Analysis

  • max time kernel
    150s
  • max time network
    155s
  • platform
    windows7_x64
  • resource
    win7-20240508-en
  • resource tags

    arch:x64arch:x86image:win7-20240508-enlocale:en-usos:windows7-x64system
  • submitted
    30-05-2024 10:31

General

  • Target

    05e991f353268f5e7e9c39130efd36cf2e54fca4ca503098531175b1957bbbc0.exe

  • Size

    4.0MB

  • MD5

    8024249bd8823870e6e73db6f6c38482

  • SHA1

    ca01f34aecca3449d752a1be84cf8132e911a52e

  • SHA256

    05e991f353268f5e7e9c39130efd36cf2e54fca4ca503098531175b1957bbbc0

  • SHA512

    1af28013a8697bf65f752982bab031ac7aab3f79132ac6142b8081ea21caf1205efe0979ac2f53ca0075005b12b327edf364eec3d7d8d13bc3d26548d0bfc4f9

  • SSDEEP

    24576:O0c7zNWEW72pH+yDXjsjCNXSTezByzwSwHYgFf1YuC1Q:O/NTW72tdqChS6I8rYgFfquC1

Malware Config

Extracted

Family

cobaltstrike

Botnet

100000

C2

http://311980.xyz:8443/bing/chen

Attributes
  • access_type

    512

  • beacon_type

    2048

  • host

    311980.xyz,/bing/chen

  • http_header1

    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

  • http_header2

    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

  • http_method1

    GET

  • http_method2

    POST

  • jitter

    16896

  • polling_time

    1000

  • port_number

    8443

  • sc_process32

    %windir%\syswow64\WerFault.exe

  • sc_process64

    %windir%\sysnative\WerFault.exe

  • state_machine

    MIGfMA0GCSqGSIb3DQEBAQUAA4GNADCBiQKBgQCsq1neYcqlkmWzzct+s8KTz+d9AD2a3lqV2EYY2oF9fBIhF5veFLNaI3okxHyTt+MP6kVyLnNugZ0M5ZHX1r7dHzejH0IWxlRPDs/FfsGGOGW92bZKZsl2fXnO6RDAGoXfsIfomlDaegoyDC3BLtkvUFht/T2B7pom/vWgNvAcvwIDAQABAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAA==

  • unknown1

    4.18408576e+09

  • unknown2

    AAAABAAAAAEAAAY/AAAAAgAABj8AAAACAAADIwAAAAMAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAA==

  • uri

    /rewardsapp/ncheader

  • user_agent

    Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/122.0.0.0 Safari/537.36

  • watermark

    100000

Signatures

  • Cobaltstrike

    Detected malicious payload which is part of Cobaltstrike.

  • Modifies system certificate store 2 TTPs 6 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\05e991f353268f5e7e9c39130efd36cf2e54fca4ca503098531175b1957bbbc0.exe
    "C:\Users\Admin\AppData\Local\Temp\05e991f353268f5e7e9c39130efd36cf2e54fca4ca503098531175b1957bbbc0.exe"
    1⤵
    • Modifies system certificate store
    PID:1924

Network

MITRE ATT&CK Matrix ATT&CK v13

Defense Evasion

Subvert Trust Controls

1
T1553

Install Root Certificate

1
T1553.004

Modify Registry

1
T1112

Replay Monitor

Loading Replay Monitor...

Downloads

  • C:\Users\Admin\AppData\LocalLow\Microsoft\CryptnetUrlCache\Content\94308059B57B3142E455B38A6EB92015
    Filesize

    70KB

    MD5

    49aebf8cbd62d92ac215b2923fb1b9f5

    SHA1

    1723be06719828dda65ad804298d0431f6aff976

    SHA256

    b33efcb95235b98b48508e019afa4b7655e80cf071defabd8b2123fc8b29307f

    SHA512

    bf86116b015fb56709516d686e168e7c9c68365136231cc51d0b6542ae95323a71d2c7acec84aad7dcecc2e410843f6d82a0a6d51b9acfc721a9c84fdd877b5b

  • C:\Users\Admin\AppData\Local\Temp\Cab1B7E.tmp
    Filesize

    68KB

    MD5

    29f65ba8e88c063813cc50a4ea544e93

    SHA1

    05a7040d5c127e68c25d81cc51271ffb8bef3568

    SHA256

    1ed81fa8dfb6999a9fedc6e779138ffd99568992e22d300acd181a6d2c8de184

    SHA512

    e29b2e92c496245bed3372578074407e8ef8882906ce10c35b3c8deebfefe01b5fd7f3030acaa693e175f4b7aca6cd7d8d10ae1c731b09c5fa19035e005de3aa

  • C:\Users\Admin\AppData\Local\Temp\Tar1C21.tmp
    Filesize

    181KB

    MD5

    4ea6026cf93ec6338144661bf1202cd1

    SHA1

    a1dec9044f750ad887935a01430bf49322fbdcb7

    SHA256

    8efbc21559ef8b1bcf526800d8070baad42474ce7198e26fa771dbb41a76b1d8

    SHA512

    6c7e0980e39aacf4c3689802353f464a08cd17753bd210ee997e5f2a455deb4f287a9ef74d84579dbde49bc96213cd2b8b247723919c412ea980aa6e6bfe218b

  • memory/1924-0-0x00000000006B0000-0x00000000006F1000-memory.dmp
    Filesize

    260KB

  • memory/1924-1-0x00000000286C0000-0x0000000028B32000-memory.dmp
    Filesize

    4.4MB