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
  • Sample250416-3dkjmsw1ds
  • 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

Extracted

Language
  • ps1

Deobfuscated
Source
URLs
  • exe.dropper

    https://sandiegohomevalues.com/engl/4de-kzsyhu-768611/

  • exe.dropper

    https://www.wenkawang.com/data/bofze0s-7ji4-15/

  • exe.dropper

    https://www.bruidsfotograaf-utrecht.com/wp-includes/QLvFLy/

  • exe.dropper

    http://ma.jopedu.com/img/8z8dl-3xn-655019278/

  • exe.dropper

    http://pay.jopedu.com/ThinkPHP/l9okcguh6-b9nnrh7-96245524/

Extracted

Family
  • guloader

C2
  • https://eficadgdl.com/well/Omitted-Credentials_encrypted_6A17930.bin

xor.base64

Extracted

Language
  • xlm4.0

Source

Extracted

Language
  • ps1

Deobfuscated
Source
URLs
  • exe.dropper

    http://diwafashions.com/wp-admin/mqau6/

  • exe.dropper

    http://designers.hotcom-web.com/ubkskw29clek/qnpm1p/

  • exe.dropper

    http://dixartcontractors.com/cgi-bin/nnuv/

  • exe.dropper

    http://diaspotv.info/wordpress/G/

  • exe.dropper

    http://easyvisaoverseas.com/cgi-bin/v/

Targets

    • Target
      virusshare/1/VirusShare_0a2d1ecedf3f79754aa2c18d62e75287
    • Size 5.7MB
    • SHA256 e800fce6aadc7792b912abbb693aafe0905a5ab52bc92de9e2a50089de312be9
    • MD5 SHA1 SHA512 SSDEEP
    Score
    1/10
    • Target
      virusshare/1/VirusShare_0aee78510c46e3a200b6bc21ac1c954d
    • Size 633KB
    • SHA256 c7d63abc749b1f4e245bd377c11ca5857735491eddab5c176ae99a3b7bf9e0ca
    • MD5 SHA1 SHA512 SSDEEP
    Score
    5/10
    • UPX packed file

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

    • Target
      virusshare/1/VirusShare_0fea640a7da27f365b3675f73626b9c9
    • Size 937KB
    • SHA256 64af94592f6707505fa6f42b58776c3635706a414e6362a92f707df84627679c
    • MD5 SHA1 SHA512 SSDEEP
    Score
    10/10
    • TA505

      Cybercrime group active since 2015, responsible for families like Dridex and Locky.

    • Ta505 family

    • Loads dropped DLL

    • Target
      virusshare/1/VirusShare_1ba8249d8503c0cf7bc125588c43bef9
    • Size 182KB
    • SHA256 a44031feb2a71980a0980377c8f7b6f3b5b9dfa0f708556dd420be323c7e1a38
    • MD5 SHA1 SHA512 SSDEEP
    Score
    10/10
    • Process spawned unexpected child process

      This typically indicates the parent process was compromised via an exploit or macro.

    • Blocklisted process makes network request

    • Command and Scripting Interpreter: PowerShell

      Run Powershell and hide display window.

    • Target
      virusshare/1/VirusShare_3cd9a967b67fe69351e390195ca7a430
    • Size 32KB
    • SHA256 e96e3b90d9483a2e463fdda0edf27310ed10fbdb8a8b920c6480ca93bb2e1077
    • MD5 SHA1 SHA512 SSDEEP
    Score
    3/10
    • Target
      virusshare/1/malware
    • Size 5.7MB
    • SHA256 e800fce6aadc7792b912abbb693aafe0905a5ab52bc92de9e2a50089de312be9
    • MD5 SHA1 SHA512 SSDEEP
    Score
    1/10
    • Target
      virusshare/2/VirusShare_01b55404de50bd1a56343b2f316ff88d
    • Size 121KB
    • SHA256 69bd652ace6469311a49a12f66bbbc691bdfc69aba958dd02d928464cbb46609
    • MD5 SHA1 SHA512 SSDEEP
    Score
    3/10
    • Target
      virusshare/2/VirusShare_1ad9a67240d5775395c45b64dd6529fa
    • Size 2.9MB
    • SHA256 3751298058a2a5d0912caa35bfdbafa48ae788647b536e69ad383c7c1990dd9d
    • MD5 SHA1 SHA512 SSDEEP
    Score
    3/10
    • Target
      virusshare/2/VirusShare_2fe5b00079aec2d8369a798230313ec8
    • Size 125KB
    • SHA256 8eb6805a0852b220695175ce81a5b139f1438dc06ea3fc1347b047702880374c
    • MD5 SHA1 SHA512 SSDEEP
    Score
    10/10
    • Process spawned unexpected child process

      This typically indicates the parent process was compromised via an exploit or macro.

    • Blocklisted process makes network request

    • Command and Scripting Interpreter: PowerShell

      Run Powershell and hide display window.

    • Target
      virusshare/2/VirusShare_3f0b1eed4b7b9ae05fab4d949843f103
    • Size 35KB
    • SHA256 ce21d34bafe338effb8f619936f057084cb45743fce884a1465966d8523a00a8
    • MD5 SHA1 SHA512 SSDEEP
    Score
    1/10
    • Target
      virusshare/2/VirusShare_480ef02bb062a57724e1b3e14532a140
    • Size 32KB
    • SHA256 b2e302356d613a814a41d356a61cee24fc133dd032e4b02d8e29436aedd8d742
    • MD5 SHA1 SHA512 SSDEEP
    Score
    3/10
    • Target
      virusshare/2/wedding.apk
    • Size 5.3MB
    • SHA256 7a42d7809fdef76fe0580d09ef6780a96c000d97712236e6550d7fff061e122a
    • MD5 SHA1 SHA512 SSDEEP
    Score
    1/10
    • Target
      virusshare/3/VirusShare_3fb34964fa7b8c6bfad8d960380ff04e
    • Size 34KB
    • SHA256 26026b1b3d0cb660c6be6c536df679acca0b5562a3adbb507d001474d23f5650
    • MD5 SHA1 SHA512 SSDEEP
    Score
    1/10
    • Target
      virusshare/3/VirusShare_4675e87be15585e66b0c88b833dd9ecd
    • Size 32KB
    • SHA256 77e2bcef8ff0e68646b27591faea3e15b4a09154d0611a5004ec028df5f36256
    • MD5 SHA1 SHA512 SSDEEP
    Score
    3/10
    • Target
      virusshare/3/VirusShare_4aa5734fe9c86184f931f4ddaf2d4d7b
    • Size 64KB
    • SHA256 2e18ad3e470b97415beb2cdb8e3ef7510bad21f0a5add020a7f9343dd959eeaa
    • MD5 SHA1 SHA512 SSDEEP
    • Guloader family

    • Guloader,Cloudeye

      A shellcode based downloader first seen in 2020.

    • Executes dropped EXE

    • Adds Run key to start application

    • Suspicious use of NtSetInformationThreadHideFromDebugger

    • Suspicious use of SetThreadContext

    • Target
      virusshare/3/VirusShare_5c8b670c503455baafbff400a446cf82
    • Size 208KB
    • SHA256 22564368a2143231eb51f0ecb501d9777060fd9dd832dcc88a799520884da40c
    • MD5 SHA1 SHA512 SSDEEP
    Score
    3/10

MITRE ATT&CK Enterprise v16

Tasks

static1

pdflinkminer0upxmacromacro_on_actionono33xmrigcobaltstriketrickbot
Score
10/10

behavioral1

Score
1/10

behavioral2

Score
1/10

behavioral3

discoveryupx
Score
5/10

behavioral4

discoveryupx
Score
5/10

behavioral5

ta505
Score
10/10

behavioral6

ta505
Score
10/10

behavioral7

execution
Score
10/10

behavioral8

execution
Score
10/10

behavioral9

discovery
Score
3/10

behavioral10

discovery
Score
3/10

behavioral11

Score
1/10

behavioral12

Score
1/10

behavioral13

discovery
Score
3/10

behavioral14

discovery
Score
3/10

behavioral15

discovery
Score
3/10

behavioral16

discovery
Score
3/10

behavioral17

execution
Score
10/10

behavioral18

execution
Score
10/10

behavioral19

Score
1/10

behavioral20

Score
1/10

behavioral21

discovery
Score
3/10

behavioral22

discovery
Score
3/10

behavioral23

Score
1/10

behavioral24

Score
1/10

behavioral25

Score
1/10

behavioral26

Score
1/10

behavioral27

Score
1/10

behavioral28

discovery
Score
3/10

behavioral29

discovery
Score
3/10

behavioral30

guloaderdiscoverydownloaderpersistence
Score
10/10

behavioral31

guloaderdiscoverydownloaderpersistence
Score
10/10

behavioral32

discovery
Score
3/10