Analysis

  • max time kernel
    140s
  • max time network
    106s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20241007-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-x64system
  • submitted
    23-10-2024 12:03

General

  • Target

    Sash_crack.exe

  • Size

    229KB

  • MD5

    b4194015c260caf700eb8fa8b68bd715

  • SHA1

    fbba3ddf29726fdc112771d7d31e39ada64dbd47

  • SHA256

    3e6c300b61fc97ddc3577f37aba155b7ca1023dc5206a2f763216d4bcc613973

  • SHA512

    7a561d4282b9460cbc5947512c5d1ae0fdc886fa8f6752d3daa6a9f3d829e2984373cdfb66853bd424b161bde05b6f6ba704c52a422f9afb21b9b32c9d5497e5

  • SSDEEP

    6144:tloZM+rIkd8g+EtXHkv/iD4/c2DmHdmOhPU9va6v/Rb8e1m4/i:voZtL+EP8/c2DmHdmOhPU9va6vBrq

Score
10/10

Malware Config

Signatures

  • Detect Umbral payload 1 IoCs
  • Umbral

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

  • Looks up external IP address via web service 1 IoCs

    Uses a legitimate IP lookup service to find the infected system's external IP.

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

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

  • Suspicious behavior: EnumeratesProcesses 64 IoCs
  • Suspicious use of AdjustPrivilegeToken 46 IoCs
  • Suspicious use of FindShellTrayWindow 64 IoCs
  • Suspicious use of SendNotifyMessage 64 IoCs
  • Suspicious use of WriteProcessMemory 2 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\Sash_crack.exe
    "C:\Users\Admin\AppData\Local\Temp\Sash_crack.exe"
    1⤵
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of WriteProcessMemory
    PID:3160
    • C:\Windows\System32\Wbem\wmic.exe
      "wmic.exe" csproduct get uuid
      2⤵
      • Suspicious use of AdjustPrivilegeToken
      PID:2188
  • 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:2360

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

Loading Replay Monitor...

Downloads

  • memory/2360-17-0x0000017FE3A40000-0x0000017FE3A41000-memory.dmp

    Filesize

    4KB

  • memory/2360-6-0x0000017FE3A40000-0x0000017FE3A41000-memory.dmp

    Filesize

    4KB

  • memory/2360-12-0x0000017FE3A40000-0x0000017FE3A41000-memory.dmp

    Filesize

    4KB

  • memory/2360-13-0x0000017FE3A40000-0x0000017FE3A41000-memory.dmp

    Filesize

    4KB

  • memory/2360-5-0x0000017FE3A40000-0x0000017FE3A41000-memory.dmp

    Filesize

    4KB

  • memory/2360-7-0x0000017FE3A40000-0x0000017FE3A41000-memory.dmp

    Filesize

    4KB

  • memory/2360-14-0x0000017FE3A40000-0x0000017FE3A41000-memory.dmp

    Filesize

    4KB

  • memory/2360-11-0x0000017FE3A40000-0x0000017FE3A41000-memory.dmp

    Filesize

    4KB

  • memory/2360-16-0x0000017FE3A40000-0x0000017FE3A41000-memory.dmp

    Filesize

    4KB

  • memory/2360-15-0x0000017FE3A40000-0x0000017FE3A41000-memory.dmp

    Filesize

    4KB

  • memory/3160-0-0x00007FF998063000-0x00007FF998065000-memory.dmp

    Filesize

    8KB

  • memory/3160-1-0x000001B0E07C0000-0x000001B0E0800000-memory.dmp

    Filesize

    256KB

  • memory/3160-4-0x00007FF998060000-0x00007FF998B21000-memory.dmp

    Filesize

    10.8MB

  • memory/3160-2-0x00007FF998060000-0x00007FF998B21000-memory.dmp

    Filesize

    10.8MB