General

  • Target

    b98cdc603ad1dd98de50586f0512be298597a5f2d8aeaf0e03238db27f53070b

  • Size

    295KB

  • Sample

    211211-v9d3qsbed6

  • MD5

    418d87f940234df8d5e5b6f609796eca

  • SHA1

    6324c319711d728174887a623a52a5b5ee6d2bfa

  • SHA256

    b98cdc603ad1dd98de50586f0512be298597a5f2d8aeaf0e03238db27f53070b

  • SHA512

    3d6d98d2163c90019f4253fe47d624a42e65d74c9ddfa4ecf6a9a8c80ba7654e7e7d9160c87dd4fcb4fa79171a09130acfd435ed3617675d33f677e6610dff91

Malware Config

Extracted

Family

cryptbot

C2

gombhn62.top

morcat06.top

Attributes
  • payload_url

    http://peuvbo18.top/download.php?file=champy.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

      b98cdc603ad1dd98de50586f0512be298597a5f2d8aeaf0e03238db27f53070b

    • Size

      295KB

    • MD5

      418d87f940234df8d5e5b6f609796eca

    • SHA1

      6324c319711d728174887a623a52a5b5ee6d2bfa

    • SHA256

      b98cdc603ad1dd98de50586f0512be298597a5f2d8aeaf0e03238db27f53070b

    • SHA512

      3d6d98d2163c90019f4253fe47d624a42e65d74c9ddfa4ecf6a9a8c80ba7654e7e7d9160c87dd4fcb4fa79171a09130acfd435ed3617675d33f677e6610dff91

    • 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.

    • 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