Resubmissions

11-02-2021 15:52

210211-akqfznyg92 8

11-02-2021 15:49

210211-epse3jscqs 10

Analysis

  • max time kernel
    134s
  • max time network
    133s
  • platform
    windows7_x64
  • resource
    win7v20201028
  • submitted
    11-02-2021 15:49

General

  • Target

    LawyerCustomerComplaint.exe

  • Size

    671KB

  • MD5

    60772f2f4ba787c019ff29dc9c747381

  • SHA1

    98d4e1c4ae2e19da51f4543cb2cff51a4a7f2b3e

  • SHA256

    7fa4ef5925f7374a93494b97a6ab43b0951c2d504972bbf43f9d29398e55481f

  • SHA512

    93c38dd200d3bbac351e0e2debaa8f5468be12c07e4a3f0c518b8c91a1977e60791669b1c86fa67a748fd91e4a02029f6a83ee419a1875236646999a4b3beee4

Malware Config

Extracted

Family

cobaltstrike

C2

http://fast1arrival.com:443/sq

Attributes
  • access_type

    512

  • beacon_type

    2048

  • create_remote_thread

    0

  • day

    0

  • dns_idle

    0

  • dns_sleep

    0

  • host

    fast1arrival.com,/sq

  • http_header1

    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

  • http_header2

    AAAACgAAABFDb25uZWN0aW9uOiBjbG9zZQAAAAoAAAAYQ29udGVudC1UeXBlOiB0ZXh0L3BsYWluAAAABwAAAAEAAAANAAAAAwAAAAQAAAAHAAAAAAAAAAMAAAACAAAADl9fc2Vzc2lvbl9faWQ9AAAABgAAAAZDb29raWUAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAA=

  • http_method1

    GET

  • http_method2

    POST

  • injection_process

  • jitter

    9984

  • maxdns

    0

  • month

    0

  • pipe_name

  • polling_time

    56249

  • port_number

    443

  • proxy_password

  • proxy_server

  • proxy_username

  • sc_process32

    %windir%\syswow64\svchost.exe

  • sc_process64

    %windir%\sysnative\svchost.exe

  • state_machine

    MIGfMA0GCSqGSIb3DQEBAQUAA4GNADCBiQKBgQCF+q5cK4mfZa5R15DDfWC2PdZQHPNer+r8EseYI073nub+m1v0OArtntbBxfFHkj+3BfMkhLjUKa0beD9PWt8DUs6q3TyZHsmZEHZ/WMoKNJCEufCl1v6PGw+SJavUx+W0G7Vs1eHAQGnoogs/4+2E5tfUnKntDe5QrTV5osCsVwIDAQABAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAA==

  • unknown1

    7.8457344e+07

  • unknown2

    AAAABAAAAAIAAAJYAAAAAwAAAAgAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAA==

  • unknown3

    0

  • unknown4

    0

  • unknown5

    1.841236305e+09

  • uri

    /ab

  • user_agent

    Mozilla/5.0 (Macintosh; Intel Mac OS X 10_11_2) AppleWebKit/601.3.9 (KHTML, like Gecko) Version/9.0.2 Safari/601.3.9

  • year

    0

Signatures

  • Cobaltstrike

    Detected malicious payload which is part of Cobaltstrike.

  • Dave packer 1 IoCs

    Detects executable packed with a packer named 'Dave' from the community, due to a string at the end of it.

  • Suspicious use of SetWindowsHookEx 2 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\LawyerCustomerComplaint.exe
    "C:\Users\Admin\AppData\Local\Temp\LawyerCustomerComplaint.exe"
    1⤵
    • Suspicious use of SetWindowsHookEx
    PID:296

Network

MITRE ATT&CK Matrix

Replay Monitor

Loading Replay Monitor...

Downloads

  • memory/296-2-0x0000000076381000-0x0000000076383000-memory.dmp

    Filesize

    8KB

  • memory/296-3-0x0000000001DF0000-0x0000000001E1F000-memory.dmp

    Filesize

    188KB

  • memory/296-4-0x0000000001F30000-0x0000000001F5E000-memory.dmp

    Filesize

    184KB

  • memory/296-5-0x00000000002B0000-0x00000000002DD000-memory.dmp

    Filesize

    180KB

  • memory/296-7-0x00000000035C0000-0x00000000039C0000-memory.dmp

    Filesize

    4.0MB

  • memory/1008-6-0x000007FEF6580000-0x000007FEF67FA000-memory.dmp

    Filesize

    2.5MB