Overview

overview

10

Static

static

10

2ec216ece9...68.exe

windows7-x64

10

2ec216ece9...68.exe

windows10-2004-x64

10

Analysis

  • max time kernel
    202s
  • max time network
    210s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20220721-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20220721-enlocale:en-usos:windows10-2004-x64system
  • submitted
    31-07-2022 07:28

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General

  • Target

    2ec216ece9ee467410977fd5609cf4bd7010d543fec12adaaf831558ebc37968.exe

  • Size

    37KB

  • MD5

    d3f916f9afb68357c18681062a5c555b

  • SHA1

    a4bcd9cf1147a7543223be01ab26ba1dfe54c43c

  • SHA256

    2ec216ece9ee467410977fd5609cf4bd7010d543fec12adaaf831558ebc37968

  • SHA512

    884a0951ff96369bfc36d7622109b093443a45a3ee282374a5d59203411c4d263bf8145010314fa5579d8ea33cac48095b49a9412d1b84c95d903d76a0d951fa

Score
10/10
njrathackedevasionpersistencetrojan

Malware Config

Extracted

Family

njrat

Version

im523

Botnet

HacKed

C2

mikus293.ddns.net:8808

Mutex

d7d375792b8e083dc0d1f19bf087e819

Attributes
  • reg_key

    d7d375792b8e083dc0d1f19bf087e819

  • 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.

  • Drops startup file 2 IoCs
  • Adds Run key to start application 2 TTPs 2 IoCs
    persistence
  • Drops autorun.inf file 1 TTPs 3 IoCs

    Malware can abuse Windows Autorun to spread further via attached volumes.

  • 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 21 IoCs
  • Suspicious use of WriteProcessMemory 6 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\2ec216ece9ee467410977fd5609cf4bd7010d543fec12adaaf831558ebc37968.exe
    "C:\Users\Admin\AppData\Local\Temp\2ec216ece9ee467410977fd5609cf4bd7010d543fec12adaaf831558ebc37968.exe"
    1⤵
    • Checks computer location settings
    • Suspicious use of WriteProcessMemory
    PID:4572
    • C:\Users\Admin\AppData\Local\Temp\svchost.exe
      "C:\Users\Admin\AppData\Local\Temp\svchost.exe"
      2⤵
      • Executes dropped EXE
      • Drops startup file
      • Adds Run key to start application
      • Drops autorun.inf file
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious behavior: GetForegroundWindowSpam
      • Suspicious use of AdjustPrivilegeToken
      • Suspicious use of WriteProcessMemory
      PID:2420
      • C:\Windows\SysWOW64\netsh.exe
        netsh firewall add allowedprogram "C:\Users\Admin\AppData\Local\Temp\svchost.exe" "svchost.exe" ENABLE
        3⤵
        • Modifies Windows Firewall
        PID:4488

Network

MITRE ATT&CK Matrix ATT&CK v6

Initial Access

Replication Through Removable Media

1
T1091

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

Query Registry

1
T1012

System Information Discovery

2
T1082

Lateral Movement

Replication Through Removable Media

1
T1091

Collection

Exfiltration

Command and Control

Impact

Replay Monitor

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Downloads

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

    37KB

    MD5

    d3f916f9afb68357c18681062a5c555b

    SHA1

    a4bcd9cf1147a7543223be01ab26ba1dfe54c43c

    SHA256

    2ec216ece9ee467410977fd5609cf4bd7010d543fec12adaaf831558ebc37968

    SHA512

    884a0951ff96369bfc36d7622109b093443a45a3ee282374a5d59203411c4d263bf8145010314fa5579d8ea33cac48095b49a9412d1b84c95d903d76a0d951fa

    Download Submit
  • C:\Users\Admin\AppData\Local\Temp\svchost.exe
    Filesize

    37KB

    MD5

    d3f916f9afb68357c18681062a5c555b

    SHA1

    a4bcd9cf1147a7543223be01ab26ba1dfe54c43c

    SHA256

    2ec216ece9ee467410977fd5609cf4bd7010d543fec12adaaf831558ebc37968

    SHA512

    884a0951ff96369bfc36d7622109b093443a45a3ee282374a5d59203411c4d263bf8145010314fa5579d8ea33cac48095b49a9412d1b84c95d903d76a0d951fa

    Download Submit
  • memory/2420-132-0x0000000000000000-mapping.dmp
    Download
  • memory/2420-136-0x0000000074F00000-0x00000000754B1000-memory.dmp
    Filesize

    5.7MB

    Download
  • memory/2420-138-0x0000000074F00000-0x00000000754B1000-memory.dmp
    Filesize

    5.7MB

    Download
  • memory/4488-137-0x0000000000000000-mapping.dmp
    Download
  • memory/4572-130-0x0000000074F00000-0x00000000754B1000-memory.dmp
    Filesize

    5.7MB

    Download
  • memory/4572-131-0x0000000074F00000-0x00000000754B1000-memory.dmp
    Filesize

    5.7MB

    Download
  • memory/4572-135-0x0000000074F00000-0x00000000754B1000-memory.dmp
    Filesize

    5.7MB

    Download