Overview

overview

10

Static

static

10

F398959491...20.exe

windows7_x64

10

F398959491...20.exe

windows10_x64

10

Analysis

  • max time kernel
    153s
  • max time network
    180s
  • platform
    windows7_x64
  • resource
    win7v20210408
  • submitted
    12-09-2021 17:16

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General

  • Target

    F398959491EFE9874D198FFDD7F1575439FC4DB53E820.exe

  • Size

    37KB

  • MD5

    32553936e98e9f13c1f32d467077fd38

  • SHA1

    15e613343b191b07dd5deb44bbf732b8d9146cb4

  • SHA256

    f398959491efe9874d198ffdd7f1575439fc4db53e82063824ebb9af158ac7db

  • SHA512

    db5752e8950df2da06bb078944e2454c84d0480b9e059fca013edac38c4b188acb7b473e9da07d16b4a959bf78fbf1b4f04dfb6f73f4e22d8dc90d529e61e16a

Score
10/10
njrathackedevasionpersistencetrojan

Malware Config

Extracted

Family

njrat

Version

im523

Botnet

HacKed

C2

2.tcp.ngrok.io:13564

Mutex

5e872b01dd468d43dc0ebbdd5345346e

Attributes
  • reg_key

    5e872b01dd468d43dc0ebbdd5345346e

  • 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
  • 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 31 IoCs
  • Suspicious use of WriteProcessMemory 8 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\F398959491EFE9874D198FFDD7F1575439FC4DB53E820.exe
    "C:\Users\Admin\AppData\Local\Temp\F398959491EFE9874D198FFDD7F1575439FC4DB53E820.exe"
    1⤵
    • Loads dropped DLL
    • Suspicious use of WriteProcessMemory
    PID:1812
    • C:\Users\Admin\AppData\Local\Temp\diskord.exe
      "C:\Users\Admin\AppData\Local\Temp\diskord.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:1460
      • C:\Windows\SysWOW64\netsh.exe
        netsh firewall add allowedprogram "C:\Users\Admin\AppData\Local\Temp\diskord.exe" "diskord.exe" ENABLE
        3⤵
          PID:316

    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

    Loading Replay Monitor...

    Downloads

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

      32553936e98e9f13c1f32d467077fd38

      SHA1

      15e613343b191b07dd5deb44bbf732b8d9146cb4

      SHA256

      f398959491efe9874d198ffdd7f1575439fc4db53e82063824ebb9af158ac7db

      SHA512

      db5752e8950df2da06bb078944e2454c84d0480b9e059fca013edac38c4b188acb7b473e9da07d16b4a959bf78fbf1b4f04dfb6f73f4e22d8dc90d529e61e16a

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

      32553936e98e9f13c1f32d467077fd38

      SHA1

      15e613343b191b07dd5deb44bbf732b8d9146cb4

      SHA256

      f398959491efe9874d198ffdd7f1575439fc4db53e82063824ebb9af158ac7db

      SHA512

      db5752e8950df2da06bb078944e2454c84d0480b9e059fca013edac38c4b188acb7b473e9da07d16b4a959bf78fbf1b4f04dfb6f73f4e22d8dc90d529e61e16a

      Download Submit
    • \Users\Admin\AppData\Local\Temp\diskord.exe
      MD5

      32553936e98e9f13c1f32d467077fd38

      SHA1

      15e613343b191b07dd5deb44bbf732b8d9146cb4

      SHA256

      f398959491efe9874d198ffdd7f1575439fc4db53e82063824ebb9af158ac7db

      SHA512

      db5752e8950df2da06bb078944e2454c84d0480b9e059fca013edac38c4b188acb7b473e9da07d16b4a959bf78fbf1b4f04dfb6f73f4e22d8dc90d529e61e16a

      Download Submit
    • memory/316-68-0x0000000000000000-mapping.dmp
      Download
    • memory/1460-63-0x0000000000000000-mapping.dmp
      Download
    • memory/1460-67-0x0000000000D40000-0x0000000000D41000-memory.dmp
      Filesize

      4KB

      Download
    • memory/1812-60-0x0000000075801000-0x0000000075803000-memory.dmp
      Filesize

      8KB

      Download
    • memory/1812-61-0x00000000000F0000-0x00000000000F1000-memory.dmp
      Filesize

      4KB

      Download