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Analysis

  • max time kernel
    119s
  • max time network
    120s
  • platform
    windows7_x64
  • resource
    win7-20240903-en
  • resource tags

    arch:x64arch:x86image:win7-20240903-enlocale:en-usos:windows7-x64system
  • submitted
    02/10/2024, 15:00

General

  • Target

    uninst.exe

  • Size

    36KB

  • MD5

    8420438e419d653f911f16abfd26c9ed

  • SHA1

    d39750d6ceb780df4ea984d9645b2f9e94b80329

  • SHA256

    77a417460ee0c8c5bc65188ea2b0fa4ca9b2d2d6c94daa0ea206ea909e7d929a

  • SHA512

    c1ef2f814e7095d6c36986239441b4f0e91922ca70ddb64e857f267b84359117d6cbb426a30582e5ef0bc8e6bcd5a7787cee6200d9cfa10111b7000cd7e15a68

  • SSDEEP

    768:51DVgVapclBrPlbLQPCGB4/deAC6Jn7z8Ld8tx8wxp4wFBOV1mJHbaQ8b:fDV6awBrdbLkrude7mnflp4tmJHmT

Score
7/10

Malware Config

Signatures

  • Deletes itself 1 IoCs
  • Executes dropped EXE 1 IoCs
  • Loads dropped DLL 4 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.

  • NSIS installer 1 IoCs
  • Suspicious use of WriteProcessMemory 7 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\uninst.exe
    "C:\Users\Admin\AppData\Local\Temp\uninst.exe"
    1⤵
    • Loads dropped DLL
    • System Location Discovery: System Language Discovery
    • Suspicious use of WriteProcessMemory
    PID:2792
    • C:\Users\Admin\AppData\Local\Temp\~nsu.tmp\Au_.exe
      "C:\Users\Admin\AppData\Local\Temp\~nsu.tmp\Au_.exe" _?=C:\Users\Admin\AppData\Local\Temp\
      2⤵
      • Deletes itself
      • Executes dropped EXE
      • Loads dropped DLL
      • System Location Discovery: System Language Discovery
      PID:2704

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

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Downloads

  • \Users\Admin\AppData\Local\Temp\~nsu.tmp\Au_.exe

    Filesize

    36KB

    MD5

    8420438e419d653f911f16abfd26c9ed

    SHA1

    d39750d6ceb780df4ea984d9645b2f9e94b80329

    SHA256

    77a417460ee0c8c5bc65188ea2b0fa4ca9b2d2d6c94daa0ea206ea909e7d929a

    SHA512

    c1ef2f814e7095d6c36986239441b4f0e91922ca70ddb64e857f267b84359117d6cbb426a30582e5ef0bc8e6bcd5a7787cee6200d9cfa10111b7000cd7e15a68