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Analysis

  • max time kernel
    150s
  • max time network
    153s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20240709-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20240709-enlocale:en-usos:windows10-2004-x64system
  • submitted
    13/07/2024, 21:16 UTC

General

  • Target

    435e570880d6aca6d294205fc08e7695_JaffaCakes118.exe

  • Size

    121KB

  • MD5

    435e570880d6aca6d294205fc08e7695

  • SHA1

    a985ba7f09de7371f6c151194ced63807b13b6e3

  • SHA256

    75df84ce51fba958aabc1d460c40406083753dfe8a66d7b4b8fb4c65675db1ad

  • SHA512

    86d684d6eb73a1a2aa8540f47c7f682b01d1f289ba54d2f9ab62c04061177202617befde62848db37cd90eac2d837f69345a84292d34838e331c5b8c4d74a293

  • SSDEEP

    3072:1KQXtg/sDHmJ945Q41S/HdrJckuzIsJjs0Oh8bFgG1jP:1NpuESfdr+ssV0OpjP

Score
7/10

Malware Config

Signatures

  • Loads dropped DLL 5 IoCs
  • Installs/modifies Browser Helper Object 2 TTPs 1 IoCs

    BHOs are DLL modules which act as plugins for Internet Explorer.

  • Drops file in Windows directory 5 IoCs
  • Enumerates physical storage devices 1 TTPs

    Attempts to interact with connected storage/optical drive(s).

  • Modifies registry class 41 IoCs
  • Suspicious use of WriteProcessMemory 3 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\435e570880d6aca6d294205fc08e7695_JaffaCakes118.exe
    "C:\Users\Admin\AppData\Local\Temp\435e570880d6aca6d294205fc08e7695_JaffaCakes118.exe"
    1⤵
    • Loads dropped DLL
    • Installs/modifies Browser Helper Object
    • Drops file in Windows directory
    • Modifies registry class
    • Suspicious use of WriteProcessMemory
    PID:2600
    • C:\Windows\SysWOW64\regsvr32.exe
      "regsvr32.exe" "C:\Windows\Intel\baiduc.dll" /s
      2⤵
      • Loads dropped DLL
      • Drops file in Windows directory
      • Modifies registry class
      PID:824

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=a80291d2e8804f358aa9ea67c0a85f44&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=a80291d2e8804f358aa9ea67c0a85f44&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=207A584CA3406D9C1BD04CF7A2A06C5C; domain=.bing.com; expires=Thu, 07-Aug-2025 21:16:52 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: 1CD012FD58E54751A5BB3C4CF0CBF423 Ref B: LON04EDGE1112 Ref C: 2024-07-13T21:16:52Z
    date: Sat, 13 Jul 2024 21:16:51 GMT
  • flag-us
    GET
    https://g.bing.com/neg/0?action=emptycreative&adUnitId=11730597&publisherId=251978541&rid=a80291d2e8804f358aa9ea67c0a85f44&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=a80291d2e8804f358aa9ea67c0a85f44&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=207A584CA3406D9C1BD04CF7A2A06C5C
    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=W-LoQ1fdVZ_b1lzmjusUbiQ6pyRpMdTIMpIuSzLTMm8; domain=.bing.com; expires=Thu, 07-Aug-2025 21:16:52 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: 0F4F62F3709F4568B4976772AB56226D Ref B: LON04EDGE1112 Ref C: 2024-07-13T21:16:52Z
    date: Sat, 13 Jul 2024 21:16:51 GMT
  • flag-us
    GET
    https://g.bing.com/neg/0?action=emptycreativeimpression&adUnitId=11730597&publisherId=251978541&rid=a80291d2e8804f358aa9ea67c0a85f44&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=a80291d2e8804f358aa9ea67c0a85f44&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=207A584CA3406D9C1BD04CF7A2A06C5C; MSPTC=W-LoQ1fdVZ_b1lzmjusUbiQ6pyRpMdTIMpIuSzLTMm8
    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: 3CF7C793C3B34B16A8920C25A92CD2BF Ref B: LON04EDGE1112 Ref C: 2024-07-13T21:16:52Z
    date: Sat, 13 Jul 2024 21:16:51 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
    68.159.190.20.in-addr.arpa
    Remote address:
    8.8.8.8:53
    Request
    68.159.190.20.in-addr.arpa
    IN PTR
    Response
  • flag-us
    DNS
    26.35.223.20.in-addr.arpa
    Remote address:
    8.8.8.8:53
    Request
    26.35.223.20.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
    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
    157.123.68.40.in-addr.arpa
    Remote address:
    8.8.8.8:53
    Request
    157.123.68.40.in-addr.arpa
    IN PTR
    Response
  • flag-us
    DNS
    56.126.166.20.in-addr.arpa
    Remote address:
    8.8.8.8:53
    Request
    56.126.166.20.in-addr.arpa
    IN PTR
    Response
  • flag-us
    DNS
    0.205.248.87.in-addr.arpa
    Remote address:
    8.8.8.8:53
    Request
    0.205.248.87.in-addr.arpa
    IN PTR
    Response
    0.205.248.87.in-addr.arpa
    IN PTR
    https-87-248-205-0lgwllnwnet
  • 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=a80291d2e8804f358aa9ea67c0a85f44&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=a80291d2e8804f358aa9ea67c0a85f44&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=a80291d2e8804f358aa9ea67c0a85f44&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=a80291d2e8804f358aa9ea67c0a85f44&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
    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
    68.159.190.20.in-addr.arpa
    dns
    72 B
    158 B
    1
    1

    DNS Request

    68.159.190.20.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
    26.35.223.20.in-addr.arpa
    dns
    71 B
    157 B
    1
    1

    DNS Request

    26.35.223.20.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
    157.123.68.40.in-addr.arpa
    dns
    72 B
    146 B
    1
    1

    DNS Request

    157.123.68.40.in-addr.arpa

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

    DNS Request

    56.126.166.20.in-addr.arpa

  • 8.8.8.8:53
    0.205.248.87.in-addr.arpa
    dns
    71 B
    116 B
    1
    1

    DNS Request

    0.205.248.87.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

MITRE ATT&CK Enterprise v15

Replay Monitor

Loading Replay Monitor...

Downloads

  • C:\Users\Admin\AppData\Local\Temp\nsrBE7F.tmp\System.dll

    Filesize

    10KB

    MD5

    bf01b2d04e8fad306ba2f364cfc4edfa

    SHA1

    58f42b45ca9fc1818c4498ecd8bac088d20f2b18

    SHA256

    d3f9c99e0c1c9acd81a1b33bc3dbd305140def90d10485c253cf1d455f0dc903

    SHA512

    30ca1663d659c5efac7fed3d1aaba81c47d5d5fda77f30f021124c882b858732e17f917bfd0aa3ee7b269fad86e75b1b9388d8f916e7a4e2c9961669f2c772e7

  • C:\Windows\Intel\baiduc.dll

    Filesize

    156KB

    MD5

    42748366d1edb36ffc9156932e52cf13

    SHA1

    1c2862acc20bb1d530340ae4c26d7b6337f5c07c

    SHA256

    06d3bd3d155d93792a41eaf999bf2d45b9de1cb093622dafbfc7b634d8105244

    SHA512

    ac7fdaa8bfa348ed62cce11109d3ad0d9a77494be5ad8202df98f0881c9ebe5bccd904839527b635e583b038440cff25a179abfbf741bdf4980de58c76d5f8c0

  • C:\Windows\system.ini

    Filesize

    247B

    MD5

    54d86797f5bb50e10fb6e3c6f2cd9432

    SHA1

    4ba0c23e177830332276c53f8460151a5b8248ef

    SHA256

    f898742bb7083056a6cc110503856690881e57530845c0d6af5bfba9ae8dfbbd

    SHA512

    fed3356ca6e2be4702a08c1fb2dde2d1ccd681b1bed4deeb4c06fbb032e9233e2c1774efb3868bc71c40d3a023f02f7b69240058e96ceeece325b42ed02c8fb5

  • memory/2600-13-0x0000000004810000-0x0000000004839000-memory.dmp

    Filesize

    164KB

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