Overview

overview

10

Static

static

10

ab71d3024b...bd.exe

windows7_x64

10

ab71d3024b...bd.exe

windows10_x64

10

Analysis

  • max time kernel
    151s
  • max time network
    150s
  • platform
    windows10_x64
  • resource
    win10-en-20211208
  • submitted
    20-12-2021 06:37

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General

  • Target

    ab71d3024ba35c9025ead27b28c075bd.exe

  • Size

    93KB

  • MD5

    ab71d3024ba35c9025ead27b28c075bd

  • SHA1

    67a1c777aa8dc845de80ac5da0c26088bccbf838

  • SHA256

    707fef4235cf1842dd9090a412f0b986d5901e5a7728c89804eebdaad40c2468

  • SHA512

    cf3f96595170102d21b597d2cbb692844c960ec3ed8acdc3b37e5421cd4dc26cab2c3e903773f2ffa03c443fec06f3d18520d4b2fd0fa3d8c8eb7ef2fe9febaf

Score
10/10
njrathackedevasionsuricatatrojan

Malware Config

Extracted

Family

njrat

Version

0.7d

Botnet

HacKed

C2

OC50Y3Aubmdyb2suaW8Strik:MTQ3Mjk=

Mutex

54d823e4dec41df2d9207ed10cdce4f6

Attributes
  • reg_key

    54d823e4dec41df2d9207ed10cdce4f6

  • splitter

    |'|'|

Signatures

  • njRAT/Bladabindi

    Widely used RAT written in .NET.

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

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

    suricata
  • Executes dropped EXE 1 IoCs
  • Modifies Windows Firewall 1 TTPs
    evasion
  • Drops startup file 4 IoCs
  • Enumerates physical storage devices 1 TTPs

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

  • Suspicious behavior: GetForegroundWindowSpam 1 IoCs
  • Suspicious use of AdjustPrivilegeToken 37 IoCs
  • Suspicious use of WriteProcessMemory 6 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\ab71d3024ba35c9025ead27b28c075bd.exe
    "C:\Users\Admin\AppData\Local\Temp\ab71d3024ba35c9025ead27b28c075bd.exe"
    1⤵
    • Suspicious use of WriteProcessMemory
    PID:2764
    • C:\Users\Admin\AppData\Local\Temp\server.exe
      "C:\Users\Admin\AppData\Local\Temp\server.exe"
      2⤵
      • Executes dropped EXE
      • Drops startup file
      • Suspicious behavior: GetForegroundWindowSpam
      • Suspicious use of AdjustPrivilegeToken
      • Suspicious use of WriteProcessMemory
      PID:1328
      • C:\Windows\SysWOW64\netsh.exe
        netsh firewall add allowedprogram "C:\Users\Admin\AppData\Local\Temp\server.exe" "server.exe" ENABLE
        3⤵
          PID:652

    Network

    MITRE ATT&CK Matrix ATT&CK v6

    Initial Access

    Execution

    Persistence

    Modify Existing Service

    1
    T1031

    Privilege Escalation

    Defense Evasion

    Credential Access

    Discovery

    System Information Discovery

    1
    T1082

    Lateral Movement

    Collection

    Exfiltration

    Command and Control

    Impact

    Replay Monitor

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    Downloads

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

      ab71d3024ba35c9025ead27b28c075bd

      SHA1

      67a1c777aa8dc845de80ac5da0c26088bccbf838

      SHA256

      707fef4235cf1842dd9090a412f0b986d5901e5a7728c89804eebdaad40c2468

      SHA512

      cf3f96595170102d21b597d2cbb692844c960ec3ed8acdc3b37e5421cd4dc26cab2c3e903773f2ffa03c443fec06f3d18520d4b2fd0fa3d8c8eb7ef2fe9febaf

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

      ab71d3024ba35c9025ead27b28c075bd

      SHA1

      67a1c777aa8dc845de80ac5da0c26088bccbf838

      SHA256

      707fef4235cf1842dd9090a412f0b986d5901e5a7728c89804eebdaad40c2468

      SHA512

      cf3f96595170102d21b597d2cbb692844c960ec3ed8acdc3b37e5421cd4dc26cab2c3e903773f2ffa03c443fec06f3d18520d4b2fd0fa3d8c8eb7ef2fe9febaf

      Download Submit
    • C:\Users\Admin\AppData\Roaming\app
      MD5

      311d687faffaed10f44ea27c024986b6

      SHA1

      eece910ea8cb7aed467e2e7700f7c223d3fbbc9e

      SHA256

      608547d80bf0e4b3d9cfffd324702b4aa38db2f0bfb3db4bd517b556fdf4de2b

      SHA512

      296d2cbbbf39917b174682a73e571a98130b2fe1c2dcb7c84adbd185a0b3a81384ad556e3a88cdeaa01fbd5cb486c58c1e1dff22f77cd3e9df7315b93355272b

      Download Submit
    • memory/652-121-0x0000000000000000-mapping.dmp
      Download
    • memory/1328-116-0x0000000000000000-mapping.dmp
      Download
    • memory/1328-120-0x0000000002C00000-0x0000000002C01000-memory.dmp
      Filesize

      4KB

      Download
    • memory/2764-115-0x0000000000A40000-0x0000000000A41000-memory.dmp
      Filesize

      4KB

      Download