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Analysis

  • max time kernel
    92s
  • max time network
    100s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20240709-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20240709-enlocale:en-usos:windows10-2004-x64system
  • submitted
    15/07/2024, 22:39 UTC

General

  • Target

    2076bc4bb57ee7b4e4a91310f8d14890N.dll

  • Size

    123KB

  • MD5

    2076bc4bb57ee7b4e4a91310f8d14890

  • SHA1

    5d494f8bcfe2f09edc751181907a774fb05fffa6

  • SHA256

    2d913c9a9e8391ed3bb7394587a6b891e7eb4d8473c24952f0c6a6c5b16d5e36

  • SHA512

    f7bbd9051d4bb890d97cf7ca3713d8c9e79b9ed0e36a615c55bb60bf22e1d7b2178f0d5045a22cbbcf17def20fb5c15dcbfefb9dd06c28778e21c98aa882837e

  • SSDEEP

    3072:LZx4fbesaM8CsWppETmrcaQdysX9rPUY2l1TQ1MvNDTtPTSj:Mis58ZWppGIsXXi1TQetPW

Score
10/10

Malware Config

Extracted

Family

strela

C2

45.9.74.32

Attributes
  • url_path

    /out.php

  • user_agent

    Mozilla/4.0 (compatible)

Signatures

  • Detects Strela Stealer payload 2 IoCs
  • Strela stealer

    An info stealer targeting mail credentials first seen in late 2022.

Processes

  • C:\Windows\system32\rundll32.exe
    rundll32.exe C:\Users\Admin\AppData\Local\Temp\2076bc4bb57ee7b4e4a91310f8d14890N.dll,#1
    1⤵
      PID:4260

    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=fcb4918325b74af0964e14685268be41&localId=w:7F54B7CC-A139-0C44-079B-F8E35781E681&deviceId=6825836757805329&anid=
      Remote address:
      13.107.21.237:443
      Request
      GET /neg/0?action=emptycreativeimpression&adUnitId=11730597&publisherId=251978541&rid=fcb4918325b74af0964e14685268be41&localId=w:7F54B7CC-A139-0C44-079B-F8E35781E681&deviceId=6825836757805329&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=1FAE152E3C4C6EE5164801933DF76F8D; domain=.bing.com; expires=Sat, 09-Aug-2025 22:39:55 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: A302EB78B42643D39FBC03E387605AB1 Ref B: LON04EDGE0808 Ref C: 2024-07-15T22:39:55Z
      date: Mon, 15 Jul 2024 22:39:54 GMT
    • flag-us
      GET
      https://g.bing.com/neg/0?action=emptycreative&adUnitId=11730597&publisherId=251978541&rid=fcb4918325b74af0964e14685268be41&localId=w:7F54B7CC-A139-0C44-079B-F8E35781E681&deviceId=6825836757805329&anid=
      Remote address:
      13.107.21.237:443
      Request
      GET /neg/0?action=emptycreative&adUnitId=11730597&publisherId=251978541&rid=fcb4918325b74af0964e14685268be41&localId=w:7F54B7CC-A139-0C44-079B-F8E35781E681&deviceId=6825836757805329&anid= HTTP/2.0
      host: g.bing.com
      accept-encoding: gzip, deflate
      user-agent: WindowsShellClient/9.0.40929.0 (Windows)
      cookie: MUID=1FAE152E3C4C6EE5164801933DF76F8D
      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=O9yn87HId9xd1rdjDEDRnIqG5qZT2pxaJ2F4gOx_lJs; domain=.bing.com; expires=Sat, 09-Aug-2025 22:39:55 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: ECCBEECC0E9D4445BAFB45E06B50E051 Ref B: LON04EDGE0808 Ref C: 2024-07-15T22:39:55Z
      date: Mon, 15 Jul 2024 22:39:54 GMT
    • flag-us
      GET
      https://g.bing.com/neg/0?action=emptycreativeimpression&adUnitId=11730597&publisherId=251978541&rid=fcb4918325b74af0964e14685268be41&localId=w:7F54B7CC-A139-0C44-079B-F8E35781E681&deviceId=6825836757805329&anid=
      Remote address:
      13.107.21.237:443
      Request
      GET /neg/0?action=emptycreativeimpression&adUnitId=11730597&publisherId=251978541&rid=fcb4918325b74af0964e14685268be41&localId=w:7F54B7CC-A139-0C44-079B-F8E35781E681&deviceId=6825836757805329&anid= HTTP/2.0
      host: g.bing.com
      accept-encoding: gzip, deflate
      user-agent: WindowsShellClient/9.0.40929.0 (Windows)
      cookie: MUID=1FAE152E3C4C6EE5164801933DF76F8D; MSPTC=O9yn87HId9xd1rdjDEDRnIqG5qZT2pxaJ2F4gOx_lJs
      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: 1848A762C3E8479DAA3552B86158C23C Ref B: LON04EDGE0808 Ref C: 2024-07-15T22:39:55Z
      date: Mon, 15 Jul 2024 22:39:54 GMT
    • 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
    • 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
      76.32.126.40.in-addr.arpa
      Remote address:
      8.8.8.8:53
      Request
      76.32.126.40.in-addr.arpa
      IN PTR
      Response
    • flag-us
      DNS
      88.156.103.20.in-addr.arpa
      Remote address:
      8.8.8.8:53
      Request
      88.156.103.20.in-addr.arpa
      IN PTR
      Response
    • flag-us
      DNS
      183.59.114.20.in-addr.arpa
      Remote address:
      8.8.8.8:53
      Request
      183.59.114.20.in-addr.arpa
      IN PTR
      Response
    • flag-us
      DNS
      198.187.3.20.in-addr.arpa
      Remote address:
      8.8.8.8:53
      Request
      198.187.3.20.in-addr.arpa
      IN PTR
      Response
    • flag-us
      DNS
      18.134.221.88.in-addr.arpa
      Remote address:
      8.8.8.8:53
      Request
      18.134.221.88.in-addr.arpa
      IN PTR
      Response
      18.134.221.88.in-addr.arpa
      IN PTR
      a88-221-134-18deploystaticakamaitechnologiescom
    • 13.107.21.237:443
      https://g.bing.com/neg/0?action=emptycreativeimpression&adUnitId=11730597&publisherId=251978541&rid=fcb4918325b74af0964e14685268be41&localId=w:7F54B7CC-A139-0C44-079B-F8E35781E681&deviceId=6825836757805329&anid=
      tls, http2
      2.0kB
      9.3kB
      22
      19

      HTTP Request

      GET https://g.bing.com/neg/0?action=emptycreativeimpression&adUnitId=11730597&publisherId=251978541&rid=fcb4918325b74af0964e14685268be41&localId=w:7F54B7CC-A139-0C44-079B-F8E35781E681&deviceId=6825836757805329&anid=

      HTTP Response

      204

      HTTP Request

      GET https://g.bing.com/neg/0?action=emptycreative&adUnitId=11730597&publisherId=251978541&rid=fcb4918325b74af0964e14685268be41&localId=w:7F54B7CC-A139-0C44-079B-F8E35781E681&deviceId=6825836757805329&anid=

      HTTP Response

      204

      HTTP Request

      GET https://g.bing.com/neg/0?action=emptycreativeimpression&adUnitId=11730597&publisherId=251978541&rid=fcb4918325b74af0964e14685268be41&localId=w:7F54B7CC-A139-0C44-079B-F8E35781E681&deviceId=6825836757805329&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
      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
      172.214.232.199.in-addr.arpa
      dns
      74 B
      128 B
      1
      1

      DNS Request

      172.214.232.199.in-addr.arpa

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

      DNS Request

      76.32.126.40.in-addr.arpa

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

      DNS Request

      88.156.103.20.in-addr.arpa

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

      DNS Request

      183.59.114.20.in-addr.arpa

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

      DNS Request

      198.187.3.20.in-addr.arpa

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

      DNS Request

      18.134.221.88.in-addr.arpa

    MITRE ATT&CK Matrix

    Replay Monitor

    Loading Replay Monitor...

    Downloads

    • memory/4260-0-0x0000028955180000-0x00000289551A2000-memory.dmp

      Filesize

      136KB

    • memory/4260-1-0x0000028955180000-0x00000289551A2000-memory.dmp

      Filesize

      136KB

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