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Resubmissions

12/04/2024, 16:12

240412-tnhy5aca34 10

12/04/2024, 06:12

240412-gx6ekagc94 10

Analysis

  • max time kernel
    8s
  • max time network
    0s
  • platform
    windows7_x64
  • resource
    win7-20240221-en
  • resource tags

    arch:x64arch:x86image:win7-20240221-enlocale:en-usos:windows7-x64system
  • submitted
    12/04/2024, 06:12

General

  • Target

    ok.exe

  • Size

    45KB

  • MD5

    2d16646ae88e5979ab98de7a372337c8

  • SHA1

    dd91c79b53194fa45c78df96d0bd594a35c1508e

  • SHA256

    c01236d7be0ab4e31278d02559a12b8a0711144f26d37c6919375022964eba95

  • SHA512

    ad61921a8f87ce17c0d4b0a481632ff310e1f150022213094a0844cd06f7942f85685aebc758e4bac368bc2c2f7422618638ab7adbc4e10caf7ed14eba3184ff

  • SSDEEP

    768:NdhO/poiiUcjlJInDwH9Xqk5nWEZ5SbTDa0WI7CPW5c:Dw+jjgn0H9XqcnW85SbTlWIk

Score
10/10

Malware Config

Extracted

Family

xenorat

C2

fe80::48a6:2b8e:4540:36b9%6

Mutex

Xeno_rat_nd8912d

Attributes
  • delay

    5000

  • install_path

    appdata

  • port

    4444

  • startup_name

    SysUpd

Signatures

  • XenorRat

    XenorRat is a remote access trojan written in C#.

  • Executes dropped EXE 1 IoCs
  • Loads dropped DLL 1 IoCs
  • Enumerates physical storage devices 1 TTPs

    Attempts to interact with connected storage/optical drive(s).

  • 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 WriteProcessMemory 8 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\ok.exe
    "C:\Users\Admin\AppData\Local\Temp\ok.exe"
    1⤵
    • Loads dropped DLL
    • Suspicious use of WriteProcessMemory
    PID:868
    • C:\Users\Admin\AppData\Roaming\XenoManager\ok.exe
      "C:\Users\Admin\AppData\Roaming\XenoManager\ok.exe"
      2⤵
      • Executes dropped EXE
      • Suspicious use of WriteProcessMemory
      PID:2012
      • C:\Windows\SysWOW64\schtasks.exe
        "schtasks.exe" /Create /TN "SysUpd" /XML "C:\Users\Admin\AppData\Local\Temp\tmp2730.tmp" /F
        3⤵
        • Creates scheduled task(s)
        PID:2744

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

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Downloads

  • C:\Users\Admin\AppData\Local\Temp\tmp2730.tmp

    Filesize

    1KB

    MD5

    c9aa6bd88516f9bc4b41dcf9dbf3bc5c

    SHA1

    3ec3443bdb01171646bfe40ba2f3c4165c5a9b8f

    SHA256

    caaf68a6940e3fbeb4d4381a2cfa1658d604acd56bf075fd0da296db5b8f4bc3

    SHA512

    f5b9ce7896f22b810973e36439b5a091a8a56246bdf9a02d34061b52392230d9eea3b6002fd59663edd045df1d63b35c57a78ea10edacc4732b26fdce45daf8a

  • C:\Users\Admin\AppData\Roaming\XenoManager\ok.exe

    Filesize

    45KB

    MD5

    2d16646ae88e5979ab98de7a372337c8

    SHA1

    dd91c79b53194fa45c78df96d0bd594a35c1508e

    SHA256

    c01236d7be0ab4e31278d02559a12b8a0711144f26d37c6919375022964eba95

    SHA512

    ad61921a8f87ce17c0d4b0a481632ff310e1f150022213094a0844cd06f7942f85685aebc758e4bac368bc2c2f7422618638ab7adbc4e10caf7ed14eba3184ff

  • memory/868-0-0x0000000000100000-0x0000000000112000-memory.dmp

    Filesize

    72KB

  • memory/868-1-0x00000000744F0000-0x0000000074BDE000-memory.dmp

    Filesize

    6.9MB

  • memory/868-10-0x00000000744F0000-0x0000000074BDE000-memory.dmp

    Filesize

    6.9MB

  • memory/2012-9-0x0000000000D50000-0x0000000000D62000-memory.dmp

    Filesize

    72KB

  • memory/2012-11-0x00000000744F0000-0x0000000074BDE000-memory.dmp

    Filesize

    6.9MB

  • memory/2012-14-0x00000000049D0000-0x0000000004A10000-memory.dmp

    Filesize

    256KB