Analysis

  • max time kernel
    145s
  • max time network
    146s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20231130-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20231130-enlocale:en-usos:windows10-2004-x64system
  • submitted
    07-12-2023 19:25

General

  • Target

    07463687693e68947b76ead68ae75f764649c80725f4914cde0eaf0d1c4644d7exe.exe

  • Size

    639KB

  • MD5

    e00ea5e1e1b9b1f8a63cb79f7c870359

  • SHA1

    dce9d736e1e7865b925a6e77977440528fc77579

  • SHA256

    07463687693e68947b76ead68ae75f764649c80725f4914cde0eaf0d1c4644d7

  • SHA512

    427de637a2676e021654b3932095299e6674802db562532802bdcfc1eb7747121ca6608c61b4e4e3388293ae10f8d43ebc6fc34ccd23cdd1caf457cc912ac609

  • SSDEEP

    12288:g97QaueH5qXSFVWKmcLht4aNkWOJGx4gW8POHnUbVvaoL:g9ZqAUeht4OxekAUByo

Malware Config

Extracted

Family

agenttesla

Credentials

Signatures

  • AgentTesla

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

  • Checks computer location settings 2 TTPs 1 IoCs

    Looks up country code configured in the registry, likely geofence.

  • Adds Run key to start application 2 TTPs 1 IoCs
  • Suspicious use of SetThreadContext 1 IoCs
  • Enumerates physical storage devices 1 TTPs

    Attempts to interact with connected storage/optical drive(s).

  • Program crash 1 IoCs
  • 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 17 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\07463687693e68947b76ead68ae75f764649c80725f4914cde0eaf0d1c4644d7exe.exe
    "C:\Users\Admin\AppData\Local\Temp\07463687693e68947b76ead68ae75f764649c80725f4914cde0eaf0d1c4644d7exe.exe"
    1⤵
    • Checks computer location settings
    • Suspicious use of SetThreadContext
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of WriteProcessMemory
    PID:1524
    • 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\07463687693e68947b76ead68ae75f764649c80725f4914cde0eaf0d1c4644d7exe.exe"
      2⤵
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      PID:4796
    • C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe
      "C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" Add-MpPreference -ExclusionPath "C:\Users\Admin\AppData\Roaming\CombpHV.exe"
      2⤵
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      PID:1312
    • C:\Windows\SysWOW64\schtasks.exe
      "C:\Windows\System32\schtasks.exe" /Create /TN "Updates\CombpHV" /XML "C:\Users\Admin\AppData\Local\Temp\tmpA037.tmp"
      2⤵
      • Creates scheduled task(s)
      PID:2088
    • 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:2292
      • C:\Windows\SysWOW64\WerFault.exe
        C:\Windows\SysWOW64\WerFault.exe -u -p 2292 -s 1440
        3⤵
        • Program crash
        PID:4976
  • C:\Windows\SysWOW64\WerFault.exe
    C:\Windows\SysWOW64\WerFault.exe -pss -s 440 -p 2292 -ip 2292
    1⤵
      PID:4924

    Network

    MITRE ATT&CK Enterprise v15

    Replay Monitor

    Loading Replay Monitor...

    Downloads

    • C:\Users\Admin\AppData\Local\Microsoft\CLR_v4.0_32\UsageLogs\powershell.exe.log

      Filesize

      2KB

      MD5

      968cb9309758126772781b83adb8a28f

      SHA1

      8da30e71accf186b2ba11da1797cf67f8f78b47c

      SHA256

      92099c10776bb7e3f2a8d1b82d4d40d0c4627e4f1bf754a6e58dfd2c2e97042a

      SHA512

      4bd50732f8af4d688d95999bddfd296115d7033ddc38f86c9fb1f47fde202bffa27e9088bebcaa3064ca946af2f5c1ca6cbde49d0907f0005c7ab42874515dd3

    • C:\Users\Admin\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-NonInteractive

      Filesize

      18KB

      MD5

      581a8350e18e31c752ee1a8e8f704854

      SHA1

      a84657d8816b0c3c43fd225531eacef5a6964e29

      SHA256

      96f992cb69d837c66eb719baf1cae36a71107d8d83a98a1771ba2bf4dff800fc

      SHA512

      d28b7283d24d6d6b5c658b9fc440fdf2fb95281f3908cb91ba59440f6b61b241e2326cd049a41c5c47992124633539dad48f9196d341537dc8f030b28b49cd62

    • C:\Users\Admin\AppData\Local\Temp\__PSScriptPolicyTest_rrluksdd.wxm.ps1

      Filesize

      60B

      MD5

      d17fe0a3f47be24a6453e9ef58c94641

      SHA1

      6ab83620379fc69f80c0242105ddffd7d98d5d9d

      SHA256

      96ad1146eb96877eab5942ae0736b82d8b5e2039a80d3d6932665c1a4c87dcf7

      SHA512

      5b592e58f26c264604f98f6aa12860758ce606d1c63220736cf0c779e4e18e3cec8706930a16c38b20161754d1017d1657d35258e58ca22b18f5b232880dec82

    • C:\Users\Admin\AppData\Local\Temp\tmpA037.tmp

      Filesize

      1KB

      MD5

      68f1a29e7c1ca73ffb2faa765debaa82

      SHA1

      edb2ae493c400d4c7f83a826ebdb52ccc93fb676

      SHA256

      350e8354324ac07c6f992cb3e61fcf6ab2642fab47abcaed850579f5d4a0c80c

      SHA512

      6f2d7e9222c318263b42e73c2fb0348b064a8a5698b23c0fdd462f08b9c0372b7faa6b92b0fe0090e74a0910ffb85bbb616ffb2441f142225a1787a4566ff9c7

    • memory/1312-69-0x0000000006910000-0x000000000692E000-memory.dmp

      Filesize

      120KB

    • memory/1312-56-0x000000007F0C0000-0x000000007F0D0000-memory.dmp

      Filesize

      64KB

    • memory/1312-86-0x00000000078E0000-0x00000000078F1000-memory.dmp

      Filesize

      68KB

    • memory/1312-84-0x0000000007750000-0x000000000775A000-memory.dmp

      Filesize

      40KB

    • memory/1312-82-0x0000000007D20000-0x000000000839A000-memory.dmp

      Filesize

      6.5MB

    • memory/1312-55-0x00000000073B0000-0x00000000073E2000-memory.dmp

      Filesize

      200KB

    • memory/1312-25-0x00000000052F0000-0x0000000005312000-memory.dmp

      Filesize

      136KB

    • memory/1312-78-0x0000000004F10000-0x0000000004F20000-memory.dmp

      Filesize

      64KB

    • memory/1312-58-0x0000000075660000-0x00000000756AC000-memory.dmp

      Filesize

      304KB

    • memory/1312-88-0x0000000007920000-0x0000000007934000-memory.dmp

      Filesize

      80KB

    • memory/1312-54-0x0000000006990000-0x00000000069DC000-memory.dmp

      Filesize

      304KB

    • memory/1312-47-0x0000000005FB0000-0x0000000006304000-memory.dmp

      Filesize

      3.3MB

    • memory/1312-90-0x0000000007A20000-0x0000000007A3A000-memory.dmp

      Filesize

      104KB

    • memory/1312-99-0x0000000074E00000-0x00000000755B0000-memory.dmp

      Filesize

      7.7MB

    • memory/1312-22-0x0000000074E00000-0x00000000755B0000-memory.dmp

      Filesize

      7.7MB

    • memory/1312-23-0x0000000004F10000-0x0000000004F20000-memory.dmp

      Filesize

      64KB

    • memory/1312-24-0x0000000004F10000-0x0000000004F20000-memory.dmp

      Filesize

      64KB

    • memory/1524-51-0x0000000074E00000-0x00000000755B0000-memory.dmp

      Filesize

      7.7MB

    • memory/1524-11-0x0000000074E00000-0x00000000755B0000-memory.dmp

      Filesize

      7.7MB

    • memory/1524-1-0x0000000074E00000-0x00000000755B0000-memory.dmp

      Filesize

      7.7MB

    • memory/1524-2-0x0000000004EB0000-0x0000000005454000-memory.dmp

      Filesize

      5.6MB

    • memory/1524-3-0x00000000049A0000-0x0000000004A32000-memory.dmp

      Filesize

      584KB

    • memory/1524-4-0x0000000004940000-0x0000000004950000-memory.dmp

      Filesize

      64KB

    • memory/1524-5-0x0000000004C40000-0x0000000004C4A000-memory.dmp

      Filesize

      40KB

    • memory/1524-0-0x0000000000010000-0x00000000000B4000-memory.dmp

      Filesize

      656KB

    • memory/1524-6-0x0000000004E90000-0x0000000004EAA000-memory.dmp

      Filesize

      104KB

    • memory/1524-7-0x0000000005C70000-0x0000000005C78000-memory.dmp

      Filesize

      32KB

    • memory/1524-8-0x0000000005C80000-0x0000000005C8A000-memory.dmp

      Filesize

      40KB

    • memory/1524-9-0x00000000060D0000-0x000000000614C000-memory.dmp

      Filesize

      496KB

    • memory/1524-16-0x0000000004940000-0x0000000004950000-memory.dmp

      Filesize

      64KB

    • memory/1524-10-0x0000000008670000-0x000000000870C000-memory.dmp

      Filesize

      624KB

    • memory/2292-50-0x0000000074E00000-0x00000000755B0000-memory.dmp

      Filesize

      7.7MB

    • memory/2292-52-0x0000000005820000-0x0000000005830000-memory.dmp

      Filesize

      64KB

    • memory/2292-100-0x0000000074E00000-0x00000000755B0000-memory.dmp

      Filesize

      7.7MB

    • memory/2292-48-0x0000000000400000-0x0000000000442000-memory.dmp

      Filesize

      264KB

    • memory/4796-19-0x0000000002910000-0x0000000002920000-memory.dmp

      Filesize

      64KB

    • memory/4796-18-0x0000000074E00000-0x00000000755B0000-memory.dmp

      Filesize

      7.7MB

    • memory/4796-59-0x0000000075660000-0x00000000756AC000-memory.dmp

      Filesize

      304KB

    • memory/4796-83-0x00000000075B0000-0x00000000075CA000-memory.dmp

      Filesize

      104KB

    • memory/4796-53-0x0000000006270000-0x000000000628E000-memory.dmp

      Filesize

      120KB

    • memory/4796-31-0x0000000005B90000-0x0000000005BF6000-memory.dmp

      Filesize

      408KB

    • memory/4796-85-0x0000000007830000-0x00000000078C6000-memory.dmp

      Filesize

      600KB

    • memory/4796-17-0x0000000002970000-0x00000000029A6000-memory.dmp

      Filesize

      216KB

    • memory/4796-87-0x00000000077E0000-0x00000000077EE000-memory.dmp

      Filesize

      56KB

    • memory/4796-57-0x000000007F550000-0x000000007F560000-memory.dmp

      Filesize

      64KB

    • memory/4796-81-0x0000000007490000-0x0000000007533000-memory.dmp

      Filesize

      652KB

    • memory/4796-91-0x00000000078D0000-0x00000000078D8000-memory.dmp

      Filesize

      32KB

    • memory/4796-20-0x0000000002910000-0x0000000002920000-memory.dmp

      Filesize

      64KB

    • memory/4796-32-0x0000000005C70000-0x0000000005CD6000-memory.dmp

      Filesize

      408KB

    • memory/4796-98-0x0000000074E00000-0x00000000755B0000-memory.dmp

      Filesize

      7.7MB

    • memory/4796-21-0x0000000005380000-0x00000000059A8000-memory.dmp

      Filesize

      6.2MB

    • memory/4796-80-0x0000000002910000-0x0000000002920000-memory.dmp

      Filesize

      64KB