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Analysis

  • max time kernel
    122s
  • max time network
    122s
  • platform
    windows7_x64
  • resource
    win7-20240903-en
  • resource tags

    arch:x64arch:x86image:win7-20240903-enlocale:en-usos:windows7-x64system
  • submitted
    07/01/2025, 01:04 UTC

General

  • Target

    JaffaCakes118_44a5c905d738a570bf4bc0fdc7fcb2f5.exe

  • Size

    533KB

  • MD5

    44a5c905d738a570bf4bc0fdc7fcb2f5

  • SHA1

    e8c719c5db68ac5f4a54d15a08b630eabc80b160

  • SHA256

    4f075208c4a73e0233240f7ed3bb26f4bb750167d5b419d4ed619eeb449254ec

  • SHA512

    1dcd4ccab7ecd31d109f195d1e902d9457ffdccc476d7156f817446eab33368b5e294d10e33b7028eee0d53bcdb8e47f7e4f2bf7cf9ab2d57e56c3a2038795af

  • SSDEEP

    12288:E93uV1kGdQ97QDQh0KnRmAdGi00OFDXBSEOHnMLB2fdY0:GC15wkkhvYAdH0brMplfd

Malware Config

Signatures

  • 44Caliber

    An open source infostealer written in C#.

  • 44Caliber family
  • Reads user/profile data of web browsers 3 TTPs

    Infostealers often target stored browser data, which can include saved credentials etc.

  • Accesses cryptocurrency files/wallets, possible credential harvesting 2 TTPs
  • Looks up external IP address via web service 2 IoCs

    Uses a legitimate IP lookup service to find the infected system's external IP.

  • Checks processor information in registry 2 TTPs 2 IoCs

    Processor information is often read in order to detect sandboxing environments.

  • Suspicious behavior: EnumeratesProcesses 4 IoCs
  • Suspicious use of AdjustPrivilegeToken 1 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_44a5c905d738a570bf4bc0fdc7fcb2f5.exe
    "C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_44a5c905d738a570bf4bc0fdc7fcb2f5.exe"
    1⤵
    • Checks processor information in registry
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of AdjustPrivilegeToken
    PID:2304

Network

  • flag-us
    DNS
    freegeoip.app
    JaffaCakes118_44a5c905d738a570bf4bc0fdc7fcb2f5.exe
    Remote address:
    8.8.8.8:53
    Request
    freegeoip.app
    IN A
    Response
    freegeoip.app
    IN A
    172.67.160.84
    freegeoip.app
    IN A
    104.21.73.97
  • flag-us
    GET
    https://freegeoip.app/xml/
    JaffaCakes118_44a5c905d738a570bf4bc0fdc7fcb2f5.exe
    Remote address:
    172.67.160.84:443
    Request
    GET /xml/ HTTP/1.1
    Host: freegeoip.app
    Connection: Keep-Alive
    Response
    HTTP/1.1 301 Moved Permanently
    Date: Tue, 07 Jan 2025 01:04:31 GMT
    Content-Type: text/html
    Content-Length: 167
    Connection: keep-alive
    Cache-Control: max-age=3600
    Expires: Tue, 07 Jan 2025 02:04:31 GMT
    Location: https://ipbase.com/xml/
    Report-To: {"endpoints":[{"url":"https:\/\/a.nel.cloudflare.com\/report\/v4?s=Fvwnywg4aQQp%2FnzR52HeyrLo2XBRI1B8%2Fe48tlwAQY63zg9nCqWrnN17p1LL7bSje6x%2Fbu77w0NzKEjp2SrHMMqulE2DuPx2pqxIpTHuy8iU7QDqYNTrRLGhVR%2ByEbmg"}],"group":"cf-nel","max_age":604800}
    NEL: {"success_fraction":0,"report_to":"cf-nel","max_age":604800}
    Server: cloudflare
    CF-RAY: 8fe008c6f83a9502-LHR
    alt-svc: h3=":443"; ma=86400
    server-timing: cfL4;desc="?proto=TCP&rtt=50279&min_rtt=47065&rtt_var=15664&sent=5&recv=6&lost=0&retrans=0&sent_bytes=2848&recv_bytes=352&delivery_rate=73705&cwnd=250&unsent_bytes=0&cid=e39652b38de6986b&ts=128&x=0"
  • flag-us
    DNS
    ipbase.com
    JaffaCakes118_44a5c905d738a570bf4bc0fdc7fcb2f5.exe
    Remote address:
    8.8.8.8:53
    Request
    ipbase.com
    IN A
    Response
    ipbase.com
    IN A
    104.21.85.189
    ipbase.com
    IN A
    172.67.209.71
  • flag-us
    GET
    https://ipbase.com/xml/
    JaffaCakes118_44a5c905d738a570bf4bc0fdc7fcb2f5.exe
    Remote address:
    104.21.85.189:443
    Request
    GET /xml/ HTTP/1.1
    Host: ipbase.com
    Connection: Keep-Alive
    Response
    HTTP/1.1 404 Not Found
    Date: Tue, 07 Jan 2025 01:04:32 GMT
    Content-Type: text/html; charset=utf-8
    Transfer-Encoding: chunked
    Connection: keep-alive
    Age: 40698
    Cache-Control: public,max-age=0,must-revalidate
    Cache-Status: "Netlify Edge"; hit
    Vary: Accept-Encoding
    X-Nf-Request-Id: 01JGZ4NECC7MAYMFHABQ2796WV
    cf-cache-status: DYNAMIC
    Report-To: {"endpoints":[{"url":"https:\/\/a.nel.cloudflare.com\/report\/v4?s=U3M7KNAJJndy2LB80gNWylA3%2Fgh6Frw7%2FuWF4hvIPxPFBMBQo7MYlCD5MjkVW7RTtUu1c4KkEBklQOnHRPnse%2BROg5Cc%2BxY%2BHBhrEnkYaY6RDEgoiNIfvXr8zOJo"}],"group":"cf-nel","max_age":604800}
    NEL: {"success_fraction":0,"report_to":"cf-nel","max_age":604800}
    Server: cloudflare
    CF-RAY: 8fe008c8ac4a385a-LHR
    alt-svc: h3=":443"; ma=86400
    server-timing: cfL4;desc="?proto=TCP&rtt=48176&min_rtt=47270&rtt_var=11535&sent=6&recv=6&lost=0&retrans=0&sent_bytes=2836&recv_bytes=349&delivery_rate=79463&cwnd=241&unsent_bytes=0&cid=4f4c1493116198b1&ts=154&x=0"
  • 172.67.160.84:443
    https://freegeoip.app/xml/
    tls, http
    JaffaCakes118_44a5c905d738a570bf4bc0fdc7fcb2f5.exe
    760 B
    5.3kB
    9
    8

    HTTP Request

    GET https://freegeoip.app/xml/

    HTTP Response

    301
  • 104.21.85.189:443
    https://ipbase.com/xml/
    tls, http
    JaffaCakes118_44a5c905d738a570bf4bc0fdc7fcb2f5.exe
    843 B
    8.0kB
    11
    14

    HTTP Request

    GET https://ipbase.com/xml/

    HTTP Response

    404
  • 8.8.8.8:53
    freegeoip.app
    dns
    JaffaCakes118_44a5c905d738a570bf4bc0fdc7fcb2f5.exe
    59 B
    91 B
    1
    1

    DNS Request

    freegeoip.app

    DNS Response

    172.67.160.84
    104.21.73.97

  • 8.8.8.8:53
    ipbase.com
    dns
    JaffaCakes118_44a5c905d738a570bf4bc0fdc7fcb2f5.exe
    56 B
    88 B
    1
    1

    DNS Request

    ipbase.com

    DNS Response

    104.21.85.189
    172.67.209.71

MITRE ATT&CK Enterprise v15

Replay Monitor

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Downloads

  • C:\Users\Admin\AppData\Local\44\Process.txt

    Filesize

    472B

    MD5

    4e83a5421da5461897cf1d2ce0df4963

    SHA1

    8d52a9fa003717d1f7498d2bb295b2610b073f99

    SHA256

    d2886abd936a3047b14e7ebf2c7137373bbc8e035493a4508b4c0f2693405cef

    SHA512

    92f544cadd8199be0f8727519a243f672fc4823072347566a336a6736a66f9772ecf6b59fbdce14553a26eba93a0b881808e3522d26ecf4b9aff9f8c4ba3e897

  • memory/2304-0-0x000007FEF5C73000-0x000007FEF5C74000-memory.dmp

    Filesize

    4KB

  • memory/2304-1-0x00000000013D0000-0x000000000145C000-memory.dmp

    Filesize

    560KB

  • memory/2304-2-0x000000001AD30000-0x000000001AE0A000-memory.dmp

    Filesize

    872KB

  • memory/2304-3-0x00000000003C0000-0x00000000003C6000-memory.dmp

    Filesize

    24KB

  • memory/2304-4-0x000007FEF5C70000-0x000007FEF665C000-memory.dmp

    Filesize

    9.9MB

  • memory/2304-56-0x000007FEF5C70000-0x000007FEF665C000-memory.dmp

    Filesize

    9.9MB

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