General

  • Target

    QQPCDownload1726.exe

  • Size

    1.2MB

  • Sample

    210906-hgglyadgbk

  • MD5

    010ce02a531123766140c241b62dba0a

  • SHA1

    3d7cfa3422b5dc2776f54c088de6bc513f71c757

  • SHA256

    e4e0f491d1a623421f29cf888401e02de72c8c7eeebc2519140bb91cdd7ab447

  • SHA512

    51cb6807506c79500d2fbd96c073a5926a3442af6fed21bdb5981d4996a2a072046ed883d7dac7a5795461e800e6ff0ec2de97583a33527b63bf50eeb1c59066

Malware Config

Targets

    • Target

      QQPCDownload1726.exe

    • Size

      1.2MB

    • MD5

      010ce02a531123766140c241b62dba0a

    • SHA1

      3d7cfa3422b5dc2776f54c088de6bc513f71c757

    • SHA256

      e4e0f491d1a623421f29cf888401e02de72c8c7eeebc2519140bb91cdd7ab447

    • SHA512

      51cb6807506c79500d2fbd96c073a5926a3442af6fed21bdb5981d4996a2a072046ed883d7dac7a5795461e800e6ff0ec2de97583a33527b63bf50eeb1c59066

    • Modifies system executable filetype association

    • Registers COM server for autorun

    • Checks for common network interception software

      Looks in the registry for tools like Wireshark or Fiddler commonly used to analyze network activity.

    • Identifies VirtualBox via ACPI registry values (likely anti-VM)

    • Downloads MZ/PE file

    • Drops file in Drivers directory

    • Executes dropped EXE

    • Sets service image path in registry

    • Checks computer location settings

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

    • Loads dropped DLL

    • Modifies file permissions

    • 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.

    • Checks whether UAC is enabled

    • Installs/modifies Browser Helper Object

      BHOs are DLL modules which act as plugins for Internet Explorer.

    • Writes to the Master Boot Record (MBR)

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

    • Drops file in System32 directory

MITRE ATT&CK Matrix ATT&CK v6

Persistence

Change Default File Association

1
T1042

Registry Run Keys / Startup Folder

3
T1060

Browser Extensions

1
T1176

Bootkit

1
T1067

Defense Evasion

Modify Registry

7
T1112

Virtualization/Sandbox Evasion

1
T1497

File Permissions Modification

1
T1222

Install Root Certificate

1
T1130

Discovery

Software Discovery

1
T1518

Query Registry

4
T1012

Virtualization/Sandbox Evasion

1
T1497

System Information Discovery

4
T1082

Tasks