General

  • Target

    asdfghz.zip

  • Size

    255KB

  • Sample

    211118-3jn41sgbcr

  • MD5

    70eee3d4edd1cf1969d95d4d568d86e5

  • SHA1

    146b9b30589977d988b64b622e4146298c5869fc

  • SHA256

    a356640c2a6d7d3f0dbe3a069b8f56e9dafe2da03d3df9606133417d1b5ca258

  • SHA512

    c6d694f383493e5d605cdb418766edc25285aa826db1b194cf9ab694d4d6b7f5c82d9613223bc45dd1108b08a976564361b05b574f8d621fbf5545ae8125c2d9

Malware Config

Extracted

Family

socelars

C2

http://www.gianninidesign.com/

Extracted

Family

smokeloader

Version

2020

C2

http://host-file-host6.com/

http://host-host-file8.com/

rc4.i32
rc4.i32

Extracted

Family

metasploit

Version

windows/single_exec

Extracted

Family

vidar

Version

48.6

Botnet

937

C2

https://mastodon.online/@valhalla

https://koyu.space/@valhalla

Attributes
profile_id
937

Targets

    • Target

      Setup.exe

    • Size

      554KB

    • MD5

      d9552a15a61f255df3206b63ee0383be

    • SHA1

      7c76e2edcf184b90d40003dac71b08e3a3ed2e8c

    • SHA256

      0cdd906491990c6ba9c24bdd60172057587859a8e649ba7f4b51fece9a0fdac6

    • SHA512

      0ce1db824d226df28177b6e5394fa1f8483333583d8332680d4cf0cfc8627a53d69c1c857b319dd200e0f38bf88d445a4289d78472fe3167cc39ae6a85f21599

    • MetaSploit

      Detected malicious payload which is part of the Metasploit Framework, likely generated with msfvenom or similar.

    • Modifies Windows Defender Real-time Protection settings

    • Process spawned unexpected child process

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

    • SmokeLoader

      Modular backdoor trojan in use since 2014.

    • Socelars

      Socelars is an infostealer targeting browser cookies and credit card credentials.

    • Socelars Payload

    • Vidar

      Vidar is an infostealer based on Arkei stealer.

    • suricata: ET MALWARE Win32/Unk.HRESQ! MultiDownloader Checkin

      suricata: ET MALWARE Win32/Unk.HRESQ! MultiDownloader Checkin

    • suricata: ET MALWARE Win32/Unk.HRESQ! MultiDownloader Checkin M2

      suricata: ET MALWARE Win32/Unk.HRESQ! MultiDownloader Checkin M2

    • Vidar Stealer

    • Downloads MZ/PE file

    • Executes dropped EXE

    • Checks computer location settings

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

    • Loads dropped DLL

    • 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.

    • Checks installed software on the system

      Looks up Uninstall key entries in the registry to enumerate software on the system.

    • 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.

    • Looks up geolocation information via web service

      Uses a legitimate geolocation service to find the infected system's geolocation info.

MITRE ATT&CK Matrix

Command and Control

    Credential Access

    Execution

      Exfiltration

        Impact

          Initial Access

            Lateral Movement

              Privilege Escalation