Overview

overview

10

Static

static

10

f976b8e1ed...cc.exe

windows7_x64

10

f976b8e1ed...cc.exe

windows10-2004_x64

10

Analysis

  • max time kernel
    153s
  • max time network
    157s
  • platform
    windows7_x64
  • resource
    win7-20220414-en
  • submitted
    20-05-2022 23:26

Sharing

Copy URL
Twitter E-mail
Report Analysis Logs

General

  • Target

    f976b8e1ed95511151dde454210ea6167fe92cef80563ded6492235549c673cc.exe

  • Size

    103KB

  • MD5

    2ca922461db539e6a01e4c4796e3c4f5

  • SHA1

    63d475e2c98eea1d5852f8c07ed6a0d92acee220

  • SHA256

    f976b8e1ed95511151dde454210ea6167fe92cef80563ded6492235549c673cc

  • SHA512

    5e54e299687c651a3ec38425943bc6c15c9e1f679a85f5aa0e67c4ffe5b75157f8b25cb55168f7304ed787181ab93c2fa1d4f85347d96c45a124e2edc81c6e3a

Score
10/10
njratlevkrasovevasionpersistencetrojan

Malware Config

Extracted

Family

njrat

Version

im523

Botnet

Levkrasov

C2

185.82.217.154:9591

Mutex

b2470da48fd8c6569c0daa61a130d205

Attributes
  • reg_key

    b2470da48fd8c6569c0daa61a130d205

  • 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 19 IoCs
  • Suspicious use of WriteProcessMemory 8 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\f976b8e1ed95511151dde454210ea6167fe92cef80563ded6492235549c673cc.exe
    "C:\Users\Admin\AppData\Local\Temp\f976b8e1ed95511151dde454210ea6167fe92cef80563ded6492235549c673cc.exe"
    1⤵
    • Loads dropped DLL
    • Suspicious use of WriteProcessMemory
    PID:800
    • C:\Users\Admin\AppData\Roaming\WindowsServices.exe
      "C:\Users\Admin\AppData\Roaming\WindowsServices.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:2044
      • C:\Windows\SysWOW64\netsh.exe
        netsh firewall add allowedprogram "C:\Users\Admin\AppData\Roaming\WindowsServices.exe" "WindowsServices.exe" ENABLE
        3⤵
          PID:1940

    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\Roaming\WindowsServices.exe
      Filesize

      103KB

      MD5

      2ca922461db539e6a01e4c4796e3c4f5

      SHA1

      63d475e2c98eea1d5852f8c07ed6a0d92acee220

      SHA256

      f976b8e1ed95511151dde454210ea6167fe92cef80563ded6492235549c673cc

      SHA512

      5e54e299687c651a3ec38425943bc6c15c9e1f679a85f5aa0e67c4ffe5b75157f8b25cb55168f7304ed787181ab93c2fa1d4f85347d96c45a124e2edc81c6e3a

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

      103KB

      MD5

      2ca922461db539e6a01e4c4796e3c4f5

      SHA1

      63d475e2c98eea1d5852f8c07ed6a0d92acee220

      SHA256

      f976b8e1ed95511151dde454210ea6167fe92cef80563ded6492235549c673cc

      SHA512

      5e54e299687c651a3ec38425943bc6c15c9e1f679a85f5aa0e67c4ffe5b75157f8b25cb55168f7304ed787181ab93c2fa1d4f85347d96c45a124e2edc81c6e3a

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

      103KB

      MD5

      2ca922461db539e6a01e4c4796e3c4f5

      SHA1

      63d475e2c98eea1d5852f8c07ed6a0d92acee220

      SHA256

      f976b8e1ed95511151dde454210ea6167fe92cef80563ded6492235549c673cc

      SHA512

      5e54e299687c651a3ec38425943bc6c15c9e1f679a85f5aa0e67c4ffe5b75157f8b25cb55168f7304ed787181ab93c2fa1d4f85347d96c45a124e2edc81c6e3a

      Download Submit
    • memory/800-54-0x0000000076561000-0x0000000076563000-memory.dmp
      Filesize

      8KB

      Download
    • memory/800-55-0x0000000074BD0000-0x000000007517B000-memory.dmp
      Filesize

      5.7MB

      Download
    • memory/1940-62-0x0000000000000000-mapping.dmp
      Download
    • memory/2044-57-0x0000000000000000-mapping.dmp
      Download
    • memory/2044-61-0x0000000074BD0000-0x000000007517B000-memory.dmp
      Filesize

      5.7MB

      Download