General

  • Target

    de43490e04a635a49d186de172e099d6d0c15e33e55606c1885e5b3e5c01a63d

  • Size

    290KB

  • Sample

    220109-1edflsdga2

  • MD5

    c0e0701d9d29ab707e554344a6a42834

  • SHA1

    bae9ad53e005632d5e99ab01c13f79a50573eb2b

  • SHA256

    de43490e04a635a49d186de172e099d6d0c15e33e55606c1885e5b3e5c01a63d

  • SHA512

    1f19fb2a1d290df6de8c000792de1e4f744387e0e354ee5e0ab50513ccd27f93ca8e79bb6bcbd34ca17aec906ec0934d4bc0cfb6627e5d09460cab90cde73eb8

Malware Config

Extracted

Family

smokeloader

Version

2020

C2

http://host-data-coin-11.com/

http://file-coin-host-12.com/

http://srtuiyhuali.at/

http://fufuiloirtu.com/

http://amogohuigotuli.at/

http://novohudosovu.com/

http://brutuilionust.com/

http://bubushkalioua.com/

http://dumuilistrati.at/

http://verboliatsiaeeees.com/

rc4.i32
rc4.i32
rc4.i32
rc4.i32

Extracted

Family

tofsee

C2

patmushta.info

parubey.info

Extracted

Family

raccoon

Version

1.8.4-hotfixs

rc4.plain

Targets

    • Target

      de43490e04a635a49d186de172e099d6d0c15e33e55606c1885e5b3e5c01a63d

    • Size

      290KB

    • MD5

      c0e0701d9d29ab707e554344a6a42834

    • SHA1

      bae9ad53e005632d5e99ab01c13f79a50573eb2b

    • SHA256

      de43490e04a635a49d186de172e099d6d0c15e33e55606c1885e5b3e5c01a63d

    • SHA512

      1f19fb2a1d290df6de8c000792de1e4f744387e0e354ee5e0ab50513ccd27f93ca8e79bb6bcbd34ca17aec906ec0934d4bc0cfb6627e5d09460cab90cde73eb8

    • Arkei

      Arkei is an infostealer written in C++.

    • LoaderBot

      LoaderBot is a loader written in .NET downloading and executing miners.

    • Raccoon

      Simple but powerful infostealer which was very active in 2019.

    • SmokeLoader

      Modular backdoor trojan in use since 2014.

    • Suspicious use of NtCreateProcessExOtherParentProcess

    • Tofsee

      Backdoor/botnet which carries out malicious activities based on commands from a C2 server.

    • Windows security bypass

    • xmrig

      XMRig is a high performance, open source, cross platform CPU/GPU miner.

    • Arkei Stealer Payload

    • Identifies VirtualBox via ACPI registry values (likely anti-VM)

    • LoaderBot executable

    • XMRig Miner Payload

    • Blocklisted process makes network request

    • Creates new service(s)

    • Downloads MZ/PE file

    • Executes dropped EXE

    • Modifies Windows Firewall

    • Sets service image path in registry

    • UPX packed file

      Detects executables packed with UPX/modified UPX open source packer.

    • 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.

    • Accesses Microsoft Outlook profiles

    • Accesses cryptocurrency files/wallets, possible credential harvesting

    • Adds Run key to start application

    • 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

    • Drops file in System32 directory

    • Suspicious use of NtSetInformationThreadHideFromDebugger

    • Suspicious use of SetThreadContext

MITRE ATT&CK Enterprise v6

Tasks