Analysis

  • max time kernel
    149s
  • max time network
    150s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20240802-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20240802-enlocale:en-usos:windows10-2004-x64system
  • submitted
    17/08/2024, 06:08

General

  • Target

    Patcher.exe

  • Size

    680KB

  • MD5

    39ab727f9310c4ba315a4fe5465a20d0

  • SHA1

    ba9bf74cc2c5a94cf5ba88536443b12815d329ad

  • SHA256

    d6cdbfa51e730c53860d5897438910f5f6a543a24bf6a4d14eaf1395bac0a371

  • SHA512

    16e9d1e1334defb8cee8e2dee611ab083c4ec7069347b3fe4129041d9ddd5286839243a6f752680829de0dd06671249fb81225eba3e96b24de55aff7f9da6eb2

  • SSDEEP

    12288:md9de9z5CaDnzGyNPlT2OoyNLQ9/scXNDgv//2jG:G9o91nNFpLqs1v//2i

Score
7/10

Malware Config

Signatures

  • Checks computer location settings 2 TTPs 1 IoCs

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

  • Executes dropped EXE 1 IoCs
  • Drops file in System32 directory 2 IoCs
  • Enumerates physical storage devices 1 TTPs

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

  • System Location Discovery: System Language Discovery 1 TTPs 3 IoCs

    Attempt gather information about the system language of a victim in order to infer the geographical location of that host.

  • 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 behavior: GetForegroundWindowSpam 1 IoCs
  • Suspicious use of AdjustPrivilegeToken 3 IoCs
  • Suspicious use of FindShellTrayWindow 64 IoCs
  • Suspicious use of SendNotifyMessage 64 IoCs
  • Suspicious use of WriteProcessMemory 6 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\Patcher.exe
    "C:\Users\Admin\AppData\Local\Temp\Patcher.exe"
    1⤵
    • Checks computer location settings
    • System Location Discovery: System Language Discovery
    • Suspicious use of WriteProcessMemory
    PID:2880
    • C:\Users\Admin\AppData\Local\Temp\rxbot.exe
      "C:\Users\Admin\AppData\Local\Temp\rxbot.exe"
      2⤵
      • Executes dropped EXE
      • Drops file in System32 directory
      • System Location Discovery: System Language Discovery
      • Suspicious use of WriteProcessMemory
      PID:1196
      • C:\Windows\SysWOW64\taskmgr.exe
        C:\Windows\system32\taskmgr.exe 1152 "C:\Users\Admin\AppData\Local\Temp\rxbot.exe"
        3⤵
        • System Location Discovery: System Language Discovery
        • Checks SCSI registry key(s)
        • Suspicious behavior: EnumeratesProcesses
        • Suspicious behavior: GetForegroundWindowSpam
        • Suspicious use of AdjustPrivilegeToken
        • Suspicious use of FindShellTrayWindow
        • Suspicious use of SendNotifyMessage
        PID:3848

Network

        MITRE ATT&CK Enterprise v15

        Replay Monitor

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        Downloads

        • C:\Users\Admin\AppData\Local\Temp\rxbot.exe

          Filesize

          185KB

          MD5

          eb279ebb903ac0b5a65d1377540621aa

          SHA1

          03edfd022a990937c5d6f69b27ca5c89e58ea0e1

          SHA256

          89d78f183920b42e703f2bca05c9ed9ae36c68f4b55c540d1aab77549690e88a

          SHA512

          240c592f1b8659c09169aee082e8d5f3264c85d25b5a0e26d4a45795e327b86b649c02a0c50442e28afc70be76d3e7ba51f2c7c392c25aff6ab5085f4dfbad08

        • memory/2880-0-0x0000000074712000-0x0000000074713000-memory.dmp

          Filesize

          4KB

        • memory/2880-1-0x0000000074710000-0x0000000074CC1000-memory.dmp

          Filesize

          5.7MB

        • memory/2880-2-0x0000000074710000-0x0000000074CC1000-memory.dmp

          Filesize

          5.7MB

        • memory/2880-12-0x0000000074710000-0x0000000074CC1000-memory.dmp

          Filesize

          5.7MB

        • memory/3848-14-0x00000000089B0000-0x00000000089B1000-memory.dmp

          Filesize

          4KB

        • memory/3848-13-0x00000000089B0000-0x00000000089B1000-memory.dmp

          Filesize

          4KB

        • memory/3848-15-0x00000000089B0000-0x00000000089B1000-memory.dmp

          Filesize

          4KB

        • memory/3848-25-0x00000000089B0000-0x00000000089B1000-memory.dmp

          Filesize

          4KB

        • memory/3848-24-0x00000000089B0000-0x00000000089B1000-memory.dmp

          Filesize

          4KB

        • memory/3848-23-0x00000000089B0000-0x00000000089B1000-memory.dmp

          Filesize

          4KB

        • memory/3848-22-0x00000000089B0000-0x00000000089B1000-memory.dmp

          Filesize

          4KB

        • memory/3848-21-0x00000000089B0000-0x00000000089B1000-memory.dmp

          Filesize

          4KB

        • memory/3848-20-0x00000000089B0000-0x00000000089B1000-memory.dmp

          Filesize

          4KB

        • memory/3848-19-0x00000000089B0000-0x00000000089B1000-memory.dmp

          Filesize

          4KB