Analysis

  • max time kernel
    86s
  • max time network
    149s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20231127-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20231127-enlocale:en-usos:windows10-2004-x64system
  • submitted
    05-12-2023 08:03

General

  • Target

    payment status.pdf.exe

  • Size

    1020KB

  • MD5

    95db39b63d249c820c8f4049e0f6cb47

  • SHA1

    c7aea8439dc96bdbedb2f6c132ec3507818b66c4

  • SHA256

    411b46ed90780c211a99c7b85b753aade4eb1d5e63f3172f0a8149edf109237a

  • SHA512

    1bfe8a034f2411498768819e2c4511f657512cf8fe51c7f868557e7a1e507ca08f514a01433261b5116232886546732151c1b1f17f7af742761f2ff3afbeab06

  • SSDEEP

    24576:HR34/up+pJCy9lInPiYgpcU7GPm8UXYz1q:x38PJCQ3IPqXV

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 9 IoCs
  • Suspicious use of AdjustPrivilegeToken 3 IoCs
  • Suspicious use of WriteProcessMemory 17 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\payment status.pdf.exe
    "C:\Users\Admin\AppData\Local\Temp\payment status.pdf.exe"
    1⤵
    • Checks computer location settings
    • Suspicious use of SetThreadContext
    • Suspicious use of WriteProcessMemory
    PID:4480
    • 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 status.pdf.exe"
      2⤵
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      PID:3112
    • C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe
      "C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" Add-MpPreference -ExclusionPath "C:\Users\Admin\AppData\Roaming\zcEARB.exe"
      2⤵
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      PID:4384
    • C:\Windows\SysWOW64\schtasks.exe
      "C:\Windows\System32\schtasks.exe" /Create /TN "Updates\zcEARB" /XML "C:\Users\Admin\AppData\Local\Temp\tmpD9D5.tmp"
      2⤵
      • Creates scheduled task(s)
      PID:3892
    • 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:2828
      • C:\Windows\SysWOW64\WerFault.exe
        C:\Windows\SysWOW64\WerFault.exe -u -p 2828 -s 1416
        3⤵
        • Program crash
        PID:4624
  • C:\Windows\SysWOW64\WerFault.exe
    C:\Windows\SysWOW64\WerFault.exe -pss -s 440 -p 2828 -ip 2828
    1⤵
      PID:4852

    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

      6587974b07a57cf3388223b6af2dbacb

      SHA1

      b8b4a4f18897bb5f06bf1da5eb0ef92595ddc233

      SHA256

      810f78195acc04b061bd5dd1716c7a0a6505574698c3e62492ccdc8e0c7464c4

      SHA512

      fe051ffaa755c68391b3b229b812a2ebf0c20fac2aa43d8f4e230fd17109bd22222849e70281fdd38c35311dce26c94cfac7bb26d3c02217f49f0aca731f6779

    • C:\Users\Admin\AppData\Local\Temp\__PSScriptPolicyTest_gpee5j4n.ryl.ps1

      Filesize

      60B

      MD5

      d17fe0a3f47be24a6453e9ef58c94641

      SHA1

      6ab83620379fc69f80c0242105ddffd7d98d5d9d

      SHA256

      96ad1146eb96877eab5942ae0736b82d8b5e2039a80d3d6932665c1a4c87dcf7

      SHA512

      5b592e58f26c264604f98f6aa12860758ce606d1c63220736cf0c779e4e18e3cec8706930a16c38b20161754d1017d1657d35258e58ca22b18f5b232880dec82

    • C:\Users\Admin\AppData\Local\Temp\tmpD9D5.tmp

      Filesize

      1KB

      MD5

      6f8f4502521261da44e35cec391e7bdc

      SHA1

      6f42245d06d1890242760ec5d620d8f009265021

      SHA256

      0421ede2de560bf98d910cd935f0d30525478753d880283eb91f30b244375e4d

      SHA512

      302a620b8d34dddb0388c50c41c3cadd217164adbd9f3023b7a488d1fe3bd75ceb9a8ba38d973036a508c3ac88fb80f10f4119dd388a58fc7e8e7503c9beb20d

    • memory/2828-85-0x0000000075330000-0x0000000075AE0000-memory.dmp

      Filesize

      7.7MB

    • memory/2828-41-0x00000000050B0000-0x00000000050C0000-memory.dmp

      Filesize

      64KB

    • memory/2828-34-0x0000000075330000-0x0000000075AE0000-memory.dmp

      Filesize

      7.7MB

    • memory/2828-25-0x0000000000400000-0x0000000000442000-memory.dmp

      Filesize

      264KB

    • memory/3112-35-0x0000000005950000-0x00000000059B6000-memory.dmp

      Filesize

      408KB

    • memory/3112-82-0x0000000007310000-0x000000000731A000-memory.dmp

      Filesize

      40KB

    • memory/3112-95-0x0000000075330000-0x0000000075AE0000-memory.dmp

      Filesize

      7.7MB

    • memory/3112-15-0x0000000002680000-0x00000000026B6000-memory.dmp

      Filesize

      216KB

    • memory/3112-89-0x00000000075C0000-0x00000000075C8000-memory.dmp

      Filesize

      32KB

    • memory/3112-17-0x0000000075330000-0x0000000075AE0000-memory.dmp

      Filesize

      7.7MB

    • memory/3112-18-0x0000000005080000-0x00000000056A8000-memory.dmp

      Filesize

      6.2MB

    • memory/3112-19-0x0000000002670000-0x0000000002680000-memory.dmp

      Filesize

      64KB

    • memory/3112-88-0x00000000075E0000-0x00000000075FA000-memory.dmp

      Filesize

      104KB

    • memory/3112-87-0x00000000074E0000-0x00000000074F4000-memory.dmp

      Filesize

      80KB

    • memory/3112-83-0x0000000007520000-0x00000000075B6000-memory.dmp

      Filesize

      600KB

    • memory/3112-81-0x00000000072A0000-0x00000000072BA000-memory.dmp

      Filesize

      104KB

    • memory/3112-22-0x0000000002670000-0x0000000002680000-memory.dmp

      Filesize

      64KB

    • memory/3112-80-0x00000000078E0000-0x0000000007F5A000-memory.dmp

      Filesize

      6.5MB

    • memory/3112-70-0x00000000064E0000-0x00000000064FE000-memory.dmp

      Filesize

      120KB

    • memory/3112-33-0x0000000005870000-0x00000000058D6000-memory.dmp

      Filesize

      408KB

    • memory/3112-58-0x0000000075B90000-0x0000000075BDC000-memory.dmp

      Filesize

      304KB

    • memory/3112-57-0x000000007F830000-0x000000007F840000-memory.dmp

      Filesize

      64KB

    • memory/3112-54-0x0000000002670000-0x0000000002680000-memory.dmp

      Filesize

      64KB

    • memory/3112-51-0x00000000059C0000-0x0000000005D14000-memory.dmp

      Filesize

      3.3MB

    • memory/4384-84-0x0000000007470000-0x0000000007481000-memory.dmp

      Filesize

      68KB

    • memory/4384-96-0x0000000075330000-0x0000000075AE0000-memory.dmp

      Filesize

      7.7MB

    • memory/4384-52-0x0000000005F60000-0x0000000005F7E000-memory.dmp

      Filesize

      120KB

    • memory/4384-53-0x00000000064F0000-0x000000000653C000-memory.dmp

      Filesize

      304KB

    • memory/4384-20-0x0000000075330000-0x0000000075AE0000-memory.dmp

      Filesize

      7.7MB

    • memory/4384-55-0x0000000004950000-0x0000000004960000-memory.dmp

      Filesize

      64KB

    • memory/4384-21-0x0000000004950000-0x0000000004960000-memory.dmp

      Filesize

      64KB

    • memory/4384-59-0x0000000075B90000-0x0000000075BDC000-memory.dmp

      Filesize

      304KB

    • memory/4384-27-0x00000000057C0000-0x00000000057E2000-memory.dmp

      Filesize

      136KB

    • memory/4384-56-0x0000000006550000-0x0000000006582000-memory.dmp

      Filesize

      200KB

    • memory/4384-86-0x00000000074A0000-0x00000000074AE000-memory.dmp

      Filesize

      56KB

    • memory/4384-79-0x0000000006F40000-0x0000000006FE3000-memory.dmp

      Filesize

      652KB

    • memory/4480-5-0x00000000050C0000-0x00000000050CA000-memory.dmp

      Filesize

      40KB

    • memory/4480-4-0x00000000050A0000-0x00000000050B0000-memory.dmp

      Filesize

      64KB

    • memory/4480-9-0x0000000006560000-0x00000000065DA000-memory.dmp

      Filesize

      488KB

    • memory/4480-24-0x00000000050A0000-0x00000000050B0000-memory.dmp

      Filesize

      64KB

    • memory/4480-7-0x00000000060E0000-0x00000000060E8000-memory.dmp

      Filesize

      32KB

    • memory/4480-3-0x0000000004F00000-0x0000000004F92000-memory.dmp

      Filesize

      584KB

    • memory/4480-6-0x0000000006530000-0x0000000006548000-memory.dmp

      Filesize

      96KB

    • memory/4480-8-0x00000000060F0000-0x00000000060FA000-memory.dmp

      Filesize

      40KB

    • memory/4480-36-0x0000000075330000-0x0000000075AE0000-memory.dmp

      Filesize

      7.7MB

    • memory/4480-16-0x0000000075330000-0x0000000075AE0000-memory.dmp

      Filesize

      7.7MB

    • memory/4480-2-0x0000000005410000-0x00000000059B4000-memory.dmp

      Filesize

      5.6MB

    • memory/4480-0-0x0000000075330000-0x0000000075AE0000-memory.dmp

      Filesize

      7.7MB

    • memory/4480-10-0x0000000006200000-0x000000000629C000-memory.dmp

      Filesize

      624KB

    • memory/4480-1-0x0000000000440000-0x0000000000544000-memory.dmp

      Filesize

      1.0MB