Analysis

  • max time kernel
    122s
  • max time network
    127s
  • platform
    windows7_x64
  • resource
    win7-20231023-en
  • resource tags

    arch:x64arch:x86image:win7-20231023-enlocale:en-usos:windows7-x64system
  • submitted
    01-12-2023 07:17

General

  • Target

    SOA OCT-NOV 2023.exe

  • Size

    678KB

  • MD5

    7f4f6e3789449c78b61f26d679cf5a2f

  • SHA1

    377ca37dcf869dbc2c6207a4dd383f85b9f6b65d

  • SHA256

    5ff36a084b23be3de1baeb6953f2d0488d8f1ea257d1b83d64ad8fb64bc8dc39

  • SHA512

    b9c614984dd6ff1ef21874b8fde9eaedb14d9afe59e4c3c3525eff8212d4f7424366f5c5e95dc004fd9cf7e6bac29e8117b13174ba9ad6e3e9740612c08f4f47

  • SSDEEP

    12288:GCB0JiIeS0K36xgYG86Ox2nzNwqIH2kGX3DwxV7ccqidnuB/LhYcvwfqIrs9:l0Jis36aYv6Ox2xkGaxqFmcxa

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.

  • Adds Run key to start application 2 TTPs 1 IoCs
  • 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 8 IoCs
  • Suspicious use of AdjustPrivilegeToken 4 IoCs
  • Suspicious use of SetWindowsHookEx 1 IoCs
  • Suspicious use of WriteProcessMemory 25 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\SOA OCT-NOV 2023.exe
    "C:\Users\Admin\AppData\Local\Temp\SOA OCT-NOV 2023.exe"
    1⤵
    • Suspicious use of SetThreadContext
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of WriteProcessMemory
    PID:2040
    • 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\SOA OCT-NOV 2023.exe"
      2⤵
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      PID:2956
    • C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe
      "C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" Add-MpPreference -ExclusionPath "C:\Users\Admin\AppData\Roaming\mKYYhRtPkmXrC.exe"
      2⤵
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      PID:2952
    • C:\Windows\SysWOW64\schtasks.exe
      "C:\Windows\System32\schtasks.exe" /Create /TN "Updates\mKYYhRtPkmXrC" /XML "C:\Users\Admin\AppData\Local\Temp\tmpDB13.tmp"
      2⤵
      • Creates scheduled task(s)
      PID:2612
    • C:\Users\Admin\AppData\Local\Temp\SOA OCT-NOV 2023.exe
      "C:\Users\Admin\AppData\Local\Temp\SOA OCT-NOV 2023.exe"
      2⤵
        PID:2708
      • C:\Users\Admin\AppData\Local\Temp\SOA OCT-NOV 2023.exe
        "C:\Users\Admin\AppData\Local\Temp\SOA OCT-NOV 2023.exe"
        2⤵
        • Adds Run key to start application
        • Suspicious behavior: EnumeratesProcesses
        • Suspicious use of AdjustPrivilegeToken
        • Suspicious use of SetWindowsHookEx
        PID:2492

    Network

    MITRE ATT&CK Enterprise v15

    Replay Monitor

    Loading Replay Monitor...

    Downloads

    • C:\Users\Admin\AppData\Local\Temp\tmpDB13.tmp

      Filesize

      1KB

      MD5

      8322da8cf519eeb003c0581165ae771c

      SHA1

      0e3a6f3977f201b7fa76dcb88b5597e3599c3a39

      SHA256

      860f95fb9c80aa448b0f39be83896b166486a30177e726db1248277dbcf22a0f

      SHA512

      b8aec4a10b3a2a4e5f9c3df3d5a585ec594f15f837851215aef99425622d6d3595513571162d10509fe0ee5bafa60dab10791431936ed8188d72a147d34d4104

    • C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Recent\CustomDestinations\PEX7CSQ6XSMC4UJAFJJF.temp

      Filesize

      7KB

      MD5

      afc15a65a3026e305ac34227ea49f3f7

      SHA1

      a3ae3ef211b77a3c7538e69b113a594b2f9bf3e1

      SHA256

      1d54696ece6b358334857bb0854640075988dc2a236d7b8f90396eebb67d0c75

      SHA512

      82492c8fd38e64863933ad626c6614b4661f979a764f3e25dc51a5de680203e3e8f3926434ee8f8e8f3035298fb09c4a46b62eadb2c0e69d6f2177b4ed9151cd

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

      Filesize

      7KB

      MD5

      afc15a65a3026e305ac34227ea49f3f7

      SHA1

      a3ae3ef211b77a3c7538e69b113a594b2f9bf3e1

      SHA256

      1d54696ece6b358334857bb0854640075988dc2a236d7b8f90396eebb67d0c75

      SHA512

      82492c8fd38e64863933ad626c6614b4661f979a764f3e25dc51a5de680203e3e8f3926434ee8f8e8f3035298fb09c4a46b62eadb2c0e69d6f2177b4ed9151cd

    • memory/2040-0-0x0000000000DB0000-0x0000000000E60000-memory.dmp

      Filesize

      704KB

    • memory/2040-1-0x0000000074630000-0x0000000074D1E000-memory.dmp

      Filesize

      6.9MB

    • memory/2040-2-0x0000000004CD0000-0x0000000004D10000-memory.dmp

      Filesize

      256KB

    • memory/2040-3-0x0000000000420000-0x0000000000436000-memory.dmp

      Filesize

      88KB

    • memory/2040-4-0x0000000000450000-0x0000000000458000-memory.dmp

      Filesize

      32KB

    • memory/2040-5-0x0000000000460000-0x000000000046A000-memory.dmp

      Filesize

      40KB

    • memory/2040-6-0x0000000004EC0000-0x0000000004F3C000-memory.dmp

      Filesize

      496KB

    • memory/2040-31-0x0000000074630000-0x0000000074D1E000-memory.dmp

      Filesize

      6.9MB

    • memory/2492-26-0x0000000000400000-0x0000000000442000-memory.dmp

      Filesize

      264KB

    • memory/2492-40-0x00000000022F0000-0x0000000002330000-memory.dmp

      Filesize

      256KB

    • memory/2492-22-0x0000000000400000-0x0000000000442000-memory.dmp

      Filesize

      264KB

    • memory/2492-24-0x000000007EFDE000-0x000000007EFDF000-memory.dmp

      Filesize

      4KB

    • memory/2492-45-0x00000000022F0000-0x0000000002330000-memory.dmp

      Filesize

      256KB

    • memory/2492-20-0x0000000000400000-0x0000000000442000-memory.dmp

      Filesize

      264KB

    • memory/2492-44-0x0000000073540000-0x0000000073C2E000-memory.dmp

      Filesize

      6.9MB

    • memory/2492-30-0x0000000000400000-0x0000000000442000-memory.dmp

      Filesize

      264KB

    • memory/2492-19-0x0000000000400000-0x0000000000442000-memory.dmp

      Filesize

      264KB

    • memory/2492-21-0x0000000000400000-0x0000000000442000-memory.dmp

      Filesize

      264KB

    • memory/2492-38-0x0000000073540000-0x0000000073C2E000-memory.dmp

      Filesize

      6.9MB

    • memory/2492-34-0x0000000000400000-0x0000000000442000-memory.dmp

      Filesize

      264KB

    • memory/2952-36-0x00000000026E0000-0x0000000002720000-memory.dmp

      Filesize

      256KB

    • memory/2952-42-0x000000006F6D0000-0x000000006FC7B000-memory.dmp

      Filesize

      5.7MB

    • memory/2952-29-0x000000006F6D0000-0x000000006FC7B000-memory.dmp

      Filesize

      5.7MB

    • memory/2956-37-0x0000000002230000-0x0000000002270000-memory.dmp

      Filesize

      256KB

    • memory/2956-35-0x000000006F6D0000-0x000000006FC7B000-memory.dmp

      Filesize

      5.7MB

    • memory/2956-39-0x0000000002230000-0x0000000002270000-memory.dmp

      Filesize

      256KB

    • memory/2956-32-0x0000000002230000-0x0000000002270000-memory.dmp

      Filesize

      256KB

    • memory/2956-41-0x000000006F6D0000-0x000000006FC7B000-memory.dmp

      Filesize

      5.7MB

    • memory/2956-28-0x000000006F6D0000-0x000000006FC7B000-memory.dmp

      Filesize

      5.7MB