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Analysis

  • max time kernel
    40s
  • max time network
    47s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20240226-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20240226-enlocale:en-usos:windows10-2004-x64system
  • submitted
    16/03/2024, 23:45

General

  • Target

    Flameware Private.exe

  • Size

    230KB

  • MD5

    abc025caa58fe6ecb84365b64d4ed757

  • SHA1

    b3113843f2267767c19386553405154ec7a71f85

  • SHA256

    5df04b74201455ad96f742657340d53387fe4d3642321f8d1f9bd76805d77570

  • SHA512

    2fe0131b442753d19ffe9443f20ece0bad4de6199a0b178f56eda4b97f71d635fdc493664c661dcfdb0fd29f30f834ae4e692411435ef5fd706fd4e915694492

  • SSDEEP

    6144:+loZM+rIkd8g+EtXHkv/iD4WEWFn9GfUL1gevPeywb8e1mhi:ooZtL+EP8WEWFn9GfUL1gevPeXj

Score
10/10

Malware Config

Signatures

  • Detect Umbral payload 1 IoCs
  • Umbral

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

  • Checks SCSI registry key(s) 3 TTPs 3 IoCs

    SCSI information is often read in order to detect sandboxing environments.

  • Suspicious behavior: EnumeratesProcesses 25 IoCs
  • Suspicious use of AdjustPrivilegeToken 46 IoCs
  • Suspicious use of FindShellTrayWindow 34 IoCs
  • Suspicious use of SendNotifyMessage 34 IoCs
  • Suspicious use of WriteProcessMemory 2 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\Flameware Private.exe
    "C:\Users\Admin\AppData\Local\Temp\Flameware Private.exe"
    1⤵
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of WriteProcessMemory
    PID:5112
    • C:\Windows\System32\Wbem\wmic.exe
      "wmic.exe" csproduct get uuid
      2⤵
      • Suspicious use of AdjustPrivilegeToken
      PID:964
  • C:\Windows\system32\taskmgr.exe
    "C:\Windows\system32\taskmgr.exe" /4
    1⤵
    • Checks SCSI registry key(s)
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of FindShellTrayWindow
    • Suspicious use of SendNotifyMessage
    PID:4808

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

Loading Replay Monitor...

Downloads

  • memory/4808-13-0x00000185C11F0000-0x00000185C11F1000-memory.dmp

    Filesize

    4KB

  • memory/4808-16-0x00000185C11F0000-0x00000185C11F1000-memory.dmp

    Filesize

    4KB

  • memory/4808-17-0x00000185C11F0000-0x00000185C11F1000-memory.dmp

    Filesize

    4KB

  • memory/4808-11-0x00000185C11F0000-0x00000185C11F1000-memory.dmp

    Filesize

    4KB

  • memory/4808-7-0x00000185C11F0000-0x00000185C11F1000-memory.dmp

    Filesize

    4KB

  • memory/4808-6-0x00000185C11F0000-0x00000185C11F1000-memory.dmp

    Filesize

    4KB

  • memory/4808-12-0x00000185C11F0000-0x00000185C11F1000-memory.dmp

    Filesize

    4KB

  • memory/4808-5-0x00000185C11F0000-0x00000185C11F1000-memory.dmp

    Filesize

    4KB

  • memory/4808-15-0x00000185C11F0000-0x00000185C11F1000-memory.dmp

    Filesize

    4KB

  • memory/4808-14-0x00000185C11F0000-0x00000185C11F1000-memory.dmp

    Filesize

    4KB

  • memory/5112-0-0x000002BC50590000-0x000002BC505D0000-memory.dmp

    Filesize

    256KB

  • memory/5112-1-0x00007FFC22690000-0x00007FFC23151000-memory.dmp

    Filesize

    10.8MB

  • memory/5112-4-0x00007FFC22690000-0x00007FFC23151000-memory.dmp

    Filesize

    10.8MB

  • memory/5112-2-0x000002BC6AB60000-0x000002BC6AB70000-memory.dmp

    Filesize

    64KB