General

  • Target

    f66bec48b69548e6081655e3c2a5385b6e0ae269844d30bb696723c8cadcd4ce

  • Size

    370KB

  • Sample

    211218-v3hscafde3

  • MD5

    5248dc311e901bf3c9da39096d4b2b82

  • SHA1

    091f8c8c277124ffa23f378558c33300f3feb554

  • SHA256

    f66bec48b69548e6081655e3c2a5385b6e0ae269844d30bb696723c8cadcd4ce

  • SHA512

    bc39f52e63147206d38bd9711ef6a535c380d4e276eefc78553e90b5c5eb7c011908bbdd40ffe810d6f021dbc5f10ea90f46aab37507f5d052beaf225d8a04b3

Malware Config

Extracted

Family

cryptbot

C2

sezdne62.top

morgwa06.top

Attributes
  • payload_url

    http://ekuwac17.top/download.php?file=boulle.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

      f66bec48b69548e6081655e3c2a5385b6e0ae269844d30bb696723c8cadcd4ce

    • Size

      370KB

    • MD5

      5248dc311e901bf3c9da39096d4b2b82

    • SHA1

      091f8c8c277124ffa23f378558c33300f3feb554

    • SHA256

      f66bec48b69548e6081655e3c2a5385b6e0ae269844d30bb696723c8cadcd4ce

    • SHA512

      bc39f52e63147206d38bd9711ef6a535c380d4e276eefc78553e90b5c5eb7c011908bbdd40ffe810d6f021dbc5f10ea90f46aab37507f5d052beaf225d8a04b3

    • 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