Analysis

  • max time kernel
    147s
  • max time network
    133s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20250129-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20250129-enlocale:en-usos:windows10-2004-x64system
  • submitted
    05-02-2025 16:44

General

  • Target

    New Order_pdf_0016534325.exe

  • Size

    821KB

  • MD5

    bfe6e7e0438a127b3445d7a8afeab19b

  • SHA1

    17438838d7e95188d4d2ea65de07dc6005ab21be

  • SHA256

    004a0e7dcc10446f8dffdf3474ee862f951850063bdf94e1fbfb81780597c0cd

  • SHA512

    9585eaabb3652bb83bea3e32de326acf3af0e5ca437afbc9ea7a9821b199a33e65a5be9336ed204035ae97bb13b137d70b2e4ab7d9b567008e68d61a7d0a9f44

  • SSDEEP

    24576:Q4nbY9dZZZZZZZZZZyaimgedJPY8nYRAZOjhgvvV3HQmhQ436/zJ:Q+qZZZZZZZZZZ1Ied9YjRAIavv1wzq6t

Malware Config

Signatures

  • Guloader family
  • Guloader,Cloudeye

    A shellcode based downloader first seen in 2020.

  • Modifies Windows Defender DisableAntiSpyware settings 3 TTPs 1 IoCs
  • Disables Task Manager via registry modification
  • Loads dropped DLL 2 IoCs
  • 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 3 TTPs

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

  • Accesses Microsoft Outlook profiles 1 TTPs 3 IoCs
  • Legitimate hosting services abused for malware hosting/C2 1 TTPs 2 IoCs
  • Looks up external IP address via web service 3 IoCs

    Uses a legitimate IP lookup service to find the infected system's external IP.

  • Suspicious use of NtCreateThreadExHideFromDebugger 1 IoCs
  • Suspicious use of NtSetInformationThreadHideFromDebugger 2 IoCs
  • Enumerates physical storage devices 1 TTPs

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

  • System Location Discovery: System Language Discovery 1 TTPs 2 IoCs

    Attempt gather information about the system language of a victim in order to infer the geographical location of that host.

  • Suspicious behavior: EnumeratesProcesses 1 IoCs
  • Suspicious behavior: MapViewOfSection 1 IoCs
  • Suspicious use of AdjustPrivilegeToken 1 IoCs
  • Suspicious use of WriteProcessMemory 4 IoCs
  • outlook_office_path 1 IoCs
  • outlook_win_path 1 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\New Order_pdf_0016534325.exe
    "C:\Users\Admin\AppData\Local\Temp\New Order_pdf_0016534325.exe"
    1⤵
    • Loads dropped DLL
    • Suspicious use of NtSetInformationThreadHideFromDebugger
    • System Location Discovery: System Language Discovery
    • Suspicious behavior: MapViewOfSection
    • Suspicious use of WriteProcessMemory
    PID:3196
    • C:\Users\Admin\AppData\Local\Temp\New Order_pdf_0016534325.exe
      "C:\Users\Admin\AppData\Local\Temp\New Order_pdf_0016534325.exe"
      2⤵
      • Modifies Windows Defender DisableAntiSpyware settings
      • Accesses Microsoft Outlook profiles
      • Suspicious use of NtCreateThreadExHideFromDebugger
      • Suspicious use of NtSetInformationThreadHideFromDebugger
      • System Location Discovery: System Language Discovery
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      • outlook_office_path
      • outlook_win_path
      PID:3100

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

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Downloads

  • C:\Users\Admin\AppData\Local\Temp\cocainize\udsortering.jpg

    Filesize

    11KB

    MD5

    93066b05f4d44458fca79ae8f224eb61

    SHA1

    53aed2782bdced333a43b4ba2e44626be9523a7d

    SHA256

    d201c46604ea15c19901f24f0effc0e0c1092b20a979ddbbf44775aea7114400

    SHA512

    12d6f4cb1f2a5f6ac4dd4994317ca3020bedd4f51b2ed8cc5a2a1bd684d9b8a1914f0645754578ca8c45ae531cab09ab9b21b9d471481eab42e283ce172044db

  • C:\Users\Admin\AppData\Local\Temp\nsg708D.tmp\System.dll

    Filesize

    12KB

    MD5

    d6f54d2cefdf58836805796f55bfc846

    SHA1

    b980addc1a755b968dd5799179d3b4f1c2de9d2d

    SHA256

    f917aef484d1fbb4d723b2e2d3045cb6f5f664e61fbb3d5c577bd1c215de55d9

    SHA512

    ce67da936a93d46ef7e81abc8276787c82fd844c03630ba18afc3528c7e420c3228bfe82aeda083bb719f2d1314afae913362abd1e220cb364606519690d45db

  • memory/3100-49-0x00000000376C0000-0x0000000037752000-memory.dmp

    Filesize

    584KB

  • memory/3100-46-0x0000000000810000-0x000000000082E000-memory.dmp

    Filesize

    120KB

  • memory/3100-52-0x0000000037AA0000-0x0000000037AAA000-memory.dmp

    Filesize

    40KB

  • memory/3100-51-0x0000000037890000-0x0000000037A52000-memory.dmp

    Filesize

    1.8MB

  • memory/3100-28-0x0000000001A70000-0x0000000003E89000-memory.dmp

    Filesize

    36.1MB

  • memory/3100-43-0x0000000000810000-0x0000000001A64000-memory.dmp

    Filesize

    18.3MB

  • memory/3100-44-0x0000000001A70000-0x0000000003E89000-memory.dmp

    Filesize

    36.1MB

  • memory/3100-50-0x0000000036D40000-0x0000000036D90000-memory.dmp

    Filesize

    320KB

  • memory/3100-47-0x0000000036DD0000-0x0000000037374000-memory.dmp

    Filesize

    5.6MB

  • memory/3100-48-0x00000000348E0000-0x000000003497C000-memory.dmp

    Filesize

    624KB

  • memory/3196-23-0x0000000002E10000-0x0000000005229000-memory.dmp

    Filesize

    36.1MB

  • memory/3196-24-0x0000000077B61000-0x0000000077C81000-memory.dmp

    Filesize

    1.1MB

  • memory/3196-27-0x0000000002E10000-0x0000000005229000-memory.dmp

    Filesize

    36.1MB

  • memory/3196-25-0x0000000074855000-0x0000000074856000-memory.dmp

    Filesize

    4KB