Overview

overview

10

Static

static

3

b8a92e0ec1...65.exe

windows7-x64

10

b8a92e0ec1...65.exe

windows10-2004-x64

10

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
    27-09-2024 13:46

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General

  • Target

    b8a92e0ec11d91aaa6c5c44f37024d9f09071623dcf2aa67462189e84f683b65.exe

  • Size

    25KB

  • MD5

    ee2daced77768d937294aaf656c59e81

  • SHA1

    643fc628eb908d845c2c275492c232f39b0e56d5

  • SHA256

    b8a92e0ec11d91aaa6c5c44f37024d9f09071623dcf2aa67462189e84f683b65

  • SHA512

    9487fe759220b3c6ac22941a94fe4bbd37896ee30a06a0d5789d693a870ed2055cf6506233a75c2266fd605e27aea35e218de72653bd76d39061ceff14e3795d

  • SSDEEP

    384:5vcTzwCNCC7GepiEQceFsJoFbiOVg3Cynm6Ld2UTLrFEn768hkfH7+NpgBemOdqt:5vkHwCr89Fski7hm6L8O27U+oBLkq2M

Score
10/10
njratkulum persistencetrojan

Malware Config

Extracted

Family

njrat

Version

Njrat 0.7 Golden By Hassan Amiri

Botnet

Kulum

C2

34.89.221.19:3131

Mutex

Windows Update

Attributes
  • reg_key

    Windows Update

  • splitter

    |Hassan|

Signatures

  • njRAT/Bladabindi

    Widely used RAT written in .NET.

    trojannjrat
  • Drops startup file 2 IoCs
  • Executes dropped EXE 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: GetForegroundWindowSpam 2 IoCs
  • Suspicious use of AdjustPrivilegeToken 35 IoCs
  • Suspicious use of WriteProcessMemory 3 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\b8a92e0ec11d91aaa6c5c44f37024d9f09071623dcf2aa67462189e84f683b65.exe
    "C:\Users\Admin\AppData\Local\Temp\b8a92e0ec11d91aaa6c5c44f37024d9f09071623dcf2aa67462189e84f683b65.exe"
    1⤵
    • Suspicious behavior: GetForegroundWindowSpam
    • Suspicious use of WriteProcessMemory
    PID:2568
    • C:\Users\Admin\AppData\Roaming\systemupdate.exe
      "C:\Users\Admin\AppData\Roaming\systemupdate.exe"
      2⤵
      • Drops startup file
      • Executes dropped EXE
      • Adds Run key to start application
      • Suspicious behavior: GetForegroundWindowSpam
      • Suspicious use of AdjustPrivilegeToken
      PID:2024

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

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Downloads

  • C:\Users\Admin\AppData\Roaming\systemupdate.exe
    Filesize

    25KB

    MD5

    ee2daced77768d937294aaf656c59e81

    SHA1

    643fc628eb908d845c2c275492c232f39b0e56d5

    SHA256

    b8a92e0ec11d91aaa6c5c44f37024d9f09071623dcf2aa67462189e84f683b65

    SHA512

    9487fe759220b3c6ac22941a94fe4bbd37896ee30a06a0d5789d693a870ed2055cf6506233a75c2266fd605e27aea35e218de72653bd76d39061ceff14e3795d

    Download Submit

  • memory/2024-11-0x0000000000200000-0x0000000000212000-memory.dmp

    Filesize

    72KB

    Download

  • memory/2024-9-0x000007FEF5480000-0x000007FEF5E1D000-memory.dmp

    Filesize

    9.6MB

    Download

  • memory/2024-12-0x000007FEF5480000-0x000007FEF5E1D000-memory.dmp

    Filesize

    9.6MB

    Download

  • memory/2024-14-0x000007FEF5480000-0x000007FEF5E1D000-memory.dmp

    Filesize

    9.6MB

    Download

  • memory/2024-15-0x000007FEF5480000-0x000007FEF5E1D000-memory.dmp

    Filesize

    9.6MB

    Download

  • memory/2568-0-0x000007FEF573E000-0x000007FEF573F000-memory.dmp

    Filesize

    4KB

    Download

  • memory/2568-1-0x0000000000490000-0x00000000004A2000-memory.dmp

    Filesize

    72KB

    Download

  • memory/2568-2-0x000007FEF5480000-0x000007FEF5E1D000-memory.dmp

    Filesize

    9.6MB

    Download

  • memory/2568-3-0x000007FEF5480000-0x000007FEF5E1D000-memory.dmp

    Filesize

    9.6MB

    Download

  • memory/2568-10-0x000007FEF5480000-0x000007FEF5E1D000-memory.dmp

    Filesize

    9.6MB

    Download