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Analysis

  • max time kernel
    95s
  • max time network
    150s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20240802-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20240802-enlocale:en-usos:windows10-2004-x64system
  • submitted
    04/08/2024, 17:36 UTC

General

  • Target

    vc_redist.x64.exe

  • Size

    13.9MB

  • MD5

    27b141aacc2777a82bb3fa9f6e5e5c1c

  • SHA1

    3155cb0f146b927fcc30647c1a904cd162548c8c

  • SHA256

    5eea714e1f22f1875c1cb7b1738b0c0b1f02aec5ecb95f0fdb1c5171c6cd93a3

  • SHA512

    7789eabb6dd4a159bb899d2e6d6df70addb3df239bda6f9ead8c1d2a2ac2062fce3a495814b48a3c2bec12f13800ad0703e2c61c35158b0912011b914f098011

  • SSDEEP

    393216:xTPq5dCsKSR65cX7Eyd/qnejOX3L8T8KYfU3j:VP5iw56oyleejcL8T8fc3

Score
7/10

Malware Config

Signatures

  • Loads dropped DLL 1 IoCs
  • Checks installed software on the system 1 TTPs

    Looks up Uninstall key entries in the registry to enumerate software on the system.

  • System Location Discovery: System Language Discovery 1 TTPs 2 IoCs

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

  • Suspicious use of WriteProcessMemory 3 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\vc_redist.x64.exe
    "C:\Users\Admin\AppData\Local\Temp\vc_redist.x64.exe"
    1⤵
    • System Location Discovery: System Language Discovery
    • Suspicious use of WriteProcessMemory
    PID:1940
    • C:\Users\Admin\AppData\Local\Temp\vc_redist.x64.exe
      "C:\Users\Admin\AppData\Local\Temp\vc_redist.x64.exe" -burn.unelevated BurnPipe.{5FCC7542-FF87-44A5-9136-5B7EA2F0CA9D} {CBAE236B-FB6E-42E6-99C7-5550A615E4FE} 1940
      2⤵
      • Loads dropped DLL
      • System Location Discovery: System Language Discovery
      PID:3120

Network

  • flag-us
    DNS
    64.159.190.20.in-addr.arpa
    Remote address:
    8.8.8.8:53
    Request
    64.159.190.20.in-addr.arpa
    IN PTR
    Response
  • flag-us
    DNS
    26.165.165.52.in-addr.arpa
    Remote address:
    8.8.8.8:53
    Request
    26.165.165.52.in-addr.arpa
    IN PTR
    Response
  • flag-us
    DNS
    18.31.95.13.in-addr.arpa
    Remote address:
    8.8.8.8:53
    Request
    18.31.95.13.in-addr.arpa
    IN PTR
    Response
  • flag-us
    DNS
    34.56.20.217.in-addr.arpa
    Remote address:
    8.8.8.8:53
    Request
    34.56.20.217.in-addr.arpa
    IN PTR
    Response
  • flag-us
    DNS
    73.144.22.2.in-addr.arpa
    Remote address:
    8.8.8.8:53
    Request
    73.144.22.2.in-addr.arpa
    IN PTR
    Response
    73.144.22.2.in-addr.arpa
    IN PTR
    a2-22-144-73deploystaticakamaitechnologiescom
  • flag-us
    DNS
    13.227.111.52.in-addr.arpa
    Remote address:
    8.8.8.8:53
    Request
    13.227.111.52.in-addr.arpa
    IN PTR
    Response
  • flag-us
    DNS
    37.56.20.217.in-addr.arpa
    Remote address:
    8.8.8.8:53
    Request
    37.56.20.217.in-addr.arpa
    IN PTR
    Response
No results found
  • 8.8.8.8:53
    64.159.190.20.in-addr.arpa
    dns
    72 B
    158 B
    1
    1

    DNS Request

    64.159.190.20.in-addr.arpa

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

    DNS Request

    26.165.165.52.in-addr.arpa

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

    DNS Request

    18.31.95.13.in-addr.arpa

  • 8.8.8.8:53
    34.56.20.217.in-addr.arpa
    dns
    71 B
    131 B
    1
    1

    DNS Request

    34.56.20.217.in-addr.arpa

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

    DNS Request

    73.144.22.2.in-addr.arpa

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

    DNS Request

    13.227.111.52.in-addr.arpa

  • 8.8.8.8:53
    37.56.20.217.in-addr.arpa
    dns
    71 B
    131 B
    1
    1

    DNS Request

    37.56.20.217.in-addr.arpa

MITRE ATT&CK Enterprise v15

Replay Monitor

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Downloads

  • C:\Users\Admin\AppData\Local\Temp\{e46eca4f-393b-40df-9f49-076faf788d83}\.ba1\logo.png

    Filesize

    1KB

    MD5

    d6bd210f227442b3362493d046cea233

    SHA1

    ff286ac8370fc655aea0ef35e9cf0bfcb6d698de

    SHA256

    335a256d4779ec5dcf283d007fb56fd8211bbcaf47dcd70fe60ded6a112744ef

    SHA512

    464aaab9e08de610ad34b97d4076e92dc04c2cdc6669f60bfc50f0f9ce5d71c31b8943bd84cee1a04fb9ab5bbed3442bd41d9cb21a0dd170ea97c463e1ce2b5b

  • C:\Users\Admin\AppData\Local\Temp\{e46eca4f-393b-40df-9f49-076faf788d83}\.ba1\wixstdba.dll

    Filesize

    118KB

    MD5

    4d20a950a3571d11236482754b4a8e76

    SHA1

    e68bd784ac143e206d52ecaf54a7e3b8d4d75c9c

    SHA256

    a9295ad4e909f979e2b6cb2b2495c3d35c8517e689cd64a918c690e17b49078b

    SHA512

    8b9243d1f9edbcbd6bdaf6874dc69c806bb29e909bd733781fde8ac80ca3fff574d786ca903871d1e856e73fd58403bebb58c9f23083ea7cd749ba3e890af3d2

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