Analysis

  • max time kernel
    150s
  • max time network
    150s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20240419-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20240419-enlocale:en-usos:windows10-2004-x64system
  • submitted
    06-05-2024 18:33

General

  • Target

    4b25b70180a66fc9112ea0dc57fe2778d204a3327980717f66bed1290767d19a.exe

  • Size

    241KB

  • MD5

    9cd296f29d513c5d8b8aa64379b877ea

  • SHA1

    cccb6576c574d37673f468a850e6227254a4c9bc

  • SHA256

    4b25b70180a66fc9112ea0dc57fe2778d204a3327980717f66bed1290767d19a

  • SHA512

    3d8c36a2bf84ea5bd749af0a5fcbe4dc44211fb2f2c588d40e720f42bff9bf0b3781c940af6c2fd4a0ede730df51f01065bd07b27e7125f7971fe3e17f5c717e

  • SSDEEP

    6144:Gy9PRDmba+XD7nn/TbCCdVhd/AarhwmcCLQa1GwWBVhQoI:Ca+XD7/TbXdPRAatzcfa1GwWBVhQV

Malware Config

Extracted

Family

xenorat

C2

dns.requimacofradian.site

Mutex

Xeno_rat_nd8818g

Attributes
  • delay

    60000

  • install_path

    appdata

  • port

    1243

  • startup_name

    uic

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 4 IoCs
  • Reads user/profile data of web browsers 2 TTPs

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

  • Suspicious use of SetThreadContext 6 IoCs
  • Enumerates physical storage devices 1 TTPs

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

  • Program crash 1 IoCs
  • Creates scheduled task(s) 1 TTPs 1 IoCs

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

  • Suspicious behavior: EnumeratesProcesses 64 IoCs
  • Suspicious use of AdjustPrivilegeToken 3 IoCs
  • Suspicious use of WriteProcessMemory 54 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\4b25b70180a66fc9112ea0dc57fe2778d204a3327980717f66bed1290767d19a.exe
    "C:\Users\Admin\AppData\Local\Temp\4b25b70180a66fc9112ea0dc57fe2778d204a3327980717f66bed1290767d19a.exe"
    1⤵
    • Suspicious use of SetThreadContext
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of WriteProcessMemory
    PID:1724
    • C:\Users\Admin\AppData\Local\Temp\4b25b70180a66fc9112ea0dc57fe2778d204a3327980717f66bed1290767d19a.exe
      C:\Users\Admin\AppData\Local\Temp\4b25b70180a66fc9112ea0dc57fe2778d204a3327980717f66bed1290767d19a.exe
      2⤵
      • Checks computer location settings
      • Suspicious use of WriteProcessMemory
      PID:2800
      • C:\Users\Admin\AppData\Roaming\XenoManager\4b25b70180a66fc9112ea0dc57fe2778d204a3327980717f66bed1290767d19a.exe
        "C:\Users\Admin\AppData\Roaming\XenoManager\4b25b70180a66fc9112ea0dc57fe2778d204a3327980717f66bed1290767d19a.exe"
        3⤵
        • Executes dropped EXE
        • Suspicious use of SetThreadContext
        • Suspicious use of AdjustPrivilegeToken
        • Suspicious use of WriteProcessMemory
        PID:4632
        • C:\Users\Admin\AppData\Roaming\XenoManager\4b25b70180a66fc9112ea0dc57fe2778d204a3327980717f66bed1290767d19a.exe
          C:\Users\Admin\AppData\Roaming\XenoManager\4b25b70180a66fc9112ea0dc57fe2778d204a3327980717f66bed1290767d19a.exe
          4⤵
          • Executes dropped EXE
          PID:4124
        • C:\Users\Admin\AppData\Roaming\XenoManager\4b25b70180a66fc9112ea0dc57fe2778d204a3327980717f66bed1290767d19a.exe
          C:\Users\Admin\AppData\Roaming\XenoManager\4b25b70180a66fc9112ea0dc57fe2778d204a3327980717f66bed1290767d19a.exe
          4⤵
          • Executes dropped EXE
          PID:4208
          • C:\Windows\SysWOW64\WerFault.exe
            C:\Windows\SysWOW64\WerFault.exe -u -p 4208 -s 80
            5⤵
            • Program crash
            PID:1480
        • C:\Users\Admin\AppData\Roaming\XenoManager\4b25b70180a66fc9112ea0dc57fe2778d204a3327980717f66bed1290767d19a.exe
          C:\Users\Admin\AppData\Roaming\XenoManager\4b25b70180a66fc9112ea0dc57fe2778d204a3327980717f66bed1290767d19a.exe
          4⤵
          • Executes dropped EXE
          PID:432
    • C:\Users\Admin\AppData\Local\Temp\4b25b70180a66fc9112ea0dc57fe2778d204a3327980717f66bed1290767d19a.exe
      C:\Users\Admin\AppData\Local\Temp\4b25b70180a66fc9112ea0dc57fe2778d204a3327980717f66bed1290767d19a.exe
      2⤵
        PID:1888
      • C:\Users\Admin\AppData\Local\Temp\4b25b70180a66fc9112ea0dc57fe2778d204a3327980717f66bed1290767d19a.exe
        C:\Users\Admin\AppData\Local\Temp\4b25b70180a66fc9112ea0dc57fe2778d204a3327980717f66bed1290767d19a.exe
        2⤵
        • Suspicious behavior: EnumeratesProcesses
        • Suspicious use of AdjustPrivilegeToken
        • Suspicious use of WriteProcessMemory
        PID:3852
        • C:\Windows\SysWOW64\schtasks.exe
          "schtasks.exe" /Create /TN "uic" /XML "C:\Users\Admin\AppData\Local\Temp\tmp2CE7.tmp" /F
          3⤵
          • Creates scheduled task(s)
          PID:3068
    • C:\Windows\SysWOW64\WerFault.exe
      C:\Windows\SysWOW64\WerFault.exe -pss -s 408 -p 4208 -ip 4208
      1⤵
        PID:4812

      Network

      MITRE ATT&CK Enterprise v15

      Replay Monitor

      Loading Replay Monitor...

      Downloads

      • C:\Users\Admin\AppData\Local\Microsoft\CLR_v4.0_32\UsageLogs\4b25b70180a66fc9112ea0dc57fe2778d204a3327980717f66bed1290767d19a.exe.log

        Filesize

        706B

        MD5

        d95c58e609838928f0f49837cab7dfd2

        SHA1

        55e7139a1e3899195b92ed8771d1ca2c7d53c916

        SHA256

        0407c814aef0d62aec7fd39b7c2f614746f0d8ff41f8ef957736f520f14b0339

        SHA512

        405310b29a833604c6627063bfdcf055a197e01f633ef21da238f1a6415a02e21315d689b4a6669db23e82152bed6f3492afb60963e6b2a0e9bb2ac09a480b5d

      • C:\Users\Admin\AppData\Local\Temp\tmp2CE7.tmp

        Filesize

        1KB

        MD5

        fea36ae7ae224fb75a29ce4147e776b5

        SHA1

        b7d7018e70574310212985b8ce7ca3c7d98835da

        SHA256

        9343459d5ae3092f20c1801c5cec4409b27f03936d74af2a19845c83f94b45d3

        SHA512

        87fe80c13bde299023fa45525e3c44cf2cda2aef289e998b0359b83c5cb2df065dc18d8de0912fc5ef04bdf99594ce5dde5ea86d409c37b5d5b52be4f15d6f6f

      • C:\Users\Admin\AppData\Roaming\XenoManager\4b25b70180a66fc9112ea0dc57fe2778d204a3327980717f66bed1290767d19a.exe

        Filesize

        241KB

        MD5

        9cd296f29d513c5d8b8aa64379b877ea

        SHA1

        cccb6576c574d37673f468a850e6227254a4c9bc

        SHA256

        4b25b70180a66fc9112ea0dc57fe2778d204a3327980717f66bed1290767d19a

        SHA512

        3d8c36a2bf84ea5bd749af0a5fcbe4dc44211fb2f2c588d40e720f42bff9bf0b3781c940af6c2fd4a0ede730df51f01065bd07b27e7125f7971fe3e17f5c717e

      • memory/1724-17-0x0000000074EA0000-0x0000000075650000-memory.dmp

        Filesize

        7.7MB

      • memory/1724-2-0x0000000005510000-0x0000000005516000-memory.dmp

        Filesize

        24KB

      • memory/1724-5-0x0000000005740000-0x00000000057DC000-memory.dmp

        Filesize

        624KB

      • memory/1724-6-0x0000000005D90000-0x0000000006334000-memory.dmp

        Filesize

        5.6MB

      • memory/1724-7-0x0000000005880000-0x0000000005912000-memory.dmp

        Filesize

        584KB

      • memory/1724-8-0x00000000056F0000-0x00000000056F6000-memory.dmp

        Filesize

        24KB

      • memory/1724-1-0x0000000000A90000-0x0000000000AD6000-memory.dmp

        Filesize

        280KB

      • memory/1724-3-0x0000000074EA0000-0x0000000075650000-memory.dmp

        Filesize

        7.7MB

      • memory/1724-4-0x0000000005660000-0x00000000056A0000-memory.dmp

        Filesize

        256KB

      • memory/1724-0-0x0000000074EAE000-0x0000000074EAF000-memory.dmp

        Filesize

        4KB

      • memory/1888-37-0x0000000074EA0000-0x0000000075650000-memory.dmp

        Filesize

        7.7MB

      • memory/1888-16-0x0000000074EA0000-0x0000000075650000-memory.dmp

        Filesize

        7.7MB

      • memory/2800-15-0x0000000074EA0000-0x0000000075650000-memory.dmp

        Filesize

        7.7MB

      • memory/2800-9-0x0000000000400000-0x0000000000412000-memory.dmp

        Filesize

        72KB

      • memory/2800-30-0x0000000074EA0000-0x0000000075650000-memory.dmp

        Filesize

        7.7MB

      • memory/3852-38-0x0000000074EA0000-0x0000000075650000-memory.dmp

        Filesize

        7.7MB

      • memory/3852-18-0x0000000074EA0000-0x0000000075650000-memory.dmp

        Filesize

        7.7MB

      • memory/3852-19-0x0000000074EA0000-0x0000000075650000-memory.dmp

        Filesize

        7.7MB

      • memory/3852-41-0x0000000006100000-0x0000000006166000-memory.dmp

        Filesize

        408KB

      • memory/3852-42-0x0000000006370000-0x000000000646A000-memory.dmp

        Filesize

        1000KB

      • memory/3852-43-0x0000000006640000-0x0000000006802000-memory.dmp

        Filesize

        1.8MB

      • memory/3852-44-0x00000000064F0000-0x0000000006566000-memory.dmp

        Filesize

        472KB

      • memory/3852-45-0x0000000006570000-0x00000000065C0000-memory.dmp

        Filesize

        320KB

      • memory/3852-46-0x0000000006D40000-0x000000000726C000-memory.dmp

        Filesize

        5.2MB

      • memory/3852-47-0x0000000006960000-0x000000000697E000-memory.dmp

        Filesize

        120KB