Resubmissions

19-04-2023 10:12

230419-l8kdpabf9z 10

19-04-2023 09:14

230419-k7qcwahe75 10

18-04-2023 11:36

230418-nqkylsch3z 10

General

  • Target

    1e0c04259041599f381739e5a2779118.exe

  • Size

    282KB

  • Sample

    230419-l8kdpabf9z

  • MD5

    1e0c04259041599f381739e5a2779118

  • SHA1

    4aeec9e7e2d836ef69145a8451410b49d7ee8139

  • SHA256

    71dfa64187315a09becab456d32e70e43ae68afbff5a601a9227089241b9c460

  • SHA512

    bb1f4f064a0f7da8a7cf2aae2f7eb8687bf8f4861e168a97c4e31bced31341d552419bc96d254e11237c1227fc3836ebc802eff7af6a399a2bab62b94d3e275d

  • SSDEEP

    3072:kcJiBxMfexCJCzAU0tPjv4UVA3oG+dHLnVTuX2kmo5ugsFWrO7CCFpPsOmmh16Pq:axaUCJCIjASGoGoOMF7+QpppObl7iM

Malware Config

Extracted

Family

gcleaner

C2

45.12.253.56

45.12.253.72

45.12.253.98

45.12.253.75

Extracted

Family

redline

Botnet

RED

C2

79.137.202.0:81

Attributes
  • auth_value

    49e32ec54afd3f75dadad05dbf2e524f

Extracted

Family

cryptbot

C2

http://fygqwc32.top/gate.php

Extracted

Family

laplas

C2

http://79.137.199.252

Attributes
  • api_key

    ab77c1513d42148558312d676282a204d8aa055051d315af2056241c7f79c6f4

Targets

    • Target

      1e0c04259041599f381739e5a2779118.exe

    • Size

      282KB

    • MD5

      1e0c04259041599f381739e5a2779118

    • SHA1

      4aeec9e7e2d836ef69145a8451410b49d7ee8139

    • SHA256

      71dfa64187315a09becab456d32e70e43ae68afbff5a601a9227089241b9c460

    • SHA512

      bb1f4f064a0f7da8a7cf2aae2f7eb8687bf8f4861e168a97c4e31bced31341d552419bc96d254e11237c1227fc3836ebc802eff7af6a399a2bab62b94d3e275d

    • SSDEEP

      3072:kcJiBxMfexCJCzAU0tPjv4UVA3oG+dHLnVTuX2kmo5ugsFWrO7CCFpPsOmmh16Pq:axaUCJCIjASGoGoOMF7+QpppObl7iM

    • CryptBot

      A C++ stealer distributed widely in bundle with other software.

    • Detects Stealc stealer

    • GCleaner

      GCleaner is a Pay-Per-Install malware loader first discovered in early 2019.

    • Laplas Clipper

      Laplas is a crypto wallet stealer with three variants written in Golang, C#, and C++.

    • RedLine

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

    • Stealc

      Stealc is an infostealer written in C++.

    • Identifies VirtualBox via ACPI registry values (likely anti-VM)

    • Downloads MZ/PE file

    • Checks BIOS information in registry

      BIOS information is often read in order to detect sandboxing environments.

    • Checks computer location settings

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

    • Deletes itself

    • Drops startup file

    • 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.

    • Themida packer

      Detects Themida, an advanced Windows software protection system.

    • 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.

    • Checks whether UAC is enabled

    • Maps connected drives based on registry

      Disk information is often read in order to detect sandboxing environments.

    • Suspicious use of NtSetInformationThreadHideFromDebugger

    • Suspicious use of SetThreadContext

MITRE ATT&CK Enterprise v6

Tasks