Extracted

• • Target

    FN_kolt_woofer.exe

  • Size

    229KB

  • MD5

    88e82fa4e92eaed5b089d99ca669fbd3

  • SHA1

    c6287977d98930e7022fc1c6dfbfc4e302b724c8

  • SHA256

    1a4e8449edc0e1f28f95ee9eaba0129264d90168797e65c47502996b15fbcde5

  • SHA512

    5759f49a352d54c5d6be12b9f03d15757a802bde7da91f28bdac2ccc22f1afb852e3d734e54eb2e7f2129c8c4213421f991692882a15569a93430e137c1d1e7b

  • SSDEEP

    6144:lloZM+rIkd8g+EtXHkv/iD4T6FcHdmOhyU9va6vyvb8e1mti:noZtL+EP8T6FcHdmOhyU9va6vM/

  Score

  10^/10

  umbraldiscoveryexecutionspywarestealer

  • Detect Umbral payload

  • Umbral

    Umbral stealer is an opensource moduler stealer written in C#.

    stealerumbral

  • Umbral family

    umbral

  • Command and Scripting Interpreter: PowerShell

    Run Powershell to modify Windows Defender settings to add exclusions for file extensions, paths, and processes.

    execution

  • Drops file in Drivers directory

  • Deletes itself

  • Reads user/profile data of web browsers

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

    spywarestealer

  • 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.

  behavioral1behavioral2