Analysis

  • max time kernel
    148s
  • max time network
    149s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20241007-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-x64system
  • submitted
    30-12-2024 23:52

General

  • Target

    78e6a0d0537757c30532038b24f387609ac55d3d36dbf5e3da5f15d5e2a9526d.exe

  • Size

    114KB

  • MD5

    af7ea3b57fd952e696e71fae02e6c00a

  • SHA1

    9199f1090c12f7f020f4f45939235c92c68eb94b

  • SHA256

    78e6a0d0537757c30532038b24f387609ac55d3d36dbf5e3da5f15d5e2a9526d

  • SHA512

    f1d7c1b2d2b261d76c758d63f1be7af7fe8a94e22e43110bdcefc913fb8d11503963174b622db63bc9cc0de754f4b4b164f2320caab6cff76d3e046f7b2e4a34

  • SSDEEP

    1536:orp5eznKUlIOp3YjVCguHEvQEbFqVC3woFRKpT4xtKegoxmOBh73Rmu:w5eznsjsguGDFqGx8egoxmO3rRmu

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\78e6a0d0537757c30532038b24f387609ac55d3d36dbf5e3da5f15d5e2a9526d.exe
    "C:\Users\Admin\AppData\Local\Temp\78e6a0d0537757c30532038b24f387609ac55d3d36dbf5e3da5f15d5e2a9526d.exe"
    1⤵
    • Checks computer location settings
    • Adds Run key to start application
    • System Location Discovery: System Language Discovery
    • Suspicious use of WriteProcessMemory
    PID:1336
    • 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:4540
      • 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:2016
        • 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:3972

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

    114KB

    MD5

    c74c18682a273f4b9a0c62653ce23bc6

    SHA1

    436eb5b0485f44c9016f4ccd99c49826b9f859e3

    SHA256

    3102c30ceb0cea588d0db32b6273a7c5ca75ac6130db67396b8980473b3b189d

    SHA512

    28b9f0918b613f900f4eaf072110145ba98eb5a7dbaa6511fac22f29dc13e5692766085a271f3cab7d1fcef6c3c636481b15eac0dba364c6fb1af4e57519973f

  • memory/1336-7-0x0000000074D80000-0x0000000075331000-memory.dmp

    Filesize

    5.7MB

  • memory/1336-1-0x0000000074D80000-0x0000000075331000-memory.dmp

    Filesize

    5.7MB

  • memory/1336-0-0x0000000074D82000-0x0000000074D83000-memory.dmp

    Filesize

    4KB

  • memory/1336-2-0x0000000074D80000-0x0000000075331000-memory.dmp

    Filesize

    5.7MB

  • memory/1336-19-0x0000000074D80000-0x0000000075331000-memory.dmp

    Filesize

    5.7MB

  • memory/1336-20-0x0000000074D80000-0x0000000075331000-memory.dmp

    Filesize

    5.7MB

  • memory/1336-6-0x0000000074D82000-0x0000000074D83000-memory.dmp

    Filesize

    4KB

  • memory/2016-24-0x0000000000400000-0x000000000040C000-memory.dmp

    Filesize

    48KB

  • memory/2016-29-0x0000000074D80000-0x0000000075331000-memory.dmp

    Filesize

    5.7MB

  • memory/2016-30-0x0000000074D80000-0x0000000075331000-memory.dmp

    Filesize

    5.7MB

  • memory/2016-31-0x0000000074D80000-0x0000000075331000-memory.dmp

    Filesize

    5.7MB

  • memory/4540-21-0x0000000074D80000-0x0000000075331000-memory.dmp

    Filesize

    5.7MB

  • memory/4540-23-0x0000000074D80000-0x0000000075331000-memory.dmp

    Filesize

    5.7MB

  • memory/4540-22-0x0000000074D80000-0x0000000075331000-memory.dmp

    Filesize

    5.7MB

  • memory/4540-28-0x0000000074D80000-0x0000000075331000-memory.dmp

    Filesize

    5.7MB