General

  • Target

    33e18f2f4a356b559438fc4d9698eba00b7b739dad5ceabf32702e7716da7016

  • Size

    5.4MB

  • Sample

    211220-knyvxaahek

  • MD5

    ab2bfd5520e02a341489218b17b3044b

  • SHA1

    28989fcaa937d5f76de352cf132c0759e221f229

  • SHA256

    33e18f2f4a356b559438fc4d9698eba00b7b739dad5ceabf32702e7716da7016

  • SHA512

    034c0ba9a42651f577215c4d28b670132a5ed8c42cedcf25fe700ae5bf5c1dbb7257a5fb4127185b94a3c8a19652fa1e9f0c235fe4dcf06118a234847b63b1e3

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

      33e18f2f4a356b559438fc4d9698eba00b7b739dad5ceabf32702e7716da7016

    • Size

      5.4MB

    • MD5

      ab2bfd5520e02a341489218b17b3044b

    • SHA1

      28989fcaa937d5f76de352cf132c0759e221f229

    • SHA256

      33e18f2f4a356b559438fc4d9698eba00b7b739dad5ceabf32702e7716da7016

    • SHA512

      034c0ba9a42651f577215c4d28b670132a5ed8c42cedcf25fe700ae5bf5c1dbb7257a5fb4127185b94a3c8a19652fa1e9f0c235fe4dcf06118a234847b63b1e3

    • Danabot

      Danabot is a modular banking Trojan that has been linked with other malware.

    • Danabot Loader Component

    • Suspicious use of NtCreateProcessExOtherParentProcess

    • 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 Enterprise v6

Tasks