General

  • Target

    loader.exe

  • Size

    231KB

  • Sample

    240314-zy23msfc21

  • MD5

    c534087d8b0da713f69ff7674465bb17

  • SHA1

    f2ecb66437aa0ec06cce908428b6b891aed74071

  • SHA256

    9bfbe65dc852646119cde7e50ba948d7fae6d80f2bc6483273478f398a726f97

  • SHA512

    f7165e561a0f76b524e3db552e09caf44f3ef5200934e5de45163df386a0d769674148e741107acf5b92aa4b9e34c54cc5582d955da3892dc5986aef51bf4815

  • SSDEEP

    6144:xloZMArIkd8g+EtXHkv/iD434SD34QWRJ6KyvSgR1EPab8e1m0i:DoZHL+EP8oE34QWRJ63vSgR1E+m

Score
10/10

Malware Config

Extracted

Family

umbral

C2

https://discord.com/api/webhooks/1216116533479346246/GCn9E-FI2n_nCpNoEWOQeSmsFZHsV_6zisdplLLN7TeuZDUQAAOT92vHBBSjr3uvmeYM

Targets

    • Target

      loader.exe

    • Size

      231KB

    • MD5

      c534087d8b0da713f69ff7674465bb17

    • SHA1

      f2ecb66437aa0ec06cce908428b6b891aed74071

    • SHA256

      9bfbe65dc852646119cde7e50ba948d7fae6d80f2bc6483273478f398a726f97

    • SHA512

      f7165e561a0f76b524e3db552e09caf44f3ef5200934e5de45163df386a0d769674148e741107acf5b92aa4b9e34c54cc5582d955da3892dc5986aef51bf4815

    • SSDEEP

      6144:xloZMArIkd8g+EtXHkv/iD434SD34QWRJ6KyvSgR1EPab8e1m0i:DoZHL+EP8oE34QWRJ63vSgR1E+m

    Score
    10/10
    • Detect Umbral payload

    • Umbral

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

    • Drops file in Drivers directory

    • Reads user/profile data of web browsers

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

    • 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.

MITRE ATT&CK Enterprise v15

Tasks