General

  • Target

    75dccf21be33fb6ceb1c5b942bc71f9e7c8a0689bf956b9533c9333c298c646c

  • Size

    4.2MB

  • Sample

    230607-l2ql5aab4v

  • MD5

    991739dfaff5832b721e9c7acab1db9a

  • SHA1

    d5b03789569d6f8cdc0cd9bea00347f5eb7ae2a9

  • SHA256

    75dccf21be33fb6ceb1c5b942bc71f9e7c8a0689bf956b9533c9333c298c646c

  • SHA512

    307625130036db697d1af28f02679a228a777bfed7e02ee16cdf761ba97c8099ebb34cf1bbf695dbf85099df022dbc0847f5eb17d8e8338122abf09b2abfe944

  • SSDEEP

    98304:+dEol8irRkCGmAYaU1vro2lE6c40dn6DSM/RTS0A/0:+dNlhM1YazR6cRdDMJS5/0

Malware Config

Targets

    • Target

      75dccf21be33fb6ceb1c5b942bc71f9e7c8a0689bf956b9533c9333c298c646c

    • Size

      4.2MB

    • MD5

      991739dfaff5832b721e9c7acab1db9a

    • SHA1

      d5b03789569d6f8cdc0cd9bea00347f5eb7ae2a9

    • SHA256

      75dccf21be33fb6ceb1c5b942bc71f9e7c8a0689bf956b9533c9333c298c646c

    • SHA512

      307625130036db697d1af28f02679a228a777bfed7e02ee16cdf761ba97c8099ebb34cf1bbf695dbf85099df022dbc0847f5eb17d8e8338122abf09b2abfe944

    • SSDEEP

      98304:+dEol8irRkCGmAYaU1vro2lE6c40dn6DSM/RTS0A/0:+dNlhM1YazR6cRdDMJS5/0

    • Glupteba

      Glupteba is a modular loader written in Golang with various components.

    • Glupteba payload

    • Modifies Windows Firewall

    • Executes dropped EXE

    • 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.

    • Manipulates WinMonFS driver.

      Roottkits write to WinMonFS to hide directories/files from being detected.

    • Drops file in System32 directory

MITRE ATT&CK Matrix ATT&CK v6

Execution

Scheduled Task

1
T1053

Persistence

Modify Existing Service

1
T1031

Registry Run Keys / Startup Folder

1
T1060

Scheduled Task

1
T1053

Privilege Escalation

Scheduled Task

1
T1053

Defense Evasion

Modify Registry

1
T1112

Discovery

Query Registry

2
T1012

System Information Discovery

1
T1082

Tasks