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Analysis

  • max time kernel
    150s
  • max time network
    93s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20240802-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20240802-enlocale:en-usos:windows10-2004-x64system
  • submitted
    07/08/2024, 00:40 UTC

General

  • Target

    937ebf9ba683966d8a5cee2839a5ff4c75e7d0779aab7a7c3367d00d799bda6e.exe

  • Size

    98KB

  • MD5

    9a96cfaec6b1626cbb40310a6d223811

  • SHA1

    1c0a33c6de9b1b911feb795cdbb65cbe64ff47f4

  • SHA256

    937ebf9ba683966d8a5cee2839a5ff4c75e7d0779aab7a7c3367d00d799bda6e

  • SHA512

    dd2fd62ddfcd931ff66e18de2d3f50d5600c936b966f3e5023fb93f7aa1dae0a0cdd50989bb1f055da1bd2dcd383cd7ebfecfec32b3fef06b17b41f82eadb222

  • SSDEEP

    1536:V7Zf/FAxTWY1++PJHJXA/OsIZfzc3/Q8zxtjm8sv:fnyiQSoojmHv

Malware Config

Signatures

  • Renames multiple (5029) files with added filename extension

    This suggests ransomware activity of encrypting all the files on the system.

  • UPX packed file 4 IoCs

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

  • Drops file in Program Files directory 64 IoCs
  • 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.

Processes

  • C:\Users\Admin\AppData\Local\Temp\937ebf9ba683966d8a5cee2839a5ff4c75e7d0779aab7a7c3367d00d799bda6e.exe
    "C:\Users\Admin\AppData\Local\Temp\937ebf9ba683966d8a5cee2839a5ff4c75e7d0779aab7a7c3367d00d799bda6e.exe"
    1⤵
    • Drops file in Program Files directory
    • System Location Discovery: System Language Discovery
    PID:692

Network

  • flag-us
    DNS
    g.bing.com
    Remote address:
    8.8.8.8:53
    Request
    g.bing.com
    IN A
    Response
    g.bing.com
    IN CNAME
    g-bing-com.dual-a-0034.a-msedge.net
    g-bing-com.dual-a-0034.a-msedge.net
    IN CNAME
    dual-a-0034.a-msedge.net
    dual-a-0034.a-msedge.net
    IN A
    13.107.21.237
    dual-a-0034.a-msedge.net
    IN A
    204.79.197.237
  • flag-us
    GET
    https://g.bing.com/neg/0?action=emptycreativeimpression&adUnitId=11730597&publisherId=251978541&rid=962efe66efd44cdcae4bc530bab9017b&localId=w:82828431-2DDB-D3A4-0A67-5CF56E102AD4&deviceId=6755468654845740&anid=
    Remote address:
    13.107.21.237:443
    Request
    GET /neg/0?action=emptycreativeimpression&adUnitId=11730597&publisherId=251978541&rid=962efe66efd44cdcae4bc530bab9017b&localId=w:82828431-2DDB-D3A4-0A67-5CF56E102AD4&deviceId=6755468654845740&anid= HTTP/2.0
    host: g.bing.com
    accept-encoding: gzip, deflate
    user-agent: WindowsShellClient/9.0.40929.0 (Windows)
    Response
    HTTP/2.0 204
    cache-control: no-cache, must-revalidate
    pragma: no-cache
    expires: Fri, 01 Jan 1990 00:00:00 GMT
    set-cookie: MUID=02F0AF6870136C0920EFBBBC71F36D05; domain=.bing.com; expires=Mon, 01-Sep-2025 00:40:15 GMT; path=/; SameSite=None; Secure; Priority=High;
    strict-transport-security: max-age=31536000; includeSubDomains; preload
    access-control-allow-origin: *
    x-cache: CONFIG_NOCACHE
    accept-ch: Sec-CH-UA-Arch, Sec-CH-UA-Bitness, Sec-CH-UA-Full-Version, Sec-CH-UA-Full-Version-List, Sec-CH-UA-Mobile, Sec-CH-UA-Model, Sec-CH-UA-Platform, Sec-CH-UA-Platform-Version
    x-msedge-ref: Ref A: 15AFF8B184944633BA25B6FD8F2AE314 Ref B: LON04EDGE1218 Ref C: 2024-08-07T00:40:15Z
    date: Wed, 07 Aug 2024 00:40:15 GMT
  • flag-us
    GET
    https://g.bing.com/neg/0?action=emptycreative&adUnitId=11730597&publisherId=251978541&rid=962efe66efd44cdcae4bc530bab9017b&localId=w:82828431-2DDB-D3A4-0A67-5CF56E102AD4&deviceId=6755468654845740&anid=
    Remote address:
    13.107.21.237:443
    Request
    GET /neg/0?action=emptycreative&adUnitId=11730597&publisherId=251978541&rid=962efe66efd44cdcae4bc530bab9017b&localId=w:82828431-2DDB-D3A4-0A67-5CF56E102AD4&deviceId=6755468654845740&anid= HTTP/2.0
    host: g.bing.com
    accept-encoding: gzip, deflate
    user-agent: WindowsShellClient/9.0.40929.0 (Windows)
    cookie: MUID=02F0AF6870136C0920EFBBBC71F36D05
    Response
    HTTP/2.0 204
    cache-control: no-cache, must-revalidate
    pragma: no-cache
    expires: Fri, 01 Jan 1990 00:00:00 GMT
    set-cookie: MSPTC=AfPugkmfQPqhfXAWYPahQGtWSKmUXjsRMXyMQC-S5cU; domain=.bing.com; expires=Mon, 01-Sep-2025 00:40:15 GMT; path=/; Partitioned; secure; SameSite=None
    strict-transport-security: max-age=31536000; includeSubDomains; preload
    access-control-allow-origin: *
    x-cache: CONFIG_NOCACHE
    accept-ch: Sec-CH-UA-Arch, Sec-CH-UA-Bitness, Sec-CH-UA-Full-Version, Sec-CH-UA-Full-Version-List, Sec-CH-UA-Mobile, Sec-CH-UA-Model, Sec-CH-UA-Platform, Sec-CH-UA-Platform-Version
    x-msedge-ref: Ref A: 4AF8C99BD1814310949545BE9F8D189E Ref B: LON04EDGE1218 Ref C: 2024-08-07T00:40:15Z
    date: Wed, 07 Aug 2024 00:40:15 GMT
  • flag-us
    GET
    https://g.bing.com/neg/0?action=emptycreativeimpression&adUnitId=11730597&publisherId=251978541&rid=962efe66efd44cdcae4bc530bab9017b&localId=w:82828431-2DDB-D3A4-0A67-5CF56E102AD4&deviceId=6755468654845740&anid=
    Remote address:
    13.107.21.237:443
    Request
    GET /neg/0?action=emptycreativeimpression&adUnitId=11730597&publisherId=251978541&rid=962efe66efd44cdcae4bc530bab9017b&localId=w:82828431-2DDB-D3A4-0A67-5CF56E102AD4&deviceId=6755468654845740&anid= HTTP/2.0
    host: g.bing.com
    accept-encoding: gzip, deflate
    user-agent: WindowsShellClient/9.0.40929.0 (Windows)
    cookie: MUID=02F0AF6870136C0920EFBBBC71F36D05; MSPTC=AfPugkmfQPqhfXAWYPahQGtWSKmUXjsRMXyMQC-S5cU
    Response
    HTTP/2.0 204
    cache-control: no-cache, must-revalidate
    pragma: no-cache
    expires: Fri, 01 Jan 1990 00:00:00 GMT
    strict-transport-security: max-age=31536000; includeSubDomains; preload
    access-control-allow-origin: *
    x-cache: CONFIG_NOCACHE
    accept-ch: Sec-CH-UA-Arch, Sec-CH-UA-Bitness, Sec-CH-UA-Full-Version, Sec-CH-UA-Full-Version-List, Sec-CH-UA-Mobile, Sec-CH-UA-Model, Sec-CH-UA-Platform, Sec-CH-UA-Platform-Version
    x-msedge-ref: Ref A: 7D71FBB668B7415FA3489AB78929ED48 Ref B: LON04EDGE1218 Ref C: 2024-08-07T00:40:15Z
    date: Wed, 07 Aug 2024 00:40:15 GMT
  • flag-us
    DNS
    8.8.8.8.in-addr.arpa
    Remote address:
    8.8.8.8:53
    Request
    8.8.8.8.in-addr.arpa
    IN PTR
    Response
    8.8.8.8.in-addr.arpa
    IN PTR
    dnsgoogle
  • flag-us
    DNS
    74.32.126.40.in-addr.arpa
    Remote address:
    8.8.8.8:53
    Request
    74.32.126.40.in-addr.arpa
    IN PTR
    Response
  • flag-us
    DNS
    77.190.18.2.in-addr.arpa
    Remote address:
    8.8.8.8:53
    Request
    77.190.18.2.in-addr.arpa
    IN PTR
    Response
    77.190.18.2.in-addr.arpa
    IN PTR
    a2-18-190-77deploystaticakamaitechnologiescom
  • flag-us
    DNS
    237.21.107.13.in-addr.arpa
    Remote address:
    8.8.8.8:53
    Request
    237.21.107.13.in-addr.arpa
    IN PTR
    Response
  • flag-us
    DNS
    55.36.223.20.in-addr.arpa
    Remote address:
    8.8.8.8:53
    Request
    55.36.223.20.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
    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
    172.214.232.199.in-addr.arpa
    Remote address:
    8.8.8.8:53
    Request
    172.214.232.199.in-addr.arpa
    IN PTR
    Response
  • 13.107.21.237:443
    https://g.bing.com/neg/0?action=emptycreativeimpression&adUnitId=11730597&publisherId=251978541&rid=962efe66efd44cdcae4bc530bab9017b&localId=w:82828431-2DDB-D3A4-0A67-5CF56E102AD4&deviceId=6755468654845740&anid=
    tls, http2
    2.0kB
    9.3kB
    21
    18

    HTTP Request

    GET https://g.bing.com/neg/0?action=emptycreativeimpression&adUnitId=11730597&publisherId=251978541&rid=962efe66efd44cdcae4bc530bab9017b&localId=w:82828431-2DDB-D3A4-0A67-5CF56E102AD4&deviceId=6755468654845740&anid=

    HTTP Response

    204

    HTTP Request

    GET https://g.bing.com/neg/0?action=emptycreative&adUnitId=11730597&publisherId=251978541&rid=962efe66efd44cdcae4bc530bab9017b&localId=w:82828431-2DDB-D3A4-0A67-5CF56E102AD4&deviceId=6755468654845740&anid=

    HTTP Response

    204

    HTTP Request

    GET https://g.bing.com/neg/0?action=emptycreativeimpression&adUnitId=11730597&publisherId=251978541&rid=962efe66efd44cdcae4bc530bab9017b&localId=w:82828431-2DDB-D3A4-0A67-5CF56E102AD4&deviceId=6755468654845740&anid=

    HTTP Response

    204
  • 8.8.8.8:53
    g.bing.com
    dns
    56 B
    151 B
    1
    1

    DNS Request

    g.bing.com

    DNS Response

    13.107.21.237
    204.79.197.237

  • 8.8.8.8:53
    8.8.8.8.in-addr.arpa
    dns
    66 B
    90 B
    1
    1

    DNS Request

    8.8.8.8.in-addr.arpa

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

    DNS Request

    74.32.126.40.in-addr.arpa

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

    DNS Request

    77.190.18.2.in-addr.arpa

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

    DNS Request

    237.21.107.13.in-addr.arpa

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

    DNS Request

    55.36.223.20.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
    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
    172.214.232.199.in-addr.arpa
    dns
    74 B
    128 B
    1
    1

    DNS Request

    172.214.232.199.in-addr.arpa

MITRE ATT&CK Enterprise v15

Replay Monitor

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Downloads

  • C:\$Recycle.Bin\S-1-5-21-2412658365-3084825385-3340777666-1000\desktop.ini.tmp

    Filesize

    98KB

    MD5

    8e57251a5de25a8977d9122a6b36467e

    SHA1

    4f40f6077e442ddc46a19328002609e02414e89c

    SHA256

    04181ec7b64b6aba71bd1eab5306e9821baad545b318f33bdc43b83cd4d25530

    SHA512

    4a66da92a39c33011baff4632ded8d046b8cbe7d834f0ffb33d6f2a1bbed25954a3db89d4c03097670d1a59a0b890d200697fbd96165bae95814b6212066e9a0

  • C:\Program Files\7-Zip\7-zip.dll.tmp

    Filesize

    197KB

    MD5

    72c4ad2d827f02ce9a180c19f01065cb

    SHA1

    ed9183cd2398733ab9da04300e86e5dfc4dbbbc7

    SHA256

    914935a2d083cf6e8c61fd9e8c28f04af4d113367dfa12596b9d7abda84e7ede

    SHA512

    c4e1e0ed9b0461bfa68135491cb63bba0042d41c0cf3addcd1a170ab7b162a42083625beca0377fd7aa8c3a6ca26b1f0a50214f3599fcb363845169b1de4b195

  • memory/692-0-0x0000000000400000-0x000000000040B000-memory.dmp

    Filesize

    44KB

  • memory/692-1822-0x0000000000400000-0x000000000040B000-memory.dmp

    Filesize

    44KB

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