Overview

overview

10

Static

static

10

539a1c84e8...6b.exe

windows7-x64

10

539a1c84e8...6b.exe

windows10-2004-x64

10

Sharing

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General

  • Target

    539a1c84e8f25f54c520bbf48b4aab6b.exe

  • Size

    159KB

  • Sample

    221203-bc75rsec9w

  • MD5

    539a1c84e8f25f54c520bbf48b4aab6b

  • SHA1

    45872ded1cda755c5221958332e9863680b992e2

  • SHA256

    79c358be65277404a46eab5f2eaa0d2938a70ba55a2396c4957bddf7699b441f

  • SHA512

    98fd44c98796321528cddece682fc78fdd91b650da6fca6c4e976db4fecc7b775015868eb549c5d626a359e293930a55511026db2bed7a884b02279575eb0720

  • SSDEEP

    3072:HcXCfxe+yJJFy5K7u77HeoT1V0Qh634VHyaJl1lH5:8XCloqKO1hJl1lH5

Score
10/10
njrathackedevasionpersistencetrojan

Malware Config

Extracted

Family

njrat

Version

im523

Botnet

HacKed

C2

181.214.130.17:50100

Mutex

0c829ad93254e4900c3b4ce264339d97

Attributes
  • reg_key

    0c829ad93254e4900c3b4ce264339d97

  • splitter

    |'|'|

Targets

    • Target

      539a1c84e8f25f54c520bbf48b4aab6b.exe

    • Size

      159KB

    • MD5

      539a1c84e8f25f54c520bbf48b4aab6b

    • SHA1

      45872ded1cda755c5221958332e9863680b992e2

    • SHA256

      79c358be65277404a46eab5f2eaa0d2938a70ba55a2396c4957bddf7699b441f

    • SHA512

      98fd44c98796321528cddece682fc78fdd91b650da6fca6c4e976db4fecc7b775015868eb549c5d626a359e293930a55511026db2bed7a884b02279575eb0720

    • SSDEEP

      3072:HcXCfxe+yJJFy5K7u77HeoT1V0Qh634VHyaJl1lH5:8XCloqKO1hJl1lH5

    Score
    10/10
    njrathackedevasionpersistencetrojan

    • njRAT/Bladabindi

      Widely used RAT written in .NET.

      trojannjrat

    • Executes dropped EXE

    • Modifies Windows Firewall

      evasion

    • Checks computer location settings

      Looks up country code configured in the registry, likely geofence.

    • Drops startup file

    • Adds Run key to start application

      persistence

    • Drops autorun.inf file

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

    behavioral1behavioral2

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

Tasks