Analysis

  • max time kernel
    148s
  • max time network
    144s
  • 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 01:42

General

  • Target

    a8a1713fd42448f33024b5631652ccaff80906a0b34060041f574b874b116d18.exe

  • Size

    242KB

  • MD5

    4d4b2c3f80721a17b1933d01e0f889a8

  • SHA1

    67222941b34301014e8e0208cefa97b86074ab67

  • SHA256

    a8a1713fd42448f33024b5631652ccaff80906a0b34060041f574b874b116d18

  • SHA512

    1b726882ed48a1a9b2ea9eca7e2da3c2eee7b4145f5ab012fa993a1f3f935e2cf469c7dbcf44ba771732b7a6a4ec58e8ab141dd90b23fb8b7db4bc0d68588d12

  • SSDEEP

    6144:tkG0/qHJg+XoB9B6vP6560aZMNddbD3CmOA6d5CiN5pmwdRI:G/qHm+4B9B6X6s0aZMNrvcd5CiN5pmw

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 2 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\a8a1713fd42448f33024b5631652ccaff80906a0b34060041f574b874b116d18.exe
    "C:\Users\Admin\AppData\Local\Temp\a8a1713fd42448f33024b5631652ccaff80906a0b34060041f574b874b116d18.exe"
    1⤵
    • Suspicious use of SetThreadContext
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of WriteProcessMemory
    PID:3728
    • C:\Users\Admin\AppData\Local\Temp\a8a1713fd42448f33024b5631652ccaff80906a0b34060041f574b874b116d18.exe
      C:\Users\Admin\AppData\Local\Temp\a8a1713fd42448f33024b5631652ccaff80906a0b34060041f574b874b116d18.exe
      2⤵
      • Checks computer location settings
      • Suspicious use of WriteProcessMemory
      PID:2568
      • C:\Users\Admin\AppData\Roaming\XenoManager\a8a1713fd42448f33024b5631652ccaff80906a0b34060041f574b874b116d18.exe
        "C:\Users\Admin\AppData\Roaming\XenoManager\a8a1713fd42448f33024b5631652ccaff80906a0b34060041f574b874b116d18.exe"
        3⤵
        • Executes dropped EXE
        • Suspicious use of SetThreadContext
        • Suspicious use of AdjustPrivilegeToken
        • Suspicious use of WriteProcessMemory
        PID:4992
        • C:\Users\Admin\AppData\Roaming\XenoManager\a8a1713fd42448f33024b5631652ccaff80906a0b34060041f574b874b116d18.exe
          C:\Users\Admin\AppData\Roaming\XenoManager\a8a1713fd42448f33024b5631652ccaff80906a0b34060041f574b874b116d18.exe
          4⤵
          • Executes dropped EXE
          PID:3204
        • C:\Users\Admin\AppData\Roaming\XenoManager\a8a1713fd42448f33024b5631652ccaff80906a0b34060041f574b874b116d18.exe
          C:\Users\Admin\AppData\Roaming\XenoManager\a8a1713fd42448f33024b5631652ccaff80906a0b34060041f574b874b116d18.exe
          4⤵
          • Executes dropped EXE
          PID:552
          • C:\Windows\SysWOW64\WerFault.exe
            C:\Windows\SysWOW64\WerFault.exe -u -p 552 -s 80
            5⤵
            • Program crash
            PID:3232
        • C:\Users\Admin\AppData\Roaming\XenoManager\a8a1713fd42448f33024b5631652ccaff80906a0b34060041f574b874b116d18.exe
          C:\Users\Admin\AppData\Roaming\XenoManager\a8a1713fd42448f33024b5631652ccaff80906a0b34060041f574b874b116d18.exe
          4⤵
          • Executes dropped EXE
          PID:4936
    • C:\Users\Admin\AppData\Local\Temp\a8a1713fd42448f33024b5631652ccaff80906a0b34060041f574b874b116d18.exe
      C:\Users\Admin\AppData\Local\Temp\a8a1713fd42448f33024b5631652ccaff80906a0b34060041f574b874b116d18.exe
      2⤵
        PID:3340
        • C:\Windows\SysWOW64\WerFault.exe
          C:\Windows\SysWOW64\WerFault.exe -u -p 3340 -s 84
          3⤵
          • Program crash
          PID:1072
      • C:\Users\Admin\AppData\Local\Temp\a8a1713fd42448f33024b5631652ccaff80906a0b34060041f574b874b116d18.exe
        C:\Users\Admin\AppData\Local\Temp\a8a1713fd42448f33024b5631652ccaff80906a0b34060041f574b874b116d18.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\tmpD193.tmp" /F
          3⤵
          • Creates scheduled task(s)
          PID:4840
    • C:\Windows\SysWOW64\WerFault.exe
      C:\Windows\SysWOW64\WerFault.exe -pss -s 416 -p 3340 -ip 3340
      1⤵
        PID:1488
      • C:\Windows\SysWOW64\WerFault.exe
        C:\Windows\SysWOW64\WerFault.exe -pss -s 196 -p 552 -ip 552
        1⤵
          PID:3304
        • 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:748

          Network

          MITRE ATT&CK Enterprise v15

          Replay Monitor

          Loading Replay Monitor...

          Downloads

          • C:\Users\Admin\AppData\Local\Microsoft\CLR_v4.0_32\UsageLogs\a8a1713fd42448f33024b5631652ccaff80906a0b34060041f574b874b116d18.exe.log
            Filesize

            706B

            MD5

            d95c58e609838928f0f49837cab7dfd2

            SHA1

            55e7139a1e3899195b92ed8771d1ca2c7d53c916

            SHA256

            0407c814aef0d62aec7fd39b7c2f614746f0d8ff41f8ef957736f520f14b0339

            SHA512

            405310b29a833604c6627063bfdcf055a197e01f633ef21da238f1a6415a02e21315d689b4a6669db23e82152bed6f3492afb60963e6b2a0e9bb2ac09a480b5d

          • C:\Users\Admin\AppData\Local\Temp\tmpD193.tmp
            Filesize

            1KB

            MD5

            eb28c77c2fc56241d7fb90ee5033ac0e

            SHA1

            bc288f24b0ad0b5dcd122487000b93c8cf116ff3

            SHA256

            a35b4bef6527977115efd367d3913816e6bc18f320b984fcee9ef3110ab82908

            SHA512

            3fbe4fc8abd6e4ead9c8ff3c02f120fbbc0edc6752f652a4f3a14693602c0434725fac328ea476649d3a30570a0c5ac9c1c31d28180354ad80b5c5a3798114d9

          • C:\Users\Admin\AppData\Roaming\XenoManager\a8a1713fd42448f33024b5631652ccaff80906a0b34060041f574b874b116d18.exe
            Filesize

            242KB

            MD5

            4d4b2c3f80721a17b1933d01e0f889a8

            SHA1

            67222941b34301014e8e0208cefa97b86074ab67

            SHA256

            a8a1713fd42448f33024b5631652ccaff80906a0b34060041f574b874b116d18

            SHA512

            1b726882ed48a1a9b2ea9eca7e2da3c2eee7b4145f5ab012fa993a1f3f935e2cf469c7dbcf44ba771732b7a6a4ec58e8ab141dd90b23fb8b7db4bc0d68588d12

          • memory/1904-16-0x00000000749E0000-0x0000000075190000-memory.dmp
            Filesize

            7.7MB

          • memory/1904-38-0x00000000749E0000-0x0000000075190000-memory.dmp
            Filesize

            7.7MB

          • memory/1904-17-0x00000000749E0000-0x0000000075190000-memory.dmp
            Filesize

            7.7MB

          • memory/2568-13-0x00000000749E0000-0x0000000075190000-memory.dmp
            Filesize

            7.7MB

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

            72KB

          • memory/2568-29-0x00000000749E0000-0x0000000075190000-memory.dmp
            Filesize

            7.7MB

          • memory/3728-0-0x00000000749EE000-0x00000000749EF000-memory.dmp
            Filesize

            4KB

          • memory/3728-7-0x000000000E620000-0x000000000E6B2000-memory.dmp
            Filesize

            584KB

          • memory/3728-15-0x00000000749E0000-0x0000000075190000-memory.dmp
            Filesize

            7.7MB

          • memory/3728-6-0x000000000EB30000-0x000000000F0D4000-memory.dmp
            Filesize

            5.6MB

          • memory/3728-4-0x00000000749E0000-0x0000000075190000-memory.dmp
            Filesize

            7.7MB

          • memory/3728-5-0x000000000E4E0000-0x000000000E57C000-memory.dmp
            Filesize

            624KB

          • memory/3728-3-0x000000000E400000-0x000000000E440000-memory.dmp
            Filesize

            256KB

          • memory/3728-8-0x0000000003370000-0x0000000003376000-memory.dmp
            Filesize

            24KB

          • memory/3728-2-0x00000000032C0000-0x00000000032C6000-memory.dmp
            Filesize

            24KB

          • memory/3728-1-0x0000000000E80000-0x0000000000EC6000-memory.dmp
            Filesize

            280KB

          • memory/4992-30-0x00000000749E0000-0x0000000075190000-memory.dmp
            Filesize

            7.7MB

          • memory/4992-37-0x00000000749E0000-0x0000000075190000-memory.dmp
            Filesize

            7.7MB