Analysis

  • max time kernel
    142s
  • max time network
    148s
  • 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 01:42

General

  • Target

    a9c310861b7b0eab4b5f00ad0c69d6adb3526d9e9be7cc46ff392ff76ba9da7f.exe

  • Size

    760KB

  • MD5

    ea273fdf24f6fc9c25d3177e14c9773f

  • SHA1

    67c86b2a39cb119cf400cc46f51fb63b27ebb117

  • SHA256

    a9c310861b7b0eab4b5f00ad0c69d6adb3526d9e9be7cc46ff392ff76ba9da7f

  • SHA512

    01d48e063a803c07c0d722cfbb5f4dea2f925ca5f7fade06c8a33607272b3e9862f4d2d3a892f79306e99c8481d757bbc22b59f902b889f2b071ff5828202579

  • SSDEEP

    12288:q2kqSD3HH3DI+/zJbBvK9m5Y/cDsWWR5x50nlOJX9Jm/29rQfD5jUAkDJ:rkqSjH3DIMVhK9m5wZh5yOPu4rOVjUAW

Malware Config

Extracted

Family

agenttesla

Credentials

Signatures

  • AgentTesla

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

  • 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 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.

  • 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 4 IoCs
  • Suspicious use of AdjustPrivilegeToken 2 IoCs
  • Suspicious use of SetWindowsHookEx 1 IoCs
  • Suspicious use of WriteProcessMemory 14 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\a9c310861b7b0eab4b5f00ad0c69d6adb3526d9e9be7cc46ff392ff76ba9da7f.exe
    "C:\Users\Admin\AppData\Local\Temp\a9c310861b7b0eab4b5f00ad0c69d6adb3526d9e9be7cc46ff392ff76ba9da7f.exe"
    1⤵
    • Checks computer location settings
    • Suspicious use of SetThreadContext
    • Suspicious use of WriteProcessMemory
    PID:4600
    • C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe
      "C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" Add-MpPreference -ExclusionPath "C:\Users\Admin\AppData\Roaming\LiaDuXDlkgp.exe"
      2⤵
      • Command and Scripting Interpreter: PowerShell
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      PID:908
    • C:\Windows\SysWOW64\schtasks.exe
      "C:\Windows\System32\schtasks.exe" /Create /TN "Updates\LiaDuXDlkgp" /XML "C:\Users\Admin\AppData\Local\Temp\tmp2892.tmp"
      2⤵
      • Creates scheduled task(s)
      PID:3416
    • C:\Users\Admin\AppData\Local\Temp\a9c310861b7b0eab4b5f00ad0c69d6adb3526d9e9be7cc46ff392ff76ba9da7f.exe
      "C:\Users\Admin\AppData\Local\Temp\a9c310861b7b0eab4b5f00ad0c69d6adb3526d9e9be7cc46ff392ff76ba9da7f.exe"
      2⤵
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      • Suspicious use of SetWindowsHookEx
      PID:2820
  • 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=4624,i,1999448010053300448,1112699187621658374,262144 --variations-seed-version --mojo-platform-channel-handle=4196 /prefetch:8
    1⤵
      PID:740

    Network

    MITRE ATT&CK Enterprise v15

    Replay Monitor

    Loading Replay Monitor...

    Downloads

    • C:\Users\Admin\AppData\Local\Microsoft\CLR_v4.0_32\UsageLogs\a9c310861b7b0eab4b5f00ad0c69d6adb3526d9e9be7cc46ff392ff76ba9da7f.exe.log

      Filesize

      1KB

      MD5

      8ec831f3e3a3f77e4a7b9cd32b48384c

      SHA1

      d83f09fd87c5bd86e045873c231c14836e76a05c

      SHA256

      7667e538030e3f8ce2886e47a01af24cb0ea70528b1e821c5d8832c5076cb982

      SHA512

      26bffa2406b66368bd412bf25869a792631455645992cdcade2dbc13a2e56fb546414a6a9223b94c96c38d89187add6678d4779a88b38b0c9e36be8527b213c3

    • C:\Users\Admin\AppData\Local\Temp\__PSScriptPolicyTest_upvnguyq.bni.ps1

      Filesize

      60B

      MD5

      d17fe0a3f47be24a6453e9ef58c94641

      SHA1

      6ab83620379fc69f80c0242105ddffd7d98d5d9d

      SHA256

      96ad1146eb96877eab5942ae0736b82d8b5e2039a80d3d6932665c1a4c87dcf7

      SHA512

      5b592e58f26c264604f98f6aa12860758ce606d1c63220736cf0c779e4e18e3cec8706930a16c38b20161754d1017d1657d35258e58ca22b18f5b232880dec82

    • C:\Users\Admin\AppData\Local\Temp\tmp2892.tmp

      Filesize

      1KB

      MD5

      c258b1cd598245a7fef8c5371527cbce

      SHA1

      e915f4e58c4d94e61ff7d35e3962891ad1036762

      SHA256

      967dd4a1e98ca1352bcb0ffca9250a055eba6b561dd62be8f6bcc733f868d279

      SHA512

      fa9ded8473ac2700e6877687b4b0608452a0ef8168956584d89750c9d86a51150ca0d9ae6ce67d089b254e5326e2052cbd2e4e240969eb0ff8bb2b2efb39315c

    • memory/908-26-0x0000000074F40000-0x00000000756F0000-memory.dmp

      Filesize

      7.7MB

    • memory/908-53-0x00000000081A0000-0x000000000881A000-memory.dmp

      Filesize

      6.5MB

    • memory/908-65-0x0000000074F40000-0x00000000756F0000-memory.dmp

      Filesize

      7.7MB

    • memory/908-61-0x0000000007E70000-0x0000000007E78000-memory.dmp

      Filesize

      32KB

    • memory/908-60-0x0000000007E90000-0x0000000007EAA000-memory.dmp

      Filesize

      104KB

    • memory/908-58-0x0000000007D80000-0x0000000007D8E000-memory.dmp

      Filesize

      56KB

    • memory/908-57-0x0000000007D50000-0x0000000007D61000-memory.dmp

      Filesize

      68KB

    • memory/908-14-0x0000000002F30000-0x0000000002F66000-memory.dmp

      Filesize

      216KB

    • memory/908-16-0x0000000005A90000-0x00000000060B8000-memory.dmp

      Filesize

      6.2MB

    • memory/908-17-0x0000000074F40000-0x00000000756F0000-memory.dmp

      Filesize

      7.7MB

    • memory/908-56-0x0000000007DD0000-0x0000000007E66000-memory.dmp

      Filesize

      600KB

    • memory/908-20-0x0000000005970000-0x00000000059D6000-memory.dmp

      Filesize

      408KB

    • memory/908-19-0x0000000005900000-0x0000000005966000-memory.dmp

      Filesize

      408KB

    • memory/908-18-0x0000000005760000-0x0000000005782000-memory.dmp

      Filesize

      136KB

    • memory/908-22-0x0000000074F40000-0x00000000756F0000-memory.dmp

      Filesize

      7.7MB

    • memory/908-55-0x0000000007BC0000-0x0000000007BCA000-memory.dmp

      Filesize

      40KB

    • memory/908-54-0x0000000007B50000-0x0000000007B6A000-memory.dmp

      Filesize

      104KB

    • memory/908-25-0x0000000006240000-0x0000000006594000-memory.dmp

      Filesize

      3.3MB

    • memory/908-52-0x0000000007A00000-0x0000000007AA3000-memory.dmp

      Filesize

      652KB

    • memory/908-59-0x0000000007D90000-0x0000000007DA4000-memory.dmp

      Filesize

      80KB

    • memory/908-51-0x0000000006DE0000-0x0000000006DFE000-memory.dmp

      Filesize

      120KB

    • memory/908-41-0x0000000071610000-0x000000007165C000-memory.dmp

      Filesize

      304KB

    • memory/908-38-0x0000000006810000-0x000000000682E000-memory.dmp

      Filesize

      120KB

    • memory/908-39-0x00000000068A0000-0x00000000068EC000-memory.dmp

      Filesize

      304KB

    • memory/908-40-0x0000000006E00000-0x0000000006E32000-memory.dmp

      Filesize

      200KB

    • memory/2820-21-0x0000000000400000-0x0000000000440000-memory.dmp

      Filesize

      256KB

    • memory/2820-66-0x0000000074F40000-0x00000000756F0000-memory.dmp

      Filesize

      7.7MB

    • memory/2820-62-0x0000000006840000-0x0000000006890000-memory.dmp

      Filesize

      320KB

    • memory/2820-36-0x0000000074F40000-0x00000000756F0000-memory.dmp

      Filesize

      7.7MB

    • memory/4600-37-0x0000000074F40000-0x00000000756F0000-memory.dmp

      Filesize

      7.7MB

    • memory/4600-1-0x00000000001A0000-0x0000000000264000-memory.dmp

      Filesize

      784KB

    • memory/4600-2-0x0000000005190000-0x0000000005734000-memory.dmp

      Filesize

      5.6MB

    • memory/4600-4-0x0000000004C70000-0x0000000004C7A000-memory.dmp

      Filesize

      40KB

    • memory/4600-8-0x00000000061F0000-0x0000000006272000-memory.dmp

      Filesize

      520KB

    • memory/4600-3-0x0000000004C80000-0x0000000004D12000-memory.dmp

      Filesize

      584KB

    • memory/4600-7-0x00000000050B0000-0x00000000050C0000-memory.dmp

      Filesize

      64KB

    • memory/4600-6-0x0000000005090000-0x00000000050AA000-memory.dmp

      Filesize

      104KB

    • memory/4600-5-0x0000000074F40000-0x00000000756F0000-memory.dmp

      Filesize

      7.7MB

    • memory/4600-9-0x0000000009CC0000-0x0000000009D5C000-memory.dmp

      Filesize

      624KB

    • memory/4600-0-0x0000000074F4E000-0x0000000074F4F000-memory.dmp

      Filesize

      4KB