Overview

overview

10

Static

static

75t70izpt[1].exe

windows7-x64

10

75t70izpt[1].exe

windows10-2004-x64

10

Sharing

Copy URL
Twitter E-mail

General

  • Target

    75t70izpt[1].bin

  • Size

    302KB

  • Sample

    220717-s9xhzaegdl

  • MD5

    e99f30a09b75de5eb56c172972cc46bc

  • SHA1

    d50c7c10d7abcb27ba63242a20e5fdd90ad2ae60

  • SHA256

    9ff3eb5bac86aef0116488ac380f9d7ea15d27f9d580462fcf3612293525f50f

  • SHA512

    4991768653c743e673b3a0a66baf3930aba398f861e10837c4622927ba4bef3cfd4f29afc041163e1970c19c67108e765e94757d2e884bad963b131fb0a69561

Score
10/10
tofseexmrigevasionminerpersistencetrojan

Malware Config

Extracted

Family

tofsee

C2

svartalfheim.top

jotunheim.name

Targets

    • Target

      75t70izpt[1].bin

    • Size

      302KB

    • MD5

      e99f30a09b75de5eb56c172972cc46bc

    • SHA1

      d50c7c10d7abcb27ba63242a20e5fdd90ad2ae60

    • SHA256

      9ff3eb5bac86aef0116488ac380f9d7ea15d27f9d580462fcf3612293525f50f

    • SHA512

      4991768653c743e673b3a0a66baf3930aba398f861e10837c4622927ba4bef3cfd4f29afc041163e1970c19c67108e765e94757d2e884bad963b131fb0a69561

    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

    • Checks computer location settings

      Looks up country code configured in the registry, likely geofence.

    • 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

Query Registry

1
T1012

System Information Discovery

2
T1082

Lateral Movement

Collection

Exfiltration

Command and Control

Impact

Tasks