Analysis

  • max time kernel
    121s
  • max time network
    134s
  • platform
    windows7_x64
  • resource
    win7-20240221-en
  • resource tags

    arch:x64arch:x86image:win7-20240221-enlocale:en-usos:windows7-x64system
  • submitted
    14-03-2024 18:58

General

  • Target

    Loader.exe

  • Size

    229KB

  • MD5

    7d3ec891ac80ae5fbbf0366e5b4ea702

  • SHA1

    344763c3be81c43ee0e0e0022242b550b5e1a0b3

  • SHA256

    843af731d37eb2dcf935d99b426f6aa4068f6e53707dc5ed82bc40670e9f59a4

  • SHA512

    c07ad66d8ac875fa4e13f4c826963271bd6b5e090e44f371ae5bdb05e454c733a1286679dc9ce2151790de8ad0916040f402a6eff9709052878ea3dbc6aa9375

  • SSDEEP

    6144:lloZM+rIkd8g+EtXHkv/iD4zHUkecjfUh1gevPeOsb8e1mSi:noZtL+EP8zHUkecjfUh1gevPe7I

Score
10/10

Malware Config

Signatures

  • Detect Umbral payload 2 IoCs
  • Umbral

    Umbral stealer is an opensource moduler stealer written in C#.

  • Suspicious use of AdjustPrivilegeToken 41 IoCs
  • Suspicious use of WriteProcessMemory 3 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\Loader.exe
    "C:\Users\Admin\AppData\Local\Temp\Loader.exe"
    1⤵
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of WriteProcessMemory
    PID:2944
    • C:\Windows\System32\Wbem\wmic.exe
      "wmic.exe" csproduct get uuid
      2⤵
      • Suspicious use of AdjustPrivilegeToken
      PID:2928

Network

MITRE ATT&CK Matrix

Replay Monitor

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Downloads

  • memory/2944-0-0x0000000000A80000-0x0000000000AC0000-memory.dmp

    Filesize

    256KB

  • memory/2944-1-0x000007FEF5760000-0x000007FEF614C000-memory.dmp

    Filesize

    9.9MB

  • memory/2944-2-0x000000001B310000-0x000000001B390000-memory.dmp

    Filesize

    512KB

  • memory/2944-3-0x000007FEF5760000-0x000007FEF614C000-memory.dmp

    Filesize

    9.9MB

  • memory/2944-4-0x000000001B310000-0x000000001B390000-memory.dmp

    Filesize

    512KB

  • memory/2944-5-0x000007FEF5760000-0x000007FEF614C000-memory.dmp

    Filesize

    9.9MB