Resubmissions

04-10-2024 16:44

241004-t8yv3syhpd 10

27-09-2024 16:54

240927-vepkzsvbre 10

27-09-2024 16:44

240927-t86wpavard 10

04-08-2024 18:04

240804-wnq1vawbpg 10

03-08-2024 17:26

240803-vzvbzazekn 10

03-08-2024 16:14

240803-tpp4tsshqa 10

03-08-2024 15:52

240803-tbarzsseqc 10

31-07-2024 19:40

240731-ydk3yszdpq 10

31-07-2024 10:53

240731-my145atfmf 10

Analysis

  • max time kernel
    93s
  • max time network
    95s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20240802-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20240802-enlocale:en-usos:windows10-2004-x64system
  • submitted
    03-08-2024 15:52

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 25 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:3432
    • 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:3752
      • C:\Windows\SysWOW64\chcp.com
        chcp 65001
        3⤵
        • System Location Discovery: System Language Discovery
        PID:3204
      • 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:5052
      • C:\Windows\SysWOW64\findstr.exe
        findstr All
        3⤵
        • System Location Discovery: System Language Discovery
        PID:3804
    • 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:1320
      • C:\Windows\SysWOW64\chcp.com
        chcp 65001
        3⤵
        • System Location Discovery: System Language Discovery
        PID:4440
      • 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:4000
    • 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:3932
      • C:\Windows\SysWOW64\chcp.com
        chcp 1251
        3⤵
        • System Location Discovery: System Language Discovery
        PID:4416
    • 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:3256
      • C:\Windows\SysWOW64\choice.exe
        choice /C Y /N /D Y /T 0
        3⤵
        • System Location Discovery: System Language Discovery
        PID:1356
    • 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:1068
      • C:\Windows\SysWOW64\choice.exe
        choice /C Y /N /D Y /T 1
        3⤵
        • System Location Discovery: System Language Discovery
        PID:4288

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

Loading Replay Monitor...

Downloads

  • C:\Users\Admin\AppData\Local\Temp\tmpA82D.tmp.dat

    Filesize

    160KB

    MD5

    f310cf1ff562ae14449e0167a3e1fe46

    SHA1

    85c58afa9049467031c6c2b17f5c12ca73bb2788

    SHA256

    e187946249cd390a3c1cf5d4e3b0d8f554f9acdc416bf4e7111fff217bb08855

    SHA512

    1196371de08c964268c44103ccaed530bda6a145df98e0f480d8ee5ad58cb6fb33ca4c9195a52181fe864726dcf52e6a7a466d693af0cda43400a3a7ef125fad

  • C:\Users\Admin\AppData\Local\Temp\tmpA830.tmp.dat

    Filesize

    114KB

    MD5

    2e5b34ca73bac7d39579ae5af5c50268

    SHA1

    910b0865cce750b73e308d0c9314edcdcf4162bb

    SHA256

    79f7541d73ed1744fbc041fdeaf95cae2e2a43cf9d73f6d9476b67a5c2ea9695

    SHA512

    95dcb404558da6bf1b58640440f3e26b13bf53b8fe05932e85b85dea7e629a544f2bfef094fdd23fd2ad0692297aad338e23c9e6e516e5c852d6d7c1c97249fc

  • C:\Users\Admin\AppData\Local\Temp\tmpA842.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

    206377f2d0776bea0588614862297eeb

    SHA1

    990ae3be265b77322667e8af24cb60a77c5ff156

    SHA256

    ad89e425edfa5dbc9ca17129988e9f25f3c9f831df2fc704f86e4c3ed0661731

    SHA512

    49067c5123764431661b54ec58eeedafdae02a4bf215ee42d07e99c0bfd4cc07df1597f7292460b20da536645a7033b98a97ec336ee30bd52a4f69e5d99fb7e6

  • memory/3432-3-0x0000000074E30000-0x00000000755E0000-memory.dmp

    Filesize

    7.7MB

  • memory/3432-0-0x0000000074E3E000-0x0000000074E3F000-memory.dmp

    Filesize

    4KB

  • memory/3432-79-0x0000000074E30000-0x00000000755E0000-memory.dmp

    Filesize

    7.7MB

  • memory/3432-83-0x0000000005C50000-0x0000000005CE2000-memory.dmp

    Filesize

    584KB

  • memory/3432-84-0x00000000062A0000-0x0000000006844000-memory.dmp

    Filesize

    5.6MB

  • memory/3432-2-0x0000000004E70000-0x0000000004ED6000-memory.dmp

    Filesize

    408KB

  • memory/3432-171-0x0000000006260000-0x0000000006290000-memory.dmp

    Filesize

    192KB

  • memory/3432-1-0x0000000000460000-0x00000000004AC000-memory.dmp

    Filesize

    304KB

  • memory/3432-246-0x0000000074E30000-0x00000000755E0000-memory.dmp

    Filesize

    7.7MB