Analysis

  • max time kernel
    149s
  • max time network
    140s
  • platform
    windows7_x64
  • resource
    win7-20240708-en
  • resource tags

    arch:x64arch:x86image:win7-20240708-enlocale:en-usos:windows7-x64system
  • submitted
    06-10-2024 10:56

General

  • Target

    c8d8f79ad37249faa03dae92947af35d310fffc28b7597507246d1f8c8eb9fea.exe

  • Size

    43KB

  • MD5

    587ad6e22bb4925dd74971fb811742d2

  • SHA1

    ed232dd2da4676de64df99bdf43d86b5049b65f2

  • SHA256

    c8d8f79ad37249faa03dae92947af35d310fffc28b7597507246d1f8c8eb9fea

  • SHA512

    552bba329873ed49765327677731fd2f99107cc2837748011dfcc792b5e9158c4c248c08d2ef6f1e70a11616d6684df4fa0068a32853a7b8eb1bd1077d56e57e

  • SSDEEP

    384:dZyBcUdsbhKIyKPDbSYeE6rrez8Iij+ZsNO3PlpJKkkjh/TzF7pWn/dwgreT0pqP:XeRiwFKrbvUsuXQ/o40+L

Malware Config

Extracted

Family

njrat

Version

Njrat 0.7 Golden By Hassan Amiri

Botnet

34234234

C2

146.158.107.225:8408

Mutex

Windows Update

Attributes
  • reg_key

    Windows Update

  • splitter

    |Hassan|

Signatures

  • njRAT/Bladabindi

    Widely used RAT written in .NET.

  • Drops startup file 2 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).

  • System Location Discovery: System Language Discovery 1 TTPs 2 IoCs

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

  • Suspicious behavior: GetForegroundWindowSpam 2 IoCs
  • Suspicious use of AdjustPrivilegeToken 35 IoCs
  • Suspicious use of WriteProcessMemory 4 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\c8d8f79ad37249faa03dae92947af35d310fffc28b7597507246d1f8c8eb9fea.exe
    "C:\Users\Admin\AppData\Local\Temp\c8d8f79ad37249faa03dae92947af35d310fffc28b7597507246d1f8c8eb9fea.exe"
    1⤵
    • Loads dropped DLL
    • System Location Discovery: System Language Discovery
    • Suspicious behavior: GetForegroundWindowSpam
    • Suspicious use of WriteProcessMemory
    PID:2848
    • C:\Users\Admin\AppData\Roaming\svchost.exe
      "C:\Users\Admin\AppData\Roaming\svchost.exe"
      2⤵
      • Drops startup file
      • Executes dropped EXE
      • Adds Run key to start application
      • System Location Discovery: System Language Discovery
      • Suspicious behavior: GetForegroundWindowSpam
      • Suspicious use of AdjustPrivilegeToken
      PID:1568

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

Loading Replay Monitor...

Downloads

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

    Filesize

    43KB

    MD5

    587ad6e22bb4925dd74971fb811742d2

    SHA1

    ed232dd2da4676de64df99bdf43d86b5049b65f2

    SHA256

    c8d8f79ad37249faa03dae92947af35d310fffc28b7597507246d1f8c8eb9fea

    SHA512

    552bba329873ed49765327677731fd2f99107cc2837748011dfcc792b5e9158c4c248c08d2ef6f1e70a11616d6684df4fa0068a32853a7b8eb1bd1077d56e57e

  • memory/1568-10-0x0000000000E00000-0x0000000000E12000-memory.dmp

    Filesize

    72KB

  • memory/1568-12-0x0000000074A80000-0x000000007516E000-memory.dmp

    Filesize

    6.9MB

  • memory/1568-13-0x0000000074A80000-0x000000007516E000-memory.dmp

    Filesize

    6.9MB

  • memory/1568-15-0x0000000074A80000-0x000000007516E000-memory.dmp

    Filesize

    6.9MB

  • memory/1568-16-0x0000000074A80000-0x000000007516E000-memory.dmp

    Filesize

    6.9MB

  • memory/2848-0-0x0000000074A8E000-0x0000000074A8F000-memory.dmp

    Filesize

    4KB

  • memory/2848-1-0x00000000009B0000-0x00000000009C2000-memory.dmp

    Filesize

    72KB

  • memory/2848-2-0x0000000074A80000-0x000000007516E000-memory.dmp

    Filesize

    6.9MB

  • memory/2848-11-0x0000000074A80000-0x000000007516E000-memory.dmp

    Filesize

    6.9MB