Resubmissions

16/04/2025, 23:23

250416-3dkjmsw1ds10

16/04/2025, 23:22

250416-3crxbs1ms510

16/04/2025, 23:16

250416-29atms1ly810

16/04/2025, 23:10

250416-2523bswzgx10

16/04/2025, 21:45

250416-1madxsvzg110

16/04/2025, 21:28

250416-1be52azmt610

16/04/2025, 21:16

250416-z4vkrazlz910

16/04/2025, 21:06

250416-zx2eqavygy10

General

  • Target
    malware_samples.zip
  • Size 19.1MB
  • Sample250416-1be52azmt6
  • SHA256 487f4dd9bdbe94a9cf1a04a8fdec19f16f86864d05d06f0511544b3ff68c850c
  • MD5 SHA1 SHA512 SSDEEP

Malware Config

Extracted

Family
  • cobaltstrike

Botnet
  • 0

C2
  • http://ns7.softline.top:443/s/ref=nb_sb_noss_1/167-3294888-0262949/field-keywords=books

  • http://ns8.softline.top:443/s/ref=nb_sb_noss_1/167-3294888-0262949/field-keywords=books

  • http://ns9.softline.top:443/s/ref=nb_sb_noss_1/167-3294888-0262949/field-keywords=books

Attributes
  • access_type

    512

  • beacon_type

    256

  • create_remote_thread

    768

  • crypto_scheme

    256

  • host

    ns7.softline.top,/s/ref=nb_sb_noss_1/167-3294888-0262949/field-keywords=books,ns8.softline.top,/s/ref=nb_sb_noss_1/167-3294888-0262949/field-keywords=books,ns9.softline.top,/s/ref=nb_sb_noss_1/167-3294888-0262949/field-keywords=books

  • http_header1

    AAAACgAAAAtBY2NlcHQ6ICovKgAAAAoAAAAUSG9zdDogd3d3LmFtYXpvbi5jb20AAAAHAAAAAAAAAAMAAAACAAAADnNlc3Npb24tdG9rZW49AAAAAgAAAAxza2luPW5vc2tpbjsAAAABAAAALGNzbS1oaXQ9cy0yNEtVMTFCQjgyUlpTWUdKM0JES3wxNDE5ODk5MDEyOTk2AAAABgAAAAZDb29raWUAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAA==

  • http_header2

    AAAACgAAAAtBY2NlcHQ6ICovKgAAAAoAAAAWQ29udGVudC1UeXBlOiB0ZXh0L3htbAAAAAoAAAAgWC1SZXF1ZXN0ZWQtV2l0aDogWE1MSHR0cFJlcXVlc3QAAAAKAAAAFEhvc3Q6IHd3dy5hbWF6b24uY29tAAAACQAAAApzej0xNjB4NjAwAAAACQAAABFvZT1vZT1JU08tODg1OS0xOwAAAAcAAAAAAAAABQAAAAJzbgAAAAkAAAAGcz0zNzE3AAAACQAAACJkY19yZWY9aHR0cCUzQSUyRiUyRnd3dy5hbWF6b24uY29tAAAABwAAAAEAAAADAAAABAAAAAAAAA==

  • http_method1

    GET

  • http_method2

    POST

  • maxdns

    255

  • pipe_name

    \\%s\pipe\msagent_%x

  • polling_time

    5000

  • port_number

    443

  • sc_process32

    %windir%\syswow64\rundll32.exe

  • sc_process64

    %windir%\sysnative\rundll32.exe

  • state_machine

    MIGfMA0GCSqGSIb3DQEBAQUAA4GNADCBiQKBgQDI579oVVII0cYncGonU6vTWyFhqmq8w5QwvI8qsoWeV68Ngy+MjNPX2crcSVVWKQ3j09FII28KTmoE1XFVjEXF3WytRSlDe1OKfOAHX3XYkS9LcUAy0eRl2h4a73hrg1ir/rpisNT6hHtYaK3tmH8DgW/n1XfTfbWk1MZ7cXQHWQIDAQABAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAA==

  • unknown1

    4096

  • unknown2

    AAAABAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAA==

  • uri

    /N4215/adj/amzn.us.sr.aps

  • user_agent

    Mozilla/5.0 (Windows NT 6.1; WOW64; Trident/7.0; rv:11.0) like Gecko

  • watermark

    0

Extracted

Family
  • trickbot

Version
  • 1000501

Botnet
  • ono33

C2
  • 5.182.210.226:443

  • 5.182.210.120:443

  • 185.65.202.183:443

  • 212.80.217.243:443

  • 85.143.218.249:443

  • 194.5.250.178:443

  • 198.15.119.121:443

  • 107.175.87.142:443

  • 185.14.31.72:443

  • 188.165.62.2:443

  • 194.5.250.179:443

  • 198.15.119.71:443

  • 185.14.29.4:443

  • 185.99.2.202:443

  • 192.3.193.162:443

  • 89.191.234.89:443

  • 195.54.32.12:443

  • 31.131.21.30:443

  • 5.34.177.194:443

  • 190.214.13.2:449

Attributes
  • autorun
    Name:pwgrab
ecc_pubkey.base64

Signatures

  • Cobalt Strike reflective loader 2 IoCs

    Detects the reflective loader used by Cobalt Strike.

  • Cobaltstrike family
  • Trickbot family
  • XMRig Miner payload 2 IoCs
  • Xmrig family
  • Office macro that triggers on suspicious action 4 IoCs

    Office document macro which triggers in special circumstances - often malicious.

  • Suspicious Office macro 1 IoCs

    Office document equipped with macros.

  • Attempts to obfuscate APK file format

    Applies obfuscation techniques to the APK format in order to hinder analysis

  • Declares services with permission to bind to the system 1 IoCs
  • Requests dangerous framework permissions 3 IoCs
  • UPX packed file 1 IoCs

    Detects executables packed with UPX/modified UPX open source packer.

  • One or more HTTP URLs in PDF identified

    Detects presence of HTTP links in PDF files.

  • Unsigned PE 7 IoCs

    Checks for missing Authenticode signature.

File Explorer

  • malware_samples.zip
    .zip 19.1MB
  • virusshare/1/VirusShare_0a2d1ecedf3f79754aa2c18d62e75287
    .exe 5.7MB
  • virusshare/1/VirusShare_0aee78510c46e3a200b6bc21ac1c954d
    .exe 633KB
  • out.upx
    .exe 1.6MB
  • virusshare/1/VirusShare_0fea640a7da27f365b3675f73626b9c9
    .xls 937KB
  • virusshare/1/VirusShare_1ba8249d8503c0cf7bc125588c43bef9
    .doc 182KB
  • virusshare/1/VirusShare_3cd9a967b67fe69351e390195ca7a430
    .pdf 32KB
  • virusshare/1/malware
    .exe 5.7MB
  • virusshare/2/VirusShare_01b55404de50bd1a56343b2f316ff88d
    .exe 121KB
  • virusshare/2/VirusShare_1ad9a67240d5775395c45b64dd6529fa
    .exe 2.9MB
  • virusshare/2/VirusShare_2fe5b00079aec2d8369a798230313ec8
    .doc 125KB
  • virusshare/2/VirusShare_3f0b1eed4b7b9ae05fab4d949843f103
    .doc .vbs 35KB
  • virusshare/2/VirusShare_480ef02bb062a57724e1b3e14532a140
    .pdf 32KB
  • virusshare/2/wedding.apk
    .apk 5.3MB
  • virusshare/3/VirusShare_3fb34964fa7b8c6bfad8d960380ff04e
    .doc .vbs 34KB
  • virusshare/3/VirusShare_4675e87be15585e66b0c88b833dd9ecd
    .pdf 32KB
  • virusshare/3/VirusShare_4aa5734fe9c86184f931f4ddaf2d4d7b
    .exe 64KB
  • virusshare/3/VirusShare_5c8b670c503455baafbff400a446cf82
    .exe 208KB
  • virusshare/3/VirusShare_6ad036ba93c94d6976e2d93c7a3aec6f
    .doc 172KB
  • virusshare/3/delivery.apk
    .apk 5.3MB
  • virusshare/4/VirusShare_4b8eb7fe75f72c1c5c1f80af9cd165d2
    .doc 64KB
  • virusshare/4/VirusShare_6d2d7d94fe5faab76b3e786e7d810c1d
    .exe 2.3MB

malware_samples.zip

  • SHA256 487f4dd9bdbe94a9cf1a04a8fdec19f16f86864d05d06f0511544b3ff68c850c
  • MD5 SHA1 SHA512 SSDEEP
Password
infected