Overview

overview

10

Static

static

aliyun.exe

windows7_x64

10

aliyun.exe

windows10-2004_x64

10

Sharing

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General

  • Target

    aliyun.sql

  • Size

    187KB

  • Sample

    220630-h9rbvaghbj

  • MD5

    f216599fa211f9fa54e4bd40982537fe

  • SHA1

    36f27fdc005737ab5b7b26bc791d94ece69256a9

  • SHA256

    943b5a4ebb2fd89ebbd523fe751ca58ec1bccf0107f63385da39a29918c335aa

  • SHA512

    cbee942a7d355c15765d9c9ff93d45be213bd4b1d5cbceb441399f5e150cc84966c027c1965f61a43d92e46dc5ff858162f1dc69392e3d84b221ae347b88c908

Score
10/10
cobaltstrike01backdoorevasiontrojan

Malware Config

Extracted

Family

cobaltstrike

Botnet

1

C2

http://service-nhlr0jfu-1259036304.gz.apigw.tencentcs.com:443/api/groovy

Attributes
  • access_type

    512

  • beacon_type

    2048

  • host

    service-nhlr0jfu-1259036304.gz.apigw.tencentcs.com,/api/groovy

  • http_header1

    AAAABwAAAAAAAAADAAAAAgAAAApTRVNTSU9OSUQ9AAAABgAAAAZDb29raWUAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAA=

  • http_header2

    AAAABwAAAAAAAAADAAAAAgAAAAlKU0VTU0lPTj0AAAAGAAAABkNvb2tpZQAAAAcAAAABAAAAAwAAAAQAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAA=

  • http_method1

    GET

  • http_method2

    POST

  • polling_time

    3000

  • port_number

    443

  • sc_process32

    %windir%\syswow64\WerFault.exe

  • sc_process64

    %windir%\sysnative\WerFault.exe

  • state_machine

    MIGfMA0GCSqGSIb3DQEBAQUAA4GNADCBiQKBgQCHMO8y1wBCAjFbDB4YeNRRkTcqs19kCI4v83hQQdz4fzzBhu5JinovYNc0vrQC32y5DAPf9LcS4lpMkSopFeixUvRO4boT0+EiOPu5DIUHUwccExusG5w8jCn1b6dtf+8+9RZITmCxWW/bUhuUKNk+mWnlYLTw9HkpgiwmOqpA8wIDAQABAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAA==

  • unknown1

    1.481970944e+09

  • unknown2

    AAAABAAAAAMAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAA==

  • uri

    /api/package

  • user_agent

    Mozilla/4.0 (compatible; MSIE 8.0; Windows NT 6.0; Win64; x64; Trident/4.0)

  • watermark

    1

Extracted

Family

cobaltstrike

Botnet

0

Attributes
  • watermark

    0

Targets

    • Target

      aliyun.sql

    • Size

      187KB

    • MD5

      f216599fa211f9fa54e4bd40982537fe

    • SHA1

      36f27fdc005737ab5b7b26bc791d94ece69256a9

    • SHA256

      943b5a4ebb2fd89ebbd523fe751ca58ec1bccf0107f63385da39a29918c335aa

    • SHA512

      cbee942a7d355c15765d9c9ff93d45be213bd4b1d5cbceb441399f5e150cc84966c027c1965f61a43d92e46dc5ff858162f1dc69392e3d84b221ae347b88c908

    Score
    10/10
    cobaltstrike1backdoorevasiontrojan0

    • Cobaltstrike

      Detected malicious payload which is part of Cobaltstrike.

      trojanbackdoorcobaltstrike

    • Sets file to hidden

      Modifies file attributes to stop it showing in Explorer etc.

      evasion

    • Drops file in System32 directory

    behavioral1behavioral2

MITRE ATT&CK Matrix ATT&CK v6

Initial Access

Execution

Persistence

Hidden Files and Directories

2
T1158

Privilege Escalation

Defense Evasion

Hidden Files and Directories

2
T1158

Credential Access

Discovery

Lateral Movement

Collection

Exfiltration

Command and Control

Impact

Tasks