Analysis

  • max time kernel
    145s
  • max time network
    153s
  • platform
    windows11-21h2_x64
  • resource
    win11-20240412-en
  • resource tags

    arch:x64arch:x86image:win11-20240412-enlocale:en-usos:windows11-21h2-x64system
  • submitted
    26-04-2024 10:08

General

  • Target

    ed3cbb28a5610df5a2d0489adcca1fed35a213ba85310f998638279734435eb7.exe

  • Size

    442KB

  • MD5

    baab4aa164ea2d77b48a6986e912bf3d

  • SHA1

    0ad886cb750824002967e491e94bd96298eb21f4

  • SHA256

    ed3cbb28a5610df5a2d0489adcca1fed35a213ba85310f998638279734435eb7

  • SHA512

    4cbaa101b0e10e739d3e43cac4f4ae86124d3c62c9119d83bd62696c48c7b65807f0c7173542d971f152cfb28c32c9cdbfc45ff6832a0e957df155f817406a87

  • SSDEEP

    12288:8/YF+b8a+KLGNAKq48yhBV2S7PJwwh8na5r:8Qw+1NE48yRZxwNna5r

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
  • Executes dropped EXE 2 IoCs
  • Loads dropped DLL 1 IoCs
  • Legitimate hosting services abused for malware hosting/C2 1 TTPs 2 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\ed3cbb28a5610df5a2d0489adcca1fed35a213ba85310f998638279734435eb7.exe
    "C:\Users\Admin\AppData\Local\Temp\ed3cbb28a5610df5a2d0489adcca1fed35a213ba85310f998638279734435eb7.exe"
    1⤵
    • Suspicious use of WriteProcessMemory
    PID:1280
    • C:\Users\Admin\AppData\Local\Temp\uzk.0.exe
      "C:\Users\Admin\AppData\Local\Temp\uzk.0.exe"
      2⤵
      • Executes dropped EXE
      PID:1748
      • C:\Windows\SysWOW64\WerFault.exe
        C:\Windows\SysWOW64\WerFault.exe -u -p 1748 -s 1244
        3⤵
        • Program crash
        PID:3856
    • C:\Users\Admin\AppData\Local\Temp\uzk.2\run.exe
      "C:\Users\Admin\AppData\Local\Temp\uzk.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:1092
      • 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:1792
        • 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:2016
    • C:\Windows\SysWOW64\WerFault.exe
      C:\Windows\SysWOW64\WerFault.exe -u -p 1280 -s 992
      2⤵
      • Program crash
      PID:4916
  • C:\Windows\SysWOW64\WerFault.exe
    C:\Windows\SysWOW64\WerFault.exe -pss -s 440 -p 1748 -ip 1748
    1⤵
      PID:2584
    • C:\Windows\SysWOW64\WerFault.exe
      C:\Windows\SysWOW64\WerFault.exe -pss -s 408 -p 1280 -ip 1280
      1⤵
        PID:5004

      Network

      MITRE ATT&CK Enterprise v15

      Replay Monitor

      Loading Replay Monitor...

      Downloads

      • C:\Users\Admin\AppData\Local\Temp\aea7493b

        Filesize

        1.4MB

        MD5

        d7871e333b2f6b56fc9a0f61c6463b3f

        SHA1

        183e350880f4d05628141360e1cb4c3eb3ab2a35

        SHA256

        9c95d72b5287b19fe4e2df0ba6123db3d07694a0b51bdad5a2a9cbdcacd37ee3

        SHA512

        4955ef11a895d598588c25e57bd6985ca05b37847bdcaa9bd1bd3f312826d29f7e1a4ca3b9aed96757a40835492341c99b87940bf2e98e17d975caaff4d49e0d

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

        Filesize

        298KB

        MD5

        230c83682ed7972ae26e0b13d4e3a974

        SHA1

        a53fc041717ae86753e7be8cf803b3f638ea0c74

        SHA256

        2d1f0d8f8076c0f7549a00684ea10e3a81cfa29be3bdd3df2e13656766625a0d

        SHA512

        ebdc20b852bbda4e69389eeed136b66115b407dcb91134da031e7405433c9f679a6a73d5388e1458801b0ac44016784373e0c3cbbd17ffee2fbca04f52f38dce

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

        Filesize

        3.7MB

        MD5

        78d3ca6355c93c72b494bb6a498bf639

        SHA1

        2fa4e5df74bfe75c207c881a1b0d3bc1c62c8b0e

        SHA256

        a1dd547a63b256aa6a16871ed03f8b025226f7617e67b8817a08444df077b001

        SHA512

        1b2df7bee2514aee7efd3579f5dd33c76b40606d07dba69a34c45747662fad61174db4931bca02b058830107959205e889fee74f8ccc9f6e03f9fd111761f4ea

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

        Filesize

        1.6MB

        MD5

        d1ba9412e78bfc98074c5d724a1a87d6

        SHA1

        0572f98d78fb0b366b5a086c2a74cc68b771d368

        SHA256

        cbcea8f28d8916219d1e8b0a8ca2db17e338eb812431bc4ad0cb36c06fd67f15

        SHA512

        8765de36d3824b12c0a4478c31b985878d4811bd0e5b6fba4ea07f8c76340bd66a2da3490d4871b95d9a12f96efc25507dfd87f431de211664dbe9a9c914af6f

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

        Filesize

        1.3MB

        MD5

        1e8237d3028ab52821d69099e0954f97

        SHA1

        30a6ae353adda0c471c6ed5b7a2458b07185abf2

        SHA256

        9387488f9d338e211be2cb45109bf590a5070180bc0d4a703f70d3cb3c4e1742

        SHA512

        a6406d7c18694ee014d59df581f1f76e980b68e3361ae680dc979606a423eba48d35e37f143154dd97fe5f066baf0ea51a2e9f8bc822d593e1cba70ead6559f3

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

        Filesize

        1.5MB

        MD5

        10d51becd0bbce0fab147ff9658c565e

        SHA1

        4689a18112ff876d3c066bc8c14a08fd6b7b7a4a

        SHA256

        7b2db9c88f60ed6dd24b1dec321a304564780fdb191a96ec35c051856128f1ed

        SHA512

        29faf493bb28f7842c905adc5312f31741effb09f841059b53d73b22aea2c4d41d73db10bbf37703d6aeb936ffacbc756a3cc85ba3c0b6a6863ef4d27fefcd29

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

        Filesize

        2.4MB

        MD5

        9fb4770ced09aae3b437c1c6eb6d7334

        SHA1

        fe54b31b0db8665aa5b22bed147e8295afc88a03

        SHA256

        a05b592a971fe5011554013bcfe9a4aaf9cfc633bdd1fe3a8197f213d557b8d3

        SHA512

        140fee6daf23fe8b7e441b3b4de83554af804f00ecedc421907a385ac79a63164bd9f28b4be061c2ea2262755d85e14d3a8e7dc910547837b664d78d93667256

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

        Filesize

        85KB

        MD5

        a723bf46048e0bfb15b8d77d7a648c3e

        SHA1

        8952d3c34e9341e4425571e10f22b782695bb915

        SHA256

        b440170853bdb43b66497f701aee2901080326975140b095a1669cb9dee13422

        SHA512

        ca8ea2f7f3c7af21b5673a0a3f2611b6580a7ed02efa2cfd8b343eb644ff09682bde43b25ef7aab68530d5ce31dcbd252c382dd336ecb610d4c4ebde78347273

      • memory/1092-101-0x00007FFD92FA0000-0x00007FFD931A9000-memory.dmp

        Filesize

        2.0MB

      • memory/1092-110-0x0000000072D30000-0x0000000072EAD000-memory.dmp

        Filesize

        1.5MB

      • memory/1092-107-0x0000000072D30000-0x0000000072EAD000-memory.dmp

        Filesize

        1.5MB

      • memory/1092-100-0x0000000072D30000-0x0000000072EAD000-memory.dmp

        Filesize

        1.5MB

      • memory/1280-108-0x0000000000400000-0x000000000405F000-memory.dmp

        Filesize

        60.4MB

      • memory/1280-2-0x0000000005EE0000-0x0000000005F4D000-memory.dmp

        Filesize

        436KB

      • memory/1280-109-0x0000000005EE0000-0x0000000005F4D000-memory.dmp

        Filesize

        436KB

      • memory/1280-1-0x00000000042C0000-0x00000000043C0000-memory.dmp

        Filesize

        1024KB

      • memory/1748-13-0x0000000005C00000-0x0000000005C27000-memory.dmp

        Filesize

        156KB

      • memory/1748-12-0x0000000004190000-0x0000000004290000-memory.dmp

        Filesize

        1024KB

      • memory/1748-14-0x0000000000400000-0x000000000403C000-memory.dmp

        Filesize

        60.2MB

      • memory/1792-120-0x0000000072D30000-0x0000000072EAD000-memory.dmp

        Filesize

        1.5MB

      • memory/1792-114-0x00007FFD92FA0000-0x00007FFD931A9000-memory.dmp

        Filesize

        2.0MB

      • memory/1792-116-0x0000000072D30000-0x0000000072EAD000-memory.dmp

        Filesize

        1.5MB

      • memory/1792-117-0x0000000072D30000-0x0000000072EAD000-memory.dmp

        Filesize

        1.5MB

      • memory/1792-112-0x0000000072D30000-0x0000000072EAD000-memory.dmp

        Filesize

        1.5MB

      • memory/2016-124-0x0000000075130000-0x00000000758E1000-memory.dmp

        Filesize

        7.7MB

      • memory/2016-123-0x0000000000900000-0x00000000009C6000-memory.dmp

        Filesize

        792KB

      • memory/2016-119-0x0000000073C10000-0x0000000074F27000-memory.dmp

        Filesize

        19.1MB

      • memory/2016-125-0x0000000005090000-0x0000000005122000-memory.dmp

        Filesize

        584KB

      • memory/2016-126-0x00000000056E0000-0x0000000005C86000-memory.dmp

        Filesize

        5.6MB

      • memory/2016-127-0x0000000005250000-0x0000000005260000-memory.dmp

        Filesize

        64KB

      • memory/2016-128-0x0000000005430000-0x00000000055F2000-memory.dmp

        Filesize

        1.8MB

      • memory/2016-129-0x0000000005130000-0x00000000051A6000-memory.dmp

        Filesize

        472KB

      • memory/2016-130-0x00000000051B0000-0x0000000005200000-memory.dmp

        Filesize

        320KB

      • memory/2016-131-0x0000000075130000-0x00000000758E1000-memory.dmp

        Filesize

        7.7MB

      • memory/2016-132-0x0000000005250000-0x0000000005260000-memory.dmp

        Filesize

        64KB