Analysis

  • max time kernel
    121s
  • max time network
    122s
  • platform
    windows7_x64
  • resource
    win7-20240221-en
  • resource tags

    arch:x64arch:x86image:win7-20240221-enlocale:en-usos:windows7-x64system
  • submitted
    20-06-2024 06:12

General

  • Target

    uninst.exe

  • Size

    55KB

  • MD5

    3df27c497a8e36ba8da1fbe16d08c617

  • SHA1

    eeba54b50da6c9e68e97327c8760f4bc3343485d

  • SHA256

    a3cfb3fa37649c409e04023fcc0cf9c9d12ac69bd102294b966905ee850d1efd

  • SHA512

    9fc28adfb87427f15f566790f7ef182190a03f2430721120fe628b4f5f5fe63fd1785f6c09f63494f911eb16d7228e37ca17c87d113a48196e66399b47eaead7

  • SSDEEP

    1536:YsLMFdHBBdKCpq4kJY6M+t7XoGt/L8VFMdmB2DW:YsLMFjLKoq4kJYKZ5LUv

Score
7/10

Malware Config

Signatures

  • Deletes itself 1 IoCs
  • Executes dropped EXE 1 IoCs
  • Loads dropped DLL 5 IoCs
  • Enumerates physical storage devices 1 TTPs

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

  • 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
    • Suspicious use of WriteProcessMemory
    PID:3024
    • 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
      PID:2012

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

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Downloads

  • \Users\Admin\AppData\Local\Temp\nsy21F3.tmp\LangDLL.dll

    Filesize

    5KB

    MD5

    dbab668ce84d6b38824ed1c9b9121adb

    SHA1

    de8c80d7b0d01fafb750b2bded1f055d102aa3d0

    SHA256

    ede19cf9613ccbf2f4c731f6eb1460efe56484e97c8a0745a2a5460571e64f11

    SHA512

    5857680db3b642f14742ad55a3349cbe059c18c5dc58ae0def53886df5eb2c9abf5e444db1bc8449db779c33e940f8f2c4a7520ad8f374b9f2f01e57d6a2c953

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

    Filesize

    55KB

    MD5

    3df27c497a8e36ba8da1fbe16d08c617

    SHA1

    eeba54b50da6c9e68e97327c8760f4bc3343485d

    SHA256

    a3cfb3fa37649c409e04023fcc0cf9c9d12ac69bd102294b966905ee850d1efd

    SHA512

    9fc28adfb87427f15f566790f7ef182190a03f2430721120fe628b4f5f5fe63fd1785f6c09f63494f911eb16d7228e37ca17c87d113a48196e66399b47eaead7