General

  • Target

    f618840fdc6d40a683f35a268444ad53

  • Size

    1.0MB

  • Sample

    210814-wdl9p7wjbx

  • MD5

    f618840fdc6d40a683f35a268444ad53

  • SHA1

    259eaba7e8902e26f516f47f25aa35e78496b0d3

  • SHA256

    f60f32ec899bcb92fd50491a8c32f0548afbd4dc02462dfa373d484b4b161a86

  • SHA512

    eaef79404a16724db4eaa4e898d4ae3c575a8bcde0227aad94d0099b49b407676678113375252c085ce447188047a0e5233696d236208f81bf1519b9e4b920e7

Malware Config

Extracted

Language
ps1
Deobfuscated
URLs
exe.dropper

https://cdn.discordapp.com/attachments/875766613159333928/875766957905969182/matematecle.txt

Extracted

Language
ps1
Deobfuscated
URLs
ps1.dropper

https://raw.githubusercontent.com/sqlitey/sqlite/master/speed.ps1

Extracted

Family

redline

Botnet

080821

C2

cookiebrokrash.info:80

Extracted

Family

redline

Botnet

2

C2

lllwyerxedo.xyz:80

Targets

    • Target

      f618840fdc6d40a683f35a268444ad53

    • Size

      1.0MB

    • MD5

      f618840fdc6d40a683f35a268444ad53

    • SHA1

      259eaba7e8902e26f516f47f25aa35e78496b0d3

    • SHA256

      f60f32ec899bcb92fd50491a8c32f0548afbd4dc02462dfa373d484b4b161a86

    • SHA512

      eaef79404a16724db4eaa4e898d4ae3c575a8bcde0227aad94d0099b49b407676678113375252c085ce447188047a0e5233696d236208f81bf1519b9e4b920e7

    • RedLine

      RedLine Stealer is a malware family written in C#, first appearing in early 2020.

    • RedLine Payload

    • ServHelper

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

    • suricata: ET MALWARE ServHelper CnC Inital Checkin

      suricata: ET MALWARE ServHelper CnC Inital Checkin

    • suricata: ET MALWARE Terse alphanumeric executable downloader high likelihood of being hostile

      suricata: ET MALWARE Terse alphanumeric executable downloader high likelihood of being hostile

    • Grants admin privileges

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

    • Blocklisted process makes network request

    • Downloads MZ/PE file

    • Executes dropped EXE

    • Modifies RDP port number used by Windows

    • Possible privilege escalation attempt

    • Sets DLL path for service in the registry

    • UPX packed file

      Detects executables packed with UPX/modified UPX open source packer.

    • Checks computer location settings

      Looks up country code configured in the registry, likely geofence.

    • Deletes itself

    • Loads dropped DLL

    • Modifies file permissions

    • Accesses cryptocurrency files/wallets, possible credential harvesting

    • Drops file in System32 directory

    • Suspicious use of SetThreadContext

MITRE ATT&CK Enterprise v6

Tasks