General

  • Target

    459c1bdbc258f54069b4100b659f028c6083d539230a8c9cff3fd7fe1b97ba9d

  • Size

    402KB

  • Sample

    211203-v3klyacaf4

  • MD5

    9a547090c79f833fcda08f30b26ce0af

  • SHA1

    9febdf6c38242caeb0ea5f87bd435c06bcdfd67a

  • SHA256

    459c1bdbc258f54069b4100b659f028c6083d539230a8c9cff3fd7fe1b97ba9d

  • SHA512

    5d470cffb7b36d1e2b790ce488377852693a442c8de843eb2895fda0411d22590f76e7c4bbfa4e700855df9d43f947dd184a3075c95e425fd402a6f884535701

Malware Config

Extracted

Family

cryptbot

C2

tisqls52.top

mordyk05.top

Attributes
  • payload_url

    http://danwyk16.top/download.php?file=kludge.exe

Extracted

Family

danabot

C2

142.11.244.223:443

23.106.122.139:443

Attributes
  • embedded_hash

    0FA95F120D6EB149A5D48E36BC76879D

  • type

    loader

rsa_pubkey.plain
rsa_privkey.plain

Targets

    • Target

      459c1bdbc258f54069b4100b659f028c6083d539230a8c9cff3fd7fe1b97ba9d

    • Size

      402KB

    • MD5

      9a547090c79f833fcda08f30b26ce0af

    • SHA1

      9febdf6c38242caeb0ea5f87bd435c06bcdfd67a

    • SHA256

      459c1bdbc258f54069b4100b659f028c6083d539230a8c9cff3fd7fe1b97ba9d

    • SHA512

      5d470cffb7b36d1e2b790ce488377852693a442c8de843eb2895fda0411d22590f76e7c4bbfa4e700855df9d43f947dd184a3075c95e425fd402a6f884535701

    • CryptBot

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

    • Danabot

      Danabot is a modular banking Trojan that has been linked with other malware.

    • Danabot Loader Component

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

    • Blocklisted process makes network request

    • Downloads MZ/PE file

    • Executes dropped EXE

    • Checks BIOS information in registry

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

    • 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

    • 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

    • 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 NtSetInformationThreadHideFromDebugger

MITRE ATT&CK Matrix ATT&CK v6

Defense Evasion

Virtualization/Sandbox Evasion

1
T1497

Credential Access

Credentials in Files

2
T1081

Discovery

Query Registry

4
T1012

Virtualization/Sandbox Evasion

1
T1497

System Information Discovery

4
T1082

Collection

Data from Local System

2
T1005

Command and Control

Web Service

1
T1102

Tasks