Overview

overview

10

Static

static

1

7e3a6c1639...03.exe

windows7-x64

10

7e3a6c1639...03.exe

windows10-2004-x64

10

Sharing

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General

  • Target

    7e3a6c1639668f468cbc03704bba47d70851775b3666bc58ab98cded79154e03

  • Size

    494KB

  • Sample

    230306-dsdbfahh9x

  • MD5

    94b4eb33f72c5df6e7823407e12fa2b5

  • SHA1

    e59fbee36c7604f2fbbb05a13aa2ef6fe2e0f56f

  • SHA256

    7e3a6c1639668f468cbc03704bba47d70851775b3666bc58ab98cded79154e03

  • SHA512

    19539f69b0cbcc7c6be91f347d9289b19331f1def5606dc80600edf6b7d2923eefde62fd996614a22bbd56c8bb49293345d8f824f960220bdb91d56d539eb491

  • SSDEEP

    12288:fzxzTDWikLSb4NS7/dc+tkUXY1AfOY7llq7KKIoYy:dDWHSb4NpnVYPq5Yy

Score
10/10
cobaltstrike0backdoortrojan

Malware Config

Extracted

Family

cobaltstrike

Botnet

0

C2

http://85.175.101.203:80/access/

Attributes
  • access_type

    512

  • host

    85.175.101.203,/access/

  • http_header1

    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

  • http_header2

    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

  • http_method1

    GET

  • http_method2

    POST

  • polling_time

    1000

  • port_number

    80

  • sc_process32

    %windir%\syswow64\rundll32.exe

  • sc_process64

    %windir%\sysnative\rundll32.exe

  • state_machine

    MIGfMA0GCSqGSIb3DQEBAQUAA4GNADCBiQKBgQCnOM3nXx+7HBhkbDd+AwFrFisSunK999w2tM0uTpuuEiBalcJhcL+QgQWtf6S7zPp5hjImG+2YcPl18geU4f5JlSPXHwilbK4DFb/ePWyKFjhrA7emVRqhM21QMlo1ANsn14rY/RO2pzuft8P7TXoIjjI/B2GGVuzYNZX6X4I2EwIDAQABAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAA==

  • unknown1

    7.382016e+08

  • unknown2

    AAAABAAAAAIAAAAQAAAAAgAAABAAAAACAAAADAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAA==

  • uri

    /radio/xmlrpc/v35

  • user_agent

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

  • watermark

    0

Targets

    • Target

      7e3a6c1639668f468cbc03704bba47d70851775b3666bc58ab98cded79154e03

    • Size

      494KB

    • MD5

      94b4eb33f72c5df6e7823407e12fa2b5

    • SHA1

      e59fbee36c7604f2fbbb05a13aa2ef6fe2e0f56f

    • SHA256

      7e3a6c1639668f468cbc03704bba47d70851775b3666bc58ab98cded79154e03

    • SHA512

      19539f69b0cbcc7c6be91f347d9289b19331f1def5606dc80600edf6b7d2923eefde62fd996614a22bbd56c8bb49293345d8f824f960220bdb91d56d539eb491

    • SSDEEP

      12288:fzxzTDWikLSb4NS7/dc+tkUXY1AfOY7llq7KKIoYy:dDWHSb4NpnVYPq5Yy

    Score
    10/10
    cobaltstrike0backdoortrojan

    • Cobaltstrike

      Detected malicious payload which is part of Cobaltstrike.

      trojanbackdoorcobaltstrike

    • Blocklisted process makes network request

    • Checks computer location settings

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

    • Executes dropped EXE

    • Drops file in System32 directory

    • Suspicious use of SetThreadContext

    behavioral1behavioral2

MITRE ATT&CK Matrix ATT&CK v6

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Credential Access

Discovery

Query Registry

1
T1012

System Information Discovery

2
T1082

Lateral Movement

Collection

Exfiltration

Command and Control

Impact

Tasks