General

  • Target

    6ca3bf02fec859255bfc95c1ecec1b227f1957cac0bad6e7b3f8e625df36a5df

  • Size

    196KB

  • Sample

    220924-z63ddaddbm

  • MD5

    be99057b654afcd93058886399c49028

  • SHA1

    6d55ea7c5258fea8057e1984f6b5565d99feba06

  • SHA256

    6ca3bf02fec859255bfc95c1ecec1b227f1957cac0bad6e7b3f8e625df36a5df

  • SHA512

    10d5444e34f9dfe5bea07b12d9ba19aa84bc3f6fe301f235c1b754ae8e9f1563f796a1a9a94ce6ad42611aea56445857fbd9512372ccb43ba2b0c9da475c966c

  • SSDEEP

    3072:6AXCcFLtOH0BbN5i0qkK4vJ6ezKeIoXww6O3Jq2BER9lib/PkkXx:ZFLw0BdqwvJ6gK5oXFV3JYU

Malware Config

Extracted

Family

tofsee

C2

svartalfheim.top

jotunheim.name

Extracted

Family

redline

Botnet

LogsDiller Cloud (TG: @me_golds)

C2

77.73.134.27:7161

Attributes
  • auth_value

    e136da06c7c0400f4091dab1787720ea

Targets

    • Target

      6ca3bf02fec859255bfc95c1ecec1b227f1957cac0bad6e7b3f8e625df36a5df

    • Size

      196KB

    • MD5

      be99057b654afcd93058886399c49028

    • SHA1

      6d55ea7c5258fea8057e1984f6b5565d99feba06

    • SHA256

      6ca3bf02fec859255bfc95c1ecec1b227f1957cac0bad6e7b3f8e625df36a5df

    • SHA512

      10d5444e34f9dfe5bea07b12d9ba19aa84bc3f6fe301f235c1b754ae8e9f1563f796a1a9a94ce6ad42611aea56445857fbd9512372ccb43ba2b0c9da475c966c

    • SSDEEP

      3072:6AXCcFLtOH0BbN5i0qkK4vJ6ezKeIoXww6O3Jq2BER9lib/PkkXx:ZFLw0BdqwvJ6gK5oXFV3JYU

    • 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

    • Checks computer location settings

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

    • Accesses Microsoft Outlook profiles

    • Accesses cryptocurrency files/wallets, possible credential harvesting

    • Legitimate hosting services abused for malware hosting/C2

    • 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

1
T1060

Privilege Escalation

New Service

1
T1050

Defense Evasion

Modify Registry

1
T1112

Credential Access

Credentials in Files

1
T1081

Discovery

Query Registry

2
T1012

System Information Discovery

3
T1082

Peripheral Device Discovery

1
T1120

Collection

Email Collection

1
T1114

Data from Local System

1
T1005

Command and Control

Web Service

1
T1102

Tasks