Overview

overview

10

Static

static

52b050051a...65.exe

windows7_x64

10

52b050051a...65.exe

windows10_x64

10

Sharing

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General

  • Target

    52b050051a9a82798822f0381b948e09149dacf307551b060f83baf1c7562e65

  • Size

    13.2MB

  • Sample

    210120-8wfpkye7e2

  • MD5

    5f00b7c04424f074cab3cda9f1295e29

  • SHA1

    7c661b9b70fb91877e0216fb54b1ba90e66ae62b

  • SHA256

    52b050051a9a82798822f0381b948e09149dacf307551b060f83baf1c7562e65

  • SHA512

    0ff8a98bcafd662721d6a9cfcd6001825c832106a1520608f60108defa1f77c4cad0c0cb4570cae49bb0ac2cbbd7e08484ed67dcf0a076a3d3628c36407f1763

Score
10/10
tofseexmrigevasionminerpersistenceransomwaretrojan

Malware Config

Targets

    • Target

      52b050051a9a82798822f0381b948e09149dacf307551b060f83baf1c7562e65

    • Size

      13.2MB

    • MD5

      5f00b7c04424f074cab3cda9f1295e29

    • SHA1

      7c661b9b70fb91877e0216fb54b1ba90e66ae62b

    • SHA256

      52b050051a9a82798822f0381b948e09149dacf307551b060f83baf1c7562e65

    • SHA512

      0ff8a98bcafd662721d6a9cfcd6001825c832106a1520608f60108defa1f77c4cad0c0cb4570cae49bb0ac2cbbd7e08484ed67dcf0a076a3d3628c36407f1763

    Score
    10/10
    tofseexmrigevasionminerpersistenceransomwaretrojan

    • Tofsee

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

      trojantofsee

    • Windows security bypass

      evasiontrojan

    • xmrig

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

      minerxmrig

    • XMRig Miner Payload

      miner

    • Creates new service(s)

      persistence

    • Executes dropped EXE

    • Modifies Windows Firewall

      evasion

    • Sets service image path in registry

      persistence

    • Deletes itself

    • Drops file in System32 directory

    • Enumerates physical storage devices

      Attempts to interact with connected storage/optical drive(s). Likely ransomware behaviour.

      ransomware

    • Suspicious use of SetThreadContext

    behavioral1behavioral2

MITRE ATT&CK Matrix ATT&CK v6

Initial Access

Execution

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

Credential Access

Discovery

System Information Discovery

1
T1082

Lateral Movement

Collection

Exfiltration

Command and Control

Impact

Tasks