General

  • Target

    Express Vpn Cracked.exe

  • Size

    36.3MB

  • Sample

    210807-3ml51a74le

  • MD5

    4544b2f40af00c61376c030f0e102d98

  • SHA1

    05824e0ec140e56fb066f7fffbcd79b6dadfdbf1

  • SHA256

    5ee49e2433a68b616317e190b5a53840e58455dfccda71e4b9f6e727a3b7a7fd

  • SHA512

    785ee454b9ae81714241ee7df9fa38e6e5e5f7a377e4ebff6d33fdf86b51b3805f13ecb0a2cdf5e24be06ebe17d3d7dd349be83bb005284d56305475654220a0

Malware Config

Extracted

Family

njrat

Version

0.7d

Botnet

happy

C2

alcachofa724-46937.portmap.host:46937

Mutex

b2cfa0ba1b27be996957c11e1bf6a214

Attributes
  • reg_key

    b2cfa0ba1b27be996957c11e1bf6a214

  • splitter

    |'|'|

Targets

    • Target

      Express Vpn Cracked.exe

    • Size

      36.3MB

    • MD5

      4544b2f40af00c61376c030f0e102d98

    • SHA1

      05824e0ec140e56fb066f7fffbcd79b6dadfdbf1

    • SHA256

      5ee49e2433a68b616317e190b5a53840e58455dfccda71e4b9f6e727a3b7a7fd

    • SHA512

      785ee454b9ae81714241ee7df9fa38e6e5e5f7a377e4ebff6d33fdf86b51b3805f13ecb0a2cdf5e24be06ebe17d3d7dd349be83bb005284d56305475654220a0

    • Poullight

      Poullight is an information stealer first seen in March 2020.

    • Poullight Stealer Payload

    • Registers COM server for autorun

    • Suspicious use of NtCreateProcessExOtherParentProcess

    • Suspicious use of NtCreateUserProcessOtherParentProcess

    • njRAT/Bladabindi

      Widely used RAT written in .NET.

    • suricata: ET MALWARE Trojan Generic - POST To gate.php with no accept headers

      suricata: ET MALWARE Trojan Generic - POST To gate.php with no accept headers

    • suricata: ET MALWARE Trojan Generic - POST To gate.php with no referer

      suricata: ET MALWARE Trojan Generic - POST To gate.php with no referer

    • Blocklisted process makes network request

    • Executes dropped EXE

    • Modifies Windows Firewall

    • Checks computer location settings

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

    • Drops startup file

    • Loads dropped DLL

    • Reads user/profile data of web browsers

      Infostealers often target stored browser data, which can include saved credentials etc.

    • Adds Run key to start application

    • Checks installed software on the system

      Looks up Uninstall key entries in the registry to enumerate software on the system.

    • Enumerates connected drives

      Attempts to read the root path of hard drives other than the default C: drive.

MITRE ATT&CK Matrix ATT&CK v6

Persistence

Registry Run Keys / Startup Folder

2
T1060

Modify Existing Service

1
T1031

Defense Evasion

Modify Registry

2
T1112

Install Root Certificate

1
T1130

Credential Access

Credentials in Files

1
T1081

Discovery

Query Registry

4
T1012

System Information Discovery

4
T1082

Peripheral Device Discovery

2
T1120

Collection

Data from Local System

1
T1005

Tasks