General
Target

26fecf1195260776450f0fc1a4a7faa5e2de5910bbcfbe606b02fe8a3c8f9d6f

Size

313KB

Sample

220620-pf8scsdadk

Score
10/10
MD5

ecab8bbbca913bf3ded8d146df4e0f1a

SHA1

b01463b47f9c7df353c8178c91b0fadbfcc06556

SHA256

26fecf1195260776450f0fc1a4a7faa5e2de5910bbcfbe606b02fe8a3c8f9d6f

SHA512

2b726f7cf9ccbe840a2cd96257fa343ef321879564b66a8100b718cf2d2abc600cdaa4cad4294aead4c3fa43924703b16537bb6bf98e91817be9d54c37ed11b5

Malware Config

Extracted

Family

tofsee

C2

svartalfheim.top

jotunheim.name

Targets
Target

26fecf1195260776450f0fc1a4a7faa5e2de5910bbcfbe606b02fe8a3c8f9d6f

MD5

ecab8bbbca913bf3ded8d146df4e0f1a

Filesize

313KB

Score
10/10
SHA1

b01463b47f9c7df353c8178c91b0fadbfcc06556

SHA256

26fecf1195260776450f0fc1a4a7faa5e2de5910bbcfbe606b02fe8a3c8f9d6f

SHA512

2b726f7cf9ccbe840a2cd96257fa343ef321879564b66a8100b718cf2d2abc600cdaa4cad4294aead4c3fa43924703b16537bb6bf98e91817be9d54c37ed11b5

Tags

Signatures

  • Tofsee

    Description

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

    Tags

  • xmrig

    Description

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

    Tags

  • XMRig Miner Payload

    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
  • Drops file in System32 directory

  • 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