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Analysis

  • max time kernel
    118s
  • max time network
    122s
  • platform
    windows7_x64
  • resource
    win7-20231129-en
  • resource tags

    arch:x64arch:x86image:win7-20231129-enlocale:en-usos:windows7-x64system
  • submitted
    30/12/2023, 06:25 UTC

General

  • Target

    1103658c4b3bb9dff6c5cfd336888b49.exe

  • Size

    2.5MB

  • MD5

    1103658c4b3bb9dff6c5cfd336888b49

  • SHA1

    8a175095f719aad7f86b2717f395835a6d816580

  • SHA256

    003a8f55631f3e12a5e793827142880a8b1dc64857574176e489b0496eeb53ea

  • SHA512

    4916ad771822cb93b1f4c3ddb9bda5cbb30e6c68e4435a7c0a7c45b81d518b702acb8d0ae8d394b9426a078d1d62d5a748620c55bc3fc1159e27948bc162531c

  • SSDEEP

    49152:G7q0KBwbMxKxPSxf55+PEYMHQau+N74NH5HUyNRcUsCVOzet0:GWjmbMxKaf8EYMwau+4HBUCczz9

Score
7/10
upx

Malware Config

Signatures

  • Deletes itself 1 IoCs
  • Executes dropped EXE 1 IoCs
  • Loads dropped DLL 1 IoCs
  • UPX packed file 4 IoCs

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

  • Suspicious behavior: RenamesItself 1 IoCs
  • Suspicious use of UnmapMainImage 2 IoCs
  • Suspicious use of WriteProcessMemory 4 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\1103658c4b3bb9dff6c5cfd336888b49.exe
    "C:\Users\Admin\AppData\Local\Temp\1103658c4b3bb9dff6c5cfd336888b49.exe"
    1⤵
    • Loads dropped DLL
    • Suspicious behavior: RenamesItself
    • Suspicious use of UnmapMainImage
    • Suspicious use of WriteProcessMemory
    PID:2224
    • C:\Users\Admin\AppData\Local\Temp\1103658c4b3bb9dff6c5cfd336888b49.exe
      C:\Users\Admin\AppData\Local\Temp\1103658c4b3bb9dff6c5cfd336888b49.exe
      2⤵
      • Deletes itself
      • Executes dropped EXE
      • Suspicious use of UnmapMainImage
      PID:2860

Network

  • flag-us
    DNS
    zipansion.com
    1103658c4b3bb9dff6c5cfd336888b49.exe
    Remote address:
    8.8.8.8:53
    Request
    zipansion.com
    IN A
    Response
    zipansion.com
    IN A
    172.67.144.180
    zipansion.com
    IN A
    104.21.73.114
  • flag-us
    GET
    http://zipansion.com/2pRLi
    1103658c4b3bb9dff6c5cfd336888b49.exe
    Remote address:
    172.67.144.180:80
    Request
    GET /2pRLi HTTP/1.1
    User-Agent: Mozilla/5.0 (Windows NT 10.0; Win64; x64; rv:59.0) Gecko/20100101 Firefox/59.0
    Host: zipansion.com
    Cache-Control: no-cache
    Response
    HTTP/1.1 301 Moved Permanently
    Date: Sun, 31 Dec 2023 03:21:30 GMT
    Content-Type: text/html; charset=UTF-8
    Transfer-Encoding: chunked
    Connection: keep-alive
    set-cookie: FLYSESSID=ege6anqvninkj7f6s1uvedon8j; path=/; HttpOnly; SameSite=Lax
    expires: Thu, 19 Nov 1981 08:52:00 GMT
    cache-control: no-store, no-cache, must-revalidate
    pragma: no-cache
    x-powered-by: adfly
    strict-transport-security: max-age=0
    location: http://yxeepsek.net/-36721UWCO/2pRLi?rndad=1502943035-1703992890
    x-turbo-charged-by: LiteSpeed
    CF-Cache-Status: DYNAMIC
    Report-To: {"endpoints":[{"url":"https:\/\/a.nel.cloudflare.com\/report\/v3?s=irm9tRkIZaxkediBP0ibNrN1JfWSkEghKB7RbYsD93J2Y6f2SsMcvBRZ0fjw0YsuNh70IWvHXdRyRmySpGc%2F5BcxcLyUxVG9edCJw%2FcjKjiFcvE0ksm8lRlBxq2zkZ7V"}],"group":"cf-nel","max_age":604800}
    NEL: {"success_fraction":0,"report_to":"cf-nel","max_age":604800}
    Server: cloudflare
    CF-RAY: 83df648a8d0163b7-LHR
    alt-svc: h2=":443"; ma=60
  • flag-us
    DNS
    yxeepsek.net
    1103658c4b3bb9dff6c5cfd336888b49.exe
    Remote address:
    8.8.8.8:53
    Request
    yxeepsek.net
    IN A
    Response
    yxeepsek.net
    IN A
    172.67.194.101
    yxeepsek.net
    IN A
    104.21.20.204
  • flag-us
    GET
    http://yxeepsek.net/-36721UWCO/2pRLi?rndad=1502943035-1703992890
    1103658c4b3bb9dff6c5cfd336888b49.exe
    Remote address:
    172.67.194.101:80
    Request
    GET /-36721UWCO/2pRLi?rndad=1502943035-1703992890 HTTP/1.1
    User-Agent: Mozilla/5.0 (Windows NT 10.0; Win64; x64; rv:59.0) Gecko/20100101 Firefox/59.0
    Connection: Keep-Alive
    Cache-Control: no-cache
    Host: yxeepsek.net
    Response
    HTTP/1.1 302 Found
    Date: Sun, 31 Dec 2023 03:21:30 GMT
    Content-Type: text/html; charset=UTF-8
    Transfer-Encoding: chunked
    Connection: keep-alive
    set-cookie: FLYSESSID=bms8ftgsbtk29g6kesc3d5bq4c; path=/; HttpOnly; SameSite=Lax
    expires: Thu, 19 Nov 1981 08:52:00 GMT
    cache-control: no-cache, no-store, must-revalidate, max-age=0
    pragma: no-cache
    x-powered-by: adfly
    strict-transport-security: max-age=0
    location: /suspended?a=3&u=20186239
    x-turbo-charged-by: LiteSpeed
    CF-Cache-Status: DYNAMIC
    Report-To: {"endpoints":[{"url":"https:\/\/a.nel.cloudflare.com\/report\/v3?s=LFJjRD%2FngsYZq0BPg%2BVW04%2FNMAZq3%2BPfDqp%2FNULBFxE%2FkrirCOowUhmkkCxylbPE7u1XfsCuUz%2B7i4wm4lE%2BkkGC23ScPli85WGFhbppMrV2JhNKt%2FaCvrNxpT%2BENRc%3D"}],"group":"cf-nel","max_age":604800}
    NEL: {"success_fraction":0,"report_to":"cf-nel","max_age":604800}
    Server: cloudflare
    CF-RAY: 83df648ecb4823bc-LHR
    alt-svc: h2=":443"; ma=60
  • flag-us
    GET
    http://yxeepsek.net/suspended?a=3&u=20186239
    1103658c4b3bb9dff6c5cfd336888b49.exe
    Remote address:
    172.67.194.101:80
    Request
    GET /suspended?a=3&u=20186239 HTTP/1.1
    User-Agent: Mozilla/5.0 (Windows NT 10.0; Win64; x64; rv:59.0) Gecko/20100101 Firefox/59.0
    Connection: Keep-Alive
    Cache-Control: no-cache
    Host: yxeepsek.net
    Cookie: FLYSESSID=bms8ftgsbtk29g6kesc3d5bq4c
    Response
    HTTP/1.1 200 OK
    Date: Sun, 31 Dec 2023 03:21:31 GMT
    Content-Type: text/html
    Transfer-Encoding: chunked
    Connection: keep-alive
    last-modified: Tue, 10 Nov 2020 09:44:07 GMT
    vary: Accept-Encoding
    x-turbo-charged-by: LiteSpeed
    CF-Cache-Status: DYNAMIC
    Report-To: {"endpoints":[{"url":"https:\/\/a.nel.cloudflare.com\/report\/v3?s=tYCy2EtHO68T0k8J0iRkqZvS1vYbCn2q1zM0IroKprBWax8C3qxxqddK%2BXBzyZx4i0PPSVWgX8pNb2KfE94sWsuvme95%2BNcvIltOs5T8lfpw3OCBa0MG1NTekGKhDzY%3D"}],"group":"cf-nel","max_age":604800}
    NEL: {"success_fraction":0,"report_to":"cf-nel","max_age":604800}
    Server: cloudflare
    CF-RAY: 83df64907c4d23bc-LHR
    alt-svc: h2=":443"; ma=60
  • 172.67.144.180:80
    http://zipansion.com/2pRLi
    http
    1103658c4b3bb9dff6c5cfd336888b49.exe
    489 B
    2.1kB
    7
    5

    HTTP Request

    GET http://zipansion.com/2pRLi

    HTTP Response

    301
  • 172.67.194.101:80
    http://yxeepsek.net/suspended?a=3&u=20186239
    http
    1103658c4b3bb9dff6c5cfd336888b49.exe
    834 B
    3.3kB
    8
    9

    HTTP Request

    GET http://yxeepsek.net/-36721UWCO/2pRLi?rndad=1502943035-1703992890

    HTTP Response

    302

    HTTP Request

    GET http://yxeepsek.net/suspended?a=3&u=20186239

    HTTP Response

    200
  • 8.8.8.8:53
    zipansion.com
    dns
    1103658c4b3bb9dff6c5cfd336888b49.exe
    59 B
    91 B
    1
    1

    DNS Request

    zipansion.com

    DNS Response

    172.67.144.180
    104.21.73.114

  • 8.8.8.8:53
    yxeepsek.net
    dns
    1103658c4b3bb9dff6c5cfd336888b49.exe
    58 B
    90 B
    1
    1

    DNS Request

    yxeepsek.net

    DNS Response

    172.67.194.101
    104.21.20.204

MITRE ATT&CK Matrix

Replay Monitor

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Downloads

  • \Users\Admin\AppData\Local\Temp\1103658c4b3bb9dff6c5cfd336888b49.exe

    Filesize

    96KB

    MD5

    841e54058e93ec36d8c0805e71abec83

    SHA1

    b5ac151decc6593385748f7e95be688364bf09ef

    SHA256

    24565ac4e9462e1a5933abc3e4e7c774a26b2a64e75e4c00ae2abcb6cd6dcb27

    SHA512

    763e106944830c5116cee8bc0e2407404c0ceb17bc2fa88d5bca4888f4bc0007fcea49c85f08dc9900c38d8fd029f4f3d1ee0670483ad8e8b621170a68cb6933

  • memory/2224-3-0x0000000001B20000-0x0000000001C53000-memory.dmp

    Filesize

    1.2MB

  • memory/2224-0-0x0000000000400000-0x000000000062A000-memory.dmp

    Filesize

    2.2MB

  • memory/2224-1-0x0000000000400000-0x00000000008EF000-memory.dmp

    Filesize

    4.9MB

  • memory/2224-31-0x0000000003730000-0x0000000003C1F000-memory.dmp

    Filesize

    4.9MB

  • memory/2224-13-0x0000000000400000-0x000000000062A000-memory.dmp

    Filesize

    2.2MB

  • memory/2224-14-0x0000000003730000-0x0000000003C1F000-memory.dmp

    Filesize

    4.9MB

  • memory/2860-16-0x0000000000400000-0x000000000062A000-memory.dmp

    Filesize

    2.2MB

  • memory/2860-20-0x0000000001B20000-0x0000000001C53000-memory.dmp

    Filesize

    1.2MB

  • memory/2860-25-0x0000000003410000-0x000000000363A000-memory.dmp

    Filesize

    2.2MB

  • memory/2860-23-0x0000000000400000-0x000000000061D000-memory.dmp

    Filesize

    2.1MB

  • memory/2860-18-0x0000000000400000-0x00000000008EF000-memory.dmp

    Filesize

    4.9MB

  • memory/2860-32-0x0000000000400000-0x00000000008EF000-memory.dmp

    Filesize

    4.9MB

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