Analysis

  • max time kernel
    148s
  • max time network
    143s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20240508-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20240508-enlocale:en-usos:windows10-2004-x64system
  • submitted
    15-05-2024 02:04

General

  • Target

    fbb251f9916a362e527e962c4e2b0950f75de2226f3e3092813fa35eb6392bb7.exe

  • Size

    242KB

  • MD5

    33f2e874128d3a24588e1c89927042bd

  • SHA1

    e206af96ff648951608eaf599627635ddff7ecd8

  • SHA256

    fbb251f9916a362e527e962c4e2b0950f75de2226f3e3092813fa35eb6392bb7

  • SHA512

    559dc3f6a0f9a6e762545b9683e265e4459b8623786c979c959d5d78dff7f4455fed72135fcccc966c10ba3d3588fcbf077a44091e3012743245dc41bfd1b3c5

  • SSDEEP

    6144:gRRan2neJf5QvtapiSgICS86G3vsMP1i8FvEOPDv5bq1RFI:gRTeJf5mappgICS+3xPFvrPDv5bq1I

Score
10/10

Malware Config

Extracted

Family

xenorat

C2

dns.dobiamfollollc.online

Mutex

Solid_rat_nd8889g

Attributes
  • delay

    61000

  • install_path

    appdata

  • port

    1283

  • startup_name

    bns

Signatures

  • XenorRat

    XenorRat is a remote access trojan written in C#.

  • Detects executables packed with ConfuserEx Mod 3 IoCs
  • 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
  • Creates scheduled task(s) 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\fbb251f9916a362e527e962c4e2b0950f75de2226f3e3092813fa35eb6392bb7.exe
    "C:\Users\Admin\AppData\Local\Temp\fbb251f9916a362e527e962c4e2b0950f75de2226f3e3092813fa35eb6392bb7.exe"
    1⤵
    • Suspicious use of SetThreadContext
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of WriteProcessMemory
    PID:4876
    • C:\Users\Admin\AppData\Local\Temp\fbb251f9916a362e527e962c4e2b0950f75de2226f3e3092813fa35eb6392bb7.exe
      C:\Users\Admin\AppData\Local\Temp\fbb251f9916a362e527e962c4e2b0950f75de2226f3e3092813fa35eb6392bb7.exe
      2⤵
      • Suspicious use of WriteProcessMemory
      PID:1904
      • C:\Windows\SysWOW64\schtasks.exe
        "schtasks.exe" /Create /TN "bns" /XML "C:\Users\Admin\AppData\Local\Temp\tmpD1A3.tmp" /F
        3⤵
        • Creates scheduled task(s)
        PID:4588
    • C:\Users\Admin\AppData\Local\Temp\fbb251f9916a362e527e962c4e2b0950f75de2226f3e3092813fa35eb6392bb7.exe
      C:\Users\Admin\AppData\Local\Temp\fbb251f9916a362e527e962c4e2b0950f75de2226f3e3092813fa35eb6392bb7.exe
      2⤵
      • Checks computer location settings
      • Suspicious use of WriteProcessMemory
      PID:452
      • C:\Users\Admin\AppData\Roaming\XenoManager\fbb251f9916a362e527e962c4e2b0950f75de2226f3e3092813fa35eb6392bb7.exe
        "C:\Users\Admin\AppData\Roaming\XenoManager\fbb251f9916a362e527e962c4e2b0950f75de2226f3e3092813fa35eb6392bb7.exe"
        3⤵
        • Executes dropped EXE
        • Suspicious use of SetThreadContext
        • Suspicious use of AdjustPrivilegeToken
        • Suspicious use of WriteProcessMemory
        PID:3188
        • C:\Users\Admin\AppData\Roaming\XenoManager\fbb251f9916a362e527e962c4e2b0950f75de2226f3e3092813fa35eb6392bb7.exe
          C:\Users\Admin\AppData\Roaming\XenoManager\fbb251f9916a362e527e962c4e2b0950f75de2226f3e3092813fa35eb6392bb7.exe
          4⤵
          • Executes dropped EXE
          PID:3764
          • C:\Windows\SysWOW64\WerFault.exe
            C:\Windows\SysWOW64\WerFault.exe -u -p 3764 -s 80
            5⤵
            • Program crash
            PID:1544
        • C:\Users\Admin\AppData\Roaming\XenoManager\fbb251f9916a362e527e962c4e2b0950f75de2226f3e3092813fa35eb6392bb7.exe
          C:\Users\Admin\AppData\Roaming\XenoManager\fbb251f9916a362e527e962c4e2b0950f75de2226f3e3092813fa35eb6392bb7.exe
          4⤵
          • Executes dropped EXE
          PID:1356
        • C:\Users\Admin\AppData\Roaming\XenoManager\fbb251f9916a362e527e962c4e2b0950f75de2226f3e3092813fa35eb6392bb7.exe
          C:\Users\Admin\AppData\Roaming\XenoManager\fbb251f9916a362e527e962c4e2b0950f75de2226f3e3092813fa35eb6392bb7.exe
          4⤵
          • Executes dropped EXE
          PID:3304
    • C:\Users\Admin\AppData\Local\Temp\fbb251f9916a362e527e962c4e2b0950f75de2226f3e3092813fa35eb6392bb7.exe
      C:\Users\Admin\AppData\Local\Temp\fbb251f9916a362e527e962c4e2b0950f75de2226f3e3092813fa35eb6392bb7.exe
      2⤵
        PID:2212
    • C:\Windows\SysWOW64\WerFault.exe
      C:\Windows\SysWOW64\WerFault.exe -pss -s 408 -p 3764 -ip 3764
      1⤵
        PID:4252
      • C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
        "C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=utility --utility-sub-type=asset_store.mojom.AssetStoreService --lang=en-US --service-sandbox-type=asset_store_service --no-appcompat-clear --field-trial-handle=3764,i,13544508926340531097,6671217806016090640,262144 --variations-seed-version --mojo-platform-channel-handle=3800 /prefetch:8
        1⤵
          PID:4980

        Network

        MITRE ATT&CK Enterprise v15

        Replay Monitor

        Loading Replay Monitor...

        Downloads

        • C:\Users\Admin\AppData\Local\Microsoft\CLR_v4.0_32\UsageLogs\fbb251f9916a362e527e962c4e2b0950f75de2226f3e3092813fa35eb6392bb7.exe.log
          Filesize

          706B

          MD5

          d95c58e609838928f0f49837cab7dfd2

          SHA1

          55e7139a1e3899195b92ed8771d1ca2c7d53c916

          SHA256

          0407c814aef0d62aec7fd39b7c2f614746f0d8ff41f8ef957736f520f14b0339

          SHA512

          405310b29a833604c6627063bfdcf055a197e01f633ef21da238f1a6415a02e21315d689b4a6669db23e82152bed6f3492afb60963e6b2a0e9bb2ac09a480b5d

        • C:\Users\Admin\AppData\Local\Temp\tmpD1A3.tmp
          Filesize

          1KB

          MD5

          cef9bd9ff86b1e2446b1cebe03185a75

          SHA1

          adf01337b2168caa29c4c950501827ba8a78d6c8

          SHA256

          92535d26ae4597d9a1ef1cc3b98344582e7f939a65f63accbeec32f534e91792

          SHA512

          547e4c841eeb7051ef6974a859df85354fc39c12466d753af59a9cdbd34c2773f0949bc8a6088ea749d54dab4c5e7976b97b811d071288ecf6e5210cbb73ca3d

        • C:\Users\Admin\AppData\Roaming\XenoManager\fbb251f9916a362e527e962c4e2b0950f75de2226f3e3092813fa35eb6392bb7.exe
          Filesize

          242KB

          MD5

          33f2e874128d3a24588e1c89927042bd

          SHA1

          e206af96ff648951608eaf599627635ddff7ecd8

          SHA256

          fbb251f9916a362e527e962c4e2b0950f75de2226f3e3092813fa35eb6392bb7

          SHA512

          559dc3f6a0f9a6e762545b9683e265e4459b8623786c979c959d5d78dff7f4455fed72135fcccc966c10ba3d3588fcbf077a44091e3012743245dc41bfd1b3c5

        • memory/452-30-0x00000000749E0000-0x0000000075190000-memory.dmp
          Filesize

          7.7MB

        • memory/452-16-0x00000000749E0000-0x0000000075190000-memory.dmp
          Filesize

          7.7MB

        • memory/1904-19-0x00000000749E0000-0x0000000075190000-memory.dmp
          Filesize

          7.7MB

        • memory/1904-9-0x0000000000400000-0x0000000000412000-memory.dmp
          Filesize

          72KB

        • memory/1904-37-0x00000000749E0000-0x0000000075190000-memory.dmp
          Filesize

          7.7MB

        • memory/1904-13-0x00000000749E0000-0x0000000075190000-memory.dmp
          Filesize

          7.7MB

        • memory/2212-18-0x00000000749E0000-0x0000000075190000-memory.dmp
          Filesize

          7.7MB

        • memory/4876-8-0x0000000002AF0000-0x0000000002AF6000-memory.dmp
          Filesize

          24KB

        • memory/4876-5-0x000000000DCE0000-0x000000000DD7C000-memory.dmp
          Filesize

          624KB

        • memory/4876-6-0x000000000E330000-0x000000000E8D4000-memory.dmp
          Filesize

          5.6MB

        • memory/4876-17-0x00000000749E0000-0x0000000075190000-memory.dmp
          Filesize

          7.7MB

        • memory/4876-4-0x00000000749E0000-0x0000000075190000-memory.dmp
          Filesize

          7.7MB

        • memory/4876-0-0x00000000749EE000-0x00000000749EF000-memory.dmp
          Filesize

          4KB

        • memory/4876-3-0x00000000050A0000-0x00000000050E0000-memory.dmp
          Filesize

          256KB

        • memory/4876-2-0x0000000002B00000-0x0000000002B06000-memory.dmp
          Filesize

          24KB

        • memory/4876-7-0x000000000DE20000-0x000000000DEB2000-memory.dmp
          Filesize

          584KB

        • memory/4876-1-0x0000000000670000-0x00000000006B6000-memory.dmp
          Filesize

          280KB