General

  • Target

    5f786ef7b4a40accb4b2903acf2bdf1b249c2c4514303bb7ca3c5ac6010ac9d4

  • Size

    657KB

  • Sample

    220904-ktflhsdbfn

  • MD5

    1ab9115cce93709220c60217c4077c34

  • SHA1

    4444d87625d9001bbbe99d975542b97884cb83a0

  • SHA256

    5f786ef7b4a40accb4b2903acf2bdf1b249c2c4514303bb7ca3c5ac6010ac9d4

  • SHA512

    cd46ae14d3a2c81ea4bd791a51b867293c10ee3771697f6204e816f055d366b4f9a2f9faa5285cf4dd3c5f49066aa6b75805dc61da3a561810a6ef87ac5a12e1

  • SSDEEP

    6144:dg5nk5lJmbKTk6b3HVaMjAsbNWTIRlRDBnN9PFja0HdjfCvA+YJJAUPvQ:dg5nkxmGT3Nx0MJN9PFrHdLCY+YJg

Malware Config

Extracted

Family

colibri

Version

1.2.0

Botnet

Build1

C2

http://zpltcmgodhvvedxtfcygvbgjkvgvcguygytfigj.cc/gate.php

http://yugyuvyugguitgyuigtfyutdtoghghbbgyv.cx/gate.php

Targets

    • Target

      5f786ef7b4a40accb4b2903acf2bdf1b249c2c4514303bb7ca3c5ac6010ac9d4

    • Size

      657KB

    • MD5

      1ab9115cce93709220c60217c4077c34

    • SHA1

      4444d87625d9001bbbe99d975542b97884cb83a0

    • SHA256

      5f786ef7b4a40accb4b2903acf2bdf1b249c2c4514303bb7ca3c5ac6010ac9d4

    • SHA512

      cd46ae14d3a2c81ea4bd791a51b867293c10ee3771697f6204e816f055d366b4f9a2f9faa5285cf4dd3c5f49066aa6b75805dc61da3a561810a6ef87ac5a12e1

    • SSDEEP

      6144:dg5nk5lJmbKTk6b3HVaMjAsbNWTIRlRDBnN9PFja0HdjfCvA+YJJAUPvQ:dg5nkxmGT3Nx0MJN9PFrHdLCY+YJg

    • Colibri Loader

      A loader sold as MaaS first seen in August 2021.

    • Detectes Phoenix Miner Payload

    • Downloads MZ/PE file

    • Executes dropped EXE

    • Checks computer location settings

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

    • Loads dropped DLL

    • Reads user/profile data of web browsers

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

    • 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 NtSetInformationThreadHideFromDebugger

    • Suspicious use of SetThreadContext

MITRE ATT&CK Matrix

Command and Control

    Credential Access

    Defense Evasion

    Execution

      Exfiltration

        Impact

          Initial Access

            Lateral Movement

              Privilege Escalation

                Tasks