Analysis

  • max time kernel
    131s
  • max time network
    150s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20220414-en
  • submitted
    10-06-2022 13:35

General

  • Target

    62946b8134065b0dab11faf906539fcfcbd2b6a89397e7fb8e187dd2d47ab232.exe

  • Size

    80KB

  • MD5

    9911fb71ef8b1a93c5c12f6b5c67c4c7

  • SHA1

    47a712dcb1d7b0e9b101646f55fead9855fd41fe

  • SHA256

    62946b8134065b0dab11faf906539fcfcbd2b6a89397e7fb8e187dd2d47ab232

  • SHA512

    763c9a814d8407ffe5c3d4f71882184f5c44ab187f3639a484bcc8d09256964e20273b1691fa0b7f478dfb57c90ac673d9cc2359389d093d969326ae56911cb4

Score
8/10

Malware Config

Signatures

  • Modifies Installed Components in the registry 2 TTPs 1 IoCs
  • Enumerates connected drives 3 TTPs 1 IoCs

    Attempts to read the root path of hard drives other than the default C: drive.

  • Drops file in Program Files directory 1 IoCs
  • Checks SCSI registry key(s) 3 TTPs 10 IoCs

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

  • Checks processor information in registry 2 TTPs 2 IoCs

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

  • Enumerates system info in registry 2 TTPs 2 IoCs
  • Modifies registry class 56 IoCs
  • Suspicious behavior: EnumeratesProcesses 1 IoCs
  • Suspicious use of AdjustPrivilegeToken 25 IoCs
  • Suspicious use of FindShellTrayWindow 49 IoCs
  • Suspicious use of SendNotifyMessage 21 IoCs
  • Suspicious use of SetWindowsHookEx 2 IoCs
  • Suspicious use of WriteProcessMemory 5 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\62946b8134065b0dab11faf906539fcfcbd2b6a89397e7fb8e187dd2d47ab232.exe
    "C:\Users\Admin\AppData\Local\Temp\62946b8134065b0dab11faf906539fcfcbd2b6a89397e7fb8e187dd2d47ab232.exe"
    1⤵
    • Drops file in Program Files directory
    • Checks processor information in registry
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of WriteProcessMemory
    PID:4016
    • C:\Windows\SysWOW64\runas.exe
      runas /trustlevel:0x20000 C:\Windows\explorer.exe
      2⤵
      • Suspicious use of WriteProcessMemory
      PID:2928
      • C:\Windows\explorer.exe
        C:\Windows\explorer.exe
        3⤵
        • Modifies Installed Components in the registry
        • Enumerates connected drives
        • Checks SCSI registry key(s)
        • Modifies registry class
        • Suspicious use of AdjustPrivilegeToken
        • Suspicious use of FindShellTrayWindow
        • Suspicious use of SendNotifyMessage
        PID:2524
  • C:\Windows\SystemApps\Microsoft.Windows.StartMenuExperienceHost_cw5n1h2txyewy\StartMenuExperienceHost.exe
    "C:\Windows\SystemApps\Microsoft.Windows.StartMenuExperienceHost_cw5n1h2txyewy\StartMenuExperienceHost.exe" -ServerName:App.AppXywbrabmsek0gm3tkwpr5kwzbs55tkqay.mca
    1⤵
    • Modifies registry class
    • Suspicious use of SetWindowsHookEx
    PID:3116
  • C:\Windows\SystemApps\Microsoft.Windows.Search_cw5n1h2txyewy\SearchApp.exe
    "C:\Windows\SystemApps\Microsoft.Windows.Search_cw5n1h2txyewy\SearchApp.exe" -ServerName:CortanaUI.AppX8z9r6jm96hw4bsbneegw0kyxx296wr9t.mca
    1⤵
    • Enumerates system info in registry
    • Modifies registry class
    • Suspicious use of SetWindowsHookEx
    PID:2860

Network

MITRE ATT&CK Matrix ATT&CK v6

Persistence

Registry Run Keys / Startup Folder

1
T1060

Defense Evasion

Modify Registry

1
T1112

Discovery

Query Registry

4
T1012

Peripheral Device Discovery

2
T1120

System Information Discovery

4
T1082

Replay Monitor

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Downloads

  • memory/2524-132-0x0000000000000000-mapping.dmp
  • memory/2860-146-0x000001DC3FBD0000-0x000001DC3FBF0000-memory.dmp
    Filesize

    128KB

  • memory/2860-141-0x000001DC3F020000-0x000001DC3F040000-memory.dmp
    Filesize

    128KB

  • memory/2860-142-0x000001DC3FCD0000-0x000001DC3FCF0000-memory.dmp
    Filesize

    128KB

  • memory/2860-145-0x000001DC3E0E0000-0x000001DC3E0E8000-memory.dmp
    Filesize

    32KB

  • memory/2860-149-0x000001DC3F040000-0x000001DC3F060000-memory.dmp
    Filesize

    128KB

  • memory/2860-150-0x000001DC41011000-0x000001DC41015000-memory.dmp
    Filesize

    16KB

  • memory/2860-151-0x000001DC41011000-0x000001DC41015000-memory.dmp
    Filesize

    16KB

  • memory/2860-152-0x000001DC41011000-0x000001DC41015000-memory.dmp
    Filesize

    16KB

  • memory/2860-153-0x000001DC41011000-0x000001DC41015000-memory.dmp
    Filesize

    16KB

  • memory/2860-154-0x000001DC41011000-0x000001DC41015000-memory.dmp
    Filesize

    16KB

  • memory/2928-131-0x0000000000000000-mapping.dmp
  • memory/4016-130-0x00000000749D0000-0x0000000074F81000-memory.dmp
    Filesize

    5.7MB

  • memory/4016-156-0x00000000749D0000-0x0000000074F81000-memory.dmp
    Filesize

    5.7MB