Overview

overview

10

Static

static

8a04cf5b84...3b.exe

windows7_x64

10

8a04cf5b84...3b.exe

windows10_x64

10

Sharing

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General

  • Target

    8a04cf5b84f3b2469aa8197a439a763b.exe

  • Size

    14.2MB

  • Sample

    210714-hxrshkc81j

  • MD5

    8a04cf5b84f3b2469aa8197a439a763b

  • SHA1

    bfbb961f42bfca83610f2152fdeddf4e6ee2da90

  • SHA256

    594612e968755241ad60c9012cb668df571ebe1c681ada177cfc3fd5563be0e3

  • SHA512

    a636966c2d18af1ba5c48ea803ce72e4b19b7fb2e87b3bf6d205d2c738a5315d2cb4d1ffe06a78a05351949ee777933f222a8e55fe07fc90903ab24af0bcc4a6

Score
10/10
tofseexmrigevasionminerpersistencetrojan

Malware Config

Targets

    • Target

      8a04cf5b84f3b2469aa8197a439a763b.exe

    • Size

      14.2MB

    • MD5

      8a04cf5b84f3b2469aa8197a439a763b

    • SHA1

      bfbb961f42bfca83610f2152fdeddf4e6ee2da90

    • SHA256

      594612e968755241ad60c9012cb668df571ebe1c681ada177cfc3fd5563be0e3

    • SHA512

      a636966c2d18af1ba5c48ea803ce72e4b19b7fb2e87b3bf6d205d2c738a5315d2cb4d1ffe06a78a05351949ee777933f222a8e55fe07fc90903ab24af0bcc4a6

    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