Overview

overview

10

Static

static

10

a12e6089b9...ec.exe

windows7_x64

10

a12e6089b9...ec.exe

windows10_x64

10

Analysis

  • max time kernel
    155s
  • max time network
    148s
  • platform
    windows10_x64
  • resource
    win10-en
  • submitted
    07-09-2021 06:11

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General

  • Target

    a12e6089b9cd7c82c569c23f9f9bae41bd9b8838f6f901897346d27d6e3fa2ec.exe

  • Size

    23KB

  • MD5

    699ed9143001593010fcc6414b7a6379

  • SHA1

    f07754021510d3bb3f4e204b61a9ca422d814745

  • SHA256

    a12e6089b9cd7c82c569c23f9f9bae41bd9b8838f6f901897346d27d6e3fa2ec

  • SHA512

    aa4dba3b71885cc5457afb45e39fb164d4ffdcaa48bc91291925e44dc90b32258e4f656f4070f7e146a001eae021c51dfd6a414a15e906b7d58651d032e6454b

Score
10/10
njrathackedevasionpersistencetrojan

Malware Config

Extracted

Family

njrat

Version

0.7d

Botnet

HacKed

C2

maximus99.ddns.net:5555

Mutex

cf7791e53cf2a759416f6396dcf7bd6a

Attributes
  • reg_key

    cf7791e53cf2a759416f6396dcf7bd6a

  • splitter

    |'|'|

Signatures

  • njRAT/Bladabindi

    Widely used RAT written in .NET.

    trojannjrat
  • Executes dropped EXE 1 IoCs
  • Modifies Windows Firewall 1 TTPs
    evasion
  • Drops startup file 2 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 use of AdjustPrivilegeToken 35 IoCs
  • Suspicious use of WriteProcessMemory 6 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\a12e6089b9cd7c82c569c23f9f9bae41bd9b8838f6f901897346d27d6e3fa2ec.exe
    "C:\Users\Admin\AppData\Local\Temp\a12e6089b9cd7c82c569c23f9f9bae41bd9b8838f6f901897346d27d6e3fa2ec.exe"
    1⤵
    • Suspicious use of WriteProcessMemory
    PID:3996
    • C:\Users\Admin\AppData\Local\Temp\Explerer.exe
      "C:\Users\Admin\AppData\Local\Temp\Explerer.exe"
      2⤵
      • Executes dropped EXE
      • Drops startup file
      • Adds Run key to start application
      • Suspicious use of AdjustPrivilegeToken
      • Suspicious use of WriteProcessMemory
      PID:1124
      • C:\Windows\SysWOW64\netsh.exe
        netsh firewall add allowedprogram "C:\Users\Admin\AppData\Local\Temp\Explerer.exe" "Explerer.exe" ENABLE
        3⤵
          PID:3892

    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\Explerer.exe
      MD5

      699ed9143001593010fcc6414b7a6379

      SHA1

      f07754021510d3bb3f4e204b61a9ca422d814745

      SHA256

      a12e6089b9cd7c82c569c23f9f9bae41bd9b8838f6f901897346d27d6e3fa2ec

      SHA512

      aa4dba3b71885cc5457afb45e39fb164d4ffdcaa48bc91291925e44dc90b32258e4f656f4070f7e146a001eae021c51dfd6a414a15e906b7d58651d032e6454b

      Download Submit
    • C:\Users\Admin\AppData\Local\Temp\Explerer.exe
      MD5

      699ed9143001593010fcc6414b7a6379

      SHA1

      f07754021510d3bb3f4e204b61a9ca422d814745

      SHA256

      a12e6089b9cd7c82c569c23f9f9bae41bd9b8838f6f901897346d27d6e3fa2ec

      SHA512

      aa4dba3b71885cc5457afb45e39fb164d4ffdcaa48bc91291925e44dc90b32258e4f656f4070f7e146a001eae021c51dfd6a414a15e906b7d58651d032e6454b

      Download Submit
    • memory/1124-116-0x0000000000000000-mapping.dmp
      Download
    • memory/1124-119-0x00000000007F0000-0x00000000007F1000-memory.dmp
      Filesize

      4KB

      Download
    • memory/3892-120-0x0000000000000000-mapping.dmp
      Download
    • memory/3996-115-0x00000000028C0000-0x00000000028C1000-memory.dmp
      Filesize

      4KB

      Download