Analysis

  • max time kernel
    119s
  • max time network
    121s
  • platform
    windows7_x64
  • resource
    win7-20231201-en
  • resource tags

    arch:x64arch:x86image:win7-20231201-enlocale:en-usos:windows7-x64system
  • submitted
    07-12-2023 19:23

General

  • Target

    a212cb057ef247f50d13b60031f5ef2527f1d86c79628a7d3d8bc328cbe1ccf6exe.exe

  • Size

    565KB

  • MD5

    e45e292ee1302005225b8ee245018cc8

  • SHA1

    5dd2b9ee3d84b40e7d4aecc5cc068367729e88ea

  • SHA256

    a212cb057ef247f50d13b60031f5ef2527f1d86c79628a7d3d8bc328cbe1ccf6

  • SHA512

    a3d6cc6975682344ba35345a19df338ef753055ab3be22f6687c7a090846d980af98dcee76741134ddb82e09b2c48df9d11d1e66bfee6e10d710c146e679621b

  • SSDEEP

    12288:h2AQaueH5q8IDUKiAhTM1cJ3lfi5EIKqi+6u4UXrcbyyEAo:h2EqxDXhTM+xlLIpiM4UQ9E

Malware Config

Extracted

Family

agenttesla

Credentials

Signatures

  • AgentTesla

    Agent Tesla is a remote access tool (RAT) written in visual basic.

  • 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 8 IoCs
  • Suspicious use of AdjustPrivilegeToken 4 IoCs
  • Suspicious use of WriteProcessMemory 24 IoCs
  • outlook_office_path 1 IoCs
  • outlook_win_path 1 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\a212cb057ef247f50d13b60031f5ef2527f1d86c79628a7d3d8bc328cbe1ccf6exe.exe
    "C:\Users\Admin\AppData\Local\Temp\a212cb057ef247f50d13b60031f5ef2527f1d86c79628a7d3d8bc328cbe1ccf6exe.exe"
    1⤵
    • Suspicious use of SetThreadContext
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of WriteProcessMemory
    PID:2404
    • 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\a212cb057ef247f50d13b60031f5ef2527f1d86c79628a7d3d8bc328cbe1ccf6exe.exe"
      2⤵
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      PID:2376
    • C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe
      "C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" Add-MpPreference -ExclusionPath "C:\Users\Admin\AppData\Roaming\UZZTTFhFFwXETf.exe"
      2⤵
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      PID:2812
    • C:\Windows\SysWOW64\schtasks.exe
      "C:\Windows\System32\schtasks.exe" /Create /TN "Updates\UZZTTFhFFwXETf" /XML "C:\Users\Admin\AppData\Local\Temp\tmp646E.tmp"
      2⤵
      • Creates scheduled task(s)
      PID:2840
    • C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegSvcs.exe
      "C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegSvcs.exe"
      2⤵
      • Accesses Microsoft Outlook profiles
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      • outlook_office_path
      • outlook_win_path
      PID:2960

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

Loading Replay Monitor...

Downloads

  • C:\Users\Admin\AppData\Local\Temp\tmp646E.tmp

    Filesize

    1KB

    MD5

    297be3e362e8a9f54f0494d8383d0293

    SHA1

    c8edc200cfdd89736e56f5a28d02b06deb787079

    SHA256

    8024b1dd13b152ba87800ddb4e1779f8c9046bc641c2b0c6315651c0d205868c

    SHA512

    95c06bcb5b5368be89e5b193f081b4f9141ebbd367f304f2adb870afcf799eccbdabf2bf906d8efca8a1963161f05176d8a6a507ef66afbadbbc0c9e387f0000

  • C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Recent\CustomDestinations\RKFVRZ93K4J607SA99DW.temp

    Filesize

    7KB

    MD5

    0ce9914d43ce42cbbbe790c6255eb828

    SHA1

    0665c724ac45d6889da99d38a176641b41da17b2

    SHA256

    058343358fad35925d2f9ad120036af1ec95900144ae37fef4b40b7c76052314

    SHA512

    9ebee7a92707cf814edec8a0d0f4d524649a5b4163ef211f4fa9fc6eabce6e84478b0846e2c044f8348b3cf7854f5d13f99e4df3aabd73bf06a2e6e547c6fb48

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

    Filesize

    7KB

    MD5

    0ce9914d43ce42cbbbe790c6255eb828

    SHA1

    0665c724ac45d6889da99d38a176641b41da17b2

    SHA256

    058343358fad35925d2f9ad120036af1ec95900144ae37fef4b40b7c76052314

    SHA512

    9ebee7a92707cf814edec8a0d0f4d524649a5b4163ef211f4fa9fc6eabce6e84478b0846e2c044f8348b3cf7854f5d13f99e4df3aabd73bf06a2e6e547c6fb48

  • memory/2376-42-0x0000000002A80000-0x0000000002AC0000-memory.dmp

    Filesize

    256KB

  • memory/2376-41-0x000000006EE10000-0x000000006F3BB000-memory.dmp

    Filesize

    5.7MB

  • memory/2376-39-0x0000000002A80000-0x0000000002AC0000-memory.dmp

    Filesize

    256KB

  • memory/2376-37-0x000000006EE10000-0x000000006F3BB000-memory.dmp

    Filesize

    5.7MB

  • memory/2376-47-0x000000006EE10000-0x000000006F3BB000-memory.dmp

    Filesize

    5.7MB

  • memory/2404-2-0x0000000004C90000-0x0000000004CD0000-memory.dmp

    Filesize

    256KB

  • memory/2404-5-0x0000000000580000-0x000000000058A000-memory.dmp

    Filesize

    40KB

  • memory/2404-20-0x00000000742C0000-0x00000000749AE000-memory.dmp

    Filesize

    6.9MB

  • memory/2404-35-0x00000000742C0000-0x00000000749AE000-memory.dmp

    Filesize

    6.9MB

  • memory/2404-3-0x00000000005D0000-0x00000000005EA000-memory.dmp

    Filesize

    104KB

  • memory/2404-6-0x0000000004BB0000-0x0000000004C1A000-memory.dmp

    Filesize

    424KB

  • memory/2404-4-0x0000000000560000-0x0000000000568000-memory.dmp

    Filesize

    32KB

  • memory/2404-1-0x00000000742C0000-0x00000000749AE000-memory.dmp

    Filesize

    6.9MB

  • memory/2404-0-0x0000000001040000-0x00000000010D2000-memory.dmp

    Filesize

    584KB

  • memory/2812-40-0x000000006EE10000-0x000000006F3BB000-memory.dmp

    Filesize

    5.7MB

  • memory/2812-43-0x0000000002E10000-0x0000000002E50000-memory.dmp

    Filesize

    256KB

  • memory/2812-38-0x0000000002E10000-0x0000000002E50000-memory.dmp

    Filesize

    256KB

  • memory/2812-36-0x000000006EE10000-0x000000006F3BB000-memory.dmp

    Filesize

    5.7MB

  • memory/2812-46-0x000000006EE10000-0x000000006F3BB000-memory.dmp

    Filesize

    5.7MB

  • memory/2960-19-0x0000000000400000-0x0000000000430000-memory.dmp

    Filesize

    192KB

  • memory/2960-49-0x0000000000A90000-0x0000000000AD0000-memory.dmp

    Filesize

    256KB

  • memory/2960-28-0x000000007EFDE000-0x000000007EFDF000-memory.dmp

    Filesize

    4KB

  • memory/2960-30-0x0000000000400000-0x0000000000430000-memory.dmp

    Filesize

    192KB

  • memory/2960-44-0x00000000742C0000-0x00000000749AE000-memory.dmp

    Filesize

    6.9MB

  • memory/2960-32-0x0000000000400000-0x0000000000430000-memory.dmp

    Filesize

    192KB

  • memory/2960-45-0x0000000000A90000-0x0000000000AD0000-memory.dmp

    Filesize

    256KB

  • memory/2960-34-0x0000000000400000-0x0000000000430000-memory.dmp

    Filesize

    192KB

  • memory/2960-22-0x0000000000400000-0x0000000000430000-memory.dmp

    Filesize

    192KB

  • memory/2960-24-0x0000000000400000-0x0000000000430000-memory.dmp

    Filesize

    192KB

  • memory/2960-48-0x00000000742C0000-0x00000000749AE000-memory.dmp

    Filesize

    6.9MB

  • memory/2960-26-0x0000000000400000-0x0000000000430000-memory.dmp

    Filesize

    192KB