Analysis

  • max time kernel
    144s
  • max time network
    156s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20240226-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20240226-enlocale:en-usos:windows10-2004-x64system
  • submitted
    26-04-2024 01:13

General

  • Target

    19dc4b0340e432f9cb01a85ed46afe0555b4b58b420a8b1dddd7e71457f7bad4.exe

  • Size

    707KB

  • MD5

    8bdf469efd29dd6a9e72b34fabcfcc03

  • SHA1

    43380db028deebda025558fba5783d381fcf3b93

  • SHA256

    19dc4b0340e432f9cb01a85ed46afe0555b4b58b420a8b1dddd7e71457f7bad4

  • SHA512

    b8527d438bfb3621af3ca86b7f734cff53ce1d969d5e022553ee01ce6d34ed7dd428ac78a25661a8de997932ec0543fa200e07cce4ef613505d885a778a704f0

  • SSDEEP

    12288:Vlv312Z3qVrXhn0hlTdUXe4girNI7kY7m+nePpQiaRFWxB7uWVR+H7aWJZqE:VJ312ZWLJ0Oe4B27kV+exsPe7p+3

Malware Config

Extracted

Family

agenttesla

C2

https://api.telegram.org/bot7102823318:AAHAsxGnWgIMglBwmkDdZmvCKtYHywBY4Bc/

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.

  • Adds Run key to start application 2 TTPs 1 IoCs
  • Looks up external IP address via web service 3 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 19 IoCs
  • Suspicious use of AdjustPrivilegeToken 4 IoCs
  • Suspicious use of SetWindowsHookEx 1 IoCs
  • Suspicious use of WriteProcessMemory 17 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\19dc4b0340e432f9cb01a85ed46afe0555b4b58b420a8b1dddd7e71457f7bad4.exe
    "C:\Users\Admin\AppData\Local\Temp\19dc4b0340e432f9cb01a85ed46afe0555b4b58b420a8b1dddd7e71457f7bad4.exe"
    1⤵
    • Checks computer location settings
    • Suspicious use of SetThreadContext
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of WriteProcessMemory
    PID:3892
    • 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\19dc4b0340e432f9cb01a85ed46afe0555b4b58b420a8b1dddd7e71457f7bad4.exe"
      2⤵
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      PID:4488
    • C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe
      "C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" Add-MpPreference -ExclusionPath "C:\Users\Admin\AppData\Roaming\WDnziAQDqloNHh.exe"
      2⤵
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      PID:3988
    • C:\Windows\SysWOW64\schtasks.exe
      "C:\Windows\System32\schtasks.exe" /Create /TN "Updates\WDnziAQDqloNHh" /XML "C:\Users\Admin\AppData\Local\Temp\tmp771F.tmp"
      2⤵
      • Creates scheduled task(s)
      PID:4868
    • C:\Users\Admin\AppData\Local\Temp\19dc4b0340e432f9cb01a85ed46afe0555b4b58b420a8b1dddd7e71457f7bad4.exe
      "C:\Users\Admin\AppData\Local\Temp\19dc4b0340e432f9cb01a85ed46afe0555b4b58b420a8b1dddd7e71457f7bad4.exe"
      2⤵
      • Adds Run key to start application
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      • Suspicious use of SetWindowsHookEx
      PID:4592
  • 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=3992 --field-trial-handle=2284,i,9807419199535700662,2319175108930815708,262144 --variations-seed-version /prefetch:8
    1⤵
      PID:4100

    Network

    MITRE ATT&CK Enterprise v15

    Replay Monitor

    Loading Replay Monitor...

    Downloads

    • C:\Users\Admin\AppData\Local\Microsoft\CLR_v4.0_32\UsageLogs\19dc4b0340e432f9cb01a85ed46afe0555b4b58b420a8b1dddd7e71457f7bad4.exe.log
      Filesize

      1KB

      MD5

      8ec831f3e3a3f77e4a7b9cd32b48384c

      SHA1

      d83f09fd87c5bd86e045873c231c14836e76a05c

      SHA256

      7667e538030e3f8ce2886e47a01af24cb0ea70528b1e821c5d8832c5076cb982

      SHA512

      26bffa2406b66368bd412bf25869a792631455645992cdcade2dbc13a2e56fb546414a6a9223b94c96c38d89187add6678d4779a88b38b0c9e36be8527b213c3

    • C:\Users\Admin\AppData\Local\Temp\__PSScriptPolicyTest_amsy1qvq.1or.ps1
      Filesize

      60B

      MD5

      d17fe0a3f47be24a6453e9ef58c94641

      SHA1

      6ab83620379fc69f80c0242105ddffd7d98d5d9d

      SHA256

      96ad1146eb96877eab5942ae0736b82d8b5e2039a80d3d6932665c1a4c87dcf7

      SHA512

      5b592e58f26c264604f98f6aa12860758ce606d1c63220736cf0c779e4e18e3cec8706930a16c38b20161754d1017d1657d35258e58ca22b18f5b232880dec82

    • C:\Users\Admin\AppData\Local\Temp\cashout\cashout.exe
      Filesize

      707KB

      MD5

      8bdf469efd29dd6a9e72b34fabcfcc03

      SHA1

      43380db028deebda025558fba5783d381fcf3b93

      SHA256

      19dc4b0340e432f9cb01a85ed46afe0555b4b58b420a8b1dddd7e71457f7bad4

      SHA512

      b8527d438bfb3621af3ca86b7f734cff53ce1d969d5e022553ee01ce6d34ed7dd428ac78a25661a8de997932ec0543fa200e07cce4ef613505d885a778a704f0

    • C:\Users\Admin\AppData\Local\Temp\tmp771F.tmp
      Filesize

      1KB

      MD5

      427ccc395ea8821bb367dd9fbe6304b4

      SHA1

      149f233a12b41295f7308eee8bc7afbafd506d63

      SHA256

      081e4bf59a195319a9dcbb0e142fdbc69767da90b6377bde2ec9ff06a834230b

      SHA512

      06262717f2bc83cf23fcd65ec09e6db9a46af733a38579193ea4b5516f95d3aadefa10e5c0d55d9d92713ae7c73a0c655d60b81425b15cf07954c28832755d57

    • memory/3892-4-0x0000000005510000-0x0000000005520000-memory.dmp
      Filesize

      64KB

    • memory/3892-5-0x0000000005230000-0x000000000523A000-memory.dmp
      Filesize

      40KB

    • memory/3892-6-0x00000000054B0000-0x00000000054D0000-memory.dmp
      Filesize

      128KB

    • memory/3892-7-0x00000000054E0000-0x00000000054F4000-memory.dmp
      Filesize

      80KB

    • memory/3892-8-0x0000000004C10000-0x0000000004C98000-memory.dmp
      Filesize

      544KB

    • memory/3892-9-0x000000000C260000-0x000000000C2FC000-memory.dmp
      Filesize

      624KB

    • memory/3892-10-0x0000000074A40000-0x00000000751F0000-memory.dmp
      Filesize

      7.7MB

    • memory/3892-11-0x0000000005510000-0x0000000005520000-memory.dmp
      Filesize

      64KB

    • memory/3892-3-0x00000000052A0000-0x0000000005332000-memory.dmp
      Filesize

      584KB

    • memory/3892-32-0x0000000074A40000-0x00000000751F0000-memory.dmp
      Filesize

      7.7MB

    • memory/3892-0-0x0000000074A40000-0x00000000751F0000-memory.dmp
      Filesize

      7.7MB

    • memory/3892-2-0x00000000057B0000-0x0000000005D54000-memory.dmp
      Filesize

      5.6MB

    • memory/3892-1-0x0000000000770000-0x0000000000826000-memory.dmp
      Filesize

      728KB

    • memory/3988-86-0x0000000007360000-0x000000000736A000-memory.dmp
      Filesize

      40KB

    • memory/3988-22-0x0000000004C00000-0x0000000004C10000-memory.dmp
      Filesize

      64KB

    • memory/3988-23-0x0000000004C00000-0x0000000004C10000-memory.dmp
      Filesize

      64KB

    • memory/3988-21-0x0000000074A40000-0x00000000751F0000-memory.dmp
      Filesize

      7.7MB

    • memory/3988-85-0x0000000007300000-0x000000000731A000-memory.dmp
      Filesize

      104KB

    • memory/3988-26-0x0000000004E60000-0x0000000004E82000-memory.dmp
      Filesize

      136KB

    • memory/3988-55-0x0000000004C00000-0x0000000004C10000-memory.dmp
      Filesize

      64KB

    • memory/3988-83-0x0000000007150000-0x00000000071F3000-memory.dmp
      Filesize

      652KB

    • memory/3988-60-0x0000000070790000-0x00000000707DC000-memory.dmp
      Filesize

      304KB

    • memory/3988-62-0x000000007F5E0000-0x000000007F5F0000-memory.dmp
      Filesize

      64KB

    • memory/3988-91-0x0000000007520000-0x000000000752E000-memory.dmp
      Filesize

      56KB

    • memory/3988-58-0x0000000007110000-0x0000000007142000-memory.dmp
      Filesize

      200KB

    • memory/3988-98-0x0000000074A40000-0x00000000751F0000-memory.dmp
      Filesize

      7.7MB

    • memory/3988-52-0x0000000005970000-0x0000000005CC4000-memory.dmp
      Filesize

      3.3MB

    • memory/3988-53-0x0000000005F40000-0x0000000005F5E000-memory.dmp
      Filesize

      120KB

    • memory/3988-54-0x0000000005F70000-0x0000000005FBC000-memory.dmp
      Filesize

      304KB

    • memory/4488-15-0x0000000002B70000-0x0000000002BA6000-memory.dmp
      Filesize

      216KB

    • memory/4488-20-0x0000000005640000-0x0000000005C68000-memory.dmp
      Filesize

      6.2MB

    • memory/4488-99-0x0000000074A40000-0x00000000751F0000-memory.dmp
      Filesize

      7.7MB

    • memory/4488-12-0x0000000074A40000-0x00000000751F0000-memory.dmp
      Filesize

      7.7MB

    • memory/4488-29-0x0000000005D20000-0x0000000005D86000-memory.dmp
      Filesize

      408KB

    • memory/4488-73-0x0000000006A50000-0x0000000006A6E000-memory.dmp
      Filesize

      120KB

    • memory/4488-30-0x0000000005E40000-0x0000000005EA6000-memory.dmp
      Filesize

      408KB

    • memory/4488-63-0x000000007F0C0000-0x000000007F0D0000-memory.dmp
      Filesize

      64KB

    • memory/4488-61-0x0000000070790000-0x00000000707DC000-memory.dmp
      Filesize

      304KB

    • memory/4488-57-0x0000000006A70000-0x0000000006AA2000-memory.dmp
      Filesize

      200KB

    • memory/4488-59-0x0000000074A40000-0x00000000751F0000-memory.dmp
      Filesize

      7.7MB

    • memory/4488-94-0x0000000007B00000-0x0000000007B08000-memory.dmp
      Filesize

      32KB

    • memory/4488-84-0x0000000007E70000-0x00000000084EA000-memory.dmp
      Filesize

      6.5MB

    • memory/4488-56-0x0000000002BC0000-0x0000000002BD0000-memory.dmp
      Filesize

      64KB

    • memory/4488-87-0x0000000007A60000-0x0000000007AF6000-memory.dmp
      Filesize

      600KB

    • memory/4488-88-0x00000000079E0000-0x00000000079F1000-memory.dmp
      Filesize

      68KB

    • memory/4488-17-0x0000000002BC0000-0x0000000002BD0000-memory.dmp
      Filesize

      64KB

    • memory/4488-13-0x0000000002BC0000-0x0000000002BD0000-memory.dmp
      Filesize

      64KB

    • memory/4488-92-0x0000000007A20000-0x0000000007A34000-memory.dmp
      Filesize

      80KB

    • memory/4488-93-0x0000000007B20000-0x0000000007B3A000-memory.dmp
      Filesize

      104KB

    • memory/4592-25-0x0000000000400000-0x0000000000444000-memory.dmp
      Filesize

      272KB

    • memory/4592-95-0x0000000006B70000-0x0000000006BC0000-memory.dmp
      Filesize

      320KB

    • memory/4592-31-0x0000000074A40000-0x00000000751F0000-memory.dmp
      Filesize

      7.7MB

    • memory/4592-33-0x00000000053A0000-0x00000000053B0000-memory.dmp
      Filesize

      64KB

    • memory/4592-100-0x0000000074A40000-0x00000000751F0000-memory.dmp
      Filesize

      7.7MB

    • memory/4592-101-0x00000000053A0000-0x00000000053B0000-memory.dmp
      Filesize

      64KB