General

  • Target

    ee8d7b14948e579cd5ec08df93a53cb9d952f7f3c7c7e265e31e71cf6f042243

  • Size

    277KB

  • Sample

    220117-j13h7ahcgj

  • MD5

    0c1ef73e6b690acce017f8928dd5311f

  • SHA1

    b5c91a17a2cd3e3bd3c9ecb2b2a81bc9be251304

  • SHA256

    ee8d7b14948e579cd5ec08df93a53cb9d952f7f3c7c7e265e31e71cf6f042243

  • SHA512

    64d98b4bbf6ecbac459635082ecd1aee8fba702fecbf8359fba7f9ee07886c1a5287280316449b0b08634c27e9608f78b39717b323541d3c0ec7cb4ac1f782e7

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

arkei

Botnet

Default

C2

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

Extracted

Family

raccoon

Version

1.8.4-hotfixs

rc4.plain

Targets

    • Target

      ee8d7b14948e579cd5ec08df93a53cb9d952f7f3c7c7e265e31e71cf6f042243

    • Size

      277KB

    • MD5

      0c1ef73e6b690acce017f8928dd5311f

    • SHA1

      b5c91a17a2cd3e3bd3c9ecb2b2a81bc9be251304

    • SHA256

      ee8d7b14948e579cd5ec08df93a53cb9d952f7f3c7c7e265e31e71cf6f042243

    • SHA512

      64d98b4bbf6ecbac459635082ecd1aee8fba702fecbf8359fba7f9ee07886c1a5287280316449b0b08634c27e9608f78b39717b323541d3c0ec7cb4ac1f782e7

    • 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.

    • Adds Run key to start application

    • Legitimate hosting services abused for malware hosting/C2

    • Drops file in System32 directory

    • Suspicious use of SetThreadContext

MITRE ATT&CK Matrix ATT&CK v6

Persistence

New Service

1
T1050

Modify Existing Service

1
T1031

Registry Run Keys / Startup Folder

2
T1060

Privilege Escalation

New Service

1
T1050

Defense Evasion

Modify Registry

2
T1112

Discovery

Query Registry

4
T1012

System Information Discovery

5
T1082

Peripheral Device Discovery

1
T1120

Command and Control

Web Service

1
T1102

Tasks