Overview

overview

10

Static

static

dridex

windows10-2004_x64

10

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General

  • Target

    b5b87ea78993944a356f1b88b53b63a276acfe871ab7336dbc81dd0999a8d5fc

  • Size

    262KB

  • Sample

    220606-ehf51sacdl

  • MD5

    b1e7605bf0fe57d5cc5b0e57a7469a88

  • SHA1

    5e84a385b3458cacc7aa05f80b202e7557337e40

  • SHA256

    b5b87ea78993944a356f1b88b53b63a276acfe871ab7336dbc81dd0999a8d5fc

  • SHA512

    fa7440a23e00cc7cd9396a1237cbc650c2d84482ed85575a54ae092300d09d2482b5205af07ff76baab2e3a7cbe07aad6dccf323d058427fce5855fe6b0f8a83

Score
10/10
tofseexmrigevasionminerpersistencetrojan

Malware Config

Extracted

Family

tofsee

C2

svartalfheim.top

jotunheim.name

Targets

    • Target

      b5b87ea78993944a356f1b88b53b63a276acfe871ab7336dbc81dd0999a8d5fc

    • Size

      262KB

    • MD5

      b1e7605bf0fe57d5cc5b0e57a7469a88

    • SHA1

      5e84a385b3458cacc7aa05f80b202e7557337e40

    • SHA256

      b5b87ea78993944a356f1b88b53b63a276acfe871ab7336dbc81dd0999a8d5fc

    • SHA512

      fa7440a23e00cc7cd9396a1237cbc650c2d84482ed85575a54ae092300d09d2482b5205af07ff76baab2e3a7cbe07aad6dccf323d058427fce5855fe6b0f8a83

    Score
    10/10
    tofseexmrigevasionminerpersistencetrojan

    • Tofsee

      Backdoor/botnet which carries out malicious activities based on commands from a C2 server.

      trojantofsee

    • 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.

    • 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

    behavioral1

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

Modify Registry

1
T1112

Credential Access

Discovery

Query Registry

1
T1012

System Information Discovery

2
T1082

Lateral Movement

Collection

Exfiltration

Command and Control

Impact

Tasks