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Analysis

  • max time kernel
    187s
  • max time network
    94s
  • platform
    windows7_x64
  • resource
    win7-20220812-en
  • resource tags

    arch:x64arch:x86image:win7-20220812-enlocale:en-usos:windows7-x64system
  • submitted
    12/10/2022, 17:31

General

  • Target

    07eeca89a28dfb3215f5902ec1bb615f3c50e14f12ac2f1dedf399bfc46812fa.exe

  • Size

    151KB

  • MD5

    699a4124f54535d6846e4b68b1396520

  • SHA1

    f4da9f0dea2b03485777fa99e72046e8e7e745a3

  • SHA256

    07eeca89a28dfb3215f5902ec1bb615f3c50e14f12ac2f1dedf399bfc46812fa

  • SHA512

    e1755f9b6ce195f594c6a549e25df92aa11303b12eea2882420d80d99b7e4f8959eea062e5977c982e12e066ea72f3fb6eb3ab76a31bdddce90a4ad1e9f7e267

  • SSDEEP

    3072:Y4/Hmc5MCcHGpVSkt+DqE7VIp/afUcCXKiDOHsacb3pjGmFYflwKb8c:YcNL5+CxacuMacrpjGmFYNwS

Malware Config

Extracted

Family

njrat

Version

0.7d

Botnet

jgj

C2

kakam50.no-ip.biz:5552

Mutex

5ef1dd4d005ba321ffd356a3a05a85b2

Attributes
  • reg_key

    5ef1dd4d005ba321ffd356a3a05a85b2

  • splitter

    |'|'|

Signatures

  • njRAT/Bladabindi

    Widely used RAT written in .NET.

  • Executes dropped EXE 1 IoCs
  • Modifies Windows Firewall 1 TTPs 1 IoCs
  • Drops startup file 2 IoCs
  • Adds Run key to start application 2 TTPs 2 IoCs
  • Enumerates physical storage devices 1 TTPs

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

  • Suspicious use of AdjustPrivilegeToken 15 IoCs
  • Suspicious use of WriteProcessMemory 6 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\07eeca89a28dfb3215f5902ec1bb615f3c50e14f12ac2f1dedf399bfc46812fa.exe
    "C:\Users\Admin\AppData\Local\Temp\07eeca89a28dfb3215f5902ec1bb615f3c50e14f12ac2f1dedf399bfc46812fa.exe"
    1⤵
    • Suspicious use of WriteProcessMemory
    PID:1376
    • C:\Users\Admin\AppData\Local\Temp\test.exe
      "C:\Users\Admin\AppData\Local\Temp\test.exe"
      2⤵
      • Executes dropped EXE
      • Drops startup file
      • Adds Run key to start application
      • Suspicious use of AdjustPrivilegeToken
      • Suspicious use of WriteProcessMemory
      PID:1692
      • C:\Windows\system32\netsh.exe
        netsh firewall add allowedprogram "C:\Users\Admin\AppData\Local\Temp\test.exe" "test.exe" ENABLE
        3⤵
        • Modifies Windows Firewall
        PID:1932

Network

MITRE ATT&CK Enterprise v6

Replay Monitor

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Downloads

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

    Filesize

    151KB

    MD5

    699a4124f54535d6846e4b68b1396520

    SHA1

    f4da9f0dea2b03485777fa99e72046e8e7e745a3

    SHA256

    07eeca89a28dfb3215f5902ec1bb615f3c50e14f12ac2f1dedf399bfc46812fa

    SHA512

    e1755f9b6ce195f594c6a549e25df92aa11303b12eea2882420d80d99b7e4f8959eea062e5977c982e12e066ea72f3fb6eb3ab76a31bdddce90a4ad1e9f7e267

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

    Filesize

    151KB

    MD5

    699a4124f54535d6846e4b68b1396520

    SHA1

    f4da9f0dea2b03485777fa99e72046e8e7e745a3

    SHA256

    07eeca89a28dfb3215f5902ec1bb615f3c50e14f12ac2f1dedf399bfc46812fa

    SHA512

    e1755f9b6ce195f594c6a549e25df92aa11303b12eea2882420d80d99b7e4f8959eea062e5977c982e12e066ea72f3fb6eb3ab76a31bdddce90a4ad1e9f7e267

  • memory/1376-54-0x0000000000040000-0x000000000006C000-memory.dmp

    Filesize

    176KB

  • memory/1376-55-0x0000000000200000-0x000000000022C000-memory.dmp

    Filesize

    176KB

  • memory/1376-56-0x00000000004E0000-0x000000000050A000-memory.dmp

    Filesize

    168KB

  • memory/1376-57-0x0000000000520000-0x000000000054A000-memory.dmp

    Filesize

    168KB

  • memory/1376-58-0x0000000000550000-0x0000000000578000-memory.dmp

    Filesize

    160KB

  • memory/1376-60-0x0000000000730000-0x0000000000758000-memory.dmp

    Filesize

    160KB

  • memory/1376-59-0x0000000000580000-0x00000000005A8000-memory.dmp

    Filesize

    160KB

  • memory/1376-61-0x0000000002040000-0x0000000002066000-memory.dmp

    Filesize

    152KB

  • memory/1376-62-0x0000000000230000-0x0000000000256000-memory.dmp

    Filesize

    152KB

  • memory/1376-63-0x0000000000760000-0x0000000000786000-memory.dmp

    Filesize

    152KB

  • memory/1376-66-0x000000001A8B0000-0x000000001A8D2000-memory.dmp

    Filesize

    136KB

  • memory/1376-68-0x000000001A8F0000-0x000000001A912000-memory.dmp

    Filesize

    136KB

  • memory/1376-69-0x000000001A910000-0x000000001A930000-memory.dmp

    Filesize

    128KB

  • memory/1376-72-0x000000001B020000-0x000000001B03E000-memory.dmp

    Filesize

    120KB

  • memory/1376-71-0x000000001B000000-0x000000001B01E000-memory.dmp

    Filesize

    120KB

  • memory/1376-73-0x000000001B0D0000-0x000000001B0EE000-memory.dmp

    Filesize

    120KB

  • memory/1376-76-0x000000001B130000-0x000000001B14C000-memory.dmp

    Filesize

    112KB

  • memory/1376-75-0x000000001B110000-0x000000001B12C000-memory.dmp

    Filesize

    112KB

  • memory/1376-74-0x000000001B0F0000-0x000000001B10C000-memory.dmp

    Filesize

    112KB

  • memory/1376-82-0x000000001B1F0000-0x000000001B206000-memory.dmp

    Filesize

    88KB

  • memory/1376-89-0x000000001B230000-0x000000001B242000-memory.dmp

    Filesize

    72KB

  • memory/1376-92-0x000000001B260000-0x000000001B270000-memory.dmp

    Filesize

    64KB

  • memory/1376-91-0x000000001B250000-0x000000001B260000-memory.dmp

    Filesize

    64KB

  • memory/1376-97-0x000000001B2B0000-0x000000001B2BC000-memory.dmp

    Filesize

    48KB

  • memory/1376-98-0x000000001B2C0000-0x000000001B2CA000-memory.dmp

    Filesize

    40KB

  • memory/1376-99-0x000000001B2D0000-0x000000001B2DC000-memory.dmp

    Filesize

    48KB

  • memory/1376-96-0x000000001B2A0000-0x000000001B2AC000-memory.dmp

    Filesize

    48KB

  • memory/1376-95-0x000000001B290000-0x000000001B29C000-memory.dmp

    Filesize

    48KB

  • memory/1376-94-0x000000001B280000-0x000000001B28E000-memory.dmp

    Filesize

    56KB

  • memory/1376-93-0x000000001B270000-0x000000001B27E000-memory.dmp

    Filesize

    56KB

  • memory/1376-90-0x000000001B240000-0x000000001B250000-memory.dmp

    Filesize

    64KB

  • memory/1376-88-0x000000001B220000-0x000000001B232000-memory.dmp

    Filesize

    72KB

  • memory/1376-87-0x000000001B210000-0x000000001B222000-memory.dmp

    Filesize

    72KB

  • memory/1376-86-0x000000001B040000-0x000000001B054000-memory.dmp

    Filesize

    80KB

  • memory/1376-85-0x0000000002100000-0x0000000002114000-memory.dmp

    Filesize

    80KB

  • memory/1376-84-0x0000000002070000-0x0000000002086000-memory.dmp

    Filesize

    88KB

  • memory/1376-83-0x0000000000450000-0x0000000000466000-memory.dmp

    Filesize

    88KB

  • memory/1376-81-0x000000001B1D0000-0x000000001B1E8000-memory.dmp

    Filesize

    96KB

  • memory/1376-80-0x000000001B1B0000-0x000000001B1C8000-memory.dmp

    Filesize

    96KB

  • memory/1376-79-0x000000001B190000-0x000000001B1A8000-memory.dmp

    Filesize

    96KB

  • memory/1376-78-0x000000001B170000-0x000000001B18A000-memory.dmp

    Filesize

    104KB

  • memory/1376-77-0x000000001B150000-0x000000001B16A000-memory.dmp

    Filesize

    104KB

  • memory/1376-70-0x000000001A930000-0x000000001A950000-memory.dmp

    Filesize

    128KB

  • memory/1376-67-0x000000001A8D0000-0x000000001A8F2000-memory.dmp

    Filesize

    136KB

  • memory/1376-65-0x000000001A790000-0x000000001A7B4000-memory.dmp

    Filesize

    144KB

  • memory/1376-64-0x000000001A770000-0x000000001A794000-memory.dmp

    Filesize

    144KB

  • memory/1692-103-0x0000000001130000-0x000000000115C000-memory.dmp

    Filesize

    176KB

  • memory/1692-104-0x00000000002E0000-0x0000000000306000-memory.dmp

    Filesize

    152KB

  • memory/1692-105-0x00000000003D0000-0x00000000003F6000-memory.dmp

    Filesize

    152KB

  • memory/1692-106-0x0000000000310000-0x0000000000326000-memory.dmp

    Filesize

    88KB

  • memory/1692-107-0x0000000000A20000-0x0000000000A36000-memory.dmp

    Filesize

    88KB

  • memory/1692-108-0x0000000001120000-0x0000000001134000-memory.dmp

    Filesize

    80KB

  • memory/1692-109-0x000000001AC60000-0x000000001AC72000-memory.dmp

    Filesize

    72KB

  • memory/1932-111-0x000007FEFC1B1000-0x000007FEFC1B3000-memory.dmp

    Filesize

    8KB