General

  • Target

    megre.exe

  • Size

    4.0MB

  • Sample

    240628-jgdeysxhle

  • MD5

    268e1c293401120cbf8cd6a84dccf2e9

  • SHA1

    5724512b69c6ce750a56fcb359d7cffd8de822fd

  • SHA256

    b29f7ff6aa3ad15cd643bd3fdd830d5ef9273d276ac122e581d2f9f5767d40d3

  • SHA512

    55c044142152a0930c49a7f216315540c0a31e51db5415916f9ba59480bf18c27318943f5549c20aa192145a64359b7c3d39aad59c33b272a75b34f1abb9ba63

  • SSDEEP

    98304:pIfqfMQC3igGnRrmOgkDV/OFYiT3rPNBWxBe2O:p8qIyvlm4p/OFNbf4eP

Malware Config

Extracted

Family

skuld

C2

https://discord.com/api/webhooks/1256150041513562143/LfrA9YKj_eB7YuAhTIl0O-spiEIkK-M3AYcBofAqSotskvUIB1bZRSbod7TXYgA7oLQp

Targets

    • Target

      megre.exe

    • Size

      4.0MB

    • MD5

      268e1c293401120cbf8cd6a84dccf2e9

    • SHA1

      5724512b69c6ce750a56fcb359d7cffd8de822fd

    • SHA256

      b29f7ff6aa3ad15cd643bd3fdd830d5ef9273d276ac122e581d2f9f5767d40d3

    • SHA512

      55c044142152a0930c49a7f216315540c0a31e51db5415916f9ba59480bf18c27318943f5549c20aa192145a64359b7c3d39aad59c33b272a75b34f1abb9ba63

    • SSDEEP

      98304:pIfqfMQC3igGnRrmOgkDV/OFYiT3rPNBWxBe2O:p8qIyvlm4p/OFNbf4eP

    • Skuld stealer

      An info stealer written in Go lang.

    • Command and Scripting Interpreter: PowerShell

      Using powershell.exe command.

    • Drops file in Drivers directory

    • Checks computer location settings

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

    • Executes dropped EXE

    • 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

    • 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.

    • Maps connected drives based on registry

      Disk information is often read in order to detect sandboxing environments.

MITRE ATT&CK Enterprise v15

Tasks