Overview

overview

10

Static

static

684d5c62ff...58.exe

windows7_x64

10

684d5c62ff...58.exe

windows10_x64

10

Sharing

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General

  • Target

    684d5c62ffa1b2e8024c9ec17482d058.exe

  • Size

    333KB

  • Sample

    220127-jfvb3shdgk

  • MD5

    684d5c62ffa1b2e8024c9ec17482d058

  • SHA1

    3b205c2e5066e422702151b5eaa00ec444543874

  • SHA256

    9dd979c20bd6d843da8f29afc35c0ec2a79bcb5f5100a0d70103509e58c1c5f5

  • SHA512

    cf4a16a19c97fec5c74ac4dcb75bb4305b2437fa1b01490ec8e19574374beda204002902a5981b0ba51268e4e6e8b4cb7865c40dc3b4df068845831190dddba4

Score
10/10
tofseexmrigevasionminerpersistencetrojan

Malware Config

Extracted

Family

tofsee

C2

patmushta.info

ovicrush.cn

Targets

    • Target

      684d5c62ffa1b2e8024c9ec17482d058.exe

    • Size

      333KB

    • MD5

      684d5c62ffa1b2e8024c9ec17482d058

    • SHA1

      3b205c2e5066e422702151b5eaa00ec444543874

    • SHA256

      9dd979c20bd6d843da8f29afc35c0ec2a79bcb5f5100a0d70103509e58c1c5f5

    • SHA512

      cf4a16a19c97fec5c74ac4dcb75bb4305b2437fa1b01490ec8e19574374beda204002902a5981b0ba51268e4e6e8b4cb7865c40dc3b4df068845831190dddba4

    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

    • Legitimate hosting services abused for malware hosting/C2

    • 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

Web Service

1
T1102

Impact

Tasks