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Analysis

  • max time kernel
    63s
  • max time network
    17s
  • platform
    windows7_x64
  • resource
    win7-20240729-en
  • resource tags

    arch:x64arch:x86image:win7-20240729-enlocale:en-usos:windows7-x64system
  • submitted
    25/08/2024, 21:26

General

  • Target

    1a0a33df99b129a04317cda6f9ee8450N.exe

  • Size

    87KB

  • MD5

    1a0a33df99b129a04317cda6f9ee8450

  • SHA1

    6c24864e71f40523418cb273dd2f647686f524f8

  • SHA256

    b32401f4a1ac0bf0a8c81dc6e7ac5a11c2125d2055f2224cafba44df740684fe

  • SHA512

    5473aab64e531ffe53352b8c17fc4dda775f79b3fe900624918a60153727a6111a01b9d10a270149b17f4a3b9399c75fd5c4c85f2f82b956710e879cd3115187

  • SSDEEP

    1536:MexIYG53x/8XNYK5rJx93o8lg/x/G9apbbp3gITPTFO:MeaYG53x/8Xpx9gZ+spbbp3gIrxO

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.

  • Deletes itself 1 IoCs
  • Reads user/profile data of web browsers 2 TTPs

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

  • Enumerates physical storage devices 1 TTPs

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

  • System Network Configuration Discovery: Internet Connection Discovery 1 TTPs 1 IoCs

    Adversaries may check for Internet connectivity on compromised systems.

  • Runs ping.exe 1 TTPs 1 IoCs
  • Suspicious behavior: EnumeratesProcesses 4 IoCs
  • Suspicious use of AdjustPrivilegeToken 41 IoCs
  • Suspicious use of WriteProcessMemory 9 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\1a0a33df99b129a04317cda6f9ee8450N.exe
    "C:\Users\Admin\AppData\Local\Temp\1a0a33df99b129a04317cda6f9ee8450N.exe"
    1⤵
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of WriteProcessMemory
    PID:1096
    • C:\Windows\System32\Wbem\wmic.exe
      "wmic.exe" csproduct get uuid
      2⤵
      • Suspicious use of AdjustPrivilegeToken
      PID:2892
    • C:\Windows\System32\cmd.exe
      "C:\Windows\System32\cmd.exe" /C "C:\Users\Admin\AppData\Local\Temp\tmp9251.tmp.bat"
      2⤵
      • Deletes itself
      • Suspicious use of WriteProcessMemory
      PID:2872
      • C:\Windows\system32\PING.EXE
        ping 127.0.0.1 -n 2
        3⤵
        • System Network Configuration Discovery: Internet Connection Discovery
        • Runs ping.exe
        PID:2700

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

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Downloads

  • C:\Users\Admin\AppData\Local\Temp\tmp9251.tmp.bat

    Filesize

    170B

    MD5

    f8727fa1fc939a0f629a2f78f7aef501

    SHA1

    0abe12adf095b4cbf939aad62138eaf33b0632ed

    SHA256

    3b48fa9e32188f6d72bd2301372ae3640a0a7d2d7c969da92c8e7374d74a45e6

    SHA512

    7d91fbf40c4865f4dcebf14b7cabae331de5917671ff39818871826fcdb509806a9b43750c09176b0c325484fc3656290360306c290f42b23d8d6c0d6d6bc662

  • memory/1096-0-0x000007FEF57C3000-0x000007FEF57C4000-memory.dmp

    Filesize

    4KB

  • memory/1096-1-0x0000000000050000-0x000000000006C000-memory.dmp

    Filesize

    112KB

  • memory/1096-2-0x000007FEF57C0000-0x000007FEF61AC000-memory.dmp

    Filesize

    9.9MB

  • memory/1096-20-0x000007FEF57C0000-0x000007FEF61AC000-memory.dmp

    Filesize

    9.9MB