Analysis

  • max time kernel
    119s
  • max time network
    119s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20241007-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-x64system
  • submitted
    02-01-2025 01:32

General

  • Target

    8e69dd4e83b6a3c6d44562c7d35949cc3300b878de92594ec8b3d33a7e0da58fN.exe

  • Size

    43KB

  • MD5

    97440516db449821494e3d9902d46940

  • SHA1

    3a681023c0a1e10911a57055268ffaaba6b9f817

  • SHA256

    8e69dd4e83b6a3c6d44562c7d35949cc3300b878de92594ec8b3d33a7e0da58f

  • SHA512

    b89f99b008fe640998275c820615b8186d9e7c9f397000338af9cc25d6ba557e4fb32fc8a699f8d6bf6460724cb6e0a07de95c2caf07123a71868620550528ee

  • SSDEEP

    384:PZyt4DgolYxOoyi08Hyf2ASEN8MFQPzgIij+ZsNO3PlpJKkkjh/TzF7pWn4/gre7:xsouIli04kDP8qwuXQ/oF/+L

Malware Config

Extracted

Family

njrat

Version

Njrat 0.7 Golden By Hassan Amiri

Botnet

HacKed

C2

95.79.32.220:28015

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 27 IoCs
  • Suspicious use of WriteProcessMemory 3 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\8e69dd4e83b6a3c6d44562c7d35949cc3300b878de92594ec8b3d33a7e0da58fN.exe
    "C:\Users\Admin\AppData\Local\Temp\8e69dd4e83b6a3c6d44562c7d35949cc3300b878de92594ec8b3d33a7e0da58fN.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:5016
    • 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:3872
  • 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:2560
  • 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:4992

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

Loading Replay Monitor...

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

    43KB

    MD5

    97440516db449821494e3d9902d46940

    SHA1

    3a681023c0a1e10911a57055268ffaaba6b9f817

    SHA256

    8e69dd4e83b6a3c6d44562c7d35949cc3300b878de92594ec8b3d33a7e0da58f

    SHA512

    b89f99b008fe640998275c820615b8186d9e7c9f397000338af9cc25d6ba557e4fb32fc8a699f8d6bf6460724cb6e0a07de95c2caf07123a71868620550528ee

  • memory/2560-16-0x0000000074780000-0x0000000074F30000-memory.dmp

    Filesize

    7.7MB

  • memory/2560-14-0x0000000074780000-0x0000000074F30000-memory.dmp

    Filesize

    7.7MB

  • memory/2560-13-0x0000000074780000-0x0000000074F30000-memory.dmp

    Filesize

    7.7MB

  • memory/4992-21-0x0000000074780000-0x0000000074F30000-memory.dmp

    Filesize

    7.7MB

  • memory/4992-20-0x0000000074780000-0x0000000074F30000-memory.dmp

    Filesize

    7.7MB

  • memory/4992-18-0x0000000074780000-0x0000000074F30000-memory.dmp

    Filesize

    7.7MB

  • memory/5016-4-0x0000000074780000-0x0000000074F30000-memory.dmp

    Filesize

    7.7MB

  • memory/5016-10-0x0000000005770000-0x000000000577A000-memory.dmp

    Filesize

    40KB

  • memory/5016-9-0x0000000074780000-0x0000000074F30000-memory.dmp

    Filesize

    7.7MB

  • memory/5016-8-0x000000007478E000-0x000000007478F000-memory.dmp

    Filesize

    4KB

  • memory/5016-5-0x0000000005780000-0x0000000005812000-memory.dmp

    Filesize

    584KB

  • memory/5016-0-0x000000007478E000-0x000000007478F000-memory.dmp

    Filesize

    4KB

  • memory/5016-3-0x0000000005C80000-0x0000000006224000-memory.dmp

    Filesize

    5.6MB

  • memory/5016-2-0x0000000005350000-0x00000000053EC000-memory.dmp

    Filesize

    624KB

  • memory/5016-1-0x00000000009A0000-0x00000000009B2000-memory.dmp

    Filesize

    72KB