Analysis

  • max time kernel
    149s
  • max time network
    149s
  • platform
    windows10-ltsc 2021_x64
  • resource
    win10ltsc2021-20241211-en
  • resource tags

    arch:x64arch:x86image:win10ltsc2021-20241211-enlocale:en-usos:windows10-ltsc 2021-x64system
  • submitted
    17-12-2024 16:56

General

  • Target

    XtasyExecutor.exe

  • Size

    203KB

  • MD5

    ad66fa62ecf3176d68c0d2f5893418da

  • SHA1

    944507be4ebf28f41d641626ac1497aadc3e0a2f

  • SHA256

    2378091915eb66b1129dd49b41bf71b66983136a629fe5d8f4602120041ecf10

  • SHA512

    d1905e0dc6421bcd81e05dcea9d7a0b6fb23fe457f11972667c8c2bd59d593302bcdc74bc09f49b60af512e5602b050dfe11cc98e18c20e27b4fdb3b170ec7de

  • SSDEEP

    3072:gzEqV6B1jHa6dtJ10jgvzcgi+oG/j9iaMP2s/HIqcIx3O8QjioFn2EryTRJahUB8:gLV6Bta6dtJmakIM5ELiCcdByU0

Malware Config

Signatures

  • NanoCore

    NanoCore is a remote access tool (RAT) with a variety of capabilities.

  • Nanocore family
  • Adds Run key to start application 2 TTPs 1 IoCs
  • Checks whether UAC is enabled 1 TTPs 1 IoCs
  • Drops file in Program Files directory 1 IoCs
  • System Location Discovery: System Language Discovery 1 TTPs 1 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 6 IoCs

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

  • Suspicious behavior: EnumeratesProcesses 64 IoCs
  • Suspicious behavior: GetForegroundWindowSpam 1 IoCs
  • Suspicious use of AdjustPrivilegeToken 13 IoCs
  • Suspicious use of FindShellTrayWindow 64 IoCs
  • Suspicious use of SendNotifyMessage 64 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\XtasyExecutor.exe
    "C:\Users\Admin\AppData\Local\Temp\XtasyExecutor.exe"
    1⤵
    • Adds Run key to start application
    • Checks whether UAC is enabled
    • Drops file in Program Files directory
    • System Location Discovery: System Language Discovery
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious behavior: GetForegroundWindowSpam
    • Suspicious use of AdjustPrivilegeToken
    PID:996
  • C:\Windows\system32\AUDIODG.EXE
    C:\Windows\system32\AUDIODG.EXE 0x4a4 0x2cc
    1⤵
    • Suspicious use of AdjustPrivilegeToken
    PID:1584
  • C:\Windows\system32\taskmgr.exe
    "C:\Windows\system32\taskmgr.exe" /4
    1⤵
    • Checks SCSI registry key(s)
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of FindShellTrayWindow
    • Suspicious use of SendNotifyMessage
    PID:4748
  • C:\Windows\system32\taskmgr.exe
    "C:\Windows\system32\taskmgr.exe" /4
    1⤵
    • Checks SCSI registry key(s)
    • Suspicious use of AdjustPrivilegeToken
    PID:3524

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

Loading Replay Monitor...

Downloads

  • C:\Users\Admin\AppData\Local\D3DSCache\e8010882af4f153f\F4EB2D6C-ED2B-4BDD-AD9D-F913287E6768.idx

    Filesize

    64KB

    MD5

    d2fb266b97caff2086bf0fa74eddb6b2

    SHA1

    2f0061ce9c51b5b4fbab76b37fc6a540be7f805d

    SHA256

    b09f68b61d9ff5a7c7c8b10eee9447d4813ee0e866346e629e788cd4adecb66a

    SHA512

    c3ba95a538c1d266beb83334af755c34ce642a4178ab0f2e5f7822fd6821d3b68862a8b58f167a9294e6d913b08c1054a69b5d7aec2efdb3cf9796ed84de21a8

  • C:\Users\Admin\AppData\Local\D3DSCache\e8010882af4f153f\F4EB2D6C-ED2B-4BDD-AD9D-F913287E6768.lock

    Filesize

    4B

    MD5

    f49655f856acb8884cc0ace29216f511

    SHA1

    cb0f1f87ec0455ec349aaa950c600475ac7b7b6b

    SHA256

    7852fce59c67ddf1d6b8b997eaa1adfac004a9f3a91c37295de9223674011fba

    SHA512

    599e93d25b174524495ed29653052b3590133096404873318f05fd68f4c9a5c9a3b30574551141fbb73d7329d6be342699a17f3ae84554bab784776dfda2d5f8

  • C:\Users\Admin\AppData\Local\D3DSCache\e8010882af4f153f\F4EB2D6C-ED2B-4BDD-AD9D-F913287E6768.val

    Filesize

    944B

    MD5

    6bd369f7c74a28194c991ed1404da30f

    SHA1

    0f8e3f8ab822c9374409fe399b6bfe5d68cbd643

    SHA256

    878947d0ec814fe7c343cdebc05eebf00eb14f3023bdb3809a559e17f399fe5d

    SHA512

    8fc5f073dc9fa1e1ae47c60a5f06e0a48709fd6a4302dffaa721858409e7bde64bc6856d3fb28891090516d1a7afc542579de287778b5755eafe75cc67d45d93

  • memory/996-1-0x00000000746E0000-0x0000000074C91000-memory.dmp

    Filesize

    5.7MB

  • memory/996-2-0x00000000746E0000-0x0000000074C91000-memory.dmp

    Filesize

    5.7MB

  • memory/996-4-0x00000000746E0000-0x0000000074C91000-memory.dmp

    Filesize

    5.7MB

  • memory/996-8-0x00000000746E2000-0x00000000746E3000-memory.dmp

    Filesize

    4KB

  • memory/996-9-0x00000000746E0000-0x0000000074C91000-memory.dmp

    Filesize

    5.7MB

  • memory/996-10-0x00000000746E0000-0x0000000074C91000-memory.dmp

    Filesize

    5.7MB

  • memory/996-11-0x00000000746E0000-0x0000000074C91000-memory.dmp

    Filesize

    5.7MB

  • memory/996-0-0x00000000746E2000-0x00000000746E3000-memory.dmp

    Filesize

    4KB

  • memory/4748-12-0x000002A493B10000-0x000002A493B11000-memory.dmp

    Filesize

    4KB

  • memory/4748-23-0x000002A493B10000-0x000002A493B11000-memory.dmp

    Filesize

    4KB

  • memory/4748-22-0x000002A493B10000-0x000002A493B11000-memory.dmp

    Filesize

    4KB

  • memory/4748-21-0x000002A493B10000-0x000002A493B11000-memory.dmp

    Filesize

    4KB

  • memory/4748-20-0x000002A493B10000-0x000002A493B11000-memory.dmp

    Filesize

    4KB

  • memory/4748-19-0x000002A493B10000-0x000002A493B11000-memory.dmp

    Filesize

    4KB

  • memory/4748-18-0x000002A493B10000-0x000002A493B11000-memory.dmp

    Filesize

    4KB

  • memory/4748-24-0x000002A493B10000-0x000002A493B11000-memory.dmp

    Filesize

    4KB

  • memory/4748-13-0x000002A493B10000-0x000002A493B11000-memory.dmp

    Filesize

    4KB

  • memory/4748-14-0x000002A493B10000-0x000002A493B11000-memory.dmp

    Filesize

    4KB