General

  • Target

    02de0efcbdd742b4f443114e6952226b2114f54e463c8aaa9b7e65459eefd739

  • Size

    403KB

  • Sample

    220704-spm4sscab2

  • MD5

    3c282b21b232443eba0b465af7a8a304

  • SHA1

    2b3012029a6fc35ece49ed198d50d29249dd24ad

  • SHA256

    02de0efcbdd742b4f443114e6952226b2114f54e463c8aaa9b7e65459eefd739

  • SHA512

    9484c17fe7c16346e6abdb685681d954ad50a8400925498aa3e3b4f17d36a9417ed6af9fdab79a047af5a9f606e6cc291513fb925fcc10a2b5e816caa63540d3

Malware Config

Extracted

Family

colibri

Version

1.2.0

Botnet

Build1

C2

http://zpltcmgodhvvedxtfcygvbgjkvgvcguygytfigj.cc/gate.php

http://yugyuvyugguitgyuigtfyutdtoghghbbgyv.cx/gate.php

Extracted

Family

raccoon

Botnet

4bdabb0995ee4b48db30078de2c5c206

C2

http://45.159.251.144/

rc4.plain
rc4.plain

Extracted

Family

redline

C2

193.233.193.49:11906

Attributes
  • auth_value

    ad5cd49e075db8527ecb265d0bf18710

Targets

    • Target

      02de0efcbdd742b4f443114e6952226b2114f54e463c8aaa9b7e65459eefd739

    • Size

      403KB

    • MD5

      3c282b21b232443eba0b465af7a8a304

    • SHA1

      2b3012029a6fc35ece49ed198d50d29249dd24ad

    • SHA256

      02de0efcbdd742b4f443114e6952226b2114f54e463c8aaa9b7e65459eefd739

    • SHA512

      9484c17fe7c16346e6abdb685681d954ad50a8400925498aa3e3b4f17d36a9417ed6af9fdab79a047af5a9f606e6cc291513fb925fcc10a2b5e816caa63540d3

    • Colibri Loader

      A loader sold as MaaS first seen in August 2021.

    • Raccoon

      Raccoon is an infostealer written in C++ and first seen in 2019.

    • RedLine

      RedLine Stealer is a malware family written in C#, first appearing in early 2020.

    • RedLine Payload

    • suricata: ET MALWARE Generic gate .php GET with minimal headers

      suricata: ET MALWARE Generic gate .php GET with minimal headers

    • suricata: ET MALWARE Terse alphanumeric executable downloader high likelihood of being hostile

      suricata: ET MALWARE Terse alphanumeric executable downloader high likelihood of being hostile

    • suricata: ET MALWARE Trojan Generic - POST To gate.php with no accept headers

      suricata: ET MALWARE Trojan Generic - POST To gate.php with no accept headers

    • suricata: ET MALWARE Trojan Generic - POST To gate.php with no referer

      suricata: ET MALWARE Trojan Generic - POST To gate.php with no referer

    • suricata: ET MALWARE Win32/Colibri Loader Activity

      suricata: ET MALWARE Win32/Colibri Loader Activity

    • suricata: ET MALWARE Win32/Colibri Loader Activity M2

      suricata: ET MALWARE Win32/Colibri Loader Activity M2

    • suricata: ET MALWARE Win32/Colibri Loader Activity M3

      suricata: ET MALWARE Win32/Colibri Loader Activity M3

    • Downloads MZ/PE file

    • Executes dropped EXE

    • UPX packed file

      Detects executables packed with UPX/modified UPX open source packer.

    • Checks computer location settings

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

    • Deletes itself

    • Loads dropped DLL

    • Uses the VBS compiler for execution

    • Accesses cryptocurrency files/wallets, possible credential harvesting

    • Legitimate hosting services abused for malware hosting/C2

    • Looks up external IP address via web service

      Uses a legitimate IP lookup service to find the infected system's external IP.

    • Suspicious use of SetThreadContext

MITRE ATT&CK Matrix ATT&CK v6

Execution

Scripting

1
T1064

Scheduled Task

1
T1053

Persistence

Scheduled Task

1
T1053

Privilege Escalation

Scheduled Task

1
T1053

Defense Evasion

Scripting

1
T1064

Credential Access

Credentials in Files

1
T1081

Discovery

Query Registry

2
T1012

System Information Discovery

2
T1082

Peripheral Device Discovery

1
T1120

Collection

Data from Local System

1
T1005

Command and Control

Web Service

1
T1102

Tasks