General

  • Target

    add8d95ef5d7841053b6ad4be0c945e08f33ead91e3d8739096259a803ff7bd9

  • Size

    176KB

  • Sample

    211126-tgnwssddaj

  • MD5

    841f580ad01f6fb7e77d4f5548c904e1

  • SHA1

    bd9e6f033297b83e5017c829d711489d41b941a3

  • SHA256

    add8d95ef5d7841053b6ad4be0c945e08f33ead91e3d8739096259a803ff7bd9

  • SHA512

    782771e39e06072ee4ea2669f54cdd9815bb0f08bf3b0a7edd46d75d2e206bbb2d069413a71fa96533ca11426f348bd33e9b6217a5fc2a4c0d54055995beaac1

Malware Config

Extracted

Family

tofsee

C2

quadoil.ru

lakeflex.ru

Targets

    • Target

      add8d95ef5d7841053b6ad4be0c945e08f33ead91e3d8739096259a803ff7bd9

    • Size

      176KB

    • MD5

      841f580ad01f6fb7e77d4f5548c904e1

    • SHA1

      bd9e6f033297b83e5017c829d711489d41b941a3

    • SHA256

      add8d95ef5d7841053b6ad4be0c945e08f33ead91e3d8739096259a803ff7bd9

    • SHA512

      782771e39e06072ee4ea2669f54cdd9815bb0f08bf3b0a7edd46d75d2e206bbb2d069413a71fa96533ca11426f348bd33e9b6217a5fc2a4c0d54055995beaac1

    • Tofsee

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

    • Windows security bypass

    • suricata: ET MALWARE DNS Query Sinkhole Domain Various Families (Possible Infected Host)

      suricata: ET MALWARE DNS Query Sinkhole Domain Various Families (Possible Infected Host)

    • 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