Analysis

  • max time kernel
    96s
  • max time network
    148s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20240802-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20240802-enlocale:en-usos:windows10-2004-x64system
  • submitted
    05-09-2024 20:46

General

  • Target

    2b25a25533263e914b40e9438348936a.exe

  • Size

    203KB

  • MD5

    2b25a25533263e914b40e9438348936a

  • SHA1

    b9b40f955274aed3658dc3301da40bfec1a6508d

  • SHA256

    c1c2dca754085aff5214da6e196b7973da114eabc1632d077a505504d950acaf

  • SHA512

    3d2e5d5e1cb1c8f7948f9dffe3da2cdffdd1ad185757c7a447ad7f20526c8fee732f64fdfd3066505a1e863792d8d54a8574400a11825cc1569c997046a8ca44

  • SSDEEP

    6144:MLV6Bta6dtJmakIM5x6V2qhLyNPYTbEjH:MLV6BtpmkKM2uL4YTS

Malware Config

Signatures

  • NanoCore

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

  • 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 2 IoCs
  • System Location Discovery: System Language Discovery 1 TTPs 3 IoCs

    Attempt gather information about the system language of a victim in order to infer the geographical location of that host.

  • Scheduled Task/Job: Scheduled Task 1 TTPs 2 IoCs

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

  • Suspicious behavior: EnumeratesProcesses 6 IoCs
  • Suspicious behavior: GetForegroundWindowSpam 1 IoCs
  • Suspicious use of AdjustPrivilegeToken 2 IoCs
  • Suspicious use of WriteProcessMemory 6 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\2b25a25533263e914b40e9438348936a.exe
    "C:\Users\Admin\AppData\Local\Temp\2b25a25533263e914b40e9438348936a.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
    • Suspicious use of WriteProcessMemory
    PID:4788
    • C:\Windows\SysWOW64\schtasks.exe
      "schtasks.exe" /create /f /tn "DPI Service" /xml "C:\Users\Admin\AppData\Local\Temp\tmp87FC.tmp"
      2⤵
      • System Location Discovery: System Language Discovery
      • Scheduled Task/Job: Scheduled Task
      PID:740
    • C:\Windows\SysWOW64\schtasks.exe
      "schtasks.exe" /create /f /tn "DPI Service Task" /xml "C:\Users\Admin\AppData\Local\Temp\tmp885B.tmp"
      2⤵
      • System Location Discovery: System Language Discovery
      • Scheduled Task/Job: Scheduled Task
      PID:1988

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

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Downloads

  • C:\Users\Admin\AppData\Local\Temp\tmp87FC.tmp

    Filesize

    1KB

    MD5

    ab9797e620f60556e1b0ed63dbdced70

    SHA1

    9d320080029babc61bb4a42636a05366732dcd18

    SHA256

    aa71b85bbb8e96e98e4dcb26957a645ebae574234d2905a4a7dd889cb74156ed

    SHA512

    7d8d15e0e068da98661041e9e13e6d018c94174a6d379d0b23f42fa43ae94551fd300a1cdeac7dc4c93cc3e9cd4ca4557d328ca4193a03fdb57ecb43b5b1fa52

  • C:\Users\Admin\AppData\Local\Temp\tmp885B.tmp

    Filesize

    1KB

    MD5

    a9af285136db016a568e4a53208f21d0

    SHA1

    e1afef2b7ee8ae945353315daa19a15574b435b7

    SHA256

    7dce876e35550f4a5b8ce8a8bbab3b0ccd7c5b8660f9db4b832466b77e3a8b7c

    SHA512

    80a1f5e463a87cddc0f66336e2dc4262daf98984c6f6c662c3615d615ebe7c58677c3d694edb3bd7816ccee969aae967c7efe8526ba423f274ac1210c0c8bd6e

  • memory/4788-0-0x0000000074762000-0x0000000074763000-memory.dmp

    Filesize

    4KB

  • memory/4788-1-0x0000000074760000-0x0000000074D11000-memory.dmp

    Filesize

    5.7MB

  • memory/4788-2-0x0000000074760000-0x0000000074D11000-memory.dmp

    Filesize

    5.7MB

  • memory/4788-10-0x0000000074760000-0x0000000074D11000-memory.dmp

    Filesize

    5.7MB

  • memory/4788-14-0x0000000074762000-0x0000000074763000-memory.dmp

    Filesize

    4KB

  • memory/4788-15-0x0000000074760000-0x0000000074D11000-memory.dmp

    Filesize

    5.7MB

  • memory/4788-16-0x0000000074760000-0x0000000074D11000-memory.dmp

    Filesize

    5.7MB

  • memory/4788-17-0x0000000074760000-0x0000000074D11000-memory.dmp

    Filesize

    5.7MB