General

  • Target

    7340cd1358bb972e66d93aa4a8eb17d285e6fd36c2c99bb5016cc5f74e23de48

  • Size

    328KB

  • Sample

    220121-adflgacddr

  • MD5

    c7f252b9e6aa351a7ac391774d375645

  • SHA1

    be2b7b03a0968add03812376913dc577a62a34fe

  • SHA256

    7340cd1358bb972e66d93aa4a8eb17d285e6fd36c2c99bb5016cc5f74e23de48

  • SHA512

    c3200383040ff7b6bdb4c25d5bff2bab691ae9715216f98508e0e70dd180c3a51d3f2434e03f9bb339bdd89981964ebcdcaa047b7e1f89d05fa8ea5480ae06aa

Malware Config

Extracted

Family

tofsee

C2

patmushta.info

ovicrush.cn

Targets

    • Target

      7340cd1358bb972e66d93aa4a8eb17d285e6fd36c2c99bb5016cc5f74e23de48

    • Size

      328KB

    • MD5

      c7f252b9e6aa351a7ac391774d375645

    • SHA1

      be2b7b03a0968add03812376913dc577a62a34fe

    • SHA256

      7340cd1358bb972e66d93aa4a8eb17d285e6fd36c2c99bb5016cc5f74e23de48

    • SHA512

      c3200383040ff7b6bdb4c25d5bff2bab691ae9715216f98508e0e70dd180c3a51d3f2434e03f9bb339bdd89981964ebcdcaa047b7e1f89d05fa8ea5480ae06aa

    • Tofsee

      Backdoor/botnet which carries out malicious activities based on commands from a C2 server.

    • Windows security bypass

    • xmrig

      XMRig is a high performance, open source, cross platform CPU/GPU miner.

    • XMRig Miner Payload

    • Creates new service(s)

    • Executes dropped EXE

    • Modifies Windows Firewall

    • Sets service image path in registry

    • Deletes itself

    • Drops file in System32 directory

    • Suspicious use of SetThreadContext

MITRE ATT&CK Matrix ATT&CK v6

Persistence

New Service

1
T1050

Modify Existing Service

1
T1031

Registry Run Keys / Startup Folder

1
T1060

Privilege Escalation

New Service

1
T1050

Defense Evasion

Disabling Security Tools

1
T1089

Modify Registry

2
T1112

Discovery

System Information Discovery

1
T1082

Tasks