General

  • Target

    f07887ecdf8e1d1ea6ba6f17c6b1081fc2b231fbbc06847438d7c946a089c03e

  • Size

    168KB

  • Sample

    220923-e87qnadbd4

  • MD5

    c89cfaa58997fd41eb9151ea547509ca

  • SHA1

    dd43b16f5733bdbcccbcd7ef4470b36b8a2fc2e2

  • SHA256

    f07887ecdf8e1d1ea6ba6f17c6b1081fc2b231fbbc06847438d7c946a089c03e

  • SHA512

    e167df4c8fab173d5dd66c074509e0f38393911ef18a601b9d23ab65498fd67c0952910fff53e26c5422a40ffb12f99797d7bad908918bf7213073c83dbcd94e

  • SSDEEP

    3072:U5WLW/5gok7Y6ORsGikI9vy0LWHvB8C+/PkWDn:nLWJk7Y6ORsnkwtz

Malware Config

Extracted

Family

redline

Botnet

LogsDiller Cloud (Sup: @mr_golds)

C2

77.73.134.27:8163

Attributes
  • auth_value

    56c6f7b9024c076f0a96931453da7e56

Extracted

Family

tofsee

C2

svartalfheim.top

jotunheim.name

Targets

    • Target

      f07887ecdf8e1d1ea6ba6f17c6b1081fc2b231fbbc06847438d7c946a089c03e

    • Size

      168KB

    • MD5

      c89cfaa58997fd41eb9151ea547509ca

    • SHA1

      dd43b16f5733bdbcccbcd7ef4470b36b8a2fc2e2

    • SHA256

      f07887ecdf8e1d1ea6ba6f17c6b1081fc2b231fbbc06847438d7c946a089c03e

    • SHA512

      e167df4c8fab173d5dd66c074509e0f38393911ef18a601b9d23ab65498fd67c0952910fff53e26c5422a40ffb12f99797d7bad908918bf7213073c83dbcd94e

    • SSDEEP

      3072:U5WLW/5gok7Y6ORsGikI9vy0LWHvB8C+/PkWDn:nLWJk7Y6ORsnkwtz

    • 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 cryptocurrency files/wallets, possible credential harvesting

    • 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

Data from Local System

1
T1005

Tasks