General

  • Target

    91d1851a7dfd2133102df6f58b34823726796744e62f61e4181b977026b19d6b_JC.exe

  • Size

    326KB

  • Sample

    230826-sdjl8sbc94

  • MD5

    8330ee5e6df29bdb94e65f2c93e3da24

  • SHA1

    8b5d4da807717806579cc9dc117f8a91f75154ec

  • SHA256

    91d1851a7dfd2133102df6f58b34823726796744e62f61e4181b977026b19d6b

  • SHA512

    1cdad334545c2eec3ab6b1a9ac1e12c4b358bf863eae96ababe6bdc6c6706ce0a20e16b6bb20d94247477c0c6ba93a94572adf5305dd5b7fca09dbcfa6830ed6

  • SSDEEP

    1536:QRhmabwrFnOATLZ+ZlDD4444444444444444444444444444444444444444444x:CupU1Wg8sZ/FXdVi3F6T6qo

Score
10/10

Malware Config

Extracted

Family

buer

C2

https://161.35.192.121/

Targets

    • Target

      91d1851a7dfd2133102df6f58b34823726796744e62f61e4181b977026b19d6b_JC.exe

    • Size

      326KB

    • MD5

      8330ee5e6df29bdb94e65f2c93e3da24

    • SHA1

      8b5d4da807717806579cc9dc117f8a91f75154ec

    • SHA256

      91d1851a7dfd2133102df6f58b34823726796744e62f61e4181b977026b19d6b

    • SHA512

      1cdad334545c2eec3ab6b1a9ac1e12c4b358bf863eae96ababe6bdc6c6706ce0a20e16b6bb20d94247477c0c6ba93a94572adf5305dd5b7fca09dbcfa6830ed6

    • SSDEEP

      1536:QRhmabwrFnOATLZ+ZlDD4444444444444444444444444444444444444444444x:CupU1Wg8sZ/FXdVi3F6T6qo

    Score
    10/10
    • Buer

      Buer is a new modular loader first seen in August 2019.

    • Modifies WinLogon for persistence

    • Buer Loader

      Detects Buer loader in memory or disk.

    • Deletes itself

    • Executes dropped EXE

    • Loads dropped DLL

MITRE ATT&CK Enterprise v15

Tasks