General

  • Target

    CeleryInstaller.exe

  • Size

    822KB

  • Sample

    250125-w19cyswrhq

  • MD5

    0bd82e264be214414d6dd26bac3e1770

  • SHA1

    5325e64053dcf599a9c5cedec532418716f9d357

  • SHA256

    60593ced1e78fd4b3fdffcd58bcde989d8e9b031b3ad9132815fdf614e0449d4

  • SHA512

    842a80fed2286d06987cd2dde7ae94fc6c7986eb49cc62684f62f148973e5080df7866e1d2f81d53cb5ac95ef9d88489f6765265e29104be0ae349c6a3164592

  • SSDEEP

    12288:c5SsIg0ZvkY29slOLJFbJZXM1Eg/2QAu4NRFNxIg0Z:Ru0ZvkY29+OLfzI2Q0NH10Z

Malware Config

Targets

    • Target

      CeleryInstaller.exe

    • Size

      822KB

    • MD5

      0bd82e264be214414d6dd26bac3e1770

    • SHA1

      5325e64053dcf599a9c5cedec532418716f9d357

    • SHA256

      60593ced1e78fd4b3fdffcd58bcde989d8e9b031b3ad9132815fdf614e0449d4

    • SHA512

      842a80fed2286d06987cd2dde7ae94fc6c7986eb49cc62684f62f148973e5080df7866e1d2f81d53cb5ac95ef9d88489f6765265e29104be0ae349c6a3164592

    • SSDEEP

      12288:c5SsIg0ZvkY29slOLJFbJZXM1Eg/2QAu4NRFNxIg0Z:Ru0ZvkY29+OLfzI2Q0NH10Z

    • Dharma

      Dharma is a ransomware that uses security software installation to hide malicious activities.

    • Dharma family

    • Deletes shadow copies

      Ransomware often targets backup files to inhibit system recovery.

    • Renames multiple (517) files with added filename extension

      This suggests ransomware activity of encrypting all the files on the system.

    • Downloads MZ/PE file

    • Checks computer location settings

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

    • Credentials from Password Stores: Windows Credential Manager

      Suspicious access to Credentials History.

    • Drops startup file

    • Executes dropped EXE

    • Loads dropped DLL

    • Reads user/profile data of web browsers

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

    • Adds Run key to start application

    • Drops desktop.ini file(s)

    • Legitimate hosting services abused for malware hosting/C2

    • Drops file in System32 directory

MITRE ATT&CK Enterprise v15

Tasks

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