General

  • Target

    ElgybBuXUAAnr_p.png

  • Size

    3.2MB

  • Sample

    240424-l8ajgsgf9w

  • MD5

    617c7c5b670606b35dcb3cc66d7bc6ca

  • SHA1

    07004b5b4f304ad49bce694c8cbeade05b88e262

  • SHA256

    faf8f7054ae8565a7b6e79dbb3d1f96ede60fa9623412114c2d37a3040e4f91d

  • SHA512

    c56d64699f4fbe9a92239e6c5393e41da9e070a125ca724c3cc560442759a162ed621e0911cadeba30a586217472e24b9404f8c68848520d06746180585adadb

  • SSDEEP

    98304:oBNd275jXN1826SKNQ0wnZTrMdEA00vLVD:iC82rcwnZTrOEhgLVD

Malware Config

Targets

    • Target

      ElgybBuXUAAnr_p.png

    • Size

      3.2MB

    • MD5

      617c7c5b670606b35dcb3cc66d7bc6ca

    • SHA1

      07004b5b4f304ad49bce694c8cbeade05b88e262

    • SHA256

      faf8f7054ae8565a7b6e79dbb3d1f96ede60fa9623412114c2d37a3040e4f91d

    • SHA512

      c56d64699f4fbe9a92239e6c5393e41da9e070a125ca724c3cc560442759a162ed621e0911cadeba30a586217472e24b9404f8c68848520d06746180585adadb

    • SSDEEP

      98304:oBNd275jXN1826SKNQ0wnZTrMdEA00vLVD:iC82rcwnZTrOEhgLVD

    • Cobalt Strike reflective loader

      Detects the reflective loader used by Cobalt Strike.

    • Cobaltstrike

      Detected malicious payload which is part of Cobaltstrike.

    • Detect ZGRat V1

    • ZGRat

      ZGRat is remote access trojan written in C#.

    • Downloads MZ/PE file

    • Drops file in Drivers directory

    • Checks BIOS information in registry

      BIOS information is often read in order to detect sandboxing environments.

    • Checks computer location settings

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

    • Executes dropped EXE

    • 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 for any installed AV software in registry

    • 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.

    • Writes to the Master Boot Record (MBR)

      Bootkits write to the MBR to gain persistence at a level below the operating system.

    • AutoIT Executable

      AutoIT scripts compiled to PE executables.

    • Drops file in System32 directory

MITRE ATT&CK Matrix ATT&CK v13

Persistence

Boot or Logon Autostart Execution

1
T1547

Registry Run Keys / Startup Folder

1
T1547.001

Pre-OS Boot

1
T1542

Bootkit

1
T1542.003

Privilege Escalation

Boot or Logon Autostart Execution

1
T1547

Registry Run Keys / Startup Folder

1
T1547.001

Defense Evasion

Modify Registry

2
T1112

Pre-OS Boot

1
T1542

Bootkit

1
T1542.003

Subvert Trust Controls

1
T1553

Install Root Certificate

1
T1553.004

Credential Access

Unsecured Credentials

1
T1552

Credentials In Files

1
T1552.001

Discovery

Query Registry

8
T1012

System Information Discovery

7
T1082

Software Discovery

1
T1518

Security Software Discovery

1
T1518.001

Peripheral Device Discovery

2
T1120

Collection

Data from Local System

1
T1005

Tasks