Analysis

  • max time kernel
    148s
  • max time network
    146s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20241007-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-x64system
  • submitted
    03-12-2024 13:12

General

  • Target

    REQUEST FOR QUOATION AND PRICES.exe

  • Size

    717KB

  • MD5

    143edb6c5c1e1a1e06695965f2b5cb74

  • SHA1

    b43660357dbe4c3d84d4239b6273817b5eb1ff53

  • SHA256

    05814550e1562d4c54710804145c678b6191aab6a07c73e6f7902b1149bb020d

  • SHA512

    8656e2e854a66f2901898147303fa5119c691defc06745d38d93ce0ef06ff243d85b8d0d109d0ef18c4bb3b1de29a5c76961b85a77959c0d93b9179546bbe761

  • SSDEEP

    12288:xlYZmcRHOohpeGbzpAbzRglY6y/utl97avDAoXPJO2RpXD3j:UmcdOohMyz5Y6yK7arHXPJOyXjj

Malware Config

Signatures

  • Guloader family
  • Guloader,Cloudeye

    A shellcode based downloader first seen in 2020.

  • 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 1 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
  • Suspicious use of SetThreadContext 1 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 5 IoCs
  • outlook_office_path 1 IoCs
  • outlook_win_path 1 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\REQUEST FOR QUOATION AND PRICES.exe
    "C:\Users\Admin\AppData\Local\Temp\REQUEST FOR QUOATION AND PRICES.exe"
    1⤵
    • Loads dropped DLL
    • Suspicious use of NtSetInformationThreadHideFromDebugger
    • Suspicious use of SetThreadContext
    • System Location Discovery: System Language Discovery
    • Suspicious behavior: MapViewOfSection
    • Suspicious use of WriteProcessMemory
    PID:4928
    • C:\Users\Admin\AppData\Local\Temp\REQUEST FOR QUOATION AND PRICES.exe
      "C:\Users\Admin\AppData\Local\Temp\REQUEST FOR QUOATION AND PRICES.exe"
      2⤵
      • 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:1516

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

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Downloads

  • C:\Users\Admin\AppData\Local\Temp\nsu9ED2.tmp\System.dll

    Filesize

    11KB

    MD5

    fc90dfb694d0e17b013d6f818bce41b0

    SHA1

    3243969886d640af3bfa442728b9f0dff9d5f5b0

    SHA256

    7fe77ca13121a113c59630a3dba0c8aaa6372e8082393274da8f8608c4ce4528

    SHA512

    324f13aa7a33c6408e2a57c3484d1691ecee7c3c1366de2bb8978c8dc66b18425d8cab5a32d1702c13c43703e36148a022263de7166afdce141da2b01169f1c6

  • memory/1516-38-0x0000000037950000-0x00000000379E2000-memory.dmp

    Filesize

    584KB

  • memory/1516-35-0x0000000036FC0000-0x0000000037564000-memory.dmp

    Filesize

    5.6MB

  • memory/1516-42-0x0000000037E00000-0x0000000037E0A000-memory.dmp

    Filesize

    40KB

  • memory/1516-40-0x0000000037B70000-0x0000000037D32000-memory.dmp

    Filesize

    1.8MB

  • memory/1516-19-0x0000000001710000-0x00000000043D5000-memory.dmp

    Filesize

    44.8MB

  • memory/1516-32-0x00000000004B0000-0x0000000001704000-memory.dmp

    Filesize

    18.3MB

  • memory/1516-39-0x00000000379F0000-0x0000000037A40000-memory.dmp

    Filesize

    320KB

  • memory/1516-34-0x00000000004B0000-0x00000000004CE000-memory.dmp

    Filesize

    120KB

  • memory/1516-33-0x00000000004B0000-0x0000000001704000-memory.dmp

    Filesize

    18.3MB

  • memory/1516-36-0x0000000037570000-0x000000003760C000-memory.dmp

    Filesize

    624KB

  • memory/1516-37-0x0000000001710000-0x00000000043D5000-memory.dmp

    Filesize

    44.8MB

  • memory/4928-15-0x00000000032C0000-0x0000000005F85000-memory.dmp

    Filesize

    44.8MB

  • memory/4928-16-0x0000000077101000-0x0000000077221000-memory.dmp

    Filesize

    1.1MB

  • memory/4928-18-0x00000000032C0000-0x0000000005F85000-memory.dmp

    Filesize

    44.8MB

  • memory/4928-17-0x0000000010004000-0x0000000010005000-memory.dmp

    Filesize

    4KB