Analysis

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

    arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-x64system
  • submitted
    06-12-2024 00:59

General

  • Target

    ca408f5d31588de6bb9bb76d8394025d_JaffaCakes118.exe

  • Size

    479KB

  • MD5

    ca408f5d31588de6bb9bb76d8394025d

  • SHA1

    6d7d4f847f159ad471e641eef00880cc222a3ac5

  • SHA256

    beb4e718a61260ddfb99047fcfece07ff5a8d5712dea9740b34b57f87e4f63cc

  • SHA512

    5267d4f64b89ccd8bb069a2d91649bf4793399342477fbf57515f5a2cbba6094e823d2f080f16ca13b91865a12159e3f74f76f16ecfd828c42f8198ccbc16a84

  • SSDEEP

    12288:l0Y9hZ0xfz1l/ux+XtnEQtHfvL9N9+I112b73:P2tzP/uxanJHL112bL

Malware Config

Signatures

  • StormKitty

    StormKitty is an open source info stealer written in C#.

  • StormKitty payload 3 IoCs
  • Stormkitty family
  • Executes dropped EXE 2 IoCs
  • Legitimate hosting services abused for malware hosting/C2 1 TTPs 2 IoCs
  • Looks up external IP address via web service 1 IoCs

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

  • 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 2 IoCs

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

  • Suspicious behavior: EnumeratesProcesses 1 IoCs
  • Suspicious use of AdjustPrivilegeToken 1 IoCs
  • Suspicious use of WriteProcessMemory 5 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\ca408f5d31588de6bb9bb76d8394025d_JaffaCakes118.exe
    "C:\Users\Admin\AppData\Local\Temp\ca408f5d31588de6bb9bb76d8394025d_JaffaCakes118.exe"
    1⤵
    • System Location Discovery: System Language Discovery
    • Suspicious use of WriteProcessMemory
    PID:1356
    • C:\Users\Admin\AppData\Roaming\hsscp.exe
      C:\Users\Admin\AppData\Roaming\hsscp.exe
      2⤵
      • Executes dropped EXE
      • System Location Discovery: System Language Discovery
      PID:3708
      • C:\Windows\SysWOW64\WerFault.exe
        C:\Windows\SysWOW64\WerFault.exe -u -p 3708 -s 764
        3⤵
        • Program crash
        PID:1360
    • C:\Users\Admin\AppData\Roaming\Polo.exe
      C:\Users\Admin\AppData\Roaming\Polo.exe
      2⤵
      • Executes dropped EXE
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      PID:1732
  • C:\Windows\SysWOW64\WerFault.exe
    C:\Windows\SysWOW64\WerFault.exe -pss -s 408 -p 3708 -ip 3708
    1⤵
      PID:2916

    Network

    MITRE ATT&CK Enterprise v15

    Replay Monitor

    Loading Replay Monitor...

    Downloads

    • C:\Users\Admin\AppData\Roaming\Polo.exe

      Filesize

      309KB

      MD5

      4813614a3144b6be136f35ac592bda06

      SHA1

      1bbe7a993fdf7daf2497785beb10e95c8f9c2cc1

      SHA256

      85e65021df1039c606f9a1b71581a2c829a2617a05e5366033ac92d5597b1ee9

      SHA512

      859259889c07c03b525b97c239f6db2370a485d8b2e8f244e457d5a77c9ace9fe2ba7831b0106b04bd34eb6b9c5c2ea47e365445461a1bf47ae1d6d2699f3b9e

    • C:\Users\Admin\AppData\Roaming\hsscp.exe

      Filesize

      380KB

      MD5

      b88a964682e3c51a958b0b4e1c344404

      SHA1

      be5b6d51a7ce314fbcf56376968b8c0c3ba0965f

      SHA256

      8fad80310d1dce2cda4b9fea04cd75aeec42b0164a9ba5632adb1f0bd729b41d

      SHA512

      b3df0b55dc48f8f87f4662313174657c1084887e46d387a8891310039d03cffcbc75283eebca8460d8259b4398bd58d8dba36bec820c31c1a4a7e8726381c0b1

    • memory/1732-8-0x00007FFB42953000-0x00007FFB42955000-memory.dmp

      Filesize

      8KB

    • memory/1732-9-0x0000000000950000-0x00000000009A0000-memory.dmp

      Filesize

      320KB

    • memory/1732-12-0x0000000002F90000-0x0000000003004000-memory.dmp

      Filesize

      464KB

    • memory/1732-13-0x0000000001350000-0x0000000001356000-memory.dmp

      Filesize

      24KB

    • memory/1732-14-0x00000000013A0000-0x00000000013B0000-memory.dmp

      Filesize

      64KB

    • memory/1732-20-0x00007FFB42953000-0x00007FFB42955000-memory.dmp

      Filesize

      8KB

    • memory/1732-22-0x00000000013A0000-0x00000000013B0000-memory.dmp

      Filesize

      64KB

    • memory/3708-10-0x0000000073DFE000-0x0000000073DFF000-memory.dmp

      Filesize

      4KB

    • memory/3708-11-0x00000000003B0000-0x0000000000414000-memory.dmp

      Filesize

      400KB