Analysis

  • max time kernel
    119s
  • max time network
    148s
  • platform
    windows7_x64
  • resource
    win7-20240903-en
  • resource tags

    arch:x64arch:x86image:win7-20240903-enlocale:en-usos:windows7-x64system
  • submitted
    07-11-2024 15:54

General

  • Target

    c5f4dab7c8114f6fd9742fed88895a12192bbbfdb5c6438f85c89a645961e142.exe

  • Size

    1.0MB

  • MD5

    e0de437a9326cd6a11e17b6a9fd9963f

  • SHA1

    fd866c5a382e9ce7c5492dbee1e47b90f6b56531

  • SHA256

    c5f4dab7c8114f6fd9742fed88895a12192bbbfdb5c6438f85c89a645961e142

  • SHA512

    18549cda4eb213966a9fedf63e997cd0dd5f4f338237b73ec3873997bde9566b85dc380e645624e7424f85be98c5c3574c544770365e01f7cc5af9a4fa9dfe51

  • SSDEEP

    24576:ffmMv6Ckr7Mny5QLmy4m8bMT0urDgE1tgZG3:f3v+7/5QLIbM3Dtg0

Malware Config

Extracted

Family

xworm

Version

5.0

C2

66.154.103.135:4800

Mutex

rm4C0XC5aW9eGOEB

Attributes
  • install_file

    USB.exe

aes.plain

Signatures

  • Detect Xworm Payload 34 IoCs
  • Xworm

    Xworm is a remote access trojan written in C#.

  • Xworm family
  • Drops startup file 1 IoCs
  • Executes dropped EXE 1 IoCs
  • Loads dropped DLL 1 IoCs
  • AutoIT Executable 1 IoCs

    AutoIT scripts compiled to PE executables.

  • Suspicious use of SetThreadContext 1 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.

  • Suspicious behavior: MapViewOfSection 1 IoCs
  • Suspicious use of AdjustPrivilegeToken 1 IoCs
  • Suspicious use of FindShellTrayWindow 64 IoCs
  • Suspicious use of SendNotifyMessage 64 IoCs
  • Suspicious use of WriteProcessMemory 12 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\c5f4dab7c8114f6fd9742fed88895a12192bbbfdb5c6438f85c89a645961e142.exe
    "C:\Users\Admin\AppData\Local\Temp\c5f4dab7c8114f6fd9742fed88895a12192bbbfdb5c6438f85c89a645961e142.exe"
    1⤵
    • Loads dropped DLL
    • System Location Discovery: System Language Discovery
    • Suspicious use of FindShellTrayWindow
    • Suspicious use of SendNotifyMessage
    • Suspicious use of WriteProcessMemory
    PID:2336
    • C:\Users\Admin\AppData\Local\murkest\meshuggenah.exe
      "C:\Users\Admin\AppData\Local\Temp\c5f4dab7c8114f6fd9742fed88895a12192bbbfdb5c6438f85c89a645961e142.exe"
      2⤵
      • Drops startup file
      • Executes dropped EXE
      • Suspicious use of SetThreadContext
      • System Location Discovery: System Language Discovery
      • Suspicious behavior: MapViewOfSection
      • Suspicious use of FindShellTrayWindow
      • Suspicious use of SendNotifyMessage
      • Suspicious use of WriteProcessMemory
      PID:1644
      • C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegSvcs.exe
        "C:\Users\Admin\AppData\Local\Temp\c5f4dab7c8114f6fd9742fed88895a12192bbbfdb5c6438f85c89a645961e142.exe"
        3⤵
        • System Location Discovery: System Language Discovery
        • Suspicious use of AdjustPrivilegeToken
        PID:2596

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

Loading Replay Monitor...

Downloads

  • C:\Users\Admin\AppData\Local\Temp\totten

    Filesize

    185KB

    MD5

    91488d9e4225bdb909aab918b8502dbf

    SHA1

    31cca46559a47865da464ac42aed46aac33ec167

    SHA256

    ed7cc17b18a1f7fecba92232543f323b64422c4ce20694a956555ff5a48c6c61

    SHA512

    001e646f142253db1023eb3c64565195822569326e3f010fdb6cf1cdc005818e6592f480363c6dee6b9bfe92778a9e3ee2de6c1966f415e0c823b27a88413a61

  • \Users\Admin\AppData\Local\murkest\meshuggenah.exe

    Filesize

    1.0MB

    MD5

    e0de437a9326cd6a11e17b6a9fd9963f

    SHA1

    fd866c5a382e9ce7c5492dbee1e47b90f6b56531

    SHA256

    c5f4dab7c8114f6fd9742fed88895a12192bbbfdb5c6438f85c89a645961e142

    SHA512

    18549cda4eb213966a9fedf63e997cd0dd5f4f338237b73ec3873997bde9566b85dc380e645624e7424f85be98c5c3574c544770365e01f7cc5af9a4fa9dfe51

  • memory/1644-12-0x0000000003290000-0x0000000003490000-memory.dmp

    Filesize

    2.0MB

  • memory/2336-2-0x0000000003B60000-0x0000000003D60000-memory.dmp

    Filesize

    2.0MB

  • memory/2596-14-0x0000000000400000-0x0000000000433000-memory.dmp

    Filesize

    204KB

  • memory/2596-17-0x0000000000400000-0x0000000000433000-memory.dmp

    Filesize

    204KB

  • memory/2596-16-0x0000000000400000-0x0000000000433000-memory.dmp

    Filesize

    204KB

  • memory/2596-18-0x0000000074C0E000-0x0000000074C0F000-memory.dmp

    Filesize

    4KB

  • memory/2596-19-0x00000000003B0000-0x00000000003CE000-memory.dmp

    Filesize

    120KB

  • memory/2596-20-0x0000000074C00000-0x00000000752EE000-memory.dmp

    Filesize

    6.9MB

  • memory/2596-23-0x0000000074C00000-0x00000000752EE000-memory.dmp

    Filesize

    6.9MB

  • memory/2596-22-0x0000000000440000-0x000000000045E000-memory.dmp

    Filesize

    120KB

  • memory/2596-21-0x0000000074C00000-0x00000000752EE000-memory.dmp

    Filesize

    6.9MB

  • memory/2596-24-0x0000000000440000-0x0000000000457000-memory.dmp

    Filesize

    92KB

  • memory/2596-25-0x0000000000440000-0x0000000000457000-memory.dmp

    Filesize

    92KB

  • memory/2596-27-0x0000000000440000-0x0000000000457000-memory.dmp

    Filesize

    92KB

  • memory/2596-29-0x0000000000440000-0x0000000000457000-memory.dmp

    Filesize

    92KB

  • memory/2596-31-0x0000000000440000-0x0000000000457000-memory.dmp

    Filesize

    92KB

  • memory/2596-33-0x0000000000440000-0x0000000000457000-memory.dmp

    Filesize

    92KB

  • memory/2596-39-0x0000000000440000-0x0000000000457000-memory.dmp

    Filesize

    92KB

  • memory/2596-46-0x0000000000440000-0x0000000000457000-memory.dmp

    Filesize

    92KB

  • memory/2596-57-0x0000000000440000-0x0000000000457000-memory.dmp

    Filesize

    92KB

  • memory/2596-85-0x0000000000440000-0x0000000000457000-memory.dmp

    Filesize

    92KB

  • memory/2596-83-0x0000000000440000-0x0000000000457000-memory.dmp

    Filesize

    92KB

  • memory/2596-82-0x0000000000440000-0x0000000000457000-memory.dmp

    Filesize

    92KB

  • memory/2596-79-0x0000000000440000-0x0000000000457000-memory.dmp

    Filesize

    92KB

  • memory/2596-77-0x0000000000440000-0x0000000000457000-memory.dmp

    Filesize

    92KB

  • memory/2596-75-0x0000000000440000-0x0000000000457000-memory.dmp

    Filesize

    92KB

  • memory/2596-73-0x0000000000440000-0x0000000000457000-memory.dmp

    Filesize

    92KB

  • memory/2596-71-0x0000000000440000-0x0000000000457000-memory.dmp

    Filesize

    92KB

  • memory/2596-69-0x0000000000440000-0x0000000000457000-memory.dmp

    Filesize

    92KB

  • memory/2596-67-0x0000000000440000-0x0000000000457000-memory.dmp

    Filesize

    92KB

  • memory/2596-66-0x0000000000440000-0x0000000000457000-memory.dmp

    Filesize

    92KB

  • memory/2596-63-0x0000000000440000-0x0000000000457000-memory.dmp

    Filesize

    92KB

  • memory/2596-61-0x0000000000440000-0x0000000000457000-memory.dmp

    Filesize

    92KB

  • memory/2596-60-0x0000000000440000-0x0000000000457000-memory.dmp

    Filesize

    92KB

  • memory/2596-55-0x0000000000440000-0x0000000000457000-memory.dmp

    Filesize

    92KB

  • memory/2596-53-0x0000000000440000-0x0000000000457000-memory.dmp

    Filesize

    92KB

  • memory/2596-51-0x0000000000440000-0x0000000000457000-memory.dmp

    Filesize

    92KB

  • memory/2596-49-0x0000000000440000-0x0000000000457000-memory.dmp

    Filesize

    92KB

  • memory/2596-48-0x0000000000440000-0x0000000000457000-memory.dmp

    Filesize

    92KB

  • memory/2596-43-0x0000000000440000-0x0000000000457000-memory.dmp

    Filesize

    92KB

  • memory/2596-42-0x0000000000440000-0x0000000000457000-memory.dmp

    Filesize

    92KB

  • memory/2596-37-0x0000000000440000-0x0000000000457000-memory.dmp

    Filesize

    92KB

  • memory/2596-35-0x0000000000440000-0x0000000000457000-memory.dmp

    Filesize

    92KB

  • memory/2596-190-0x0000000074C00000-0x00000000752EE000-memory.dmp

    Filesize

    6.9MB

  • memory/2596-191-0x0000000000400000-0x0000000000433000-memory.dmp

    Filesize

    204KB

  • memory/2596-192-0x0000000074C0E000-0x0000000074C0F000-memory.dmp

    Filesize

    4KB

  • memory/2596-193-0x0000000074C00000-0x00000000752EE000-memory.dmp

    Filesize

    6.9MB

  • memory/2596-194-0x0000000074C00000-0x00000000752EE000-memory.dmp

    Filesize

    6.9MB