Overview

overview

10

Static

static

10

9DEDCFFA47...D7.exe

windows7_x64

10

9DEDCFFA47...D7.exe

windows10_x64

10

Analysis

  • max time kernel
    151s
  • max time network
    151s
  • platform
    windows10_x64
  • resource
    win10-en-20211104
  • submitted
    17-11-2021 21:22

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General

  • Target

    9DEDCFFA477C50EED62E213C99D750E678598AC9E0DD7.exe

  • Size

    37KB

  • MD5

    150764abf9037c90cbe8408e1996662a

  • SHA1

    6b6b6b238542cd1de0d971ee88a0fa07663940f4

  • SHA256

    9dedcffa477c50eed62e213c99d750e678598ac9e0dd774e5892d25c58269b23

  • SHA512

    f4c9f1c36ebc88075ffa6befcbdcf41fc567347eadd1550e5555707d926071e6691827a7ad6edf5db71ec2a7925e957950d8faaa83e0cea868014a9bb1934959

Score
10/10
njrathackedevasionpersistencetrojan

Malware Config

Extracted

Family

njrat

Version

im523

Botnet

HacKed

C2

2.tcp.ngrok.io:11771

Mutex

bb28dda136516948b0f50a690d5a161e

Attributes
  • reg_key

    bb28dda136516948b0f50a690d5a161e

  • 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
  • Drops autorun.inf file 1 TTPs

    Malware can abuse Windows Autorun to spread further via attached volumes.

  • Enumerates physical storage devices 1 TTPs

    Attempts to interact with connected storage/optical drive(s). Likely ransomware behaviour.

  • Kills process with taskkill 1 IoCs
    evasion
  • Suspicious behavior: EnumeratesProcesses 64 IoCs
  • Suspicious behavior: GetForegroundWindowSpam 1 IoCs
  • Suspicious use of AdjustPrivilegeToken 34 IoCs
  • Suspicious use of WriteProcessMemory 9 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\9DEDCFFA477C50EED62E213C99D750E678598AC9E0DD7.exe
    "C:\Users\Admin\AppData\Local\Temp\9DEDCFFA477C50EED62E213C99D750E678598AC9E0DD7.exe"
    1⤵
    • Suspicious use of WriteProcessMemory
    PID:2336
    • C:\Users\Admin\AppData\Local\Temp\svhost.exe
      "C:\Users\Admin\AppData\Local\Temp\svhost.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:2124
      • C:\Windows\SysWOW64\netsh.exe
        netsh firewall add allowedprogram "C:\Users\Admin\AppData\Local\Temp\svhost.exe" "svhost.exe" ENABLE
        3⤵
          PID:2028
        • C:\Windows\SysWOW64\taskkill.exe
          taskkill /F /IM javaw.exe
          3⤵
          • Kills process with taskkill
          • Suspicious use of AdjustPrivilegeToken
          PID:1452

    Network

    MITRE ATT&CK Matrix ATT&CK v6

    Initial Access

    Replication Through Removable Media

    1
    T1091

    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

    Replication Through Removable Media

    1
    T1091

    Collection

    Exfiltration

    Command and Control

    Impact

    Replay Monitor

    Loading Replay Monitor...

    Downloads

    • C:\Users\Admin\AppData\Local\Temp\svhost.exe
      MD5

      150764abf9037c90cbe8408e1996662a

      SHA1

      6b6b6b238542cd1de0d971ee88a0fa07663940f4

      SHA256

      9dedcffa477c50eed62e213c99d750e678598ac9e0dd774e5892d25c58269b23

      SHA512

      f4c9f1c36ebc88075ffa6befcbdcf41fc567347eadd1550e5555707d926071e6691827a7ad6edf5db71ec2a7925e957950d8faaa83e0cea868014a9bb1934959

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

      150764abf9037c90cbe8408e1996662a

      SHA1

      6b6b6b238542cd1de0d971ee88a0fa07663940f4

      SHA256

      9dedcffa477c50eed62e213c99d750e678598ac9e0dd774e5892d25c58269b23

      SHA512

      f4c9f1c36ebc88075ffa6befcbdcf41fc567347eadd1550e5555707d926071e6691827a7ad6edf5db71ec2a7925e957950d8faaa83e0cea868014a9bb1934959

      Download Submit
    • memory/1452-124-0x0000000000000000-mapping.dmp
      Download
    • memory/2028-123-0x0000000000000000-mapping.dmp
      Download
    • memory/2124-119-0x0000000000000000-mapping.dmp
      Download
    • memory/2124-122-0x0000000000E00000-0x0000000000F4A000-memory.dmp
      Filesize

      1.3MB

      Download
    • memory/2336-118-0x0000000002830000-0x0000000002831000-memory.dmp
      Filesize

      4KB

      Download