Overview

overview

10

Static

static

10

c0be73cb39...b8.exe

windows7_x64

10

c0be73cb39...b8.exe

windows10-2004_x64

10

Analysis

  • max time kernel
    151s
  • max time network
    147s
  • platform
    windows7_x64
  • resource
    win7-20220414-en
  • submitted
    04-07-2022 12:21

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General

  • Target

    c0be73cb39b423805193433ad585f5b8.exe

  • Size

    37KB

  • MD5

    c0be73cb39b423805193433ad585f5b8

  • SHA1

    4993129df55612315d66530cf1c8f8d4a16b7fda

  • SHA256

    de3eb03ecb262ac7d7e39fc1a746d03fe05586aaa8af9e9090fe6bbdd963094a

  • SHA512

    38d9ddf70d56fa4c6c77097e7158ccf0672efa303e423712fc31417e9f6947d541ff0bc87387636801fe6fac8eda403ccf5a55e9ee20cea04bf32ca7ae921dfb

Score
10/10
njrathackedevasionpersistencesuricatatrojan

Malware Config

Extracted

Family

njrat

Version

im523

Botnet

HacKed

C2

5.tcp.eu.ngrok.io:14322

Mutex

ea1a5a5888621f5dfaaef310d1d638c8

Attributes
  • reg_key

    ea1a5a5888621f5dfaaef310d1d638c8

  • splitter

    |'|'|

Signatures

  • njRAT/Bladabindi

    Widely used RAT written in .NET.

    trojannjrat
  • suricata: ET MALWARE Generic njRAT/Bladabindi CnC Activity (ll)

    suricata: ET MALWARE Generic njRAT/Bladabindi CnC Activity (ll)

    suricata
  • Executes dropped EXE 1 IoCs
  • Modifies Windows Firewall 1 TTPs 1 IoCs
    evasion
  • Drops startup file 2 IoCs
  • 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 21 IoCs
  • Suspicious use of WriteProcessMemory 8 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\c0be73cb39b423805193433ad585f5b8.exe
    "C:\Users\Admin\AppData\Local\Temp\c0be73cb39b423805193433ad585f5b8.exe"
    1⤵
    • Loads dropped DLL
    • Suspicious use of WriteProcessMemory
    PID:2036
    • C:\Users\Admin\AppData\Local\Temp\Microsoft.exe
      "C:\Users\Admin\AppData\Local\Temp\Microsoft.exe"
      2⤵
      • Executes dropped EXE
      • Drops startup file
      • Adds Run key to start application
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious behavior: GetForegroundWindowSpam
      • Suspicious use of AdjustPrivilegeToken
      • Suspicious use of WriteProcessMemory
      PID:1652
      • C:\Windows\SysWOW64\netsh.exe
        netsh firewall add allowedprogram "C:\Users\Admin\AppData\Local\Temp\Microsoft.exe" "Microsoft.exe" ENABLE
        3⤵
        • Modifies Windows Firewall
        PID:1576

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\Local\Temp\Microsoft.exe
    Filesize

    37KB

    MD5

    c0be73cb39b423805193433ad585f5b8

    SHA1

    4993129df55612315d66530cf1c8f8d4a16b7fda

    SHA256

    de3eb03ecb262ac7d7e39fc1a746d03fe05586aaa8af9e9090fe6bbdd963094a

    SHA512

    38d9ddf70d56fa4c6c77097e7158ccf0672efa303e423712fc31417e9f6947d541ff0bc87387636801fe6fac8eda403ccf5a55e9ee20cea04bf32ca7ae921dfb

    Download Submit
  • C:\Users\Admin\AppData\Local\Temp\Microsoft.exe
    Filesize

    37KB

    MD5

    c0be73cb39b423805193433ad585f5b8

    SHA1

    4993129df55612315d66530cf1c8f8d4a16b7fda

    SHA256

    de3eb03ecb262ac7d7e39fc1a746d03fe05586aaa8af9e9090fe6bbdd963094a

    SHA512

    38d9ddf70d56fa4c6c77097e7158ccf0672efa303e423712fc31417e9f6947d541ff0bc87387636801fe6fac8eda403ccf5a55e9ee20cea04bf32ca7ae921dfb

    Download Submit
  • \Users\Admin\AppData\Local\Temp\Microsoft.exe
    Filesize

    37KB

    MD5

    c0be73cb39b423805193433ad585f5b8

    SHA1

    4993129df55612315d66530cf1c8f8d4a16b7fda

    SHA256

    de3eb03ecb262ac7d7e39fc1a746d03fe05586aaa8af9e9090fe6bbdd963094a

    SHA512

    38d9ddf70d56fa4c6c77097e7158ccf0672efa303e423712fc31417e9f6947d541ff0bc87387636801fe6fac8eda403ccf5a55e9ee20cea04bf32ca7ae921dfb

    Download Submit
  • memory/1576-63-0x0000000000000000-mapping.dmp
    Download
  • memory/1652-57-0x0000000000000000-mapping.dmp
    Download
  • memory/1652-62-0x0000000074650000-0x0000000074BFB000-memory.dmp
    Filesize

    5.7MB

    Download
  • memory/1652-65-0x0000000074650000-0x0000000074BFB000-memory.dmp
    Filesize

    5.7MB

    Download
  • memory/2036-54-0x0000000075521000-0x0000000075523000-memory.dmp
    Filesize

    8KB

    Download
  • memory/2036-55-0x0000000074650000-0x0000000074BFB000-memory.dmp
    Filesize

    5.7MB

    Download
  • memory/2036-61-0x0000000074650000-0x0000000074BFB000-memory.dmp
    Filesize

    5.7MB

    Download