Analysis

  • max time kernel
    120s
  • max time network
    119s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20240611-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20240611-enlocale:en-usos:windows10-2004-x64system
  • submitted
    12-06-2024 01:42

General

  • Target

    f47a77d7238fe78b69a9052c64eb5877509e3b38e647b73a297a129bdefe7e5a.exe

  • Size

    753KB

  • MD5

    41ec13547c155db2bfcb4035368f2ddc

  • SHA1

    bf1dd45f554c246225104c2f7874cdb7cab9f91f

  • SHA256

    f47a77d7238fe78b69a9052c64eb5877509e3b38e647b73a297a129bdefe7e5a

  • SHA512

    a0713ba4c5aab008f86c0d3947b6684e711609bdb06601c65ab142a7d60b05933dbfeed906a34a3045ddff646ef22b5e9c95168dd2aef0e30b610ac520c3c6f7

  • SSDEEP

    12288:i+B2K2IU98H7+zhEpvRFOfjOIqkOc3GwGg7DCvJvzCjB1CC2TACR5leZlNc:aIUg7AGOKI7Wj6DCtCLCCMA+erC

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.

  • Adds Run key to start application 2 TTPs 1 IoCs
  • Suspicious use of SetThreadContext 1 IoCs
  • Enumerates physical storage devices 1 TTPs

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

  • Suspicious behavior: EnumeratesProcesses 4 IoCs
  • Suspicious use of AdjustPrivilegeToken 2 IoCs
  • Suspicious use of WriteProcessMemory 11 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\f47a77d7238fe78b69a9052c64eb5877509e3b38e647b73a297a129bdefe7e5a.exe
    "C:\Users\Admin\AppData\Local\Temp\f47a77d7238fe78b69a9052c64eb5877509e3b38e647b73a297a129bdefe7e5a.exe"
    1⤵
    • Checks computer location settings
    • Suspicious use of SetThreadContext
    • Suspicious use of WriteProcessMemory
    PID:4964
    • 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\f47a77d7238fe78b69a9052c64eb5877509e3b38e647b73a297a129bdefe7e5a.exe"
      2⤵
      • Command and Scripting Interpreter: PowerShell
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      PID:5076
    • C:\Users\Admin\AppData\Local\Temp\f47a77d7238fe78b69a9052c64eb5877509e3b38e647b73a297a129bdefe7e5a.exe
      "C:\Users\Admin\AppData\Local\Temp\f47a77d7238fe78b69a9052c64eb5877509e3b38e647b73a297a129bdefe7e5a.exe"
      2⤵
      • Adds Run key to start application
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      PID:4928
  • 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 --field-trial-handle=3984,i,4778049104057176787,6631751660692402210,262144 --variations-seed-version --mojo-platform-channel-handle=4288 /prefetch:8
    1⤵
      PID:3736

    Network

    MITRE ATT&CK Enterprise v15

    Replay Monitor

    Loading Replay Monitor...

    Downloads

    • C:\Users\Admin\AppData\Local\Microsoft\CLR_v4.0_32\UsageLogs\f47a77d7238fe78b69a9052c64eb5877509e3b38e647b73a297a129bdefe7e5a.exe.log

      Filesize

      1KB

      MD5

      8ec831f3e3a3f77e4a7b9cd32b48384c

      SHA1

      d83f09fd87c5bd86e045873c231c14836e76a05c

      SHA256

      7667e538030e3f8ce2886e47a01af24cb0ea70528b1e821c5d8832c5076cb982

      SHA512

      26bffa2406b66368bd412bf25869a792631455645992cdcade2dbc13a2e56fb546414a6a9223b94c96c38d89187add6678d4779a88b38b0c9e36be8527b213c3

    • C:\Users\Admin\AppData\Local\Temp\__PSScriptPolicyTest_ejdrmant.q43.ps1

      Filesize

      60B

      MD5

      d17fe0a3f47be24a6453e9ef58c94641

      SHA1

      6ab83620379fc69f80c0242105ddffd7d98d5d9d

      SHA256

      96ad1146eb96877eab5942ae0736b82d8b5e2039a80d3d6932665c1a4c87dcf7

      SHA512

      5b592e58f26c264604f98f6aa12860758ce606d1c63220736cf0c779e4e18e3cec8706930a16c38b20161754d1017d1657d35258e58ca22b18f5b232880dec82

    • memory/4928-10-0x0000000000400000-0x0000000000442000-memory.dmp

      Filesize

      264KB

    • memory/4928-61-0x0000000005F90000-0x0000000005FE0000-memory.dmp

      Filesize

      320KB

    • memory/4928-17-0x0000000074600000-0x0000000074DB0000-memory.dmp

      Filesize

      7.7MB

    • memory/4928-62-0x0000000074600000-0x0000000074DB0000-memory.dmp

      Filesize

      7.7MB

    • memory/4928-15-0x00000000050A0000-0x0000000005106000-memory.dmp

      Filesize

      408KB

    • memory/4928-14-0x0000000074600000-0x0000000074DB0000-memory.dmp

      Filesize

      7.7MB

    • memory/4964-8-0x000000000A1B0000-0x000000000A234000-memory.dmp

      Filesize

      528KB

    • memory/4964-9-0x0000000008C20000-0x0000000008CBC000-memory.dmp

      Filesize

      624KB

    • memory/4964-0-0x000000007460E000-0x000000007460F000-memory.dmp

      Filesize

      4KB

    • memory/4964-7-0x0000000002560000-0x0000000002570000-memory.dmp

      Filesize

      64KB

    • memory/4964-13-0x0000000074600000-0x0000000074DB0000-memory.dmp

      Filesize

      7.7MB

    • memory/4964-6-0x0000000007770000-0x0000000007792000-memory.dmp

      Filesize

      136KB

    • memory/4964-5-0x0000000074600000-0x0000000074DB0000-memory.dmp

      Filesize

      7.7MB

    • memory/4964-4-0x0000000004D20000-0x0000000004D2A000-memory.dmp

      Filesize

      40KB

    • memory/4964-3-0x0000000004B60000-0x0000000004BF2000-memory.dmp

      Filesize

      584KB

    • memory/4964-2-0x0000000005020000-0x00000000055C4000-memory.dmp

      Filesize

      5.6MB

    • memory/4964-1-0x00000000000B0000-0x0000000000172000-memory.dmp

      Filesize

      776KB

    • memory/5076-21-0x00000000059D0000-0x0000000005A36000-memory.dmp

      Filesize

      408KB

    • memory/5076-36-0x00000000066C0000-0x00000000066F2000-memory.dmp

      Filesize

      200KB

    • memory/5076-20-0x0000000005270000-0x0000000005292000-memory.dmp

      Filesize

      136KB

    • memory/5076-27-0x0000000074600000-0x0000000074DB0000-memory.dmp

      Filesize

      7.7MB

    • memory/5076-32-0x0000000005B20000-0x0000000005E74000-memory.dmp

      Filesize

      3.3MB

    • memory/5076-33-0x0000000074600000-0x0000000074DB0000-memory.dmp

      Filesize

      7.7MB

    • memory/5076-34-0x0000000006100000-0x000000000611E000-memory.dmp

      Filesize

      120KB

    • memory/5076-35-0x00000000061B0000-0x00000000061FC000-memory.dmp

      Filesize

      304KB

    • memory/5076-47-0x0000000006740000-0x000000000675E000-memory.dmp

      Filesize

      120KB

    • memory/5076-48-0x0000000007310000-0x00000000073B3000-memory.dmp

      Filesize

      652KB

    • memory/5076-37-0x0000000070260000-0x00000000702AC000-memory.dmp

      Filesize

      304KB

    • memory/5076-18-0x00000000053A0000-0x00000000059C8000-memory.dmp

      Filesize

      6.2MB

    • memory/5076-50-0x0000000007450000-0x000000000746A000-memory.dmp

      Filesize

      104KB

    • memory/5076-49-0x0000000007A90000-0x000000000810A000-memory.dmp

      Filesize

      6.5MB

    • memory/5076-51-0x00000000074C0000-0x00000000074CA000-memory.dmp

      Filesize

      40KB

    • memory/5076-53-0x00000000076D0000-0x0000000007766000-memory.dmp

      Filesize

      600KB

    • memory/5076-54-0x0000000007650000-0x0000000007661000-memory.dmp

      Filesize

      68KB

    • memory/5076-55-0x0000000007680000-0x000000000768E000-memory.dmp

      Filesize

      56KB

    • memory/5076-57-0x0000000007790000-0x00000000077AA000-memory.dmp

      Filesize

      104KB

    • memory/5076-56-0x0000000007690000-0x00000000076A4000-memory.dmp

      Filesize

      80KB

    • memory/5076-58-0x0000000007770000-0x0000000007778000-memory.dmp

      Filesize

      32KB

    • memory/5076-60-0x0000000074600000-0x0000000074DB0000-memory.dmp

      Filesize

      7.7MB

    • memory/5076-19-0x0000000074600000-0x0000000074DB0000-memory.dmp

      Filesize

      7.7MB

    • memory/5076-16-0x0000000002800000-0x0000000002836000-memory.dmp

      Filesize

      216KB