Overview

overview

10

Static

static

10

28f8ffd78f...3N.exe

windows7-x64

10

28f8ffd78f...3N.exe

windows10-2004-x64

7

Analysis

  • max time kernel
    102s
  • max time network
    17s
  • platform
    windows7_x64
  • resource
    win7-20240729-en
  • resource tags

    arch:x64arch:x86image:win7-20240729-enlocale:en-usos:windows7-x64system
  • submitted
    05-11-2024 00:10

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General

  • Target

    28f8ffd78f7b6931dc0995a4c4fa08c5d4c97755d7193c56c6e22519253427a3N.exe

  • Size

    65KB

  • MD5

    bf27a2b1c3a091d14d52d660baa90f40

  • SHA1

    45ff2043a8124b5b7c7f41f2493b501b2be720f8

  • SHA256

    28f8ffd78f7b6931dc0995a4c4fa08c5d4c97755d7193c56c6e22519253427a3

  • SHA512

    bfeefe304051b148083a0baa9a67d15e10948292e36ce746c98f1ccf4bd15ca1e7520e09aa75d6b89788473208625e183a47a69a51745db0f139330a1ab2594a

  • SSDEEP

    1536:hcEIhoN36t+QviFw1CcWSUVOBnvb9fLteF3nLrB9z3ncaF9bSS9vMp:hcEIhoN36t+QviFCCl8BnJfWl9zsaF9Y

Score
10/10
njrathackeddiscoverytrojan

Malware Config

Extracted

Family

njrat

Version

Platinum

Botnet

HacKed

C2

127.0.0.1:40570

Mutex

MicrosoftBrake

Attributes
  • reg_key

    MicrosoftBrake

  • splitter

    |Ghost|

Signatures

  • Njrat family
    njrat
  • njRAT/Bladabindi

    Widely used RAT written in .NET.

    trojannjrat
  • Deletes itself 1 IoCs
  • Drops file in Windows directory 1 IoCs
  • Enumerates physical storage devices 1 TTPs

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

  • System Location Discovery: System Language Discovery 1 TTPs 5 IoCs

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

    discovery
  • Modifies registry class 7 IoCs
  • Suspicious behavior: EnumeratesProcesses 64 IoCs
  • Suspicious behavior: GetForegroundWindowSpam 1 IoCs
  • Suspicious use of AdjustPrivilegeToken 1 IoCs
  • Suspicious use of SetWindowsHookEx 2 IoCs
  • Suspicious use of WriteProcessMemory 19 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\28f8ffd78f7b6931dc0995a4c4fa08c5d4c97755d7193c56c6e22519253427a3N.exe
    "C:\Users\Admin\AppData\Local\Temp\28f8ffd78f7b6931dc0995a4c4fa08c5d4c97755d7193c56c6e22519253427a3N.exe"
    1⤵
    • Drops file in Windows directory
    • System Location Discovery: System Language Discovery
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of WriteProcessMemory
    PID:2548
    • C:\Windows\SysWOW64\rundll32.exe
      "C:\Windows\system32\rundll32.exe" C:\Windows\system32\shell32.dll,OpenAs_RunDLL C:\Windows\MicrosoftBrake
      2⤵
      • System Location Discovery: System Language Discovery
      • Modifies registry class
      • Suspicious use of WriteProcessMemory
      PID:2732
      • C:\Program Files (x86)\Adobe\Reader 9.0\Reader\AcroRd32.exe
        "C:\Program Files (x86)\Adobe\Reader 9.0\Reader\AcroRd32.exe" "C:\Windows\MicrosoftBrake"
        3⤵
        • System Location Discovery: System Language Discovery
        • Suspicious behavior: GetForegroundWindowSpam
        • Suspicious use of SetWindowsHookEx
        PID:2948
    • C:\Windows\SysWOW64\cmd.exe
      "C:\Windows\System32\cmd.exe" /C choice /C Y /N /D Y /T 5 & Del "C:\Users\Admin\AppData\Local\Temp\28f8ffd78f7b6931dc0995a4c4fa08c5d4c97755d7193c56c6e22519253427a3N.exe"
      2⤵
      • Deletes itself
      • System Location Discovery: System Language Discovery
      • Suspicious use of WriteProcessMemory
      PID:1388
      • C:\Windows\SysWOW64\choice.exe
        choice /C Y /N /D Y /T 5
        3⤵
        • System Location Discovery: System Language Discovery
        PID:2848

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

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Downloads

  • C:\Users\Admin\AppData\Roaming\Adobe\Acrobat\9.0\SharedDataEvents
    Filesize

    3KB

    MD5

    db77ded32b4fa8930c8ce69be7cce3d5

    SHA1

    d0a916c3a71ed53f55e1ab49156de065bc81f578

    SHA256

    e9df026a4a97173071be83cbbb5eede21e886dffffdf677cfe265ef8a00c996d

    SHA512

    98698de8501543cebd4ffd58c44d24cd49ffbed6380f7ac26f21415f9086c301aaaa659162990b93e61112a21716ffa686f9585ce8a8d00c55a6ae20ccfab999

    Download Submit

  • C:\Windows\MicrosoftBrake
    Filesize

    65KB

    MD5

    bf27a2b1c3a091d14d52d660baa90f40

    SHA1

    45ff2043a8124b5b7c7f41f2493b501b2be720f8

    SHA256

    28f8ffd78f7b6931dc0995a4c4fa08c5d4c97755d7193c56c6e22519253427a3

    SHA512

    bfeefe304051b148083a0baa9a67d15e10948292e36ce746c98f1ccf4bd15ca1e7520e09aa75d6b89788473208625e183a47a69a51745db0f139330a1ab2594a

    Download Submit

  • memory/2548-0-0x0000000073D81000-0x0000000073D82000-memory.dmp

    Filesize

    4KB

    Download

  • memory/2548-1-0x0000000073D80000-0x000000007432B000-memory.dmp

    Filesize

    5.7MB

    Download

  • memory/2548-2-0x0000000073D80000-0x000000007432B000-memory.dmp

    Filesize

    5.7MB

    Download

  • memory/2548-5-0x0000000073D80000-0x000000007432B000-memory.dmp

    Filesize

    5.7MB

    Download