Analysis

  • max time kernel
    138s
  • max time network
    142s
  • platform
    windows11-21h2_x64
  • resource
    win11-20240709-en
  • resource tags

    arch:x64arch:x86image:win11-20240709-enlocale:en-usos:windows11-21h2-x64system
  • submitted
    26-07-2024 11:16

General

  • Target

    38b26e2364bc081a90145838451341f14bda3cbd15bba54bf0114cab5d2f8667.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#.

  • 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 4 IoCs
  • System Location Discovery: System Language Discovery 1 TTPs 7 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 WriteProcessMemory 64 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\38b26e2364bc081a90145838451341f14bda3cbd15bba54bf0114cab5d2f8667.exe
    "C:\Users\Admin\AppData\Local\Temp\38b26e2364bc081a90145838451341f14bda3cbd15bba54bf0114cab5d2f8667.exe"
    1⤵
    • Suspicious use of SetThreadContext
    • System Location Discovery: System Language Discovery
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of WriteProcessMemory
    PID:4428
    • C:\Users\Admin\AppData\Local\Temp\38b26e2364bc081a90145838451341f14bda3cbd15bba54bf0114cab5d2f8667.exe
      C:\Users\Admin\AppData\Local\Temp\38b26e2364bc081a90145838451341f14bda3cbd15bba54bf0114cab5d2f8667.exe
      2⤵
      • System Location Discovery: System Language Discovery
      • Suspicious use of WriteProcessMemory
      PID:2316
      • C:\Users\Admin\AppData\Roaming\XenoManager\38b26e2364bc081a90145838451341f14bda3cbd15bba54bf0114cab5d2f8667.exe
        "C:\Users\Admin\AppData\Roaming\XenoManager\38b26e2364bc081a90145838451341f14bda3cbd15bba54bf0114cab5d2f8667.exe"
        3⤵
        • Executes dropped EXE
        • Suspicious use of SetThreadContext
        • System Location Discovery: System Language Discovery
        • Suspicious use of AdjustPrivilegeToken
        • Suspicious use of WriteProcessMemory
        PID:1532
        • C:\Users\Admin\AppData\Roaming\XenoManager\38b26e2364bc081a90145838451341f14bda3cbd15bba54bf0114cab5d2f8667.exe
          C:\Users\Admin\AppData\Roaming\XenoManager\38b26e2364bc081a90145838451341f14bda3cbd15bba54bf0114cab5d2f8667.exe
          4⤵
          • Executes dropped EXE
          • System Location Discovery: System Language Discovery
          PID:336
        • C:\Users\Admin\AppData\Roaming\XenoManager\38b26e2364bc081a90145838451341f14bda3cbd15bba54bf0114cab5d2f8667.exe
          C:\Users\Admin\AppData\Roaming\XenoManager\38b26e2364bc081a90145838451341f14bda3cbd15bba54bf0114cab5d2f8667.exe
          4⤵
          • Executes dropped EXE
          PID:3052
          • C:\Windows\SysWOW64\WerFault.exe
            C:\Windows\SysWOW64\WerFault.exe -u -p 3052 -s 92
            5⤵
            • Program crash
            PID:3252
        • C:\Users\Admin\AppData\Roaming\XenoManager\38b26e2364bc081a90145838451341f14bda3cbd15bba54bf0114cab5d2f8667.exe
          C:\Users\Admin\AppData\Roaming\XenoManager\38b26e2364bc081a90145838451341f14bda3cbd15bba54bf0114cab5d2f8667.exe
          4⤵
          • Executes dropped EXE
          PID:332
          • C:\Windows\SysWOW64\WerFault.exe
            C:\Windows\SysWOW64\WerFault.exe -u -p 332 -s 92
            5⤵
            • Program crash
            PID:4636
        • C:\Users\Admin\AppData\Roaming\XenoManager\38b26e2364bc081a90145838451341f14bda3cbd15bba54bf0114cab5d2f8667.exe
          C:\Users\Admin\AppData\Roaming\XenoManager\38b26e2364bc081a90145838451341f14bda3cbd15bba54bf0114cab5d2f8667.exe
          4⤵
          • Executes dropped EXE
          PID:2320
          • C:\Windows\SysWOW64\WerFault.exe
            C:\Windows\SysWOW64\WerFault.exe -u -p 2320 -s 92
            5⤵
            • Program crash
            PID:2260
    • C:\Users\Admin\AppData\Local\Temp\38b26e2364bc081a90145838451341f14bda3cbd15bba54bf0114cab5d2f8667.exe
      C:\Users\Admin\AppData\Local\Temp\38b26e2364bc081a90145838451341f14bda3cbd15bba54bf0114cab5d2f8667.exe
      2⤵
      • System Location Discovery: System Language Discovery
      PID:1148
      • C:\Windows\SysWOW64\schtasks.exe
        "schtasks.exe" /Create /TN "HDdisplay" /XML "C:\Users\Admin\AppData\Local\Temp\tmpE21E.tmp" /F
        3⤵
        • System Location Discovery: System Language Discovery
        • Scheduled Task/Job: Scheduled Task
        PID:940
    • C:\Users\Admin\AppData\Local\Temp\38b26e2364bc081a90145838451341f14bda3cbd15bba54bf0114cab5d2f8667.exe
      C:\Users\Admin\AppData\Local\Temp\38b26e2364bc081a90145838451341f14bda3cbd15bba54bf0114cab5d2f8667.exe
      2⤵
        PID:3580
        • C:\Windows\SysWOW64\WerFault.exe
          C:\Windows\SysWOW64\WerFault.exe -u -p 3580 -s 164
          3⤵
          • Program crash
          PID:2112
      • C:\Users\Admin\AppData\Local\Temp\38b26e2364bc081a90145838451341f14bda3cbd15bba54bf0114cab5d2f8667.exe
        C:\Users\Admin\AppData\Local\Temp\38b26e2364bc081a90145838451341f14bda3cbd15bba54bf0114cab5d2f8667.exe
        2⤵
        • System Location Discovery: System Language Discovery
        PID:4784
    • C:\Windows\SysWOW64\WerFault.exe
      C:\Windows\SysWOW64\WerFault.exe -pss -s 408 -p 3580 -ip 3580
      1⤵
        PID:1108
      • C:\Windows\SysWOW64\WerFault.exe
        C:\Windows\SysWOW64\WerFault.exe -pss -s 500 -p 3052 -ip 3052
        1⤵
          PID:2684
        • C:\Windows\SysWOW64\WerFault.exe
          C:\Windows\SysWOW64\WerFault.exe -pss -s 432 -p 2320 -ip 2320
          1⤵
            PID:3820
          • C:\Windows\SysWOW64\WerFault.exe
            C:\Windows\SysWOW64\WerFault.exe -pss -s 444 -p 332 -ip 332
            1⤵
              PID:3048

            Network

            MITRE ATT&CK Enterprise v15

            Replay Monitor

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            Downloads

            • C:\Users\Admin\AppData\Local\Microsoft\CLR_v4.0_32\UsageLogs\38b26e2364bc081a90145838451341f14bda3cbd15bba54bf0114cab5d2f8667.exe.log

              Filesize

              522B

              MD5

              04e57f032fed9fe38ead2610e0bbdee5

              SHA1

              cda5084ea7200cab586876fe32b5ee8f97f79c54

              SHA256

              350261a6a7833f6458afb68e269a81535688c206effdd060a7c5faf4722f92f2

              SHA512

              337086831d262add581747af302f9e5b4976ffb38115163285413d19c13e7fc87c813ddfc752f864218cbed0756f61805d3c1666e78da13b20541e1494692884

            • C:\Users\Admin\AppData\Local\Temp\tmpE21E.tmp

              Filesize

              1KB

              MD5

              717be5e6d17c2a1e24b28847dbddd23b

              SHA1

              9fdd6701698cee4104c7e71a44f34bc6db9489da

              SHA256

              1df520609014580733abe24d2649b9fa29e093de5ea091aa5c2a61d27340c830

              SHA512

              fabd7e1f281193ea593c3a22fbe38790dac8125397f9b95fc8b76175fb77ec90bac10f1c034d83b730ec0b080a5a520b0aa612540c8791e4e7e541a8a0c907aa

            • C:\Users\Admin\AppData\Roaming\XenoManager\38b26e2364bc081a90145838451341f14bda3cbd15bba54bf0114cab5d2f8667.exe

              Filesize

              150KB

              MD5

              fcc55ef512ccf37a07ec703b59cc7aad

              SHA1

              9abef70ff67a2a7032ac1da4cd65424e7b2130b7

              SHA256

              38b26e2364bc081a90145838451341f14bda3cbd15bba54bf0114cab5d2f8667

              SHA512

              e26567479340c42126937edba18399af1d070b89c95fb8871dcbf3afb524bc89e289d361f4aa038f655e77b28e095ae3e487d8938248ea3d32677168acd17517

            • memory/332-31-0x0000000000400000-0x0000000000420000-memory.dmp

              Filesize

              128KB

            • memory/1148-13-0x0000000074B00000-0x00000000752B1000-memory.dmp

              Filesize

              7.7MB

            • memory/1148-35-0x0000000074B00000-0x00000000752B1000-memory.dmp

              Filesize

              7.7MB

            • memory/1148-15-0x0000000074B00000-0x00000000752B1000-memory.dmp

              Filesize

              7.7MB

            • memory/2316-4-0x0000000000400000-0x0000000000412000-memory.dmp

              Filesize

              72KB

            • memory/2316-11-0x0000000074B00000-0x00000000752B1000-memory.dmp

              Filesize

              7.7MB

            • memory/2316-26-0x0000000074B00000-0x00000000752B1000-memory.dmp

              Filesize

              7.7MB

            • memory/4428-0-0x0000000074B0E000-0x0000000074B0F000-memory.dmp

              Filesize

              4KB

            • memory/4428-2-0x0000000005610000-0x00000000056AC000-memory.dmp

              Filesize

              624KB

            • memory/4428-1-0x0000000000A30000-0x0000000000A5C000-memory.dmp

              Filesize

              176KB

            • memory/4784-14-0x0000000074B00000-0x00000000752B1000-memory.dmp

              Filesize

              7.7MB

            • memory/4784-12-0x0000000074B00000-0x00000000752B1000-memory.dmp

              Filesize

              7.7MB