General

  • Target

    cca7e4d4b8f7b7f40d8492d2dc8a224d22630a3a51d9ddbff39bc9db12ca5ad3

  • Size

    267KB

  • Sample

    220123-mva4jafher

  • MD5

    0dd37e331ca230ccfb13a7c4b5509d6e

  • SHA1

    bba35d4df7631d0101c78cbd208ae35138a8ee6e

  • SHA256

    cca7e4d4b8f7b7f40d8492d2dc8a224d22630a3a51d9ddbff39bc9db12ca5ad3

  • SHA512

    dd6f68492bf20edf781b009fd202f8ebc154c0f026487895c36a69f197956f9aacdd49391b77288262c16b4c3375242fe00cfe64fb70929a968f402862eb15ae

Malware Config

Extracted

Family

tofsee

C2

patmushta.info

ovicrush.cn

Targets

    • Target

      cca7e4d4b8f7b7f40d8492d2dc8a224d22630a3a51d9ddbff39bc9db12ca5ad3

    • Size

      267KB

    • MD5

      0dd37e331ca230ccfb13a7c4b5509d6e

    • SHA1

      bba35d4df7631d0101c78cbd208ae35138a8ee6e

    • SHA256

      cca7e4d4b8f7b7f40d8492d2dc8a224d22630a3a51d9ddbff39bc9db12ca5ad3

    • SHA512

      dd6f68492bf20edf781b009fd202f8ebc154c0f026487895c36a69f197956f9aacdd49391b77288262c16b4c3375242fe00cfe64fb70929a968f402862eb15ae

    • 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