Resubmissions

20-12-2021 14:27

211220-rssysabfbl 10

20-12-2021 14:17

211220-rlpmsabehq 10

General

  • Target

    d3d0d747febe769eff3b01ddf5317fd1

  • Size

    5.3MB

  • Sample

    211220-rlpmsabehq

  • MD5

    d3d0d747febe769eff3b01ddf5317fd1

  • SHA1

    c2c9444fe6215578de88ee1d9577d636388d16e3

  • SHA256

    c6aa02a56f11f479f9ae81a74af6cdf1fd8a13ab88e569aa01ab37604bbfc313

  • SHA512

    8c53059e7bfa2e61ad23817083df408ef4be04719eb634e40c487aeb1d62db0ebb43b975c76a33b7ac02b9d8fe5b58d5743f853e5a20e8324e5a054a04b04894

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

      d3d0d747febe769eff3b01ddf5317fd1

    • Size

      5.3MB

    • MD5

      d3d0d747febe769eff3b01ddf5317fd1

    • SHA1

      c2c9444fe6215578de88ee1d9577d636388d16e3

    • SHA256

      c6aa02a56f11f479f9ae81a74af6cdf1fd8a13ab88e569aa01ab37604bbfc313

    • SHA512

      8c53059e7bfa2e61ad23817083df408ef4be04719eb634e40c487aeb1d62db0ebb43b975c76a33b7ac02b9d8fe5b58d5743f853e5a20e8324e5a054a04b04894

    • 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