Analysis

  • max time kernel
    146s
  • max time network
    147s
  • platform
    windows7_x64
  • resource
    win7-en
  • submitted
    08-09-2021 16:37

General

  • Target

    a7c7bb532823a6e7d4ace596f146c618.exe

  • Size

    113KB

  • MD5

    a7c7bb532823a6e7d4ace596f146c618

  • SHA1

    d4ce3acc8b40a6880e5c57c9ec5844643413e312

  • SHA256

    64d7d58724fe40787f7fdcb2496f96206c538fb80c14fc8827f4e5af9a5c99c8

  • SHA512

    51f14f96d6935f336fd224319b1706f9a6d21251c568292574d564b28741ebae8647cb0fca737073ac763e3bd61a0c751538255671c542859d733494a0a566d9

Malware Config

Extracted

Family

njrat

Version

0.7d

Botnet

Run RunPE

Attributes
  • splitter

    |'|'|

Signatures

  • njRAT/Bladabindi

    Widely used RAT written in .NET.

  • suricata: ET MALWARE Generic njRAT/Bladabindi CnC Activity (ll)

    suricata: ET MALWARE Generic njRAT/Bladabindi CnC Activity (ll)

  • Suspicious use of SetThreadContext 1 IoCs
  • Suspicious use of AdjustPrivilegeToken 33 IoCs
  • Suspicious use of WriteProcessMemory 9 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\a7c7bb532823a6e7d4ace596f146c618.exe
    "C:\Users\Admin\AppData\Local\Temp\a7c7bb532823a6e7d4ace596f146c618.exe"
    1⤵
    • Suspicious use of SetThreadContext
    • Suspicious use of WriteProcessMemory
    PID:1936
    • C:\Windows\Microsoft.NET\Framework\v4.0.30319\MSBuild.exe
      "\Windows\Microsoft.NET\Framework\v4.0.30319\MSBuild.exe"
      2⤵
      • Suspicious use of AdjustPrivilegeToken
      PID:1744

Network

MITRE ATT&CK Matrix

Replay Monitor

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Downloads

  • memory/1744-57-0x0000000000400000-0x0000000000414000-memory.dmp
    Filesize

    80KB

  • memory/1744-58-0x000000000040FD1E-mapping.dmp
  • memory/1744-59-0x0000000000400000-0x0000000000414000-memory.dmp
    Filesize

    80KB

  • memory/1744-61-0x0000000004DF0000-0x0000000004DF1000-memory.dmp
    Filesize

    4KB

  • memory/1936-53-0x0000000000070000-0x0000000000071000-memory.dmp
    Filesize

    4KB

  • memory/1936-55-0x0000000004CC0000-0x0000000004CC1000-memory.dmp
    Filesize

    4KB

  • memory/1936-56-0x00000000004E0000-0x00000000004E7000-memory.dmp
    Filesize

    28KB