Resubmissions

28-03-2024 15:06

240328-sgx9sshb9x 10

28-03-2024 14:55

240328-sar47sha3x 10

Analysis

  • max time kernel
    92s
  • max time network
    100s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20240226-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20240226-enlocale:en-usos:windows10-2004-x64system
  • submitted
    28-03-2024 14:55

General

  • Target

    5e902a138174c34e5445685c82b2044e0b35565854471aaccef0315c77288dc9.exe

  • Size

    208KB

  • MD5

    12bc78e07cb69dd6ec32729240dbe537

  • SHA1

    7b7d9b115ec10074f7166ec3379fead6e816da59

  • SHA256

    5e902a138174c34e5445685c82b2044e0b35565854471aaccef0315c77288dc9

  • SHA512

    c974592671b081d0af48c1aab9f9f02243773a081d9fadf70e3caa7454dca657b45bece27852397e74f601df1abdf5db496c821a5df624057355fd15c807e15a

  • SSDEEP

    3072:GXbUMNAwQ2Jpo/AkQCUyevi8xRpz81NADJ2:ibUMKwQ2J4ReviSjeKN

Malware Config

Signatures

  • CryptoLocker

    Ransomware family with multiple variants.

  • Deletes shadow copies 2 TTPs

    Ransomware often targets backup files to inhibit system recovery.

  • Checks computer location settings 2 TTPs 1 IoCs

    Looks up country code configured in the registry, likely geofence.

  • Enumerates physical storage devices 1 TTPs

    Attempts to interact with connected storage/optical drive(s).

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

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

  • Interacts with shadow copies 2 TTPs 1 IoCs

    Shadow copies are often targeted by ransomware to inhibit system recovery.

  • Suspicious behavior: EnumeratesProcesses 16 IoCs
  • Suspicious use of AdjustPrivilegeToken 26 IoCs
  • Suspicious use of FindShellTrayWindow 41 IoCs
  • Suspicious use of SendNotifyMessage 41 IoCs
  • Suspicious use of WriteProcessMemory 8 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\5e902a138174c34e5445685c82b2044e0b35565854471aaccef0315c77288dc9.exe
    "C:\Users\Admin\AppData\Local\Temp\5e902a138174c34e5445685c82b2044e0b35565854471aaccef0315c77288dc9.exe"
    1⤵
    • Checks computer location settings
    • Suspicious use of WriteProcessMemory
    PID:4312
    • C:\Windows\System32\cmd.exe
      "C:\Windows\System32\cmd.exe" /C wmic.exe SHADOWCOPY /nointeractive
      2⤵
      • Suspicious use of WriteProcessMemory
      PID:1456
      • C:\Windows\System32\Wbem\WMIC.exe
        wmic.exe SHADOWCOPY /nointeractive
        3⤵
        • Suspicious use of AdjustPrivilegeToken
        PID:2136
    • C:\Windows\System32\cmd.exe
      "C:\Windows\System32\cmd.exe" /C vssadmin.exe Delete Shadows /All/ Quiet
      2⤵
      • Suspicious use of WriteProcessMemory
      PID:5096
      • C:\Windows\system32\vssadmin.exe
        vssadmin.exe Delete Shadows /All/ Quiet
        3⤵
        • Interacts with shadow copies
        PID:3244
  • 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:4568

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

Loading Replay Monitor...

Downloads

  • memory/4312-0-0x0000000000E10000-0x0000000000E4A000-memory.dmp

    Filesize

    232KB

  • memory/4312-1-0x00007FFDB2A20000-0x00007FFDB34E1000-memory.dmp

    Filesize

    10.8MB

  • memory/4312-2-0x000000001BB40000-0x000000001BB50000-memory.dmp

    Filesize

    64KB

  • memory/4312-3-0x000000001BB40000-0x000000001BB50000-memory.dmp

    Filesize

    64KB

  • memory/4312-51-0x00007FFDB2A20000-0x00007FFDB34E1000-memory.dmp

    Filesize

    10.8MB

  • memory/4312-52-0x000000001BB40000-0x000000001BB50000-memory.dmp

    Filesize

    64KB

  • memory/4312-53-0x000000001BB40000-0x000000001BB50000-memory.dmp

    Filesize

    64KB

  • memory/4568-55-0x000001B93EF80000-0x000001B93EF81000-memory.dmp

    Filesize

    4KB

  • memory/4568-54-0x000001B93EF80000-0x000001B93EF81000-memory.dmp

    Filesize

    4KB

  • memory/4568-56-0x000001B93EF80000-0x000001B93EF81000-memory.dmp

    Filesize

    4KB

  • memory/4568-60-0x000001B93EF80000-0x000001B93EF81000-memory.dmp

    Filesize

    4KB

  • memory/4568-61-0x000001B93EF80000-0x000001B93EF81000-memory.dmp

    Filesize

    4KB

  • memory/4568-62-0x000001B93EF80000-0x000001B93EF81000-memory.dmp

    Filesize

    4KB

  • memory/4568-64-0x000001B93EF80000-0x000001B93EF81000-memory.dmp

    Filesize

    4KB

  • memory/4568-63-0x000001B93EF80000-0x000001B93EF81000-memory.dmp

    Filesize

    4KB

  • memory/4568-65-0x000001B93EF80000-0x000001B93EF81000-memory.dmp

    Filesize

    4KB

  • memory/4568-66-0x000001B93EF80000-0x000001B93EF81000-memory.dmp

    Filesize

    4KB