Overview

overview

10

Static

static

otdysebd.exe

windows7_x64

10

otdysebd.exe

windows10_x64

Sharing

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General

  • Target

    otdysebd.exe

  • Size

    13.2MB

  • Sample

    210310-654hy6l4hs

  • MD5

    d76e05043d64bf66c8b6a43f3bb0c3a6

  • SHA1

    aa49363192ed4193bca7288208309fcecdccf96d

  • SHA256

    fb47837ab6258ecec5ee4c3bc7a193f026ce1a39ca6b490cc8990b36e7d3e802

  • SHA512

    0e9064934779bafce379484d8c00c538c1e61a030f0dce913b4d6e46b40d9e22ce30a43e9764fe5db32c64f9d5a61827ea8047555dd74a6f8f442a77fb2e52fc

Score
10/10
tofseexmrigevasionminerpersistencetrojan

Malware Config

Targets

    • Target

      otdysebd.exe

    • Size

      13.2MB

    • MD5

      d76e05043d64bf66c8b6a43f3bb0c3a6

    • SHA1

      aa49363192ed4193bca7288208309fcecdccf96d

    • SHA256

      fb47837ab6258ecec5ee4c3bc7a193f026ce1a39ca6b490cc8990b36e7d3e802

    • SHA512

      0e9064934779bafce379484d8c00c538c1e61a030f0dce913b4d6e46b40d9e22ce30a43e9764fe5db32c64f9d5a61827ea8047555dd74a6f8f442a77fb2e52fc

    Score
    10/10
    tofseexmrigevasionminerpersistencetrojan

    • 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

    • 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