General

  • Target

    28a146249ee0d1cf4bb5fe0e8a56f94c917821ad3d16a1958623d09e4a2ce633

  • Size

    244KB

  • Sample

    210919-y4g4zsfbcj

  • MD5

    f6687c1b060443857627aa82bc9e3b07

  • SHA1

    9d84d05424ec77ab8634d258ee335d91655aa97d

  • SHA256

    28a146249ee0d1cf4bb5fe0e8a56f94c917821ad3d16a1958623d09e4a2ce633

  • SHA512

    d2f824a4d59f0da84929563ec46fbf9f23799d60e607050c39c142e01db07abc60f7b3f07bfd9175b9264ebe27e49f9e8ca4078131ca1f5b015246049338c92b

Malware Config

Extracted

Family

smokeloader

Version

2020

C2

http://venerynnet1.top/

http://kevonahira2.top/

http://vegangelist3.top/

http://kingriffaele4.top/

http://arakeishant5.top/

rc4.i32
rc4.i32

Extracted

Family

redline

Botnet

UDP

C2

45.9.20.20:13441

Targets

    • Target

      28a146249ee0d1cf4bb5fe0e8a56f94c917821ad3d16a1958623d09e4a2ce633

    • Size

      244KB

    • MD5

      f6687c1b060443857627aa82bc9e3b07

    • SHA1

      9d84d05424ec77ab8634d258ee335d91655aa97d

    • SHA256

      28a146249ee0d1cf4bb5fe0e8a56f94c917821ad3d16a1958623d09e4a2ce633

    • SHA512

      d2f824a4d59f0da84929563ec46fbf9f23799d60e607050c39c142e01db07abc60f7b3f07bfd9175b9264ebe27e49f9e8ca4078131ca1f5b015246049338c92b

    • 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.

    • 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

    • xmrig

      XMRig is a high performance, open source, cross platform CPU/GPU miner.

    • 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

    • Drops startup file

    • Loads dropped DLL

    • Reads user/profile data of local email clients

      Email clients store some user data on disk where infostealers will often target it.

    • Reads user/profile data of web browsers

      Infostealers often target stored browser data, which can include saved credentials etc.

    • Themida packer

      Detects Themida, an advanced Windows software protection system.

    • 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 Enterprise v6

Tasks