General

  • Target

    dafc0e0ec449f6f79b41bd7c9a890a6d.exe

  • Size

    419KB

  • Sample

    211220-xcw86abdh8

  • MD5

    dafc0e0ec449f6f79b41bd7c9a890a6d

  • SHA1

    a7b046895c7a4426664008e7cb7bf2545baf1c56

  • SHA256

    06face8c213af14c21f7860c9605cef93512007d4528a0178436d55aea6f7698

  • SHA512

    9274ff2115e325a518e13b3eec69aaf56c7bed32675eeb21a24572d148d331eb50f57b0b16414b7f083f33df5678b6d6689a714698d2e91b397ef7432e5e1b77

Malware Config

Extracted

Family

cryptbot

C2

daibly12.top

morjey01.top

Attributes
  • payload_url

    http://lionek12.top/download.php?file=maysin.exe

Extracted

Family

danabot

Botnet

4

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

      dafc0e0ec449f6f79b41bd7c9a890a6d.exe

    • Size

      419KB

    • MD5

      dafc0e0ec449f6f79b41bd7c9a890a6d

    • SHA1

      a7b046895c7a4426664008e7cb7bf2545baf1c56

    • SHA256

      06face8c213af14c21f7860c9605cef93512007d4528a0178436d55aea6f7698

    • SHA512

      9274ff2115e325a518e13b3eec69aaf56c7bed32675eeb21a24572d148d331eb50f57b0b16414b7f083f33df5678b6d6689a714698d2e91b397ef7432e5e1b77

    • 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.

    • Deletes itself

    • 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