Analysis

  • max time kernel
    97s
  • max time network
    101s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20240730-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20240730-enlocale:en-usos:windows10-2004-x64system
  • submitted
    31-07-2024 10:59

General

  • Target

    611cf2be6752c173be1328ea47cc8ea736bc3bda9030da617390b23afa955b47.exe

  • Size

    280KB

  • MD5

    284b061036a1e367e41c00235d1b5e6f

  • SHA1

    f6277c4d7a39427e7c86a3f9040729d6b17aff65

  • SHA256

    611cf2be6752c173be1328ea47cc8ea736bc3bda9030da617390b23afa955b47

  • SHA512

    21733f5d5953a07021536928842bce4be637235b7c1578fa0096c53a546614ecbc172f0e500fddf2611acd2dba94b13152fb1eff75efb0666342183c0f6627c6

  • SSDEEP

    6144:x6DKNllJ4Uc/gqXKq8+RigIWU+Ydm0UAtXbe9bu:sDKNlAUcBaq8+RnWm0UA9b

Malware Config

Signatures

  • StormKitty

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

  • StormKitty payload 1 IoCs
  • Credentials from Password Stores: Credentials from Web Browsers 1 TTPs

    Malicious Access or copy of Web Browser Credential store.

  • Checks computer location settings 2 TTPs 1 IoCs

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

  • Reads user/profile data of web browsers 2 TTPs

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

  • Drops desktop.ini file(s) 7 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.

  • Browser Information Discovery 1 TTPs

    Enumerate browser information.

  • Enumerates physical storage devices 1 TTPs

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

  • Event Triggered Execution: Netsh Helper DLL 1 TTPs 6 IoCs

    Netsh.exe (also referred to as Netshell) is a command-line scripting utility used to interact with the network configuration of a system.

  • System Location Discovery: System Language Discovery 1 TTPs 14 IoCs

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

  • System Network Configuration Discovery: Wi-Fi Discovery 1 TTPs 2 IoCs

    Adversaries may search for information about Wi-Fi networks, such as network names and passwords, on compromised systems.

  • Checks processor information in registry 2 TTPs 2 IoCs

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

  • Suspicious behavior: EnumeratesProcesses 23 IoCs
  • Suspicious use of AdjustPrivilegeToken 1 IoCs
  • Suspicious use of WriteProcessMemory 39 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\611cf2be6752c173be1328ea47cc8ea736bc3bda9030da617390b23afa955b47.exe
    "C:\Users\Admin\AppData\Local\Temp\611cf2be6752c173be1328ea47cc8ea736bc3bda9030da617390b23afa955b47.exe"
    1⤵
    • Checks computer location settings
    • Drops desktop.ini file(s)
    • System Location Discovery: System Language Discovery
    • Checks processor information in registry
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of WriteProcessMemory
    PID:1584
    • C:\Windows\SysWOW64\cmd.exe
      "cmd.exe" /C chcp 65001 && netsh wlan show profile | findstr All
      2⤵
      • System Location Discovery: System Language Discovery
      • System Network Configuration Discovery: Wi-Fi Discovery
      • Suspicious use of WriteProcessMemory
      PID:3004
      • C:\Windows\SysWOW64\chcp.com
        chcp 65001
        3⤵
        • System Location Discovery: System Language Discovery
        PID:2160
      • C:\Windows\SysWOW64\netsh.exe
        netsh wlan show profile
        3⤵
        • Event Triggered Execution: Netsh Helper DLL
        • System Location Discovery: System Language Discovery
        • System Network Configuration Discovery: Wi-Fi Discovery
        PID:2996
      • C:\Windows\SysWOW64\findstr.exe
        findstr All
        3⤵
        • System Location Discovery: System Language Discovery
        PID:3456
    • C:\Windows\SysWOW64\cmd.exe
      "cmd.exe" /C chcp 65001 && netsh wlan show networks mode=bssid
      2⤵
      • System Location Discovery: System Language Discovery
      • Suspicious use of WriteProcessMemory
      PID:3716
      • C:\Windows\SysWOW64\chcp.com
        chcp 65001
        3⤵
        • System Location Discovery: System Language Discovery
        PID:2932
      • C:\Windows\SysWOW64\netsh.exe
        netsh wlan show networks mode=bssid
        3⤵
        • Event Triggered Execution: Netsh Helper DLL
        • System Location Discovery: System Language Discovery
        PID:4052
    • C:\Windows\SysWOW64\cmd.exe
      C:\Windows\system32\cmd.exe /c ""C:\Users\Admin\AppData\Roaming\BatchSelf.bat" "
      2⤵
      • System Location Discovery: System Language Discovery
      • Suspicious use of WriteProcessMemory
      PID:2000
      • C:\Windows\SysWOW64\chcp.com
        chcp 1251
        3⤵
        • System Location Discovery: System Language Discovery
        PID:3448
    • C:\Windows\SysWOW64\cmd.exe
      "C:\Windows\System32\cmd.exe" /C choice /C Y /N /D Y /T 0 &Del 611cf2be6752c173be1328ea47cc8ea736bc3bda9030da617390b23afa955b47.exe
      2⤵
      • System Location Discovery: System Language Discovery
      • Suspicious use of WriteProcessMemory
      PID:2708
      • C:\Windows\SysWOW64\choice.exe
        choice /C Y /N /D Y /T 0
        3⤵
        • System Location Discovery: System Language Discovery
        PID:4044
    • C:\Windows\SysWOW64\cmd.exe
      "C:\Windows\System32\cmd.exe" /C choice /C Y /N /D Y /T 1 &Del C:\Users\Admin\AppData\Local\Temp\611cf2be6752c173be1328ea47cc8ea736bc3bda9030da617390b23afa955b47.exe
      2⤵
      • System Location Discovery: System Language Discovery
      • Suspicious use of WriteProcessMemory
      PID:1988
      • C:\Windows\SysWOW64\choice.exe
        choice /C Y /N /D Y /T 1
        3⤵
        • System Location Discovery: System Language Discovery
        PID:1708

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

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Downloads

  • C:\Users\Admin\AppData\Local\Temp\tmp82B4.tmp.dat

    Filesize

    160KB

    MD5

    f310cf1ff562ae14449e0167a3e1fe46

    SHA1

    85c58afa9049467031c6c2b17f5c12ca73bb2788

    SHA256

    e187946249cd390a3c1cf5d4e3b0d8f554f9acdc416bf4e7111fff217bb08855

    SHA512

    1196371de08c964268c44103ccaed530bda6a145df98e0f480d8ee5ad58cb6fb33ca4c9195a52181fe864726dcf52e6a7a466d693af0cda43400a3a7ef125fad

  • C:\Users\Admin\AppData\Local\Temp\tmp82B5.tmp.dat

    Filesize

    114KB

    MD5

    bdd180111afe2f62531e1ab6ea71edbd

    SHA1

    843f1dc3dcb3e6d2e9f51d21a1593a17b122cf05

    SHA256

    2630351bbdfa5907155a8a7900a8f3d2d4ac01556f99d701eb1198d3c157c1bd

    SHA512

    c965979b896e49e15846c596fdfae9d1038940934d59d6f4843e4e754e994c7fb1fa857f722131c75244f156be071584c2d2e35120c3f748725e3289affb8ddf

  • C:\Users\Admin\AppData\Local\Temp\tmp82B8.tmp.dat

    Filesize

    40KB

    MD5

    a182561a527f929489bf4b8f74f65cd7

    SHA1

    8cd6866594759711ea1836e86a5b7ca64ee8911f

    SHA256

    42aad7886965428a941508b776a666a4450eb658cb90e80fae1e7457fc71f914

    SHA512

    9bc3bf5a82f6f057e873adebd5b7a4c64adef966537ab9c565fe7c4bb3582e2e485ff993d5ab8a6002363231958fabd0933b48811371b8c155eaa74592b66558

  • C:\Users\Admin\AppData\Roaming\BatchSelf.bat

    Filesize

    203B

    MD5

    e05094a14667b08fed8702b98f758cde

    SHA1

    aaee5ab68c283718fab10bc2f729abc4e34545b2

    SHA256

    25d837fb18794858fc5a0ddc1ae536faae69db5f70ffed38ae1227e14e56393b

    SHA512

    1348c9815069c559d12c27e06c1132fb8ee201d8715f787c487e1c0f3f5f9fddef28417da8fd269996851a8d6e41e7ff11a4c3cb9a623003390aa7b8f85d6c28

  • C:\Users\Admin\AppData\Roaming\Logs\Система\Process.txt

    Filesize

    4KB

    MD5

    d3a0caa3680ac2f6f794fd9217931dcf

    SHA1

    d9c91a28a843b3a91125e67a51e4f768d7122de3

    SHA256

    fd7da36a8b16652be44b10eff5bf323769057f946579aba638de6044f8ffc991

    SHA512

    c0cfd4cc7bec1333f0125cb38698aff2358d2b2fab216b5652dc1b87f50a7ab507a8a9507de74754f5dfca2b6a9a07546ffa36b8f40dd306245ab80114f856b2

  • memory/1584-3-0x0000000074620000-0x0000000074DD0000-memory.dmp

    Filesize

    7.7MB

  • memory/1584-0-0x000000007462E000-0x000000007462F000-memory.dmp

    Filesize

    4KB

  • memory/1584-81-0x0000000074620000-0x0000000074DD0000-memory.dmp

    Filesize

    7.7MB

  • memory/1584-84-0x0000000005C60000-0x0000000005CF2000-memory.dmp

    Filesize

    584KB

  • memory/1584-86-0x00000000062B0000-0x0000000006854000-memory.dmp

    Filesize

    5.6MB

  • memory/1584-2-0x0000000004EA0000-0x0000000004F06000-memory.dmp

    Filesize

    408KB

  • memory/1584-171-0x0000000006180000-0x00000000061B0000-memory.dmp

    Filesize

    192KB

  • memory/1584-1-0x0000000000480000-0x00000000004CC000-memory.dmp

    Filesize

    304KB

  • memory/1584-249-0x0000000074620000-0x0000000074DD0000-memory.dmp

    Filesize

    7.7MB