Analysis

  • max time kernel
    147s
  • max time network
    154s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20240226-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20240226-enlocale:en-usos:windows10-2004-x64system
  • submitted
    06/03/2024, 01:27

General

  • Target

    2b89584b96c8a3638355b3589365a810001b5b3e1af0c5ce4e5cb73badf29446.exe

  • Size

    729KB

  • MD5

    a7ce7e6f9b24c511aef1b567246247d7

  • SHA1

    0e8fb84297479ee944a16ddedd8b0d7926a8d136

  • SHA256

    2b89584b96c8a3638355b3589365a810001b5b3e1af0c5ce4e5cb73badf29446

  • SHA512

    845c89321c9a0155d8a05d2d8551b80c56be9c450e81cac973db8ffc81f970db8e210e25ef79049a627ff076b8c261795d513688a5bae124b0ead7646da68e74

  • SSDEEP

    12288:iQ8L02iNNb2s+2MwkMW6nHHrfSSULBNtShbp7XIobz3jYkR:iQ8I1rmXufSSUDchbFIobz3jP

Malware Config

Extracted

Family

agenttesla

Credentials

Signatures

  • AgentTesla

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

  • Checks computer location settings 2 TTPs 1 IoCs

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

  • Reads WinSCP keys stored on the system 2 TTPs

    Tries to access WinSCP stored sessions.

  • Reads data files stored by FTP clients 2 TTPs

    Tries to access configuration files associated with programs like FileZilla.

  • 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.

  • Accesses Microsoft Outlook profiles 1 TTPs 3 IoCs
  • 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 10 IoCs
  • Suspicious use of AdjustPrivilegeToken 4 IoCs
  • Suspicious use of SetWindowsHookEx 1 IoCs
  • Suspicious use of WriteProcessMemory 17 IoCs
  • outlook_office_path 1 IoCs
  • outlook_win_path 1 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\2b89584b96c8a3638355b3589365a810001b5b3e1af0c5ce4e5cb73badf29446.exe
    "C:\Users\Admin\AppData\Local\Temp\2b89584b96c8a3638355b3589365a810001b5b3e1af0c5ce4e5cb73badf29446.exe"
    1⤵
    • Checks computer location settings
    • Suspicious use of SetThreadContext
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of WriteProcessMemory
    PID:1416
    • C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe
      "C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" Add-MpPreference -ExclusionPath "C:\Users\Admin\AppData\Local\Temp\2b89584b96c8a3638355b3589365a810001b5b3e1af0c5ce4e5cb73badf29446.exe"
      2⤵
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      PID:4108
    • C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe
      "C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" Add-MpPreference -ExclusionPath "C:\Users\Admin\AppData\Roaming\LeVfjpYC.exe"
      2⤵
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      PID:4700
    • C:\Windows\SysWOW64\schtasks.exe
      "C:\Windows\System32\schtasks.exe" /Create /TN "Updates\LeVfjpYC" /XML "C:\Users\Admin\AppData\Local\Temp\tmpCD6D.tmp"
      2⤵
      • Creates scheduled task(s)
      PID:3316
    • C:\Users\Admin\AppData\Local\Temp\2b89584b96c8a3638355b3589365a810001b5b3e1af0c5ce4e5cb73badf29446.exe
      "C:\Users\Admin\AppData\Local\Temp\2b89584b96c8a3638355b3589365a810001b5b3e1af0c5ce4e5cb73badf29446.exe"
      2⤵
      • Accesses Microsoft Outlook profiles
      • Suspicious use of AdjustPrivilegeToken
      • Suspicious use of SetWindowsHookEx
      • outlook_office_path
      • outlook_win_path
      PID:4600
  • 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=3280 --field-trial-handle=2356,i,13261194862334667799,7441241219475888176,262144 --variations-seed-version /prefetch:8
    1⤵
      PID:2344

    Network

          MITRE ATT&CK Enterprise v15

          Replay Monitor

          Loading Replay Monitor...

          Downloads

          • C:\Users\Admin\AppData\Local\Temp\__PSScriptPolicyTest_uqqynvin.pgu.ps1

            Filesize

            60B

            MD5

            d17fe0a3f47be24a6453e9ef58c94641

            SHA1

            6ab83620379fc69f80c0242105ddffd7d98d5d9d

            SHA256

            96ad1146eb96877eab5942ae0736b82d8b5e2039a80d3d6932665c1a4c87dcf7

            SHA512

            5b592e58f26c264604f98f6aa12860758ce606d1c63220736cf0c779e4e18e3cec8706930a16c38b20161754d1017d1657d35258e58ca22b18f5b232880dec82

          • C:\Users\Admin\AppData\Local\Temp\tmpCD6D.tmp

            Filesize

            1KB

            MD5

            e7368563e7ac00fe26577038644e16b9

            SHA1

            0c9bb6772cad4a9bce5499c2290ae3bc32043555

            SHA256

            9bf57bcdadc83c8f07b4f362c62f6b6524b80fe0532e475655d83a34ae5e820c

            SHA512

            27a76dcc6d9fca152ce148eef86126df386ce5924c5dec76e7ae4e980fbf0ccb21bf25e19c71b031d172305e3530aa43ab6b5ab257b48d90d5bbd9ee589b61b3

          • memory/1416-8-0x0000000005870000-0x000000000587A000-memory.dmp

            Filesize

            40KB

          • memory/1416-9-0x0000000005960000-0x000000000596E000-memory.dmp

            Filesize

            56KB

          • memory/1416-4-0x00000000056F0000-0x0000000005700000-memory.dmp

            Filesize

            64KB

          • memory/1416-5-0x0000000005610000-0x000000000561A000-memory.dmp

            Filesize

            40KB

          • memory/1416-6-0x00000000752D0000-0x0000000075A80000-memory.dmp

            Filesize

            7.7MB

          • memory/1416-7-0x0000000005840000-0x0000000005854000-memory.dmp

            Filesize

            80KB

          • memory/1416-2-0x0000000005970000-0x0000000005F14000-memory.dmp

            Filesize

            5.6MB

          • memory/1416-3-0x0000000005460000-0x00000000054F2000-memory.dmp

            Filesize

            584KB

          • memory/1416-10-0x0000000008450000-0x00000000084D4000-memory.dmp

            Filesize

            528KB

          • memory/1416-11-0x000000000AC10000-0x000000000ACAC000-memory.dmp

            Filesize

            624KB

          • memory/1416-12-0x00000000056F0000-0x0000000005700000-memory.dmp

            Filesize

            64KB

          • memory/1416-0-0x00000000752D0000-0x0000000075A80000-memory.dmp

            Filesize

            7.7MB

          • memory/1416-1-0x00000000009B0000-0x0000000000A6A000-memory.dmp

            Filesize

            744KB

          • memory/1416-33-0x00000000752D0000-0x0000000075A80000-memory.dmp

            Filesize

            7.7MB

          • memory/4108-85-0x0000000007180000-0x0000000007223000-memory.dmp

            Filesize

            652KB

          • memory/4108-61-0x000000007FB40000-0x000000007FB50000-memory.dmp

            Filesize

            64KB

          • memory/4108-102-0x00000000752D0000-0x0000000075A80000-memory.dmp

            Filesize

            7.7MB

          • memory/4108-97-0x00000000075D0000-0x00000000075EA000-memory.dmp

            Filesize

            104KB

          • memory/4108-88-0x0000000007290000-0x00000000072AA000-memory.dmp

            Filesize

            104KB

          • memory/4108-18-0x00000000049E0000-0x00000000049F0000-memory.dmp

            Filesize

            64KB

          • memory/4108-13-0x00000000752D0000-0x0000000075A80000-memory.dmp

            Filesize

            7.7MB

          • memory/4108-84-0x00000000061B0000-0x00000000061CE000-memory.dmp

            Filesize

            120KB

          • memory/4108-64-0x0000000071000000-0x000000007104C000-memory.dmp

            Filesize

            304KB

          • memory/4108-30-0x0000000005890000-0x00000000058F6000-memory.dmp

            Filesize

            408KB

          • memory/4108-31-0x0000000005900000-0x0000000005966000-memory.dmp

            Filesize

            408KB

          • memory/4108-19-0x0000000005020000-0x0000000005648000-memory.dmp

            Filesize

            6.2MB

          • memory/4108-15-0x0000000004920000-0x0000000004956000-memory.dmp

            Filesize

            216KB

          • memory/4108-14-0x00000000049E0000-0x00000000049F0000-memory.dmp

            Filesize

            64KB

          • memory/4108-59-0x00000000049E0000-0x00000000049F0000-memory.dmp

            Filesize

            64KB

          • memory/4108-57-0x00000000049E0000-0x00000000049F0000-memory.dmp

            Filesize

            64KB

          • memory/4108-54-0x0000000005FB0000-0x0000000005FFC000-memory.dmp

            Filesize

            304KB

          • memory/4108-55-0x00000000752D0000-0x0000000075A80000-memory.dmp

            Filesize

            7.7MB

          • memory/4108-56-0x00000000049E0000-0x00000000049F0000-memory.dmp

            Filesize

            64KB

          • memory/4600-28-0x00000000752D0000-0x0000000075A80000-memory.dmp

            Filesize

            7.7MB

          • memory/4600-94-0x00000000075C0000-0x0000000007782000-memory.dmp

            Filesize

            1.8MB

          • memory/4600-93-0x0000000003180000-0x0000000003190000-memory.dmp

            Filesize

            64KB

          • memory/4600-91-0x00000000073A0000-0x00000000073F0000-memory.dmp

            Filesize

            320KB

          • memory/4600-32-0x0000000003180000-0x0000000003190000-memory.dmp

            Filesize

            64KB

          • memory/4600-87-0x00000000752D0000-0x0000000075A80000-memory.dmp

            Filesize

            7.7MB

          • memory/4600-26-0x0000000000400000-0x0000000000430000-memory.dmp

            Filesize

            192KB

          • memory/4700-63-0x0000000006320000-0x0000000006352000-memory.dmp

            Filesize

            200KB

          • memory/4700-60-0x0000000002460000-0x0000000002470000-memory.dmp

            Filesize

            64KB

          • memory/4700-65-0x0000000071000000-0x000000007104C000-memory.dmp

            Filesize

            304KB

          • memory/4700-53-0x0000000005640000-0x000000000565E000-memory.dmp

            Filesize

            120KB

          • memory/4700-86-0x00000000076B0000-0x0000000007D2A000-memory.dmp

            Filesize

            6.5MB

          • memory/4700-24-0x0000000002460000-0x0000000002470000-memory.dmp

            Filesize

            64KB

          • memory/4700-62-0x0000000002460000-0x0000000002470000-memory.dmp

            Filesize

            64KB

          • memory/4700-89-0x00000000070D0000-0x00000000070DA000-memory.dmp

            Filesize

            40KB

          • memory/4700-90-0x00000000072C0000-0x0000000007356000-memory.dmp

            Filesize

            600KB

          • memory/4700-29-0x00000000055C0000-0x00000000055E2000-memory.dmp

            Filesize

            136KB

          • memory/4700-92-0x0000000007260000-0x0000000007271000-memory.dmp

            Filesize

            68KB

          • memory/4700-52-0x0000000005840000-0x0000000005B94000-memory.dmp

            Filesize

            3.3MB

          • memory/4700-58-0x00000000752D0000-0x0000000075A80000-memory.dmp

            Filesize

            7.7MB

          • memory/4700-95-0x0000000007290000-0x000000000729E000-memory.dmp

            Filesize

            56KB

          • memory/4700-96-0x00000000072A0000-0x00000000072B4000-memory.dmp

            Filesize

            80KB

          • memory/4700-23-0x0000000002460000-0x0000000002470000-memory.dmp

            Filesize

            64KB

          • memory/4700-98-0x0000000007380000-0x0000000007388000-memory.dmp

            Filesize

            32KB

          • memory/4700-22-0x00000000752D0000-0x0000000075A80000-memory.dmp

            Filesize

            7.7MB

          • memory/4700-101-0x00000000752D0000-0x0000000075A80000-memory.dmp

            Filesize

            7.7MB