Overview

overview

10

Static

static

10

0400e15840...ec.exe

windows7-x64

10

0400e15840...ec.exe

windows10-2004-x64

10

Analysis

  • max time kernel
    152s
  • max time network
    154s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20220812-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20220812-enlocale:en-usos:windows10-2004-x64system
  • submitted
    21/10/2022, 04:05

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General

  • Target

    0400e1584001520ea45d8c920bedd61fe3c64f3aa8011db4fd2e506ff6ba02ec.exe

  • Size

    29KB

  • MD5

    5f2dcbae4ae2b6181ebc93428f55e110

  • SHA1

    aa2085260873e9ef345e114d81f9da09f8d4489a

  • SHA256

    0400e1584001520ea45d8c920bedd61fe3c64f3aa8011db4fd2e506ff6ba02ec

  • SHA512

    c75522718b75cda9b4b4da9be241438ba3280810a8c384cde5077015238b9cc5fec9c32924eebf8774e7fe7231b0e347966f15ef4e2e24beaf4839b782953ffd

  • SSDEEP

    384:2s/hl7b1/JEI+GPWrb5hFEaemaD6CLeQTGBsbh0w4wlAokw9OhgOL1vYRGOZzNZl:P7bXEI+GevhEsadLe3BKh0p29SgR/l

Score
10/10
njrathackedevasionpersistencetrojan

Malware Config

Extracted

Family

njrat

Version

0.6.4

Botnet

HacKed

C2

alm3lm100.noip.me:1133

Mutex

baf5dc13eb4c7b00798fd1e4e35c0f4a

Attributes
  • reg_key

    baf5dc13eb4c7b00798fd1e4e35c0f4a

  • splitter

    |'|'|

Signatures

  • njRAT/Bladabindi

    Widely used RAT written in .NET.

    trojannjrat
  • Executes dropped EXE 1 IoCs
  • Modifies Windows Firewall 1 TTPs 1 IoCs
    evasion
  • Checks computer location settings 2 TTPs 1 IoCs

    Looks up country code configured in the registry, likely geofence.

  • Adds Run key to start application 2 TTPs 2 IoCs
    persistence
  • Drops file in System32 directory 2 IoCs
  • Enumerates physical storage devices 1 TTPs

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

  • Checks processor information in registry 2 TTPs 3 IoCs

    Processor information is often read in order to detect sandboxing environments.

  • Enumerates system info in registry 2 TTPs 2 IoCs
  • Suspicious behavior: EnumeratesProcesses 45 IoCs
  • Suspicious use of AdjustPrivilegeToken 1 IoCs
  • Suspicious use of WriteProcessMemory 6 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\0400e1584001520ea45d8c920bedd61fe3c64f3aa8011db4fd2e506ff6ba02ec.exe
    "C:\Users\Admin\AppData\Local\Temp\0400e1584001520ea45d8c920bedd61fe3c64f3aa8011db4fd2e506ff6ba02ec.exe"
    1⤵
    • Checks computer location settings
    • Suspicious use of WriteProcessMemory
    PID:3232
    • C:\Users\Admin\AppData\Local\Temp\sss.exe
      "C:\Users\Admin\AppData\Local\Temp\sss.exe"
      2⤵
      • Executes dropped EXE
      • Adds Run key to start application
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      • Suspicious use of WriteProcessMemory
      PID:3628
      • C:\Windows\SysWOW64\netsh.exe
        netsh firewall add allowedprogram "C:\Users\Admin\AppData\Local\Temp\sss.exe" "sss.exe" ENABLE
        3⤵
        • Modifies Windows Firewall
        PID:4860
  • C:\Windows\System32\svchost.exe
    C:\Windows\System32\svchost.exe -k netsvcs -p
    1⤵
    • Drops file in System32 directory
    • Checks processor information in registry
    • Enumerates system info in registry
    PID:5032

Network

MITRE ATT&CK Enterprise v6

Replay Monitor

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Downloads

  • C:\Users\Admin\AppData\Local\Temp\sss.exe
    Filesize

    29KB

    MD5

    5f2dcbae4ae2b6181ebc93428f55e110

    SHA1

    aa2085260873e9ef345e114d81f9da09f8d4489a

    SHA256

    0400e1584001520ea45d8c920bedd61fe3c64f3aa8011db4fd2e506ff6ba02ec

    SHA512

    c75522718b75cda9b4b4da9be241438ba3280810a8c384cde5077015238b9cc5fec9c32924eebf8774e7fe7231b0e347966f15ef4e2e24beaf4839b782953ffd

    Download Submit

  • C:\Users\Admin\AppData\Local\Temp\sss.exe
    Filesize

    29KB

    MD5

    5f2dcbae4ae2b6181ebc93428f55e110

    SHA1

    aa2085260873e9ef345e114d81f9da09f8d4489a

    SHA256

    0400e1584001520ea45d8c920bedd61fe3c64f3aa8011db4fd2e506ff6ba02ec

    SHA512

    c75522718b75cda9b4b4da9be241438ba3280810a8c384cde5077015238b9cc5fec9c32924eebf8774e7fe7231b0e347966f15ef4e2e24beaf4839b782953ffd

    Download Submit

  • memory/3232-132-0x0000000074900000-0x0000000074EB1000-memory.dmp

    Filesize

    5.7MB

    Download

  • memory/3232-136-0x0000000074900000-0x0000000074EB1000-memory.dmp

    Filesize

    5.7MB

    Download

  • memory/3628-138-0x0000000074900000-0x0000000074EB1000-memory.dmp

    Filesize

    5.7MB

    Download

  • memory/3628-139-0x0000000074900000-0x0000000074EB1000-memory.dmp

    Filesize

    5.7MB

    Download