Overview

overview

10

Static

static

10

c17b66a12e...05.exe

windows7-x64

10

c17b66a12e...05.exe

windows10-2004-x64

10

Analysis

  • max time kernel
    150s
  • max time network
    153s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20220901-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20220901-enlocale:en-usos:windows10-2004-x64system
  • submitted
    21-11-2022 23:15

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General

  • Target

    c17b66a12e791fca50b3e62f2f20815525dfeb7887ec5c372de235738030e505.exe

  • Size

    29KB

  • MD5

    412a4768e2cf47a1dbf32b362193ad76

  • SHA1

    690276cf7eb3db18ead77f67bc6fbc89c0b47630

  • SHA256

    c17b66a12e791fca50b3e62f2f20815525dfeb7887ec5c372de235738030e505

  • SHA512

    1913175ef7ae1ca2715efc8328a85e572f7e82356c3c4f6ffdaf69db0e297d1ecdd7ce52f39062f99d02c4f647614e940bdaec4c7b88549480f924f70045aff3

  • SSDEEP

    768:Bqv/27NYsDkfXPoIqlHepBKh0p29SgRuG:wm7N1e3wEKhG29juG

Score
10/10
njrathackerevasionpersistencetrojan

Malware Config

Extracted

Family

njrat

Version

0.6.4

Botnet

HacKer

C2

197.205.191.254:1478

Mutex

5cd8f17f4086744065eb0992a09e05a2

Attributes
  • reg_key

    5cd8f17f4086744065eb0992a09e05a2

  • 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.

  • 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 45 IoCs
  • Suspicious use of AdjustPrivilegeToken 1 IoCs
  • Suspicious use of WriteProcessMemory 6 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\c17b66a12e791fca50b3e62f2f20815525dfeb7887ec5c372de235738030e505.exe
    "C:\Users\Admin\AppData\Local\Temp\c17b66a12e791fca50b3e62f2f20815525dfeb7887ec5c372de235738030e505.exe"
    1⤵
    • Checks computer location settings
    • Suspicious use of WriteProcessMemory
    PID:1376
    • C:\Users\Admin\AppData\Local\Temp\Trojan.exe
      "C:\Users\Admin\AppData\Local\Temp\Trojan.exe"
      2⤵
      • Executes dropped EXE
      • Adds Run key to start application
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      • Suspicious use of WriteProcessMemory
      PID:4244
      • C:\Windows\SysWOW64\netsh.exe
        netsh firewall add allowedprogram "C:\Users\Admin\AppData\Local\Temp\Trojan.exe" "Trojan.exe" ENABLE
        3⤵
        • Modifies Windows Firewall
        PID:3664

Network

MITRE ATT&CK Matrix ATT&CK v6

Initial Access

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

Collection

Exfiltration

Command and Control

Impact

Replay Monitor

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Downloads

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

    29KB

    MD5

    412a4768e2cf47a1dbf32b362193ad76

    SHA1

    690276cf7eb3db18ead77f67bc6fbc89c0b47630

    SHA256

    c17b66a12e791fca50b3e62f2f20815525dfeb7887ec5c372de235738030e505

    SHA512

    1913175ef7ae1ca2715efc8328a85e572f7e82356c3c4f6ffdaf69db0e297d1ecdd7ce52f39062f99d02c4f647614e940bdaec4c7b88549480f924f70045aff3

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

    29KB

    MD5

    412a4768e2cf47a1dbf32b362193ad76

    SHA1

    690276cf7eb3db18ead77f67bc6fbc89c0b47630

    SHA256

    c17b66a12e791fca50b3e62f2f20815525dfeb7887ec5c372de235738030e505

    SHA512

    1913175ef7ae1ca2715efc8328a85e572f7e82356c3c4f6ffdaf69db0e297d1ecdd7ce52f39062f99d02c4f647614e940bdaec4c7b88549480f924f70045aff3

    Download Submit
  • memory/1376-132-0x0000000074B50000-0x0000000075101000-memory.dmp
    Filesize

    5.7MB

    Download
  • memory/1376-136-0x0000000074B50000-0x0000000075101000-memory.dmp
    Filesize

    5.7MB

    Download
  • memory/3664-137-0x0000000000000000-mapping.dmp
    Download
  • memory/4244-133-0x0000000000000000-mapping.dmp
    Download
  • memory/4244-138-0x0000000074B50000-0x0000000075101000-memory.dmp
    Filesize

    5.7MB

    Download
  • memory/4244-139-0x0000000074B50000-0x0000000075101000-memory.dmp
    Filesize

    5.7MB

    Download