Overview

overview

10

Static

static

7f806c97ab...88.exe

windows7_x64

10

7f806c97ab...88.exe

windows10-2004_x64

10

Analysis

  • max time kernel
    151s
  • max time network
    151s
  • platform
    windows7_x64
  • resource
    win7-en-20211208
  • submitted
    14-01-2022 16:17

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General

  • Target

    7f806c97ab68106ea238c1e5bc906388.exe

  • Size

    8KB

  • MD5

    7f806c97ab68106ea238c1e5bc906388

  • SHA1

    571e34bda90b0194f6c7bc353e5c0c56a7143d38

  • SHA256

    b757bd1c8c93b75204ca653d5b602e98f1b3a174a1657f185dd4794fda4a2866

  • SHA512

    e1b998d4b1f3786d711bf647615787082fd907ca1c50c9731cb2eea843da85b33cc04ec1bf60b22693ced7acc392dd5c09f496b1cfcab3e2ed50c85a290d13c9

Score
10/10
njratfuriosevasionpersistencetrojan

Malware Config

Extracted

Family

njrat

Version

im523

Botnet

Furios

C2

gghosting221.ddns.net:6202

Mutex

5f458dd5f03f50e31781ca69de125d55

Attributes
  • reg_key

    5f458dd5f03f50e31781ca69de125d55

  • splitter

    |'|'|

Signatures

  • njRAT/Bladabindi

    Widely used RAT written in .NET.

    trojannjrat
  • Downloads MZ/PE file
  • Executes dropped EXE 1 IoCs
  • Modifies Windows Firewall 1 TTPs
    evasion
  • Drops startup file 2 IoCs
  • Loads dropped DLL 1 IoCs
  • Adds Run key to start application 2 TTPs 3 IoCs
    persistence
  • Drops autorun.inf file 1 TTPs

    Malware can abuse Windows Autorun to spread further via attached volumes.

  • Enumerates physical storage devices 1 TTPs

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

  • Kills process with taskkill 1 IoCs
    evasion
  • Modifies system certificate store 2 TTPs 2 IoCs
    evasionspywaretrojan
  • Suspicious behavior: EnumeratesProcesses 64 IoCs
  • Suspicious behavior: GetForegroundWindowSpam 1 IoCs
  • Suspicious use of AdjustPrivilegeToken 35 IoCs
  • Suspicious use of WriteProcessMemory 12 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\7f806c97ab68106ea238c1e5bc906388.exe
    "C:\Users\Admin\AppData\Local\Temp\7f806c97ab68106ea238c1e5bc906388.exe"
    1⤵
    • Loads dropped DLL
    • Adds Run key to start application
    • Modifies system certificate store
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of WriteProcessMemory
    PID:1628
    • C:\Users\Admin\AppData\Local\Temp\WindowsUser.exe
      "C:\Users\Admin\AppData\Local\Temp\WindowsUser.exe"
      2⤵
      • Executes dropped EXE
      • Drops startup file
      • Adds Run key to start application
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious behavior: GetForegroundWindowSpam
      • Suspicious use of AdjustPrivilegeToken
      • Suspicious use of WriteProcessMemory
      PID:1640
      • C:\Windows\SysWOW64\netsh.exe
        netsh firewall add allowedprogram "C:\Users\Admin\AppData\Local\Temp\WindowsUser.exe" "WindowsUser.exe" ENABLE
        3⤵
          PID:1972
        • C:\Windows\SysWOW64\taskkill.exe
          taskkill /F /IM Exsample.exe
          3⤵
          • Kills process with taskkill
          • Suspicious use of AdjustPrivilegeToken
          PID:1816

    Network

    MITRE ATT&CK Enterprise v6

    Replay Monitor

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    Downloads

    • C:\Users\Admin\AppData\Local\Temp\WindowsUser.exe
      MD5

      e56578ff67914010aa9f663876b66c4a

      SHA1

      802b5d9f5be9fb8213b97567ebc1910e85ddd20f

      SHA256

      fc89c98b5be515bcbd365c74a9f4026d2d8dce04f9bc6255cc327b971c0bd407

      SHA512

      756b0fdfca550346207ddd292f6fa57d4db2e0207850dd9651edc341e716f80102ff6e8bdcf8fc000ce8535a1439c529b57d26313b58ad8613d99a978c17caf3

      Download Submit

    • C:\Users\Admin\AppData\Local\Temp\WindowsUser.exe
      MD5

      e56578ff67914010aa9f663876b66c4a

      SHA1

      802b5d9f5be9fb8213b97567ebc1910e85ddd20f

      SHA256

      fc89c98b5be515bcbd365c74a9f4026d2d8dce04f9bc6255cc327b971c0bd407

      SHA512

      756b0fdfca550346207ddd292f6fa57d4db2e0207850dd9651edc341e716f80102ff6e8bdcf8fc000ce8535a1439c529b57d26313b58ad8613d99a978c17caf3

      Download Submit

    • \Users\Admin\AppData\Local\Temp\WindowsUser.exe
      MD5

      e56578ff67914010aa9f663876b66c4a

      SHA1

      802b5d9f5be9fb8213b97567ebc1910e85ddd20f

      SHA256

      fc89c98b5be515bcbd365c74a9f4026d2d8dce04f9bc6255cc327b971c0bd407

      SHA512

      756b0fdfca550346207ddd292f6fa57d4db2e0207850dd9651edc341e716f80102ff6e8bdcf8fc000ce8535a1439c529b57d26313b58ad8613d99a978c17caf3

      Download Submit

    • memory/1628-54-0x0000000000160000-0x0000000000168000-memory.dmp

      Filesize

      32KB

      Download

    • memory/1628-55-0x0000000000160000-0x0000000000168000-memory.dmp

      Filesize

      32KB

      Download

    • memory/1628-56-0x0000000004510000-0x0000000004511000-memory.dmp

      Filesize

      4KB

      Download

    • memory/1640-58-0x0000000000000000-mapping.dmp

      Download

    • memory/1640-61-0x0000000075801000-0x0000000075803000-memory.dmp

      Filesize

      8KB

      Download

    • memory/1640-62-0x00000000001A0000-0x00000000001A1000-memory.dmp

      Filesize

      4KB

      Download

    • memory/1816-64-0x0000000000000000-mapping.dmp

      Download

    • memory/1972-63-0x0000000000000000-mapping.dmp

      Download