory/2580-131-0x00000000056E0000-0x0000000005756000-memory.dmp

        Filesize

        472KB

      • memory/2680-121-0x0000000072A50000-0x0000000072BCB000-memory.dmp

        Filesize

        1.5MB

      • memory/2680-114-0x0000000072A50000-0x0000000072BCB000-memory.dmp

        Filesize

        1.5MB

      • memory/2680-119-0x0000000072A50000-0x0000000072BCB000-memory.dmp

        Filesize

        1.5MB

      • memory/2680-118-0x0000000072A50000-0x0000000072BCB000-memory.dmp

        Filesize

        1.5MB

      • memory/2680-116-0x00007FFB75AD0000-0x00007FFB75CC5000-memory.dmp

        Filesize

        2.0MB

      • memory/2744-73-0x0000000000400000-0x0000000002C27000-memory.dmp

        Filesize

        40.2MB

      • memory/2744-14-0x0000000002D90000-0x0000000002DB7000-memory.dmp

        Filesize

        156KB

      • memory/2744-13-0x0000000002E00000-0x0000000002F00000-memory.dmp

        Filesize

        1024KB

      • memory/2744-111-0x0000000000400000-0x0000000002C27000-memory.dmp

        Filesize

        40.2MB