General

  • Target

    57fcdced3f604edf43e4576f17b23b49ea593fc8dd8194081edbc5c96def6a26

  • Size

    263KB

  • Sample

    220108-plgwtsdac2

  • MD5

    ed4c8d69f7e7e4e58eef85edd780503e

  • SHA1

    faeba237a67bfb559b8b21ca7a4431bab7c4cb35

  • SHA256

    57fcdced3f604edf43e4576f17b23b49ea593fc8dd8194081edbc5c96def6a26

  • SHA512

    4303bb07e6444fc43ebaaa34cb0a75b9c5cd187c8e549261779e12676180b0ab18804e438773cb5130a21713306e8fecaa4b3f68bfdded61dbcd02c30bc21881

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

      57fcdced3f604edf43e4576f17b23b49ea593fc8dd8194081edbc5c96def6a26

    • Size

      263KB

    • MD5

      ed4c8d69f7e7e4e58eef85edd780503e

    • SHA1

      faeba237a67bfb559b8b21ca7a4431bab7c4cb35

    • SHA256

      57fcdced3f604edf43e4576f17b23b49ea593fc8dd8194081edbc5c96def6a26

    • SHA512

      4303bb07e6444fc43ebaaa34cb0a75b9c5cd187c8e549261779e12676180b0ab18804e438773cb5130a21713306e8fecaa4b3f68bfdded61dbcd02c30bc21881

    • 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

    • 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.

    • 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 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

2
T1112

Credential Access

Credentials in Files

2
T1081

Discovery

Query Registry

3
T1012

System Information Discovery

3
T1082

Peripheral Device Discovery

1
T1120

Collection

Data from Local System

2
T1005

Email Collection

1
T1114

Tasks