Analysis

  • max time kernel
    147s
  • max time network
    120s
  • platform
    windows7_x64
  • resource
    win7-20240221-en
  • resource tags

    arch:x64arch:x86image:win7-20240221-enlocale:en-usos:windows7-x64system
  • submitted
    23-05-2024 02:12

General

  • Target

    Request for Quotation # 3200025006.exe

  • Size

    1.3MB

  • MD5

    de73849a5a50839be702dc2808227f63

  • SHA1

    e194a423c5ecbd3e6b5724b94afeac36bd73eb3f

  • SHA256

    1f4063a9b29a0125ea9cf49e59ed6e2dd0d70c8b155ebab5fc7ef33597b6d416

  • SHA512

    6771812f5cc5a206ad66dc3fe848f4f2199568d59b78bd42583c241c9bbd3ad34b2a7556df7a9eeae8d78c2ac46ab36d2fc36257a50844ba7fe970ba9125a1db

  • SSDEEP

    24576:O9Q0lIVTRJpFbUWlEPVSq299xFrXJy/U77VaaG8uosbrDqa1VHWTcSdmWDxbLn/O:oQ0lsRTFbUWOPVSqsdAM77YoOrDX1l2s

Score
7/10

Malware Config

Signatures

  • Loads dropped DLL 1 IoCs
  • Legitimate hosting services abused for malware hosting/C2 1 TTPs 2 IoCs
  • Suspicious use of NtCreateThreadExHideFromDebugger 1 IoCs
  • Suspicious use of NtSetInformationThreadHideFromDebugger 2 IoCs
  • Suspicious use of SetThreadContext 4 IoCs
  • Drops file in Program Files directory 1 IoCs
  • Drops file in Windows directory 1 IoCs
  • Enumerates physical storage devices 1 TTPs

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

  • Suspicious behavior: EnumeratesProcesses 24 IoCs
  • Suspicious behavior: MapViewOfSection 6 IoCs
  • Suspicious use of WriteProcessMemory 10 IoCs

Processes

  • C:\Windows\Explorer.EXE
    C:\Windows\Explorer.EXE
    1⤵
    • Suspicious behavior: MapViewOfSection
    • Suspicious use of WriteProcessMemory
    PID:1200
    • C:\Users\Admin\AppData\Local\Temp\Request for Quotation # 3200025006.exe
      "C:\Users\Admin\AppData\Local\Temp\Request for Quotation # 3200025006.exe"
      2⤵
      • Loads dropped DLL
      • Suspicious use of NtSetInformationThreadHideFromDebugger
      • Suspicious use of SetThreadContext
      • Drops file in Program Files directory
      • Drops file in Windows directory
      • Suspicious behavior: MapViewOfSection
      • Suspicious use of WriteProcessMemory
      PID:2208
      • C:\Users\Admin\AppData\Local\Temp\Request for Quotation # 3200025006.exe
        "C:\Users\Admin\AppData\Local\Temp\Request for Quotation # 3200025006.exe"
        3⤵
        • Suspicious use of NtCreateThreadExHideFromDebugger
        • Suspicious use of NtSetInformationThreadHideFromDebugger
        • Suspicious use of SetThreadContext
        • Suspicious behavior: EnumeratesProcesses
        • Suspicious behavior: MapViewOfSection
        PID:2552
    • C:\Windows\SysWOW64\cleanmgr.exe
      "C:\Windows\SysWOW64\cleanmgr.exe"
      2⤵
      • Suspicious use of SetThreadContext
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious behavior: MapViewOfSection
      PID:1976

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

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Downloads

  • \Users\Admin\AppData\Local\Temp\nstAAD.tmp\System.dll

    Filesize

    11KB

    MD5

    b8992e497d57001ddf100f9c397fcef5

    SHA1

    e26ddf101a2ec5027975d2909306457c6f61cfbd

    SHA256

    98bcd1dd88642f4dd36a300c76ebb1ddfbbbc5bfc7e3b6d7435dc6d6e030c13b

    SHA512

    8823b1904dccfaf031068102cb1def7958a057f49ff369f0e061f1b4db2090021aa620bb8442a2a6ac9355bb74ee54371dc2599c20dc723755a46ede81533a3c

  • memory/1976-73-0x00000000000C0000-0x00000000000FF000-memory.dmp

    Filesize

    252KB

  • memory/1976-70-0x00000000000C0000-0x00000000000FF000-memory.dmp

    Filesize

    252KB

  • memory/2208-33-0x0000000077701000-0x0000000077802000-memory.dmp

    Filesize

    1.0MB

  • memory/2208-34-0x0000000077700000-0x00000000778A9000-memory.dmp

    Filesize

    1.7MB

  • memory/2552-59-0x0000000000400000-0x0000000001462000-memory.dmp

    Filesize

    16.4MB

  • memory/2552-37-0x0000000000400000-0x0000000001462000-memory.dmp

    Filesize

    16.4MB

  • memory/2552-60-0x0000000000400000-0x0000000001462000-memory.dmp

    Filesize

    16.4MB

  • memory/2552-61-0x0000000000400000-0x0000000001462000-memory.dmp

    Filesize

    16.4MB

  • memory/2552-62-0x0000000000400000-0x0000000001462000-memory.dmp

    Filesize

    16.4MB

  • memory/2552-68-0x0000000000400000-0x0000000001462000-memory.dmp

    Filesize

    16.4MB

  • memory/2552-36-0x0000000077700000-0x00000000778A9000-memory.dmp

    Filesize

    1.7MB

  • memory/2552-71-0x0000000000400000-0x0000000001462000-memory.dmp

    Filesize

    16.4MB

  • memory/2552-35-0x0000000000400000-0x0000000001462000-memory.dmp

    Filesize

    16.4MB