General

  • Target

    7fbbd00196a571d86684b068eb31a23516bccd2cacff35eed53480cc91753ca4

  • Size

    243KB

  • Sample

    210920-aqhllacfa3

  • MD5

    db1e2f69fec5233a6738141c364689db

  • SHA1

    1a29d236c443df8331b1b2f452ffe1691a3d1b9f

  • SHA256

    7fbbd00196a571d86684b068eb31a23516bccd2cacff35eed53480cc91753ca4

  • SHA512

    b51bdd89b2aeefce73e50e3e8bc350cbd6a3487a2583adf6d807bf38cd731e844e549d2647fc54bb50b72ebcbb04fd94995ac2e9a3998703f25a8b9ac5974cb7

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

installEXE

C2

146.70.35.170:30905

Extracted

Family

redline

Botnet

UDP

C2

45.9.20.20:13441

Targets

    • Target

      7fbbd00196a571d86684b068eb31a23516bccd2cacff35eed53480cc91753ca4

    • Size

      243KB

    • MD5

      db1e2f69fec5233a6738141c364689db

    • SHA1

      1a29d236c443df8331b1b2f452ffe1691a3d1b9f

    • SHA256

      7fbbd00196a571d86684b068eb31a23516bccd2cacff35eed53480cc91753ca4

    • SHA512

      b51bdd89b2aeefce73e50e3e8bc350cbd6a3487a2583adf6d807bf38cd731e844e549d2647fc54bb50b72ebcbb04fd94995ac2e9a3998703f25a8b9ac5974cb7

    • 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

    • 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

    • 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