Analysis

  • max time kernel
    120s
  • max time network
    123s
  • platform
    windows7_x64
  • resource
    win7-20231020-en
  • resource tags

    arch:x64arch:x86image:win7-20231020-enlocale:en-usos:windows7-x64system
  • submitted
    07-12-2023 19:23

General

  • Target

    4b34bc3727484ca341c95178cc5fca86791d87706d5d5503644377a080c971d9exe.exe

  • Size

    778KB

  • MD5

    f98f8ddef570e6855e92f5bedd679e0a

  • SHA1

    8d4c741006e49809485b16d3210299e7839d1350

  • SHA256

    4b34bc3727484ca341c95178cc5fca86791d87706d5d5503644377a080c971d9

  • SHA512

    5ef7c79c3174df69a2803e95a315194fb1fcd979eca9124203f37cc80d0cb5efd531ad028df8a691239650ee73780d02efbe503fa6ce354d1f0d68d41da17d98

  • SSDEEP

    12288:RijW1uYU0WXGcZI2P/GLC0+i+Gxc/qMNldhRT82kNN/MhH37ixkceykcTcro4QES:muK/GLCfGxc/DN9WRghHLIMhdf

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.

  • Looks up external IP address via web service 2 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 4 IoCs
  • Suspicious use of AdjustPrivilegeToken 3 IoCs
  • Suspicious use of SetWindowsHookEx 1 IoCs
  • Suspicious use of WriteProcessMemory 21 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\4b34bc3727484ca341c95178cc5fca86791d87706d5d5503644377a080c971d9exe.exe
    "C:\Users\Admin\AppData\Local\Temp\4b34bc3727484ca341c95178cc5fca86791d87706d5d5503644377a080c971d9exe.exe"
    1⤵
    • Suspicious use of SetThreadContext
    • Suspicious use of WriteProcessMemory
    PID:1208
    • 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\4b34bc3727484ca341c95178cc5fca86791d87706d5d5503644377a080c971d9exe.exe"
      2⤵
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      PID:2288
    • C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe
      "C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" Add-MpPreference -ExclusionPath "C:\Users\Admin\AppData\Roaming\AEERnFW.exe"
      2⤵
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      PID:2772
    • C:\Windows\SysWOW64\schtasks.exe
      "C:\Windows\System32\schtasks.exe" /Create /TN "Updates\AEERnFW" /XML "C:\Users\Admin\AppData\Local\Temp\tmp81AE.tmp"
      2⤵
      • Creates scheduled task(s)
      PID:2804
    • C:\Users\Admin\AppData\Local\Temp\4b34bc3727484ca341c95178cc5fca86791d87706d5d5503644377a080c971d9exe.exe
      "C:\Users\Admin\AppData\Local\Temp\4b34bc3727484ca341c95178cc5fca86791d87706d5d5503644377a080c971d9exe.exe"
      2⤵
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      • Suspicious use of SetWindowsHookEx
      PID:2572

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

Loading Replay Monitor...

Downloads

  • C:\Users\Admin\AppData\Local\Temp\tmp81AE.tmp

    Filesize

    1KB

    MD5

    932ee697cd2bf7a1aeb581b928aacc88

    SHA1

    74ff7ac5df25a312522f50d80e0d2ec8ec362620

    SHA256

    f04168b970b9c0a92b550f615e3ae8cdda0fabb88357be85aff2507ea3345a84

    SHA512

    1b88cb1cbd6296ea4bec3bf828997cd3bf3b47171d38e55c95647c44dcbfb6d13077bfae7930823ab6ed01f4f6c07ae001e702416f6c331df1fae15383bcbf3a

  • C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Recent\CustomDestinations\AP14L50OYI4Y5IV694LE.temp

    Filesize

    7KB

    MD5

    5758b67dbe87f757d8d07e728e5aebc0

    SHA1

    04da21022d4c51a349322cbae2a84466553f008a

    SHA256

    aeae3852ce09b18d90c51b1b5f49a35e7396dbcee01bebb17f4349af244c3943

    SHA512

    21f8085f39c7f3c9dc12db8643c14aedcdd6b910f30313deeec6728234c120d528ada1c8ada4de70f3746b836a94659067b5447841fccb8b9f27b5a68f26f25c

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

    Filesize

    7KB

    MD5

    5758b67dbe87f757d8d07e728e5aebc0

    SHA1

    04da21022d4c51a349322cbae2a84466553f008a

    SHA256

    aeae3852ce09b18d90c51b1b5f49a35e7396dbcee01bebb17f4349af244c3943

    SHA512

    21f8085f39c7f3c9dc12db8643c14aedcdd6b910f30313deeec6728234c120d528ada1c8ada4de70f3746b836a94659067b5447841fccb8b9f27b5a68f26f25c

  • memory/1208-28-0x00000000745D0000-0x0000000074CBE000-memory.dmp

    Filesize

    6.9MB

  • memory/1208-1-0x00000000745D0000-0x0000000074CBE000-memory.dmp

    Filesize

    6.9MB

  • memory/1208-2-0x0000000004E50000-0x0000000004E90000-memory.dmp

    Filesize

    256KB

  • memory/1208-3-0x00000000002C0000-0x00000000002D6000-memory.dmp

    Filesize

    88KB

  • memory/1208-4-0x0000000000480000-0x000000000048A000-memory.dmp

    Filesize

    40KB

  • memory/1208-5-0x0000000005260000-0x00000000052DA000-memory.dmp

    Filesize

    488KB

  • memory/1208-0-0x0000000000E60000-0x0000000000F26000-memory.dmp

    Filesize

    792KB

  • memory/2288-35-0x000000006F670000-0x000000006FC1B000-memory.dmp

    Filesize

    5.7MB

  • memory/2288-32-0x000000006F670000-0x000000006FC1B000-memory.dmp

    Filesize

    5.7MB

  • memory/2288-41-0x000000006F670000-0x000000006FC1B000-memory.dmp

    Filesize

    5.7MB

  • memory/2288-38-0x00000000027C0000-0x0000000002800000-memory.dmp

    Filesize

    256KB

  • memory/2572-18-0x0000000000400000-0x0000000000440000-memory.dmp

    Filesize

    256KB

  • memory/2572-20-0x0000000000400000-0x0000000000440000-memory.dmp

    Filesize

    256KB

  • memory/2572-29-0x0000000000400000-0x0000000000440000-memory.dmp

    Filesize

    256KB

  • memory/2572-31-0x0000000000400000-0x0000000000440000-memory.dmp

    Filesize

    256KB

  • memory/2572-23-0x0000000000400000-0x0000000000440000-memory.dmp

    Filesize

    256KB

  • memory/2572-44-0x00000000745D0000-0x0000000074CBE000-memory.dmp

    Filesize

    6.9MB

  • memory/2572-43-0x0000000004370000-0x00000000043B0000-memory.dmp

    Filesize

    256KB

  • memory/2572-26-0x0000000000400000-0x0000000000440000-memory.dmp

    Filesize

    256KB

  • memory/2572-24-0x000000007EFDE000-0x000000007EFDF000-memory.dmp

    Filesize

    4KB

  • memory/2572-22-0x0000000000400000-0x0000000000440000-memory.dmp

    Filesize

    256KB

  • memory/2572-37-0x0000000004370000-0x00000000043B0000-memory.dmp

    Filesize

    256KB

  • memory/2572-40-0x00000000745D0000-0x0000000074CBE000-memory.dmp

    Filesize

    6.9MB

  • memory/2772-39-0x00000000025C0000-0x0000000002600000-memory.dmp

    Filesize

    256KB

  • memory/2772-42-0x000000006F670000-0x000000006FC1B000-memory.dmp

    Filesize

    5.7MB

  • memory/2772-36-0x00000000025C0000-0x0000000002600000-memory.dmp

    Filesize

    256KB

  • memory/2772-34-0x000000006F670000-0x000000006FC1B000-memory.dmp

    Filesize

    5.7MB

  • memory/2772-33-0x000000006F670000-0x000000006FC1B000-memory.dmp

    Filesize

    5.7MB