General

  • Target

    file.exe

  • Size

    1.6MB

  • Sample

    230920-bb3hwsda3w

  • MD5

    903d66fdd50dbc5476a6a236611f9c65

  • SHA1

    06bad477bd0f58272441c43134f3ad5b60298eda

  • SHA256

    92dd5612e2bcccc65cfe2123ac7c1cc2448e1ebc1300ccf00ed34b2a65398295

  • SHA512

    e44c043c108aa59f312aa5e7b3a2c67c941a447e7274b0b399ab02bfbbbdf598a01b0f9ac4a683ec4fd676cc1dfea368436a82a8c1164b1cc55ebab599d6638d

  • SSDEEP

    49152:oA4BSgGKSibe3fzzxPkfym2fwmHayiCj+7fWUE7Jq:B4BSJibePxP+79yDj+7OfA

Malware Config

Extracted

Family

redline

Botnet

buben

C2

77.91.124.82:19071

Attributes
  • auth_value

    c62fa04aa45f5b78f62d2c21fcbefdec

Extracted

Family

smokeloader

Version

2022

C2

http://77.91.68.29/fks/

rc4.i32
rc4.i32

Extracted

Family

smokeloader

Botnet

up3

Extracted

Family

smokeloader

Version

2020

C2

http://host-file-host6.com/

http://host-host-file8.com/

rc4.i32
rc4.i32

Extracted

Family

redline

Botnet

prets

C2

77.91.124.82:19071

Attributes
  • auth_value

    44ee9617e145f5ca73d49c1a4a0c2e34

Targets

    • Target

      file.exe

    • Size

      1.6MB

    • MD5

      903d66fdd50dbc5476a6a236611f9c65

    • SHA1

      06bad477bd0f58272441c43134f3ad5b60298eda

    • SHA256

      92dd5612e2bcccc65cfe2123ac7c1cc2448e1ebc1300ccf00ed34b2a65398295

    • SHA512

      e44c043c108aa59f312aa5e7b3a2c67c941a447e7274b0b399ab02bfbbbdf598a01b0f9ac4a683ec4fd676cc1dfea368436a82a8c1164b1cc55ebab599d6638d

    • SSDEEP

      49152:oA4BSgGKSibe3fzzxPkfym2fwmHayiCj+7fWUE7Jq:B4BSJibePxP+79yDj+7OfA

    • Detect Fabookie payload

    • Detects Healer an antivirus disabler dropper

    • Fabookie

      Fabookie is facebook account info stealer.

    • Glupteba

      Glupteba is a modular loader written in Golang with various components.

    • Glupteba payload

    • Healer

      Healer an antivirus disabler dropper.

    • Modifies Windows Defender Real-time Protection settings

    • 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.

    • xmrig

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

    • XMRig Miner payload

    • Downloads MZ/PE file

    • Checks computer location settings

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

    • Executes dropped EXE

    • Loads dropped DLL

    • Reads user/profile data of web browsers

      Infostealers often target stored browser data, which can include saved credentials etc.

    • Uses the VBS compiler for execution

    • Accesses cryptocurrency files/wallets, possible credential harvesting

    • Adds Run key to start application

    • Checks installed software on the system

      Looks up Uninstall key entries in the registry to enumerate software on the system.

    • Suspicious use of SetThreadContext

MITRE ATT&CK Enterprise v15

Tasks