General
Target

2dc8f08c0fa9a23adfb1420d40d8eca21e714c26231fc5fdba03f7a89f965f11

Size

103KB

Sample

220622-qzyxyafhfj

Score
10/10
MD5

0d7924f368e097b7215e3ceaebf63239

SHA1

c52b9ec4595c36c10155a1238ecfe6edff3b2b57

SHA256

2dc8f08c0fa9a23adfb1420d40d8eca21e714c26231fc5fdba03f7a89f965f11

SHA512

0bc7787b6cb275e092d433f947a7224eaf262fd8ee796e7ef7dddf19291d7887e9355ba796d3e1925cdb0cc0c9be6a5adca26673538ce1cbcaa1e4dd065d52d6

Malware Config

Extracted

Family

tofsee

C2

43.231.4.7

lazystax.ru

Targets
Target

2dc8f08c0fa9a23adfb1420d40d8eca21e714c26231fc5fdba03f7a89f965f11

MD5

0d7924f368e097b7215e3ceaebf63239

Filesize

103KB

Score
10/10
SHA1

c52b9ec4595c36c10155a1238ecfe6edff3b2b57

SHA256

2dc8f08c0fa9a23adfb1420d40d8eca21e714c26231fc5fdba03f7a89f965f11

SHA512

0bc7787b6cb275e092d433f947a7224eaf262fd8ee796e7ef7dddf19291d7887e9355ba796d3e1925cdb0cc0c9be6a5adca26673538ce1cbcaa1e4dd065d52d6

Tags

Signatures

  • Tofsee

    Description

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

    Tags

  • Creates new service(s)

    Tags

    TTPs

    New Service
  • Executes dropped EXE

  • Modifies Windows Firewall

    Tags

    TTPs

    Modify Existing Service
  • Sets service image path in registry

    Tags

    TTPs

    Registry Run Keys / Startup FolderModify Registry
  • Checks computer location settings

    Description

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

    TTPs

    Query RegistrySystem Information Discovery
  • Suspicious use of SetThreadContext

Related Tasks

MITRE ATT&CK Matrix
Collection
    Command and Control
      Credential Access
        Defense Evasion
        Execution
          Exfiltration
            Impact
              Initial Access
                Lateral Movement
                  Privilege Escalation
                    Tasks

                    static1

                    Score
                    N/A

                    behavioral1

                    Score
                    N/A

                    behavioral2

                    Score
                    10/10