General

  • Target

    438215ec552fef4a43a10c331d658c04

  • Size

    128KB

  • Sample

    210929-sfw1cafbf6

  • MD5

    438215ec552fef4a43a10c331d658c04

  • SHA1

    a4941168e1269993b195b84fa272870c58bd6c10

  • SHA256

    e01749cfd587ae7029247ef900df2eb0e89e2fc594ca665d460a73bfa9564647

  • SHA512

    a3da5a1969e2166e3c0091c749f171c7c8ac915fe12873fce81af7d4f3fc5fab609f3b5cefbafde4b617fa4c64745b7a7e50d6194acfb1850c13b8e13accf302

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

redline

C2

92.246.89.6:38437

Extracted

Family

redline

Botnet

777777

C2

193.56.146.60:18243

Extracted

Family

redline

Botnet

5k superstar

C2

narlelalik.xyz:12509

Extracted

Family

redline

Botnet

@Dcm4Gentoo

C2

5.61.61.168:14462

Targets

    • Target

      438215ec552fef4a43a10c331d658c04

    • Size

      128KB

    • MD5

      438215ec552fef4a43a10c331d658c04

    • SHA1

      a4941168e1269993b195b84fa272870c58bd6c10

    • SHA256

      e01749cfd587ae7029247ef900df2eb0e89e2fc594ca665d460a73bfa9564647

    • SHA512

      a3da5a1969e2166e3c0091c749f171c7c8ac915fe12873fce81af7d4f3fc5fab609f3b5cefbafde4b617fa4c64745b7a7e50d6194acfb1850c13b8e13accf302

    • Gozi RM3

      A heavily modified version of Gozi using RM3 loader.

    • Modifies WinLogon for persistence

    • Modifies Windows Defender Real-time Protection settings

    • 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.

    • Nirsoft

    • XMRig Miner Payload

    • Blocklisted process makes network request

    • Creates new service(s)

    • Downloads MZ/PE file

    • Executes dropped EXE

    • Modifies Windows Firewall

    • Sets service image path in registry

    • Deletes itself

    • Drops startup file

    • Loads dropped DLL

    • Reads user/profile data of web browsers

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

    • 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.

    • Enumerates connected drives

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

    • Looks up external IP address via web service

      Uses a legitimate IP lookup service to find the infected system's external IP.

    • Drops file in System32 directory

    • Suspicious use of NtSetInformationThreadHideFromDebugger

    • Suspicious use of SetThreadContext

MITRE ATT&CK Enterprise v6

Tasks