Overview

overview

10

Static

static

3

金山办�...21.exe

windows7-x64

10

金山办�...21.exe

windows10-2004-x64

10

Analysis

  • max time kernel
    139s
  • max time network
    164s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20231215-it
  • resource tags

    arch:x64arch:x86image:win10v2004-20231215-itlocale:it-itos:windows10-2004-x64systemwindows
  • submitted
    22-12-2023 02:16

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General

  • Target

    金山办公WPS业务系统异常报错信息报告-20231221.exe

  • Size

    5.8MB

  • MD5

    4f85058677837b513f478b43f8f10b58

  • SHA1

    450971c4678f8239c232396f4553ea8841d21669

  • SHA256

    eb30df6f816f94e5d551bfdeb5f54b03b93ff45ff62ff91f602b595008ff8138

  • SHA512

    44cd72a12ebbe7895eac4371d4fbf3d633d40b87870980f5632dafa4710821c3bfa86dface0fdd6da9718c0657d18c78460ab2226a07c61a7d70924658b85ee8

  • SSDEEP

    49152:FaAPYSHwZVArb/TqvO90d7HjmAFd4A64nsfJ4GGMK7206ze3KicAIyjff8YRDof/:fw6U7wz5sb9okuEav

Score
10/10
cobaltstrike100000000backdoortrojan

Malware Config

Extracted

Family

cobaltstrike

Botnet

100000000

C2

http://127.0.0.1:60001/wps/solution/index

Attributes
  • access_type

    512

  • host

    127.0.0.1,/wps/solution/index

  • http_header1

    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

  • http_header2

    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

  • http_method1

    GET

  • http_method2

    POST

  • jitter

    7680

  • polling_time

    5000

  • port_number

    60001

  • sc_process32

    %windir%\syswow64\gpupdate.exe

  • sc_process64

    %windir%\sysnative\gpupdate.exe

  • state_machine

    MIGfMA0GCSqGSIb3DQEBAQUAA4GNADCBiQKBgQCh3BRlss3kMAoxpOnFDqBH0SVbtj5CSj61uHgta20DGx8l5roXgtA86epLeD3kP+8DZxHmj/FjaOzqawNmx88AlVDeiEIDadC3Uo7YyN3SZPw7IcHDrm/12jre9OvoGnKdt33qJebD5NsyC4HyQqB/h/jtdT3EpVV/F0/mrq6RYwIDAQABAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAA==

  • unknown1

    1.66652032e+09

  • unknown2

    AAAABAAAAAEAAAACAAAAAgAAAAkAAAADAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAA==

  • uri

    /data/wps/solution/index

  • user_agent

    Mozilla/5.0 (Macintosh; Intel Mac OS X 10_15_7) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/105.0.0.0 Safari/537.36

  • watermark

    100000000

Signatures

  • Cobaltstrike

    Detected malicious payload which is part of Cobaltstrike.

    trojanbackdoorcobaltstrike
  • Checks SCSI registry key(s) 3 TTPs 3 IoCs

    SCSI information is often read in order to detect sandboxing environments.

  • Suspicious behavior: EnumeratesProcesses 4 IoCs
  • Suspicious use of AdjustPrivilegeToken 5 IoCs
  • Suspicious use of FindShellTrayWindow 30 IoCs
  • Suspicious use of SendNotifyMessage 30 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\金山办公WPS业务系统异常报错信息报告-20231221.exe
    "C:\Users\Admin\AppData\Local\Temp\金山办公WPS业务系统异常报错信息报告-20231221.exe"
    1⤵
      PID:3948
    • C:\Windows\system32\taskmgr.exe
      "C:\Windows\system32\taskmgr.exe" /4
      1⤵
      • Checks SCSI registry key(s)
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      • Suspicious use of FindShellTrayWindow
      • Suspicious use of SendNotifyMessage
      PID:1680

    Network

    MITRE ATT&CK Matrix ATT&CK v13

    Initial Access

    Execution

    Persistence

    Privilege Escalation

    Defense Evasion

    Credential Access

    Discovery

    Query Registry

    1
    T1012

    Peripheral Device Discovery

    1
    T1120

    System Information Discovery

    1
    T1082

    Lateral Movement

    Collection

    Exfiltration

    Command and Control

    Impact

    Resource Development

    Reconnaissance

    Replay Monitor

    Loading Replay Monitor...

    Downloads

    • memory/1680-9-0x0000025C21A50000-0x0000025C21A51000-memory.dmp
      Filesize

      4KB

      Download
    • memory/1680-3-0x0000025C21A50000-0x0000025C21A51000-memory.dmp
      Filesize

      4KB

      Download
    • memory/1680-4-0x0000025C21A50000-0x0000025C21A51000-memory.dmp
      Filesize

      4KB

      Download
    • memory/1680-5-0x0000025C21A50000-0x0000025C21A51000-memory.dmp
      Filesize

      4KB

      Download
    • memory/1680-10-0x0000025C21A50000-0x0000025C21A51000-memory.dmp
      Filesize

      4KB

      Download
    • memory/1680-12-0x0000025C21A50000-0x0000025C21A51000-memory.dmp
      Filesize

      4KB

      Download
    • memory/1680-11-0x0000025C21A50000-0x0000025C21A51000-memory.dmp
      Filesize

      4KB

      Download
    • memory/1680-14-0x0000025C21A50000-0x0000025C21A51000-memory.dmp
      Filesize

      4KB

      Download
    • memory/1680-13-0x0000025C21A50000-0x0000025C21A51000-memory.dmp
      Filesize

      4KB

      Download
    • memory/1680-15-0x0000025C21A50000-0x0000025C21A51000-memory.dmp
      Filesize

      4KB

      Download
    • memory/3948-1-0x000002DB5D700000-0x000002DB5D741000-memory.dmp
      Filesize

      260KB

      Download
    • memory/3948-2-0x000002DB5D700000-0x000002DB5D741000-memory.dmp
      Filesize

      260KB

      Download
    • memory/3948-0-0x000002DB5D750000-0x000002DB5D79F000-memory.dmp
      Filesize

      316KB

      Download