Analysis

  • max time kernel
    45s
  • max time network
    50s
  • platform
    windows7_x64
  • resource
    win7-20220901-en
  • resource tags

    arch:x64arch:x86image:win7-20220901-enlocale:en-usos:windows7-x64system
  • submitted
    29-01-2023 17:30

General

  • Target

    0855834733bbaa165146aee24424ed2cafc40bd969e4f8c0cec505515880fb95.exe

  • Size

    1.3MB

  • MD5

    70b7d56e66e7a7662775fa35150acc0b

  • SHA1

    aec637a43cc83588ba8a366f61d388ef53373e6f

  • SHA256

    0855834733bbaa165146aee24424ed2cafc40bd969e4f8c0cec505515880fb95

  • SHA512

    22b043410e2667d9bb275c77a7090249786e2aeb315251c24f436b380ac4e8163bbd5a2cf8a16e74415316f7895d2d37b0f4fb063d5674381f4a72c5745ce0ed

  • SSDEEP

    24576:lzORZwxMhhaxLGBXHOZuZpPMUC/bHKIyCrf2l2PzIVMiWnvglWi1+wxwg8lTpirX:IZYhLYHeW0AIjrY2LQMX40KmgUt12

Malware Config

Signatures

  • StormKitty

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

  • StormKitty payload 2 IoCs
  • Reads user/profile data of web browsers 2 TTPs

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

  • Accesses Microsoft Outlook profiles 1 TTPs 3 IoCs
  • 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.

  • Suspicious use of NtSetInformationThreadHideFromDebugger 2 IoCs
  • Suspicious behavior: EnumeratesProcesses 2 IoCs
  • Suspicious use of AdjustPrivilegeToken 1 IoCs
  • Suspicious use of SetWindowsHookEx 1 IoCs
  • outlook_office_path 1 IoCs
  • outlook_win_path 1 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\0855834733bbaa165146aee24424ed2cafc40bd969e4f8c0cec505515880fb95.exe
    "C:\Users\Admin\AppData\Local\Temp\0855834733bbaa165146aee24424ed2cafc40bd969e4f8c0cec505515880fb95.exe"
    1⤵
    • Accesses Microsoft Outlook profiles
    • Suspicious use of NtSetInformationThreadHideFromDebugger
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of SetWindowsHookEx
    • outlook_office_path
    • outlook_win_path
    PID:1816

Network

MITRE ATT&CK Matrix ATT&CK v6

Credential Access

Credentials in Files

2
T1081

Collection

Data from Local System

2
T1005

Email Collection

1
T1114

Replay Monitor

Loading Replay Monitor...

Downloads

  • memory/1816-54-0x0000000075AC1000-0x0000000075AC3000-memory.dmp
    Filesize

    8KB

  • memory/1816-55-0x00000000000A0000-0x00000000004C0000-memory.dmp
    Filesize

    4.1MB

  • memory/1816-56-0x00000000000A0000-0x00000000004C0000-memory.dmp
    Filesize

    4.1MB

  • memory/1816-57-0x00000000000A0000-0x00000000004C0000-memory.dmp
    Filesize

    4.1MB