General

  • Target

    mixshop_20211221-183442

  • Size

    247KB

  • Sample

    211221-wlpp1afagj

  • MD5

    672938fc1c762288b6ca18f65e366636

  • SHA1

    0a3667daff229fa971d7a1288526a7ece37f9d81

  • SHA256

    ad057cc13cbce7eb5f73bcbf5155778a12116dfd0719522de89315b21f0abff3

  • SHA512

    c28f4b1bf549dfaf7bfe76928cebc0c30edd867532246b847e02f0176da53650b318db58607c2a082537f234d918f6d96f6019b7923de579eb1287e5621442d1

Malware Config

Extracted

Family

cryptbot

C2

daijve22.top

morvyg02.top

Attributes
  • payload_url

    http://liogci14.top/download.php?file=thongy.exe

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

      mixshop_20211221-183442

    • Size

      247KB

    • MD5

      672938fc1c762288b6ca18f65e366636

    • SHA1

      0a3667daff229fa971d7a1288526a7ece37f9d81

    • SHA256

      ad057cc13cbce7eb5f73bcbf5155778a12116dfd0719522de89315b21f0abff3

    • SHA512

      c28f4b1bf549dfaf7bfe76928cebc0c30edd867532246b847e02f0176da53650b318db58607c2a082537f234d918f6d96f6019b7923de579eb1287e5621442d1

    • 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.

    • Deletes itself

    • 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