Overview

overview

10

Static

static

10

e60399615d...4b.exe

windows7_x64

10

e60399615d...4b.exe

windows10-2004_x64

10

Analysis

  • max time kernel
    150s
  • max time network
    82s
  • platform
    windows7_x64
  • resource
    win7-20220414-en
  • submitted
    20-05-2022 22:37

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General

  • Target

    e60399615d26dd613e355b80cd8b80f2c4c93ed3070713d96696daaca87e864b.exe

  • Size

    37KB

  • MD5

    9a27462ea2196f29801405fd7d771ffa

  • SHA1

    cb0fc4d6b44a5d2e40271c739b6cd576675b4afe

  • SHA256

    e60399615d26dd613e355b80cd8b80f2c4c93ed3070713d96696daaca87e864b

  • SHA512

    4dabd280787fc768288f647cb149f32c4ee1d7c2e3774309ce47f225f779d648d8e8ae187039da57727ebc7de4554f17d5a5f8377aa7e8432664e5b8dbdca857

Score
10/10
njratsmehotvorecevasionpersistencetrojan

Malware Config

Extracted

Family

njrat

Version

im523

Botnet

Smehotvorec

C2

kiryache.ddns.net:9292

Mutex

58e6839c7e8ce40231ac79b77a98b47b

Attributes
  • reg_key

    58e6839c7e8ce40231ac79b77a98b47b

  • splitter

    |'|'|

Signatures

  • njRAT/Bladabindi

    Widely used RAT written in .NET.

    trojannjrat
  • Executes dropped EXE 1 IoCs
  • Modifies Windows Firewall 1 TTPs
    evasion
  • Loads dropped DLL 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). Likely ransomware behaviour.

  • Suspicious behavior: EnumeratesProcesses 64 IoCs
  • Suspicious behavior: GetForegroundWindowSpam 1 IoCs
  • Suspicious use of AdjustPrivilegeToken 17 IoCs
  • Suspicious use of WriteProcessMemory 8 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\e60399615d26dd613e355b80cd8b80f2c4c93ed3070713d96696daaca87e864b.exe
    "C:\Users\Admin\AppData\Local\Temp\e60399615d26dd613e355b80cd8b80f2c4c93ed3070713d96696daaca87e864b.exe"
    1⤵
    • Loads dropped DLL
    • Suspicious use of WriteProcessMemory
    PID:552
    • C:\Users\Admin\AppData\Roaming\WindowsClient.exe
      "C:\Users\Admin\AppData\Roaming\WindowsClient.exe"
      2⤵
      • Executes dropped EXE
      • Adds Run key to start application
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious behavior: GetForegroundWindowSpam
      • Suspicious use of AdjustPrivilegeToken
      • Suspicious use of WriteProcessMemory
      PID:828
      • C:\Windows\SysWOW64\netsh.exe
        netsh firewall add allowedprogram "C:\Users\Admin\AppData\Roaming\WindowsClient.exe" "WindowsClient.exe" ENABLE
        3⤵
          PID:2024

    Network

    MITRE ATT&CK Matrix ATT&CK v6

    Initial Access

    Execution

    Persistence

    Modify Existing Service

    1
    T1031

    Registry Run Keys / Startup Folder

    1
    T1060

    Privilege Escalation

    Defense Evasion

    Modify Registry

    1
    T1112

    Credential Access

    Discovery

    System Information Discovery

    1
    T1082

    Lateral Movement

    Collection

    Exfiltration

    Command and Control

    Impact

    Replay Monitor

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    Downloads

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

      37KB

      MD5

      9a27462ea2196f29801405fd7d771ffa

      SHA1

      cb0fc4d6b44a5d2e40271c739b6cd576675b4afe

      SHA256

      e60399615d26dd613e355b80cd8b80f2c4c93ed3070713d96696daaca87e864b

      SHA512

      4dabd280787fc768288f647cb149f32c4ee1d7c2e3774309ce47f225f779d648d8e8ae187039da57727ebc7de4554f17d5a5f8377aa7e8432664e5b8dbdca857

      Download Submit
    • C:\Users\Admin\AppData\Roaming\WindowsClient.exe
      Filesize

      37KB

      MD5

      9a27462ea2196f29801405fd7d771ffa

      SHA1

      cb0fc4d6b44a5d2e40271c739b6cd576675b4afe

      SHA256

      e60399615d26dd613e355b80cd8b80f2c4c93ed3070713d96696daaca87e864b

      SHA512

      4dabd280787fc768288f647cb149f32c4ee1d7c2e3774309ce47f225f779d648d8e8ae187039da57727ebc7de4554f17d5a5f8377aa7e8432664e5b8dbdca857

      Download Submit
    • \Users\Admin\AppData\Roaming\WindowsClient.exe
      Filesize

      37KB

      MD5

      9a27462ea2196f29801405fd7d771ffa

      SHA1

      cb0fc4d6b44a5d2e40271c739b6cd576675b4afe

      SHA256

      e60399615d26dd613e355b80cd8b80f2c4c93ed3070713d96696daaca87e864b

      SHA512

      4dabd280787fc768288f647cb149f32c4ee1d7c2e3774309ce47f225f779d648d8e8ae187039da57727ebc7de4554f17d5a5f8377aa7e8432664e5b8dbdca857

      Download Submit
    • memory/552-54-0x0000000075501000-0x0000000075503000-memory.dmp
      Filesize

      8KB

      Download
    • memory/552-55-0x00000000742E0000-0x000000007488B000-memory.dmp
      Filesize

      5.7MB

      Download
    • memory/828-57-0x0000000000000000-mapping.dmp
      Download
    • memory/828-61-0x00000000742E0000-0x000000007488B000-memory.dmp
      Filesize

      5.7MB

      Download
    • memory/2024-62-0x0000000000000000-mapping.dmp
      Download