Analysis

  • max time kernel
    117s
  • max time network
    122s
  • platform
    windows7_x64
  • resource
    win7-20231020-en
  • resource tags

    arch:x64arch:x86image:win7-20231020-enlocale:en-usos:windows7-x64system
  • submitted
    07-12-2023 15:09

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:2536
    • 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:2660
    • 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:2716
    • C:\Windows\SysWOW64\schtasks.exe
      "C:\Windows\System32\schtasks.exe" /Create /TN "Updates\fwZBnhxon" /XML "C:\Users\Admin\AppData\Local\Temp\tmp8537.tmp"
      2⤵
      • Creates scheduled task(s)
      PID:2852
    • 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:2604

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

Loading Replay Monitor...

Downloads

  • C:\Users\Admin\AppData\Local\Temp\tmp8537.tmp

    Filesize

    1KB

    MD5

    236f6e4cb88609de4a14bb00e881c9b6

    SHA1

    d660130e571a7601eb435d5f75a2d30a352d41d7

    SHA256

    0e4bd9e2ebb3257b92160b234cbece28735ec567e2b8240bc7e95143f46df7c9

    SHA512

    31165eecc35d55859f96a7b77df79797b598b74d68e032e4acdca2e405e0ec0f04e0f2592b7b7149405ef6234a2b49240ccb9575b0e2bb28a5626915bdc49746

  • C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Recent\CustomDestinations\UAOMTP8OMZGBKTT1QZYA.temp

    Filesize

    7KB

    MD5

    affc9359147ca5c45be18772b46794e4

    SHA1

    de933d71d441379cafd78d8259f2e0ab9ca4674f

    SHA256

    f5ae2fe607ee8b3212c0d5d79a8d26ddd78dea33a990b099c4ff1169d20008f0

    SHA512

    d3608db96cf0a7d1781972d9effad4967b502d62a49203c3b6f69f152fd368d06a5b1171395bec2459b71a330d8b6d0329f4e1fc809309bc5e858db32ce88d17

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

    Filesize

    7KB

    MD5

    affc9359147ca5c45be18772b46794e4

    SHA1

    de933d71d441379cafd78d8259f2e0ab9ca4674f

    SHA256

    f5ae2fe607ee8b3212c0d5d79a8d26ddd78dea33a990b099c4ff1169d20008f0

    SHA512

    d3608db96cf0a7d1781972d9effad4967b502d62a49203c3b6f69f152fd368d06a5b1171395bec2459b71a330d8b6d0329f4e1fc809309bc5e858db32ce88d17

  • memory/2536-0-0x0000000000140000-0x00000000001DE000-memory.dmp

    Filesize

    632KB

  • memory/2536-1-0x00000000742A0000-0x000000007498E000-memory.dmp

    Filesize

    6.9MB

  • memory/2536-2-0x0000000000530000-0x0000000000570000-memory.dmp

    Filesize

    256KB

  • memory/2536-3-0x0000000001F20000-0x0000000001F38000-memory.dmp

    Filesize

    96KB

  • memory/2536-4-0x0000000000520000-0x0000000000526000-memory.dmp

    Filesize

    24KB

  • memory/2536-5-0x0000000001FB0000-0x0000000001FBA000-memory.dmp

    Filesize

    40KB

  • memory/2536-6-0x0000000005C70000-0x0000000005CEA000-memory.dmp

    Filesize

    488KB

  • memory/2536-32-0x00000000742A0000-0x000000007498E000-memory.dmp

    Filesize

    6.9MB

  • memory/2604-31-0x0000000000400000-0x0000000000442000-memory.dmp

    Filesize

    264KB

  • memory/2604-38-0x00000000742A0000-0x000000007498E000-memory.dmp

    Filesize

    6.9MB

  • memory/2604-23-0x0000000000400000-0x0000000000442000-memory.dmp

    Filesize

    264KB

  • memory/2604-25-0x000000007EFDE000-0x000000007EFDF000-memory.dmp

    Filesize

    4KB

  • memory/2604-27-0x0000000000400000-0x0000000000442000-memory.dmp

    Filesize

    264KB

  • memory/2604-20-0x0000000000400000-0x0000000000442000-memory.dmp

    Filesize

    264KB

  • memory/2604-29-0x0000000000400000-0x0000000000442000-memory.dmp

    Filesize

    264KB

  • memory/2604-19-0x0000000000400000-0x0000000000442000-memory.dmp

    Filesize

    264KB

  • memory/2604-45-0x00000000009D0000-0x0000000000A10000-memory.dmp

    Filesize

    256KB

  • memory/2604-44-0x00000000742A0000-0x000000007498E000-memory.dmp

    Filesize

    6.9MB

  • memory/2604-39-0x00000000009D0000-0x0000000000A10000-memory.dmp

    Filesize

    256KB

  • memory/2604-21-0x0000000000400000-0x0000000000442000-memory.dmp

    Filesize

    264KB

  • memory/2660-36-0x000000006F110000-0x000000006F6BB000-memory.dmp

    Filesize

    5.7MB

  • memory/2660-43-0x000000006F110000-0x000000006F6BB000-memory.dmp

    Filesize

    5.7MB

  • memory/2660-34-0x000000006F110000-0x000000006F6BB000-memory.dmp

    Filesize

    5.7MB

  • memory/2716-37-0x000000006F110000-0x000000006F6BB000-memory.dmp

    Filesize

    5.7MB

  • memory/2716-35-0x0000000002740000-0x0000000002780000-memory.dmp

    Filesize

    256KB

  • memory/2716-40-0x0000000002740000-0x0000000002780000-memory.dmp

    Filesize

    256KB

  • memory/2716-41-0x0000000002740000-0x0000000002780000-memory.dmp

    Filesize

    256KB

  • memory/2716-42-0x000000006F110000-0x000000006F6BB000-memory.dmp

    Filesize

    5.7MB

  • memory/2716-33-0x000000006F110000-0x000000006F6BB000-memory.dmp

    Filesize

    5.7MB