General

  • Target

    8fa5bd420dc9825b97ff67dfce099b6c98a1fd81926de89ee11470407cc41d93

  • Size

    402KB

  • Sample

    211203-qldpvaggbj

  • MD5

    fcf4eb8bd77e85b3e0af0678858ca534

  • SHA1

    6d8858a95b1d560ca7b3eb473e5dc6fc5b85e488

  • SHA256

    8fa5bd420dc9825b97ff67dfce099b6c98a1fd81926de89ee11470407cc41d93

  • SHA512

    590828cd507c2255aa92296d7c846f20750e012b6b871d595d6e4586aa582e6ae7be07311f3e8252fb355456778884aec0a6e39af639afbe103b6fd79b65f72f

Malware Config

Extracted

Family

cryptbot

C2

tisqls52.top

mordyk05.top

Attributes
  • payload_url

    http://danwyk16.top/download.php?file=kludge.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

      8fa5bd420dc9825b97ff67dfce099b6c98a1fd81926de89ee11470407cc41d93

    • Size

      402KB

    • MD5

      fcf4eb8bd77e85b3e0af0678858ca534

    • SHA1

      6d8858a95b1d560ca7b3eb473e5dc6fc5b85e488

    • SHA256

      8fa5bd420dc9825b97ff67dfce099b6c98a1fd81926de89ee11470407cc41d93

    • SHA512

      590828cd507c2255aa92296d7c846f20750e012b6b871d595d6e4586aa582e6ae7be07311f3e8252fb355456778884aec0a6e39af639afbe103b6fd79b65f72f

    • 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