Analysis

  • max time kernel
    120s
  • max time network
    124s
  • platform
    windows7_x64
  • resource
    win7-20231023-en
  • resource tags

    arch:x64arch:x86image:win7-20231023-enlocale:en-usos:windows7-x64system
  • submitted
    07-12-2023 15:10

General

  • Target

    43812dd4d2f3e8d95772c7687f2e0957c7c14fab76e77c7dfc75e0792e2f5a9a.exe

  • Size

    611KB

  • MD5

    fd6d672a8de00f7784bece75dfe59c6e

  • SHA1

    03ea256e5347ec179d152ba59b1e63e69090dabe

  • SHA256

    43812dd4d2f3e8d95772c7687f2e0957c7c14fab76e77c7dfc75e0792e2f5a9a

  • SHA512

    d94ac613a398cc49ef73ffc4abe75c0af81a6fc40b1c7e614eb810a946120002f9356f8e2ff0716d358f3768539bf6d538b6dc58214a72807914b0cf58d440ff

  • SSDEEP

    12288:g272CRNsXD6VMiA/TJ0rzPpQD/uIKfSKm79mQ9I3knTdmr0H7J2h:/KDiMiAL/buTKKi919I3knAobJ

Malware Config

Extracted

Family

agenttesla

Credentials

Signatures

  • AgentTesla

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

  • 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 6 IoCs
  • Suspicious use of AdjustPrivilegeToken 4 IoCs
  • Suspicious use of WriteProcessMemory 21 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\43812dd4d2f3e8d95772c7687f2e0957c7c14fab76e77c7dfc75e0792e2f5a9a.exe
    "C:\Users\Admin\AppData\Local\Temp\43812dd4d2f3e8d95772c7687f2e0957c7c14fab76e77c7dfc75e0792e2f5a9a.exe"
    1⤵
    • Suspicious use of SetThreadContext
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of WriteProcessMemory
    PID:2456
    • 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\43812dd4d2f3e8d95772c7687f2e0957c7c14fab76e77c7dfc75e0792e2f5a9a.exe"
      2⤵
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      PID:2680
    • C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe
      "C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" Add-MpPreference -ExclusionPath "C:\Users\Admin\AppData\Roaming\fwZBnhxon.exe"
      2⤵
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      PID:2540
    • C:\Windows\SysWOW64\schtasks.exe
      "C:\Windows\System32\schtasks.exe" /Create /TN "Updates\fwZBnhxon" /XML "C:\Users\Admin\AppData\Local\Temp\tmpC0C0.tmp"
      2⤵
      • Creates scheduled task(s)
      PID:2700
    • C:\Users\Admin\AppData\Local\Temp\43812dd4d2f3e8d95772c7687f2e0957c7c14fab76e77c7dfc75e0792e2f5a9a.exe
      "C:\Users\Admin\AppData\Local\Temp\43812dd4d2f3e8d95772c7687f2e0957c7c14fab76e77c7dfc75e0792e2f5a9a.exe"
      2⤵
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      PID:2580

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

Loading Replay Monitor...

Downloads

  • C:\Users\Admin\AppData\Local\Temp\tmpC0C0.tmp

    Filesize

    1KB

    MD5

    4554c5d64fa3f65105c04745447859b0

    SHA1

    a2259b0b058bdb06976b239af95e85f2f65a189a

    SHA256

    bf66f3220fd911f2c53fba76d63fc769e27d651361df6ace2795140bb3d69a2d

    SHA512

    74533aa031a49688ddd7ee92ab33cae13adb0eccdf21cab020324a09cc37168ecec41a20011e8bc41a8c5df553f1cd96670a33c6de7e59c749b53a04ecfe6955

  • C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Recent\CustomDestinations\W9JE3XR1F5EDFWHXJUTZ.temp

    Filesize

    7KB

    MD5

    5dc22a34b8f2ac6ee3defcbefcf3078a

    SHA1

    72d10ac54c4f76b6cd78cfc01a250ca46dfd1f13

    SHA256

    2a59b0f94af038ed3b23c45cb1ea58791f9e550fdfd6717105652f41847c0e43

    SHA512

    bea59f24231a91978ae0b438265ec7513961e1e528da4f69bf548fa4b52a53c11b05cadd6a67b35154653da9a7379019079f353b1acb47cb9a25641d83d69b7d

  • C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Recent\CustomDestinations\d93f411851d7c929.customDestinations-ms

    Filesize

    7KB

    MD5

    5dc22a34b8f2ac6ee3defcbefcf3078a

    SHA1

    72d10ac54c4f76b6cd78cfc01a250ca46dfd1f13

    SHA256

    2a59b0f94af038ed3b23c45cb1ea58791f9e550fdfd6717105652f41847c0e43

    SHA512

    bea59f24231a91978ae0b438265ec7513961e1e528da4f69bf548fa4b52a53c11b05cadd6a67b35154653da9a7379019079f353b1acb47cb9a25641d83d69b7d

  • memory/2456-31-0x00000000741D0000-0x00000000748BE000-memory.dmp

    Filesize

    6.9MB

  • memory/2456-1-0x00000000741D0000-0x00000000748BE000-memory.dmp

    Filesize

    6.9MB

  • memory/2456-2-0x0000000002080000-0x00000000020C0000-memory.dmp

    Filesize

    256KB

  • memory/2456-3-0x0000000002050000-0x0000000002068000-memory.dmp

    Filesize

    96KB

  • memory/2456-4-0x0000000000930000-0x0000000000936000-memory.dmp

    Filesize

    24KB

  • memory/2456-5-0x0000000002140000-0x000000000214A000-memory.dmp

    Filesize

    40KB

  • memory/2456-6-0x0000000005150000-0x00000000051CA000-memory.dmp

    Filesize

    488KB

  • memory/2456-0-0x0000000000940000-0x00000000009DE000-memory.dmp

    Filesize

    632KB

  • memory/2540-38-0x00000000003C0000-0x0000000000400000-memory.dmp

    Filesize

    256KB

  • memory/2540-34-0x000000006DCA0000-0x000000006E24B000-memory.dmp

    Filesize

    5.7MB

  • memory/2540-43-0x000000006DCA0000-0x000000006E24B000-memory.dmp

    Filesize

    5.7MB

  • memory/2540-40-0x000000006DCA0000-0x000000006E24B000-memory.dmp

    Filesize

    5.7MB

  • memory/2540-39-0x00000000003C0000-0x0000000000400000-memory.dmp

    Filesize

    256KB

  • memory/2540-35-0x00000000003C0000-0x0000000000400000-memory.dmp

    Filesize

    256KB

  • memory/2580-41-0x0000000072730000-0x0000000072E1E000-memory.dmp

    Filesize

    6.9MB

  • memory/2580-19-0x0000000000400000-0x0000000000442000-memory.dmp

    Filesize

    264KB

  • memory/2580-45-0x0000000072730000-0x0000000072E1E000-memory.dmp

    Filesize

    6.9MB

  • memory/2580-20-0x0000000000400000-0x0000000000442000-memory.dmp

    Filesize

    264KB

  • memory/2580-29-0x0000000000400000-0x0000000000442000-memory.dmp

    Filesize

    264KB

  • memory/2580-44-0x0000000004900000-0x0000000004940000-memory.dmp

    Filesize

    256KB

  • memory/2580-23-0x0000000000400000-0x0000000000442000-memory.dmp

    Filesize

    264KB

  • memory/2580-32-0x0000000000400000-0x0000000000442000-memory.dmp

    Filesize

    264KB

  • memory/2580-27-0x0000000000400000-0x0000000000442000-memory.dmp

    Filesize

    264KB

  • memory/2580-25-0x000000007EFDE000-0x000000007EFDF000-memory.dmp

    Filesize

    4KB

  • memory/2580-21-0x0000000000400000-0x0000000000442000-memory.dmp

    Filesize

    264KB

  • memory/2680-37-0x000000006DCA0000-0x000000006E24B000-memory.dmp

    Filesize

    5.7MB

  • memory/2680-42-0x000000006DCA0000-0x000000006E24B000-memory.dmp

    Filesize

    5.7MB

  • memory/2680-36-0x0000000002720000-0x0000000002760000-memory.dmp

    Filesize

    256KB

  • memory/2680-33-0x000000006DCA0000-0x000000006E24B000-memory.dmp

    Filesize

    5.7MB