Analysis

  • max time kernel
    120s
  • max time network
    125s
  • platform
    windows7_x64
  • resource
    win7-20231215-en
  • resource tags

    arch:x64arch:x86image:win7-20231215-enlocale:en-usos:windows7-x64system
  • submitted
    11-01-2024 20:06

General

  • Target

    a50118bac3fb65a828d03e2edb5492112070084f6707527a2fc964cb1ea22623exe.exe

  • Size

    860KB

  • MD5

    e68f3ecd7af94914065ac026d08e7469

  • SHA1

    2d94838190a7af2024b1d604450a47d4cefb9f8e

  • SHA256

    a50118bac3fb65a828d03e2edb5492112070084f6707527a2fc964cb1ea22623

  • SHA512

    bf84c17c04e10d170dee9366d41d89dbeabf7311ac261e3048acbfacd913de488d939500a6de3f86a9b77ec65106b1c0380e44f4e63fa7539feaefb88d51fc9a

  • SSDEEP

    12288:noNG9cEX/XUVUfJGVJx064BYjMvcVg7vD8nja1Bq/ta+dMouIE:ow9/Xyi64BYjM0y+aBq/G

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

Processes

  • C:\Users\Admin\AppData\Local\Temp\a50118bac3fb65a828d03e2edb5492112070084f6707527a2fc964cb1ea22623exe.exe
    "C:\Users\Admin\AppData\Local\Temp\a50118bac3fb65a828d03e2edb5492112070084f6707527a2fc964cb1ea22623exe.exe"
    1⤵
    • Suspicious use of SetThreadContext
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of WriteProcessMemory
    PID:2400
    • 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\a50118bac3fb65a828d03e2edb5492112070084f6707527a2fc964cb1ea22623exe.exe"
      2⤵
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      PID:2824
    • C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe
      "C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" Add-MpPreference -ExclusionPath "C:\Users\Admin\AppData\Roaming\ZqGrLcVWvfsX.exe"
      2⤵
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      PID:2136
    • C:\Windows\SysWOW64\schtasks.exe
      "C:\Windows\System32\schtasks.exe" /Create /TN "Updates\ZqGrLcVWvfsX" /XML "C:\Users\Admin\AppData\Local\Temp\tmpC1D9.tmp"
      2⤵
      • Creates scheduled task(s)
      PID:2596
    • C:\Users\Admin\AppData\Local\Temp\a50118bac3fb65a828d03e2edb5492112070084f6707527a2fc964cb1ea22623exe.exe
      "C:\Users\Admin\AppData\Local\Temp\a50118bac3fb65a828d03e2edb5492112070084f6707527a2fc964cb1ea22623exe.exe"
      2⤵
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      PID:2632

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

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Downloads

  • C:\Users\Admin\AppData\Local\Temp\tmpC1D9.tmp

    Filesize

    1KB

    MD5

    2635f9e2b9b284c16150061665456dce

    SHA1

    b0d2cf8df75203d20905a4c4f75d8e4393c48374

    SHA256

    49c061d1c9c31fca6720d7adcfb00a32ec42307b911d374d64a6cac4a5f8a78f

    SHA512

    9367d6ae94f01c6b297a999f90918fd9d927ba22d1f125c0f6c704318dbc7b84596ba6144b97f3c0d4024036231ae9ca99e4b98d2b7262d4dc311de3ff33225d

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

    Filesize

    7KB

    MD5

    f8135178b99b25a1a4a01450354f7ef1

    SHA1

    05684d07a98d9e2b67bbd7472ebe707d52e0c308

    SHA256

    d6376da5a33168008c9f12c81d72382ecbcf3a1dd044f63fa4c9d62f18a0a10e

    SHA512

    d21ed1374c0e5bbcaa3f69ebf802c5440b3328976b94f1e55404dadead436c83f350e7d22d885ce7b205e22522ac54a04f35f3b486726a40902d049e6bc851bb

  • memory/2136-36-0x0000000002730000-0x0000000002770000-memory.dmp

    Filesize

    256KB

  • memory/2136-35-0x000000006F530000-0x000000006FADB000-memory.dmp

    Filesize

    5.7MB

  • memory/2136-38-0x000000006F530000-0x000000006FADB000-memory.dmp

    Filesize

    5.7MB

  • memory/2136-43-0x000000006F530000-0x000000006FADB000-memory.dmp

    Filesize

    5.7MB

  • memory/2400-3-0x00000000003D0000-0x00000000003E4000-memory.dmp

    Filesize

    80KB

  • memory/2400-6-0x0000000004FD0000-0x000000000504A000-memory.dmp

    Filesize

    488KB

  • memory/2400-5-0x00000000004F0000-0x00000000004FE000-memory.dmp

    Filesize

    56KB

  • memory/2400-4-0x00000000004D0000-0x00000000004DA000-memory.dmp

    Filesize

    40KB

  • memory/2400-0-0x0000000000940000-0x0000000000A1C000-memory.dmp

    Filesize

    880KB

  • memory/2400-2-0x0000000004290000-0x00000000042D0000-memory.dmp

    Filesize

    256KB

  • memory/2400-25-0x00000000749E0000-0x00000000750CE000-memory.dmp

    Filesize

    6.9MB

  • memory/2400-1-0x00000000749E0000-0x00000000750CE000-memory.dmp

    Filesize

    6.9MB

  • memory/2400-32-0x00000000749E0000-0x00000000750CE000-memory.dmp

    Filesize

    6.9MB

  • memory/2632-30-0x0000000000400000-0x0000000000442000-memory.dmp

    Filesize

    264KB

  • memory/2632-19-0x0000000000400000-0x0000000000442000-memory.dmp

    Filesize

    264KB

  • memory/2632-26-0x000000007EFDE000-0x000000007EFDF000-memory.dmp

    Filesize

    4KB

  • memory/2632-33-0x0000000000400000-0x0000000000442000-memory.dmp

    Filesize

    264KB

  • memory/2632-46-0x00000000749E0000-0x00000000750CE000-memory.dmp

    Filesize

    6.9MB

  • memory/2632-24-0x0000000000400000-0x0000000000442000-memory.dmp

    Filesize

    264KB

  • memory/2632-23-0x0000000000400000-0x0000000000442000-memory.dmp

    Filesize

    264KB

  • memory/2632-45-0x0000000004A60000-0x0000000004AA0000-memory.dmp

    Filesize

    256KB

  • memory/2632-21-0x0000000000400000-0x0000000000442000-memory.dmp

    Filesize

    264KB

  • memory/2632-28-0x0000000000400000-0x0000000000442000-memory.dmp

    Filesize

    264KB

  • memory/2632-42-0x00000000749E0000-0x00000000750CE000-memory.dmp

    Filesize

    6.9MB

  • memory/2824-41-0x0000000001DE0000-0x0000000001E20000-memory.dmp

    Filesize

    256KB

  • memory/2824-40-0x0000000001DE0000-0x0000000001E20000-memory.dmp

    Filesize

    256KB

  • memory/2824-39-0x0000000001DE0000-0x0000000001E20000-memory.dmp

    Filesize

    256KB

  • memory/2824-44-0x000000006F530000-0x000000006FADB000-memory.dmp

    Filesize

    5.7MB

  • memory/2824-37-0x000000006F530000-0x000000006FADB000-memory.dmp

    Filesize

    5.7MB

  • memory/2824-34-0x000000006F530000-0x000000006FADB000-memory.dmp

    Filesize

    5.7MB