Analysis

  • max time kernel
    148s
  • max time network
    149s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20241007-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-x64system
  • submitted
    09-11-2024 19:03

General

  • Target

    091ee50704e73b1403cad308a62be22601ffd7617b811a68bed852b5d4d00d2b.exe

  • Size

    158KB

  • MD5

    d95290c7dd02af90af3a1f74e5c22bd3

  • SHA1

    e8d61b77ac83f82255025e1bddba185ec2aad331

  • SHA256

    091ee50704e73b1403cad308a62be22601ffd7617b811a68bed852b5d4d00d2b

  • SHA512

    da18c0960d19a08de5cf996bec1018edbfc122ee68a58bc753a88d9bb6ef62afd857826e55d9f702356ab794418612b909ed55fb0f188cadcccbd97f369916e0

  • SSDEEP

    3072:oZpYg19EeiLLmjempGuCYooEK1JWaCItULG3rt2Wcora4dI:OPjEl6jLiQ1JW+Oy3p/

Malware Config

Signatures

  • ACProtect 1.3x - 1.4x DLL software 1 IoCs

    Detects file using ACProtect software.

  • Deletes itself 1 IoCs
  • Executes dropped EXE 2 IoCs
  • Loads dropped DLL 1 IoCs
  • Reads user/profile data of web browsers 3 TTPs

    Infostealers often target stored browser data, which can include saved credentials etc.

  • Adds Run key to start application 2 TTPs 1 IoCs
  • Enumerates connected drives 3 TTPs 23 IoCs

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

  • Writes to the Master Boot Record (MBR) 1 TTPs 1 IoCs

    Bootkits write to the MBR to gain persistence at a level below the operating system.

  • Drops file in Program Files directory 4 IoCs
  • System Location Discovery: System Language Discovery 1 TTPs 5 IoCs

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

  • System Network Configuration Discovery: Internet Connection Discovery 1 TTPs 2 IoCs

    Adversaries may check for Internet connectivity on compromised systems.

  • Checks processor information in registry 2 TTPs 2 IoCs

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

  • Runs ping.exe 1 TTPs 1 IoCs
  • Suspicious behavior: EnumeratesProcesses 4 IoCs
  • Suspicious use of AdjustPrivilegeToken 1 IoCs
  • Suspicious use of SetWindowsHookEx 2 IoCs
  • Suspicious use of WriteProcessMemory 12 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\091ee50704e73b1403cad308a62be22601ffd7617b811a68bed852b5d4d00d2b.exe
    "C:\Users\Admin\AppData\Local\Temp\091ee50704e73b1403cad308a62be22601ffd7617b811a68bed852b5d4d00d2b.exe"
    1⤵
    • System Location Discovery: System Language Discovery
    • Suspicious use of SetWindowsHookEx
    • Suspicious use of WriteProcessMemory
    PID:3828
    • C:\Windows\SysWOW64\cmd.exe
      cmd.exe /c ping 127.0.0.1 -n 2&C:\Users\Admin\AppData\Local\Temp\\pegsp.exe "C:\Users\Admin\AppData\Local\Temp\091ee50704e73b1403cad308a62be22601ffd7617b811a68bed852b5d4d00d2b.exe"
      2⤵
      • System Location Discovery: System Language Discovery
      • System Network Configuration Discovery: Internet Connection Discovery
      • Suspicious use of WriteProcessMemory
      PID:4400
      • C:\Windows\SysWOW64\PING.EXE
        ping 127.0.0.1 -n 2
        3⤵
        • System Location Discovery: System Language Discovery
        • System Network Configuration Discovery: Internet Connection Discovery
        • Runs ping.exe
        PID:1044
      • C:\Users\Admin\AppData\Local\Temp\pegsp.exe
        C:\Users\Admin\AppData\Local\Temp\\pegsp.exe "C:\Users\Admin\AppData\Local\Temp\091ee50704e73b1403cad308a62be22601ffd7617b811a68bed852b5d4d00d2b.exe"
        3⤵
        • Deletes itself
        • Executes dropped EXE
        • Drops file in Program Files directory
        • System Location Discovery: System Language Discovery
        • Suspicious use of SetWindowsHookEx
        • Suspicious use of WriteProcessMemory
        PID:700
        • \??\c:\Program Files\rrvwh\pct.exe
          "c:\Program Files\rrvwh\pct.exe" "c:\Program Files\rrvwh\pctou.dll",SetHandle C:\Users\Admin\AppData\Local\Temp\pegsp.exe
          4⤵
          • Executes dropped EXE
          • Loads dropped DLL
          • Adds Run key to start application
          • Enumerates connected drives
          • Writes to the Master Boot Record (MBR)
          • System Location Discovery: System Language Discovery
          • Checks processor information in registry
          • Suspicious behavior: EnumeratesProcesses
          • Suspicious use of AdjustPrivilegeToken
          PID:1508

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

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Downloads

  • C:\Program Files\rrvwh\pct.exe

    Filesize

    60KB

    MD5

    889b99c52a60dd49227c5e485a016679

    SHA1

    8fa889e456aa646a4d0a4349977430ce5fa5e2d7

    SHA256

    6cbe0e1f046b13b29bfa26f8b368281d2dda7eb9b718651d5856f22cc3e02910

    SHA512

    08933106eaf338dd119c45cbf1f83e723aff77cc0f8d3fc84e36253b1eb31557a54211d1d5d1cb58958188e32064d451f6c66a24b3963cccd3de07299ab90641

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

    Filesize

    158KB

    MD5

    5343823a7fc80b98e20e3dadb8ca188a

    SHA1

    fcde52140b233520c127c620ec590d4f43aa6d2c

    SHA256

    cacd3a06a89d07b254eca871b55c408f2809973636986ba7fee815f4cf74ae97

    SHA512

    6b08bfcde27330bfd47842fa7b81cd476d0a8037964934da624616ea33fc0908ee3adb2f7c7870e76dca90d4b0cf206b019050a22279fa6288607b7ae39e81ee

  • \??\c:\Program Files\rrvwh\pctou.dll

    Filesize

    128KB

    MD5

    6b3293ec8ecdf758147b1a2be34f003c

    SHA1

    eaec12132914c5ee6ebdb6c45fea4f6a8d577c3f

    SHA256

    7f37cb817fca6d12aa91ab1c699b7edf35c8a8c6b369707ee8100a3a41eb1a3a

    SHA512

    e0f1f1c2e9962f4a42959c753d6b0a793b6e3d72e20ffe6cfa77f5d18cb2db0eb698df6723000b7d3d930b33243086dbaafeb246f5ffbc9f80f7612987b67970

  • memory/700-10-0x0000000000400000-0x000000000042F036-memory.dmp

    Filesize

    188KB

  • memory/1508-14-0x0000000010000000-0x0000000010048000-memory.dmp

    Filesize

    288KB

  • memory/1508-15-0x0000000010000000-0x0000000010048000-memory.dmp

    Filesize

    288KB

  • memory/1508-17-0x0000000010000000-0x0000000010048000-memory.dmp

    Filesize

    288KB

  • memory/1508-19-0x0000000010000000-0x0000000010048000-memory.dmp

    Filesize

    288KB

  • memory/3828-0-0x0000000000400000-0x000000000042F036-memory.dmp

    Filesize

    188KB

  • memory/3828-2-0x0000000000400000-0x000000000042F036-memory.dmp

    Filesize

    188KB