General

  • Target
    e5557d99dc2956d0cce4a1cd9284302c.exe
  • Size 265KB
  • Sample211002-c6fs2sdehp
  • SHA256 f74d7500782ca945d3296cd4fcf19af60b7035ff65d646c64b0c8761e38ea193
  • MD5 SHA1 SHA512

Malware Config

Extracted

Family
  • smokeloader

Version
  • 2020

C2
  • http://fiskahlilian16.top/

  • http://paishancho17.top/

  • http://ydiannetter18.top/

  • http://azarehanelle19.top/

  • http://quericeriant20.top/

rc4.i32
rc4.i32

Extracted

Family
  • raccoon

Botnet
  • �ru2AC�^�����wL,Q֎�B��Mc1/`�`�1K�:�y�

Attributes
  • url4cnc

    �cb{K^�WXP�۸��fB:O�٩ϥ6=q!�(�p�2�d��oqix����7�W��e�gV�� ����1 ���J2�탾ݭ�

rc4.plain
rc4.plain

Extracted

Family
  • raccoon

Botnet
  • 5ff0ccb2bc00dc52d1ad09949e9c7663bc9ca4d4

Attributes
  • url4cnc

    https://t.me/agrybirdsgamerept

rc4.plain
rc4.plain

Extracted

Family
  • redline

Botnet
  • 114кk

C2
  • 193.56.146.60:18243

Targets

    • Target
      e5557d99dc2956d0cce4a1cd9284302c.exe
    • Size 265KB
    • SHA256 f74d7500782ca945d3296cd4fcf19af60b7035ff65d646c64b0c8761e38ea193
    • MD5 SHA1 SHA512
    • 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.

    • Turns off Windows Defender SpyNet reporting

    • Windows security bypass

    • suricata: ET MALWARE DNS Query Sinkhole Domain Various Families (Possible Infected Host)

      suricata: ET MALWARE DNS Query Sinkhole Domain Various Families (Possible Infected Host)

    • suricata: ET MALWARE Win32.Raccoon Stealer CnC Activity (dependency download)

      suricata: ET MALWARE Win32.Raccoon Stealer CnC Activity (dependency download)

    • suricata: ET MALWARE Win32.Raccoon Stealer Data Exfil Attempt

      suricata: ET MALWARE Win32.Raccoon Stealer Data Exfil Attempt

    • xmrig

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

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

    • Nirsoft

    • 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.

    • Windows security modification

    • 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

    • Drops file in System32 directory

    • Suspicious use of NtSetInformationThreadHideFromDebugger

    • Suspicious use of SetThreadContext

MITRE ATT&CK Enterprise v6

Tasks