Overview

overview

10

Static

static

3

9033440bfb...cb.exe

windows7-x64

10

9033440bfb...cb.exe

windows10-2004-x64

10

Sharing

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General

  • Target

    9033440bfb88d62a6fec03431166efa6676bd75ec2c44930ebdb919a4ab0cbcb

  • Size

    2.0MB

  • Sample

    240614-vsjxnazblb

  • MD5

    b57b4446a7f7d2d08a170c840d0a8fac

  • SHA1

    d28354692c19ab2f086e58cacfe243459b7101f2

  • SHA256

    9033440bfb88d62a6fec03431166efa6676bd75ec2c44930ebdb919a4ab0cbcb

  • SHA512

    35aeca6a8eeb2561e1dd110e744495bebd4e3ff8249bfee9a6d6177727d62a202c4ccfe2671328ea9f78df07e024d2e0a27105e678826627cabb6cfb4f06e816

  • SSDEEP

    24576:W8ucD+6Jx3PWU8SDxkyWTzCAIu5yaC+3Zi56Hfmqz1vh:WD6L3PGxCflSo56mqz1

Score
10/10
cobaltstrike0305419896backdoortrojan

Malware Config

Extracted

Family

cobaltstrike

Botnet

305419896

C2

http://www.freephone.store:443/owa/

Attributes
  • access_type

    512

  • beacon_type

    2048

  • dns_idle

    1.34744072e+08

  • host

    www.freephone.store,/owa/

  • http_header1

    AAAACgAAAAtBY2NlcHQ6ICovKgAAAAoAAACGQ29va2llOiBNaWNyb3NvZnRBcHBsaWNhdGlvbnNUZWxlbWV0cnlEZXZpY2VJZD05NWMxOGQ4LTRkY2U5ODU0O0NsaWVudElkPTFDMEY2QzVEOTEwRjk7TVNQQXV0aD0zRWtBakRLakk7eGlkPTczMGJmNzt3bGE0Mj1aRzB5TXpBMktqRXMAAAAHAAAAAAAAAA0AAAAFAAAAAndhAAAACQAAAA5wYXRoPS9jYWxlbmRhcgAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAA==

  • http_header2

    AAAACgAAAAtBY2NlcHQ6ICovKgAAAAcAAAABAAAADQAAAAUAAAACd2EAAAAHAAAAAAAAAA0AAAACAAAABndsYTQyPQAAAAIAAAALeGlkPTczMGJmNzsAAAACAAAAEk1TUEF1dGg9M0VrQWpES2pJOwAAAAIAAAAXQ2xpZW50SWQ9MUMwRjZDNUQ5MTBGOTsAAAACAAAAOE1pY3Jvc29mdEFwcGxpY2F0aW9uc1RlbGVtZXRyeURldmljZUlkPTk1YzE4ZDgtNGRjZTk4NTQ7AAAABgAAAAZDb29raWUAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAA==

  • http_method1

    GET

  • http_method2

    GET

  • jitter

    5120

  • maxdns

    235

  • polling_time

    30000

  • port_number

    443

  • sc_process32

    %windir%\syswow64\gpupdate.exe

  • sc_process64

    %windir%\sysnative\gpupdate.exe

  • state_machine

    MIGfMA0GCSqGSIb3DQEBAQUAA4GNADCBiQKBgQCkr1oBvk72T2ayBy7EyNzlGb0rQfBsUfVyHifAkjTXjyGGIqZGqhkMxKPTZ8X2Bz8axr7/86xnA2Q2iciuMAdIAGmnL2oQvwo7DV4asmr30oxuHUTGgxkuoThy1XsDtXoxdTvkP4si8IQoNzExFyBzsoi1UYi/jRzljqJWbLKMPwIDAQABAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAA==

  • unknown1

    1.448416512e+09

  • unknown2

    AAAABAAAAA0AAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAA==

  • unknown3

    1.610612736e+09

  • uri

    /OWA/

  • user_agent

    Mozilla/5.0 (Windows NT 6.1) AppleWebKit/537.36 (KHTML, like Gecko)

  • watermark

    305419896

Extracted

Family

cobaltstrike

Botnet

0

Attributes
  • watermark

    0

Targets

    • Target

      9033440bfb88d62a6fec03431166efa6676bd75ec2c44930ebdb919a4ab0cbcb

    • Size

      2.0MB

    • MD5

      b57b4446a7f7d2d08a170c840d0a8fac

    • SHA1

      d28354692c19ab2f086e58cacfe243459b7101f2

    • SHA256

      9033440bfb88d62a6fec03431166efa6676bd75ec2c44930ebdb919a4ab0cbcb

    • SHA512

      35aeca6a8eeb2561e1dd110e744495bebd4e3ff8249bfee9a6d6177727d62a202c4ccfe2671328ea9f78df07e024d2e0a27105e678826627cabb6cfb4f06e816

    • SSDEEP

      24576:W8ucD+6Jx3PWU8SDxkyWTzCAIu5yaC+3Zi56Hfmqz1vh:WD6L3PGxCflSo56mqz1

    Score
    10/10
    cobaltstrike0305419896backdoortrojan

    • Cobaltstrike

      Detected malicious payload which is part of Cobaltstrike.

      trojanbackdoorcobaltstrike

    • Checks computer location settings

      Looks up country code configured in the registry, likely geofence.

    behavioral1behavioral2

MITRE ATT&CK Matrix ATT&CK v13

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Modify Registry

1
T1112

Credential Access

Discovery

Query Registry

3
T1012

System Information Discovery

4
T1082

Lateral Movement

Collection

Exfiltration

Command and Control

Impact

Resource Development

Reconnaissance

Tasks