Analysis

  • max time kernel
    143s
  • max time network
    128s
  • platform
    windows7_x64
  • resource
    win7-20240221-en
  • resource tags

    arch:x64arch:x86image:win7-20240221-enlocale:en-usos:windows7-x64system
  • submitted
    10/03/2024, 20:22

General

  • Target

    $PLUGINSDIR/nsArray.dll

  • Size

    6KB

  • MD5

    82d49c227928741f6f09c5cea3bde9f1

  • SHA1

    b0904368a5e94026d0ca5760d4577236f796051d

  • SHA256

    8bc5e75bbfa5a8f10526aec2af441153b2883d6d288726ed8f7c9af12a1ee02b

  • SHA512

    d4f588e3613886e3dab58330cd69ce7f24c39be2c4854cc8edfcef98e1324926fcde0d79df1a8fdf5e2bf9327b17f22a9fa1396568c0ace4e46d4f548fdc7530

  • SSDEEP

    192:mUODeqedh6EHFRA5sX7d7KnnpOKxX22v:2qqedh6EHFRksp7KpFX

Score
7/10
upx

Malware Config

Signatures

  • UPX packed file 1 IoCs

    Detects executables packed with UPX/modified UPX open source packer.

  • Program crash 1 IoCs
  • Suspicious use of WriteProcessMemory 11 IoCs

Processes

  • C:\Windows\system32\rundll32.exe
    rundll32.exe C:\Users\Admin\AppData\Local\Temp\$PLUGINSDIR\nsArray.dll,#1
    1⤵
    • Suspicious use of WriteProcessMemory
    PID:1556
    • C:\Windows\SysWOW64\rundll32.exe
      rundll32.exe C:\Users\Admin\AppData\Local\Temp\$PLUGINSDIR\nsArray.dll,#1
      2⤵
      • Suspicious use of WriteProcessMemory
      PID:2076
      • C:\Windows\SysWOW64\WerFault.exe
        C:\Windows\SysWOW64\WerFault.exe -u -p 2076 -s 224
        3⤵
        • Program crash
        PID:848

Network

MITRE ATT&CK Matrix

Replay Monitor

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Downloads

  • memory/2076-0-0x0000000074860000-0x000000007486A000-memory.dmp

    Filesize

    40KB

  • memory/2076-2-0x0000000074860000-0x000000007486A000-memory.dmp

    Filesize

    40KB

  • memory/2076-3-0x0000000074850000-0x000000007485A000-memory.dmp

    Filesize

    40KB

  • memory/2076-1-0x0000000074840000-0x000000007484A000-memory.dmp

    Filesize

    40KB

  • memory/2076-6-0x0000000074860000-0x000000007486A000-memory.dmp

    Filesize

    40KB

  • memory/2076-7-0x0000000074860000-0x000000007486A000-memory.dmp

    Filesize

    40KB