General

  • Target

    f22d4a1729b3e55190d224087c7569623012ca99978b01e3649714bf71b2ec04

  • Size

    166KB

  • Sample

    211008-17y8saehb9

  • MD5

    255c697e144c7fe1471f1564da42c959

  • SHA1

    1741b74c88aeb8bee82ff4c4ae227340aba33c80

  • SHA256

    f22d4a1729b3e55190d224087c7569623012ca99978b01e3649714bf71b2ec04

  • SHA512

    1fbb9e6425712df6c795d2bfdd934c221ef5e63da681d2032f423549c09895ccc0847b052c1f6c0756f2881069342965d738012aac3db188b3a8a201c0ad4cc7

Malware Config

Extracted

Family

smokeloader

Version

2020

C2

http://fazanaharahe10.top/

http://xandelissane20.top/

http://ustiassosale30.top/

http://cytheriata40.top/

http://ggiergionard50.top/

rc4.i32
rc4.i32

Extracted

Family

raccoon

Version

1.8.2

Botnet

dfb936558dbffed9bca02e41d7a111295cf4a71e

Attributes
  • url4cnc

    http://teletop.top/rocketmanthem2

    http://teleta.top/rocketmanthem2

    https://t.me/rocketmanthem2

rc4.plain
rc4.plain

Extracted

Family

raccoon

Version

1.8.2

Botnet

8d179b9e611eee525425544ee8c6d77360ab7cd9

Attributes
  • url4cnc

    http://teletop.top/agrybirdsgamerept

    http://teleta.top/agrybirdsgamerept

    https://t.me/agrybirdsgamerept

rc4.plain
rc4.plain

Targets

    • Target

      f22d4a1729b3e55190d224087c7569623012ca99978b01e3649714bf71b2ec04

    • Size

      166KB

    • MD5

      255c697e144c7fe1471f1564da42c959

    • SHA1

      1741b74c88aeb8bee82ff4c4ae227340aba33c80

    • SHA256

      f22d4a1729b3e55190d224087c7569623012ca99978b01e3649714bf71b2ec04

    • SHA512

      1fbb9e6425712df6c795d2bfdd934c221ef5e63da681d2032f423549c09895ccc0847b052c1f6c0756f2881069342965d738012aac3db188b3a8a201c0ad4cc7

    • Modifies WinLogon for persistence

    • Raccoon

      Simple but powerful infostealer which was very active in 2019.

    • ServHelper

      ServHelper is a backdoor written in Delphi and is associated with the hacking group TA505.

    • SmokeLoader

      Modular backdoor trojan in use since 2014.

    • xmrig

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

    • Grants admin privileges

      Uses net.exe to modify the user's privileges.

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

    • Downloads MZ/PE file

    • Executes dropped EXE

    • Modifies RDP port number used by Windows

    • Sets DLL path for service in the 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 Microsoft Outlook accounts

    • Accesses Microsoft Outlook profiles

    • 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

    • Drops file in System32 directory

    • Suspicious use of NtSetInformationThreadHideFromDebugger

    • Suspicious use of SetThreadContext

MITRE ATT&CK Enterprise v6

Tasks