General

  • Target

    archive_51.zip

  • Size

    91.0MB

  • MD5

    5e0e368e7bebbcf12b87e96250168800

  • SHA1

    da38765d13e7c248cd427cee96d9509efbe00602

  • SHA256

    a23fdeddb683f716be744ef3fe9a8ce2c87b02f5e5c1f6c8bdb70881de528304

  • SHA512

    81db786cd05204ea916fa6d6dbc56a62a583fb28340b60aff7bb557d648d784b0cdd5beb44d43f64e6686dfe0f3abb117c0cf0bacf6acb60d104f978dfc6ae1b

  • SSDEEP

    1572864:rCIKPldlTLzEa2P7tQI7eQCX71Ka3thZA4RlaQMhAVnIioVFORvT2C4:rfudlTLzEa2P7tQICQCX71ZthC3QM4+X

Malware Config

Extracted

Family

nanocore

Version

1.2.2.0

C2

karmina113.sytes.net:5555

Mutex

9b6cb0a0-83f3-4fe5-a33b-7b70d4dba20b

Attributes
  • activate_away_mode

    false

  • backup_connection_host

    karmina113.sytes.net

  • backup_dns_server

    8.8.4.4

  • buffer_size

    65535

  • build_time

    2020-04-01T21:00:52.470340736Z

  • bypass_user_account_control

    true

  • bypass_user_account_control_data

  • clear_access_control

    false

  • clear_zone_identifier

    false

  • connect_delay

    4000

  • connection_port

    5555

  • default_group

    000JULIO2020

  • enable_debug_mode

    true

  • gc_threshold

    1.048576e+07

  • keep_alive_timeout

    30000

  • keyboard_logging

    false

  • lan_timeout

    2500

  • max_packet_size

    1.048576e+07

  • mutex

    9b6cb0a0-83f3-4fe5-a33b-7b70d4dba20b

  • mutex_timeout

    5000

  • prevent_system_sleep

    false

  • primary_connection_host

    karmina113.sytes.net

  • primary_dns_server

    8.8.8.8

  • request_elevation

    true

  • restart_delay

    5000

  • run_delay

    0

  • run_on_startup

    false

  • set_critical_process

    false

  • timeout_interval

    5000

  • use_custom_dns_server

    false

  • version

    1.2.2.0

  • wan_timeout

    8000

Extracted

Family

umbral

C2

https://discord.com/api/webhooks/1352283939531784364/Yf948pwSApUsiLnr9MAGps0lLX8TsGtS1KEtSIr5cILOjz5FV-aq6EBAh3nvYrVp1NTc

Signatures

  • DCRat payload 4 IoCs

    Detects payload of DCRat, commonly dropped by NSIS installers.

  • Dcrat family
  • Detect Umbral payload 1 IoCs
  • Nanocore family
  • Umbral family
  • Unsigned PE 29 IoCs

    Checks for missing Authenticode signature.

Files

  • archive_51.zip
    .zip
  • cd94462486ad6fad4ab587ad00762632.exe
    .exe windows:4 windows x86 arch:x86

    f34d5f2d4577ed6d9ceec516c1f5a744


    Headers

    Imports

    Sections

  • cdb97c07f0cbc499f78b386b2d398952a930a2715698d9b3589a5f4bb87ae2ca.exe
    .exe windows:4 windows x86 arch:x86

    f34d5f2d4577ed6d9ceec516c1f5a744


    Headers

    Imports

    Sections

  • cdfbee96df9f657c44ea8ed17e90e025.exe
    .exe windows:4 windows x86 arch:x86

    f34d5f2d4577ed6d9ceec516c1f5a744


    Headers

    Imports

    Sections

  • ce01fc8942b621016741e3fd96b711a32c6375ebea07247fab8b310c8b744ab5.exe
    .exe windows:4 windows x86 arch:x86

    f34d5f2d4577ed6d9ceec516c1f5a744


    Headers

    Imports

    Sections

  • ce5340f77345fe52a889a5f1543f19e4764b86984973180a8fae158fa960576e.exe
    .exe windows:4 windows x86 arch:x86

    f34d5f2d4577ed6d9ceec516c1f5a744


    Headers

    Imports

    Sections

  • ce6d4255fc2065eaebf1bb640bffbef1.exe
    .exe windows:4 windows x86 arch:x86

    f34d5f2d4577ed6d9ceec516c1f5a744


    Headers

    Imports

    Sections

  • ce8f0a3c5b1faff7d414fc5d91588fa50e2806b342d348092d545ebc0a752bfc.exe
    .exe windows:4 windows x64 arch:x64


    Headers

    Sections

  • cef4f0409df2a015e20411fdf8317582dc6ed5f56993dd0122b8006cd695c1db.exe
    .exe windows:4 windows x86 arch:x86

    f34d5f2d4577ed6d9ceec516c1f5a744


    Headers

    Imports

    Sections

  • cf15609eaba6912ae9b6d7d424c25519f4a8ff30c550a599b00e2ec79d310681.exe
    .exe windows:4 windows x86 arch:x86

    f34d5f2d4577ed6d9ceec516c1f5a744


    Headers

    Imports

    Sections

  • cf3f6f628505c197d6909686370e5f6e.exe
    .exe windows:4 windows x86 arch:x86

    f34d5f2d4577ed6d9ceec516c1f5a744


    Headers

    Imports

    Sections

  • cf450b1869e9064758b27a7df84b5117a9bdc5e448a47f5170904649fa7fefe9.exe
    .exe windows:4 windows x86 arch:x86

    f34d5f2d4577ed6d9ceec516c1f5a744


    Code Sign

    Headers

    Imports

    Sections

  • cf56059ae5d477487f8605c5301ceca1.exe
    .exe windows:4 windows x86 arch:x86

    f34d5f2d4577ed6d9ceec516c1f5a744


    Code Sign

    Headers

    Imports

    Sections

  • cf79ab31cc7f483d3b8572ef14b47804.exe
    .exe windows:4 windows x86 arch:x86

    f34d5f2d4577ed6d9ceec516c1f5a744


    Headers

    Imports

    Sections

  • cf8d6b1a05c4369c93e7cfd13bf472ffd3ca8206e8ea41e132069d5c485a2a68.exe
    .exe windows:4 windows x86 arch:x86

    f34d5f2d4577ed6d9ceec516c1f5a744


    Headers

    Imports

    Sections

  • cf96c893c9bc9bb1f6bbf4d1e00c0910.exe
    .exe windows:4 windows x86 arch:x86

    f34d5f2d4577ed6d9ceec516c1f5a744


    Headers

    Imports

    Sections

  • cfd31bf82d7172bd87616d4d9310518d54d29699e851d81df254138d7e29859b.exe
    .exe windows:4 windows x86 arch:x86

    f34d5f2d4577ed6d9ceec516c1f5a744


    Headers

    Imports

    Sections

  • d00c6c808f1981ef4cb5683ee7642d1d.exe
    .exe windows:4 windows x86 arch:x86

    f34d5f2d4577ed6d9ceec516c1f5a744


    Headers

    Imports

    Sections

  • d01f18a5da0ad4cd049120eaa1d5724c.exe
    .exe windows:4 windows x86 arch:x86

    f34d5f2d4577ed6d9ceec516c1f5a744


    Headers

    Imports

    Sections

  • d0474d21e3d4c3c3461552fc7e07bb6743304a36909f2b84bf104b6bc99b8680.exe
    .exe windows:4 windows x86 arch:x86

    f34d5f2d4577ed6d9ceec516c1f5a744


    Headers

    Imports

    Sections

  • d047e97c924b4def561382ebd0591f61735f1b8969b2016c4072f3cc26b4b7f1.exe
    .exe windows:4 windows x86 arch:x86

    f34d5f2d4577ed6d9ceec516c1f5a744


    Headers

    Imports

    Sections

  • d04aca8fc003bfe69c3b5956439c83d1b47929bc8474044f60142a119f22dcee.exe
    .exe windows:4 windows x86 arch:x86

    f34d5f2d4577ed6d9ceec516c1f5a744


    Headers

    Imports

    Sections

  • d05fa385529a2571b4985dbf6047d5aae1c5e787ee084c6cecfc9baec4026ed9.exe
    .exe windows:4 windows x64 arch:x64


    Headers

    Sections

  • d06e6c136254906872036f2020d59cebadf58da9c51ab85ce32f0060c562afd0.exe
    .exe windows:4 windows x86 arch:x86

    f34d5f2d4577ed6d9ceec516c1f5a744


    Headers

    Imports

    Sections

  • d0747a533d8ad264f057cc4c1af86c71eb004af667589efd6a003244810de5e8.exe
    .exe windows:4 windows x86 arch:x86

    f34d5f2d4577ed6d9ceec516c1f5a744


    Headers

    Imports

    Sections

  • d0af287041701eff8dc35679b7c90452d8e8e1f5f975334e75e38f42ab7d9dd0.exe
    .exe windows:4 windows x86 arch:x86

    f34d5f2d4577ed6d9ceec516c1f5a744


    Code Sign

    Headers

    Imports

    Sections

  • d0cc8103eca00546a8de16724935d686444e480d14bf587630ede714cddaa107.exe
    .exe windows:4 windows x86 arch:x86

    f34d5f2d4577ed6d9ceec516c1f5a744


    Headers

    Imports

    Sections

  • d0dd1a3f9be15119cbe9d6e925c14a68cad724c21eae78d1515ba37808f05465.exe
    .exe windows:4 windows x86 arch:x86

    f34d5f2d4577ed6d9ceec516c1f5a744


    Headers

    Imports

    Sections

  • d0ebe6b28c02c4cf238e8475e78ea16dd892d11d0d4d33ce03f16fb3171cfed9.exe
    .exe windows:4 windows x86 arch:x86

    f34d5f2d4577ed6d9ceec516c1f5a744


    Headers

    Imports

    Sections

  • d0fe3f7df4be506370e5e9d06f1aeb5db48f1205de0f05160a78ec3a80c33ac6.exe
    .exe windows:4 windows x86 arch:x86

    f34d5f2d4577ed6d9ceec516c1f5a744


    Headers

    Imports

    Sections

  • d113a08bc189855eee7ed9ff41e0cd28fa44f77980d10765e350bed82dc0872e.exe
    .exe windows:4 windows x86 arch:x86

    f34d5f2d4577ed6d9ceec516c1f5a744


    Headers

    Imports

    Sections

  • d130190335ed88c1afe436cd6324cb242ee3f66611f6e7b90ed5a561ecf79361.exe
    .exe windows:4 windows x64 arch:x64


    Headers

    Sections

  • d1573fe43e2011b0983a9cf18ce0c41b512e5553f9234db25303febd685fae26.exe
    .exe windows:4 windows x86 arch:x86

    f34d5f2d4577ed6d9ceec516c1f5a744


    Headers

    Imports

    Sections