Analysis

  • max time kernel
    139s
  • max time network
    146s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20241007-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-x64system
  • submitted
    11-12-2024 02:11

General

  • Target

    13bd3ee226114db8e18f2fe414a7e2c4e0937eda7d8a02b2efebaa2af8238564.exe

  • Size

    166KB

  • MD5

    57fcc042b0f7783567878d217ae69e25

  • SHA1

    83032ec361ea8b15ef956536999b754db6a12423

  • SHA256

    13bd3ee226114db8e18f2fe414a7e2c4e0937eda7d8a02b2efebaa2af8238564

  • SHA512

    4fe2ce713333d9a16d65ca5ccdc3a2e687b84a58b6b1e43b43c3f508edb2cc04478a5595efc43202decf7f86b50fd43382246fbc12553117a9177fb13d987b67

  • SSDEEP

    3072:sx0yjrZkg1DP9onHyAhZKoQd0z269TAfL7/Rwf+hO3IyYPC+X4og6Rd:iRjfAi7ymn/LhO3IyYPzX4oVd

Malware Config

Extracted

Family

xenorat

C2

dns.stipamana.com

Mutex

Xeno_rat_nd8912d

Attributes
  • delay

    12000

  • install_path

    appdata

  • port

    4567

  • startup_name

    mrec

Signatures

  • Detect XenoRat Payload 1 IoCs
  • XenorRat

    XenorRat is a remote access trojan written in C#.

  • Xenorat family
  • Checks computer location settings 2 TTPs 1 IoCs

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

  • Executes dropped EXE 4 IoCs
  • 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
  • System Location Discovery: System Language Discovery 1 TTPs 8 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 54 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\13bd3ee226114db8e18f2fe414a7e2c4e0937eda7d8a02b2efebaa2af8238564.exe
    "C:\Users\Admin\AppData\Local\Temp\13bd3ee226114db8e18f2fe414a7e2c4e0937eda7d8a02b2efebaa2af8238564.exe"
    1⤵
    • Suspicious use of SetThreadContext
    • System Location Discovery: System Language Discovery
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of WriteProcessMemory
    PID:2180
    • C:\Users\Admin\AppData\Local\Temp\13bd3ee226114db8e18f2fe414a7e2c4e0937eda7d8a02b2efebaa2af8238564.exe
      C:\Users\Admin\AppData\Local\Temp\13bd3ee226114db8e18f2fe414a7e2c4e0937eda7d8a02b2efebaa2af8238564.exe
      2⤵
      • Checks computer location settings
      • System Location Discovery: System Language Discovery
      • Suspicious use of WriteProcessMemory
      PID:448
      • C:\Users\Admin\AppData\Roaming\UpdateManager\13bd3ee226114db8e18f2fe414a7e2c4e0937eda7d8a02b2efebaa2af8238564.exe
        "C:\Users\Admin\AppData\Roaming\UpdateManager\13bd3ee226114db8e18f2fe414a7e2c4e0937eda7d8a02b2efebaa2af8238564.exe"
        3⤵
        • Executes dropped EXE
        • Suspicious use of SetThreadContext
        • System Location Discovery: System Language Discovery
        • Suspicious use of AdjustPrivilegeToken
        • Suspicious use of WriteProcessMemory
        PID:3980
        • C:\Users\Admin\AppData\Roaming\UpdateManager\13bd3ee226114db8e18f2fe414a7e2c4e0937eda7d8a02b2efebaa2af8238564.exe
          C:\Users\Admin\AppData\Roaming\UpdateManager\13bd3ee226114db8e18f2fe414a7e2c4e0937eda7d8a02b2efebaa2af8238564.exe
          4⤵
          • Executes dropped EXE
          • System Location Discovery: System Language Discovery
          PID:1640
        • C:\Users\Admin\AppData\Roaming\UpdateManager\13bd3ee226114db8e18f2fe414a7e2c4e0937eda7d8a02b2efebaa2af8238564.exe
          C:\Users\Admin\AppData\Roaming\UpdateManager\13bd3ee226114db8e18f2fe414a7e2c4e0937eda7d8a02b2efebaa2af8238564.exe
          4⤵
          • Executes dropped EXE
          • System Location Discovery: System Language Discovery
          PID:3356
        • C:\Users\Admin\AppData\Roaming\UpdateManager\13bd3ee226114db8e18f2fe414a7e2c4e0937eda7d8a02b2efebaa2af8238564.exe
          C:\Users\Admin\AppData\Roaming\UpdateManager\13bd3ee226114db8e18f2fe414a7e2c4e0937eda7d8a02b2efebaa2af8238564.exe
          4⤵
          • Executes dropped EXE
          • System Location Discovery: System Language Discovery
          PID:4192
    • C:\Users\Admin\AppData\Local\Temp\13bd3ee226114db8e18f2fe414a7e2c4e0937eda7d8a02b2efebaa2af8238564.exe
      C:\Users\Admin\AppData\Local\Temp\13bd3ee226114db8e18f2fe414a7e2c4e0937eda7d8a02b2efebaa2af8238564.exe
      2⤵
      • System Location Discovery: System Language Discovery
      • Suspicious use of WriteProcessMemory
      PID:4240
      • C:\Windows\SysWOW64\schtasks.exe
        "schtasks.exe" /Create /TN "mrec" /XML "C:\Users\Admin\AppData\Local\Temp\tmpD2FF.tmp" /F
        3⤵
        • System Location Discovery: System Language Discovery
        • Scheduled Task/Job: Scheduled Task
        PID:4068
    • C:\Users\Admin\AppData\Local\Temp\13bd3ee226114db8e18f2fe414a7e2c4e0937eda7d8a02b2efebaa2af8238564.exe
      C:\Users\Admin\AppData\Local\Temp\13bd3ee226114db8e18f2fe414a7e2c4e0937eda7d8a02b2efebaa2af8238564.exe
      2⤵
        PID:4712
        • C:\Windows\SysWOW64\WerFault.exe
          C:\Windows\SysWOW64\WerFault.exe -u -p 4712 -s 80
          3⤵
          • Program crash
          PID:3508
    • C:\Windows\SysWOW64\WerFault.exe
      C:\Windows\SysWOW64\WerFault.exe -pss -s 408 -p 4712 -ip 4712
      1⤵
        PID:1968

      Network

      MITRE ATT&CK Enterprise v15

      Replay Monitor

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      Downloads

      • C:\Users\Admin\AppData\Local\Microsoft\CLR_v4.0_32\UsageLogs\13bd3ee226114db8e18f2fe414a7e2c4e0937eda7d8a02b2efebaa2af8238564.exe.log

        Filesize

        706B

        MD5

        d95c58e609838928f0f49837cab7dfd2

        SHA1

        55e7139a1e3899195b92ed8771d1ca2c7d53c916

        SHA256

        0407c814aef0d62aec7fd39b7c2f614746f0d8ff41f8ef957736f520f14b0339

        SHA512

        405310b29a833604c6627063bfdcf055a197e01f633ef21da238f1a6415a02e21315d689b4a6669db23e82152bed6f3492afb60963e6b2a0e9bb2ac09a480b5d

      • C:\Users\Admin\AppData\Local\Temp\tmpD2FF.tmp

        Filesize

        1KB

        MD5

        b35f9577b053d88d26757e83476f6838

        SHA1

        baa7e25cb5a5f1db2c9ecb51c7a29ecd611e1f9f

        SHA256

        ffac207a54272d98f1433dd36907941c2371a3036dea824023a34807fe14c3af

        SHA512

        a095ab78e4cba8c51b920094241812706a8776fc6280dbfaac50244e423183440103d4937ec54a10512b2be7ff7ecd48a9c2e3a7bbf247ec8eb906646de88424

      • C:\Users\Admin\AppData\Roaming\UpdateManager\13bd3ee226114db8e18f2fe414a7e2c4e0937eda7d8a02b2efebaa2af8238564.exe

        Filesize

        166KB

        MD5

        57fcc042b0f7783567878d217ae69e25

        SHA1

        83032ec361ea8b15ef956536999b754db6a12423

        SHA256

        13bd3ee226114db8e18f2fe414a7e2c4e0937eda7d8a02b2efebaa2af8238564

        SHA512

        4fe2ce713333d9a16d65ca5ccdc3a2e687b84a58b6b1e43b43c3f508edb2cc04478a5595efc43202decf7f86b50fd43382246fbc12553117a9177fb13d987b67

      • memory/448-14-0x00000000749C0000-0x0000000075170000-memory.dmp

        Filesize

        7.7MB

      • memory/448-9-0x0000000000400000-0x0000000000412000-memory.dmp

        Filesize

        72KB

      • memory/448-29-0x00000000749C0000-0x0000000075170000-memory.dmp

        Filesize

        7.7MB

      • memory/2180-8-0x00000000749C0000-0x0000000075170000-memory.dmp

        Filesize

        7.7MB

      • memory/2180-5-0x000000000B3E0000-0x000000000B984000-memory.dmp

        Filesize

        5.6MB

      • memory/2180-4-0x000000000AD90000-0x000000000AE2C000-memory.dmp

        Filesize

        624KB

      • memory/2180-6-0x000000000AED0000-0x000000000AF62000-memory.dmp

        Filesize

        584KB

      • memory/2180-0-0x00000000749CE000-0x00000000749CF000-memory.dmp

        Filesize

        4KB

      • memory/2180-1-0x0000000000FD0000-0x0000000001000000-memory.dmp

        Filesize

        192KB

      • memory/2180-16-0x00000000749C0000-0x0000000075170000-memory.dmp

        Filesize

        7.7MB

      • memory/2180-7-0x000000000AD30000-0x000000000AD36000-memory.dmp

        Filesize

        24KB

      • memory/2180-3-0x0000000005910000-0x0000000005942000-memory.dmp

        Filesize

        200KB

      • memory/2180-2-0x00000000031A0000-0x00000000031A6000-memory.dmp

        Filesize

        24KB

      • memory/3980-30-0x00000000749C0000-0x0000000075170000-memory.dmp

        Filesize

        7.7MB

      • memory/3980-37-0x00000000749C0000-0x0000000075170000-memory.dmp

        Filesize

        7.7MB

      • memory/4240-17-0x00000000749C0000-0x0000000075170000-memory.dmp

        Filesize

        7.7MB

      • memory/4240-38-0x00000000749C0000-0x0000000075170000-memory.dmp

        Filesize

        7.7MB

      • memory/4240-15-0x00000000749C0000-0x0000000075170000-memory.dmp

        Filesize

        7.7MB