Analysis

  • max time kernel
    147s
  • max time network
    159s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20250314-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20250314-enlocale:en-usos:windows10-2004-x64system
  • submitted
    22/03/2025, 06:08

General

  • Target

    201b2bf97ddea77b00751cc452d4e9075c96d457f044b15577048454430f0742.exe

  • Size

    115KB

  • MD5

    18b9b2bf0f8001547dd3e3645d4bd744

  • SHA1

    7973dee49840a6586dd94fc3d1503ba07ead70e2

  • SHA256

    201b2bf97ddea77b00751cc452d4e9075c96d457f044b15577048454430f0742

  • SHA512

    5ea7d4ac55231b79c0900fb3d262c55626b2c41be8b0a63a9769797cf8d5b368d6014163dc034516dc8841bb70f6144200f67c3709da108a18f03e86589c3c18

  • SSDEEP

    1536:WWp5eznKUlIOp3YjVCguHEvQEbFqVC3woFRKpT4XEQhuxzuMiat6v:P5eznsjsguGDFqGZ2riv

Malware Config

Extracted

Family

njrat

Version

0.7d

Botnet

neuf

C2

doddyfire.linkpc.net:10000

Mutex

e1a87040f2026369a233f9ae76301b7b

Attributes
  • reg_key

    e1a87040f2026369a233f9ae76301b7b

  • splitter

    |'|'|

Signatures

  • Njrat family
  • njRAT/Bladabindi

    Widely used RAT written in .NET.

  • Modifies Windows Firewall 2 TTPs 1 IoCs
  • Checks computer location settings 2 TTPs 1 IoCs

    Looks up country code configured in the registry, likely geofence.

  • Executes dropped EXE 2 IoCs
  • Adds Run key to start application 2 TTPs 2 IoCs
  • Suspicious use of SetThreadContext 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 4 IoCs

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

  • Suspicious use of AdjustPrivilegeToken 33 IoCs
  • Suspicious use of WriteProcessMemory 14 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\201b2bf97ddea77b00751cc452d4e9075c96d457f044b15577048454430f0742.exe
    "C:\Users\Admin\AppData\Local\Temp\201b2bf97ddea77b00751cc452d4e9075c96d457f044b15577048454430f0742.exe"
    1⤵
    • Checks computer location settings
    • Adds Run key to start application
    • System Location Discovery: System Language Discovery
    • Suspicious use of WriteProcessMemory
    PID:464
    • C:\Users\Admin\AppData\Roaming\confuse\chargeable.exe
      "C:\Users\Admin\AppData\Roaming\confuse\chargeable.exe"
      2⤵
      • Executes dropped EXE
      • Suspicious use of SetThreadContext
      • System Location Discovery: System Language Discovery
      • Suspicious use of WriteProcessMemory
      PID:4784
      • C:\Users\Admin\AppData\Roaming\confuse\chargeable.exe
        C:\Users\Admin\AppData\Roaming\confuse\chargeable.exe
        3⤵
        • Executes dropped EXE
        • System Location Discovery: System Language Discovery
        • Suspicious use of AdjustPrivilegeToken
        • Suspicious use of WriteProcessMemory
        PID:5268
        • C:\Windows\SysWOW64\netsh.exe
          netsh firewall add allowedprogram "C:\Users\Admin\AppData\Roaming\confuse\chargeable.exe" "chargeable.exe" ENABLE
          4⤵
          • Modifies Windows Firewall
          • Event Triggered Execution: Netsh Helper DLL
          • System Location Discovery: System Language Discovery
          PID:4424

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

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Downloads

  • C:\Users\Admin\AppData\Local\Microsoft\CLR_v2.0_32\UsageLogs\chargeable.exe.log

    Filesize

    400B

    MD5

    0a9b4592cd49c3c21f6767c2dabda92f

    SHA1

    f534297527ae5ccc0ecb2221ddeb8e58daeb8b74

    SHA256

    c7effe9cb81a70d738dee863991afefab040290d4c4b78b4202383bcb9f88fcd

    SHA512

    6b878df474e5bbfb8e9e265f15a76560c2ef151dcebc6388c82d7f6f86ffaf83f5ade5a09f1842e493cb6c8fd63b0b88d088c728fd725f7139f965a5ee332307

  • C:\Users\Admin\AppData\Roaming\confuse\chargeable.exe

    Filesize

    115KB

    MD5

    ab2b7388f817049708824d8e84f03748

    SHA1

    e6ce09fb9d2a1c2e8fb38522d2fe5ed58b526cb0

    SHA256

    584182e7e3b1761a7872ec5db8a01d91003fb143cf96c6c5b2b6e2c0a016779d

    SHA512

    9cc142ee30fa5f474cbc9214202e41ae864e2795e3fff771f50d8cb77d0b406b801496c1a51ae2deb102a89bf52ecf916852d16fb3aaacbe02df3cf0ce610c36

  • memory/464-19-0x0000000074F00000-0x00000000754B1000-memory.dmp

    Filesize

    5.7MB

  • memory/464-0-0x0000000074F02000-0x0000000074F03000-memory.dmp

    Filesize

    4KB

  • memory/464-7-0x0000000074F00000-0x00000000754B1000-memory.dmp

    Filesize

    5.7MB

  • memory/464-2-0x0000000074F00000-0x00000000754B1000-memory.dmp

    Filesize

    5.7MB

  • memory/464-1-0x0000000074F00000-0x00000000754B1000-memory.dmp

    Filesize

    5.7MB

  • memory/464-6-0x0000000074F02000-0x0000000074F03000-memory.dmp

    Filesize

    4KB

  • memory/4784-22-0x0000000074F00000-0x00000000754B1000-memory.dmp

    Filesize

    5.7MB

  • memory/4784-21-0x0000000074F00000-0x00000000754B1000-memory.dmp

    Filesize

    5.7MB

  • memory/4784-27-0x0000000074F00000-0x00000000754B1000-memory.dmp

    Filesize

    5.7MB

  • memory/4784-20-0x0000000074F00000-0x00000000754B1000-memory.dmp

    Filesize

    5.7MB

  • memory/5268-29-0x0000000074F00000-0x00000000754B1000-memory.dmp

    Filesize

    5.7MB

  • memory/5268-28-0x0000000074F00000-0x00000000754B1000-memory.dmp

    Filesize

    5.7MB

  • memory/5268-23-0x0000000000400000-0x000000000040C000-memory.dmp

    Filesize

    48KB

  • memory/5268-30-0x0000000074F00000-0x00000000754B1000-memory.dmp

    Filesize

    5.7MB