General

  • Target

    PrismLauncher-Windows-MSVC-Setup-6.3.exe

  • Size

    15.5MB

  • Sample

    230324-yhkb8abb4x

  • MD5

    cdafdb2c5d1671ec3953b32172ccdb80

  • SHA1

    06ca76295dd916a1f12a9f34a088426450a643ce

  • SHA256

    f0dbf35b026acb481bb42d8fc6155d952c521792ebc1bdd52e3152342a317f92

  • SHA512

    4a09c540a3c831453af56613c2a8272a4c15d661f0e3c8343488c2606e7c594783e888ae2d5521a12a0736f6bb922a74751f1f36fd25a24281e59528e10c96fa

  • SSDEEP

    196608:LCiFgS9OWiVxhbStnh3nDohlG3fxkIIdfwbdo0ctmVwKyZCGdYcpH84aPsX0Twfu:LbgYohEhqk3ARw0moC6bNFX/DX+DtGJS

Malware Config

Targets

    • Target

      PrismLauncher-Windows-MSVC-Setup-6.3.exe

    • Size

      15.5MB

    • MD5

      cdafdb2c5d1671ec3953b32172ccdb80

    • SHA1

      06ca76295dd916a1f12a9f34a088426450a643ce

    • SHA256

      f0dbf35b026acb481bb42d8fc6155d952c521792ebc1bdd52e3152342a317f92

    • SHA512

      4a09c540a3c831453af56613c2a8272a4c15d661f0e3c8343488c2606e7c594783e888ae2d5521a12a0736f6bb922a74751f1f36fd25a24281e59528e10c96fa

    • SSDEEP

      196608:LCiFgS9OWiVxhbStnh3nDohlG3fxkIIdfwbdo0ctmVwKyZCGdYcpH84aPsX0Twfu:LbgYohEhqk3ARw0moC6bNFX/DX+DtGJS

    • Downloads MZ/PE file

    • Checks computer location settings

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

    • Executes dropped EXE

    • Loads dropped DLL

    • Registers COM server for autorun

    • 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.

    • Installs/modifies Browser Helper Object

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

MITRE ATT&CK Matrix ATT&CK v6

Persistence

Registry Run Keys / Startup Folder

2
T1060

Browser Extensions

1
T1176

Defense Evasion

Modify Registry

4
T1112

Install Root Certificate

1
T1130

Discovery

Query Registry

5
T1012

System Information Discovery

5
T1082

Peripheral Device Discovery

1
T1120

Tasks