Analysis

  • max time kernel
    117s
  • max time network
    119s
  • platform
    windows7_x64
  • resource
    win7-20240903-en
  • resource tags

    arch:x64arch:x86image:win7-20240903-enlocale:en-usos:windows7-x64system
  • submitted
    24-11-2024 03:30

General

  • Target

    ba061d0daea0f5a226bb6d9b29d7a20245a7f88d939b67496f333056577a15dc.exe

  • Size

    103KB

  • MD5

    1f4de87fcf4efff331d265cf1fc34a11

  • SHA1

    a8ac921aa829d9216258259c1fe9db4f442345b9

  • SHA256

    ba061d0daea0f5a226bb6d9b29d7a20245a7f88d939b67496f333056577a15dc

  • SHA512

    b6cdaa5fba1dcd71b7135051865f3c428753b98ba44afa229d8fa8015a8b961205fafb10214d71c9e55c32ccdea3a38af1c10ec002665ffb472bf9c95b7e9ab2

  • SSDEEP

    1536:zu9ckBKj047HNs17gJEnRrRdy8KYmLQNojh+qoeWyHUiswADVXss25qB3bxVRsNB:2ckBKVmpBL9ms6A6TjBgPXrsb

Malware Config

Extracted

Family

njrat

Version

0.6.4

Botnet

HacKed

C2

oxy01.linkpc.net:1177

Mutex

08f4dc96bbb7af09d1a37fe35c75a42f

Attributes
  • reg_key

    08f4dc96bbb7af09d1a37fe35c75a42f

  • splitter

    |'|'|

Signatures

  • Njrat family
  • njRAT/Bladabindi

    Widely used RAT written in .NET.

  • Modifies Windows Firewall 2 TTPs 1 IoCs
  • 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).

  • Event Triggered Execution: Netsh Helper DLL 1 TTPs 3 IoCs

    Netsh.exe (also referred to as Netshell) is a command-line scripting utility used to interact with the network configuration of a system.

  • 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.

  • Suspicious behavior: EnumeratesProcesses 19 IoCs
  • Suspicious use of AdjustPrivilegeToken 1 IoCs
  • Suspicious use of WriteProcessMemory 8 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\ba061d0daea0f5a226bb6d9b29d7a20245a7f88d939b67496f333056577a15dc.exe
    "C:\Users\Admin\AppData\Local\Temp\ba061d0daea0f5a226bb6d9b29d7a20245a7f88d939b67496f333056577a15dc.exe"
    1⤵
    • Loads dropped DLL
    • System Location Discovery: System Language Discovery
    • Suspicious use of WriteProcessMemory
    PID:2672
    • C:\Users\Admin\AppData\Local\Temp\explorer.exe
      "C:\Users\Admin\AppData\Local\Temp\explorer.exe"
      2⤵
      • Executes dropped EXE
      • System Location Discovery: System Language Discovery
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      • Suspicious use of WriteProcessMemory
      PID:1436
      • C:\Windows\SysWOW64\netsh.exe
        netsh firewall add allowedprogram "C:\Users\Admin\AppData\Local\Temp\explorer.exe" "explorer.exe" ENABLE
        3⤵
        • Modifies Windows Firewall
        • Event Triggered Execution: Netsh Helper DLL
        • System Location Discovery: System Language Discovery
        PID:3004

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

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Downloads

  • C:\Users\Admin\AppData\Local\Temp\explorer.exe

    Filesize

    103KB

    MD5

    1f4de87fcf4efff331d265cf1fc34a11

    SHA1

    a8ac921aa829d9216258259c1fe9db4f442345b9

    SHA256

    ba061d0daea0f5a226bb6d9b29d7a20245a7f88d939b67496f333056577a15dc

    SHA512

    b6cdaa5fba1dcd71b7135051865f3c428753b98ba44afa229d8fa8015a8b961205fafb10214d71c9e55c32ccdea3a38af1c10ec002665ffb472bf9c95b7e9ab2

  • memory/1436-12-0x00000000740B0000-0x000000007479E000-memory.dmp

    Filesize

    6.9MB

  • memory/1436-13-0x0000000000840000-0x0000000000860000-memory.dmp

    Filesize

    128KB

  • memory/1436-14-0x00000000740B0000-0x000000007479E000-memory.dmp

    Filesize

    6.9MB

  • memory/1436-15-0x00000000740B0000-0x000000007479E000-memory.dmp

    Filesize

    6.9MB

  • memory/1436-16-0x00000000740B0000-0x000000007479E000-memory.dmp

    Filesize

    6.9MB

  • memory/2672-0-0x00000000740BE000-0x00000000740BF000-memory.dmp

    Filesize

    4KB

  • memory/2672-1-0x00000000001D0000-0x00000000001F0000-memory.dmp

    Filesize

    128KB

  • memory/2672-2-0x0000000000310000-0x000000000031E000-memory.dmp

    Filesize

    56KB

  • memory/2672-4-0x00000000740B0000-0x000000007479E000-memory.dmp

    Filesize

    6.9MB

  • memory/2672-11-0x00000000740B0000-0x000000007479E000-memory.dmp

    Filesize

    6.9MB