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Overview

overview

7

Static

static

1

27c4c44a36...18.exe

windows7-x64

7

27c4c44a36...18.exe

windows10-2004-x64

7

$PLUGINSDI...mr.exe

windows7-x64

3

$PLUGINSDI...mr.exe

windows10-2004-x64

3

Analysis

  • max time kernel
    121s
  • max time network
    122s
  • platform
    windows7_x64
  • resource
    win7-20240704-en
  • resource tags

    arch:x64arch:x86image:win7-20240704-enlocale:en-usos:windows7-x64system
  • submitted
    09/10/2024, 00:31 UTC

Sharing

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General

  • Target

    $PLUGINSDIR/downloadmr.exe

  • Size

    127KB

  • MD5

    3c85066c68fc1edc6da8ec3887649925

  • SHA1

    fc2fcf2e964bf2ee4127530287a0c3f6057cb508

  • SHA256

    e77189c27645e70b4e9102f4e5f32d7ca4bb0eacb99d3a53ee2b4f1aac919f91

  • SHA512

    357263e601210a3248d1b53fa0f0c9f6346ded9c2c1f2cc0408743035e8352d38bd93d13e3fdcb87b58a425e8ebcda5da7813cf96bd51e16f34a3364eb3ac6c7

  • SSDEEP

    3072:ljWgVQ2dBzsIRQuI1Z0aqcU2Lk2kdh/wOZRDoQu/qq0M33kNAszGFAe:9WXqRGD0aqcUtb/xs3A9yJ

Score
3/10
discovery

Malware Config

Signatures

  • 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 4 IoCs
    evasionspywaretrojan

Processes

  • C:\Users\Admin\AppData\Local\Temp\$PLUGINSDIR\downloadmr.exe
    "C:\Users\Admin\AppData\Local\Temp\$PLUGINSDIR\downloadmr.exe"
    1⤵
    • System Location Discovery: System Language Discovery
    • Modifies system certificate store
    PID:2344

Network

  • flag-us
    DNS
    csc3-2010-crl.verisign.com
    downloadmr.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
    downloadmr.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: 4370
    Cache-Control: public, max-age=3600
    Content-Type: application/pkix-crl
    Date: Wed, 09 Oct 2024 07:49:39 GMT
    Last-Modified: Wed, 09 Oct 2024 06:36:49 GMT
    Server: ECAcc (frc/4CF9)
    X-Cache: HIT
    X-Content-Type-Options: nosniff
    X-Frame-Options: SAMEORIGIN
    X-XSS-Protection: 1; mode=block
    Content-Length: 77517
  • 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
    2.19.117.18
    a1363.dscg.akamai.net
    IN A
    2.19.117.10
  • flag-gb
    GET
    http://crl.microsoft.com/pki/crl/products/MicRooCerAut2011_2011_03_22.crl
    Remote address:
    2.19.117.18:80
    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: b28c4ea1-d01e-0016-0ebc-0fa13d000000
    x-ms-version: 2009-09-19
    x-ms-lease-status: unlocked
    x-ms-blob-type: BlockBlob
    Date: Wed, 09 Oct 2024 07:50:09 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 07:50:10 GMT
    Connection: keep-alive
    TLS_version: UNKNOWN
    ms-cv: CASMicrosoftCV964d84b2.0
    ms-cv-esi: CASMicrosoftCV964d84b2.0
    X-RTag: RT
  • 192.229.221.95:80
    http://csc3-2010-crl.verisign.com/CSC3-2010.crl
    http
    downloadmr.exe
    1.7kB
     80.3kB
     35
    60

    HTTP Request

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

    HTTP Response

    200
  • 2.19.117.18:80
    http://crl.microsoft.com/pki/crl/products/MicRooCerAut2011_2011_03_22.crl
    http
    399 B
     1.7kB
     4
    4

    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
    csc3-2010-crl.verisign.com
    dns
    downloadmr.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

    2.19.117.18
    2.19.117.10

  • 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\CabBA2D.tmp
    Filesize

    70KB

    MD5

    49aebf8cbd62d92ac215b2923fb1b9f5

    SHA1

    1723be06719828dda65ad804298d0431f6aff976

    SHA256

    b33efcb95235b98b48508e019afa4b7655e80cf071defabd8b2123fc8b29307f

    SHA512

    bf86116b015fb56709516d686e168e7c9c68365136231cc51d0b6542ae95323a71d2c7acec84aad7dcecc2e410843f6d82a0a6d51b9acfc721a9c84fdd877b5b

    Download Submit

  • C:\Users\Admin\AppData\Local\Temp\TarBA5F.tmp
    Filesize

    181KB

    MD5

    4ea6026cf93ec6338144661bf1202cd1

    SHA1

    a1dec9044f750ad887935a01430bf49322fbdcb7

    SHA256

    8efbc21559ef8b1bcf526800d8070baad42474ce7198e26fa771dbb41a76b1d8

    SHA512

    6c7e0980e39aacf4c3689802353f464a08cd17753bd210ee997e5f2a455deb4f287a9ef74d84579dbde49bc96213cd2b8b247723919c412ea980aa6e6bfe218b

    Download Submit

  • memory/2344-0-0x00000000741B1000-0x00000000741B2000-memory.dmp

    Filesize

    4KB

    Download

  • memory/2344-1-0x00000000741B0000-0x000000007475B000-memory.dmp

    Filesize

    5.7MB

    Download

  • memory/2344-62-0x00000000741B0000-0x000000007475B000-memory.dmp

    Filesize

    5.7MB

    Download

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