Analysis

  • max time kernel
    149s
  • max time network
    151s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20241007-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-x64system
  • submitted
    10-12-2024 07:21

General

  • Target

    57fcc042b0f7783567878d217ae69e25.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 behavior: EnumeratesProcesses 64 IoCs
  • Suspicious use of AdjustPrivilegeToken 3 IoCs
  • Suspicious use of WriteProcessMemory 54 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\57fcc042b0f7783567878d217ae69e25.exe
    "C:\Users\Admin\AppData\Local\Temp\57fcc042b0f7783567878d217ae69e25.exe"
    1⤵
    • Suspicious use of SetThreadContext
    • System Location Discovery: System Language Discovery
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of WriteProcessMemory
    PID:3996
    • C:\Users\Admin\AppData\Local\Temp\57fcc042b0f7783567878d217ae69e25.exe
      C:\Users\Admin\AppData\Local\Temp\57fcc042b0f7783567878d217ae69e25.exe
      2⤵
      • System Location Discovery: System Language Discovery
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      • Suspicious use of WriteProcessMemory
      PID:2104
      • C:\Windows\SysWOW64\schtasks.exe
        "schtasks.exe" /Create /TN "mrec" /XML "C:\Users\Admin\AppData\Local\Temp\tmpE35B.tmp" /F
        3⤵
        • System Location Discovery: System Language Discovery
        • Scheduled Task/Job: Scheduled Task
        PID:2476
    • C:\Users\Admin\AppData\Local\Temp\57fcc042b0f7783567878d217ae69e25.exe
      C:\Users\Admin\AppData\Local\Temp\57fcc042b0f7783567878d217ae69e25.exe
      2⤵
      • Checks computer location settings
      • System Location Discovery: System Language Discovery
      • Suspicious use of WriteProcessMemory
      PID:392
      • C:\Users\Admin\AppData\Roaming\UpdateManager\57fcc042b0f7783567878d217ae69e25.exe
        "C:\Users\Admin\AppData\Roaming\UpdateManager\57fcc042b0f7783567878d217ae69e25.exe"
        3⤵
        • Executes dropped EXE
        • Suspicious use of SetThreadContext
        • System Location Discovery: System Language Discovery
        • Suspicious use of AdjustPrivilegeToken
        • Suspicious use of WriteProcessMemory
        PID:1508
        • C:\Users\Admin\AppData\Roaming\UpdateManager\57fcc042b0f7783567878d217ae69e25.exe
          C:\Users\Admin\AppData\Roaming\UpdateManager\57fcc042b0f7783567878d217ae69e25.exe
          4⤵
          • Executes dropped EXE
          • System Location Discovery: System Language Discovery
          PID:3404
        • C:\Users\Admin\AppData\Roaming\UpdateManager\57fcc042b0f7783567878d217ae69e25.exe
          C:\Users\Admin\AppData\Roaming\UpdateManager\57fcc042b0f7783567878d217ae69e25.exe
          4⤵
          • Executes dropped EXE
          PID:4316
          • C:\Windows\SysWOW64\WerFault.exe
            C:\Windows\SysWOW64\WerFault.exe -u -p 4316 -s 80
            5⤵
            • Program crash
            PID:2092
        • C:\Users\Admin\AppData\Roaming\UpdateManager\57fcc042b0f7783567878d217ae69e25.exe
          C:\Users\Admin\AppData\Roaming\UpdateManager\57fcc042b0f7783567878d217ae69e25.exe
          4⤵
          • Executes dropped EXE
          • System Location Discovery: System Language Discovery
          PID:3456
    • C:\Users\Admin\AppData\Local\Temp\57fcc042b0f7783567878d217ae69e25.exe
      C:\Users\Admin\AppData\Local\Temp\57fcc042b0f7783567878d217ae69e25.exe
      2⤵
      • System Location Discovery: System Language Discovery
      PID:3320
  • C:\Windows\SysWOW64\WerFault.exe
    C:\Windows\SysWOW64\WerFault.exe -pss -s 408 -p 4316 -ip 4316
    1⤵
      PID:4436

    Network

    MITRE ATT&CK Enterprise v15

    Replay Monitor

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    Downloads

    • C:\Users\Admin\AppData\Local\Microsoft\CLR_v4.0_32\UsageLogs\57fcc042b0f7783567878d217ae69e25.exe.log

      Filesize

      706B

      MD5

      d95c58e609838928f0f49837cab7dfd2

      SHA1

      55e7139a1e3899195b92ed8771d1ca2c7d53c916

      SHA256

      0407c814aef0d62aec7fd39b7c2f614746f0d8ff41f8ef957736f520f14b0339

      SHA512

      405310b29a833604c6627063bfdcf055a197e01f633ef21da238f1a6415a02e21315d689b4a6669db23e82152bed6f3492afb60963e6b2a0e9bb2ac09a480b5d

    • C:\Users\Admin\AppData\Local\Temp\tmpE35B.tmp

      Filesize

      1KB

      MD5

      3b3f28197a31a2b741ee0d08a4d305f2

      SHA1

      97297440e62341e3073db2b03a47236287009995

      SHA256

      d5efca262ba443b7213615f293b7d72110c85c1a2756f0923bd84772fdc6bafb

      SHA512

      71db6156f9eac7d3ff04b2d72af62300375c9ba8c3c7b0903a848218f55db6eb6441444e34122504c18bc2a7c007e84e620f6c996bec0211828867ef5b1e22c1

    • C:\Users\Admin\AppData\Roaming\UpdateManager\57fcc042b0f7783567878d217ae69e25.exe

      Filesize

      166KB

      MD5

      57fcc042b0f7783567878d217ae69e25

      SHA1

      83032ec361ea8b15ef956536999b754db6a12423

      SHA256

      13bd3ee226114db8e18f2fe414a7e2c4e0937eda7d8a02b2efebaa2af8238564

      SHA512

      4fe2ce713333d9a16d65ca5ccdc3a2e687b84a58b6b1e43b43c3f508edb2cc04478a5595efc43202decf7f86b50fd43382246fbc12553117a9177fb13d987b67

    • memory/392-30-0x0000000074A70000-0x0000000075220000-memory.dmp

      Filesize

      7.7MB

    • memory/392-17-0x0000000074A70000-0x0000000075220000-memory.dmp

      Filesize

      7.7MB

    • memory/1508-31-0x00000000023C0000-0x00000000023F2000-memory.dmp

      Filesize

      200KB

    • memory/2104-15-0x0000000074A70000-0x0000000075220000-memory.dmp

      Filesize

      7.7MB

    • memory/2104-29-0x0000000074A70000-0x0000000075220000-memory.dmp

      Filesize

      7.7MB

    • memory/2104-41-0x0000000005A80000-0x0000000005AE6000-memory.dmp

      Filesize

      408KB

    • memory/2104-9-0x0000000000400000-0x0000000000412000-memory.dmp

      Filesize

      72KB

    • memory/2104-38-0x0000000074A70000-0x0000000075220000-memory.dmp

      Filesize

      7.7MB

    • memory/3320-18-0x0000000074A70000-0x0000000075220000-memory.dmp

      Filesize

      7.7MB

    • memory/3996-5-0x000000000B1F0000-0x000000000B794000-memory.dmp

      Filesize

      5.6MB

    • memory/3996-7-0x0000000005850000-0x0000000005856000-memory.dmp

      Filesize

      24KB

    • memory/3996-16-0x0000000074A70000-0x0000000075220000-memory.dmp

      Filesize

      7.7MB

    • memory/3996-4-0x000000000ABA0000-0x000000000AC3C000-memory.dmp

      Filesize

      624KB

    • memory/3996-6-0x000000000AC40000-0x000000000ACD2000-memory.dmp

      Filesize

      584KB

    • memory/3996-3-0x0000000002F30000-0x0000000002F62000-memory.dmp

      Filesize

      200KB

    • memory/3996-2-0x0000000002F10000-0x0000000002F16000-memory.dmp

      Filesize

      24KB

    • memory/3996-0-0x0000000074A7E000-0x0000000074A7F000-memory.dmp

      Filesize

      4KB

    • memory/3996-1-0x0000000000C00000-0x0000000000C30000-memory.dmp

      Filesize

      192KB

    • memory/3996-8-0x0000000074A70000-0x0000000075220000-memory.dmp

      Filesize

      7.7MB