Overview

overview

10

Static

static

d093330127...b3.exe

windows7_x64

10

d093330127...b3.exe

windows10-2004_x64

10

Sharing

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General

  • Target

    d093330127cd6c30968467a9336881ab023acf4cba757f6dd5ac566b1b2285b3

  • Size

    144KB

  • Sample

    220606-tptf9adhel

  • MD5

    bc0efc29203646c036ac74c7ced8ab5b

  • SHA1

    1bf2e994be6bd78ae7ef4ef11e1cac0d159f5f84

  • SHA256

    4c36dc53a4da6637f1d99a121a74eafacd51abf88dd5931e90824f15258258a3

  • SHA512

    09aa6d1470d1e7b06f376268190d78eaea416944ee22a0e318d6440c0ee931aa3a79c0deedde1263682bb39397b88e757a9cd709b83d804fdbc141a501156563

Score
10/10
tofseexmrigevasionminerpersistencetrojan

Malware Config

Extracted

Family

tofsee

C2

svartalfheim.top

jotunheim.name

Targets

    • Target

      d093330127cd6c30968467a9336881ab023acf4cba757f6dd5ac566b1b2285b3

    • Size

      263KB

    • MD5

      d5fb631f61c85ae433748255e294c6ce

    • SHA1

      edc47ed3f6e91a3c6f61b2e4ff76a60387792712

    • SHA256

      d093330127cd6c30968467a9336881ab023acf4cba757f6dd5ac566b1b2285b3

    • SHA512

      236d640cd926e6b5b306464b259e209b77e6201550345ee75e39fa6233c770b6600131d0ff32c1be753d3e8b333bc902338870ff29541aa07f1939fe182e1af1

    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

    • 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

Impact

Tasks