General

  • Target

    s.exe

  • Size

    196KB

  • Sample

    220924-kjcrwaahc2

  • MD5

    a9b6a110d389bf0c340f6a18f5de9067

  • SHA1

    4c4a81d8f203f164a98894f8dbb9574e7371fadb

  • SHA256

    249b6115c81863c982c3674944c126f350913adfaf217d64b7e442cc9c23dfdb

  • SHA512

    e088df49835af9549fb96e8bf211b7645d9fca7bd570ec7a1c0dea7dba3d587b34c8e9ed78e58dcdb74a3514396b95122f57febc51a2d22b0156810696983a1d

  • SSDEEP

    3072:EEsqMLxJUVRbHc85+OitYTlTLNQZsyCrdPu+k9IBZN/iVU/PkF4x:E3LcVZH0OiEisyCrzw

Malware Config

Extracted

Family

redline

Botnet

LogsDiller Cloud (TG: @mr_golds)

C2

77.73.134.27:8163

Attributes
  • auth_value

    4b2de03af6b6ac513ac597c2e6c1ad51

Extracted

Family

tofsee

C2

svartalfheim.top

jotunheim.name

Targets

    • Target

      s.exe

    • Size

      196KB

    • MD5

      a9b6a110d389bf0c340f6a18f5de9067

    • SHA1

      4c4a81d8f203f164a98894f8dbb9574e7371fadb

    • SHA256

      249b6115c81863c982c3674944c126f350913adfaf217d64b7e442cc9c23dfdb

    • SHA512

      e088df49835af9549fb96e8bf211b7645d9fca7bd570ec7a1c0dea7dba3d587b34c8e9ed78e58dcdb74a3514396b95122f57febc51a2d22b0156810696983a1d

    • SSDEEP

      3072:EEsqMLxJUVRbHc85+OitYTlTLNQZsyCrdPu+k9IBZN/iVU/PkF4x:E3LcVZH0OiEisyCrzw

    • 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.

    • Drops file in System32 directory

    • Suspicious use of SetThreadContext

MITRE ATT&CK Enterprise v6

Tasks