General

  • Target

    ImmortaLFort.rar

  • Size

    11.5MB

  • Sample

    240419-1s4jyshd3t

  • MD5

    0e7c7aa36ec5edf8a42cd9ca5b68bd06

  • SHA1

    457c6d05f7289ab90590d9ec3fc84b6b2f0a97a6

  • SHA256

    f51422da0c91f9c2dcd1e87e61f0a59f64cd71915a006fd83f67be96e8cd31a5

  • SHA512

    e265e7f7ba57d90ff24c06af66e769cc2ed1c894f9aad05e75aae7d2281f672da3966950f016a6124eac12d903df0b0d7562cd8f151b9e8f334b2760f451444b

  • SSDEEP

    196608:iZ6TK8TtLDMZ9w0Ls+xpTtRg5zEFhsk1T9urdYE7tRPYA+tzNY2hixKXl/4lxk:iZ6tTtLDA7xpT5hv+RkpAK1/4bk

Malware Config

Extracted

Family

njrat

Version

Platinum

Botnet

MrSvch0st

C2

127.0.0.1:1337

Mutex

notpad.exe

Attributes
  • reg_key

    notpad.exe

  • splitter

    |Ghost|

Targets

    • Target

      ImmortaL/launcherimortal.exe

    • Size

      8.0MB

    • MD5

      27e834cd6f7f5f0d56a8c1f50d7c8ec9

    • SHA1

      edb4639e5b684ecc1a0d0b5676a890a58656c6e8

    • SHA256

      850be50676a9696f263611dfce1c11fea0c3cf211fef0b9f9fccadf500135435

    • SHA512

      3a99d21b87ad47801ee8fb81b90570daaac4d0f771963dab0c7f1b9e848e05b89a57b4c7e90d8753dc56cefcef4f5f8a122c12b1f51cfbb950e848f408b74087

    • SSDEEP

      49152:RTWfqjVmnGoZCIKmqeinNEn3JKaBZfeYy9VwjwXzl4V4Tu0sYDcXYTWfMsoPRfjd:KxHnaeiQ7BZG39

    • njRAT/Bladabindi

      Widely used RAT written in .NET.

    • Checks computer location settings

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

    • Drops startup file

    • Executes dropped EXE

    • Adds Run key to start application

    • Legitimate hosting services abused for malware hosting/C2

    • Suspicious use of SetThreadContext

MITRE ATT&CK Matrix ATT&CK v13

Execution

Scheduled Task/Job

1
T1053

Persistence

Boot or Logon Autostart Execution

1
T1547

Registry Run Keys / Startup Folder

1
T1547.001

Scheduled Task/Job

1
T1053

Privilege Escalation

Boot or Logon Autostart Execution

1
T1547

Registry Run Keys / Startup Folder

1
T1547.001

Scheduled Task/Job

1
T1053

Defense Evasion

Modify Registry

1
T1112

Discovery

Query Registry

3
T1012

System Information Discovery

3
T1082

Peripheral Device Discovery

1
T1120

Command and Control

Web Service

1
T1102

Tasks