Overview

overview

10

Static

static

10

JC_89027c9...c9.exe

windows7-x64

10

JC_89027c9...c9.exe

windows10-2004-x64

10

Analysis

  • max time kernel
    150s
  • max time network
    128s
  • platform
    windows7_x64
  • resource
    win7-20230831-en
  • resource tags

    arch:x64arch:x86image:win7-20230831-enlocale:en-usos:windows7-x64system
  • submitted
    01/09/2023, 19:22

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General

  • Target

    JC_89027c9c505ea145c8574c02726ccecaf5cd41ec73d05dfc86809d059b4234c9.exe

  • Size

    37KB

  • MD5

    d98745233b322553e2262ed6483e3528

  • SHA1

    a39915af650261eee726721c20ff84b98d4be365

  • SHA256

    89027c9c505ea145c8574c02726ccecaf5cd41ec73d05dfc86809d059b4234c9

  • SHA512

    19cde1c3cc346d004589b1d1c673d87ad0e817e58d8bbf01e426abb85241b87f8899b5e7c02fbd4bf62e2fff5275bf8d57201d560cd9f88e87027b5289bbb0f3

  • SSDEEP

    384:ZnL+Yw7BeAaXaEiVZzdmB0O4yUvPQxgp+Z2fPnYL/6qUtirAF+rMRTyN/0L+Ecor:l6Yw7bPOTUvPfI3U8rM+rMRa8NuBMt

Score
10/10
njrathackedevasionpersistencetrojan

Malware Config

Extracted

Family

njrat

Version

im523

Botnet

HacKed

C2

ctl-plg-ap-8.nsa.gov:443

Mutex

b2e30700dde72c163e3f2a5afaf275a9

Attributes
  • reg_key

    b2e30700dde72c163e3f2a5afaf275a9

  • splitter

    |'|'|

Signatures

  • njRAT/Bladabindi

    Widely used RAT written in .NET.

    trojannjrat
  • Modifies Windows Firewall 1 TTPs 1 IoCs
    evasion
  • Executes dropped EXE 1 IoCs
  • Loads dropped DLL 1 IoCs
  • Adds Run key to start application 2 TTPs 2 IoCs
    persistence
  • Enumerates physical storage devices 1 TTPs

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

  • Suspicious behavior: EnumeratesProcesses 64 IoCs
  • Suspicious behavior: GetForegroundWindowSpam 1 IoCs
  • Suspicious use of AdjustPrivilegeToken 35 IoCs
  • Suspicious use of WriteProcessMemory 8 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\JC_89027c9c505ea145c8574c02726ccecaf5cd41ec73d05dfc86809d059b4234c9.exe
    "C:\Users\Admin\AppData\Local\Temp\JC_89027c9c505ea145c8574c02726ccecaf5cd41ec73d05dfc86809d059b4234c9.exe"
    1⤵
    • Loads dropped DLL
    • Suspicious use of WriteProcessMemory
    PID:1648
    • C:\Users\Admin\AppData\Local\Temp\svchost.exe
      "C:\Users\Admin\AppData\Local\Temp\svchost.exe"
      2⤵
      • Executes dropped EXE
      • Adds Run key to start application
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious behavior: GetForegroundWindowSpam
      • Suspicious use of AdjustPrivilegeToken
      • Suspicious use of WriteProcessMemory
      PID:2176
      • C:\Windows\SysWOW64\netsh.exe
        netsh firewall add allowedprogram "C:\Users\Admin\AppData\Local\Temp\svchost.exe" "svchost.exe" ENABLE
        3⤵
        • Modifies Windows Firewall
        PID:2060

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

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Downloads

  • C:\Users\Admin\AppData\Local\Temp\svchost.exe
    Filesize

    37KB

    MD5

    d98745233b322553e2262ed6483e3528

    SHA1

    a39915af650261eee726721c20ff84b98d4be365

    SHA256

    89027c9c505ea145c8574c02726ccecaf5cd41ec73d05dfc86809d059b4234c9

    SHA512

    19cde1c3cc346d004589b1d1c673d87ad0e817e58d8bbf01e426abb85241b87f8899b5e7c02fbd4bf62e2fff5275bf8d57201d560cd9f88e87027b5289bbb0f3

    Download Submit

  • C:\Users\Admin\AppData\Local\Temp\svchost.exe
    Filesize

    37KB

    MD5

    d98745233b322553e2262ed6483e3528

    SHA1

    a39915af650261eee726721c20ff84b98d4be365

    SHA256

    89027c9c505ea145c8574c02726ccecaf5cd41ec73d05dfc86809d059b4234c9

    SHA512

    19cde1c3cc346d004589b1d1c673d87ad0e817e58d8bbf01e426abb85241b87f8899b5e7c02fbd4bf62e2fff5275bf8d57201d560cd9f88e87027b5289bbb0f3

    Download Submit

  • \Users\Admin\AppData\Local\Temp\svchost.exe
    Filesize

    37KB

    MD5

    d98745233b322553e2262ed6483e3528

    SHA1

    a39915af650261eee726721c20ff84b98d4be365

    SHA256

    89027c9c505ea145c8574c02726ccecaf5cd41ec73d05dfc86809d059b4234c9

    SHA512

    19cde1c3cc346d004589b1d1c673d87ad0e817e58d8bbf01e426abb85241b87f8899b5e7c02fbd4bf62e2fff5275bf8d57201d560cd9f88e87027b5289bbb0f3

    Download Submit

  • memory/1648-0-0x00000000748C0000-0x0000000074E6B000-memory.dmp

    Filesize

    5.7MB

    Download

  • memory/1648-1-0x00000000748C0000-0x0000000074E6B000-memory.dmp

    Filesize

    5.7MB

    Download

  • memory/1648-2-0x0000000000210000-0x0000000000250000-memory.dmp

    Filesize

    256KB

    Download

  • memory/1648-11-0x00000000748C0000-0x0000000074E6B000-memory.dmp

    Filesize

    5.7MB

    Download

  • memory/1648-10-0x00000000748C0000-0x0000000074E6B000-memory.dmp

    Filesize

    5.7MB

    Download

  • memory/2176-12-0x00000000748C0000-0x0000000074E6B000-memory.dmp

    Filesize

    5.7MB

    Download

  • memory/2176-13-0x00000000748C0000-0x0000000074E6B000-memory.dmp

    Filesize

    5.7MB

    Download