Overview

overview

10

Static

static

8

075c88f8d6...03.exe

windows7_x64

10

075c88f8d6...03.exe

windows10_x64

10

Sharing

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General

  • Target

    075c88f8d6465ea8f45e633059d7cb03.exe

  • Size

    154KB

  • Sample

    201229-slygxqpgqe

  • MD5

    075c88f8d6465ea8f45e633059d7cb03

  • SHA1

    4e664d06dd0b7bdc3bfaf43aeafabb4fe7e2ebb1

  • SHA256

    b94c5e2f0895241a0e9d81d6d8e2e4a0a24e248455cfb7b3d6566315359ea536

  • SHA512

    703e0c06b58589c885eb5a3e6bdb1c17ce21ad0c97501a82c485ba3b1eec2eaa056726d32699e09d68b34a88b60f50d164d7d60282632d5ce07654f773420bad

Score
10/10
tofseexmrigevasionminerpersistencetrojanupx

Malware Config

Targets

    • Target

      075c88f8d6465ea8f45e633059d7cb03.exe

    • Size

      154KB

    • MD5

      075c88f8d6465ea8f45e633059d7cb03

    • SHA1

      4e664d06dd0b7bdc3bfaf43aeafabb4fe7e2ebb1

    • SHA256

      b94c5e2f0895241a0e9d81d6d8e2e4a0a24e248455cfb7b3d6566315359ea536

    • SHA512

      703e0c06b58589c885eb5a3e6bdb1c17ce21ad0c97501a82c485ba3b1eec2eaa056726d32699e09d68b34a88b60f50d164d7d60282632d5ce07654f773420bad

    Score
    10/10
    tofseexmrigevasionminerpersistencetrojanupx

    • 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

    • UPX packed file

      Detects executables packed with UPX/modified UPX open source packer.

      upx

    • Deletes itself

    • Looks up external IP address via web service

      Uses a legitimate IP lookup service to find the infected system's external IP.

    • 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

Lateral Movement

Collection

Exfiltration

Command and Control

Impact

Tasks