Analysis

  • max time kernel
    150s
  • max time network
    155s
  • platform
    windows7_x64
  • resource
    win7-20240903-en
  • resource tags

    arch:x64arch:x86image:win7-20240903-enlocale:en-usos:windows7-x64system
  • submitted
    27-09-2024 17:59

General

  • Target

    845f3f7d59365c2cc41ef827fa7c9e146f7746dc0720937c7bd29049e42d81f2.exe

  • Size

    29KB

  • MD5

    9388181bd14e2086ad83ee8cec7cfcac

  • SHA1

    1b66360166697a6befb8b5838e85e7a579aa866e

  • SHA256

    845f3f7d59365c2cc41ef827fa7c9e146f7746dc0720937c7bd29049e42d81f2

  • SHA512

    c9288bd4c8cfde3755a2470220520da4811542787c2c816736e7510cb8e3d078f651f994ce5fa8070de99b1f86ad9ef8f994c79b5681b9927d08bb510735f434

  • SSDEEP

    384:vaFCtl7Dh+oqIqEXV5HEQTGumqDgN3eH6GBsbh0w4wlAokw9OhgOL1vYRGOZz7+P:B74oqIjlLTAqM3eFBKh0p29SgRjQt

Malware Config

Extracted

Family

njrat

Version

0.6.4

Botnet

YourPhone

C2

157.245.220.192:1177

Mutex

bec01544ef6b0bb361f68d796213ad70

Attributes
  • reg_key

    bec01544ef6b0bb361f68d796213ad70

  • splitter

    |'|'|

Signatures

  • njRAT/Bladabindi

    Widely used RAT written in .NET.

  • Modifies Windows Firewall 2 TTPs 1 IoCs
  • Executes dropped EXE 1 IoCs
  • Loads dropped DLL 1 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).

  • 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 3 IoCs

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

  • Suspicious behavior: EnumeratesProcesses 38 IoCs
  • Suspicious use of AdjustPrivilegeToken 1 IoCs
  • Suspicious use of WriteProcessMemory 8 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\845f3f7d59365c2cc41ef827fa7c9e146f7746dc0720937c7bd29049e42d81f2.exe
    "C:\Users\Admin\AppData\Local\Temp\845f3f7d59365c2cc41ef827fa7c9e146f7746dc0720937c7bd29049e42d81f2.exe"
    1⤵
    • Loads dropped DLL
    • System Location Discovery: System Language Discovery
    • Suspicious use of WriteProcessMemory
    PID:2276
    • C:\Users\Admin\AppData\Roaming\YourPhone.exe
      "C:\Users\Admin\AppData\Roaming\YourPhone.exe"
      2⤵
      • Executes dropped EXE
      • Adds Run key to start application
      • System Location Discovery: System Language Discovery
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      • Suspicious use of WriteProcessMemory
      PID:2240
      • C:\Windows\SysWOW64\netsh.exe
        netsh firewall add allowedprogram "C:\Users\Admin\AppData\Roaming\YourPhone.exe" "YourPhone.exe" ENABLE
        3⤵
        • Modifies Windows Firewall
        • Event Triggered Execution: Netsh Helper DLL
        • System Location Discovery: System Language Discovery
        PID:2768

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

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Downloads

  • \Users\Admin\AppData\Roaming\YourPhone.exe

    Filesize

    29KB

    MD5

    9388181bd14e2086ad83ee8cec7cfcac

    SHA1

    1b66360166697a6befb8b5838e85e7a579aa866e

    SHA256

    845f3f7d59365c2cc41ef827fa7c9e146f7746dc0720937c7bd29049e42d81f2

    SHA512

    c9288bd4c8cfde3755a2470220520da4811542787c2c816736e7510cb8e3d078f651f994ce5fa8070de99b1f86ad9ef8f994c79b5681b9927d08bb510735f434

  • memory/2240-11-0x0000000073D40000-0x00000000742EB000-memory.dmp

    Filesize

    5.7MB

  • memory/2240-12-0x0000000073D40000-0x00000000742EB000-memory.dmp

    Filesize

    5.7MB

  • memory/2240-13-0x0000000073D40000-0x00000000742EB000-memory.dmp

    Filesize

    5.7MB

  • memory/2240-14-0x0000000073D40000-0x00000000742EB000-memory.dmp

    Filesize

    5.7MB

  • memory/2240-15-0x0000000073D40000-0x00000000742EB000-memory.dmp

    Filesize

    5.7MB

  • memory/2276-0-0x0000000073D41000-0x0000000073D42000-memory.dmp

    Filesize

    4KB

  • memory/2276-1-0x0000000073D40000-0x00000000742EB000-memory.dmp

    Filesize

    5.7MB

  • memory/2276-2-0x0000000073D40000-0x00000000742EB000-memory.dmp

    Filesize

    5.7MB

  • memory/2276-10-0x0000000073D40000-0x00000000742EB000-memory.dmp

    Filesize

    5.7MB