Analysis

  • max time kernel
    101s
  • max time network
    151s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20250211-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20250211-enlocale:en-usos:windows10-2004-x64system
  • submitted
    17-02-2025 12:07

General

  • Target

    RequestforQuotationTX00171164_pdf.exe

  • Size

    869KB

  • MD5

    c8c9b10e2c7b2965853834236a0e67e2

  • SHA1

    075aa7e4daa62dafac2714eea8fb6583743a6276

  • SHA256

    7a4fd260c41cbac29db7929cf2f2b457a97c564ffc145cdce30f8ce37529b800

  • SHA512

    0b98007272f18edf7c6d0eeb111721e9b6961a39e728f6743179bf7691b82464f517b419f31ec0135674963e1d20278ee3dd32926d4cfb1af4aacd99c5f94bd3

  • SSDEEP

    24576:Q4nbY9dZZZZZZZZZZyAUeaBHsS9aD+ije2MtOvvV3HQmhQ436/zq:Q+qZZZZZZZZZZvUfOvertOvv1wzq6G

Malware Config

Signatures

  • Guloader family
  • Guloader,Cloudeye

    A shellcode based downloader first seen in 2020.

  • Downloads MZ/PE file 1 IoCs
  • Loads dropped DLL 2 IoCs
  • Reads WinSCP keys stored on the system 2 TTPs

    Tries to access WinSCP stored sessions.

  • 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 42 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
  • Browser Information Discovery 1 TTPs

    Enumerate browser information.

  • Enumerates physical storage devices 1 TTPs

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

  • System Location Discovery: System Language Discovery 1 TTPs 3 IoCs

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

  • System Network Configuration Discovery: Internet Connection Discovery 1 TTPs 1 IoCs

    Adversaries may check for Internet connectivity on compromised systems.

  • 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\RequestforQuotationTX00171164_pdf.exe
    "C:\Users\Admin\AppData\Local\Temp\RequestforQuotationTX00171164_pdf.exe"
    1⤵
    • Loads dropped DLL
    • Suspicious use of NtSetInformationThreadHideFromDebugger
    • System Location Discovery: System Language Discovery
    • Suspicious behavior: MapViewOfSection
    • Suspicious use of WriteProcessMemory
    PID:3792
    • C:\Users\Admin\AppData\Local\Temp\RequestforQuotationTX00171164_pdf.exe
      "C:\Users\Admin\AppData\Local\Temp\RequestforQuotationTX00171164_pdf.exe"
      2⤵
      • Accesses Microsoft Outlook profiles
      • Suspicious use of NtCreateThreadExHideFromDebugger
      • Suspicious use of NtSetInformationThreadHideFromDebugger
      • System Location Discovery: System Language Discovery
      • Suspicious use of AdjustPrivilegeToken
      • outlook_office_path
      • outlook_win_path
      PID:4056
  • C:\Program Files (x86)\Microsoft\EdgeUpdate\MicrosoftEdgeUpdate.exe
    "C:\Program Files (x86)\Microsoft\EdgeUpdate\MicrosoftEdgeUpdate.exe" /ping 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-PGFwcCBhcHBpZD0iezhBNjlEMzQ1LUQ1NjQtNDYzYy1BRkYxLUE2OUQ5RTUzMEY5Nn0iIHZlcnNpb249IjEyMy4wLjYzMTIuMTIzIiBuZXh0dmVyc2lvbj0iIiBsYW5nPSJlbiIgYnJhbmQ9IkdHTFMiIGNsaWVudD0iIiBpbnN0YWxsYWdlPSI1IiBpbnN0YWxsZGF0ZXRpbWU9IjE3MzkyODIxNjkiIG9vYmVfaW5zdGFsbF90aW1lPSIxMzM4Mzc1MzE4NTEwMTAwMDAiPjxldmVudCBldmVudHR5cGU9IjMxIiBldmVudHJlc3VsdD0iMSIgZXJyb3Jjb2RlPSIwIiBleHRyYWNvZGUxPSIyMTc5ODYyIiBzeXN0ZW1fdXB0aW1lX3RpY2tzPSI0ODg1ODg4Mzg3Ii8-PC9hcHA-PC9yZXF1ZXN0Pg
    1⤵
    • System Location Discovery: System Language Discovery
    • System Network Configuration Discovery: Internet Connection Discovery
    PID:3488

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

Loading Replay Monitor...

Downloads

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

    Filesize

    11KB

    MD5

    93066b05f4d44458fca79ae8f224eb61

    SHA1

    53aed2782bdced333a43b4ba2e44626be9523a7d

    SHA256

    d201c46604ea15c19901f24f0effc0e0c1092b20a979ddbbf44775aea7114400

    SHA512

    12d6f4cb1f2a5f6ac4dd4994317ca3020bedd4f51b2ed8cc5a2a1bd684d9b8a1914f0645754578ca8c45ae531cab09ab9b21b9d471481eab42e283ce172044db

  • C:\Users\Admin\AppData\Local\Temp\nse7689.tmp\System.dll

    Filesize

    12KB

    MD5

    d6f54d2cefdf58836805796f55bfc846

    SHA1

    b980addc1a755b968dd5799179d3b4f1c2de9d2d

    SHA256

    f917aef484d1fbb4d723b2e2d3045cb6f5f664e61fbb3d5c577bd1c215de55d9

    SHA512

    ce67da936a93d46ef7e81abc8276787c82fd844c03630ba18afc3528c7e420c3228bfe82aeda083bb719f2d1314afae913362abd1e220cb364606519690d45db

  • memory/3792-23-0x0000000002E10000-0x00000000055B2000-memory.dmp

    Filesize

    39.6MB

  • memory/3792-24-0x0000000077991000-0x0000000077AB1000-memory.dmp

    Filesize

    1.1MB

  • memory/3792-25-0x0000000074155000-0x0000000074156000-memory.dmp

    Filesize

    4KB

  • memory/3792-27-0x0000000002E10000-0x00000000055B2000-memory.dmp

    Filesize

    39.6MB

  • memory/4056-28-0x0000000001A70000-0x0000000004212000-memory.dmp

    Filesize

    39.6MB

  • memory/4056-41-0x0000000000810000-0x0000000001A64000-memory.dmp

    Filesize

    18.3MB

  • memory/4056-42-0x0000000000810000-0x0000000001A64000-memory.dmp

    Filesize

    18.3MB

  • memory/4056-44-0x0000000001A70000-0x0000000004212000-memory.dmp

    Filesize

    39.6MB

  • memory/4056-43-0x0000000001A70000-0x0000000004212000-memory.dmp

    Filesize

    39.6MB

  • memory/4056-45-0x0000000000810000-0x0000000000870000-memory.dmp

    Filesize

    384KB

  • memory/4056-46-0x0000000037060000-0x00000000370F8000-memory.dmp

    Filesize

    608KB

  • memory/4056-52-0x0000000037060000-0x00000000370F2000-memory.dmp

    Filesize

    584KB

  • memory/4056-90-0x0000000037060000-0x00000000370F2000-memory.dmp

    Filesize

    584KB

  • memory/4056-78-0x0000000037060000-0x00000000370F2000-memory.dmp

    Filesize

    584KB

  • memory/4056-54-0x0000000037060000-0x00000000370F2000-memory.dmp

    Filesize

    584KB

  • memory/4056-50-0x0000000037060000-0x00000000370F2000-memory.dmp

    Filesize

    584KB

  • memory/4056-47-0x0000000037060000-0x00000000370F2000-memory.dmp

    Filesize

    584KB

  • memory/4056-48-0x0000000037060000-0x00000000370F2000-memory.dmp

    Filesize

    584KB

  • memory/4056-106-0x0000000037060000-0x00000000370F2000-memory.dmp

    Filesize

    584KB

  • memory/4056-104-0x0000000037060000-0x00000000370F2000-memory.dmp

    Filesize

    584KB

  • memory/4056-102-0x0000000037060000-0x00000000370F2000-memory.dmp

    Filesize

    584KB

  • memory/4056-100-0x0000000037060000-0x00000000370F2000-memory.dmp

    Filesize

    584KB

  • memory/4056-98-0x0000000037060000-0x00000000370F2000-memory.dmp

    Filesize

    584KB

  • memory/4056-96-0x0000000037060000-0x00000000370F2000-memory.dmp

    Filesize

    584KB

  • memory/4056-94-0x0000000037060000-0x00000000370F2000-memory.dmp

    Filesize

    584KB

  • memory/4056-92-0x0000000037060000-0x00000000370F2000-memory.dmp

    Filesize

    584KB

  • memory/4056-88-0x0000000037060000-0x00000000370F2000-memory.dmp

    Filesize

    584KB

  • memory/4056-86-0x0000000037060000-0x00000000370F2000-memory.dmp

    Filesize

    584KB

  • memory/4056-84-0x0000000037060000-0x00000000370F2000-memory.dmp

    Filesize

    584KB

  • memory/4056-82-0x0000000037060000-0x00000000370F2000-memory.dmp

    Filesize

    584KB

  • memory/4056-80-0x0000000037060000-0x00000000370F2000-memory.dmp

    Filesize

    584KB

  • memory/4056-76-0x0000000037060000-0x00000000370F2000-memory.dmp

    Filesize

    584KB

  • memory/4056-74-0x0000000037060000-0x00000000370F2000-memory.dmp

    Filesize

    584KB

  • memory/4056-72-0x0000000037060000-0x00000000370F2000-memory.dmp

    Filesize

    584KB

  • memory/4056-70-0x0000000037060000-0x00000000370F2000-memory.dmp

    Filesize

    584KB

  • memory/4056-68-0x0000000037060000-0x00000000370F2000-memory.dmp

    Filesize

    584KB

  • memory/4056-66-0x0000000037060000-0x00000000370F2000-memory.dmp

    Filesize

    584KB

  • memory/4056-64-0x0000000037060000-0x00000000370F2000-memory.dmp

    Filesize

    584KB

  • memory/4056-62-0x0000000037060000-0x00000000370F2000-memory.dmp

    Filesize

    584KB

  • memory/4056-60-0x0000000037060000-0x00000000370F2000-memory.dmp

    Filesize

    584KB

  • memory/4056-58-0x0000000037060000-0x00000000370F2000-memory.dmp

    Filesize

    584KB

  • memory/4056-56-0x0000000037060000-0x00000000370F2000-memory.dmp

    Filesize

    584KB

  • memory/4056-2112-0x0000000034830000-0x000000003485C000-memory.dmp

    Filesize

    176KB

  • memory/4056-2113-0x0000000037100000-0x000000003714C000-memory.dmp

    Filesize

    304KB

  • memory/4056-2114-0x0000000037320000-0x0000000037400000-memory.dmp

    Filesize

    896KB

  • memory/4056-5140-0x0000000037460000-0x00000000374C6000-memory.dmp

    Filesize

    408KB

  • memory/4056-5141-0x0000000037830000-0x0000000037DD4000-memory.dmp

    Filesize

    5.6MB

  • memory/4056-5142-0x0000000037590000-0x0000000037622000-memory.dmp

    Filesize

    584KB

  • memory/4056-5143-0x0000000037E60000-0x0000000037E72000-memory.dmp

    Filesize

    72KB

  • memory/4056-5144-0x0000000038240000-0x0000000038290000-memory.dmp

    Filesize

    320KB