Analysis

  • max time kernel
    123s
  • max time network
    134s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20231127-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20231127-enlocale:en-usos:windows10-2004-x64system
  • submitted
    01-12-2023 10:44

General

  • Target

    payment overdue (2).exe

  • Size

    837KB

  • MD5

    13e7ae190b0ab1250c199ac339217231

  • SHA1

    625b25670a86a8b9a7808d226919dec2a224339f

  • SHA256

    951f66b51f796de5f9298aa1f97c49e392083f6b570fb31df72610999fb50769

  • SHA512

    4eda095b17e782f4cc8ed58379d1787928e4fb32899069c48fbddc972e203c61cb93d9ffd1d7fb5220c7da3614814a75f7f42068480d707f60f1a8f11a2e438e

  • SSDEEP

    12288:yvmSJD+IFgicSDKNfGAIko3cajHh84/dUNMgBe9+hXpKm0qE+Fq:YmSJD1ZctNbIko3c684KiKhXQ2

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.

  • 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 8 IoCs
  • Suspicious use of AdjustPrivilegeToken 4 IoCs
  • Suspicious use of WriteProcessMemory 20 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\payment overdue (2).exe
    "C:\Users\Admin\AppData\Local\Temp\payment overdue (2).exe"
    1⤵
    • Checks computer location settings
    • Suspicious use of SetThreadContext
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of WriteProcessMemory
    PID:4676
    • 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\payment overdue (2).exe"
      2⤵
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      PID:4120
    • C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe
      "C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" Add-MpPreference -ExclusionPath "C:\Users\Admin\AppData\Roaming\fiozYLdPAfrHi.exe"
      2⤵
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      PID:2644
    • C:\Windows\SysWOW64\schtasks.exe
      "C:\Windows\System32\schtasks.exe" /Create /TN "Updates\fiozYLdPAfrHi" /XML "C:\Users\Admin\AppData\Local\Temp\tmpF1E.tmp"
      2⤵
      • Creates scheduled task(s)
      PID:4564
    • C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegSvcs.exe
      "C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegSvcs.exe"
      2⤵
        PID:1160
      • C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegSvcs.exe
        "C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegSvcs.exe"
        2⤵
        • Suspicious behavior: EnumeratesProcesses
        • Suspicious use of AdjustPrivilegeToken
        PID:3096
        • C:\Windows\SysWOW64\WerFault.exe
          C:\Windows\SysWOW64\WerFault.exe -u -p 3096 -s 1416
          3⤵
          • Program crash
          PID:1148
    • C:\Windows\SysWOW64\WerFault.exe
      C:\Windows\SysWOW64\WerFault.exe -pss -s 436 -p 3096 -ip 3096
      1⤵
        PID:3020

      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

        664B

        MD5

        3c8d235f682377b656a555559fb4b22c

        SHA1

        51bf82414f62b171a44ce68915ff375cb9380ba8

        SHA256

        a757ae3620d47b3545c4572e61263a77d0e8efd36577a5099115908d86f29e36

        SHA512

        012e3a4fa57bd457972aa6e4cc459a190c4786aa63942271a10d44cf59db46a2907135a323a557e9ef9746194cf879df59cb1863460a56f46cff717c126e340e

      • C:\Users\Admin\AppData\Local\Temp\__PSScriptPolicyTest_fc51z002.5oq.ps1

        Filesize

        60B

        MD5

        d17fe0a3f47be24a6453e9ef58c94641

        SHA1

        6ab83620379fc69f80c0242105ddffd7d98d5d9d

        SHA256

        96ad1146eb96877eab5942ae0736b82d8b5e2039a80d3d6932665c1a4c87dcf7

        SHA512

        5b592e58f26c264604f98f6aa12860758ce606d1c63220736cf0c779e4e18e3cec8706930a16c38b20161754d1017d1657d35258e58ca22b18f5b232880dec82

      • C:\Users\Admin\AppData\Local\Temp\tmpF1E.tmp

        Filesize

        1KB

        MD5

        81ced40541bf24bbf6fa11dd18f990a1

        SHA1

        1a3f809507f88130a270868e224332d7b55c8d63

        SHA256

        5ad5273d8ec0807dc75395ab17fb687d7bc602f39f81f20926b0602b40cb31e4

        SHA512

        d63c108d0c304bc97ff6400862b14370ff86b7e3240447ef46f23b76b3c1ceaa4bc34b463d9620d8378533923106c50304ead6bc97f6bebbee443233e86370fa

      • memory/2644-58-0x0000000071A50000-0x0000000071A9C000-memory.dmp

        Filesize

        304KB

      • memory/2644-54-0x0000000002D70000-0x0000000002D80000-memory.dmp

        Filesize

        64KB

      • memory/2644-86-0x0000000007AD0000-0x0000000007ADE000-memory.dmp

        Filesize

        56KB

      • memory/2644-84-0x0000000007B20000-0x0000000007BB6000-memory.dmp

        Filesize

        600KB

      • memory/2644-82-0x00000000078A0000-0x00000000078BA000-memory.dmp

        Filesize

        104KB

      • memory/2644-81-0x0000000007EE0000-0x000000000855A000-memory.dmp

        Filesize

        6.5MB

      • memory/2644-69-0x0000000007790000-0x0000000007833000-memory.dmp

        Filesize

        652KB

      • memory/2644-68-0x0000000006B10000-0x0000000006B2E000-memory.dmp

        Filesize

        120KB

      • memory/2644-46-0x00000000060B0000-0x0000000006404000-memory.dmp

        Filesize

        3.3MB

      • memory/2644-57-0x000000007F760000-0x000000007F770000-memory.dmp

        Filesize

        64KB

      • memory/2644-56-0x0000000007550000-0x0000000007582000-memory.dmp

        Filesize

        200KB

      • memory/2644-89-0x0000000007BC0000-0x0000000007BC8000-memory.dmp

        Filesize

        32KB

      • memory/2644-53-0x00000000065E0000-0x000000000662C000-memory.dmp

        Filesize

        304KB

      • memory/2644-21-0x0000000075260000-0x0000000075A10000-memory.dmp

        Filesize

        7.7MB

      • memory/2644-23-0x0000000002D70000-0x0000000002D80000-memory.dmp

        Filesize

        64KB

      • memory/2644-22-0x0000000002D70000-0x0000000002D80000-memory.dmp

        Filesize

        64KB

      • memory/2644-51-0x0000000006590000-0x00000000065AE000-memory.dmp

        Filesize

        120KB

      • memory/2644-97-0x0000000075260000-0x0000000075A10000-memory.dmp

        Filesize

        7.7MB

      • memory/3096-98-0x0000000075260000-0x0000000075A10000-memory.dmp

        Filesize

        7.7MB

      • memory/3096-52-0x0000000005770000-0x0000000005780000-memory.dmp

        Filesize

        64KB

      • memory/3096-49-0x0000000075260000-0x0000000075A10000-memory.dmp

        Filesize

        7.7MB

      • memory/3096-47-0x0000000000400000-0x0000000000442000-memory.dmp

        Filesize

        264KB

      • memory/4120-18-0x0000000001380000-0x0000000001390000-memory.dmp

        Filesize

        64KB

      • memory/4120-55-0x0000000001380000-0x0000000001390000-memory.dmp

        Filesize

        64KB

      • memory/4120-96-0x0000000075260000-0x0000000075A10000-memory.dmp

        Filesize

        7.7MB

      • memory/4120-32-0x0000000005F00000-0x0000000005F66000-memory.dmp

        Filesize

        408KB

      • memory/4120-25-0x0000000005D80000-0x0000000005DA2000-memory.dmp

        Filesize

        136KB

      • memory/4120-88-0x0000000007B90000-0x0000000007BAA000-memory.dmp

        Filesize

        104KB

      • memory/4120-19-0x0000000005690000-0x0000000005CB8000-memory.dmp

        Filesize

        6.2MB

      • memory/4120-83-0x00000000078D0000-0x00000000078DA000-memory.dmp

        Filesize

        40KB

      • memory/4120-26-0x0000000005E20000-0x0000000005E86000-memory.dmp

        Filesize

        408KB

      • memory/4120-17-0x0000000075260000-0x0000000075A10000-memory.dmp

        Filesize

        7.7MB

      • memory/4120-87-0x0000000007AA0000-0x0000000007AB4000-memory.dmp

        Filesize

        80KB

      • memory/4120-15-0x0000000002C30000-0x0000000002C66000-memory.dmp

        Filesize

        216KB

      • memory/4120-85-0x0000000007A60000-0x0000000007A71000-memory.dmp

        Filesize

        68KB

      • memory/4120-70-0x000000007F9F0000-0x000000007FA00000-memory.dmp

        Filesize

        64KB

      • memory/4120-71-0x0000000071A50000-0x0000000071A9C000-memory.dmp

        Filesize

        304KB

      • memory/4676-0-0x0000000000410000-0x00000000004E6000-memory.dmp

        Filesize

        856KB

      • memory/4676-8-0x0000000005030000-0x000000000503A000-memory.dmp

        Filesize

        40KB

      • memory/4676-9-0x00000000064F0000-0x000000000656A000-memory.dmp

        Filesize

        488KB

      • memory/4676-7-0x0000000005020000-0x0000000005028000-memory.dmp

        Filesize

        32KB

      • memory/4676-10-0x0000000008DB0000-0x0000000008E4C000-memory.dmp

        Filesize

        624KB

      • memory/4676-6-0x0000000005010000-0x0000000005026000-memory.dmp

        Filesize

        88KB

      • memory/4676-16-0x0000000075260000-0x0000000075A10000-memory.dmp

        Filesize

        7.7MB

      • memory/4676-20-0x00000000050A0000-0x00000000050B0000-memory.dmp

        Filesize

        64KB

      • memory/4676-5-0x0000000004F30000-0x0000000004F3A000-memory.dmp

        Filesize

        40KB

      • memory/4676-4-0x00000000050A0000-0x00000000050B0000-memory.dmp

        Filesize

        64KB

      • memory/4676-3-0x0000000004E80000-0x0000000004F12000-memory.dmp

        Filesize

        584KB

      • memory/4676-2-0x0000000005540000-0x0000000005AE4000-memory.dmp

        Filesize

        5.6MB

      • memory/4676-50-0x0000000075260000-0x0000000075A10000-memory.dmp

        Filesize

        7.7MB

      • memory/4676-1-0x0000000075260000-0x0000000075A10000-memory.dmp

        Filesize

        7.7MB