General

  • Target

    b3cd936376b43a026022d67bacfda333237e866c07e43777238a6e42c8e7a86a

  • Size

    331KB

  • Sample

    211225-yc6y2ahdfm

  • MD5

    106b6d1073c759e1ee83902dd0d9ee07

  • SHA1

    efe302d89fd6ed3cf3210403e90e4477833e70dc

  • SHA256

    b3cd936376b43a026022d67bacfda333237e866c07e43777238a6e42c8e7a86a

  • SHA512

    af036059054c64ff6f73ccb46d1cf6bc6288d6eb1a0efb72f03e636e1ae6e58fcf898bd2331bf08727bf545741011fd8fa98bb3c34c2e38c73623322a142b18d

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

parubey.info

patmushta.info

Extracted

Family

redline

Botnet

1

C2

86.107.197.138:38133

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

redline

Botnet

@cas

C2

87.249.53.87:63820

Targets

    • Target

      b3cd936376b43a026022d67bacfda333237e866c07e43777238a6e42c8e7a86a

    • Size

      331KB

    • MD5

      106b6d1073c759e1ee83902dd0d9ee07

    • SHA1

      efe302d89fd6ed3cf3210403e90e4477833e70dc

    • SHA256

      b3cd936376b43a026022d67bacfda333237e866c07e43777238a6e42c8e7a86a

    • SHA512

      af036059054c64ff6f73ccb46d1cf6bc6288d6eb1a0efb72f03e636e1ae6e58fcf898bd2331bf08727bf545741011fd8fa98bb3c34c2e38c73623322a142b18d

    • Arkei

      Arkei is an infostealer written in C++.

    • 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 Sharik/Smoke CnC Beacon 11

      suricata: ET MALWARE Sharik/Smoke CnC Beacon 11

    • 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

    • Identifies VirtualBox via ACPI registry values (likely anti-VM)

    • XMRig Miner Payload

    • Creates new service(s)

    • Downloads MZ/PE file

    • Executes dropped EXE

    • Modifies Installed Components in the registry

    • 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

    • 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

    • Enumerates connected drives

      Attempts to read the root path of hard drives other than the default C: drive.

    • Drops file in System32 directory

    • Suspicious use of NtSetInformationThreadHideFromDebugger

    • Suspicious use of SetThreadContext

MITRE ATT&CK Matrix ATT&CK v6

Execution

Scheduled Task

1
T1053

Persistence

New Service

1
T1050

Registry Run Keys / Startup Folder

2
T1060

Modify Existing Service

1
T1031

Scheduled Task

1
T1053

Privilege Escalation

New Service

1
T1050

Scheduled Task

1
T1053

Defense Evasion

Disabling Security Tools

1
T1089

Modify Registry

4
T1112

Virtualization/Sandbox Evasion

1
T1497

Credential Access

Credentials in Files

2
T1081

Discovery

Query Registry

7
T1012

Virtualization/Sandbox Evasion

1
T1497

System Information Discovery

7
T1082

Peripheral Device Discovery

2
T1120

Collection

Data from Local System

2
T1005

Tasks