Overview

overview

10

Static

static

keevgpgi.exe

windows7_x64

10

keevgpgi.exe

windows10_x64

10

Sharing

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General

  • Target

    keevgpgi.exe

  • Size

    11.6MB

  • Sample

    210213-fwck4jxhbn

  • MD5

    cecab87eece6151682a5dffe04831bb6

  • SHA1

    e3d6a4c3d0f25f63abf5aa5c906da1b681462714

  • SHA256

    27a880b8a04d59fa74e9ca0c7db57718599f1efca0c593739c12cb1fad9040dc

  • SHA512

    1d39a758f9415b493fee4bc0921bfa627d2939d21386a7cd3b9b8f216d75e5025a5f3ff6414b6bfaf2a8acac817cf42a77005677e99ff10094572318a4933ebd

Score
10/10
tofseexmrigevasionminerpersistencetrojan

Malware Config

Targets

    • Target

      keevgpgi.exe

    • Size

      11.6MB

    • MD5

      cecab87eece6151682a5dffe04831bb6

    • SHA1

      e3d6a4c3d0f25f63abf5aa5c906da1b681462714

    • SHA256

      27a880b8a04d59fa74e9ca0c7db57718599f1efca0c593739c12cb1fad9040dc

    • SHA512

      1d39a758f9415b493fee4bc0921bfa627d2939d21386a7cd3b9b8f216d75e5025a5f3ff6414b6bfaf2a8acac817cf42a77005677e99ff10094572318a4933ebd

    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

    • 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

    • Enumerates physical storage devices

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

    • 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