Analysis

  • max time kernel
    149s
  • max time network
    155s
  • 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 19:19

General

  • Target

    d55a7bd155c00367db1a3687b420d845bfeb15d3a1aa9d49c3d2a7bd7659f99b.exe

  • Size

    397KB

  • MD5

    fb1affde150312ad6d8ec598b553d158

  • SHA1

    de098a20210ff527b764b0a95358982950625008

  • SHA256

    d55a7bd155c00367db1a3687b420d845bfeb15d3a1aa9d49c3d2a7bd7659f99b

  • SHA512

    1bf59f1bf21a6085a3a089e2c576ded0b88c1d6c482aac4cb8a62ace824adf686b6ddd12208d4011fb45429c1832e168ac991737821d6fc267e8ed2d50a6a7f1

  • SSDEEP

    6144:4Ia+pYfR7NC9yRjMy0TwJ+r+u0E9HAhRH8XEk+k5mda:HafK490T48wOHQF8HXqa

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 1 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\d55a7bd155c00367db1a3687b420d845bfeb15d3a1aa9d49c3d2a7bd7659f99b.exe
    "C:\Users\Admin\AppData\Local\Temp\d55a7bd155c00367db1a3687b420d845bfeb15d3a1aa9d49c3d2a7bd7659f99b.exe"
    1⤵
    • Checks computer location settings
    • Suspicious use of WriteProcessMemory
    PID:4796
    • C:\Users\Admin\AppData\Local\Temp\u3p8.0.exe
      "C:\Users\Admin\AppData\Local\Temp\u3p8.0.exe"
      2⤵
      • Executes dropped EXE
      PID:3536
      • C:\Windows\SysWOW64\WerFault.exe
        C:\Windows\SysWOW64\WerFault.exe -u -p 3536 -s 1012
        3⤵
        • Program crash
        PID:2832
    • C:\Users\Admin\AppData\Local\Temp\u3p8.2\run.exe
      "C:\Users\Admin\AppData\Local\Temp\u3p8.2\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:2996
      • 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:3276
        • 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:4476
  • C:\Windows\SysWOW64\WerFault.exe
    C:\Windows\SysWOW64\WerFault.exe -pss -s 424 -p 3536 -ip 3536
    1⤵
      PID:4316

    Network

    MITRE ATT&CK Enterprise v15

    Replay Monitor

    Loading Replay Monitor...

    Downloads

    • C:\Users\Admin\AppData\Local\Temp\f7971ced

      Filesize

      1.4MB

      MD5

      57d2d49f160e3032553c49ab19740171

      SHA1

      d6d1e782fe50f6536a5416a10f408aa419fcd4ef

      SHA256

      4c4c4fe513a0da0f2808f0d0c708c53ac5a56627c9dd5a4eafb709c708032d89

      SHA512

      98cec71152ca01b37930b026ea5ba6fd05158f06df325a4aff16dae467eff233bc225eb01ad56c88d0eef209113659034bee30f07ed599754251f54b3b8f73b8

    • C:\Users\Admin\AppData\Local\Temp\tmp6E3.tmp

      Filesize

      20KB

      MD5

      42c395b8db48b6ce3d34c301d1eba9d5

      SHA1

      b7cfa3de344814bec105391663c0df4a74310996

      SHA256

      5644546ecefc6786c7be5b1a89e935e640963ccd34b130f21baab9370cb9055d

      SHA512

      7b9214db96e9bec8745b4161a41c4c0520cdda9950f0cd3f12c7744227a25d639d07c0dd68b552cf1e032181c2e4f8297747f27bad6c7447b0f415a86bd82845

    • C:\Users\Admin\AppData\Local\Temp\tmp705.tmp

      Filesize

      20KB

      MD5

      49693267e0adbcd119f9f5e02adf3a80

      SHA1

      3ba3d7f89b8ad195ca82c92737e960e1f2b349df

      SHA256

      d76e7512e496b7c8d9fcd3010a55e2e566881dc6dacaf0343652a4915d47829f

      SHA512

      b4b9fcecf8d277bb0ccbb25e08f3559e3fc519d85d8761d8ad5bca983d04eb55a20d3b742b15b9b31a7c9187da40ad5c48baa7a54664cae4c40aa253165cbaa2

    • C:\Users\Admin\AppData\Local\Temp\u3p8.0.exe

      Filesize

      252KB

      MD5

      3fc101e124f730814a85e7e58f6979ba

      SHA1

      409e336e935e8e078893881c309474cd909f37e8

      SHA256

      1d0cf2609e4792cc26fe75590407d96f8d41e813159518bd06860b17f734f688

      SHA512

      5613ee2a314e3741b8394eae973cab8b12d3fcc3456405206d7da3e8b87e85fceb0f01d2ef5b759e16cd67825a2f89f8af6b3ed5e57581933e9278845bff9fde

    • C:\Users\Admin\AppData\Local\Temp\u3p8.1.zip

      Filesize

      3.7MB

      MD5

      78d3ca6355c93c72b494bb6a498bf639

      SHA1

      2fa4e5df74bfe75c207c881a1b0d3bc1c62c8b0e

      SHA256

      a1dd547a63b256aa6a16871ed03f8b025226f7617e67b8817a08444df077b001

      SHA512

      1b2df7bee2514aee7efd3579f5dd33c76b40606d07dba69a34c45747662fad61174db4931bca02b058830107959205e889fee74f8ccc9f6e03f9fd111761f4ea

    • C:\Users\Admin\AppData\Local\Temp\u3p8.2\UIxMarketPlugin.dll

      Filesize

      1.6MB

      MD5

      d1ba9412e78bfc98074c5d724a1a87d6

      SHA1

      0572f98d78fb0b366b5a086c2a74cc68b771d368

      SHA256

      cbcea8f28d8916219d1e8b0a8ca2db17e338eb812431bc4ad0cb36c06fd67f15

      SHA512

      8765de36d3824b12c0a4478c31b985878d4811bd0e5b6fba4ea07f8c76340bd66a2da3490d4871b95d9a12f96efc25507dfd87f431de211664dbe9a9c914af6f

    • C:\Users\Admin\AppData\Local\Temp\u3p8.2\bunch.dat

      Filesize

      1.3MB

      MD5

      1e8237d3028ab52821d69099e0954f97

      SHA1

      30a6ae353adda0c471c6ed5b7a2458b07185abf2

      SHA256

      9387488f9d338e211be2cb45109bf590a5070180bc0d4a703f70d3cb3c4e1742

      SHA512

      a6406d7c18694ee014d59df581f1f76e980b68e3361ae680dc979606a423eba48d35e37f143154dd97fe5f066baf0ea51a2e9f8bc822d593e1cba70ead6559f3

    • C:\Users\Admin\AppData\Local\Temp\u3p8.2\relay.dll

      Filesize

      1.5MB

      MD5

      10d51becd0bbce0fab147ff9658c565e

      SHA1

      4689a18112ff876d3c066bc8c14a08fd6b7b7a4a

      SHA256

      7b2db9c88f60ed6dd24b1dec321a304564780fdb191a96ec35c051856128f1ed

      SHA512

      29faf493bb28f7842c905adc5312f31741effb09f841059b53d73b22aea2c4d41d73db10bbf37703d6aeb936ffacbc756a3cc85ba3c0b6a6863ef4d27fefcd29

    • C:\Users\Admin\AppData\Local\Temp\u3p8.2\run.exe

      Filesize

      2.4MB

      MD5

      9fb4770ced09aae3b437c1c6eb6d7334

      SHA1

      fe54b31b0db8665aa5b22bed147e8295afc88a03

      SHA256

      a05b592a971fe5011554013bcfe9a4aaf9cfc633bdd1fe3a8197f213d557b8d3

      SHA512

      140fee6daf23fe8b7e441b3b4de83554af804f00ecedc421907a385ac79a63164bd9f28b4be061c2ea2262755d85e14d3a8e7dc910547837b664d78d93667256

    • C:\Users\Admin\AppData\Local\Temp\u3p8.2\whale.dbf

      Filesize

      85KB

      MD5

      a723bf46048e0bfb15b8d77d7a648c3e

      SHA1

      8952d3c34e9341e4425571e10f22b782695bb915

      SHA256

      b440170853bdb43b66497f701aee2901080326975140b095a1669cb9dee13422

      SHA512

      ca8ea2f7f3c7af21b5673a0a3f2611b6580a7ed02efa2cfd8b343eb644ff09682bde43b25ef7aab68530d5ce31dcbd252c382dd336ecb610d4c4ebde78347273

    • memory/2996-111-0x00007FF8358B0000-0x00007FF835AA5000-memory.dmp

      Filesize

      2.0MB

    • memory/2996-110-0x0000000072810000-0x000000007298B000-memory.dmp

      Filesize

      1.5MB

    • memory/2996-121-0x0000000072810000-0x000000007298B000-memory.dmp

      Filesize

      1.5MB

    • memory/2996-119-0x0000000072810000-0x000000007298B000-memory.dmp

      Filesize

      1.5MB

    • memory/3276-130-0x0000000072810000-0x000000007298B000-memory.dmp

      Filesize

      1.5MB

    • memory/3276-123-0x0000000072810000-0x000000007298B000-memory.dmp

      Filesize

      1.5MB

    • memory/3276-125-0x00007FF8358B0000-0x00007FF835AA5000-memory.dmp

      Filesize

      2.0MB

    • memory/3276-129-0x0000000072810000-0x000000007298B000-memory.dmp

      Filesize

      1.5MB

    • memory/3276-133-0x0000000072810000-0x000000007298B000-memory.dmp

      Filesize

      1.5MB

    • memory/3536-16-0x0000000000400000-0x0000000002C22000-memory.dmp

      Filesize

      40.1MB

    • memory/3536-15-0x0000000000400000-0x0000000002C22000-memory.dmp

      Filesize

      40.1MB

    • memory/3536-14-0x0000000003090000-0x00000000030B7000-memory.dmp

      Filesize

      156KB

    • memory/3536-13-0x0000000002E90000-0x0000000002F90000-memory.dmp

      Filesize

      1024KB

    • memory/4476-141-0x0000000004C60000-0x0000000004C70000-memory.dmp

      Filesize

      64KB

    • memory/4476-147-0x0000000004DE0000-0x0000000004DFE000-memory.dmp

      Filesize

      120KB

    • memory/4476-171-0x0000000004C60000-0x0000000004C70000-memory.dmp

      Filesize

      64KB

    • memory/4476-170-0x0000000072CF0000-0x00000000734A0000-memory.dmp

      Filesize

      7.7MB

    • memory/4476-167-0x00000000071A0000-0x00000000071AA000-memory.dmp

      Filesize

      40KB

    • memory/4476-148-0x00000000058F0000-0x0000000005956000-memory.dmp

      Filesize

      408KB

    • memory/4476-146-0x0000000005D60000-0x000000000628C000-memory.dmp

      Filesize

      5.2MB

    • memory/4476-145-0x0000000004AE0000-0x0000000004AEA000-memory.dmp

      Filesize

      40KB

    • memory/4476-144-0x0000000004BF0000-0x0000000004C40000-memory.dmp

      Filesize

      320KB

    • memory/4476-143-0x0000000004C70000-0x0000000004CE6000-memory.dmp

      Filesize

      472KB

    • memory/4476-142-0x0000000004E40000-0x0000000005002000-memory.dmp

      Filesize

      1.8MB

    • memory/4476-132-0x00000000712E0000-0x0000000072534000-memory.dmp

      Filesize

      18.3MB

    • memory/4476-137-0x0000000000560000-0x0000000000626000-memory.dmp

      Filesize

      792KB

    • memory/4476-138-0x0000000072CF0000-0x00000000734A0000-memory.dmp

      Filesize

      7.7MB

    • memory/4476-139-0x0000000004B30000-0x0000000004BC2000-memory.dmp

      Filesize

      584KB

    • memory/4476-140-0x0000000005180000-0x0000000005724000-memory.dmp

      Filesize

      5.6MB

    • memory/4796-117-0x0000000002F20000-0x0000000003020000-memory.dmp

      Filesize

      1024KB

    • memory/4796-17-0x0000000000400000-0x0000000002C46000-memory.dmp

      Filesize

      40.3MB

    • memory/4796-39-0x0000000073880000-0x0000000073891000-memory.dmp

      Filesize

      68KB

    • memory/4796-52-0x0000000073860000-0x0000000073876000-memory.dmp

      Filesize

      88KB

    • memory/4796-59-0x0000000073850000-0x0000000073860000-memory.dmp

      Filesize

      64KB

    • memory/4796-76-0x0000000073830000-0x0000000073846000-memory.dmp

      Filesize

      88KB

    • memory/4796-1-0x0000000002F20000-0x0000000003020000-memory.dmp

      Filesize

      1024KB

    • memory/4796-94-0x0000000073820000-0x000000007382E000-memory.dmp

      Filesize

      56KB

    • memory/4796-3-0x0000000000400000-0x0000000002C46000-memory.dmp

      Filesize

      40.3MB

    • memory/4796-2-0x0000000003020000-0x000000000308D000-memory.dmp

      Filesize

      436KB

    • memory/4796-95-0x00000000737C0000-0x0000000073818000-memory.dmp

      Filesize

      352KB

    • memory/4796-120-0x0000000000400000-0x0000000002C46000-memory.dmp

      Filesize

      40.3MB

    • memory/4796-118-0x0000000003020000-0x000000000308D000-memory.dmp

      Filesize

      436KB