Analysis

  • max time kernel
    139s
  • max time network
    144s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20241007-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-x64system
  • submitted
    06-12-2024 09:01

General

  • Target

    f44302503ea4eedfa831c25711df51b7.exe

  • Size

    166KB

  • MD5

    f44302503ea4eedfa831c25711df51b7

  • SHA1

    127d6ec83904de48d90c293e53c905fc4206bfb8

  • SHA256

    21b7b8656a008ad3e5df1725cddf55e650812c1f3d59609f14c0d3089a886de6

  • SHA512

    71e9512244d864b53abf436b496a53e6771135cc7d5fc0e4df7d04ac23074b6ed1e7438a28bc232a70f57de97367f0e3a21925bed738c5e47bdf3487ab2f4e03

  • SSDEEP

    3072:XdkwdXAqPEHTJJuVqhHjFV2xEEbh9pKP2qYCp65nTGsAeXy0fkd:XmwBAQeVmWHHePH02qYCp6NGsAeXy9d

Malware Config

Extracted

Family

xenorat

C2

87.120.120.27

Mutex

Xeno_rat_nd8912d

Attributes
  • delay

    11000

  • install_path

    appdata

  • port

    2222

  • 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).

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

Processes

  • C:\Users\Admin\AppData\Local\Temp\f44302503ea4eedfa831c25711df51b7.exe
    "C:\Users\Admin\AppData\Local\Temp\f44302503ea4eedfa831c25711df51b7.exe"
    1⤵
    • Suspicious use of SetThreadContext
    • System Location Discovery: System Language Discovery
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of WriteProcessMemory
    PID:2392
    • C:\Users\Admin\AppData\Local\Temp\f44302503ea4eedfa831c25711df51b7.exe
      C:\Users\Admin\AppData\Local\Temp\f44302503ea4eedfa831c25711df51b7.exe
      2⤵
      • System Location Discovery: System Language Discovery
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      • Suspicious use of WriteProcessMemory
      PID:2568
      • C:\Windows\SysWOW64\schtasks.exe
        "schtasks.exe" /Create /TN "mrec" /XML "C:\Users\Admin\AppData\Local\Temp\tmpE416.tmp" /F
        3⤵
        • System Location Discovery: System Language Discovery
        • Scheduled Task/Job: Scheduled Task
        PID:1972
    • C:\Users\Admin\AppData\Local\Temp\f44302503ea4eedfa831c25711df51b7.exe
      C:\Users\Admin\AppData\Local\Temp\f44302503ea4eedfa831c25711df51b7.exe
      2⤵
      • Checks computer location settings
      • System Location Discovery: System Language Discovery
      • Suspicious use of WriteProcessMemory
      PID:2936
      • C:\Users\Admin\AppData\Roaming\UpdateManager\f44302503ea4eedfa831c25711df51b7.exe
        "C:\Users\Admin\AppData\Roaming\UpdateManager\f44302503ea4eedfa831c25711df51b7.exe"
        3⤵
        • Executes dropped EXE
        • Suspicious use of SetThreadContext
        • System Location Discovery: System Language Discovery
        • Suspicious use of AdjustPrivilegeToken
        • Suspicious use of WriteProcessMemory
        PID:1196
        • C:\Users\Admin\AppData\Roaming\UpdateManager\f44302503ea4eedfa831c25711df51b7.exe
          C:\Users\Admin\AppData\Roaming\UpdateManager\f44302503ea4eedfa831c25711df51b7.exe
          4⤵
          • Executes dropped EXE
          • System Location Discovery: System Language Discovery
          PID:1108
        • C:\Users\Admin\AppData\Roaming\UpdateManager\f44302503ea4eedfa831c25711df51b7.exe
          C:\Users\Admin\AppData\Roaming\UpdateManager\f44302503ea4eedfa831c25711df51b7.exe
          4⤵
          • Executes dropped EXE
          • System Location Discovery: System Language Discovery
          PID:4536
        • C:\Users\Admin\AppData\Roaming\UpdateManager\f44302503ea4eedfa831c25711df51b7.exe
          C:\Users\Admin\AppData\Roaming\UpdateManager\f44302503ea4eedfa831c25711df51b7.exe
          4⤵
          • Executes dropped EXE
          • System Location Discovery: System Language Discovery
          PID:4808
    • C:\Users\Admin\AppData\Local\Temp\f44302503ea4eedfa831c25711df51b7.exe
      C:\Users\Admin\AppData\Local\Temp\f44302503ea4eedfa831c25711df51b7.exe
      2⤵
      • System Location Discovery: System Language Discovery
      PID:4300

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

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Downloads

  • C:\Users\Admin\AppData\Local\Microsoft\CLR_v4.0_32\UsageLogs\f44302503ea4eedfa831c25711df51b7.exe.log

    Filesize

    706B

    MD5

    d95c58e609838928f0f49837cab7dfd2

    SHA1

    55e7139a1e3899195b92ed8771d1ca2c7d53c916

    SHA256

    0407c814aef0d62aec7fd39b7c2f614746f0d8ff41f8ef957736f520f14b0339

    SHA512

    405310b29a833604c6627063bfdcf055a197e01f633ef21da238f1a6415a02e21315d689b4a6669db23e82152bed6f3492afb60963e6b2a0e9bb2ac09a480b5d

  • C:\Users\Admin\AppData\Local\Temp\tmpE416.tmp

    Filesize

    1KB

    MD5

    a7294b044a65543b57eb424987925d53

    SHA1

    25cc77996727a3e5a9ffa5bc34b924143c139d59

    SHA256

    006833052aebd10bb7ea35f8068e388b5ab0159244372f4470ec6460a37c8a80

    SHA512

    367448387a2a9006690caaad10d657a9776d48b0d1f1b34216cb771eec874eeb5c606f8533fb309bf96b41fa4d38e34fc31ffa23915a54d2caeae89a342bcbfa

  • C:\Users\Admin\AppData\Roaming\UpdateManager\f44302503ea4eedfa831c25711df51b7.exe

    Filesize

    166KB

    MD5

    f44302503ea4eedfa831c25711df51b7

    SHA1

    127d6ec83904de48d90c293e53c905fc4206bfb8

    SHA256

    21b7b8656a008ad3e5df1725cddf55e650812c1f3d59609f14c0d3089a886de6

    SHA512

    71e9512244d864b53abf436b496a53e6771135cc7d5fc0e4df7d04ac23074b6ed1e7438a28bc232a70f57de97367f0e3a21925bed738c5e47bdf3487ab2f4e03

  • memory/2392-3-0x000000000A860000-0x000000000A892000-memory.dmp

    Filesize

    200KB

  • memory/2392-4-0x000000000A930000-0x000000000A9CC000-memory.dmp

    Filesize

    624KB

  • memory/2392-5-0x000000000AF80000-0x000000000B524000-memory.dmp

    Filesize

    5.6MB

  • memory/2392-6-0x000000000AA70000-0x000000000AB02000-memory.dmp

    Filesize

    584KB

  • memory/2392-7-0x000000000A910000-0x000000000A916000-memory.dmp

    Filesize

    24KB

  • memory/2392-8-0x0000000075350000-0x0000000075B00000-memory.dmp

    Filesize

    7.7MB

  • memory/2392-18-0x0000000075350000-0x0000000075B00000-memory.dmp

    Filesize

    7.7MB

  • memory/2392-0-0x000000007535E000-0x000000007535F000-memory.dmp

    Filesize

    4KB

  • memory/2392-2-0x00000000053C0000-0x00000000053C6000-memory.dmp

    Filesize

    24KB

  • memory/2392-1-0x0000000000A70000-0x0000000000A9E000-memory.dmp

    Filesize

    184KB

  • memory/2568-12-0x0000000075350000-0x0000000075B00000-memory.dmp

    Filesize

    7.7MB

  • memory/2568-19-0x0000000075350000-0x0000000075B00000-memory.dmp

    Filesize

    7.7MB

  • memory/2568-37-0x0000000075350000-0x0000000075B00000-memory.dmp

    Filesize

    7.7MB

  • memory/2568-9-0x0000000000400000-0x0000000000412000-memory.dmp

    Filesize

    72KB

  • memory/2568-40-0x0000000005B70000-0x0000000005BD6000-memory.dmp

    Filesize

    408KB

  • memory/2936-16-0x0000000075350000-0x0000000075B00000-memory.dmp

    Filesize

    7.7MB

  • memory/2936-30-0x0000000075350000-0x0000000075B00000-memory.dmp

    Filesize

    7.7MB

  • memory/4300-17-0x0000000075350000-0x0000000075B00000-memory.dmp

    Filesize

    7.7MB