Overview

overview

10

Static

static

3289502006...df.exe

windows7-x64

10

3289502006...df.exe

windows10-2004-x64

10

Sharing

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General

  • Target

    3289502006a84fdf3228454fcfdb37cc8b070a85a9f1ddcea523f1f0627045df.exe

  • Size

    184KB

  • Sample

    221202-3h4s3sed39

  • MD5

    198adec9193e9d8439446c2e7162f587

  • SHA1

    c1dbffe0751a4b1aad8bb14b116cbbac5a94dce2

  • SHA256

    3289502006a84fdf3228454fcfdb37cc8b070a85a9f1ddcea523f1f0627045df

  • SHA512

    de0bf5aec25e3daf785751290ccda4a4da84f8685863e5ccd7147f5e4ab6ee4cf7f8482cb688f33802fbe6d788303c0edec4d8a5c62a218228e54ef2ab3e95b8

  • SSDEEP

    3072:r0My61L0m+/AcOMn5tN4NOg1dY9RiD1b/P21XGKRw+6HOqw3:IMCm+/AchWd1GRiDtn21XG+Mu

Score
10/10
tofseexmrigevasionminerpersistencetrojan

Malware Config

Extracted

Family

tofsee

C2

svartalfheim.top

jotunheim.name

Targets

    • Target

      3289502006a84fdf3228454fcfdb37cc8b070a85a9f1ddcea523f1f0627045df.exe

    • Size

      184KB

    • MD5

      198adec9193e9d8439446c2e7162f587

    • SHA1

      c1dbffe0751a4b1aad8bb14b116cbbac5a94dce2

    • SHA256

      3289502006a84fdf3228454fcfdb37cc8b070a85a9f1ddcea523f1f0627045df

    • SHA512

      de0bf5aec25e3daf785751290ccda4a4da84f8685863e5ccd7147f5e4ab6ee4cf7f8482cb688f33802fbe6d788303c0edec4d8a5c62a218228e54ef2ab3e95b8

    • SSDEEP

      3072:r0My61L0m+/AcOMn5tN4NOg1dY9RiD1b/P21XGKRw+6HOqw3:IMCm+/AchWd1GRiDtn21XG+Mu

    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