Analysis

  • max time kernel
    68s
  • max time network
    72s
  • platform
    windows7_x64
  • resource
    win7-20230703-en
  • resource tags

    arch:x64arch:x86image:win7-20230703-enlocale:en-usos:windows7-x64system
  • submitted
    09-07-2023 11:25

General

  • Target

    ImperialStealerexeexeexee.exe

  • Size

    287KB

  • MD5

    f0a434e6a2826a3bb563c59dfe720a94

  • SHA1

    46899f6dda27a9ddc7f0849f999a7d7851f6960c

  • SHA256

    0082170e2185d53ec008632a7e8d10b6ff831c063dd2fbf23b6a888f21e6da29

  • SHA512

    14fd13968cbc005764e43bfc62056c953a3c61c94f90888b9a3c26d3c0b1b8645335e7c950ad05787bd75423c5a2d310baf08dc41ed6aef99f773cab76f694e4

  • SSDEEP

    6144:+loZM+rIkd8g+EtXHkv/iD4U8OK/w2xpaqPyAxVk1Eb8e1mwi:ooZtL+EP8U8OK/w2xpaqPyAxVkOG

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\ImperialStealerexeexeexee.exe
    "C:\Users\Admin\AppData\Local\Temp\ImperialStealerexeexeexee.exe"
    1⤵
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of WriteProcessMemory
    PID:2332
    • C:\Windows\System32\Wbem\wmic.exe
      "wmic.exe" csproduct get uuid
      2⤵
      • Suspicious use of AdjustPrivilegeToken
      PID:1360

Network

MITRE ATT&CK Matrix

Replay Monitor

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Downloads

  • memory/2332-54-0x0000000000350000-0x000000000039E000-memory.dmp

    Filesize

    312KB

  • memory/2332-55-0x000000001A840000-0x000000001A8C0000-memory.dmp

    Filesize

    512KB

  • memory/2332-56-0x000000001A840000-0x000000001A8C0000-memory.dmp

    Filesize

    512KB