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Analysis

  • max time kernel
    122s
  • max time network
    125s
  • platform
    windows7_x64
  • resource
    win7-20230831-en
  • resource tags

    arch:x64arch:x86image:win7-20230831-enlocale:en-usos:windows7-x64system
  • submitted
    01/09/2023, 16:44

General

  • Target

    e8c89752942b8011820e9d04753700eb70f77a8701796ef7e826399cf889f9ec_JC.exe

  • Size

    565KB

  • MD5

    21cd38786ccaee7305123707ced27f43

  • SHA1

    f594e2f6ec6f8a93542bacfb244c36705086af1f

  • SHA256

    e8c89752942b8011820e9d04753700eb70f77a8701796ef7e826399cf889f9ec

  • SHA512

    933f58794d04ecb59216b41e2a809b670a6e83e89d4f8c8a636868614b4f38158c926613736e9cca52be4b7376d54aedf7e9dbd529e169b6ffbfbf5101088c63

  • SSDEEP

    12288:eULPObnA36hOdWkXyoceEfP0bTqLpiXUhYOapXcl6kpd2rH:3LP+DOXyoQ0bTqLbhNjpd

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
  • 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 11 IoCs
  • Suspicious use of AdjustPrivilegeToken 4 IoCs
  • Suspicious use of WriteProcessMemory 21 IoCs
  • outlook_office_path 1 IoCs
  • outlook_win_path 1 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\e8c89752942b8011820e9d04753700eb70f77a8701796ef7e826399cf889f9ec_JC.exe
    "C:\Users\Admin\AppData\Local\Temp\e8c89752942b8011820e9d04753700eb70f77a8701796ef7e826399cf889f9ec_JC.exe"
    1⤵
    • Suspicious use of SetThreadContext
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of WriteProcessMemory
    PID:2440
    • 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\e8c89752942b8011820e9d04753700eb70f77a8701796ef7e826399cf889f9ec_JC.exe"
      2⤵
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      PID:2688
    • C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe
      "C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" Add-MpPreference -ExclusionPath "C:\Users\Admin\AppData\Roaming\qzGnEvZffauf.exe"
      2⤵
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      PID:2524
    • C:\Windows\SysWOW64\schtasks.exe
      "C:\Windows\System32\schtasks.exe" /Create /TN "Updates\qzGnEvZffauf" /XML "C:\Users\Admin\AppData\Local\Temp\tmpF47C.tmp"
      2⤵
      • Creates scheduled task(s)
      PID:2676
    • C:\Users\Admin\AppData\Local\Temp\e8c89752942b8011820e9d04753700eb70f77a8701796ef7e826399cf889f9ec_JC.exe
      "C:\Users\Admin\AppData\Local\Temp\e8c89752942b8011820e9d04753700eb70f77a8701796ef7e826399cf889f9ec_JC.exe"
      2⤵
      • Accesses Microsoft Outlook profiles
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      • outlook_office_path
      • outlook_win_path
      PID:3064

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

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Downloads

  • C:\Users\Admin\AppData\Local\Temp\tmpF47C.tmp

    Filesize

    1KB

    MD5

    0fcec64a8dfb0b142815028addba0a6a

    SHA1

    d3d7c3c7b8bccdebe895818894c61ef2d51089e8

    SHA256

    27bf7f18526f7a44db15dfbe25255fc5dc7566fea1021c3b84a69203b48109c4

    SHA512

    cb07cb825457a6883ad60d30829c65dff0b12a43e9ac7093559d6eb13a7c09a5dcdbf7328fff26ac5ee5345d9ab006f9e3dd9b707abd2d73e16503a4ea9aca15

  • C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Recent\CustomDestinations\YZJ7PG68YOSVJLCHUVSF.temp

    Filesize

    7KB

    MD5

    5f1bb3c20b7d71a6612c767f3f2bce77

    SHA1

    d29e3923bd2cc78c5b509d084f654660578a42bc

    SHA256

    73597266dbef1706a9c2048174a18a23208fa1fe17eff70d19b4e30f539be3c2

    SHA512

    f14ea63034aa11cab350d392a1268520432f912f1653b948b0d7a21ac1aa1c372f900430ddfbf236fdb48ba534046bb77a0945c4fee9710eec09350e755ba13c

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

    Filesize

    7KB

    MD5

    5f1bb3c20b7d71a6612c767f3f2bce77

    SHA1

    d29e3923bd2cc78c5b509d084f654660578a42bc

    SHA256

    73597266dbef1706a9c2048174a18a23208fa1fe17eff70d19b4e30f539be3c2

    SHA512

    f14ea63034aa11cab350d392a1268520432f912f1653b948b0d7a21ac1aa1c372f900430ddfbf236fdb48ba534046bb77a0945c4fee9710eec09350e755ba13c

  • memory/2440-4-0x00000000748D0000-0x0000000074FBE000-memory.dmp

    Filesize

    6.9MB

  • memory/2440-35-0x00000000748D0000-0x0000000074FBE000-memory.dmp

    Filesize

    6.9MB

  • memory/2440-5-0x0000000004B60000-0x0000000004BA0000-memory.dmp

    Filesize

    256KB

  • memory/2440-6-0x00000000005A0000-0x00000000005AE000-memory.dmp

    Filesize

    56KB

  • memory/2440-7-0x0000000005740000-0x00000000057AA000-memory.dmp

    Filesize

    424KB

  • memory/2440-3-0x00000000004C0000-0x00000000004D4000-memory.dmp

    Filesize

    80KB

  • memory/2440-2-0x0000000004B60000-0x0000000004BA0000-memory.dmp

    Filesize

    256KB

  • memory/2440-1-0x00000000748D0000-0x0000000074FBE000-memory.dmp

    Filesize

    6.9MB

  • memory/2440-0-0x0000000001140000-0x00000000011D2000-memory.dmp

    Filesize

    584KB

  • memory/2524-45-0x000000006F460000-0x000000006FA0B000-memory.dmp

    Filesize

    5.7MB

  • memory/2524-42-0x0000000001FA0000-0x0000000001FE0000-memory.dmp

    Filesize

    256KB

  • memory/2524-39-0x000000006F460000-0x000000006FA0B000-memory.dmp

    Filesize

    5.7MB

  • memory/2524-37-0x000000006F460000-0x000000006FA0B000-memory.dmp

    Filesize

    5.7MB

  • memory/2688-40-0x000000006F460000-0x000000006FA0B000-memory.dmp

    Filesize

    5.7MB

  • memory/2688-38-0x0000000002590000-0x00000000025D0000-memory.dmp

    Filesize

    256KB

  • memory/2688-46-0x000000006F460000-0x000000006FA0B000-memory.dmp

    Filesize

    5.7MB

  • memory/2688-43-0x0000000002590000-0x00000000025D0000-memory.dmp

    Filesize

    256KB

  • memory/2688-36-0x000000006F460000-0x000000006FA0B000-memory.dmp

    Filesize

    5.7MB

  • memory/3064-26-0x0000000000400000-0x0000000000430000-memory.dmp

    Filesize

    192KB

  • memory/3064-28-0x000000007EFDE000-0x000000007EFDF000-memory.dmp

    Filesize

    4KB

  • memory/3064-32-0x0000000000400000-0x0000000000430000-memory.dmp

    Filesize

    192KB

  • memory/3064-24-0x0000000000400000-0x0000000000430000-memory.dmp

    Filesize

    192KB

  • memory/3064-41-0x00000000748D0000-0x0000000074FBE000-memory.dmp

    Filesize

    6.9MB

  • memory/3064-20-0x0000000000400000-0x0000000000430000-memory.dmp

    Filesize

    192KB

  • memory/3064-30-0x0000000000400000-0x0000000000430000-memory.dmp

    Filesize

    192KB

  • memory/3064-44-0x0000000000380000-0x00000000003C0000-memory.dmp

    Filesize

    256KB

  • memory/3064-22-0x0000000000400000-0x0000000000430000-memory.dmp

    Filesize

    192KB

  • memory/3064-34-0x0000000000400000-0x0000000000430000-memory.dmp

    Filesize

    192KB

  • memory/3064-47-0x00000000748D0000-0x0000000074FBE000-memory.dmp

    Filesize

    6.9MB