Overview

overview

10

Static

static

10

2024-01-23...er.exe

windows7-x64

9

2024-01-23...er.exe

windows10-2004-x64

9

Analysis

  • max time kernel
    137s
  • max time network
    145s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20231215-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20231215-enlocale:en-usos:windows10-2004-x64system
  • submitted
    23/01/2024, 20:22 UTC

Sharing

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General

  • Target

    2024-01-23_158424424e87f5d5fa9637808ea83d8d_cryptolocker.exe

  • Size

    59KB

  • MD5

    158424424e87f5d5fa9637808ea83d8d

  • SHA1

    79ea72129b2a10ef86b4e5a3b9409d00ade835a3

  • SHA256

    e12e6497d5705906d2fa99fc06f90367e1dd046ec9124e433a268ca8241e61d1

  • SHA512

    ea67380a5177f14d9fe31c1dc46aa9facc22134b0e92952d342d8367f8d7ea1efa96603bcf54ce87f958e877be4a8bd2f4a83751b016c86bac5820a47a198f76

  • SSDEEP

    1536:Tj+jsMQMOtEvwDpj5HmpJpOUHECgNMo0vp2EMs:TCjsIOtEvwDpj5HE/OUHnSMr

Score
9/10

Malware Config

Signatures

  • Detection of CryptoLocker Variants 5 IoCs
  • Detection of Cryptolocker Samples 5 IoCs
  • 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
    evasionspywaretrojan
  • Suspicious use of WriteProcessMemory 3 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\2024-01-23_158424424e87f5d5fa9637808ea83d8d_cryptolocker.exe
    "C:\Users\Admin\AppData\Local\Temp\2024-01-23_158424424e87f5d5fa9637808ea83d8d_cryptolocker.exe"
    1⤵
    • Checks computer location settings
    • Suspicious use of WriteProcessMemory
    PID:4788
    • 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:2964

Network

  • flag-us
    DNS
    104.219.191.52.in-addr.arpa
    Remote address:
    8.8.8.8:53
    Request
    104.219.191.52.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: Tue, 23 Jan 2024 20:19:01 GMT
    Server: Apache/2
    Content-Length: 315
    Content-Type: text/html; charset=iso-8859-1
  • flag-us
    DNS
    185.178.17.96.in-addr.arpa
    Remote address:
    8.8.8.8:53
    Request
    185.178.17.96.in-addr.arpa
    IN PTR
    Response
    185.178.17.96.in-addr.arpa
    IN PTR
    a96-17-178-185deploystaticakamaitechnologiescom
  • flag-us
    DNS
    72.32.126.40.in-addr.arpa
    Remote address:
    8.8.8.8:53
    Request
    72.32.126.40.in-addr.arpa
    IN PTR
    Response
  • 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
    104.18.38.233
    crl.comodoca.com.cdn.cloudflare.net
    IN A
    172.64.149.23
  • flag-us
    GET
    http://crl.comodoca.com/cPanelIncCertificationAuthority.crl
    misid.exe
    Remote address:
    104.18.38.233:80
    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: Tue, 23 Jan 2024 20:22:58 GMT
    Content-Type: application/pkix-crl
    Content-Length: 59750
    Connection: keep-alive
    Last-Modified: Tue, 23 Jan 2024 01:50:45 GMT
    ETag: "65af1b75-e966"
    X-CCACDN-Mirror-ID: mscrl1
    Cache-Control: max-age=14400, s-maxage=3600
    Expires: Tue, 30 Jan 2024 01:50:45 GMT
    X-CCACDN-Proxy-ID: mcdpinlb2
    X-Frame-Options: SAMEORIGIN
    CF-Cache-Status: HIT
    Age: 2063
    Accept-Ranges: bytes
    Server: cloudflare
    CF-RAY: 84a2c07a6a6524ba-LHR
  • 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
    95.221.229.192.in-addr.arpa
    Remote address:
    8.8.8.8:53
    Request
    95.221.229.192.in-addr.arpa
    IN PTR
    Response
  • flag-us
    DNS
    233.38.18.104.in-addr.arpa
    Remote address:
    8.8.8.8:53
    Request
    233.38.18.104.in-addr.arpa
    IN PTR
    Response
  • flag-us
    DNS
    209.205.72.20.in-addr.arpa
    Remote address:
    8.8.8.8:53
    Request
    209.205.72.20.in-addr.arpa
    IN PTR
    Response
  • flag-us
    DNS
    58.55.71.13.in-addr.arpa
    Remote address:
    8.8.8.8:53
    Request
    58.55.71.13.in-addr.arpa
    IN PTR
    Response
  • flag-us
    DNS
    150.1.37.23.in-addr.arpa
    Remote address:
    8.8.8.8:53
    Request
    150.1.37.23.in-addr.arpa
    IN PTR
    Response
    150.1.37.23.in-addr.arpa
    IN PTR
    a23-37-1-150deploystaticakamaitechnologiescom
  • flag-us
    DNS
    86.23.85.13.in-addr.arpa
    Remote address:
    8.8.8.8:53
    Request
    86.23.85.13.in-addr.arpa
    IN PTR
    Response
  • flag-us
    DNS
    206.23.85.13.in-addr.arpa
    Remote address:
    8.8.8.8:53
    Request
    206.23.85.13.in-addr.arpa
    IN PTR
    Response
  • flag-us
    DNS
    134.71.91.104.in-addr.arpa
    Remote address:
    8.8.8.8:53
    Request
    134.71.91.104.in-addr.arpa
    IN PTR
    Response
    134.71.91.104.in-addr.arpa
    IN PTR
    a104-91-71-134deploystaticakamaitechnologiescom
  • flag-us
    DNS
    211.178.17.96.in-addr.arpa
    Remote address:
    8.8.8.8:53
    Request
    211.178.17.96.in-addr.arpa
    IN PTR
    Response
    211.178.17.96.in-addr.arpa
    IN PTR
    a96-17-178-211deploystaticakamaitechnologiescom
  • flag-us
    DNS
    19.229.111.52.in-addr.arpa
    Remote address:
    8.8.8.8:53
    Request
    19.229.111.52.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
  • 104.18.38.233:80
    http://crl.comodoca.com/cPanelIncCertificationAuthority.crl
    http
    misid.exe
    1.4kB
     62.1kB
     27
    47

    HTTP Request

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

    HTTP Response

    200
  • 8.8.8.8:53
    104.219.191.52.in-addr.arpa
    dns
    73 B
     147 B
     1
    1

    DNS Request

    104.219.191.52.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
    185.178.17.96.in-addr.arpa
    dns
    72 B
     137 B
     1
    1

    DNS Request

    185.178.17.96.in-addr.arpa

  • 8.8.8.8:53
    72.32.126.40.in-addr.arpa
    dns
    71 B
     157 B
     1
    1

    DNS Request

    72.32.126.40.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

    104.18.38.233
    172.64.149.23

  • 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
    95.221.229.192.in-addr.arpa
    dns
    73 B
     144 B
     1
    1

    DNS Request

    95.221.229.192.in-addr.arpa

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

    DNS Request

    233.38.18.104.in-addr.arpa

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

    DNS Request

    209.205.72.20.in-addr.arpa

  • 8.8.8.8:53
    58.55.71.13.in-addr.arpa
    dns
    70 B
     144 B
     1
    1

    DNS Request

    58.55.71.13.in-addr.arpa

  • 8.8.8.8:53
    150.1.37.23.in-addr.arpa
    dns
    70 B
     133 B
     1
    1

    DNS Request

    150.1.37.23.in-addr.arpa

  • 8.8.8.8:53
    86.23.85.13.in-addr.arpa
    dns
    70 B
     144 B
     1
    1

    DNS Request

    86.23.85.13.in-addr.arpa

  • 8.8.8.8:53
    206.23.85.13.in-addr.arpa
    dns
    71 B
     145 B
     1
    1

    DNS Request

    206.23.85.13.in-addr.arpa

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

    DNS Request

    134.71.91.104.in-addr.arpa

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

    DNS Request

    211.178.17.96.in-addr.arpa

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

    DNS Request

    19.229.111.52.in-addr.arpa

MITRE ATT&CK Enterprise v15

Replay Monitor

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Downloads

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

    59KB

    MD5

    c8102581e155fbf12c23f9e27e27deda

    SHA1

    8fed08cc5d1fa714ff9b93cdb7374ffe889ae486

    SHA256

    65702a45f93c730b9d819c969700519b6c545e2a766b706956ace4adced3c8c7

    SHA512

    780ff7f3871d02b92aced99ad4ec6cea83cec9bd7a81813e1c998bb267953269d879bd5ca51564e33766370932f99a0676fed681b7d5eb71ed281fde52c8e222

    Download Submit

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

    315B

    MD5

    a34ac19f4afae63adc5d2f7bc970c07f

    SHA1

    a82190fc530c265aa40a045c21770d967f4767b8

    SHA256

    d5a89e26beae0bc03ad18a0b0d1d3d75f87c32047879d25da11970cb5c4662a3

    SHA512

    42e53d96e5961e95b7a984d9c9778a1d3bd8ee0c87b8b3b515fa31f67c2d073c8565afc2f4b962c43668c4efa1e478da9bb0ecffa79479c7e880731bc4c55765

    Download Submit

  • memory/2964-20-0x00000000006C0000-0x00000000006C6000-memory.dmp

    Filesize

    24KB

    Download

  • memory/2964-19-0x0000000000500000-0x000000000050E000-memory.dmp

    Filesize

    56KB

    Download

  • memory/2964-22-0x00000000006A0000-0x00000000006A6000-memory.dmp

    Filesize

    24KB

    Download

  • memory/2964-49-0x0000000000500000-0x000000000050E000-memory.dmp

    Filesize

    56KB

    Download

  • memory/4788-0-0x0000000000500000-0x000000000050E000-memory.dmp

    Filesize

    56KB

    Download

  • memory/4788-3-0x0000000000600000-0x0000000000606000-memory.dmp

    Filesize

    24KB

    Download

  • memory/4788-2-0x00000000005E0000-0x00000000005E6000-memory.dmp

    Filesize

    24KB

    Download

  • memory/4788-1-0x00000000005E0000-0x00000000005E6000-memory.dmp

    Filesize

    24KB

    Download

  • memory/4788-18-0x0000000000500000-0x000000000050E000-memory.dmp

    Filesize

    56KB

    Download

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