Analysis

  • max time kernel
    117s
  • max time network
    120s
  • platform
    windows7_x64
  • resource
    win7-20230831-en
  • resource tags

    arch:x64arch:x86image:win7-20230831-enlocale:en-usos:windows7-x64system
  • submitted
    05/10/2023, 16:39

General

  • Target

    RFQ-0001120306790.exe

  • Size

    333KB

  • MD5

    4aa0212e803011d0abf7516bf779c554

  • SHA1

    5c3d6aa9984c5828d51d7676bb06400ab1c4edda

  • SHA256

    6d61fb56434326e96c017d57bcc4a0f2e1c3a98872d0262e2034f4e28b38ef87

  • SHA512

    d9fdc686b06e45b85cef7c65943eb2af4fd647ed1438d1cc5259929fcdc1810ce7328c26811062045e0a2fbce047cb26b0295378dd0535a5831f5850e45e15c9

  • SSDEEP

    6144:BnPdudwDs7mdEOkv9Lg/hcV3w+Xs4KPOto0AldiBrgCNHtXj0Ow2XqE+:BnPdw7ac9k8nc5OvLdNHtAOwq+

Malware Config

Signatures

  • AgentTesla

    Agent Tesla is a remote access tool (RAT) written in visual basic.

  • Executes dropped EXE 2 IoCs
  • Loads dropped DLL 2 IoCs
  • Reads data files stored by FTP clients 2 TTPs

    Tries to access configuration files associated with programs like FileZilla.

  • Reads user/profile data of local email clients 2 TTPs

    Email clients store some user data on disk where infostealers will often target it.

  • Reads user/profile data of web browsers 2 TTPs

    Infostealers often target stored browser data, which can include saved credentials etc.

  • Accesses Microsoft Outlook profiles 1 TTPs 3 IoCs
  • Suspicious use of SetThreadContext 1 IoCs
  • Enumerates physical storage devices 1 TTPs

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

  • Suspicious behavior: EnumeratesProcesses 2 IoCs
  • Suspicious behavior: MapViewOfSection 1 IoCs
  • Suspicious use of AdjustPrivilegeToken 1 IoCs
  • Suspicious use of WriteProcessMemory 9 IoCs
  • outlook_office_path 1 IoCs
  • outlook_win_path 1 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\RFQ-0001120306790.exe
    "C:\Users\Admin\AppData\Local\Temp\RFQ-0001120306790.exe"
    1⤵
    • Loads dropped DLL
    • Suspicious use of WriteProcessMemory
    PID:1188
    • C:\Users\Admin\AppData\Local\Temp\nqhcvd.exe
      "C:\Users\Admin\AppData\Local\Temp\nqhcvd.exe"
      2⤵
      • Executes dropped EXE
      • Loads dropped DLL
      • Suspicious use of SetThreadContext
      • Suspicious behavior: MapViewOfSection
      • Suspicious use of WriteProcessMemory
      PID:3032
      • C:\Users\Admin\AppData\Local\Temp\nqhcvd.exe
        "C:\Users\Admin\AppData\Local\Temp\nqhcvd.exe"
        3⤵
        • Executes dropped EXE
        • Accesses Microsoft Outlook profiles
        • Suspicious behavior: EnumeratesProcesses
        • Suspicious use of AdjustPrivilegeToken
        • outlook_office_path
        • outlook_win_path
        PID:1192

Network

        MITRE ATT&CK Enterprise v15

        Replay Monitor

        Loading Replay Monitor...

        Downloads

        • C:\Users\Admin\AppData\Local\Temp\baddzvhwk.jdm

          Filesize

          262KB

          MD5

          b1a37ca249b07f7d1e6ee6a93bd1f387

          SHA1

          e041217e8a19eb2f4fc7025575cfb8c5c7e2001e

          SHA256

          26427ae3d25621ce9c2505a801637b643bb60673d588f4396e65e30d3d25fff9

          SHA512

          c846b4e3e4aabfe989b0e2b050afb34141bf3f5dd932622e44d4e54b363287757b1b31a2d549960b1f48f9811d666457be8ec0e07a19a931368b84ffab9c1fa9

        • C:\Users\Admin\AppData\Local\Temp\nqhcvd.exe

          Filesize

          171KB

          MD5

          e3f01ddaebd17109dd8ac24ac6cfb071

          SHA1

          0617c14804c5b12cc54f3963196a8fc312f27886

          SHA256

          c82d610a6a168120809a0c05dd53c9e9b8458d66d13c5fe5cbf2dcf7eef95a5e

          SHA512

          c5bf33b05026b7bde4f8857709c48fdeeb9cbff6819fa2eedd12f50515b194cc65b6e5efb534663676207db191f77a2656c62354f45eb2a63e9806538331913a

        • C:\Users\Admin\AppData\Local\Temp\nqhcvd.exe

          Filesize

          171KB

          MD5

          e3f01ddaebd17109dd8ac24ac6cfb071

          SHA1

          0617c14804c5b12cc54f3963196a8fc312f27886

          SHA256

          c82d610a6a168120809a0c05dd53c9e9b8458d66d13c5fe5cbf2dcf7eef95a5e

          SHA512

          c5bf33b05026b7bde4f8857709c48fdeeb9cbff6819fa2eedd12f50515b194cc65b6e5efb534663676207db191f77a2656c62354f45eb2a63e9806538331913a

        • C:\Users\Admin\AppData\Local\Temp\nqhcvd.exe

          Filesize

          171KB

          MD5

          e3f01ddaebd17109dd8ac24ac6cfb071

          SHA1

          0617c14804c5b12cc54f3963196a8fc312f27886

          SHA256

          c82d610a6a168120809a0c05dd53c9e9b8458d66d13c5fe5cbf2dcf7eef95a5e

          SHA512

          c5bf33b05026b7bde4f8857709c48fdeeb9cbff6819fa2eedd12f50515b194cc65b6e5efb534663676207db191f77a2656c62354f45eb2a63e9806538331913a

        • \Users\Admin\AppData\Local\Temp\nqhcvd.exe

          Filesize

          171KB

          MD5

          e3f01ddaebd17109dd8ac24ac6cfb071

          SHA1

          0617c14804c5b12cc54f3963196a8fc312f27886

          SHA256

          c82d610a6a168120809a0c05dd53c9e9b8458d66d13c5fe5cbf2dcf7eef95a5e

          SHA512

          c5bf33b05026b7bde4f8857709c48fdeeb9cbff6819fa2eedd12f50515b194cc65b6e5efb534663676207db191f77a2656c62354f45eb2a63e9806538331913a

        • \Users\Admin\AppData\Local\Temp\nqhcvd.exe

          Filesize

          171KB

          MD5

          e3f01ddaebd17109dd8ac24ac6cfb071

          SHA1

          0617c14804c5b12cc54f3963196a8fc312f27886

          SHA256

          c82d610a6a168120809a0c05dd53c9e9b8458d66d13c5fe5cbf2dcf7eef95a5e

          SHA512

          c5bf33b05026b7bde4f8857709c48fdeeb9cbff6819fa2eedd12f50515b194cc65b6e5efb534663676207db191f77a2656c62354f45eb2a63e9806538331913a

        • memory/1192-13-0x0000000000400000-0x0000000000441000-memory.dmp

          Filesize

          260KB

        • memory/1192-10-0x0000000000400000-0x0000000000441000-memory.dmp

          Filesize

          260KB

        • memory/1192-15-0x0000000000400000-0x0000000000441000-memory.dmp

          Filesize

          260KB

        • memory/1192-17-0x0000000073F50000-0x000000007463E000-memory.dmp

          Filesize

          6.9MB

        • memory/1192-16-0x0000000000650000-0x0000000000680000-memory.dmp

          Filesize

          192KB

        • memory/1192-18-0x00000000049B0000-0x00000000049F0000-memory.dmp

          Filesize

          256KB

        • memory/1192-19-0x00000000049B0000-0x00000000049F0000-memory.dmp

          Filesize

          256KB

        • memory/1192-20-0x0000000000400000-0x0000000000441000-memory.dmp

          Filesize

          260KB

        • memory/1192-21-0x0000000073F50000-0x000000007463E000-memory.dmp

          Filesize

          6.9MB

        • memory/3032-6-0x0000000000080000-0x0000000000082000-memory.dmp

          Filesize

          8KB