Analysis

  • max time kernel
    135s
  • max time network
    151s
  • 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 19:30

General

  • Target

    74390c498c58e00ba83dca9f7491bf9862820c19d43620b106eb04738bb0435e.exe

  • Size

    397KB

  • MD5

    834d9998a59cc711d68b1af3dd829c48

  • SHA1

    6e1fb486a22c233ff834bfaac4714f8d7be97fe5

  • SHA256

    74390c498c58e00ba83dca9f7491bf9862820c19d43620b106eb04738bb0435e

  • SHA512

    13318cbc6c1a073e9584400f52e65e4f438980ad798825707f3d958642c064a390c786ede5246c81d8ff58b401f0ef68689b91f8691d73064d5a8eac8a7e2f7a

  • SSDEEP

    6144:446BCHI5Wdd6OcSXBVBQrUHwGuJWOb+VOpMfwuUoda:b6BwzmOcWBVurURuJWEMYPMa

Malware Config

Signatures

  • Detect ZGRat V1 3 IoCs
  • SectopRAT

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

  • SectopRAT payload 2 IoCs
  • Stealc

    Stealc is an infostealer written in C++.

  • ZGRat

    ZGRat is remote access trojan written in C#.

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

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

  • Executes dropped EXE 3 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
  • Checks SCSI registry key(s) 3 TTPs 3 IoCs

    SCSI information is often read in order to detect sandboxing environments.

  • Suspicious behavior: EnumeratesProcesses 32 IoCs
  • Suspicious behavior: MapViewOfSection 3 IoCs
  • Suspicious use of AdjustPrivilegeToken 2 IoCs
  • Suspicious use of FindShellTrayWindow 7 IoCs
  • Suspicious use of SendNotifyMessage 7 IoCs
  • Suspicious use of SetWindowsHookEx 2 IoCs
  • Suspicious use of WriteProcessMemory 20 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\74390c498c58e00ba83dca9f7491bf9862820c19d43620b106eb04738bb0435e.exe
    "C:\Users\Admin\AppData\Local\Temp\74390c498c58e00ba83dca9f7491bf9862820c19d43620b106eb04738bb0435e.exe"
    1⤵
    • Checks computer location settings
    • Suspicious use of WriteProcessMemory
    PID:4268
    • C:\Users\Admin\AppData\Local\Temp\u3ak.0.exe
      "C:\Users\Admin\AppData\Local\Temp\u3ak.0.exe"
      2⤵
      • Executes dropped EXE
      PID:2284
      • C:\Windows\SysWOW64\WerFault.exe
        C:\Windows\SysWOW64\WerFault.exe -u -p 2284 -s 1016
        3⤵
        • Program crash
        PID:2000
    • C:\Users\Admin\AppData\Local\Temp\u3ak.2\run.exe
      "C:\Users\Admin\AppData\Local\Temp\u3ak.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:1576
      • 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:3872
        • 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:4648
    • C:\Users\Admin\AppData\Local\Temp\u3ak.3.exe
      "C:\Users\Admin\AppData\Local\Temp\u3ak.3.exe"
      2⤵
      • Checks computer location settings
      • Executes dropped EXE
      • Checks SCSI registry key(s)
      • Suspicious use of FindShellTrayWindow
      • Suspicious use of SendNotifyMessage
      • Suspicious use of WriteProcessMemory
      PID:4472
      • C:\Users\Admin\AppData\Local\Temp\iolo\dm\SystemMechanic_5488CB36-BE62-4606-B07B-2EE938868BD1.exe
        "C:\Users\Admin\AppData\Local\Temp\iolo\dm\SystemMechanic_5488CB36-BE62-4606-B07B-2EE938868BD1.exe" /eieci=11A12794-499E-4FA0-A281-A9A9AA8B2685 /eipi=5488CB36-BE62-4606-B07B-2EE938868BD1
        3⤵
        • Suspicious behavior: EnumeratesProcesses
        • Suspicious use of AdjustPrivilegeToken
        PID:2476
    • C:\Windows\SysWOW64\WerFault.exe
      C:\Windows\SysWOW64\WerFault.exe -u -p 4268 -s 1732
      2⤵
      • Program crash
      PID:2260
  • C:\Windows\SysWOW64\WerFault.exe
    C:\Windows\SysWOW64\WerFault.exe -pss -s 452 -p 2284 -ip 2284
    1⤵
      PID:4844
    • C:\Windows\SysWOW64\WerFault.exe
      C:\Windows\SysWOW64\WerFault.exe -pss -s 492 -p 4268 -ip 4268
      1⤵
        PID:4356

      Network

      MITRE ATT&CK Enterprise v15

      Replay Monitor

      Loading Replay Monitor...

      Downloads

      • C:\Users\Admin\AppData\Local\Temp\916782d9

        Filesize

        1.4MB

        MD5

        83d304615a4a1c84a84cb47a6351add1

        SHA1

        42b7a6a5400230f73f4be440bfbed1d47294feca

        SHA256

        1e27fd788fa45ea5eb3134ada8627e1725d315ba9a252396deeae5ec7c0bc12b

        SHA512

        026049d212e4b51a236831f417c46c8c4036292050f58c685834058527e6b5bd676da67a0561e2a5473b3b4d3a3c30471e9ba3ee59e30afc546c73f1f3b6b300

      • C:\Users\Admin\AppData\Local\Temp\tmp68C9.tmp

        Filesize

        20KB

        MD5

        42c395b8db48b6ce3d34c301d1eba9d5

        SHA1

        b7cfa3de344814bec105391663c0df4a74310996

        SHA256

        5644546ecefc6786c7be5b1a89e935e640963ccd34b130f21baab9370cb9055d

        SHA512

        7b9214db96e9bec8745b4161a41c4c0520cdda9950f0cd3f12c7744227a25d639d07c0dd68b552cf1e032181c2e4f8297747f27bad6c7447b0f415a86bd82845

      • C:\Users\Admin\AppData\Local\Temp\tmp68EB.tmp

        Filesize

        20KB

        MD5

        49693267e0adbcd119f9f5e02adf3a80

        SHA1

        3ba3d7f89b8ad195ca82c92737e960e1f2b349df

        SHA256

        d76e7512e496b7c8d9fcd3010a55e2e566881dc6dacaf0343652a4915d47829f

        SHA512

        b4b9fcecf8d277bb0ccbb25e08f3559e3fc519d85d8761d8ad5bca983d04eb55a20d3b742b15b9b31a7c9187da40ad5c48baa7a54664cae4c40aa253165cbaa2

      • C:\Users\Admin\AppData\Local\Temp\u3ak.0.exe

        Filesize

        252KB

        MD5

        f9f0b2b6c628789336ab905f82269982

        SHA1

        3d98fff19ff36e1bb307e885bc22bf7d2e84e941

        SHA256

        c33bc714fc0af2273157acd48be009b787742f2711fd6d5f81fc0c85a54a4e41

        SHA512

        b9e64e0b46abd7cfabb9e03a83d31a70b28f4a5388d42702b1c8a1e45e576e6dd115148b0629c7ff625fbe88357a334210437ae61f1b8ec73c2949e87495a4fe

      • C:\Users\Admin\AppData\Local\Temp\u3ak.1.zip

        Filesize

        3.7MB

        MD5

        78d3ca6355c93c72b494bb6a498bf639

        SHA1

        2fa4e5df74bfe75c207c881a1b0d3bc1c62c8b0e

        SHA256

        a1dd547a63b256aa6a16871ed03f8b025226f7617e67b8817a08444df077b001

        SHA512

        1b2df7bee2514aee7efd3579f5dd33c76b40606d07dba69a34c45747662fad61174db4931bca02b058830107959205e889fee74f8ccc9f6e03f9fd111761f4ea

      • C:\Users\Admin\AppData\Local\Temp\u3ak.2\UIxMarketPlugin.dll

        Filesize

        1.6MB

        MD5

        d1ba9412e78bfc98074c5d724a1a87d6

        SHA1

        0572f98d78fb0b366b5a086c2a74cc68b771d368

        SHA256

        cbcea8f28d8916219d1e8b0a8ca2db17e338eb812431bc4ad0cb36c06fd67f15

        SHA512

        8765de36d3824b12c0a4478c31b985878d4811bd0e5b6fba4ea07f8c76340bd66a2da3490d4871b95d9a12f96efc25507dfd87f431de211664dbe9a9c914af6f

      • C:\Users\Admin\AppData\Local\Temp\u3ak.2\bunch.dat

        Filesize

        1.3MB

        MD5

        1e8237d3028ab52821d69099e0954f97

        SHA1

        30a6ae353adda0c471c6ed5b7a2458b07185abf2

        SHA256

        9387488f9d338e211be2cb45109bf590a5070180bc0d4a703f70d3cb3c4e1742

        SHA512

        a6406d7c18694ee014d59df581f1f76e980b68e3361ae680dc979606a423eba48d35e37f143154dd97fe5f066baf0ea51a2e9f8bc822d593e1cba70ead6559f3

      • C:\Users\Admin\AppData\Local\Temp\u3ak.2\relay.dll

        Filesize

        1.5MB

        MD5

        10d51becd0bbce0fab147ff9658c565e

        SHA1

        4689a18112ff876d3c066bc8c14a08fd6b7b7a4a

        SHA256

        7b2db9c88f60ed6dd24b1dec321a304564780fdb191a96ec35c051856128f1ed

        SHA512

        29faf493bb28f7842c905adc5312f31741effb09f841059b53d73b22aea2c4d41d73db10bbf37703d6aeb936ffacbc756a3cc85ba3c0b6a6863ef4d27fefcd29

      • C:\Users\Admin\AppData\Local\Temp\u3ak.2\run.exe

        Filesize

        2.4MB

        MD5

        9fb4770ced09aae3b437c1c6eb6d7334

        SHA1

        fe54b31b0db8665aa5b22bed147e8295afc88a03

        SHA256

        a05b592a971fe5011554013bcfe9a4aaf9cfc633bdd1fe3a8197f213d557b8d3

        SHA512

        140fee6daf23fe8b7e441b3b4de83554af804f00ecedc421907a385ac79a63164bd9f28b4be061c2ea2262755d85e14d3a8e7dc910547837b664d78d93667256

      • C:\Users\Admin\AppData\Local\Temp\u3ak.2\whale.dbf

        Filesize

        85KB

        MD5

        a723bf46048e0bfb15b8d77d7a648c3e

        SHA1

        8952d3c34e9341e4425571e10f22b782695bb915

        SHA256

        b440170853bdb43b66497f701aee2901080326975140b095a1669cb9dee13422

        SHA512

        ca8ea2f7f3c7af21b5673a0a3f2611b6580a7ed02efa2cfd8b343eb644ff09682bde43b25ef7aab68530d5ce31dcbd252c382dd336ecb610d4c4ebde78347273

      • C:\Users\Admin\AppData\Local\Temp\u3ak.3.exe

        Filesize

        4.6MB

        MD5

        397926927bca55be4a77839b1c44de6e

        SHA1

        e10f3434ef3021c399dbba047832f02b3c898dbd

        SHA256

        4f07e1095cc915b2d46eb149d1c3be14f3f4b4bd2742517265947fd23bdca5a7

        SHA512

        cf54136b977fc8af7e8746d78676d0d464362a8cfa2213e392487003b5034562ee802e6911760b98a847bddd36ad664f32d849af84d7e208d4648bd97a2fa954

      • memory/1576-109-0x0000000072A70000-0x0000000072BEB000-memory.dmp

        Filesize

        1.5MB

      • memory/1576-133-0x0000000072A70000-0x0000000072BEB000-memory.dmp

        Filesize

        1.5MB

      • memory/1576-102-0x0000000072A70000-0x0000000072BEB000-memory.dmp

        Filesize

        1.5MB

      • memory/1576-103-0x00007FF86AAD0000-0x00007FF86ACC5000-memory.dmp

        Filesize

        2.0MB

      • memory/2284-13-0x0000000002F90000-0x0000000003090000-memory.dmp

        Filesize

        1024KB

      • memory/2284-76-0x0000000000400000-0x0000000002C22000-memory.dmp

        Filesize

        40.1MB

      • memory/2284-15-0x0000000000400000-0x0000000002C22000-memory.dmp

        Filesize

        40.1MB

      • memory/2284-14-0x0000000002EC0000-0x0000000002EE7000-memory.dmp

        Filesize

        156KB

      • memory/2476-169-0x00000238D1610000-0x00000238D1620000-memory.dmp

        Filesize

        64KB

      • memory/2476-179-0x00000238EBE60000-0x00000238EBEC2000-memory.dmp

        Filesize

        392KB

      • memory/2476-242-0x00000238D1610000-0x00000238D1620000-memory.dmp

        Filesize

        64KB

      • memory/2476-202-0x00000238F1280000-0x00000238F12A2000-memory.dmp

        Filesize

        136KB

      • memory/2476-243-0x00000238D1610000-0x00000238D1620000-memory.dmp

        Filesize

        64KB

      • memory/2476-199-0x00000238F11C0000-0x00000238F11CC000-memory.dmp

        Filesize

        48KB

      • memory/2476-222-0x00007FF84A800000-0x00007FF84B2C1000-memory.dmp

        Filesize

        10.8MB

      • memory/2476-167-0x00007FF84A800000-0x00007FF84B2C1000-memory.dmp

        Filesize

        10.8MB

      • memory/2476-198-0x00000238F1230000-0x00000238F1280000-memory.dmp

        Filesize

        320KB

      • memory/2476-168-0x00000238CD970000-0x00000238D1268000-memory.dmp

        Filesize

        57.0MB

      • memory/2476-203-0x00000238F1210000-0x00000238F122E000-memory.dmp

        Filesize

        120KB

      • memory/2476-170-0x00000238EBAE0000-0x00000238EBBF0000-memory.dmp

        Filesize

        1.1MB

      • memory/2476-171-0x00000238D30D0000-0x00000238D30E0000-memory.dmp

        Filesize

        64KB

      • memory/2476-172-0x00000238D30F0000-0x00000238D30FC000-memory.dmp

        Filesize

        48KB

      • memory/2476-173-0x00000238D30E0000-0x00000238D30F4000-memory.dmp

        Filesize

        80KB

      • memory/2476-174-0x00000238D3140000-0x00000238D3164000-memory.dmp

        Filesize

        144KB

      • memory/2476-175-0x00000238D3160000-0x00000238D316A000-memory.dmp

        Filesize

        40KB

      • memory/2476-177-0x00000238EBD30000-0x00000238EBDE2000-memory.dmp

        Filesize

        712KB

      • memory/2476-176-0x00000238EBA90000-0x00000238EBABA000-memory.dmp

        Filesize

        168KB

      • memory/2476-241-0x00000238D1610000-0x00000238D1620000-memory.dmp

        Filesize

        64KB

      • memory/2476-178-0x00000238EBDE0000-0x00000238EBE5A000-memory.dmp

        Filesize

        488KB

      • memory/2476-180-0x00000238EBF40000-0x00000238EBFB6000-memory.dmp

        Filesize

        472KB

      • memory/2476-181-0x00000238D3170000-0x00000238D317A000-memory.dmp

        Filesize

        40KB

      • memory/2476-185-0x00000238EBFC0000-0x00000238EC2C0000-memory.dmp

        Filesize

        3.0MB

      • memory/2476-187-0x00000238D1610000-0x00000238D1620000-memory.dmp

        Filesize

        64KB

      • memory/2476-190-0x00000238D1610000-0x00000238D1620000-memory.dmp

        Filesize

        64KB

      • memory/2476-189-0x00000238F09A0000-0x00000238F09A8000-memory.dmp

        Filesize

        32KB

      • memory/2476-188-0x00000238D1610000-0x00000238D1620000-memory.dmp

        Filesize

        64KB

      • memory/2476-191-0x00000238F02E0000-0x00000238F0318000-memory.dmp

        Filesize

        224KB

      • memory/2476-192-0x00000238F02B0000-0x00000238F02BE000-memory.dmp

        Filesize

        56KB

      • memory/2476-193-0x00000238F11B0000-0x00000238F11BA000-memory.dmp

        Filesize

        40KB

      • memory/2476-194-0x00000238F1460000-0x00000238F1482000-memory.dmp

        Filesize

        136KB

      • memory/2476-195-0x00000238F19B0000-0x00000238F1ED8000-memory.dmp

        Filesize

        5.2MB

      • memory/3872-207-0x0000000072A70000-0x0000000072BEB000-memory.dmp

        Filesize

        1.5MB

      • memory/3872-152-0x00007FF86AAD0000-0x00007FF86ACC5000-memory.dmp

        Filesize

        2.0MB

      • memory/3872-200-0x0000000072A70000-0x0000000072BEB000-memory.dmp

        Filesize

        1.5MB

      • memory/3872-201-0x0000000072A70000-0x0000000072BEB000-memory.dmp

        Filesize

        1.5MB

      • memory/3872-135-0x0000000072A70000-0x0000000072BEB000-memory.dmp

        Filesize

        1.5MB

      • memory/4268-128-0x00000000030E0000-0x000000000314D000-memory.dmp

        Filesize

        436KB

      • memory/4268-2-0x00000000030E0000-0x000000000314D000-memory.dmp

        Filesize

        436KB

      • memory/4268-3-0x0000000000400000-0x0000000002C46000-memory.dmp

        Filesize

        40.3MB

      • memory/4268-121-0x0000000000400000-0x0000000002C46000-memory.dmp

        Filesize

        40.3MB

      • memory/4268-1-0x0000000002C70000-0x0000000002D70000-memory.dmp

        Filesize

        1024KB

      • memory/4472-154-0x0000000000400000-0x00000000008AD000-memory.dmp

        Filesize

        4.7MB

      • memory/4472-124-0x00000000025A0000-0x00000000025A1000-memory.dmp

        Filesize

        4KB

      • memory/4472-166-0x0000000000400000-0x00000000008AD000-memory.dmp

        Filesize

        4.7MB

      • memory/4648-213-0x0000000005350000-0x00000000058F4000-memory.dmp

        Filesize

        5.6MB

      • memory/4648-215-0x0000000005020000-0x00000000051E2000-memory.dmp

        Filesize

        1.8MB

      • memory/4648-217-0x0000000004ED0000-0x0000000004F20000-memory.dmp

        Filesize

        320KB

      • memory/4648-218-0x0000000004DA0000-0x0000000004DAA000-memory.dmp

        Filesize

        40KB

      • memory/4648-219-0x0000000005F30000-0x000000000645C000-memory.dmp

        Filesize

        5.2MB

      • memory/4648-220-0x0000000005A20000-0x0000000005A3E000-memory.dmp

        Filesize

        120KB

      • memory/4648-221-0x0000000005B00000-0x0000000005B66000-memory.dmp

        Filesize

        408KB

      • memory/4648-216-0x0000000004E50000-0x0000000004EC6000-memory.dmp

        Filesize

        472KB

      • memory/4648-214-0x0000000004E40000-0x0000000004E50000-memory.dmp

        Filesize

        64KB

      • memory/4648-212-0x0000000004D00000-0x0000000004D92000-memory.dmp

        Filesize

        584KB

      • memory/4648-211-0x0000000074920000-0x00000000750D0000-memory.dmp

        Filesize

        7.7MB

      • memory/4648-210-0x0000000000630000-0x00000000006F6000-memory.dmp

        Filesize

        792KB

      • memory/4648-206-0x0000000071810000-0x0000000072A64000-memory.dmp

        Filesize

        18.3MB

      • memory/4648-244-0x0000000074920000-0x00000000750D0000-memory.dmp

        Filesize

        7.7MB

      • memory/4648-245-0x0000000004E40000-0x0000000004E50000-memory.dmp

        Filesize

        64KB