Extracted

• • Target

    citrontoppest/citrontoppest/Citronyuh.exe

  • Size

    227KB

  • MD5

    867db374eb53605b40be55b3c1541e3c

  • SHA1

    26999780ea28d4902f2d4350bbbf5dab63591fd5

  • SHA256

    ca03916c2b0b804c70ab17755265b3db48fa97480aad3494764f45a1e746bb31

  • SHA512

    5210541fc651210c6aae04c78347db84c8e09a4f320e072f390d63fd03587d2764548ca82b41e23631457e852b093e5af3152275b636d55aa58212d6b48e14a0

  • SSDEEP

    6144:eloZMLrIkd8g+EtXHkv/iD4emzBywvrYyhkijD6C+b8e1m8i:IoZ0L+EP8emzBywvrYyhkijD6R6

  Score

  10^/10

  umbralcredential_accessexecutionspywarestealerdiscovery

  • Detect Umbral payload

  • Umbral

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

    stealerumbral

  • Credentials from Password Stores: Credentials from Web Browsers

    Malicious Access or copy of Web Browser Credential store.

    credential_accessstealer

  • 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

  • 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

• • Target

    citrontoppest/citrontoppest/citrontoppest/citronuh.exe

  • Size

    10.4MB

  • MD5

    3d7eba8252505d427990ba538c281293

  • SHA1

    673a164fb8c8e9526ef90b103d1514decbec3e43

  • SHA256

    825bd8a21087e0a8eb45f9c0891f3258704667b137630387df17a17fd41635c2

  • SHA512

    bf6035fb59e51e96592b321ff4502ffe37637b003417e37becc8e19b7326fef46cfc54d89b0a5d32084d67d1170f21032a9a71e565f51e2b0291a2f187c60613

  • SSDEEP

    196608:B8Ek2v8ZVqhxFdQmR8dA6ly8Qnf2ODjMnGydShTlXSEPuxXurbOiWoMCkHm:eEk+qVqNdQJl6F3MnG3xlCOuBurbfZaG

  Score

  9^/10

  credential_accessdiscoveryspywarestealer

  • Credentials from Password Stores: Credentials from Web Browsers

    Malicious Access or copy of Web Browser Credential store.

    credential_accessstealer

  • Drops startup file

  • Loads dropped DLL

  • Reads user/profile data of web browsers

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

    spywarestealer

  • Unsecured Credentials: Credentials In Files

    Steal credentials from unsecured files.

    credential_accessstealer

  • Accesses cryptocurrency files/wallets, possible credential harvesting

    spyware

  • 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.

  behavioral3behavioral4

• • Target

    citrontoppest/citrontoppest/citrontoppest/updatechecker/updatecheckercitron.exe

  • Size

    227KB

  • MD5

    a6db1722b4ed09cd06fbdf6f80df47da

  • SHA1

    1fe86fceb4884cb37c4187591ccecd7a4c4d9c15

  • SHA256

    ed1deb13b32c20b6cd35d50351c78d3729315dac5da6f5795dae2c14bed8520b

  • SHA512

    61542031f6f60fca814400c9ec21c0eefa15422646c30b5b3192231a4d5a5845681f7d619818fa0c7c448f860101790d7971c80aa90637e58956b33023079785

  • SSDEEP

    6144:+loZMLrIkd8g+EtXHkv/iD4cYiL+cCFdWQj+ctBIpHb8e1mUi:ooZ0L+EP8cYiL+cCFdWQj+ctBIhK

  Score

  10^/10

  umbralcredential_accessexecutionspywarestealer

  • Detect Umbral payload

  • Umbral

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

    stealerumbral

  • Credentials from Password Stores: Credentials from Web Browsers

    Malicious Access or copy of Web Browser Credential store.

    credential_accessstealer

  • Command and Scripting Interpreter: PowerShell

    Using powershell.exe command.

    execution

  • 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

  • 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.

  behavioral5behavioral6

• • Target

    citrontoppest/citrontoppest/updatechecker/updatecheckercitron.exe

  • Size

    227KB

  • MD5

    a6db1722b4ed09cd06fbdf6f80df47da

  • SHA1

    1fe86fceb4884cb37c4187591ccecd7a4c4d9c15

  • SHA256

    ed1deb13b32c20b6cd35d50351c78d3729315dac5da6f5795dae2c14bed8520b

  • SHA512

    61542031f6f60fca814400c9ec21c0eefa15422646c30b5b3192231a4d5a5845681f7d619818fa0c7c448f860101790d7971c80aa90637e58956b33023079785

  • SSDEEP

    6144:+loZMLrIkd8g+EtXHkv/iD4cYiL+cCFdWQj+ctBIpHb8e1mUi:ooZ0L+EP8cYiL+cCFdWQj+ctBIhK

  Score

  10^/10

  umbralcredential_accessexecutionspywarestealer

  • Detect Umbral payload

  • Umbral

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

    stealerumbral

  • Credentials from Password Stores: Credentials from Web Browsers

    Malicious Access or copy of Web Browser Credential store.

    credential_accessstealer

  • Command and Scripting Interpreter: PowerShell

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

    execution

  • Command and Scripting Interpreter: PowerShell

    Using powershell.exe command.

    execution

  • Drops file in Drivers directory

  • 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.

  behavioral7behavioral8