General

  • Target

    c0448d733802bd6ebc97b099bdcb5744fcd6149c9075088e88eb0869a6d8d175

  • Size

    306KB

  • Sample

    220116-q8vlwafgfn

  • MD5

    7feecc977c92152424ae4e335253fe27

  • SHA1

    2076e05437a076a3a8aeca64631e6bb21cab39d9

  • SHA256

    c0448d733802bd6ebc97b099bdcb5744fcd6149c9075088e88eb0869a6d8d175

  • SHA512

    223440dac8d5dd6ace5e0eff1b4ffecb74552a2a2880d353946ba77bd8d70003ec7735d9c5e84ba46db85106c49b68b49ca5d8927b16289eb289509d7a719060

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
rc4.plain

Targets

    • Target

      c0448d733802bd6ebc97b099bdcb5744fcd6149c9075088e88eb0869a6d8d175

    • Size

      306KB

    • MD5

      7feecc977c92152424ae4e335253fe27

    • SHA1

      2076e05437a076a3a8aeca64631e6bb21cab39d9

    • SHA256

      c0448d733802bd6ebc97b099bdcb5744fcd6149c9075088e88eb0869a6d8d175

    • SHA512

      223440dac8d5dd6ace5e0eff1b4ffecb74552a2a2880d353946ba77bd8d70003ec7735d9c5e84ba46db85106c49b68b49ca5d8927b16289eb289509d7a719060

    • 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.

    • suricata: ET MALWARE Single char EXE direct download likely trojan (multiple families)

      suricata: ET MALWARE Single char EXE direct download likely trojan (multiple families)

    • suricata: ET MALWARE Terse alphanumeric executable downloader high likelihood of being hostile

      suricata: ET MALWARE Terse alphanumeric executable downloader high likelihood of being hostile

    • xmrig

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

    • Arkei Stealer Payload

    • XMRig Miner Payload

    • Creates new service(s)

    • Downloads MZ/PE file

    • Executes dropped EXE

    • Modifies Windows Firewall

    • Sets service image path in registry

    • Checks computer location settings

      Looks up country code configured in the registry, likely geofence.

    • Loads dropped DLL

    • Obfuscated with Agile.Net obfuscator

      Detects use of the Agile.Net commercial obfuscator, which is capable of entity renaming and control flow obfuscation.

    • Reads user/profile data of web browsers

      Infostealers often target stored browser data, which can include saved credentials etc.

    • 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.

    • Legitimate hosting services abused for malware hosting/C2

    • Drops file in System32 directory

    • Suspicious use of SetThreadContext

MITRE ATT&CK Enterprise v6

Tasks