General

  • Target

    b5081c9709ebc129b0c291bcbfd6bc43ba07d3fcf6ebf93d678236128b2e533a

  • Size

    269KB

  • Sample

    210920-qshmdaeca6

  • MD5

    0c167526a62008e97a26b0f4b825abed

  • SHA1

    b6f34cef2f67bb8166be33faa49a91eb1ef3261f

  • SHA256

    b5081c9709ebc129b0c291bcbfd6bc43ba07d3fcf6ebf93d678236128b2e533a

  • SHA512

    d5edded50c8c119de819524a3ff6a0e58a80f823c1501977204178c2228158f79282d25655c53dfdc5a56da289d3e68a8ec64df2bc18292154d5f0e3f263a57f

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

installbv

C2

80.85.137.89:17954

Extracted

Family

redline

Botnet

Moneymaker

C2

185.244.217.166:56316

Targets

    • Target

      b5081c9709ebc129b0c291bcbfd6bc43ba07d3fcf6ebf93d678236128b2e533a

    • Size

      269KB

    • MD5

      0c167526a62008e97a26b0f4b825abed

    • SHA1

      b6f34cef2f67bb8166be33faa49a91eb1ef3261f

    • SHA256

      b5081c9709ebc129b0c291bcbfd6bc43ba07d3fcf6ebf93d678236128b2e533a

    • SHA512

      d5edded50c8c119de819524a3ff6a0e58a80f823c1501977204178c2228158f79282d25655c53dfdc5a56da289d3e68a8ec64df2bc18292154d5f0e3f263a57f

    • MedusaLocker

      Ransomware with several variants first seen in September 2019.

    • MedusaLocker Payload

    • Modifies WinLogon for persistence

    • Modifies security service

    • Process spawned unexpected child process

      This typically indicates the parent process was compromised via an exploit or macro.

    • 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.

    • Suspicious use of NtCreateUserProcessOtherParentProcess

    • Deletes shadow copies

      Ransomware often targets backup files to inhibit system recovery.

    • Modifies boot configuration data using bcdedit

    • Deletes System State backups

      Uses wbadmin.exe to inhibit system recovery.

    • Downloads MZ/PE file

    • Drops file in Drivers directory

    • Executes dropped EXE

    • Modifies Windows Firewall

    • Modifies extensions of user files

      Ransomware generally changes the extension on encrypted files.

    • 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.

    • 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.

    • Drops desktop.ini file(s)

    • Enumerates connected drives

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

    • Legitimate hosting services abused for malware hosting/C2

    • 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