Overview

overview

10

Static

static

10

a6ce92c72d...4c.exe

windows7_x64

10

a6ce92c72d...4c.exe

windows10-2004_x64

10

Analysis

  • max time kernel
    151s
  • max time network
    154s
  • platform
    windows7_x64
  • resource
    win7-20220414-en
  • submitted
    20-05-2022 21:48

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General

  • Target

    a6ce92c72deabf6faf87edafd72381d1daeda76db3a37b72901bdda3d2c16c4c.exe

  • Size

    31KB

  • MD5

    29966f080381fc0809ec8bb75365acda

  • SHA1

    4f78c804d179070468fa9205c128208938163152

  • SHA256

    a6ce92c72deabf6faf87edafd72381d1daeda76db3a37b72901bdda3d2c16c4c

  • SHA512

    a1d6bc1388d7d3cfd4e8701a4adb4f8b725a4e7b38643459a2f50b6c797adf7c0f3ae2dadf5bccd129770b9aef2a395e7c2a3b7217543ba0a71772473e86181b

Score
10/10
njratcevasionpersistencetrojan

Malware Config

Extracted

Family

njrat

Version

0.7d

Botnet

C

C2

41.215.240.150 :7777

Mutex

9bb2a2aa276f54484f6a2c361c3d59f1

Attributes
  • reg_key

    9bb2a2aa276f54484f6a2c361c3d59f1

  • splitter

    Y262SUCZ4UJJ

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 use of AdjustPrivilegeToken 20 IoCs
  • Suspicious use of WriteProcessMemory 8 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\a6ce92c72deabf6faf87edafd72381d1daeda76db3a37b72901bdda3d2c16c4c.exe
    "C:\Users\Admin\AppData\Local\Temp\a6ce92c72deabf6faf87edafd72381d1daeda76db3a37b72901bdda3d2c16c4c.exe"
    1⤵
    • Loads dropped DLL
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of WriteProcessMemory
    PID:1076
    • 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 use of AdjustPrivilegeToken
      • Suspicious use of WriteProcessMemory
      PID:832
      • C:\Windows\SysWOW64\netsh.exe
        netsh firewall add allowedprogram "C:\Users\Admin\AppData\Roaming\WindowsServices.exe" "WindowsServices.exe" ENABLE
        3⤵
          PID:1724

    Network

    MITRE ATT&CK Enterprise v6

    Replay Monitor

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    Downloads

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

      31KB

      MD5

      29966f080381fc0809ec8bb75365acda

      SHA1

      4f78c804d179070468fa9205c128208938163152

      SHA256

      a6ce92c72deabf6faf87edafd72381d1daeda76db3a37b72901bdda3d2c16c4c

      SHA512

      a1d6bc1388d7d3cfd4e8701a4adb4f8b725a4e7b38643459a2f50b6c797adf7c0f3ae2dadf5bccd129770b9aef2a395e7c2a3b7217543ba0a71772473e86181b

      Download Submit

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

      31KB

      MD5

      29966f080381fc0809ec8bb75365acda

      SHA1

      4f78c804d179070468fa9205c128208938163152

      SHA256

      a6ce92c72deabf6faf87edafd72381d1daeda76db3a37b72901bdda3d2c16c4c

      SHA512

      a1d6bc1388d7d3cfd4e8701a4adb4f8b725a4e7b38643459a2f50b6c797adf7c0f3ae2dadf5bccd129770b9aef2a395e7c2a3b7217543ba0a71772473e86181b

      Download Submit

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

      31KB

      MD5

      29966f080381fc0809ec8bb75365acda

      SHA1

      4f78c804d179070468fa9205c128208938163152

      SHA256

      a6ce92c72deabf6faf87edafd72381d1daeda76db3a37b72901bdda3d2c16c4c

      SHA512

      a1d6bc1388d7d3cfd4e8701a4adb4f8b725a4e7b38643459a2f50b6c797adf7c0f3ae2dadf5bccd129770b9aef2a395e7c2a3b7217543ba0a71772473e86181b

      Download Submit

    • memory/832-57-0x0000000000000000-mapping.dmp

      Download

    • memory/832-61-0x0000000074A50000-0x0000000074FFB000-memory.dmp

      Filesize

      5.7MB

      Download

    • memory/1076-54-0x00000000756A1000-0x00000000756A3000-memory.dmp

      Filesize

      8KB

      Download

    • memory/1076-55-0x0000000074A50000-0x0000000074FFB000-memory.dmp

      Filesize

      5.7MB

      Download

    • memory/1724-62-0x0000000000000000-mapping.dmp

      Download