Analysis

  • max time kernel
    147s
  • max time network
    153s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20240508-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20240508-enlocale:en-usos:windows10-2004-x64system
  • submitted
    11-06-2024 13:17

General

  • Target

    uninst.exe

  • Size

    338KB

  • MD5

    3c03aa0a11686e0413a7f56b861972eb

  • SHA1

    d291d59d8dab8d1fd0c7873a529def7dd05cc0db

  • SHA256

    e613cbdca52993e08c6acbc750536b808f0e88024887867dc6cadf12aa9e93b1

  • SHA512

    d002b3c02d6a65f49cf4aeb9ffd5ba1d75b6c5c2d1a2e31d8378d3b83e7950b64c8fd94af817806b7ba9f7850b836ea6602b67364c26d17a87e6f1c496f6a829

  • SSDEEP

    6144:E8LxBLC70uYGxH8Eq4HIWuGV2w1FpVd0RQJuFwNTGlg/kV:vC7ikm4HIoYw1zVaRQowNTKgMV

Score
7/10

Malware Config

Signatures

  • Deletes itself 1 IoCs
  • Executes dropped EXE 1 IoCs
  • Loads dropped DLL 2 IoCs
  • Writes to the Master Boot Record (MBR) 1 TTPs 1 IoCs

    Bootkits write to the MBR to gain persistence at a level below the operating system.

  • Enumerates physical storage devices 1 TTPs

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

  • NSIS installer 2 IoCs
  • Suspicious behavior: EnumeratesProcesses 24 IoCs
  • Suspicious use of WriteProcessMemory 6 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\uninst.exe
    "C:\Users\Admin\AppData\Local\Temp\uninst.exe"
    1⤵
    • Suspicious use of WriteProcessMemory
    PID:728
    • C:\Users\Admin\AppData\Local\Temp\~nsuA.tmp\Au_.exe
      "C:\Users\Admin\AppData\Local\Temp\~nsuA.tmp\Au_.exe" _?=C:\Users\Admin\AppData\Local\Temp\
      2⤵
      • Deletes itself
      • Executes dropped EXE
      • Loads dropped DLL
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of WriteProcessMemory
      PID:4380
      • C:\Users\Admin\AppData\Local\Temp\lq.exe
        "C:\Users\Admin\AppData\Local\Temp\lq.exe" /uninstallsucc
        3⤵
        • Writes to the Master Boot Record (MBR)
        • Suspicious behavior: EnumeratesProcesses
        PID:1468

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

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Downloads

  • C:\Users\Admin\AppData\Local\Temp\config.ini

    Filesize

    396B

    MD5

    b6a477832c0b2970d35fa811dd137dc4

    SHA1

    9ba543be34bb54225f9110cd800db26283c56461

    SHA256

    da1ecd9afbea03ad48769f3812be703b1f3f1c213401fded9afbbfd401814636

    SHA512

    6c181827aad44b0773119230110c5e22fc2ca8790604b88312759e37cb66aa181e3deb3e94b91f7436e6dc7232e7a9f794cf8a7e6ceb5af5ccb32d2b62dece59

  • C:\Users\Admin\AppData\Local\Temp\nsj5D44.tmp\FindProcDLL.dll

    Filesize

    3KB

    MD5

    8614c450637267afacad1645e23ba24a

    SHA1

    e7b7b09b5bbc13e910aa36316d9cc5fc5d4dcdc2

    SHA256

    0fa04f06a6de18d316832086891e9c23ae606d7784d5d5676385839b21ca2758

    SHA512

    af46cd679097584ff9a1d894a729b6397f4b3af17dff3e6f07bef257bc7e48ffa341d82daf298616cd5df1450fc5ab7435cacb70f27302b6db193f01a9f8391b

  • C:\Users\Admin\AppData\Local\Temp\nsj5D44.tmp\inetc.dll

    Filesize

    20KB

    MD5

    50fdadda3e993688401f6f1108fabdb4

    SHA1

    04a9ae55d0fb726be49809582cea41d75bf22a9a

    SHA256

    6d6ddc0d2b7d59eb91be44939457858ced5eb23cf4aa93ef33bb600eb28de6f6

    SHA512

    e9628870feea8c3aaefe22a2af41cf34b1c1778c4a0e81d069f50553ce1a23f68a0ba74b296420b2be92425d4995a43e51c018c2e8197ec2ec39305e87c56be8

  • C:\Users\Admin\AppData\Local\Temp\~nsuA.tmp\Au_.exe

    Filesize

    338KB

    MD5

    3c03aa0a11686e0413a7f56b861972eb

    SHA1

    d291d59d8dab8d1fd0c7873a529def7dd05cc0db

    SHA256

    e613cbdca52993e08c6acbc750536b808f0e88024887867dc6cadf12aa9e93b1

    SHA512

    d002b3c02d6a65f49cf4aeb9ffd5ba1d75b6c5c2d1a2e31d8378d3b83e7950b64c8fd94af817806b7ba9f7850b836ea6602b67364c26d17a87e6f1c496f6a829

  • memory/4380-10-0x0000000010000000-0x0000000010003000-memory.dmp

    Filesize

    12KB