Analysis

  • max time kernel
    148s
  • max time network
    151s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20240226-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20240226-enlocale:en-usos:windows10-2004-x64system
  • submitted
    06-04-2024 20:01

General

  • Target

    2a4f90d87ef37266b2bfd8d4729bccca7898613529496e1614c2aded9221c725.exe

  • Size

    227KB

  • MD5

    02ad60326e6e752105b1e608c4e642cc

  • SHA1

    b953c4ae639e3698d6fbf3acb22256651f9bc7f3

  • SHA256

    2a4f90d87ef37266b2bfd8d4729bccca7898613529496e1614c2aded9221c725

  • SHA512

    b773e994a2349274b9a8910a5e8c32324dc53d587ca88681a22a9f1e47304110f0c839952519b56a2b28fb14ea4aa97db979be5b57675b9f1a17a58657f9f453

  • SSDEEP

    6144:+loZMNrIkd8g+EtXHkv/iD4i8hqZHMgPtu35EwFkOb8e1mf3i:ooZ+L+EP8i8hqZHMgPtu35EwFLmS

Score
10/10

Malware Config

Signatures

  • Detect Umbral payload 1 IoCs
  • Umbral

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

  • Suspicious use of AdjustPrivilegeToken 43 IoCs
  • Suspicious use of WriteProcessMemory 2 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\2a4f90d87ef37266b2bfd8d4729bccca7898613529496e1614c2aded9221c725.exe
    "C:\Users\Admin\AppData\Local\Temp\2a4f90d87ef37266b2bfd8d4729bccca7898613529496e1614c2aded9221c725.exe"
    1⤵
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of WriteProcessMemory
    PID:220
    • C:\Windows\System32\Wbem\wmic.exe
      "wmic.exe" csproduct get uuid
      2⤵
      • Suspicious use of AdjustPrivilegeToken
      PID:4260

Network

MITRE ATT&CK Matrix

Replay Monitor

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Downloads

  • memory/220-0-0x000001D515840000-0x000001D515880000-memory.dmp

    Filesize

    256KB

  • memory/220-1-0x00007FFEB1B20000-0x00007FFEB25E1000-memory.dmp

    Filesize

    10.8MB

  • memory/220-2-0x000001D52FD90000-0x000001D52FDA0000-memory.dmp

    Filesize

    64KB

  • memory/220-4-0x00007FFEB1B20000-0x00007FFEB25E1000-memory.dmp

    Filesize

    10.8MB