Analysis

  • max time kernel
    150s
  • max time network
    152s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20241007-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-x64system
  • submitted
    22-10-2024 00:37

General

  • Target

    681907ceb507d20b365234373ad52ab2_JaffaCakes118.exe

  • Size

    3.3MB

  • MD5

    681907ceb507d20b365234373ad52ab2

  • SHA1

    59c35266969bbaedf1a804889dc634c799f30940

  • SHA256

    045c1417c4ab506860fa6fea296a6774c7f46bb609fba26774049e3c0dae860a

  • SHA512

    87a38add3a62e4c971c1a48cf3e5f8ecf8e5b04179b5d6a056cab6d5f88741b2d5fe3e8a8a77169139cbf81b5e19deea527142c56679bc75e545c36118dbd34a

  • SSDEEP

    98304:pAI+sFKC2fMM/t0W36s3XbbwMWAiKXCHhQ9t6S9IG:itsbM1RKs3XBTCHhG6SOG

Malware Config

Signatures

  • Azorult

    An information stealer that was first discovered in 2016, targeting browsing history and passwords.

  • Checks computer location settings 2 TTPs 1 IoCs

    Looks up country code configured in the registry, likely geofence.

  • Executes dropped EXE 4 IoCs
  • Reads user/profile data of web browsers 3 TTPs

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

  • Adds Run key to start application 2 TTPs 1 IoCs
  • Checks installed software on the system 1 TTPs

    Looks up Uninstall key entries in the registry to enumerate software on the system.

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

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

  • Program crash 1 IoCs
  • System Location Discovery: System Language Discovery 1 TTPs 5 IoCs

    Attempt gather information about the system language of a victim in order to infer the geographical location of that host.

  • Checks processor information in registry 2 TTPs 2 IoCs

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

  • Enumerates system info in registry 2 TTPs 2 IoCs
  • Modifies Internet Explorer Protected Mode 1 TTPs 1 IoCs
  • Modifies Internet Explorer Protected Mode Banner 1 TTPs 1 IoCs
  • Modifies Internet Explorer settings 1 TTPs 1 IoCs
  • Suspicious use of AdjustPrivilegeToken 1 IoCs
  • Suspicious use of WriteProcessMemory 12 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\681907ceb507d20b365234373ad52ab2_JaffaCakes118.exe
    "C:\Users\Admin\AppData\Local\Temp\681907ceb507d20b365234373ad52ab2_JaffaCakes118.exe"
    1⤵
    • Checks computer location settings
    • Drops file in Program Files directory
    • System Location Discovery: System Language Discovery
    • Suspicious use of WriteProcessMemory
    PID:1228
    • C:\Program Files (x86)\LetsSee!\smmcp.exe
      "C:\Program Files (x86)\LetsSee!\smmcp.exe"
      2⤵
      • Executes dropped EXE
      • Adds Run key to start application
      • System Location Discovery: System Language Discovery
      • Suspicious use of WriteProcessMemory
      PID:1192
      • C:\Users\Admin\AppData\Roaming\899CC219DD052312027626\899CC219DD052312027626.exe
        "C:\Users\Admin\AppData\Roaming\899CC219DD052312027626\899CC219DD052312027626.exe"
        3⤵
        • Executes dropped EXE
        • System Location Discovery: System Language Discovery
        • Modifies Internet Explorer Protected Mode
        • Modifies Internet Explorer Protected Mode Banner
        • Modifies Internet Explorer settings
        PID:2400
    • C:\Program Files (x86)\LetsSee!\YTLoader.exe
      "C:\Program Files (x86)\LetsSee!\YTLoader.exe"
      2⤵
      • Executes dropped EXE
      • System Location Discovery: System Language Discovery
      • Checks processor information in registry
      • Enumerates system info in registry
      • Suspicious use of AdjustPrivilegeToken
      PID:2864
      • C:\Windows\SysWOW64\WerFault.exe
        C:\Windows\SysWOW64\WerFault.exe -u -p 2864 -s 1608
        3⤵
        • Program crash
        PID:1688
    • C:\Program Files (x86)\LetsSee!\smmcphost.exe
      "C:\Program Files (x86)\LetsSee!\smmcphost.exe"
      2⤵
      • Executes dropped EXE
      • System Location Discovery: System Language Discovery
      PID:4864
  • C:\Windows\SysWOW64\WerFault.exe
    C:\Windows\SysWOW64\WerFault.exe -pss -s 408 -p 2864 -ip 2864
    1⤵
      PID:1716

    Network

    MITRE ATT&CK Enterprise v15

    Replay Monitor

    Loading Replay Monitor...

    Downloads

    • C:\Program Files (x86)\LetsSee!\YTLoader.exe

      Filesize

      3.0MB

      MD5

      7299db04947bd497466fd17b64fc5968

      SHA1

      575ee0cb4130ff2aeb7fa759ae7b2e4cdb029262

      SHA256

      f7511d81be92ca13cd9b7462d13c89f89ab4d74003e513426596f671c946db2f

      SHA512

      ea18fe7592b645172f0106cd99c97f8fa23e88e5489afad8583edd64748c9c87bfab61b4b410476d5314440498bd9288d3b6a2de09940f554396f6226ae94ee3

    • C:\Program Files (x86)\LetsSee!\smmcp.exe

      Filesize

      192KB

      MD5

      8dd55711bc64b6a13054041dec140aec

      SHA1

      8dfa1ae80ac3a880ac64922c21e341be10c42f34

      SHA256

      a10d9bd8bf1f78b551397f0c0d89b756fdddaed5bb49518153d80db172dd5e85

      SHA512

      9529c0ed942015654078c8975a9ef2148ef3b0a402cee92922640b264dd1907fb831db12926070a1aa836e4f63a8884e71dfbea93f846e8f8db5817b903ce432

    • C:\Program Files (x86)\LetsSee!\smmcphost.exe

      Filesize

      271KB

      MD5

      37a9f018068609e8f8bea3b54d9cce09

      SHA1

      b16c7c37e921dbff0dc0e5468b7e5ca59b91023f

      SHA256

      1fcf0baf04869193e106fe131bd080c1b1e6fba2c1494ad084fc46b13e4dff69

      SHA512

      aed7d08f5c8eee1f446d234c9da624cabe2bc3f6569c8b9edc4dd6a30a93b970e5dfe709d6b994676028e0ecae50d5ad72cfd3c1967681cc9d0bec60aa263b0e

    • memory/1192-36-0x0000000000810000-0x0000000000811000-memory.dmp

      Filesize

      4KB

    • memory/1192-37-0x0000000000470000-0x0000000000471000-memory.dmp

      Filesize

      4KB

    • memory/1192-43-0x0000000000400000-0x0000000000433000-memory.dmp

      Filesize

      204KB

    • memory/1228-86-0x0000000000400000-0x0000000000433000-memory.dmp

      Filesize

      204KB

    • memory/2400-45-0x0000000000990000-0x0000000000991000-memory.dmp

      Filesize

      4KB

    • memory/2400-87-0x0000000000400000-0x0000000000433000-memory.dmp

      Filesize

      204KB

    • memory/2864-72-0x0000000005850000-0x0000000005858000-memory.dmp

      Filesize

      32KB

    • memory/2864-70-0x0000000005020000-0x0000000005028000-memory.dmp

      Filesize

      32KB

    • memory/2864-69-0x0000000005010000-0x000000000501A000-memory.dmp

      Filesize

      40KB

    • memory/2864-65-0x0000000005150000-0x00000000055AA000-memory.dmp

      Filesize

      4.4MB

    • memory/2864-71-0x0000000005000000-0x000000000500E000-memory.dmp

      Filesize

      56KB

    • memory/2864-68-0x0000000004FE0000-0x0000000004FEA000-memory.dmp

      Filesize

      40KB

    • memory/2864-67-0x0000000004FD0000-0x0000000004FDA000-memory.dmp

      Filesize

      40KB

    • memory/2864-66-0x0000000004FC0000-0x0000000004FD0000-memory.dmp

      Filesize

      64KB

    • memory/2864-77-0x00000000058B0000-0x00000000058B8000-memory.dmp

      Filesize

      32KB

    • memory/2864-76-0x00000000058A0000-0x00000000058A8000-memory.dmp

      Filesize

      32KB

    • memory/2864-75-0x0000000005890000-0x0000000005898000-memory.dmp

      Filesize

      32KB

    • memory/2864-74-0x0000000005870000-0x0000000005878000-memory.dmp

      Filesize

      32KB

    • memory/2864-73-0x0000000005860000-0x0000000005868000-memory.dmp

      Filesize

      32KB

    • memory/2864-63-0x00000000003E0000-0x00000000006E8000-memory.dmp

      Filesize

      3.0MB

    • memory/2864-64-0x0000000002930000-0x000000000293A000-memory.dmp

      Filesize

      40KB

    • memory/4864-84-0x0000000000400000-0x0000000000447000-memory.dmp

      Filesize

      284KB