Overview

overview

10

Static

static

8

214e608290...b1.exe

windows7_x64

10

214e608290...b1.exe

windows10_x64

10

Sharing

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General

  • Target

    214e60829043f5a0fcc0a88583b019b1.exe

  • Size

    154KB

  • Sample

    201229-naw8bmdpnx

  • MD5

    214e60829043f5a0fcc0a88583b019b1

  • SHA1

    7b2ffd670b6024d930891cbed07493a97bfa0683

  • SHA256

    f4cf0f0987a9ede49bd9de65d7b30a72a232856e1cb7c47d287ca8ba980d43ce

  • SHA512

    a3adb4b3ffb665adac068a7d53fd06bcfec8ec6d9a55ece785e7a3c9461cd40cf8551474fd337ca150e15b086f36c63ed0d5c9921c856fbddd9f6325034df09b

Score
10/10
tofseexmrigevasionminerpersistencetrojanupx

Malware Config

Targets

    • Target

      214e60829043f5a0fcc0a88583b019b1.exe

    • Size

      154KB

    • MD5

      214e60829043f5a0fcc0a88583b019b1

    • SHA1

      7b2ffd670b6024d930891cbed07493a97bfa0683

    • SHA256

      f4cf0f0987a9ede49bd9de65d7b30a72a232856e1cb7c47d287ca8ba980d43ce

    • SHA512

      a3adb4b3ffb665adac068a7d53fd06bcfec8ec6d9a55ece785e7a3c9461cd40cf8551474fd337ca150e15b086f36c63ed0d5c9921c856fbddd9f6325034df09b

    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