Analysis

  • max time kernel
    147s
  • max time network
    150s
  • platform
    windows11-21h2_x64
  • resource
    win11-20240412-en
  • resource tags

    arch:x64arch:x86image:win11-20240412-enlocale:en-usos:windows11-21h2-x64system
  • submitted
    25-04-2024 19:25

General

  • Target

    f8bd860416800f8b0fecdbe7c2844ca006a350a2116ee354e0b74d0ee5b7c915.exe

  • Size

    397KB

  • MD5

    da197cf1b0266845d29c56ff03eaf54f

  • SHA1

    3490e9b3bab204bf3384cb61ba10c2cf19f3ab1a

  • SHA256

    f8bd860416800f8b0fecdbe7c2844ca006a350a2116ee354e0b74d0ee5b7c915

  • SHA512

    9f16b19df46f71030c3e2871ba1007ce6905707a25ca528846eddb03944526408bd1ad125f3d2e12ef3e77afac18ca6f03d2e91d575070a05f3380a2331b9298

  • SSDEEP

    6144:4Ia+pYfR7NC9yRjMy0TwJ+r+u0E9HAhRH8XEk+k5md:HafK490T48wOHQF8HXq

Malware Config

Signatures

  • SectopRAT

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

  • SectopRAT payload 2 IoCs
  • Stealc

    Stealc is an infostealer written in C++.

  • Downloads MZ/PE file
  • 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 4 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\f8bd860416800f8b0fecdbe7c2844ca006a350a2116ee354e0b74d0ee5b7c915.exe
    "C:\Users\Admin\AppData\Local\Temp\f8bd860416800f8b0fecdbe7c2844ca006a350a2116ee354e0b74d0ee5b7c915.exe"
    1⤵
    • Suspicious use of WriteProcessMemory
    PID:5040
    • C:\Users\Admin\AppData\Local\Temp\u3w0.0.exe
      "C:\Users\Admin\AppData\Local\Temp\u3w0.0.exe"
      2⤵
      • Executes dropped EXE
      PID:4760
      • C:\Windows\SysWOW64\WerFault.exe
        C:\Windows\SysWOW64\WerFault.exe -u -p 4760 -s 1096
        3⤵
        • Program crash
        PID:1984
    • C:\Users\Admin\AppData\Local\Temp\u3w0.2\run.exe
      "C:\Users\Admin\AppData\Local\Temp\u3w0.2\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:2888
      • 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:2472
        • 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:2732
    • C:\Windows\SysWOW64\WerFault.exe
      C:\Windows\SysWOW64\WerFault.exe -u -p 5040 -s 1048
      2⤵
      • Program crash
      PID:1460
  • C:\Windows\SysWOW64\WerFault.exe
    C:\Windows\SysWOW64\WerFault.exe -pss -s 452 -p 4760 -ip 4760
    1⤵
      PID:3584
    • C:\Windows\SysWOW64\WerFault.exe
      C:\Windows\SysWOW64\WerFault.exe -pss -s 448 -p 5040 -ip 5040
      1⤵
        PID:2540

      Network

      MITRE ATT&CK Enterprise v15

      Replay Monitor

      Loading Replay Monitor...

      Downloads

      • C:\Users\Admin\AppData\Local\Temp\6f3bba47

        Filesize

        1.4MB

        MD5

        09eb24f83253694f8f6fd492da5f2234

        SHA1

        e4a293940a0319a4f23d5f8d395334e41faa7b7c

        SHA256

        f3cbeb8f6acb413d6293e1448ee0a91da213135e3629b83be03d8474da573ef1

        SHA512

        f70c1b77c3f4c1ade22afdf67c2a81728c65586603ad415b41ad8e78e41869c4edbe29b142e85f5b52893df3afc4d2684346eaeff3da1dc2cbf7bbbae15430e3

      • C:\Users\Admin\AppData\Local\Temp\tmp7C32.tmp

        Filesize

        20KB

        MD5

        42c395b8db48b6ce3d34c301d1eba9d5

        SHA1

        b7cfa3de344814bec105391663c0df4a74310996

        SHA256

        5644546ecefc6786c7be5b1a89e935e640963ccd34b130f21baab9370cb9055d

        SHA512

        7b9214db96e9bec8745b4161a41c4c0520cdda9950f0cd3f12c7744227a25d639d07c0dd68b552cf1e032181c2e4f8297747f27bad6c7447b0f415a86bd82845

      • C:\Users\Admin\AppData\Local\Temp\tmp7C64.tmp

        Filesize

        20KB

        MD5

        22be08f683bcc01d7a9799bbd2c10041

        SHA1

        2efb6041cf3d6e67970135e592569c76fc4c41de

        SHA256

        451c2c0cf3b7cb412a05347c6e75ed8680f0d2e5f2ab0f64cc2436db9309a457

        SHA512

        0eef192b3d5abe5d2435acf54b42c729c3979e4ad0b73d36666521458043ee7df1e10386bef266d7df9c31db94fb2833152bb2798936cb2082715318ef05d936

      • C:\Users\Admin\AppData\Local\Temp\u3w0.0.exe

        Filesize

        253KB

        MD5

        8804f7241e19c3b33b0b5de3cfc31cfe

        SHA1

        5bfe362ebdf0c4c06c231e0f908c89cd7a07c2ee

        SHA256

        a8280ed9d2a9a4f291c3a7eb629d20d4b58b441457e971ed124315210b5187bd

        SHA512

        8709840051be845c07a7cc55965a312a80bc3b2d72f2a042cec845c374d68258d889faf2d188609aeb3402c087a5d196db9de9acd34bb13699be8402ddcbf67a

      • C:\Users\Admin\AppData\Local\Temp\u3w0.1.zip

        Filesize

        3.7MB

        MD5

        78d3ca6355c93c72b494bb6a498bf639

        SHA1

        2fa4e5df74bfe75c207c881a1b0d3bc1c62c8b0e

        SHA256

        a1dd547a63b256aa6a16871ed03f8b025226f7617e67b8817a08444df077b001

        SHA512

        1b2df7bee2514aee7efd3579f5dd33c76b40606d07dba69a34c45747662fad61174db4931bca02b058830107959205e889fee74f8ccc9f6e03f9fd111761f4ea

      • C:\Users\Admin\AppData\Local\Temp\u3w0.2\UIxMarketPlugin.dll

        Filesize

        1.6MB

        MD5

        d1ba9412e78bfc98074c5d724a1a87d6

        SHA1

        0572f98d78fb0b366b5a086c2a74cc68b771d368

        SHA256

        cbcea8f28d8916219d1e8b0a8ca2db17e338eb812431bc4ad0cb36c06fd67f15

        SHA512

        8765de36d3824b12c0a4478c31b985878d4811bd0e5b6fba4ea07f8c76340bd66a2da3490d4871b95d9a12f96efc25507dfd87f431de211664dbe9a9c914af6f

      • C:\Users\Admin\AppData\Local\Temp\u3w0.2\bunch.dat

        Filesize

        1.3MB

        MD5

        1e8237d3028ab52821d69099e0954f97

        SHA1

        30a6ae353adda0c471c6ed5b7a2458b07185abf2

        SHA256

        9387488f9d338e211be2cb45109bf590a5070180bc0d4a703f70d3cb3c4e1742

        SHA512

        a6406d7c18694ee014d59df581f1f76e980b68e3361ae680dc979606a423eba48d35e37f143154dd97fe5f066baf0ea51a2e9f8bc822d593e1cba70ead6559f3

      • C:\Users\Admin\AppData\Local\Temp\u3w0.2\relay.dll

        Filesize

        1.5MB

        MD5

        10d51becd0bbce0fab147ff9658c565e

        SHA1

        4689a18112ff876d3c066bc8c14a08fd6b7b7a4a

        SHA256

        7b2db9c88f60ed6dd24b1dec321a304564780fdb191a96ec35c051856128f1ed

        SHA512

        29faf493bb28f7842c905adc5312f31741effb09f841059b53d73b22aea2c4d41d73db10bbf37703d6aeb936ffacbc756a3cc85ba3c0b6a6863ef4d27fefcd29

      • C:\Users\Admin\AppData\Local\Temp\u3w0.2\run.exe

        Filesize

        2.4MB

        MD5

        9fb4770ced09aae3b437c1c6eb6d7334

        SHA1

        fe54b31b0db8665aa5b22bed147e8295afc88a03

        SHA256

        a05b592a971fe5011554013bcfe9a4aaf9cfc633bdd1fe3a8197f213d557b8d3

        SHA512

        140fee6daf23fe8b7e441b3b4de83554af804f00ecedc421907a385ac79a63164bd9f28b4be061c2ea2262755d85e14d3a8e7dc910547837b664d78d93667256

      • C:\Users\Admin\AppData\Local\Temp\u3w0.2\whale.dbf

        Filesize

        85KB

        MD5

        a723bf46048e0bfb15b8d77d7a648c3e

        SHA1

        8952d3c34e9341e4425571e10f22b782695bb915

        SHA256

        b440170853bdb43b66497f701aee2901080326975140b095a1669cb9dee13422

        SHA512

        ca8ea2f7f3c7af21b5673a0a3f2611b6580a7ed02efa2cfd8b343eb644ff09682bde43b25ef7aab68530d5ce31dcbd252c382dd336ecb610d4c4ebde78347273

      • memory/2472-118-0x00000000728A0000-0x0000000072A1D000-memory.dmp

        Filesize

        1.5MB

      • memory/2472-120-0x00007FF8E7B20000-0x00007FF8E7D29000-memory.dmp

        Filesize

        2.0MB

      • memory/2472-126-0x00000000728A0000-0x0000000072A1D000-memory.dmp

        Filesize

        1.5MB

      • memory/2472-123-0x00000000728A0000-0x0000000072A1D000-memory.dmp

        Filesize

        1.5MB

      • memory/2472-122-0x00000000728A0000-0x0000000072A1D000-memory.dmp

        Filesize

        1.5MB

      • memory/2732-135-0x0000000005BA0000-0x0000000005C16000-memory.dmp

        Filesize

        472KB

      • memory/2732-137-0x0000000005A70000-0x0000000005A7A000-memory.dmp

        Filesize

        40KB

      • memory/2732-160-0x0000000005B90000-0x0000000005BA0000-memory.dmp

        Filesize

        64KB

      • memory/2732-159-0x0000000074C60000-0x0000000075411000-memory.dmp

        Filesize

        7.7MB

      • memory/2732-140-0x00000000067D0000-0x0000000006836000-memory.dmp

        Filesize

        408KB

      • memory/2732-139-0x0000000005D00000-0x0000000005D1E000-memory.dmp

        Filesize

        120KB

      • memory/2732-138-0x0000000006C50000-0x000000000717C000-memory.dmp

        Filesize

        5.2MB

      • memory/2732-136-0x0000000005AE0000-0x0000000005B30000-memory.dmp

        Filesize

        320KB

      • memory/2732-134-0x0000000005D70000-0x0000000005F32000-memory.dmp

        Filesize

        1.8MB

      • memory/2732-133-0x0000000005B90000-0x0000000005BA0000-memory.dmp

        Filesize

        64KB

      • memory/2732-132-0x0000000006070000-0x0000000006616000-memory.dmp

        Filesize

        5.6MB

      • memory/2732-131-0x00000000059B0000-0x0000000005A42000-memory.dmp

        Filesize

        584KB

      • memory/2732-129-0x0000000001300000-0x00000000013C6000-memory.dmp

        Filesize

        792KB

      • memory/2732-125-0x0000000071580000-0x0000000072897000-memory.dmp

        Filesize

        19.1MB

      • memory/2732-130-0x0000000074C60000-0x0000000075411000-memory.dmp

        Filesize

        7.7MB

      • memory/2888-116-0x00000000728A0000-0x0000000072A1D000-memory.dmp

        Filesize

        1.5MB

      • memory/2888-109-0x00007FF8E7B20000-0x00007FF8E7D29000-memory.dmp

        Filesize

        2.0MB

      • memory/2888-115-0x00000000728A0000-0x0000000072A1D000-memory.dmp

        Filesize

        1.5MB

      • memory/2888-107-0x00000000728A0000-0x0000000072A1D000-memory.dmp

        Filesize

        1.5MB

      • memory/4760-16-0x0000000000400000-0x0000000002C22000-memory.dmp

        Filesize

        40.1MB

      • memory/4760-15-0x0000000000400000-0x0000000002C22000-memory.dmp

        Filesize

        40.1MB

      • memory/4760-14-0x00000000031A0000-0x00000000031C7000-memory.dmp

        Filesize

        156KB

      • memory/4760-13-0x0000000002DC0000-0x0000000002EC0000-memory.dmp

        Filesize

        1024KB

      • memory/5040-1-0x0000000002D60000-0x0000000002E60000-memory.dmp

        Filesize

        1024KB

      • memory/5040-108-0x0000000000400000-0x0000000002C46000-memory.dmp

        Filesize

        40.3MB

      • memory/5040-19-0x0000000002D60000-0x0000000002E60000-memory.dmp

        Filesize

        1024KB

      • memory/5040-3-0x0000000000400000-0x0000000002C46000-memory.dmp

        Filesize

        40.3MB

      • memory/5040-2-0x0000000003200000-0x000000000326D000-memory.dmp

        Filesize

        436KB

      • memory/5040-20-0x0000000003200000-0x000000000326D000-memory.dmp

        Filesize

        436KB

      • memory/5040-17-0x0000000000400000-0x0000000002C46000-memory.dmp

        Filesize

        40.3MB