Overview

overview

10

Static

static

1

fa4096aab7...5c.exe

windows7-x64

10

fa4096aab7...5c.exe

windows10-2004-x64

10

Analysis

  • max time kernel
    144s
  • max time network
    154s
  • platform
    windows7_x64
  • resource
    win7-20230831-en
  • resource tags

    arch:x64arch:x86image:win7-20230831-enlocale:en-usos:windows7-x64system
  • submitted
    11-10-2023 08:01

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General

  • Target

    fa4096aab7d77ae07e5e5680d5ace17249092a9dd898b4238477cc088545295c.exe

  • Size

    1.3MB

  • MD5

    b3cc11e1b3ca69d86fc237629e791892

  • SHA1

    353b0e4c5fdb6b212e30b0572108525aecc65e6f

  • SHA256

    fa4096aab7d77ae07e5e5680d5ace17249092a9dd898b4238477cc088545295c

  • SHA512

    f2d0625bbe86c8e328f18d54566907600fa873d902e779fe51ac64600bf36c7c52d5c95672d878970492109aaf019662824fb03eac57acbf75944096fede7689

  • SSDEEP

    24576:1iPRK2x32vyeViqEomxKC8Thd9Ygrln4cC1bm:1He3268i5xKC8NYgrB4cC1bm

Score
10/10
cobaltstrike100000backdoortrojan

Malware Config

Extracted

Family

cobaltstrike

C2

http://8.130.97.243:50943/K4dz

Attributes
  • user_agent

    User-Agent: Mozilla/5.0 (compatible; MSIE 9.0; Windows NT 6.1; Trident/5.0; BOIE9;ENUS)

Extracted

Family

cobaltstrike

Botnet

100000

C2

http://8.130.97.243:50943/updates

Attributes
  • access_type

    512

  • beacon_type

    2048

  • host

    8.130.97.243,/updates

  • http_header1

    AAAABwAAAAAAAAALAAAAAgAAAAV1c2VyPQAAAAYAAAAGQ29va2llAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAA=

  • http_header2

    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

  • http_method1

    GET

  • http_method2

    POST

  • jitter

    2560

  • polling_time

    5000

  • port_number

    50943

  • sc_process32

    %windir%\syswow64\rundll32.exe

  • sc_process64

    %windir%\sysnative\rundll32.exe

  • state_machine

    MIGfMA0GCSqGSIb3DQEBAQUAA4GNADCBiQKBgQDg/dArXEf6k4dzhjnyNgcmp3YeRWdNe6ecrPke+Tz08bY36SsT33oXy4KMTQXlhPT8q7owVoEz9M4RfDNifTmxIeMz7CGO4IxrJRxPE7Zu9QSA4nrVYL6Gd3YdKGOeDMvvFbxMX2DYS+J6JoFpGF29rN9aI6KutOlATw1DlJdC4wIDAQABAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAA==

  • unknown1

    1.481970944e+09

  • unknown2

    AAAABAAAAAMAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAA==

  • uri

    /hello/flash.php

  • user_agent

    Mozilla/5.0 (Windows NT 6.1; rv:24.0) Gecko/20100101 Firefox/24.0

  • watermark

    100000

Signatures

  • Cobaltstrike

    Detected malicious payload which is part of Cobaltstrike.

    trojanbackdoorcobaltstrike
  • Suspicious behavior: EnumeratesProcesses 1 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\fa4096aab7d77ae07e5e5680d5ace17249092a9dd898b4238477cc088545295c.exe
    "C:\Users\Admin\AppData\Local\Temp\fa4096aab7d77ae07e5e5680d5ace17249092a9dd898b4238477cc088545295c.exe"
    1⤵
    • Suspicious behavior: EnumeratesProcesses
    PID:1936

Network

MITRE ATT&CK Matrix

Replay Monitor

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Downloads

  • C:\Users\Admin\AppData\Local\Temp\Cab81A0.tmp
    Filesize

    61KB

    MD5

    f3441b8572aae8801c04f3060b550443

    SHA1

    4ef0a35436125d6821831ef36c28ffaf196cda15

    SHA256

    6720349e7d82ee0a8e73920d3c2b7cb2912d9fcf2edb6fd98f2f12820158b0bf

    SHA512

    5ba01ba421b50030e380ae6bbcd2f681f2a91947fe7fedb3c8e6b5f24dce9517abf57b1cf26cc6078d4bb53bde6fcfb2561591337c841f8f2cb121a3d71661b9

    Download Submit
  • C:\Users\Admin\AppData\Local\Temp\Tar90C0.tmp
    Filesize

    163KB

    MD5

    9441737383d21192400eca82fda910ec

    SHA1

    725e0d606a4fc9ba44aa8ffde65bed15e65367e4

    SHA256

    bc3a6e84e41faeb57e7c21aa3b60c2a64777107009727c5b7c0ed8fe658909e5

    SHA512

    7608dd653a66cd364392a78d4711b48d1707768d36996e4d38871c6843b5714e1d7da4b4cc6db969e6000cfa182bcb74216ef6823d1063f036fc5c3413fb8dcf

    Download Submit
  • memory/1936-0-0x0000000001FB0000-0x0000000001FB1000-memory.dmp
    Filesize

    4KB

    Download
  • memory/1936-17-0x0000000029D80000-0x000000002A180000-memory.dmp
    Filesize

    4.0MB

    Download
  • memory/1936-18-0x00000000293C0000-0x000000002940F000-memory.dmp
    Filesize

    316KB

    Download
  • memory/1936-55-0x00000000293C0000-0x000000002940F000-memory.dmp
    Filesize

    316KB

    Download