Resubmissions

18-03-2024 14:39

240318-r1efcsbg4x 10

18-03-2024 14:35

240318-rx8vssbf81 10

Analysis

  • max time kernel
    119s
  • max time network
    120s
  • platform
    windows7_x64
  • resource
    win7-20240221-en
  • resource tags

    arch:x64arch:x86image:win7-20240221-enlocale:en-usos:windows7-x64system
  • submitted
    18-03-2024 14:35

General

  • Target

    celex.exe

  • Size

    227KB

  • MD5

    f16dec0bdfdb9ae71b1b410c6ed815ec

  • SHA1

    10077d4bbc449011fdebc06810fc2196873eaf86

  • SHA256

    d94fca1806e2fd56a8d56dd4599ba69f39633a0247b78922773da7504d51cf19

  • SHA512

    3b9d0b195eb8348fb44739d9a703228113c9810f50e9d145eaac0e8642dbac9435b593be7f982f4b0c041b6bc635b2b14da5fcba577004e3e25f77a2b7ad071e

  • SSDEEP

    6144:eloZM+rIkd8g+EtXHkv/iD4oAWfecjfUQ1gevPec5/b8e1mPi:IoZtL+EP8oAWfecjfUQ1gevPecNR

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\celex.exe
    "C:\Users\Admin\AppData\Local\Temp\celex.exe"
    1⤵
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of WriteProcessMemory
    PID:2928
    • C:\Windows\System32\Wbem\wmic.exe
      "wmic.exe" csproduct get uuid
      2⤵
      • Suspicious use of AdjustPrivilegeToken
      PID:2292

Network

MITRE ATT&CK Matrix

Replay Monitor

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Downloads

  • memory/2928-0-0x0000000001360000-0x00000000013A0000-memory.dmp

    Filesize

    256KB

  • memory/2928-1-0x000007FEF5BD0000-0x000007FEF65BC000-memory.dmp

    Filesize

    9.9MB

  • memory/2928-2-0x000000001B000000-0x000000001B080000-memory.dmp

    Filesize

    512KB

  • memory/2928-3-0x000007FEF5BD0000-0x000007FEF65BC000-memory.dmp

    Filesize

    9.9MB