Analysis

  • max time kernel
    136s
  • max time network
    145s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20230220-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20230220-enlocale:en-usos:windows10-2004-x64system
  • submitted
    24-03-2023 08:54

General

  • Target

    Downloads/c620d1f1f0d646823126ac3f36c5a780.exe

  • Size

    6.0MB

  • MD5

    c620d1f1f0d646823126ac3f36c5a780

  • SHA1

    4d223a430bc46a7f1d593157a72cdebd6b81ca25

  • SHA256

    d71ceb1d1942fdbb2183e090a04f1e47c91b712b6b270eb97dae68b5108b1179

  • SHA512

    2478712aefd2668b1790dec287e10366051f0fc65379916233ff3bf0b2199f60e70c3f2cfe097557f6a7dfa6ef0dc05f5584f2df1cf0d83b91f54d1ca47578b4

  • SSDEEP

    49152:XOsUVz23udrb/TovO90d7HjmAFd4A64nsfJ4WBtcdRZAaruMzvG5EEmr1SZAtMuq:V3uWRTh8uREj7+6Qi

Malware Config

Extracted

Family

cobaltstrike

Botnet

100000

C2

http://image.shop.10010.com:443/mall_100_100.html

Attributes
  • access_type

    512

  • beacon_type

    2048

  • host

    image.shop.10010.com,/mall_100_100.html

  • http_header1

    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

  • http_header2

    AAAACgAAAD5Db250ZW50LVR5cGU6IGFwcGxpY2F0aW9uL3gtd3d3LWZvcm0tdXJsZW5jb2RlZDsgY2hhcnNldD1VVEYtOAAAAAoAAAAgWC1SZXF1ZXN0ZWQtV2l0aDogWE1MSHR0cFJlcXVlc3QAAAAKAAAAMFJlZmVyZXI6IGh0dHBzOi8vc2hvcC4xMDA4Ni5jbi9tYWxsXzEwMF8xMDAuaHRtbAAAAAcAAAAAAAAADQAAAAUAAAAIX19mb3JtaWQAAAAJAAAAFHNyY2hmcm9tPW5SS2p4elpSUnh4AAAACQAAABJmaWVsZG5hbWU9Q3pMdUV4S2wAAAAJAAAAFHNlYXJjaHNvcnRpZD1NYnpTRW5CAAAABwAAAAEAAAANAAAAAgAAACphaWRfPTUyMjAwNTcwNSZhY2N2ZXI9MSZzaG93dHlwZT1lbWJlZCZ1YT0AAAAEAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAA=

  • http_method1

    GET

  • http_method2

    POST

  • jitter

    9472

  • polling_time

    30000

  • port_number

    443

  • sc_process32

    %windir%\syswow64\runonce.exe

  • sc_process64

    %windir%\sysnative\runonce.exe

  • state_machine

    MIGfMA0GCSqGSIb3DQEBAQUAA4GNADCBiQKBgQCf6fXQZp2dX7ZR50qOVSD5fLQRYS6gu44RAt3qH16LrAf9BPABjSV1aO5P+QiZnrDf59QMUR+bVpV6RD3vogMuuBC5w/FkPRjdB/PoEiqvBzqfEl0LJZDrujPA+jrPbpef2Md1eSSov/YsYWAUBjE80sWJXSPPTvEZ9VWeRqKSPQIDAQABAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAA==

  • unknown1

    3.03243264e+08

  • unknown2

    AAAABAAAAAEAAAglAAAAAgAACCUAAAACAAACyAAAAAgAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAA==

  • uri

    /ajax/recharge/recharge.json

  • user_agent

    Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/88.0.4044.62 Safari/537.36

  • watermark

    100000

Signatures

  • Cobaltstrike

    Detected malicious payload which is part of Cobaltstrike.

  • Modifies system certificate store 2 TTPs 3 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\Downloads\c620d1f1f0d646823126ac3f36c5a780.exe
    "C:\Users\Admin\AppData\Local\Temp\Downloads\c620d1f1f0d646823126ac3f36c5a780.exe"
    1⤵
    • Modifies system certificate store
    PID:4496

Network

MITRE ATT&CK Matrix ATT&CK v6

Defense Evasion

Install Root Certificate

1
T1130

Modify Registry

1
T1112

Replay Monitor

Loading Replay Monitor...

Downloads

  • memory/4496-134-0x0000022C27550000-0x0000022C2759F000-memory.dmp
    Filesize

    316KB