General

  • Target

    fb79d86b21babcbd210af1c4f6a63164a73132945d44d85ac6f2663411b67da7

  • Size

    203KB

  • Sample

    220925-qjmjzaegd6

  • MD5

    8d0c205ddb1e0fd11f056655525146af

  • SHA1

    b126d12218c0fc792f9c7b9f57e1db93427cf8f8

  • SHA256

    fb79d86b21babcbd210af1c4f6a63164a73132945d44d85ac6f2663411b67da7

  • SHA512

    ba48f9c2e428fe715320a133261bb0d9a14c5cea15b1304f42cbb4eccfaa5b07ce9b075adf0bf249d8dfd015a7aed8fbaff3712034875310c37d7ce4ed8bc400

  • SSDEEP

    3072:f5+WjelfHj5npX+fRwx7yHqehdqcHwVcBOHA//PkxXx:xIz4RwxWHDDJQVg

Malware Config

Extracted

Family

tofsee

C2

svartalfheim.top

jotunheim.name

Extracted

Family

redline

Botnet

LogsDiller Cloud (TG: @mr_golds)

C2

77.73.134.27:7161

Attributes
  • auth_value

    4b2de03af6b6ac513ac597c2e6c1ad51

Targets

    • Target

      fb79d86b21babcbd210af1c4f6a63164a73132945d44d85ac6f2663411b67da7

    • Size

      203KB

    • MD5

      8d0c205ddb1e0fd11f056655525146af

    • SHA1

      b126d12218c0fc792f9c7b9f57e1db93427cf8f8

    • SHA256

      fb79d86b21babcbd210af1c4f6a63164a73132945d44d85ac6f2663411b67da7

    • SHA512

      ba48f9c2e428fe715320a133261bb0d9a14c5cea15b1304f42cbb4eccfaa5b07ce9b075adf0bf249d8dfd015a7aed8fbaff3712034875310c37d7ce4ed8bc400

    • SSDEEP

      3072:f5+WjelfHj5npX+fRwx7yHqehdqcHwVcBOHA//PkxXx:xIz4RwxWHDDJQVg

    • Detects Smokeloader packer

    • RedLine

      RedLine Stealer is a malware family written in C#, first appearing in early 2020.

    • RedLine payload

    • SmokeLoader

      Modular backdoor trojan in use since 2014.

    • Tofsee

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

    • xmrig

      XMRig is a high performance, open source, cross platform CPU/GPU miner.

    • XMRig Miner payload

    • Creates new service(s)

    • Downloads MZ/PE file

    • Executes dropped EXE

    • Modifies Windows Firewall

    • Sets service image path in registry

    • UPX packed file

      Detects executables packed with UPX/modified UPX open source packer.

    • Checks computer location settings

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

    • Adds Run key to start application

    • Drops file in System32 directory

    • Suspicious use of SetThreadContext

MITRE ATT&CK Matrix ATT&CK v6

Persistence

New Service

1
T1050

Modify Existing Service

1
T1031

Registry Run Keys / Startup Folder

2
T1060

Privilege Escalation

New Service

1
T1050

Defense Evasion

Modify Registry

2
T1112

Discovery

Query Registry

2
T1012

System Information Discovery

3
T1082

Peripheral Device Discovery

1
T1120

Tasks