Analysis

  • max time kernel
    150s
  • max time network
    151s
  • platform
    windows11-21h2_x64
  • resource
    win11-20240426-en
  • resource tags

    arch:x64arch:x86image:win11-20240426-enlocale:en-usos:windows11-21h2-x64system
  • submitted
    26-04-2024 20:30

General

  • Target

    1c602724dba50ac83918d0977379dedfeaeb1bd79ec0825ca9014737e699c63b.exe

  • Size

    449KB

  • MD5

    56ff04ac38dc5947b486ff40fec32a9a

  • SHA1

    cb3ad8a9c85dd64f1a54e784ab3ae40260de856d

  • SHA256

    1c602724dba50ac83918d0977379dedfeaeb1bd79ec0825ca9014737e699c63b

  • SHA512

    b509c339484b35aaa507d59c45cf84bc641b67ef0efbdeb61a84b02b86da1d14c8ef3112c788a4824cd5f14a32b795975cf9c2eeeb1aa20e3aedbdee583863aa

  • SSDEEP

    12288:UguknPtI9oifhEvyzH3Ig4t5Ri3zg8kQAX6YK:znFRiySH3Ilt5Ri3rkT6Y

Malware Config

Signatures

  • SectopRAT

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

  • SectopRAT payload 1 IoCs
  • Downloads MZ/PE file
  • Executes dropped EXE 2 IoCs
  • Loads dropped DLL 1 IoCs
  • Checks installed software on the system 1 TTPs

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

  • Suspicious use of SetThreadContext 2 IoCs
  • Enumerates physical storage devices 1 TTPs

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

  • Program crash 1 IoCs
  • Checks processor information in registry 2 TTPs 2 IoCs

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

  • Suspicious behavior: EnumeratesProcesses 7 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\1c602724dba50ac83918d0977379dedfeaeb1bd79ec0825ca9014737e699c63b.exe
    "C:\Users\Admin\AppData\Local\Temp\1c602724dba50ac83918d0977379dedfeaeb1bd79ec0825ca9014737e699c63b.exe"
    1⤵
    • Suspicious use of WriteProcessMemory
    PID:2996
    • C:\Users\Admin\AppData\Local\Temp\u2b8.0.exe
      "C:\Users\Admin\AppData\Local\Temp\u2b8.0.exe"
      2⤵
      • Executes dropped EXE
      • Checks processor information in registry
      • Suspicious behavior: EnumeratesProcesses
      PID:1924
    • C:\Users\Admin\AppData\Local\Temp\u2b8.2\run.exe
      "C:\Users\Admin\AppData\Local\Temp\u2b8.2\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:2876
      • 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:3884
        • 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:3612
    • C:\Windows\SysWOW64\WerFault.exe
      C:\Windows\SysWOW64\WerFault.exe -u -p 2996 -s 1628
      2⤵
      • Program crash
      PID:4692
  • C:\Windows\SysWOW64\WerFault.exe
    C:\Windows\SysWOW64\WerFault.exe -pss -s 436 -p 2996 -ip 2996
    1⤵
      PID:4736

    Network

    MITRE ATT&CK Enterprise v15

    Replay Monitor

    Loading Replay Monitor...

    Downloads

    • C:\Users\Admin\AppData\Local\Temp\d72d669f

      Filesize

      1.4MB

      MD5

      74ed3b83eb97d305108b25f581edae6c

      SHA1

      e5423fc3e715ba251c53bd80767edf2c750e4dbc

      SHA256

      b5caf1128ab5002167db6e9606c8b38616d00dd903218a126d643da8b609f1ed

      SHA512

      6509789c3f05934eead4293813154ab70be6ff18e9ad56a7cc58351d3af1c1cc9f102d2bce101731c74c151637c48f67fb44940d38546b9ed81d92cf33084676

    • C:\Users\Admin\AppData\Local\Temp\tmp1BC2.tmp

      Filesize

      20KB

      MD5

      42c395b8db48b6ce3d34c301d1eba9d5

      SHA1

      b7cfa3de344814bec105391663c0df4a74310996

      SHA256

      5644546ecefc6786c7be5b1a89e935e640963ccd34b130f21baab9370cb9055d

      SHA512

      7b9214db96e9bec8745b4161a41c4c0520cdda9950f0cd3f12c7744227a25d639d07c0dd68b552cf1e032181c2e4f8297747f27bad6c7447b0f415a86bd82845

    • C:\Users\Admin\AppData\Local\Temp\tmp1BF4.tmp

      Filesize

      20KB

      MD5

      22be08f683bcc01d7a9799bbd2c10041

      SHA1

      2efb6041cf3d6e67970135e592569c76fc4c41de

      SHA256

      451c2c0cf3b7cb412a05347c6e75ed8680f0d2e5f2ab0f64cc2436db9309a457

      SHA512

      0eef192b3d5abe5d2435acf54b42c729c3979e4ad0b73d36666521458043ee7df1e10386bef266d7df9c31db94fb2833152bb2798936cb2082715318ef05d936

    • C:\Users\Admin\AppData\Local\Temp\u2b8.0.exe

      Filesize

      305KB

      MD5

      1427aa25af7a45c5b9916622cf6ebf40

      SHA1

      705e11a5566fee8f97e1df539317610425325c4e

      SHA256

      773843d85c034a719c925910c85ca16eeecd515c49acb05ab7381a57a7c53fc7

      SHA512

      f5619f49f79374f4d65b4cd63b65e626e1488fda15084f88533043deeeaad9eab456d991600b9df159b8303564d1f66474ca81d9e7cbd25bfeede33e5f2dda51

    • C:\Users\Admin\AppData\Local\Temp\u2b8.1.zip

      Filesize

      3.7MB

      MD5

      78d3ca6355c93c72b494bb6a498bf639

      SHA1

      2fa4e5df74bfe75c207c881a1b0d3bc1c62c8b0e

      SHA256

      a1dd547a63b256aa6a16871ed03f8b025226f7617e67b8817a08444df077b001

      SHA512

      1b2df7bee2514aee7efd3579f5dd33c76b40606d07dba69a34c45747662fad61174db4931bca02b058830107959205e889fee74f8ccc9f6e03f9fd111761f4ea

    • C:\Users\Admin\AppData\Local\Temp\u2b8.2\UIxMarketPlugin.dll

      Filesize

      1.6MB

      MD5

      d1ba9412e78bfc98074c5d724a1a87d6

      SHA1

      0572f98d78fb0b366b5a086c2a74cc68b771d368

      SHA256

      cbcea8f28d8916219d1e8b0a8ca2db17e338eb812431bc4ad0cb36c06fd67f15

      SHA512

      8765de36d3824b12c0a4478c31b985878d4811bd0e5b6fba4ea07f8c76340bd66a2da3490d4871b95d9a12f96efc25507dfd87f431de211664dbe9a9c914af6f

    • C:\Users\Admin\AppData\Local\Temp\u2b8.2\bunch.dat

      Filesize

      1.3MB

      MD5

      1e8237d3028ab52821d69099e0954f97

      SHA1

      30a6ae353adda0c471c6ed5b7a2458b07185abf2

      SHA256

      9387488f9d338e211be2cb45109bf590a5070180bc0d4a703f70d3cb3c4e1742

      SHA512

      a6406d7c18694ee014d59df581f1f76e980b68e3361ae680dc979606a423eba48d35e37f143154dd97fe5f066baf0ea51a2e9f8bc822d593e1cba70ead6559f3

    • C:\Users\Admin\AppData\Local\Temp\u2b8.2\relay.dll

      Filesize

      1.5MB

      MD5

      10d51becd0bbce0fab147ff9658c565e

      SHA1

      4689a18112ff876d3c066bc8c14a08fd6b7b7a4a

      SHA256

      7b2db9c88f60ed6dd24b1dec321a304564780fdb191a96ec35c051856128f1ed

      SHA512

      29faf493bb28f7842c905adc5312f31741effb09f841059b53d73b22aea2c4d41d73db10bbf37703d6aeb936ffacbc756a3cc85ba3c0b6a6863ef4d27fefcd29

    • C:\Users\Admin\AppData\Local\Temp\u2b8.2\run.exe

      Filesize

      2.4MB

      MD5

      9fb4770ced09aae3b437c1c6eb6d7334

      SHA1

      fe54b31b0db8665aa5b22bed147e8295afc88a03

      SHA256

      a05b592a971fe5011554013bcfe9a4aaf9cfc633bdd1fe3a8197f213d557b8d3

      SHA512

      140fee6daf23fe8b7e441b3b4de83554af804f00ecedc421907a385ac79a63164bd9f28b4be061c2ea2262755d85e14d3a8e7dc910547837b664d78d93667256

    • C:\Users\Admin\AppData\Local\Temp\u2b8.2\whale.dbf

      Filesize

      85KB

      MD5

      a723bf46048e0bfb15b8d77d7a648c3e

      SHA1

      8952d3c34e9341e4425571e10f22b782695bb915

      SHA256

      b440170853bdb43b66497f701aee2901080326975140b095a1669cb9dee13422

      SHA512

      ca8ea2f7f3c7af21b5673a0a3f2611b6580a7ed02efa2cfd8b343eb644ff09682bde43b25ef7aab68530d5ce31dcbd252c382dd336ecb610d4c4ebde78347273

    • memory/1924-109-0x0000000000400000-0x000000000403D000-memory.dmp

      Filesize

      60.2MB

    • memory/1924-126-0x0000000000400000-0x000000000403D000-memory.dmp

      Filesize

      60.2MB

    • memory/1924-158-0x0000000000400000-0x000000000403D000-memory.dmp

      Filesize

      60.2MB

    • memory/1924-155-0x0000000000400000-0x000000000403D000-memory.dmp

      Filesize

      60.2MB

    • memory/1924-152-0x0000000000400000-0x000000000403D000-memory.dmp

      Filesize

      60.2MB

    • memory/2876-99-0x00007FF85AEE0000-0x00007FF85B0E9000-memory.dmp

      Filesize

      2.0MB

    • memory/2876-107-0x0000000072540000-0x00000000726BD000-memory.dmp

      Filesize

      1.5MB

    • memory/2876-98-0x0000000072540000-0x00000000726BD000-memory.dmp

      Filesize

      1.5MB

    • memory/2996-106-0x0000000000400000-0x0000000004061000-memory.dmp

      Filesize

      60.4MB

    • memory/2996-2-0x0000000005DB0000-0x0000000005E1D000-memory.dmp

      Filesize

      436KB

    • memory/2996-3-0x0000000000400000-0x0000000004061000-memory.dmp

      Filesize

      60.4MB

    • memory/2996-1-0x00000000042D0000-0x00000000043D0000-memory.dmp

      Filesize

      1024KB

    • memory/3612-117-0x0000000070FC0000-0x00000000722D7000-memory.dmp

      Filesize

      19.1MB

    • memory/3612-124-0x0000000005520000-0x0000000005596000-memory.dmp

      Filesize

      472KB

    • memory/3612-125-0x00000000055F0000-0x0000000005640000-memory.dmp

      Filesize

      320KB

    • memory/3612-123-0x0000000005670000-0x0000000005832000-memory.dmp

      Filesize

      1.8MB

    • memory/3612-127-0x00000000053E0000-0x00000000053EA000-memory.dmp

      Filesize

      40KB

    • memory/3612-128-0x0000000006630000-0x0000000006B5C000-memory.dmp

      Filesize

      5.2MB

    • memory/3612-129-0x0000000006100000-0x000000000611E000-memory.dmp

      Filesize

      120KB

    • memory/3612-130-0x00000000061C0000-0x0000000006226000-memory.dmp

      Filesize

      408KB

    • memory/3612-122-0x0000000005A50000-0x0000000005FF6000-memory.dmp

      Filesize

      5.6MB

    • memory/3612-121-0x0000000005400000-0x0000000005492000-memory.dmp

      Filesize

      584KB

    • memory/3612-151-0x0000000007A90000-0x0000000007A9A000-memory.dmp

      Filesize

      40KB

    • memory/3612-120-0x0000000000D00000-0x0000000000DC6000-memory.dmp

      Filesize

      792KB

    • memory/3884-115-0x0000000072540000-0x00000000726BD000-memory.dmp

      Filesize

      1.5MB

    • memory/3884-111-0x00007FF85AEE0000-0x00007FF85B0E9000-memory.dmp

      Filesize

      2.0MB