Analysis

  • max time kernel
    149s
  • max time network
    142s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20241007-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-x64system
  • submitted
    22-12-2024 16:26

General

  • Target

    dfebc469780c2c152b72580384ef4d60927a6de2d1b566a1a96fe943dd3251c6.exe

  • Size

    307KB

  • MD5

    32db0e115ffc619b625e5bf83c87b5c0

  • SHA1

    e55a1f1984f9b3f414f6f98b211ba0dee582c415

  • SHA256

    dfebc469780c2c152b72580384ef4d60927a6de2d1b566a1a96fe943dd3251c6

  • SHA512

    b7bcff588a4fee53ba4356b6b1d29234857bbd5e9092b5a74e4531349857f66e1ac67b5a9df9cb6416b084ab1895c98532411f3063508bd6195de261867ac13d

  • SSDEEP

    3072:vnkAK3MylIIn3FIyraBOggRibieoRv8w5hhCS48:v8CIn3FIyyoJNhhCS48

Malware Config

Extracted

Family

njrat

Version

Njrat 0.7 Golden By Hassan Amiri

Botnet

HacKed

C2

127.0.0.1:5552

Mutex

Windows Update

Attributes
  • reg_key

    Windows Update

  • splitter

    |Hassan|

Signatures

  • Njrat family
  • njRAT/Bladabindi

    Widely used RAT written in .NET.

  • Drops startup file 2 IoCs
  • Executes dropped EXE 2 IoCs
  • Adds Run key to start application 2 TTPs 2 IoCs
  • 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.

  • Scheduled Task/Job: Scheduled Task 1 TTPs 1 IoCs

    Schtasks is often used by malware for persistence or to perform post-infection execution.

  • Suspicious behavior: GetForegroundWindowSpam 1 IoCs
  • Suspicious use of AdjustPrivilegeToken 33 IoCs
  • Suspicious use of WriteProcessMemory 3 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\dfebc469780c2c152b72580384ef4d60927a6de2d1b566a1a96fe943dd3251c6.exe
    "C:\Users\Admin\AppData\Local\Temp\dfebc469780c2c152b72580384ef4d60927a6de2d1b566a1a96fe943dd3251c6.exe"
    1⤵
    • Drops startup file
    • Adds Run key to start application
    • System Location Discovery: System Language Discovery
    • Suspicious behavior: GetForegroundWindowSpam
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of WriteProcessMemory
    PID:5072
    • C:\Windows\SysWOW64\schtasks.exe
      schtasks /create /sc minute /mo 1 /tn Server /tr C:\Users\Admin\AppData\Local\Temp/Server.exe
      2⤵
      • System Location Discovery: System Language Discovery
      • Scheduled Task/Job: Scheduled Task
      PID:252
  • C:\Users\Admin\AppData\Local\Temp\Server.exe
    C:\Users\Admin\AppData\Local\Temp/Server.exe
    1⤵
    • Executes dropped EXE
    • System Location Discovery: System Language Discovery
    PID:2452
  • C:\Users\Admin\AppData\Local\Temp\Server.exe
    C:\Users\Admin\AppData\Local\Temp/Server.exe
    1⤵
    • Executes dropped EXE
    • System Location Discovery: System Language Discovery
    PID:4256

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

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Downloads

  • C:\Users\Admin\AppData\Local\Microsoft\CLR_v4.0_32\UsageLogs\Server.exe.log

    Filesize

    507B

    MD5

    25d1b50e7c0d451f3d850eb54d27ca05

    SHA1

    a238807715c70a335f54e80d4855644b21a9e870

    SHA256

    650faa13e983c9046c9030f63a5fa1c33900432ec7cb3762e015da2e7c5b34a5

    SHA512

    4223a26b2fabefdf1c01443ccc7bd887464d27f02694379895a040c66db472d541218d501f1c01e1bd31012d079a31baf24e20882c32cf652a09a74e3bf385f5

  • C:\Users\Admin\AppData\Local\Temp\Server.exe

    Filesize

    307KB

    MD5

    32db0e115ffc619b625e5bf83c87b5c0

    SHA1

    e55a1f1984f9b3f414f6f98b211ba0dee582c415

    SHA256

    dfebc469780c2c152b72580384ef4d60927a6de2d1b566a1a96fe943dd3251c6

    SHA512

    b7bcff588a4fee53ba4356b6b1d29234857bbd5e9092b5a74e4531349857f66e1ac67b5a9df9cb6416b084ab1895c98532411f3063508bd6195de261867ac13d

  • memory/2452-16-0x00000000745B0000-0x0000000074D60000-memory.dmp

    Filesize

    7.7MB

  • memory/2452-14-0x00000000745B0000-0x0000000074D60000-memory.dmp

    Filesize

    7.7MB

  • memory/2452-13-0x00000000745B0000-0x0000000074D60000-memory.dmp

    Filesize

    7.7MB

  • memory/4256-21-0x00000000745B0000-0x0000000074D60000-memory.dmp

    Filesize

    7.7MB

  • memory/4256-20-0x00000000745B0000-0x0000000074D60000-memory.dmp

    Filesize

    7.7MB

  • memory/4256-18-0x00000000745B0000-0x0000000074D60000-memory.dmp

    Filesize

    7.7MB

  • memory/5072-4-0x00000000745B0000-0x0000000074D60000-memory.dmp

    Filesize

    7.7MB

  • memory/5072-10-0x00000000058A0000-0x00000000058AA000-memory.dmp

    Filesize

    40KB

  • memory/5072-9-0x00000000745B0000-0x0000000074D60000-memory.dmp

    Filesize

    7.7MB

  • memory/5072-8-0x00000000745BE000-0x00000000745BF000-memory.dmp

    Filesize

    4KB

  • memory/5072-5-0x00000000058B0000-0x0000000005942000-memory.dmp

    Filesize

    584KB

  • memory/5072-0-0x00000000745BE000-0x00000000745BF000-memory.dmp

    Filesize

    4KB

  • memory/5072-3-0x0000000005DB0000-0x0000000006354000-memory.dmp

    Filesize

    5.6MB

  • memory/5072-2-0x0000000005480000-0x000000000551C000-memory.dmp

    Filesize

    624KB

  • memory/5072-1-0x0000000000A90000-0x0000000000AE4000-memory.dmp

    Filesize

    336KB