General

  • Target

    3dc1556c2f61e7f99a844745571f523f789cf2221dbdbaa916c140d4f82366ce

  • Size

    5.4MB

  • Sample

    211221-r8ljmsefal

  • MD5

    72938547306c7c34e465fad3f1e1d9c4

  • SHA1

    e4746ffa624c7ac2e0983c7dd7661aa41d47876a

  • SHA256

    3dc1556c2f61e7f99a844745571f523f789cf2221dbdbaa916c140d4f82366ce

  • SHA512

    c73101e337aa3fab16e53dae7c859db354dbab32bdccd3905b2c6778af01ac842c62285ff2c9ff2fd5957663e056c7a82ddee1c69ea392a76acf2fb3b1192959

Malware Config

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

      3dc1556c2f61e7f99a844745571f523f789cf2221dbdbaa916c140d4f82366ce

    • Size

      5.4MB

    • MD5

      72938547306c7c34e465fad3f1e1d9c4

    • SHA1

      e4746ffa624c7ac2e0983c7dd7661aa41d47876a

    • SHA256

      3dc1556c2f61e7f99a844745571f523f789cf2221dbdbaa916c140d4f82366ce

    • SHA512

      c73101e337aa3fab16e53dae7c859db354dbab32bdccd3905b2c6778af01ac842c62285ff2c9ff2fd5957663e056c7a82ddee1c69ea392a76acf2fb3b1192959

    • 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

    • Themida packer

      Detects Themida, an advanced Windows software protection 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

Discovery

Query Registry

3
T1012

Virtualization/Sandbox Evasion

1
T1497

System Information Discovery

4
T1082

Command and Control

Web Service

1
T1102

Tasks