Analysis

  • max time kernel
    148s
  • max time network
    151s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20240508-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20240508-enlocale:en-usos:windows10-2004-x64system
  • submitted
    12-06-2024 02:30

General

  • Target

    ecb9115de92beb10b3344687dfe5a2147117302e02378f5592649d5761e33305.exe

  • Size

    891KB

  • MD5

    c21a03ba2040ef6de6b522ce779a8399

  • SHA1

    59a91fd925902d7d21829a5a4d57765f69db1369

  • SHA256

    ecb9115de92beb10b3344687dfe5a2147117302e02378f5592649d5761e33305

  • SHA512

    fa92469d362d41e16a19ce615a341c4b8fd07805f5175074cbffc182733537f51f71e972029037bdf782dfdfcb47be33b7d35ca350e777fe3d9c0b1dc9905327

  • SSDEEP

    24576:thFgZKs71DI5AGSHHZsxeosZWve9hDYwwppqO:zFgZKMXGSZsxeosZ6YN/O

Malware Config

Extracted

Family

agenttesla

Credentials

Signatures

  • AgentTesla

    Agent Tesla is a remote access tool (RAT) written in visual basic.

  • Detect packed .NET executables. Mostly AgentTeslaV4. 1 IoCs
  • Detects binaries (Windows and macOS) referencing many web browsers. Observed in information stealers. 1 IoCs
  • Detects binaries and memory artifacts referencing sandbox DLLs typically observed in sandbox evasion 1 IoCs
  • Detects executables referencing Windows vault credential objects. Observed in infostealers 1 IoCs
  • Detects executables referencing many confidential data stores found in browsers, mail clients, cryptocurreny wallets, etc. Observed in information stealers 1 IoCs
  • Detects executables referencing many email and collaboration clients. Observed in information stealers 1 IoCs
  • Detects executables referencing many file transfer clients. Observed in information stealers 1 IoCs
  • Command and Scripting Interpreter: PowerShell 1 TTPs 1 IoCs

    Run Powershell to modify Windows Defender settings to add exclusions for file extensions, paths, and processes.

  • Checks computer location settings 2 TTPs 1 IoCs

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

  • Reads user/profile data of local email clients 2 TTPs

    Email clients store some user data on disk where infostealers will often target it.

  • Reads user/profile data of web browsers 2 TTPs

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

  • 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 SetThreadContext 1 IoCs
  • Enumerates physical storage devices 1 TTPs

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

  • Creates scheduled task(s) 1 TTPs 1 IoCs

    Schtasks is often used by malware for persistence or to perform post-infection execution.

  • Suspicious behavior: EnumeratesProcesses 8 IoCs
  • Suspicious use of AdjustPrivilegeToken 3 IoCs
  • Suspicious use of SetWindowsHookEx 1 IoCs
  • Suspicious use of WriteProcessMemory 20 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\ecb9115de92beb10b3344687dfe5a2147117302e02378f5592649d5761e33305.exe
    "C:\Users\Admin\AppData\Local\Temp\ecb9115de92beb10b3344687dfe5a2147117302e02378f5592649d5761e33305.exe"
    1⤵
    • Checks computer location settings
    • Suspicious use of SetThreadContext
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of WriteProcessMemory
    PID:1676
    • C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe
      "C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" Add-MpPreference -ExclusionPath "C:\Users\Admin\AppData\Roaming\IfNaEnvFOSaGpt.exe"
      2⤵
      • Command and Scripting Interpreter: PowerShell
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      PID:2872
    • C:\Windows\SysWOW64\schtasks.exe
      "C:\Windows\System32\schtasks.exe" /Create /TN "Updates\IfNaEnvFOSaGpt" /XML "C:\Users\Admin\AppData\Local\Temp\tmp1519.tmp"
      2⤵
      • Creates scheduled task(s)
      PID:4888
    • C:\Users\Admin\AppData\Local\Temp\ecb9115de92beb10b3344687dfe5a2147117302e02378f5592649d5761e33305.exe
      "C:\Users\Admin\AppData\Local\Temp\ecb9115de92beb10b3344687dfe5a2147117302e02378f5592649d5761e33305.exe"
      2⤵
        PID:5060
      • C:\Users\Admin\AppData\Local\Temp\ecb9115de92beb10b3344687dfe5a2147117302e02378f5592649d5761e33305.exe
        "C:\Users\Admin\AppData\Local\Temp\ecb9115de92beb10b3344687dfe5a2147117302e02378f5592649d5761e33305.exe"
        2⤵
          PID:3568
        • C:\Users\Admin\AppData\Local\Temp\ecb9115de92beb10b3344687dfe5a2147117302e02378f5592649d5761e33305.exe
          "C:\Users\Admin\AppData\Local\Temp\ecb9115de92beb10b3344687dfe5a2147117302e02378f5592649d5761e33305.exe"
          2⤵
          • Suspicious behavior: EnumeratesProcesses
          • Suspicious use of AdjustPrivilegeToken
          • Suspicious use of SetWindowsHookEx
          PID:1668
      • 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 --field-trial-handle=3792,i,14221647728265121051,6840906015709541562,262144 --variations-seed-version --mojo-platform-channel-handle=4092 /prefetch:8
        1⤵
          PID:5036

        Network

        MITRE ATT&CK Enterprise v15

        Replay Monitor

        Loading Replay Monitor...

        Downloads

        • C:\Users\Admin\AppData\Local\Microsoft\CLR_v4.0_32\UsageLogs\ecb9115de92beb10b3344687dfe5a2147117302e02378f5592649d5761e33305.exe.log

          Filesize

          1KB

          MD5

          8ec831f3e3a3f77e4a7b9cd32b48384c

          SHA1

          d83f09fd87c5bd86e045873c231c14836e76a05c

          SHA256

          7667e538030e3f8ce2886e47a01af24cb0ea70528b1e821c5d8832c5076cb982

          SHA512

          26bffa2406b66368bd412bf25869a792631455645992cdcade2dbc13a2e56fb546414a6a9223b94c96c38d89187add6678d4779a88b38b0c9e36be8527b213c3

        • C:\Users\Admin\AppData\Local\Temp\__PSScriptPolicyTest_pbouqzrt.lwc.ps1

          Filesize

          60B

          MD5

          d17fe0a3f47be24a6453e9ef58c94641

          SHA1

          6ab83620379fc69f80c0242105ddffd7d98d5d9d

          SHA256

          96ad1146eb96877eab5942ae0736b82d8b5e2039a80d3d6932665c1a4c87dcf7

          SHA512

          5b592e58f26c264604f98f6aa12860758ce606d1c63220736cf0c779e4e18e3cec8706930a16c38b20161754d1017d1657d35258e58ca22b18f5b232880dec82

        • C:\Users\Admin\AppData\Local\Temp\tmp1519.tmp

          Filesize

          1KB

          MD5

          88aaff135873053e289d3765c12356f7

          SHA1

          e5683cb528cf22d92e7dbcf21c02782ed788854e

          SHA256

          83d48269d5ca40089b8cfcd441032e5bd345db67afd4d4885cd6dace6c8e0c68

          SHA512

          802dd00bf2a9c582fa3251d36203c31fe9aa05a7fe4a965161f3783e3e7ab538b4c7edd7da735e30b266b94015bd8648246d646beb3f1ed998aeb7f79768f70e

        • memory/1668-27-0x0000000000400000-0x0000000000442000-memory.dmp

          Filesize

          264KB

        • memory/1668-64-0x0000000007150000-0x00000000071A0000-memory.dmp

          Filesize

          320KB

        • memory/1676-5-0x00000000751D0000-0x0000000075980000-memory.dmp

          Filesize

          7.7MB

        • memory/1676-6-0x0000000007D60000-0x0000000007D7A000-memory.dmp

          Filesize

          104KB

        • memory/1676-7-0x00000000060F0000-0x0000000006100000-memory.dmp

          Filesize

          64KB

        • memory/1676-8-0x0000000007D80000-0x0000000007E04000-memory.dmp

          Filesize

          528KB

        • memory/1676-9-0x000000000A510000-0x000000000A5AC000-memory.dmp

          Filesize

          624KB

        • memory/1676-0-0x00000000751DE000-0x00000000751DF000-memory.dmp

          Filesize

          4KB

        • memory/1676-4-0x0000000004FC0000-0x0000000004FCA000-memory.dmp

          Filesize

          40KB

        • memory/1676-3-0x0000000004EB0000-0x0000000004F42000-memory.dmp

          Filesize

          584KB

        • memory/1676-2-0x0000000005330000-0x00000000058D4000-memory.dmp

          Filesize

          5.6MB

        • memory/1676-36-0x00000000751D0000-0x0000000075980000-memory.dmp

          Filesize

          7.7MB

        • memory/1676-1-0x0000000000460000-0x0000000000546000-memory.dmp

          Filesize

          920KB

        • memory/2872-14-0x0000000002E30000-0x0000000002E66000-memory.dmp

          Filesize

          216KB

        • memory/2872-51-0x0000000007940000-0x00000000079E3000-memory.dmp

          Filesize

          652KB

        • memory/2872-35-0x00000000751D0000-0x0000000075980000-memory.dmp

          Filesize

          7.7MB

        • memory/2872-19-0x0000000005930000-0x0000000005996000-memory.dmp

          Filesize

          408KB

        • memory/2872-20-0x0000000005AA0000-0x0000000005B06000-memory.dmp

          Filesize

          408KB

        • memory/2872-17-0x00000000751D0000-0x0000000075980000-memory.dmp

          Filesize

          7.7MB

        • memory/2872-32-0x00000000062F0000-0x0000000006644000-memory.dmp

          Filesize

          3.3MB

        • memory/2872-18-0x0000000005790000-0x00000000057B2000-memory.dmp

          Filesize

          136KB

        • memory/2872-38-0x0000000006790000-0x00000000067DC000-memory.dmp

          Filesize

          304KB

        • memory/2872-37-0x0000000006760000-0x000000000677E000-memory.dmp

          Filesize

          120KB

        • memory/2872-39-0x0000000006D20000-0x0000000006D52000-memory.dmp

          Filesize

          200KB

        • memory/2872-40-0x0000000075A80000-0x0000000075ACC000-memory.dmp

          Filesize

          304KB

        • memory/2872-50-0x0000000007920000-0x000000000793E000-memory.dmp

          Filesize

          120KB

        • memory/2872-21-0x00000000751D0000-0x0000000075980000-memory.dmp

          Filesize

          7.7MB

        • memory/2872-52-0x00000000080C0000-0x000000000873A000-memory.dmp

          Filesize

          6.5MB

        • memory/2872-53-0x0000000007A80000-0x0000000007A9A000-memory.dmp

          Filesize

          104KB

        • memory/2872-54-0x0000000007AF0000-0x0000000007AFA000-memory.dmp

          Filesize

          40KB

        • memory/2872-55-0x0000000007D00000-0x0000000007D96000-memory.dmp

          Filesize

          600KB

        • memory/2872-56-0x0000000007C80000-0x0000000007C91000-memory.dmp

          Filesize

          68KB

        • memory/2872-57-0x0000000007CB0000-0x0000000007CBE000-memory.dmp

          Filesize

          56KB

        • memory/2872-58-0x0000000007CC0000-0x0000000007CD4000-memory.dmp

          Filesize

          80KB

        • memory/2872-59-0x0000000007DC0000-0x0000000007DDA000-memory.dmp

          Filesize

          104KB

        • memory/2872-60-0x0000000007DA0000-0x0000000007DA8000-memory.dmp

          Filesize

          32KB

        • memory/2872-63-0x00000000751D0000-0x0000000075980000-memory.dmp

          Filesize

          7.7MB

        • memory/2872-16-0x0000000005CC0000-0x00000000062E8000-memory.dmp

          Filesize

          6.2MB