Analysis

  • max time kernel
    149s
  • max time network
    157s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20240226-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20240226-enlocale:en-usos:windows10-2004-x64system
  • submitted
    15-05-2024 01:44

General

  • Target

    b23e432607f98a398b19419f30eca5bdbca21b662ce18b882830bfef370a9a46.exe

  • Size

    243KB

  • MD5

    675943378edf65821651532354a211f7

  • SHA1

    bb3ad849880cc1ca9f946e7c3d56b605132cab68

  • SHA256

    b23e432607f98a398b19419f30eca5bdbca21b662ce18b882830bfef370a9a46

  • SHA512

    6d6ea3b7503d4be8b14217cb1f919404eb5cdfd2d546535c14ed75835293bfd9c2a6564b54cb8ea4487b7d49a4db75d1aafc5f022ea01c58c96d60d8b2ee0bc9

  • SSDEEP

    6144:1surFANhoBJbRZlFOKC1XozQ9I1Qcti4a/ME46/QqBwdhHGPxMNI:KurFANSLdpOb14zQ9wI/Mf6tBwdhHGPZ

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\b23e432607f98a398b19419f30eca5bdbca21b662ce18b882830bfef370a9a46.exe
    "C:\Users\Admin\AppData\Local\Temp\b23e432607f98a398b19419f30eca5bdbca21b662ce18b882830bfef370a9a46.exe"
    1⤵
    • Suspicious use of SetThreadContext
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of WriteProcessMemory
    PID:4140
    • C:\Users\Admin\AppData\Local\Temp\b23e432607f98a398b19419f30eca5bdbca21b662ce18b882830bfef370a9a46.exe
      C:\Users\Admin\AppData\Local\Temp\b23e432607f98a398b19419f30eca5bdbca21b662ce18b882830bfef370a9a46.exe
      2⤵
      • Suspicious use of WriteProcessMemory
      PID:1108
      • C:\Windows\SysWOW64\schtasks.exe
        "schtasks.exe" /Create /TN "bns" /XML "C:\Users\Admin\AppData\Local\Temp\tmpB7F.tmp" /F
        3⤵
        • Creates scheduled task(s)
        PID:1968
    • C:\Users\Admin\AppData\Local\Temp\b23e432607f98a398b19419f30eca5bdbca21b662ce18b882830bfef370a9a46.exe
      C:\Users\Admin\AppData\Local\Temp\b23e432607f98a398b19419f30eca5bdbca21b662ce18b882830bfef370a9a46.exe
      2⤵
      • Checks computer location settings
      • Suspicious use of WriteProcessMemory
      PID:1096
      • C:\Users\Admin\AppData\Roaming\XenoManager\b23e432607f98a398b19419f30eca5bdbca21b662ce18b882830bfef370a9a46.exe
        "C:\Users\Admin\AppData\Roaming\XenoManager\b23e432607f98a398b19419f30eca5bdbca21b662ce18b882830bfef370a9a46.exe"
        3⤵
        • Executes dropped EXE
        • Suspicious use of SetThreadContext
        • Suspicious use of AdjustPrivilegeToken
        • Suspicious use of WriteProcessMemory
        PID:4176
        • C:\Users\Admin\AppData\Roaming\XenoManager\b23e432607f98a398b19419f30eca5bdbca21b662ce18b882830bfef370a9a46.exe
          C:\Users\Admin\AppData\Roaming\XenoManager\b23e432607f98a398b19419f30eca5bdbca21b662ce18b882830bfef370a9a46.exe
          4⤵
          • Executes dropped EXE
          PID:1212
        • C:\Users\Admin\AppData\Roaming\XenoManager\b23e432607f98a398b19419f30eca5bdbca21b662ce18b882830bfef370a9a46.exe
          C:\Users\Admin\AppData\Roaming\XenoManager\b23e432607f98a398b19419f30eca5bdbca21b662ce18b882830bfef370a9a46.exe
          4⤵
          • Executes dropped EXE
          PID:3584
        • C:\Users\Admin\AppData\Roaming\XenoManager\b23e432607f98a398b19419f30eca5bdbca21b662ce18b882830bfef370a9a46.exe
          C:\Users\Admin\AppData\Roaming\XenoManager\b23e432607f98a398b19419f30eca5bdbca21b662ce18b882830bfef370a9a46.exe
          4⤵
          • Executes dropped EXE
          PID:1864
    • C:\Users\Admin\AppData\Local\Temp\b23e432607f98a398b19419f30eca5bdbca21b662ce18b882830bfef370a9a46.exe
      C:\Users\Admin\AppData\Local\Temp\b23e432607f98a398b19419f30eca5bdbca21b662ce18b882830bfef370a9a46.exe
      2⤵
        PID:2340
        • C:\Windows\SysWOW64\WerFault.exe
          C:\Windows\SysWOW64\WerFault.exe -u -p 2340 -s 152
          3⤵
          • Program crash
          PID:3380
    • C:\Windows\SysWOW64\WerFault.exe
      C:\Windows\SysWOW64\WerFault.exe -pss -s 408 -p 2340 -ip 2340
      1⤵
        PID:2880
      • 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 --mojo-platform-channel-handle=4080 --field-trial-handle=2252,i,16504368816373493055,9578615028378602855,262144 --variations-seed-version /prefetch:8
        1⤵
          PID:1836

        Network

        MITRE ATT&CK Enterprise v15

        Replay Monitor

        Loading Replay Monitor...

        Downloads

        • C:\Users\Admin\AppData\Local\Microsoft\CLR_v4.0_32\UsageLogs\b23e432607f98a398b19419f30eca5bdbca21b662ce18b882830bfef370a9a46.exe.log
          Filesize

          706B

          MD5

          d95c58e609838928f0f49837cab7dfd2

          SHA1

          55e7139a1e3899195b92ed8771d1ca2c7d53c916

          SHA256

          0407c814aef0d62aec7fd39b7c2f614746f0d8ff41f8ef957736f520f14b0339

          SHA512

          405310b29a833604c6627063bfdcf055a197e01f633ef21da238f1a6415a02e21315d689b4a6669db23e82152bed6f3492afb60963e6b2a0e9bb2ac09a480b5d

        • C:\Users\Admin\AppData\Local\Temp\tmpB7F.tmp
          Filesize

          1KB

          MD5

          a9b87881a2db6fd1f7aef007668a196c

          SHA1

          be98eeeacf945c0006a3e068f2060b961be64ff2

          SHA256

          74bbfb9905ebb96da29d9235f1bee94964bb921d626b743934953f369eba668a

          SHA512

          f38965ebcb206bbe7d510e7c6defa9cb1b73ef0bbeca4bdff4499c76c845867fc84e82c68ecab5406b2c0b9c194ec1881e6a77c8efe45192020c371c964c43f7

        • C:\Users\Admin\AppData\Roaming\XenoManager\b23e432607f98a398b19419f30eca5bdbca21b662ce18b882830bfef370a9a46.exe
          Filesize

          243KB

          MD5

          675943378edf65821651532354a211f7

          SHA1

          bb3ad849880cc1ca9f946e7c3d56b605132cab68

          SHA256

          b23e432607f98a398b19419f30eca5bdbca21b662ce18b882830bfef370a9a46

          SHA512

          6d6ea3b7503d4be8b14217cb1f919404eb5cdfd2d546535c14ed75835293bfd9c2a6564b54cb8ea4487b7d49a4db75d1aafc5f022ea01c58c96d60d8b2ee0bc9

        • memory/1096-29-0x0000000074B80000-0x0000000075330000-memory.dmp
          Filesize

          7.7MB

        • memory/1096-14-0x0000000074B80000-0x0000000075330000-memory.dmp
          Filesize

          7.7MB

        • memory/1108-9-0x0000000000400000-0x0000000000412000-memory.dmp
          Filesize

          72KB

        • memory/1108-36-0x0000000074B80000-0x0000000075330000-memory.dmp
          Filesize

          7.7MB

        • memory/1108-17-0x0000000074B80000-0x0000000075330000-memory.dmp
          Filesize

          7.7MB

        • memory/1108-12-0x0000000074B80000-0x0000000075330000-memory.dmp
          Filesize

          7.7MB

        • memory/4140-4-0x0000000004DA0000-0x0000000004DE0000-memory.dmp
          Filesize

          256KB

        • memory/4140-8-0x0000000004840000-0x0000000004846000-memory.dmp
          Filesize

          24KB

        • memory/4140-15-0x0000000074B80000-0x0000000075330000-memory.dmp
          Filesize

          7.7MB

        • memory/4140-7-0x000000000DAB0000-0x000000000DB42000-memory.dmp
          Filesize

          584KB

        • memory/4140-6-0x000000000E060000-0x000000000E604000-memory.dmp
          Filesize

          5.6MB

        • memory/4140-5-0x000000000DA10000-0x000000000DAAC000-memory.dmp
          Filesize

          624KB

        • memory/4140-0-0x0000000074B8E000-0x0000000074B8F000-memory.dmp
          Filesize

          4KB

        • memory/4140-3-0x0000000074B80000-0x0000000075330000-memory.dmp
          Filesize

          7.7MB

        • memory/4140-2-0x0000000004CE0000-0x0000000004CE6000-memory.dmp
          Filesize

          24KB

        • memory/4140-1-0x0000000000370000-0x00000000003B6000-memory.dmp
          Filesize

          280KB