General
Target

63263a6a2a9455c1159d95e2afd705167219e9f35ad5d59ef186e25ab02ba1cb

Size

313KB

Sample

220620-tfhndsedgm

Score
10/10
MD5

b440d803ab42f31567a4d4d61aa4ef94

SHA1

232319681df1e403b35fb69d95bd1dfce23b600f

SHA256

63263a6a2a9455c1159d95e2afd705167219e9f35ad5d59ef186e25ab02ba1cb

SHA512

78808ce22660e9e75615f0aa55e6e74e668d7b7689b020a1b54e7114a3746230ebc8da96882440c89304d50bf135796ad972be0ea3ff7a1237721587d07af497

Malware Config

Extracted

Family

tofsee

C2

svartalfheim.top

jotunheim.name

Targets
Target

63263a6a2a9455c1159d95e2afd705167219e9f35ad5d59ef186e25ab02ba1cb

MD5

b440d803ab42f31567a4d4d61aa4ef94

Filesize

313KB

Score
10/10
SHA1

232319681df1e403b35fb69d95bd1dfce23b600f

SHA256

63263a6a2a9455c1159d95e2afd705167219e9f35ad5d59ef186e25ab02ba1cb

SHA512

78808ce22660e9e75615f0aa55e6e74e668d7b7689b020a1b54e7114a3746230ebc8da96882440c89304d50bf135796ad972be0ea3ff7a1237721587d07af497

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