Analysis

  • max time kernel
    121s
  • max time network
    123s
  • platform
    windows7_x64
  • resource
    win7-20240611-en
  • resource tags

    arch:x64arch:x86image:win7-20240611-enlocale:en-usos:windows7-x64system
  • submitted
    04/07/2024, 01:14

General

  • Target

    $TEMP/noui.exe

  • Size

    228KB

  • MD5

    436a55217e8c3b8f1bf80d81a3965813

  • SHA1

    59a85cdabea6c9162ecbfaa702446da2e2c73a1e

  • SHA256

    271b52381c8c60b06b11c69b203b731cd425b52aaa0c446be0f7d1689f9132af

  • SHA512

    d66309d5eb33476440dc35b6da3480cca14d9ff4c31c7e24a632f4b23630e9bf122136e55a99aa4a3f20e35878394c49a39909d055c1bd3c63cb80756f6b6b1e

  • SSDEEP

    6144:m+UM++1Zi89gReEb36snZ+DsjtyVCyLBDgv7TCGuMo:A/Wi89gReI36EZCskVC2BFG

Score
7/10

Malware Config

Signatures

  • ASPack v2.12-2.42 1 IoCs

    Detects executables packed with ASPack v2.12-2.42

  • Loads dropped DLL 1 IoCs
  • Drops file in System32 directory 2 IoCs
  • Modifies registry class 4 IoCs
  • Suspicious use of WriteProcessMemory 7 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\$TEMP\noui.exe
    "C:\Users\Admin\AppData\Local\Temp\$TEMP\noui.exe"
    1⤵
    • Drops file in System32 directory
    • Modifies registry class
    • Suspicious use of WriteProcessMemory
    PID:2252
    • C:\Windows\SysWOW64\regsvr32.exe
      regsvr32 -s C:\Windows\system32\band_s.dll
      2⤵
      • Loads dropped DLL
      PID:3056

Network

MITRE ATT&CK Matrix

Replay Monitor

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Downloads

  • C:\Windows\SysWOW64\band_s.dll

    Filesize

    218KB

    MD5

    140ca271c5d12f031ab2f3cbc98ee19d

    SHA1

    034af3cf6762c155b5a104c242b68d7c5a7dd76f

    SHA256

    b5187fb26ae50a447d935bcd618a721dc95e0d5d2eb74a38525a8bae6aa39e35

    SHA512

    cf87048cd15117412c6bc0ced68923abd85cb940ffddc75a66651337340d41f98a1e8a0e19f5394031d4d4da4109399ab56a92da0205236ceeb3d1065ba1009b

  • memory/2252-3-0x0000000000400000-0x0000000000444000-memory.dmp

    Filesize

    272KB