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Overview

overview

6

Static

static

5

13cf590be5...8N.exe

windows7-x64

6

13cf590be5...8N.exe

windows10-2004-x64

6

Analysis

  • max time kernel
    32s
  • max time network
    33s
  • platform
    windows7_x64
  • resource
    win7-20240708-en
  • resource tags

    arch:x64arch:x86image:win7-20240708-enlocale:en-usos:windows7-x64system
  • submitted
    09/10/2024, 13:33 UTC

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General

  • Target

    13cf590be5cd962690ffecb2bd8229a0776d7dc7ccd6b420f72d12ace6477d68N.exe

  • Size

    341KB

  • MD5

    1ade652fd07a561b84b7882ca6d19f00

  • SHA1

    51eb26c64e673a73c9cb9845962e9db5e5ad85da

  • SHA256

    13cf590be5cd962690ffecb2bd8229a0776d7dc7ccd6b420f72d12ace6477d68

  • SHA512

    97b16f3af0f5cad1e5aaad5104b1000dd4866324bd67cf24ddfc515bd33c9f205da202e4ab4d940ec0c780fb3cfcce71f4ce588e086a9951a3e8ba291bed0c6e

  • SSDEEP

    6144:qfZ/nwzIhoZib9i0ju9BKVoEZUW2z5jLMejhtqNoUTBLar62P0TDNnJMFR:qfpPOZiBiq3zxe5lN8No8FwPPADNJq

Score
6/10
bootkitdiscoverypersistenceupx

Malware Config

Signatures

  • Enumerates connected drives 3 TTPs 21 IoCs

    Attempts to read the root path of hard drives other than the default C: drive.

  • Writes to the Master Boot Record (MBR) 1 TTPs 1 IoCs

    Bootkits write to the MBR to gain persistence at a level below the operating system.

    bootkitpersistence
  • UPX packed file 2 IoCs

    Detects executables packed with UPX/modified UPX open source packer.

    upx
  • System Location Discovery: System Language Discovery 1 TTPs 1 IoCs

    Attempt gather information about the system language of a victim in order to infer the geographical location of that host.

    discovery
  • Modifies system certificate store 2 TTPs 3 IoCs
    evasionspywaretrojan

Processes

  • C:\Users\Admin\AppData\Local\Temp\13cf590be5cd962690ffecb2bd8229a0776d7dc7ccd6b420f72d12ace6477d68N.exe
    "C:\Users\Admin\AppData\Local\Temp\13cf590be5cd962690ffecb2bd8229a0776d7dc7ccd6b420f72d12ace6477d68N.exe"
    1⤵
    • Enumerates connected drives
    • Writes to the Master Boot Record (MBR)
    • System Location Discovery: System Language Discovery
    • Modifies system certificate store
    PID:2520

Network

  • flag-us
    DNS
    b.liteflames.com
    13cf590be5cd962690ffecb2bd8229a0776d7dc7ccd6b420f72d12ace6477d68N.exe
    Remote address:
    8.8.8.8:53
    Request
    b.liteflames.com
    IN A
    Response
  • flag-us
    DNS
    csc3-2010-crl.verisign.com
    13cf590be5cd962690ffecb2bd8229a0776d7dc7ccd6b420f72d12ace6477d68N.exe
    Remote address:
    8.8.8.8:53
    Request
    csc3-2010-crl.verisign.com
    IN A
    Response
    csc3-2010-crl.verisign.com
    IN CNAME
    crl-symcprod.digicert.com
    crl-symcprod.digicert.com
    IN CNAME
    crl.edge.digicert.com
    crl.edge.digicert.com
    IN CNAME
    fp2e7a.wpc.2be4.phicdn.net
    fp2e7a.wpc.2be4.phicdn.net
    IN CNAME
    fp2e7a.wpc.phicdn.net
    fp2e7a.wpc.phicdn.net
    IN A
    192.229.221.95
  • flag-se
    GET
    http://csc3-2010-crl.verisign.com/CSC3-2010.crl
    13cf590be5cd962690ffecb2bd8229a0776d7dc7ccd6b420f72d12ace6477d68N.exe
    Remote address:
    192.229.221.95:80
    Request
    GET /CSC3-2010.crl HTTP/1.1
    Connection: Keep-Alive
    Accept: */*
    User-Agent: Microsoft-CryptoAPI/6.1
    Host: csc3-2010-crl.verisign.com
    Response
    HTTP/1.1 200 OK
    Accept-Ranges: bytes
    Age: 5224
    Cache-Control: public, max-age=3600
    Content-Type: application/pkix-crl
    Date: Wed, 09 Oct 2024 13:33:54 GMT
    Last-Modified: Wed, 09 Oct 2024 12:06:50 GMT
    Server: ECAcc (frc/4C8F)
    X-Cache: HIT
    X-Content-Type-Options: nosniff
    X-Frame-Options: SAMEORIGIN
    X-XSS-Protection: 1; mode=block
    Content-Length: 77482
  • flag-us
    DNS
    crl.microsoft.com
    Remote address:
    8.8.8.8:53
    Request
    crl.microsoft.com
    IN A
    Response
    crl.microsoft.com
    IN CNAME
    crl.www.ms.akadns.net
    crl.www.ms.akadns.net
    IN CNAME
    a1363.dscg.akamai.net
    a1363.dscg.akamai.net
    IN A
    2.19.117.22
    a1363.dscg.akamai.net
    IN A
    2.19.117.18
  • flag-gb
    GET
    http://crl.microsoft.com/pki/crl/products/MicRooCerAut2011_2011_03_22.crl
    Remote address:
    2.19.117.22:80
    Request
    GET /pki/crl/products/MicRooCerAut2011_2011_03_22.crl HTTP/1.1
    Connection: Keep-Alive
    Accept: */*
    If-Modified-Since: Wed, 01 May 2024 09:28:59 GMT
    User-Agent: Microsoft-CryptoAPI/6.1
    Host: crl.microsoft.com
    Response
    HTTP/1.1 200 OK
    Content-Length: 1036
    Content-Type: application/octet-stream
    Content-MD5: 8M9bF5Tsp81z+cAg2quO8g==
    Last-Modified: Thu, 26 Sep 2024 02:21:11 GMT
    ETag: 0x8DCDDD1E3AF2C76
    Server: Windows-Azure-Blob/1.0 Microsoft-HTTPAPI/2.0
    x-ms-request-id: 0d86e878-601e-0013-6cbc-0f73e6000000
    x-ms-version: 2009-09-19
    x-ms-lease-status: unlocked
    x-ms-blob-type: BlockBlob
    Date: Wed, 09 Oct 2024 13:34:24 GMT
    Connection: keep-alive
  • flag-us
    DNS
    www.microsoft.com
    Remote address:
    8.8.8.8:53
    Request
    www.microsoft.com
    IN A
    Response
    www.microsoft.com
    IN CNAME
    www.microsoft.com-c-3.edgekey.net
    www.microsoft.com-c-3.edgekey.net
    IN CNAME
    www.microsoft.com-c-3.edgekey.net.globalredir.akadns.net
    www.microsoft.com-c-3.edgekey.net.globalredir.akadns.net
    IN CNAME
    e13678.dscb.akamaiedge.net
    e13678.dscb.akamaiedge.net
    IN A
    2.17.5.133
  • flag-gb
    GET
    http://www.microsoft.com/pkiops/crl/MicCodSigPCA2011_2011-07-08.crl
    Remote address:
    2.17.5.133:80
    Request
    GET /pkiops/crl/MicCodSigPCA2011_2011-07-08.crl HTTP/1.1
    Connection: Keep-Alive
    Accept: */*
    If-Modified-Since: Mon, 03 Jun 2024 21:25:24 GMT
    User-Agent: Microsoft-CryptoAPI/6.1
    Host: www.microsoft.com
    Response
    HTTP/1.1 200 OK
    Content-Length: 1078
    Content-Type: application/octet-stream
    Content-MD5: cyz+t2uRxNE5eKALjGZu1w==
    Last-Modified: Sun, 18 Aug 2024 00:23:49 GMT
    ETag: 0x8DCBF1C07FCB4BF
    x-ms-request-id: f8a60053-701e-000f-593e-f12186000000
    x-ms-version: 2009-09-19
    x-ms-lease-status: unlocked
    x-ms-blob-type: BlockBlob
    Date: Wed, 09 Oct 2024 13:34:24 GMT
    Connection: keep-alive
    TLS_version: UNKNOWN
    ms-cv: CASMicrosoftCV932004fb.0
    ms-cv-esi: CASMicrosoftCV932004fb.0
    X-RTag: RT
  • 192.229.221.95:80
    http://csc3-2010-crl.verisign.com/CSC3-2010.crl
    http
    13cf590be5cd962690ffecb2bd8229a0776d7dc7ccd6b420f72d12ace6477d68N.exe
    1.7kB
     80.3kB
     34
    60

    HTTP Request

    GET http://csc3-2010-crl.verisign.com/CSC3-2010.crl

    HTTP Response

    200
  • 2.19.117.22:80
    http://crl.microsoft.com/pki/crl/products/MicRooCerAut2011_2011_03_22.crl
    http
    451 B
     1.7kB
     5
    5

    HTTP Request

    GET http://crl.microsoft.com/pki/crl/products/MicRooCerAut2011_2011_03_22.crl

    HTTP Response

    200
  • 2.17.5.133:80
    http://www.microsoft.com/pkiops/crl/MicCodSigPCA2011_2011-07-08.crl
    http
    393 B
     1.7kB
     4
    4

    HTTP Request

    GET http://www.microsoft.com/pkiops/crl/MicCodSigPCA2011_2011-07-08.crl

    HTTP Response

    200
  • 8.8.8.8:53
    b.liteflames.com
    dns
    13cf590be5cd962690ffecb2bd8229a0776d7dc7ccd6b420f72d12ace6477d68N.exe
    62 B
     135 B
     1
    1

    DNS Request

    b.liteflames.com

  • 8.8.8.8:53
    csc3-2010-crl.verisign.com
    dns
    13cf590be5cd962690ffecb2bd8229a0776d7dc7ccd6b420f72d12ace6477d68N.exe
    72 B
     212 B
     1
    1

    DNS Request

    csc3-2010-crl.verisign.com

    DNS Response

    192.229.221.95

  • 8.8.8.8:53
    crl.microsoft.com
    dns
    63 B
     162 B
     1
    1

    DNS Request

    crl.microsoft.com

    DNS Response

    2.19.117.22
    2.19.117.18

  • 8.8.8.8:53
    www.microsoft.com
    dns
    63 B
     230 B
     1
    1

    DNS Request

    www.microsoft.com

    DNS Response

    2.17.5.133

MITRE ATT&CK Enterprise v15

Replay Monitor

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Downloads

  • C:\Users\Admin\AppData\Local\Temp\Cab97A0.tmp
    Filesize

    70KB

    MD5

    49aebf8cbd62d92ac215b2923fb1b9f5

    SHA1

    1723be06719828dda65ad804298d0431f6aff976

    SHA256

    b33efcb95235b98b48508e019afa4b7655e80cf071defabd8b2123fc8b29307f

    SHA512

    bf86116b015fb56709516d686e168e7c9c68365136231cc51d0b6542ae95323a71d2c7acec84aad7dcecc2e410843f6d82a0a6d51b9acfc721a9c84fdd877b5b

    Download Submit

  • C:\Users\Admin\AppData\Local\Temp\Tar97C2.tmp
    Filesize

    181KB

    MD5

    4ea6026cf93ec6338144661bf1202cd1

    SHA1

    a1dec9044f750ad887935a01430bf49322fbdcb7

    SHA256

    8efbc21559ef8b1bcf526800d8070baad42474ce7198e26fa771dbb41a76b1d8

    SHA512

    6c7e0980e39aacf4c3689802353f464a08cd17753bd210ee997e5f2a455deb4f287a9ef74d84579dbde49bc96213cd2b8b247723919c412ea980aa6e6bfe218b

    Download Submit

  • memory/2520-0-0x0000000000400000-0x00000000004BF000-memory.dmp

    Filesize

    764KB

    Download

  • memory/2520-61-0x0000000000400000-0x00000000004BF000-memory.dmp

    Filesize

    764KB

    Download

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