Analysis

  • max time kernel
    142s
  • max time network
    146s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20240226-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20240226-enlocale:en-usos:windows10-2004-x64system
  • submitted
    30/06/2024, 05:09

General

  • Target
    63c4e17fa9b6d87a9f4b68b854cae50e95f8de2a86929fecb8f34af0d15798e7.exe
  • Size 808KB
  • Sample240630-fs4vhatgka
  • SHA256 63c4e17fa9b6d87a9f4b68b854cae50e95f8de2a86929fecb8f34af0d15798e7
  • MD5 SHA1 SHA512 SSDEEP
Score
10/10

Malware Config

Signatures

  • StormKitty

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

  • StormKitty payload 1 IoCs
  • Checks computer location settings 2 TTPs 1 IoCs

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

  • Loads dropped DLL 2 IoCs
  • Legitimate hosting services abused for malware hosting/C2 1 TTPs 2 IoCs
  • Suspicious use of SetThreadContext 1 IoCs
  • Enumerates physical storage devices 1 TTPs

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

  • Delays execution with timeout.exe 1 IoCs
  • Kills process with taskkill 1 IoCs
  • Suspicious behavior: EnumeratesProcesses 2 IoCs
  • Suspicious use of AdjustPrivilegeToken 5 IoCs
  • Suspicious use of WriteProcessMemory 20 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\63c4e17fa9b6d87a9f4b68b854cae50e95f8de2a86929fecb8f34af0d15798e7.exe
    "C:\Users\Admin\AppData\Local\Temp\63c4e17fa9b6d87a9f4b68b854cae50e95f8de2a86929fecb8f34af0d15798e7.exe"
    1⤵
    • Loads dropped DLL
    • Suspicious use of SetThreadContext
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of WriteProcessMemory
    PID:3540
    • C:\Users\Admin\AppData\Local\Temp\63c4e17fa9b6d87a9f4b68b854cae50e95f8de2a86929fecb8f34af0d15798e7.exe
      "C:\Users\Admin\AppData\Local\Temp\63c4e17fa9b6d87a9f4b68b854cae50e95f8de2a86929fecb8f34af0d15798e7.exe"
      2⤵
      • Checks computer location settings
      • Suspicious use of AdjustPrivilegeToken
      • Suspicious use of WriteProcessMemory
      PID:3664
      • C:\Windows\SysWOW64\cmd.exe
        "C:\Windows\System32\cmd.exe" /C C:\Users\Admin\AppData\Local\Temp\tmp4CAF.tmp.bat
        3⤵
        • Suspicious use of WriteProcessMemory
        PID:3544
        • C:\Windows\SysWOW64\chcp.com
          chcp 65001
          4⤵
            PID:696
          • C:\Windows\SysWOW64\taskkill.exe
            TaskKill /F /IM 3664
            4⤵
            • Kills process with taskkill
            • Suspicious use of AdjustPrivilegeToken
            PID:1156
          • C:\Windows\SysWOW64\timeout.exe
            Timeout /T 2 /Nobreak
            4⤵
            • Delays execution with timeout.exe
            PID:4412
    • C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
      "C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=utility --utility-sub-type=asset_store.mojom.AssetStoreService --lang=en-US --service-sandbox-type=asset_store_service --no-appcompat-clear --mojo-platform-channel-handle=1408 --field-trial-handle=2280,i,4114443225282860369,4764091921472631035,262144 --variations-seed-version /prefetch:8
      1⤵
        PID:4000

      Network

            MITRE ATT&CK Enterprise v15

            Replay Monitor

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            Downloads

            AgileDotNetRT.dll

            • Path C:\Users\Admin\AppData\Local\Temp\e34dd831-6d57-4d92-81ec-c008864dca6e\AgileDotNetRT.dll
            • Size 94KB
            • SHA256 fb9646cb956945bdc503e69645f6b5316d3826b780d3c36738d6b944e884d15b
            • MD5 SHA1 SHA512 SSDEEP

            tmp4CAF.tmp.bat

            • Path C:\Users\Admin\AppData\Local\Temp\tmp4CAF.tmp.bat
            • Size 293B
            • SHA256 59b64f4a2463f16a042c9165c3584b91ee2e35e6ec9dec9133246ba40fde759c
            • MD5 SHA1 SHA512

            memory/3540-0-0x0000000074ABE000-0x0000000074ABF000-memory.dmp

            memory/3540-1-0x00000000001B0000-0x000000000027E000-memory.dmp

            memory/3540-2-0x0000000074AB0000-0x0000000075260000-memory.dmp

            memory/3540-3-0x0000000004B80000-0x0000000004BB8000-memory.dmp

            memory/3540-73-0x0000000004B80000-0x0000000004BB2000-memory.dmp

            memory/3540-71-0x0000000004B80000-0x0000000004BB2000-memory.dmp

            memory/3540-55-0x0000000004B80000-0x0000000004BB2000-memory.dmp

            memory/3540-39-0x0000000004B80000-0x0000000004BB2000-memory.dmp

            memory/3540-31-0x0000000004B80000-0x0000000004BB2000-memory.dmp

            memory/3540-11-0x0000000073540000-0x00000000735C9000-memory.dmp

            memory/3540-69-0x0000000004B80000-0x0000000004BB2000-memory.dmp

            memory/3540-67-0x0000000004B80000-0x0000000004BB2000-memory.dmp

            memory/3540-66-0x0000000004B80000-0x0000000004BB2000-memory.dmp

            memory/3540-63-0x0000000004B80000-0x0000000004BB2000-memory.dmp

            memory/3540-61-0x0000000004B80000-0x0000000004BB2000-memory.dmp

            memory/3540-59-0x0000000004B80000-0x0000000004BB2000-memory.dmp

            memory/3540-57-0x0000000004B80000-0x0000000004BB2000-memory.dmp

            memory/3540-53-0x0000000004B80000-0x0000000004BB2000-memory.dmp

            memory/3540-51-0x0000000004B80000-0x0000000004BB2000-memory.dmp

            memory/3540-50-0x0000000004B80000-0x0000000004BB2000-memory.dmp

            memory/3540-47-0x0000000004B80000-0x0000000004BB2000-memory.dmp

            memory/3540-45-0x0000000004B80000-0x0000000004BB2000-memory.dmp

            memory/3540-43-0x0000000004B80000-0x0000000004BB2000-memory.dmp

            memory/3540-41-0x0000000004B80000-0x0000000004BB2000-memory.dmp

            memory/3540-37-0x0000000004B80000-0x0000000004BB2000-memory.dmp

            memory/3540-35-0x0000000004B80000-0x0000000004BB2000-memory.dmp

            memory/3540-33-0x0000000004B80000-0x0000000004BB2000-memory.dmp

            memory/3540-29-0x0000000004B80000-0x0000000004BB2000-memory.dmp

            memory/3540-27-0x0000000004B80000-0x0000000004BB2000-memory.dmp

            memory/3540-25-0x0000000004B80000-0x0000000004BB2000-memory.dmp

            memory/3540-23-0x0000000004B80000-0x0000000004BB2000-memory.dmp

            memory/3540-21-0x0000000004B80000-0x0000000004BB2000-memory.dmp

            memory/3540-19-0x0000000004B80000-0x0000000004BB2000-memory.dmp

            memory/3540-17-0x0000000004B80000-0x0000000004BB2000-memory.dmp

            memory/3540-15-0x0000000004B80000-0x0000000004BB2000-memory.dmp

            memory/3540-13-0x0000000004B80000-0x0000000004BB2000-memory.dmp

            memory/3540-12-0x0000000004B80000-0x0000000004BB2000-memory.dmp

            memory/3540-194-0x0000000074ABE000-0x0000000074ABF000-memory.dmp

            memory/3540-195-0x0000000074AB0000-0x0000000075260000-memory.dmp

            memory/3540-196-0x0000000005C20000-0x00000000061C4000-memory.dmp

            memory/3540-197-0x0000000005710000-0x00000000057A2000-memory.dmp

            memory/3540-198-0x0000000074AB0000-0x0000000075260000-memory.dmp

            memory/3540-199-0x0000000074AB0000-0x0000000075260000-memory.dmp

            memory/3540-200-0x00000000056E0000-0x00000000056FC000-memory.dmp

            memory/3540-260-0x0000000074AB0000-0x0000000075260000-memory.dmp

            memory/3664-259-0x0000000074AB0000-0x0000000075260000-memory.dmp

            memory/3664-258-0x0000000000400000-0x0000000000430000-memory.dmp

            memory/3664-261-0x0000000074AB0000-0x0000000075260000-memory.dmp

            memory/3664-262-0x00000000034A0000-0x0000000003506000-memory.dmp

            memory/3664-263-0x0000000074AB0000-0x0000000075260000-memory.dmp

            memory/3664-266-0x0000000074AB0000-0x0000000075260000-memory.dmp