Resubmissions

07-12-2024 15:34

241207-sz38rs1pgm 10

07-12-2024 15:32

241207-syqw2s1pem 10

Analysis

  • max time kernel
    36s
  • max time network
    37s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20241007-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-x64system
  • submitted
    07-12-2024 15:32

General

  • Target

    7ab4cff638814f6af02b404eb9be4546122f56f93b071c44728d79f71e074277.vbs

  • Size

    10KB

  • MD5

    49c83d8e10443183f49df571416c685b

  • SHA1

    01df897fe262f4aaf0b3d48ccade34587dd83e72

  • SHA256

    7ab4cff638814f6af02b404eb9be4546122f56f93b071c44728d79f71e074277

  • SHA512

    92812130a270b977e5d0c655731b808a4c2d01a67d720921de1072d553199a2c200aa34853bda5937219e90c813f0a3350e59f0072a37c38c8de09a1adba7d49

  • SSDEEP

    192:PQrn65rH/Jjw5jvacpYTvS96XVELDrRiHgk:PQGrHdmvib1yLR/k

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
  • Blocklisted process makes network request 1 IoCs
  • Downloads MZ/PE file
  • Office macro that triggers on suspicious action 1 IoCs

    Office document macro which triggers in special circumstances - often malicious.

  • Suspicious Office macro 1 IoCs

    Office document equipped with macros.

  • Checks computer location settings 2 TTPs 1 IoCs

    Looks up country code configured in the registry, likely geofence.

  • Executes dropped EXE 8 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.

  • Checks SCSI registry key(s) 3 TTPs 3 IoCs

    SCSI information is often read in order to detect sandboxing environments.

  • Checks processor information in registry 2 TTPs 5 IoCs

    Processor information is often read in order to detect sandboxing environments.

  • Enumerates system info in registry 2 TTPs 3 IoCs
  • Scheduled Task/Job: Scheduled Task 1 TTPs 1 IoCs

    Schtasks is often used by malware for persistence or to perform post-infection execution.

  • Script User-Agent 1 IoCs

    Uses user-agent string associated with script host/environment.

  • Suspicious behavior: AddClipboardFormatListener 2 IoCs
  • Suspicious behavior: EnumeratesProcesses 8 IoCs
  • Suspicious use of AdjustPrivilegeToken 7 IoCs
  • Suspicious use of FindShellTrayWindow 33 IoCs
  • Suspicious use of SendNotifyMessage 33 IoCs
  • Suspicious use of SetWindowsHookEx 13 IoCs
  • Suspicious use of WriteProcessMemory 57 IoCs

Processes

  • C:\Windows\System32\WScript.exe
    "C:\Windows\System32\WScript.exe" "C:\Users\Admin\AppData\Local\Temp\7ab4cff638814f6af02b404eb9be4546122f56f93b071c44728d79f71e074277.vbs"
    1⤵
    • Blocklisted process makes network request
    PID:3532
  • C:\Program Files\Microsoft Office\Root\Office16\WINWORD.EXE
    "C:\Program Files\Microsoft Office\Root\Office16\WINWORD.EXE" /Automation -Embedding
    1⤵
    • Checks processor information in registry
    • Enumerates system info in registry
    • Suspicious behavior: AddClipboardFormatListener
    • Suspicious use of SetWindowsHookEx
    • Suspicious use of WriteProcessMemory
    PID:2952
    • C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Recent\DNKFU.exe
      "C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Recent\DNKFU.exe"
      2⤵
      • Executes dropped EXE
      • Suspicious use of SetThreadContext
      • System Location Discovery: System Language Discovery
      • Suspicious use of AdjustPrivilegeToken
      • Suspicious use of WriteProcessMemory
      PID:3012
      • C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Recent\DNKFU.exe
        C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Recent\DNKFU.exe
        3⤵
        • Executes dropped EXE
        PID:4504
        • C:\Windows\SysWOW64\WerFault.exe
          C:\Windows\SysWOW64\WerFault.exe -u -p 4504 -s 80
          4⤵
          • Program crash
          PID:4312
      • C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Recent\DNKFU.exe
        C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Recent\DNKFU.exe
        3⤵
        • Executes dropped EXE
        • System Location Discovery: System Language Discovery
        • Suspicious use of WriteProcessMemory
        PID:5092
        • C:\Windows\SysWOW64\schtasks.exe
          "schtasks.exe" /Create /TN "mrec" /XML "C:\Users\Admin\AppData\Local\Temp\tmpAC9B.tmp" /F
          4⤵
          • System Location Discovery: System Language Discovery
          • Scheduled Task/Job: Scheduled Task
          PID:4132
      • C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Recent\DNKFU.exe
        C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Recent\DNKFU.exe
        3⤵
        • Checks computer location settings
        • Executes dropped EXE
        • System Location Discovery: System Language Discovery
        • Suspicious use of WriteProcessMemory
        PID:1200
        • C:\Users\Admin\AppData\Roaming\UpdateManager\DNKFU.exe
          "C:\Users\Admin\AppData\Roaming\UpdateManager\DNKFU.exe"
          4⤵
          • Executes dropped EXE
          • Suspicious use of SetThreadContext
          • System Location Discovery: System Language Discovery
          • Suspicious use of AdjustPrivilegeToken
          • Suspicious use of WriteProcessMemory
          PID:1776
          • C:\Users\Admin\AppData\Roaming\UpdateManager\DNKFU.exe
            C:\Users\Admin\AppData\Roaming\UpdateManager\DNKFU.exe
            5⤵
            • Executes dropped EXE
            • System Location Discovery: System Language Discovery
            PID:2108
          • C:\Users\Admin\AppData\Roaming\UpdateManager\DNKFU.exe
            C:\Users\Admin\AppData\Roaming\UpdateManager\DNKFU.exe
            5⤵
            • Executes dropped EXE
            • System Location Discovery: System Language Discovery
            PID:3964
          • C:\Users\Admin\AppData\Roaming\UpdateManager\DNKFU.exe
            C:\Users\Admin\AppData\Roaming\UpdateManager\DNKFU.exe
            5⤵
            • Executes dropped EXE
            • System Location Discovery: System Language Discovery
            PID:1496
  • C:\Windows\SysWOW64\WerFault.exe
    C:\Windows\SysWOW64\WerFault.exe -pss -s 408 -p 4504 -ip 4504
    1⤵
      PID:4472
    • C:\Windows\system32\taskmgr.exe
      "C:\Windows\system32\taskmgr.exe" /4
      1⤵
      • Checks SCSI registry key(s)
      • Checks processor information in registry
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      • Suspicious use of FindShellTrayWindow
      • Suspicious use of SendNotifyMessage
      PID:2364

    Network

    MITRE ATT&CK Enterprise v15

    Replay Monitor

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    Downloads

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

      Filesize

      706B

      MD5

      d95c58e609838928f0f49837cab7dfd2

      SHA1

      55e7139a1e3899195b92ed8771d1ca2c7d53c916

      SHA256

      0407c814aef0d62aec7fd39b7c2f614746f0d8ff41f8ef957736f520f14b0339

      SHA512

      405310b29a833604c6627063bfdcf055a197e01f633ef21da238f1a6415a02e21315d689b4a6669db23e82152bed6f3492afb60963e6b2a0e9bb2ac09a480b5d

    • C:\Users\Admin\AppData\Local\Temp\Fyj.doc

      Filesize

      193KB

      MD5

      ce24313f8b01015afc7d6f5e668bd703

      SHA1

      d86c8ee00b3f4db999a94557e7ae62ee2cd87c0e

      SHA256

      b7d50f4fb2342f63f86df5da89e7be2d3490adaccb37a5a6df2c1927c46aec60

      SHA512

      b5e1f7a31e22afdf20b6b206e3815613714758f091481e15f73ca371f2bccb6833fd4b50c4f53869a315948c0a2e94ad7cb1753a764b0d0d234b5f511bf7b710

    • C:\Users\Admin\AppData\Local\Temp\tmpAC9B.tmp

      Filesize

      1KB

      MD5

      5c8fe4f5f1e1e45ed639b7c4c8c8ab0a

      SHA1

      f46c6596614c34e0dc0dd04b31b0d9863ed80d2e

      SHA256

      2bdd53d79e6397484b617c2c307d3b88e0e93e29546ef0dd7389614c1e7d3c20

      SHA512

      c1b2c9a3f452e3f7b09f9d3c76a37f86de76884e1a388f51ef41cc4a9a78a74504a03ea000fbe6204861e251a7bb2a0ddf4d6e0ac51ef184dd9d8c61e60ef9fe

    • C:\Users\Admin\AppData\Roaming\Microsoft\Templates\Normal.dotm

      Filesize

      18KB

      MD5

      2c016b36ed7147213bb11185e7353cfe

      SHA1

      96ca10c2768d7f899b4ecbf452670613b10a231d

      SHA256

      e17fd8f5c712935dff5bc70bed02b3b41b2df0ab82249887adfb3b19cba774aa

      SHA512

      57f9983adbfb5c21b2a58b3b5817e0e27628c82c4d32ce14b207308234ed451d8216c832220c51b18748d2aa6c18b8edd113db4ebd946ce57970666569374f1c

    • C:\Users\Admin\AppData\Roaming\Microsoft\UProof\CUSTOM.DIC

      Filesize

      16B

      MD5

      d29962abc88624befc0135579ae485ec

      SHA1

      e40a6458296ec6a2427bcb280572d023a9862b31

      SHA256

      a91a702aab9b8dd722843d3d208a21bcfa6556dfc64e2ded63975de4511eb866

      SHA512

      4311e87d8d5559248d4174908817a4ddc917bf7378114435cf12da8ccb7a1542c851812afbaf7dc106771bdb2e2d05f52e7d0c50d110fc7fffe4395592492c2f

    • C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Recent\DNKFU.exe

      Filesize

      174KB

      MD5

      d0cbf54138d03f82115b5708be94c5c0

      SHA1

      aeaafe59c0342c0105d764ee69f6292206f661c6

      SHA256

      c243a7dcd332df7a231b33e346a1db91ad01c7f0a17f10ed8dec3efa34743949

      SHA512

      fedc40b326466772e5da972798faa3504837ee67cd26f73db2f6a7effae9d1dc511007279ddd3b78b885c8d691c897ffd2a29f82dd37c6a33623eee85ebb1108

    • memory/2364-157-0x0000018887190000-0x0000018887191000-memory.dmp

      Filesize

      4KB

    • memory/2364-160-0x0000018887190000-0x0000018887191000-memory.dmp

      Filesize

      4KB

    • memory/2364-150-0x0000018887190000-0x0000018887191000-memory.dmp

      Filesize

      4KB

    • memory/2364-149-0x0000018887190000-0x0000018887191000-memory.dmp

      Filesize

      4KB

    • memory/2364-148-0x0000018887190000-0x0000018887191000-memory.dmp

      Filesize

      4KB

    • memory/2364-159-0x0000018887190000-0x0000018887191000-memory.dmp

      Filesize

      4KB

    • memory/2364-158-0x0000018887190000-0x0000018887191000-memory.dmp

      Filesize

      4KB

    • memory/2364-156-0x0000018887190000-0x0000018887191000-memory.dmp

      Filesize

      4KB

    • memory/2364-155-0x0000018887190000-0x0000018887191000-memory.dmp

      Filesize

      4KB

    • memory/2364-154-0x0000018887190000-0x0000018887191000-memory.dmp

      Filesize

      4KB

    • memory/2952-144-0x00007FFB462F0000-0x00007FFB46300000-memory.dmp

      Filesize

      64KB

    • memory/2952-145-0x00007FFB86270000-0x00007FFB86465000-memory.dmp

      Filesize

      2.0MB

    • memory/2952-46-0x00007FFB86270000-0x00007FFB86465000-memory.dmp

      Filesize

      2.0MB

    • memory/2952-55-0x00007FFB86270000-0x00007FFB86465000-memory.dmp

      Filesize

      2.0MB

    • memory/2952-40-0x00007FFB86270000-0x00007FFB86465000-memory.dmp

      Filesize

      2.0MB

    • memory/2952-5-0x00007FFB86270000-0x00007FFB86465000-memory.dmp

      Filesize

      2.0MB

    • memory/2952-6-0x00007FFB462F0000-0x00007FFB46300000-memory.dmp

      Filesize

      64KB

    • memory/2952-76-0x00007FFB86270000-0x00007FFB86465000-memory.dmp

      Filesize

      2.0MB

    • memory/2952-77-0x00007FFB86270000-0x00007FFB86465000-memory.dmp

      Filesize

      2.0MB

    • memory/2952-7-0x00007FFB86270000-0x00007FFB86465000-memory.dmp

      Filesize

      2.0MB

    • memory/2952-8-0x00007FFB462F0000-0x00007FFB46300000-memory.dmp

      Filesize

      64KB

    • memory/2952-9-0x00007FFB86270000-0x00007FFB86465000-memory.dmp

      Filesize

      2.0MB

    • memory/2952-4-0x00007FFB8630D000-0x00007FFB8630E000-memory.dmp

      Filesize

      4KB

    • memory/2952-10-0x00007FFB86270000-0x00007FFB86465000-memory.dmp

      Filesize

      2.0MB

    • memory/2952-3-0x00007FFB462F0000-0x00007FFB46300000-memory.dmp

      Filesize

      64KB

    • memory/2952-15-0x00007FFB44180000-0x00007FFB44190000-memory.dmp

      Filesize

      64KB

    • memory/2952-97-0x00007FFB86270000-0x00007FFB86465000-memory.dmp

      Filesize

      2.0MB

    • memory/2952-98-0x00007FFB86270000-0x00007FFB86465000-memory.dmp

      Filesize

      2.0MB

    • memory/2952-11-0x00007FFB86270000-0x00007FFB86465000-memory.dmp

      Filesize

      2.0MB

    • memory/2952-119-0x00007FFB86270000-0x00007FFB86465000-memory.dmp

      Filesize

      2.0MB

    • memory/2952-120-0x00007FFB86270000-0x00007FFB86465000-memory.dmp

      Filesize

      2.0MB

    • memory/2952-121-0x00007FFB86270000-0x00007FFB86465000-memory.dmp

      Filesize

      2.0MB

    • memory/2952-122-0x00007FFB86270000-0x00007FFB86465000-memory.dmp

      Filesize

      2.0MB

    • memory/2952-14-0x00007FFB44180000-0x00007FFB44190000-memory.dmp

      Filesize

      64KB

    • memory/2952-141-0x00007FFB462F0000-0x00007FFB46300000-memory.dmp

      Filesize

      64KB

    • memory/2952-143-0x00007FFB462F0000-0x00007FFB46300000-memory.dmp

      Filesize

      64KB

    • memory/2952-1-0x00007FFB462F0000-0x00007FFB46300000-memory.dmp

      Filesize

      64KB

    • memory/2952-142-0x00007FFB462F0000-0x00007FFB46300000-memory.dmp

      Filesize

      64KB

    • memory/2952-41-0x00007FFB86270000-0x00007FFB86465000-memory.dmp

      Filesize

      2.0MB

    • memory/2952-12-0x00007FFB86270000-0x00007FFB86465000-memory.dmp

      Filesize

      2.0MB

    • memory/2952-13-0x00007FFB86270000-0x00007FFB86465000-memory.dmp

      Filesize

      2.0MB

    • memory/2952-2-0x00007FFB462F0000-0x00007FFB46300000-memory.dmp

      Filesize

      64KB

    • memory/3012-82-0x0000000005400000-0x0000000005406000-memory.dmp

      Filesize

      24KB

    • memory/3012-81-0x0000000007AA0000-0x0000000007B32000-memory.dmp

      Filesize

      584KB

    • memory/3012-80-0x0000000008050000-0x00000000085F4000-memory.dmp

      Filesize

      5.6MB

    • memory/3012-78-0x0000000004EE0000-0x0000000004F14000-memory.dmp

      Filesize

      208KB

    • memory/3012-79-0x0000000007A00000-0x0000000007A9C000-memory.dmp

      Filesize

      624KB

    • memory/3012-75-0x0000000002EB0000-0x0000000002EB6000-memory.dmp

      Filesize

      24KB

    • memory/3012-74-0x0000000000AD0000-0x0000000000B00000-memory.dmp

      Filesize

      192KB

    • memory/5092-85-0x0000000000400000-0x0000000000412000-memory.dmp

      Filesize

      72KB