General

  • Target

    cs.exe

  • Size

    219KB

  • Sample

    211104-2kq5bshgg9

  • MD5

    260dcccd6193afff21aeec1c3e18325d

  • SHA1

    2afebba77fab8e3454084b03d04f6d4ac55aad07

  • SHA256

    a9f1ee8aef8e01fe3c3f55a46e7f426ae0c62e23f76d25268b27937f9f39f053

  • SHA512

    1034d38e07f635165da977f71e1e37fce6d992900ebaa9f673553de390601780fa7c659e88527fe0f65f3eac680dc7b0a48c0a5da1884a67dd78b08be151ab84

Malware Config

Extracted

Family

cobaltstrike

Botnet

1359593325

C2

http://round-truth-58c8.updatecheck.workers.dev:443/v1/updateCheck

Attributes
  • access_type

    512

  • host

    round-truth-58c8.updatecheck.workers.dev,/v1/updateCheck

  • http_header1

    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

  • http_header2

    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

  • http_method1

    GET

  • http_method2

    POST

  • jitter

    5120

  • polling_time

    10000

  • port_number

    443

  • sc_process32

    %windir%\syswow64\rundll32.exe

  • sc_process64

    %windir%\sysnative\rundll32.exe

  • state_machine

    MIGfMA0GCSqGSIb3DQEBAQUAA4GNADCBiQKBgQCqVFrNofnr4vbdEXJaTCshcOIBqT62V48O48acveHm4RK3C9jVByRMc3bGp5zdHPVCsiPZ56T+dAje8SBq25M8oEisBJBlAYLlSRKREEhW8pYee7QAcaOrIUmAZ642scb+Dpro5DO+JW7i/PPk3rU/R9j5+NVY0vjbiVUG2FSvZwIDAQABAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAA==

  • unknown1

    1.448416512e+09

  • unknown2

    AAAABAAAAA0AAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAA==

  • unknown3

    1.610612736e+09

  • uri

    /v1/releaseMgr

  • user_agent

    Mozilla/5.0 (Windows NT 10.0; WOW64) AppleWebkit/537.36 Chrome/71.0.3578.98

  • watermark

    1359593325

Targets

    • Target

      cs.exe

    • Size

      219KB

    • MD5

      260dcccd6193afff21aeec1c3e18325d

    • SHA1

      2afebba77fab8e3454084b03d04f6d4ac55aad07

    • SHA256

      a9f1ee8aef8e01fe3c3f55a46e7f426ae0c62e23f76d25268b27937f9f39f053

    • SHA512

      1034d38e07f635165da977f71e1e37fce6d992900ebaa9f673553de390601780fa7c659e88527fe0f65f3eac680dc7b0a48c0a5da1884a67dd78b08be151ab84

MITRE ATT&CK Matrix

Tasks