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Analysis

  • max time kernel
    118s
  • max time network
    168s
  • platform
    windows7_x64
  • resource
    win7-20240221-en
  • resource tags

    arch:x64arch:x86image:win7-20240221-enlocale:en-usos:windows7-x64system
  • submitted
    17/04/2024, 13:48

General

  • Target

    e77c8ca31128a1a181b99a8234f39559854855d871d7abe167e004bb970e7f3c.exe

  • Size

    744KB

  • MD5

    596365c750c4f8e60a966e220e35e7d9

  • SHA1

    234b7114f19589e1768670361e2a4cd7328f8c75

  • SHA256

    e77c8ca31128a1a181b99a8234f39559854855d871d7abe167e004bb970e7f3c

  • SHA512

    5679cc3bca181e417de60f4f8c473a17445405eb32f0e37855111ba5f6b8a95cc22225628da8c0227078177342ad3f9a1b9c3b985e04aff086d0a7e626e20047

  • SSDEEP

    12288:akz4ayww0uLdzCeXEdFGpQCDsmIag2Sh7unpPcmg5I0i4DVlupWXAhT:UajazCe0dFoQQs55h7uVoG0dDVlup+

Malware Config

Extracted

Family

agenttesla

Credentials

Signatures

  • AgentTesla

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

  • 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 10 IoCs
  • Suspicious use of AdjustPrivilegeToken 4 IoCs
  • Suspicious use of WriteProcessMemory 24 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\e77c8ca31128a1a181b99a8234f39559854855d871d7abe167e004bb970e7f3c.exe
    "C:\Users\Admin\AppData\Local\Temp\e77c8ca31128a1a181b99a8234f39559854855d871d7abe167e004bb970e7f3c.exe"
    1⤵
    • Suspicious use of SetThreadContext
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of WriteProcessMemory
    PID:2736
    • 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\e77c8ca31128a1a181b99a8234f39559854855d871d7abe167e004bb970e7f3c.exe"
      2⤵
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      PID:2580
    • C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe
      "C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" Add-MpPreference -ExclusionPath "C:\Users\Admin\AppData\Roaming\ECXXCuFHUVw.exe"
      2⤵
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      PID:2416
    • C:\Windows\SysWOW64\schtasks.exe
      "C:\Windows\System32\schtasks.exe" /Create /TN "Updates\ECXXCuFHUVw" /XML "C:\Users\Admin\AppData\Local\Temp\tmpDC6.tmp"
      2⤵
      • Creates scheduled task(s)
      PID:2472
    • C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegSvcs.exe
      "C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegSvcs.exe"
      2⤵
      • Adds Run key to start application
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      PID:2704

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

Loading Replay Monitor...

Downloads

  • C:\Users\Admin\AppData\Local\Temp\tmpDC6.tmp

    Filesize

    1KB

    MD5

    3dcd066250452ec7abd2bc473293ccbe

    SHA1

    8a039f7df7997fb59340d481877b336d1d2a7121

    SHA256

    57001cf78183bbbe595838b78b095ca5717de8e1ef316750d305f61776edd684

    SHA512

    b36b55e971ad771af79b896e7f9c7aed1faa3e84cf0fccdafae48573fd21b510d80b578ee33dfbc0e34f64b9d9fdd233ae086abc04945ea84e30f7e07ff79644

  • C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Recent\CustomDestinations\D6MRKB3WGLTHTGPLEHHJ.temp

    Filesize

    7KB

    MD5

    fccdb29c623a192e1d73214796d4289c

    SHA1

    7ac7a8810796333f1f1f77648036653e59441f3d

    SHA256

    b3ae94214161d8e905b87e332bc6ec2abd4f5fa3da531a2f4599aef802ab7a2b

    SHA512

    9271d9c024cdedb24c38c7d0a517d56719d88a6ec9fb519f80eca613cf51b64a033b7e590f763e09f950327efc096b26a9cd7292d4dd1c41836d0466ca6dcaa5

  • memory/2416-46-0x000000006E390000-0x000000006E93B000-memory.dmp

    Filesize

    5.7MB

  • memory/2416-43-0x00000000027D0000-0x0000000002810000-memory.dmp

    Filesize

    256KB

  • memory/2416-40-0x00000000027D0000-0x0000000002810000-memory.dmp

    Filesize

    256KB

  • memory/2416-36-0x000000006E390000-0x000000006E93B000-memory.dmp

    Filesize

    5.7MB

  • memory/2580-34-0x000000006E390000-0x000000006E93B000-memory.dmp

    Filesize

    5.7MB

  • memory/2580-45-0x000000006E390000-0x000000006E93B000-memory.dmp

    Filesize

    5.7MB

  • memory/2580-44-0x00000000027C0000-0x0000000002800000-memory.dmp

    Filesize

    256KB

  • memory/2580-41-0x00000000027C0000-0x0000000002800000-memory.dmp

    Filesize

    256KB

  • memory/2580-39-0x000000006E390000-0x000000006E93B000-memory.dmp

    Filesize

    5.7MB

  • memory/2580-38-0x00000000027C0000-0x0000000002800000-memory.dmp

    Filesize

    256KB

  • memory/2704-28-0x000000007EFDE000-0x000000007EFDF000-memory.dmp

    Filesize

    4KB

  • memory/2704-42-0x0000000073570000-0x0000000073C5E000-memory.dmp

    Filesize

    6.9MB

  • memory/2704-48-0x0000000073570000-0x0000000073C5E000-memory.dmp

    Filesize

    6.9MB

  • memory/2704-30-0x0000000000400000-0x0000000000442000-memory.dmp

    Filesize

    264KB

  • memory/2704-32-0x0000000000400000-0x0000000000442000-memory.dmp

    Filesize

    264KB

  • memory/2704-26-0x0000000000400000-0x0000000000442000-memory.dmp

    Filesize

    264KB

  • memory/2704-24-0x0000000000400000-0x0000000000442000-memory.dmp

    Filesize

    264KB

  • memory/2704-37-0x0000000000400000-0x0000000000442000-memory.dmp

    Filesize

    264KB

  • memory/2704-22-0x0000000000400000-0x0000000000442000-memory.dmp

    Filesize

    264KB

  • memory/2704-20-0x0000000000400000-0x0000000000442000-memory.dmp

    Filesize

    264KB

  • memory/2736-19-0x0000000004C70000-0x0000000004CB0000-memory.dmp

    Filesize

    256KB

  • memory/2736-11-0x0000000074870000-0x0000000074F5E000-memory.dmp

    Filesize

    6.9MB

  • memory/2736-5-0x00000000053A0000-0x0000000005422000-memory.dmp

    Filesize

    520KB

  • memory/2736-35-0x0000000074870000-0x0000000074F5E000-memory.dmp

    Filesize

    6.9MB

  • memory/2736-4-0x0000000000500000-0x000000000050C000-memory.dmp

    Filesize

    48KB

  • memory/2736-3-0x00000000004E0000-0x00000000004F2000-memory.dmp

    Filesize

    72KB

  • memory/2736-2-0x0000000004C70000-0x0000000004CB0000-memory.dmp

    Filesize

    256KB

  • memory/2736-1-0x0000000074870000-0x0000000074F5E000-memory.dmp

    Filesize

    6.9MB

  • memory/2736-0-0x0000000001220000-0x00000000012E0000-memory.dmp

    Filesize

    768KB