Analysis

  • max time kernel
    141s
  • max time network
    147s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20240709-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20240709-enlocale:en-usos:windows10-2004-x64system
  • submitted
    26-07-2024 11:47

General

  • Target

    fcc55ef512ccf37a07ec703b59cc7aad.exe

  • Size

    150KB

  • MD5

    fcc55ef512ccf37a07ec703b59cc7aad

  • SHA1

    9abef70ff67a2a7032ac1da4cd65424e7b2130b7

  • SHA256

    38b26e2364bc081a90145838451341f14bda3cbd15bba54bf0114cab5d2f8667

  • SHA512

    e26567479340c42126937edba18399af1d070b89c95fb8871dcbf3afb524bc89e289d361f4aa038f655e77b28e095ae3e487d8938248ea3d32677168acd17517

  • SSDEEP

    3072:1QeAu96QNvQRARkML2zzFT1xfeRfAqq9a7JcKYfb5q9ZX4o3+mI:v9zvQvMLqFT1JZ9a7NYfbkT93fI

Malware Config

Extracted

Family

xenorat

C2

45.66.231.63

Mutex

Holid_rat_nd8859g

Attributes
  • delay

    60400

  • install_path

    appdata

  • port

    1243

  • startup_name

    HDdisplay

Signatures

  • XenorRat

    XenorRat is a remote access trojan written in C#.

  • Checks computer location settings 2 TTPs 1 IoCs

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

  • Executes dropped EXE 5 IoCs
  • Suspicious use of SetThreadContext 8 IoCs
  • Enumerates physical storage devices 1 TTPs

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

  • Program crash 2 IoCs
  • System Location Discovery: System Language Discovery 1 TTPs 9 IoCs

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

  • Scheduled Task/Job: Scheduled Task 1 TTPs 1 IoCs

    Schtasks is often used by malware for persistence or to perform post-infection execution.

  • Suspicious use of AdjustPrivilegeToken 2 IoCs
  • Suspicious use of UnmapMainImage 1 IoCs
  • Suspicious use of WriteProcessMemory 64 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\fcc55ef512ccf37a07ec703b59cc7aad.exe
    "C:\Users\Admin\AppData\Local\Temp\fcc55ef512ccf37a07ec703b59cc7aad.exe"
    1⤵
    • Suspicious use of SetThreadContext
    • System Location Discovery: System Language Discovery
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of WriteProcessMemory
    PID:5068
    • C:\Users\Admin\AppData\Local\Temp\fcc55ef512ccf37a07ec703b59cc7aad.exe
      C:\Users\Admin\AppData\Local\Temp\fcc55ef512ccf37a07ec703b59cc7aad.exe
      2⤵
      • Checks computer location settings
      • System Location Discovery: System Language Discovery
      • Suspicious use of WriteProcessMemory
      PID:4672
      • C:\Users\Admin\AppData\Roaming\XenoManager\fcc55ef512ccf37a07ec703b59cc7aad.exe
        "C:\Users\Admin\AppData\Roaming\XenoManager\fcc55ef512ccf37a07ec703b59cc7aad.exe"
        3⤵
        • Executes dropped EXE
        • Suspicious use of SetThreadContext
        • System Location Discovery: System Language Discovery
        • Suspicious use of AdjustPrivilegeToken
        • Suspicious use of WriteProcessMemory
        PID:1204
        • C:\Users\Admin\AppData\Roaming\XenoManager\fcc55ef512ccf37a07ec703b59cc7aad.exe
          C:\Users\Admin\AppData\Roaming\XenoManager\fcc55ef512ccf37a07ec703b59cc7aad.exe
          4⤵
          • Executes dropped EXE
          • System Location Discovery: System Language Discovery
          PID:4532
        • C:\Users\Admin\AppData\Roaming\XenoManager\fcc55ef512ccf37a07ec703b59cc7aad.exe
          C:\Users\Admin\AppData\Roaming\XenoManager\fcc55ef512ccf37a07ec703b59cc7aad.exe
          4⤵
          • Executes dropped EXE
          • System Location Discovery: System Language Discovery
          PID:2912
        • C:\Users\Admin\AppData\Roaming\XenoManager\fcc55ef512ccf37a07ec703b59cc7aad.exe
          C:\Users\Admin\AppData\Roaming\XenoManager\fcc55ef512ccf37a07ec703b59cc7aad.exe
          4⤵
          • Executes dropped EXE
          • System Location Discovery: System Language Discovery
          PID:3596
        • C:\Users\Admin\AppData\Roaming\XenoManager\fcc55ef512ccf37a07ec703b59cc7aad.exe
          C:\Users\Admin\AppData\Roaming\XenoManager\fcc55ef512ccf37a07ec703b59cc7aad.exe
          4⤵
          • Executes dropped EXE
          PID:5104
          • C:\Windows\SysWOW64\WerFault.exe
            C:\Windows\SysWOW64\WerFault.exe -u -p 5104 -s 80
            5⤵
            • Program crash
            PID:1164
    • C:\Users\Admin\AppData\Local\Temp\fcc55ef512ccf37a07ec703b59cc7aad.exe
      C:\Users\Admin\AppData\Local\Temp\fcc55ef512ccf37a07ec703b59cc7aad.exe
      2⤵
      • Suspicious use of UnmapMainImage
      PID:3416
      • C:\Windows\SysWOW64\WerFault.exe
        C:\Windows\SysWOW64\WerFault.exe -u -p 3416 -s 12
        3⤵
        • Program crash
        PID:4412
    • C:\Users\Admin\AppData\Local\Temp\fcc55ef512ccf37a07ec703b59cc7aad.exe
      C:\Users\Admin\AppData\Local\Temp\fcc55ef512ccf37a07ec703b59cc7aad.exe
      2⤵
      • System Location Discovery: System Language Discovery
      PID:5052
    • C:\Users\Admin\AppData\Local\Temp\fcc55ef512ccf37a07ec703b59cc7aad.exe
      C:\Users\Admin\AppData\Local\Temp\fcc55ef512ccf37a07ec703b59cc7aad.exe
      2⤵
      • System Location Discovery: System Language Discovery
      PID:2712
      • C:\Windows\SysWOW64\schtasks.exe
        "schtasks.exe" /Create /TN "HDdisplay" /XML "C:\Users\Admin\AppData\Local\Temp\tmp7AF7.tmp" /F
        3⤵
        • System Location Discovery: System Language Discovery
        • Scheduled Task/Job: Scheduled Task
        PID:2772
  • C:\Windows\SysWOW64\WerFault.exe
    C:\Windows\SysWOW64\WerFault.exe -pss -s 428 -p 3416 -ip 3416
    1⤵
      PID:2808
    • C:\Windows\SysWOW64\WerFault.exe
      C:\Windows\SysWOW64\WerFault.exe -pss -s 424 -p 5104 -ip 5104
      1⤵
        PID:5028

      Network

      MITRE ATT&CK Enterprise v15

      Replay Monitor

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      Downloads

      • C:\Users\Admin\AppData\Local\Microsoft\CLR_v4.0_32\UsageLogs\fcc55ef512ccf37a07ec703b59cc7aad.exe.log

        Filesize

        522B

        MD5

        0f39d6b9afc039d81ff31f65cbf76826

        SHA1

        8356d04fe7bba2695d59b6caf5c59f58f3e1a6d8

        SHA256

        ea16b63ffd431ebf658b903710b6b3a9b8a2eb6814eee3a53b707a342780315d

        SHA512

        5bad54adb2e32717ef6275f49e2f101dd7e2011c9be14a32e5c29051e8a3f608cbd0b44ac4855ab21e790cb7a5d84c5f69de087074fd01b35259d34d07f5aaf9

      • C:\Users\Admin\AppData\Local\Temp\tmp7AF7.tmp

        Filesize

        1KB

        MD5

        53c2a76836feff5c5a69f74f79f5d393

        SHA1

        39f92a44a0313ed0073232ef400a64ebb701f2a9

        SHA256

        82af0adff78318e0670cf504935193dae1ea79575fc2b0b6267c9965024c9224

        SHA512

        a86907875486f5e3aa91730fd2d2d8e60842193ff90e83989ab1fd612c8f45105a1f47534ca5172dd6fca7e64408f5d9e02090ec4be0c938cebf622673ff4b61

      • C:\Users\Admin\AppData\Roaming\XenoManager\fcc55ef512ccf37a07ec703b59cc7aad.exe

        Filesize

        150KB

        MD5

        fcc55ef512ccf37a07ec703b59cc7aad

        SHA1

        9abef70ff67a2a7032ac1da4cd65424e7b2130b7

        SHA256

        38b26e2364bc081a90145838451341f14bda3cbd15bba54bf0114cab5d2f8667

        SHA512

        e26567479340c42126937edba18399af1d070b89c95fb8871dcbf3afb524bc89e289d361f4aa038f655e77b28e095ae3e487d8938248ea3d32677168acd17517

      • memory/2712-10-0x0000000074B10000-0x00000000752C0000-memory.dmp

        Filesize

        7.7MB

      • memory/2712-11-0x0000000074B10000-0x00000000752C0000-memory.dmp

        Filesize

        7.7MB

      • memory/2712-31-0x0000000074B10000-0x00000000752C0000-memory.dmp

        Filesize

        7.7MB

      • memory/4672-3-0x0000000000400000-0x0000000000412000-memory.dmp

        Filesize

        72KB

      • memory/4672-9-0x0000000074B10000-0x00000000752C0000-memory.dmp

        Filesize

        7.7MB

      • memory/4672-22-0x0000000074B10000-0x00000000752C0000-memory.dmp

        Filesize

        7.7MB

      • memory/5068-0-0x0000000074B1E000-0x0000000074B1F000-memory.dmp

        Filesize

        4KB

      • memory/5068-1-0x0000000000FA0000-0x0000000000FCC000-memory.dmp

        Filesize

        176KB

      • memory/5068-2-0x0000000005A80000-0x0000000005B1C000-memory.dmp

        Filesize

        624KB