Resubmissions

01-02-2022 09:10

220201-k4279scee5 10

15-01-2022 13:42

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06-01-2022 15:26

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General

  • Target

    4446186b0133b453f35a839b841ba453377c9a5638c1d81ee2313bb3adc22aaf

  • Size

    339KB

  • Sample

    220106-qc3bvabcc4

  • MD5

    b75726b4b619811b4c50d917822a4083

  • SHA1

    ed8b418d7357609ce03c4f7123c0bb711b9d227d

  • SHA256

    4446186b0133b453f35a839b841ba453377c9a5638c1d81ee2313bb3adc22aaf

  • SHA512

    59516fdf6334f4005c7881322eb9a057939804e18ba8f13d0cb48fdc460aab19570c482e87700c6884807e1c885864ed422646f3150d9df731a10ecf5a7e05c9

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

Botnet

10da56e7e71e97bdc1f36eb76813bbc3231de7e4

Attributes
  • url4cnc

    http://194.180.174.53/capibar

    http://91.219.236.18/capibar

    http://194.180.174.41/capibar

    http://91.219.236.148/capibar

    https://t.me/capibar

rc4.plain
rc4.plain

Targets

    • Target

      4446186b0133b453f35a839b841ba453377c9a5638c1d81ee2313bb3adc22aaf

    • Size

      339KB

    • MD5

      b75726b4b619811b4c50d917822a4083

    • SHA1

      ed8b418d7357609ce03c4f7123c0bb711b9d227d

    • SHA256

      4446186b0133b453f35a839b841ba453377c9a5638c1d81ee2313bb3adc22aaf

    • SHA512

      59516fdf6334f4005c7881322eb9a057939804e18ba8f13d0cb48fdc460aab19570c482e87700c6884807e1c885864ed422646f3150d9df731a10ecf5a7e05c9

    • 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.

    • 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

    • XMRig Miner Payload

    • Creates new service(s)

    • Downloads MZ/PE file

    • Executes dropped EXE

    • Modifies Windows Firewall

    • Sets service image path in registry

    • 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.

    • Drops file in System32 directory

    • Suspicious use of NtSetInformationThreadHideFromDebugger

    • 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

1
T1060

Privilege Escalation

New Service

1
T1050

Defense Evasion

Disabling Security Tools

1
T1089

Modify Registry

3
T1112

Credential Access

Credentials in Files

2
T1081

Discovery

Query Registry

4
T1012

System Information Discovery

4
T1082

Peripheral Device Discovery

1
T1120

Collection

Data from Local System

2
T1005

Email Collection

1
T1114

Tasks