General

  • Target

    23f32f21c19d22034be2c95d2b4f560612b1002a8978529f2093c03c897911d8

  • Size

    223KB

  • Sample

    231207-ym1j1afc23

  • MD5

    aa7c1437997a0f1c1ae8d07ff907135a

  • SHA1

    9a7e53855be3996f35854572cc5d9867e734f260

  • SHA256

    23f32f21c19d22034be2c95d2b4f560612b1002a8978529f2093c03c897911d8

  • SHA512

    df285ebbbcf74a70aa5a60ed6f116b5b2d0799db321a4abb69ac19bbedab7ea1727a2ea7c1cd3f0d4626d59f200de0ce1d9a3b3f9616c371c54e8b90ebab765e

  • SSDEEP

    3072:xZ7wXfSRZ0ON/EwW66wN94xu4CkAZJM2k5D66L+NfGbVON2Nqi/6gS5UoWXHz72n:7wPSUONLNsuWA7koN+boRi9S6oiz72D

Score
10/10

Malware Config

Targets

    • Target

      23f32f21c19d22034be2c95d2b4f560612b1002a8978529f2093c03c897911d8

    • Size

      223KB

    • MD5

      aa7c1437997a0f1c1ae8d07ff907135a

    • SHA1

      9a7e53855be3996f35854572cc5d9867e734f260

    • SHA256

      23f32f21c19d22034be2c95d2b4f560612b1002a8978529f2093c03c897911d8

    • SHA512

      df285ebbbcf74a70aa5a60ed6f116b5b2d0799db321a4abb69ac19bbedab7ea1727a2ea7c1cd3f0d4626d59f200de0ce1d9a3b3f9616c371c54e8b90ebab765e

    • SSDEEP

      3072:xZ7wXfSRZ0ON/EwW66wN94xu4CkAZJM2k5D66L+NfGbVON2Nqi/6gS5UoWXHz72n:7wPSUONLNsuWA7koN+boRi9S6oiz72D

    Score
    10/10
    • Suspicious use of NtCreateUserProcessOtherParentProcess

    • Drops file in Drivers directory

    • Checks computer location settings

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

    • Deletes itself

    • Executes dropped EXE

    • Loads dropped DLL

    • Modifies file permissions

    • UPX packed file

      Detects executables packed with UPX/modified UPX open source packer.

    • Unexpected DNS network traffic destination

      Network traffic to other servers than the configured DNS servers was detected on the DNS port.

    • VMProtect packed file

      Detects executables packed with VMProtect commercial packer.

    • Drops file in System32 directory

MITRE ATT&CK Matrix ATT&CK v13

Defense Evasion

File and Directory Permissions Modification

1
T1222

Subvert Trust Controls

1
T1553

Install Root Certificate

1
T1553.004

Modify Registry

1
T1112

Discovery

Query Registry

2
T1012

System Information Discovery

3
T1082

Peripheral Device Discovery

1
T1120

Tasks