General

  • Target

    de345d53e84235341f624e64c6430a0c6ab674dfd69167ae59ca2be888627506

  • Size

    319KB

  • Sample

    220115-f13bmscga7

  • MD5

    f55e723078dc19c9c74852c30f767256

  • SHA1

    9bf01839141d08f2547c2ea240d3101e3a1124e6

  • SHA256

    de345d53e84235341f624e64c6430a0c6ab674dfd69167ae59ca2be888627506

  • SHA512

    b0307a4c24fbf12dc4ed07a4132bbaf80bef27e73e38b53a93cc27c072be9c2bd15a8bc7cf4b5241093dd12de60a379886d1df7fa6b04df58582b9088880aa8a

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

arkei

Botnet

Default

C2

http://file-file-host4.com/tratata.php

Extracted

Family

tofsee

C2

patmushta.info

parubey.info

Extracted

Family

raccoon

Version

1.8.4-hotfixs

rc4.plain

Targets

    • Target

      de345d53e84235341f624e64c6430a0c6ab674dfd69167ae59ca2be888627506

    • Size

      319KB

    • MD5

      f55e723078dc19c9c74852c30f767256

    • SHA1

      9bf01839141d08f2547c2ea240d3101e3a1124e6

    • SHA256

      de345d53e84235341f624e64c6430a0c6ab674dfd69167ae59ca2be888627506

    • SHA512

      b0307a4c24fbf12dc4ed07a4132bbaf80bef27e73e38b53a93cc27c072be9c2bd15a8bc7cf4b5241093dd12de60a379886d1df7fa6b04df58582b9088880aa8a

    • Arkei

      Arkei is an infostealer written in C++.

    • 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)

    • XMRig Miner Payload

    • Creates new service(s)

    • Downloads MZ/PE file

    • Executes dropped EXE

    • Modifies Windows Firewall

    • Sets service image path in registry

    • 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

    • 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.

    • Drops file in System32 directory

    • Suspicious use of NtSetInformationThreadHideFromDebugger

    • Suspicious use of SetThreadContext

MITRE ATT&CK Enterprise v6

Tasks