Analysis

  • max time kernel
    149s
  • max time network
    123s
  • platform
    windows7_x64
  • resource
    win7-20240221-en
  • resource tags

    arch:x64arch:x86image:win7-20240221-enlocale:en-usos:windows7-x64system
  • submitted
    23-05-2024 02:15

General

  • Target

    f9e269469a8949bbd63c9bad527a777f145b98b5d171588a646621ca136489c0.exe

  • Size

    759KB

  • MD5

    76523b7a1bd75e4d76d927582d35586d

  • SHA1

    8a94d55306ca5fbfc3600218ecb56fbe8dd2b1c7

  • SHA256

    f9e269469a8949bbd63c9bad527a777f145b98b5d171588a646621ca136489c0

  • SHA512

    71bab5884a789ceb287610d2232a66324cb9310a99a1c71a233fd8bc2eeddefd981752d063f6e06fa02d039aaf6c375a5bbe363c6bddc7a3dc0f9e4b26cf3a61

  • SSDEEP

    12288:WNn1cVGGV2eZS6fEL2C/dqIWWKsjRNUQBbnnW1r8m0SlMkQ26ZV6rZD3I8:WN6VGGAeZ4bdq7psjRaQBrnWB8b/kV8c

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 1 IoCs
  • Drops file in Program Files directory 2 IoCs
  • Drops file in Windows directory 1 IoCs
  • Enumerates physical storage devices 1 TTPs

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

  • Program crash 1 IoCs
  • Suspicious behavior: EnumeratesProcesses 1 IoCs
  • Suspicious behavior: MapViewOfSection 1 IoCs
  • Suspicious use of WriteProcessMemory 10 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\f9e269469a8949bbd63c9bad527a777f145b98b5d171588a646621ca136489c0.exe
    "C:\Users\Admin\AppData\Local\Temp\f9e269469a8949bbd63c9bad527a777f145b98b5d171588a646621ca136489c0.exe"
    1⤵
    • 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:2204
    • C:\Users\Admin\AppData\Local\Temp\f9e269469a8949bbd63c9bad527a777f145b98b5d171588a646621ca136489c0.exe
      "C:\Users\Admin\AppData\Local\Temp\f9e269469a8949bbd63c9bad527a777f145b98b5d171588a646621ca136489c0.exe"
      2⤵
      • Suspicious use of NtCreateThreadExHideFromDebugger
      • Suspicious use of NtSetInformationThreadHideFromDebugger
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of WriteProcessMemory
      PID:1716
      • C:\Windows\SysWOW64\WerFault.exe
        C:\Windows\SysWOW64\WerFault.exe -u -p 1716 -s 704
        3⤵
        • Program crash
        PID:2404

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

Loading Replay Monitor...

Downloads

  • \Users\Admin\AppData\Local\Temp\nso33FE.tmp\System.dll

    Filesize

    12KB

    MD5

    12b140583e3273ee1f65016becea58c4

    SHA1

    92df24d11797fefd2e1f8d29be9dfd67c56c1ada

    SHA256

    014f1dfeb842cf7265a3644bc6903c592abe9049bfc7396829172d3d72c4d042

    SHA512

    49ffdfa1941361430b6acb3555fd3aa05e4120f28cbdf7ceaa2af5937d0b8cccd84471cf63f06f97cf203b4aa20f226bdad082e9421b8e6b62ab6e1e9fc1e68a

  • memory/1716-14-0x0000000000400000-0x0000000001462000-memory.dmp

    Filesize

    16.4MB

  • memory/1716-15-0x0000000077B00000-0x0000000077CA9000-memory.dmp

    Filesize

    1.7MB

  • memory/1716-16-0x0000000000400000-0x0000000001462000-memory.dmp

    Filesize

    16.4MB

  • memory/1716-38-0x0000000000400000-0x0000000001462000-memory.dmp

    Filesize

    16.4MB

  • memory/1716-40-0x0000000000400000-0x0000000001462000-memory.dmp

    Filesize

    16.4MB

  • memory/2204-12-0x0000000077B01000-0x0000000077C02000-memory.dmp

    Filesize

    1.0MB

  • memory/2204-13-0x0000000077B00000-0x0000000077CA9000-memory.dmp

    Filesize

    1.7MB