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Analysis

  • max time kernel
    120s
  • max time network
    132s
  • platform
    windows7_x64
  • resource
    win7-20231215-en
  • resource tags

    arch:x64arch:x86image:win7-20231215-enlocale:en-usos:windows7-x64system
  • submitted
    01/02/2024, 01:28

General

  • Target

    c527ff1b18581fbd4e2813b51b414b5ffdee8c49ead1476ea0ed9a1dfacc6659.exe

  • Size

    668KB

  • MD5

    1bb1095059a6f5f01895f3c6c906a50a

  • SHA1

    cb60951acc0a0e09db96729e644ca4bda586992e

  • SHA256

    c527ff1b18581fbd4e2813b51b414b5ffdee8c49ead1476ea0ed9a1dfacc6659

  • SHA512

    45981b12bfbfcb69465ece150da300eec6454e0468d3eb7daebbc8171376f576f8278533f870b458d9a2406b9335b91ca3dfde9a777c8f4de099300d6a7bcf0c

  • SSDEEP

    12288:IAN8j8qshDs5E6xMSM5/SD5iT5YsuEGMVhbDu6ROybSS0qAn/62:FN8bshIiCDQT51uErRDucHSS0RT

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.

  • Accesses Microsoft Outlook profiles 1 TTPs 3 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 5 IoCs
  • Suspicious use of AdjustPrivilegeToken 3 IoCs
  • Suspicious use of SetWindowsHookEx 1 IoCs
  • Suspicious use of WriteProcessMemory 21 IoCs
  • outlook_office_path 1 IoCs
  • outlook_win_path 1 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\c527ff1b18581fbd4e2813b51b414b5ffdee8c49ead1476ea0ed9a1dfacc6659.exe
    "C:\Users\Admin\AppData\Local\Temp\c527ff1b18581fbd4e2813b51b414b5ffdee8c49ead1476ea0ed9a1dfacc6659.exe"
    1⤵
    • Suspicious use of SetThreadContext
    • Suspicious use of WriteProcessMemory
    PID:2388
    • 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\c527ff1b18581fbd4e2813b51b414b5ffdee8c49ead1476ea0ed9a1dfacc6659.exe"
      2⤵
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      PID:2324
    • C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe
      "C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" Add-MpPreference -ExclusionPath "C:\Users\Admin\AppData\Roaming\fcPpSwwTYIRf.exe"
      2⤵
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      PID:2104
    • C:\Windows\SysWOW64\schtasks.exe
      "C:\Windows\System32\schtasks.exe" /Create /TN "Updates\fcPpSwwTYIRf" /XML "C:\Users\Admin\AppData\Local\Temp\tmpC62C.tmp"
      2⤵
      • Creates scheduled task(s)
      PID:2684
    • C:\Users\Admin\AppData\Local\Temp\c527ff1b18581fbd4e2813b51b414b5ffdee8c49ead1476ea0ed9a1dfacc6659.exe
      "C:\Users\Admin\AppData\Local\Temp\c527ff1b18581fbd4e2813b51b414b5ffdee8c49ead1476ea0ed9a1dfacc6659.exe"
      2⤵
      • Accesses Microsoft Outlook profiles
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      • Suspicious use of SetWindowsHookEx
      • outlook_office_path
      • outlook_win_path
      PID:2644

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

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Downloads

  • C:\Users\Admin\AppData\Local\Temp\tmpC62C.tmp

    Filesize

    1KB

    MD5

    ca8a242f601c0fdc935c49c77015fc9a

    SHA1

    46bd08039ab7964253705a8cd78d3ff4aff938db

    SHA256

    a81677cc150d795e866ff9f8e2b420fe130e642139839929e4d3a31b5ac4999d

    SHA512

    93d4fb2c7642fb01117bd20816dfe0826dc3f6a4af010f47cccc04246ff990eeb87acdec911085a30761aa3b55c546d8448e4498aaa761f4353426554240b6d9

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

    Filesize

    7KB

    MD5

    16bf0dc1a137cc99eeed66329826d2e0

    SHA1

    b8db5383b602fb6a31be304b1db6abf7302580b0

    SHA256

    61aa1b9f85440f84695c4c2c3be79358907626913b5418f5e2d7af701b0030fc

    SHA512

    5f46eaa872aa722623b5a559149188a6e6666fb58b2d817cb44a1e1271371de4cbcfad0b0991b8e4694703d0772c393e5c91d9137d2f51db7f8d9545645202ec

  • memory/2104-40-0x0000000001C90000-0x0000000001CD0000-memory.dmp

    Filesize

    256KB

  • memory/2104-33-0x000000006E6C0000-0x000000006EC6B000-memory.dmp

    Filesize

    5.7MB

  • memory/2104-36-0x000000006E6C0000-0x000000006EC6B000-memory.dmp

    Filesize

    5.7MB

  • memory/2104-39-0x0000000001C90000-0x0000000001CD0000-memory.dmp

    Filesize

    256KB

  • memory/2104-42-0x0000000001C90000-0x0000000001CD0000-memory.dmp

    Filesize

    256KB

  • memory/2104-44-0x000000006E6C0000-0x000000006EC6B000-memory.dmp

    Filesize

    5.7MB

  • memory/2324-34-0x0000000002370000-0x00000000023B0000-memory.dmp

    Filesize

    256KB

  • memory/2324-35-0x000000006E6C0000-0x000000006EC6B000-memory.dmp

    Filesize

    5.7MB

  • memory/2324-41-0x0000000002370000-0x00000000023B0000-memory.dmp

    Filesize

    256KB

  • memory/2324-43-0x000000006E6C0000-0x000000006EC6B000-memory.dmp

    Filesize

    5.7MB

  • memory/2388-7-0x00000000053E0000-0x000000000545E000-memory.dmp

    Filesize

    504KB

  • memory/2388-31-0x0000000074690000-0x0000000074D7E000-memory.dmp

    Filesize

    6.9MB

  • memory/2388-20-0x0000000001210000-0x0000000001250000-memory.dmp

    Filesize

    256KB

  • memory/2388-1-0x0000000074690000-0x0000000074D7E000-memory.dmp

    Filesize

    6.9MB

  • memory/2388-2-0x0000000001210000-0x0000000001250000-memory.dmp

    Filesize

    256KB

  • memory/2388-0-0x00000000012F0000-0x000000000139E000-memory.dmp

    Filesize

    696KB

  • memory/2388-3-0x0000000000650000-0x000000000066C000-memory.dmp

    Filesize

    112KB

  • memory/2388-6-0x0000000000680000-0x0000000000694000-memory.dmp

    Filesize

    80KB

  • memory/2388-5-0x0000000000670000-0x000000000067E000-memory.dmp

    Filesize

    56KB

  • memory/2388-4-0x0000000074690000-0x0000000074D7E000-memory.dmp

    Filesize

    6.9MB

  • memory/2644-21-0x0000000000400000-0x000000000043C000-memory.dmp

    Filesize

    240KB

  • memory/2644-22-0x0000000000400000-0x000000000043C000-memory.dmp

    Filesize

    240KB

  • memory/2644-37-0x0000000072890000-0x0000000072F7E000-memory.dmp

    Filesize

    6.9MB

  • memory/2644-38-0x0000000004DC0000-0x0000000004E00000-memory.dmp

    Filesize

    256KB

  • memory/2644-32-0x0000000000400000-0x000000000043C000-memory.dmp

    Filesize

    240KB

  • memory/2644-29-0x0000000000400000-0x000000000043C000-memory.dmp

    Filesize

    240KB

  • memory/2644-27-0x0000000000400000-0x000000000043C000-memory.dmp

    Filesize

    240KB

  • memory/2644-25-0x000000007EFDE000-0x000000007EFDF000-memory.dmp

    Filesize

    4KB

  • memory/2644-24-0x0000000000400000-0x000000000043C000-memory.dmp

    Filesize

    240KB

  • memory/2644-23-0x0000000000400000-0x000000000043C000-memory.dmp

    Filesize

    240KB

  • memory/2644-45-0x0000000004DC0000-0x0000000004E00000-memory.dmp

    Filesize

    256KB

  • memory/2644-46-0x0000000072890000-0x0000000072F7E000-memory.dmp

    Filesize

    6.9MB

  • memory/2644-47-0x0000000004DC0000-0x0000000004E00000-memory.dmp

    Filesize

    256KB

  • memory/2644-48-0x0000000004DC0000-0x0000000004E00000-memory.dmp

    Filesize

    256KB