Overview

overview

10

Static

static

10

C241359BB1...F4.exe

windows7-x64

10

C241359BB1...F4.exe

windows10-2004-x64

10

Analysis

  • max time kernel
    149s
  • max time network
    152s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20220812-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20220812-enlocale:en-usos:windows10-2004-x64system
  • submitted
    26-09-2022 14:41

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General

  • Target

    C241359BB16C2F829556A085615E945964F419C8B6BF4.exe

  • Size

    37KB

  • MD5

    baa72f0a4d0ec5929523d963530f918c

  • SHA1

    69c59ca8edc4f143dabfb5b886ac134feae552ee

  • SHA256

    c241359bb16c2f829556a085615e945964f419c8b6bf4fe057e074a42debc61d

  • SHA512

    56e429c2590c290d7ecfcdfca5d219a51a9d00b61909483faca4cd4ba9dd9de250303e38d02198d1ae77ebd87207ba8d3c84d77ecb80cc17fcd6b975684b30c6

  • SSDEEP

    384:Tqick7sgwi+tx3+j/NSyszg8QPBI3mmTlrAF+rMRTyN/0L+EcoinblneHQM3epzn:W5kQLCNhszg8QeWmBrM+rMRa8NuujQt

Score
10/10
njrathackedevasiontrojan

Malware Config

Extracted

Family

njrat

Version

im523

Botnet

HacKed

C2

2.tcp.ngrok.io:15117

Mutex

0235ee83238daee159f7e9875fd5f233

Attributes
  • reg_key

    0235ee83238daee159f7e9875fd5f233

  • 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.

  • Enumerates physical storage devices 1 TTPs

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

  • Suspicious use of AdjustPrivilegeToken 35 IoCs
  • Suspicious use of WriteProcessMemory 6 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\C241359BB16C2F829556A085615E945964F419C8B6BF4.exe
    "C:\Users\Admin\AppData\Local\Temp\C241359BB16C2F829556A085615E945964F419C8B6BF4.exe"
    1⤵
    • Checks computer location settings
    • Suspicious use of WriteProcessMemory
    PID:4588
    • C:\Users\Admin\AppData\Local\Temp\server.exe
      "C:\Users\Admin\AppData\Local\Temp\server.exe"
      2⤵
      • Executes dropped EXE
      • Suspicious use of AdjustPrivilegeToken
      • Suspicious use of WriteProcessMemory
      PID:3316
      • C:\Windows\SysWOW64\netsh.exe
        netsh firewall add allowedprogram "C:\Users\Admin\AppData\Local\Temp\server.exe" "server.exe" ENABLE
        3⤵
        • Modifies Windows Firewall
        PID:4896

Network

MITRE ATT&CK Matrix ATT&CK v6

Initial Access

Execution

Persistence

Modify Existing Service

1
T1031

Privilege Escalation

Defense Evasion

Credential Access

Discovery

Query Registry

1
T1012

System Information Discovery

2
T1082

Lateral Movement

Collection

Exfiltration

Command and Control

Impact

Replay Monitor

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Downloads

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

    37KB

    MD5

    baa72f0a4d0ec5929523d963530f918c

    SHA1

    69c59ca8edc4f143dabfb5b886ac134feae552ee

    SHA256

    c241359bb16c2f829556a085615e945964f419c8b6bf4fe057e074a42debc61d

    SHA512

    56e429c2590c290d7ecfcdfca5d219a51a9d00b61909483faca4cd4ba9dd9de250303e38d02198d1ae77ebd87207ba8d3c84d77ecb80cc17fcd6b975684b30c6

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

    37KB

    MD5

    baa72f0a4d0ec5929523d963530f918c

    SHA1

    69c59ca8edc4f143dabfb5b886ac134feae552ee

    SHA256

    c241359bb16c2f829556a085615e945964f419c8b6bf4fe057e074a42debc61d

    SHA512

    56e429c2590c290d7ecfcdfca5d219a51a9d00b61909483faca4cd4ba9dd9de250303e38d02198d1ae77ebd87207ba8d3c84d77ecb80cc17fcd6b975684b30c6

    Download Submit
  • memory/3316-133-0x0000000000000000-mapping.dmp
    Download
  • memory/3316-137-0x0000000075360000-0x0000000075911000-memory.dmp
    Filesize

    5.7MB

    Download
  • memory/3316-139-0x0000000075360000-0x0000000075911000-memory.dmp
    Filesize

    5.7MB

    Download
  • memory/4588-132-0x0000000075360000-0x0000000075911000-memory.dmp
    Filesize

    5.7MB

    Download
  • memory/4588-136-0x0000000075360000-0x0000000075911000-memory.dmp
    Filesize

    5.7MB

    Download
  • memory/4896-138-0x0000000000000000-mapping.dmp
    Download