General

  • Target

    d77364d6a5b57734a5f6b8b2ca6c40e2598ba3fd623d6f31055a0b42cf1ed565

  • Size

    344KB

  • Sample

    220101-wp2hzagchr

  • MD5

    c5bb0e2fd653ec17c1f92d2632775bf2

  • SHA1

    717144acf8cd3866cb4de9189851b1b69c672ed1

  • SHA256

    d77364d6a5b57734a5f6b8b2ca6c40e2598ba3fd623d6f31055a0b42cf1ed565

  • SHA512

    47d165d74935a53a8a7c6809abadc6b5a166eb13662110e681bbd6db4b0ce9b9be900f99873d3601049b36c8068645d40589a51f349d8f6a66f89b71cd021125

Malware Config

Extracted

Family

smokeloader

Version

2020

C2

http://host-data-coin-11.com/

http://file-coin-host-12.com/

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

Extracted

Family

raccoon

rc4.plain

Extracted

Family

redline

Botnet

cheat

C2

45.147.196.146:6213

Extracted

Family

raccoon

Botnet

e9f10fade0328e7cef5c9f5bf00076086ba5a8a1

Attributes
  • url4cnc

    http://91.219.236.18/baldandbankrupt1

    http://194.180.174.41/baldandbankrupt1

    http://91.219.236.148/baldandbankrupt1

    https://t.me/baldandbankrupt1

rc4.plain
rc4.plain

Targets

    • Target

      d77364d6a5b57734a5f6b8b2ca6c40e2598ba3fd623d6f31055a0b42cf1ed565

    • Size

      344KB

    • MD5

      c5bb0e2fd653ec17c1f92d2632775bf2

    • SHA1

      717144acf8cd3866cb4de9189851b1b69c672ed1

    • SHA256

      d77364d6a5b57734a5f6b8b2ca6c40e2598ba3fd623d6f31055a0b42cf1ed565

    • SHA512

      47d165d74935a53a8a7c6809abadc6b5a166eb13662110e681bbd6db4b0ce9b9be900f99873d3601049b36c8068645d40589a51f349d8f6a66f89b71cd021125

    • Arkei

      Arkei is an infostealer written in C++.

    • Modifies WinLogon for persistence

    • Raccoon

      Simple but powerful infostealer which was very active in 2019.

    • RedLine

      RedLine Stealer is a malware family written in C#, first appearing in early 2020.

    • RedLine Payload

    • 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

    • suricata: ET MALWARE Win32/Vidar Variant Stealer CnC Exfil

      suricata: ET MALWARE Win32/Vidar Variant Stealer CnC Exfil

    • 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 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.

    • Checks whether UAC is enabled

    • Legitimate hosting services abused for malware hosting/C2

    • Drops file in System32 directory

    • Suspicious use of NtSetInformationThreadHideFromDebugger

    • Suspicious use of SetThreadContext

MITRE ATT&CK Matrix ATT&CK v6

Persistence

Winlogon Helper DLL

1
T1004

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

4
T1112

Disabling Security Tools

1
T1089

Virtualization/Sandbox Evasion

1
T1497

Credential Access

Credentials in Files

2
T1081

Discovery

Query Registry

5
T1012

Virtualization/Sandbox Evasion

1
T1497

System Information Discovery

5
T1082

Peripheral Device Discovery

1
T1120

Collection

Data from Local System

2
T1005

Command and Control

Web Service

1
T1102

Tasks