Analysis

  • max time kernel
    142s
  • 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 10:56

General

  • Target

    Payment of PO. 303092.exe

  • Size

    727KB

  • MD5

    02389ebeb400fccb4be3a8a838947f41

  • SHA1

    7f36a7136d1a7fa89f79406df235a761b77ecb71

  • SHA256

    93c6d96d2c4eff6927c67389dbfa6be605fb70f8005783c3b9915a1ed9fd47f9

  • SHA512

    fb14193f2eed31a5a797296cb2e71f7b67c72bd16f58fff84b8f2d770a7b645a4260020fd05ca4a84006f543ab565dd9eef5ceb97984e4ced5f79a788f4bd5fe

  • SSDEEP

    12288:h7KE6jD/62iNG5nF8gljUB4Ab/J18w+Dao23eg6WwqEdz4EH9O4r9Ha:h7KtD/61IfjMXB2bGo9tWV84Spr0

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.

  • Reads data files stored by FTP clients 2 TTPs

    Tries to access configuration files associated with programs like FileZilla.

  • Reads user/profile data of local email clients 2 TTPs

    Email clients store some user data on disk where infostealers will often target it.

  • Reads user/profile data of web browsers 2 TTPs

    Infostealers often target stored browser data, which can include saved credentials etc.

  • 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 4 IoCs
  • Suspicious use of AdjustPrivilegeToken 2 IoCs
  • Suspicious use of SetWindowsHookEx 1 IoCs
  • Suspicious use of WriteProcessMemory 14 IoCs
  • outlook_office_path 1 IoCs
  • outlook_win_path 1 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\Payment of PO. 303092.exe
    "C:\Users\Admin\AppData\Local\Temp\Payment of PO. 303092.exe"
    1⤵
    • Checks computer location settings
    • Suspicious use of SetThreadContext
    • Suspicious use of WriteProcessMemory
    PID:5108
    • C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe
      "C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" Add-MpPreference -ExclusionPath "C:\Users\Admin\AppData\Roaming\vTqEAcFwp.exe"
      2⤵
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      PID:2292
    • C:\Windows\SysWOW64\schtasks.exe
      "C:\Windows\System32\schtasks.exe" /Create /TN "Updates\vTqEAcFwp" /XML "C:\Users\Admin\AppData\Local\Temp\tmpCF85.tmp"
      2⤵
      • Creates scheduled task(s)
      PID:5020
    • C:\Users\Admin\AppData\Local\Temp\Payment of PO. 303092.exe
      "C:\Users\Admin\AppData\Local\Temp\Payment of PO. 303092.exe"
      2⤵
      • Accesses Microsoft Outlook profiles
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      • Suspicious use of SetWindowsHookEx
      • outlook_office_path
      • outlook_win_path
      PID:3824

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

Loading Replay Monitor...

Downloads

  • C:\Users\Admin\AppData\Local\Temp\__PSScriptPolicyTest_jc42thew.utn.ps1

    Filesize

    60B

    MD5

    d17fe0a3f47be24a6453e9ef58c94641

    SHA1

    6ab83620379fc69f80c0242105ddffd7d98d5d9d

    SHA256

    96ad1146eb96877eab5942ae0736b82d8b5e2039a80d3d6932665c1a4c87dcf7

    SHA512

    5b592e58f26c264604f98f6aa12860758ce606d1c63220736cf0c779e4e18e3cec8706930a16c38b20161754d1017d1657d35258e58ca22b18f5b232880dec82

  • C:\Users\Admin\AppData\Local\Temp\tmpCF85.tmp

    Filesize

    1KB

    MD5

    baa1b407b24e768eed1d34d37af5456b

    SHA1

    055cda49c8e7f38f8917a10327a9187780637474

    SHA256

    969ad41566a16906e9d67a81b9a1cacd3f6dac830eed636684c0ecaeabf5093c

    SHA512

    fd7c561de6a4ff086537539706c1d83679941e554654ee66363c98ebef6f1db9d902f1729cfbbb1259b27d814f2d220375a5a42a75ffeaea5851dea88f8b3f15

  • memory/2292-28-0x0000000005480000-0x00000000054E6000-memory.dmp

    Filesize

    408KB

  • memory/2292-58-0x00000000076D0000-0x00000000076EA000-memory.dmp

    Filesize

    104KB

  • memory/2292-70-0x0000000074920000-0x00000000750D0000-memory.dmp

    Filesize

    7.7MB

  • memory/2292-67-0x00000000079F0000-0x00000000079F8000-memory.dmp

    Filesize

    32KB

  • memory/2292-66-0x0000000007A10000-0x0000000007A2A000-memory.dmp

    Filesize

    104KB

  • memory/2292-64-0x0000000007900000-0x000000000790E000-memory.dmp

    Filesize

    56KB

  • memory/2292-63-0x00000000078D0000-0x00000000078E1000-memory.dmp

    Filesize

    68KB

  • memory/2292-62-0x0000000007950000-0x00000000079E6000-memory.dmp

    Filesize

    600KB

  • memory/2292-60-0x0000000007740000-0x000000000774A000-memory.dmp

    Filesize

    40KB

  • memory/2292-15-0x0000000002A90000-0x0000000002AC6000-memory.dmp

    Filesize

    216KB

  • memory/2292-16-0x0000000074920000-0x00000000750D0000-memory.dmp

    Filesize

    7.7MB

  • memory/2292-17-0x0000000004F90000-0x0000000004FA0000-memory.dmp

    Filesize

    64KB

  • memory/2292-57-0x0000000007D10000-0x000000000838A000-memory.dmp

    Filesize

    6.5MB

  • memory/2292-56-0x00000000075C0000-0x0000000007663000-memory.dmp

    Filesize

    652KB

  • memory/2292-21-0x00000000055D0000-0x0000000005BF8000-memory.dmp

    Filesize

    6.2MB

  • memory/2292-55-0x0000000006970000-0x000000000698E000-memory.dmp

    Filesize

    120KB

  • memory/2292-45-0x00000000705A0000-0x00000000705EC000-memory.dmp

    Filesize

    304KB

  • memory/2292-44-0x0000000006990000-0x00000000069C2000-memory.dmp

    Filesize

    200KB

  • memory/2292-43-0x000000007F330000-0x000000007F340000-memory.dmp

    Filesize

    64KB

  • memory/2292-26-0x00000000052E0000-0x0000000005302000-memory.dmp

    Filesize

    136KB

  • memory/2292-39-0x0000000005DE0000-0x0000000006134000-memory.dmp

    Filesize

    3.3MB

  • memory/2292-41-0x0000000006470000-0x00000000064BC000-memory.dmp

    Filesize

    304KB

  • memory/2292-40-0x00000000063D0000-0x00000000063EE000-memory.dmp

    Filesize

    120KB

  • memory/2292-65-0x0000000007910000-0x0000000007924000-memory.dmp

    Filesize

    80KB

  • memory/2292-42-0x0000000004F90000-0x0000000004FA0000-memory.dmp

    Filesize

    64KB

  • memory/3824-29-0x0000000002BD0000-0x0000000002BE0000-memory.dmp

    Filesize

    64KB

  • memory/3824-59-0x0000000006930000-0x0000000006980000-memory.dmp

    Filesize

    320KB

  • memory/3824-27-0x00000000051D0000-0x0000000005236000-memory.dmp

    Filesize

    408KB

  • memory/3824-25-0x0000000074920000-0x00000000750D0000-memory.dmp

    Filesize

    7.7MB

  • memory/3824-61-0x0000000006B50000-0x0000000006D12000-memory.dmp

    Filesize

    1.8MB

  • memory/3824-71-0x0000000074920000-0x00000000750D0000-memory.dmp

    Filesize

    7.7MB

  • memory/3824-20-0x0000000000400000-0x0000000000430000-memory.dmp

    Filesize

    192KB

  • memory/3824-72-0x0000000002BD0000-0x0000000002BE0000-memory.dmp

    Filesize

    64KB

  • memory/5108-23-0x0000000005230000-0x0000000005240000-memory.dmp

    Filesize

    64KB

  • memory/5108-7-0x0000000005600000-0x0000000005608000-memory.dmp

    Filesize

    32KB

  • memory/5108-19-0x0000000074920000-0x00000000750D0000-memory.dmp

    Filesize

    7.7MB

  • memory/5108-2-0x0000000005620000-0x0000000005BC4000-memory.dmp

    Filesize

    5.6MB

  • memory/5108-24-0x0000000074920000-0x00000000750D0000-memory.dmp

    Filesize

    7.7MB

  • memory/5108-9-0x0000000006470000-0x00000000064DA000-memory.dmp

    Filesize

    424KB

  • memory/5108-8-0x00000000061D0000-0x00000000061DA000-memory.dmp

    Filesize

    40KB

  • memory/5108-10-0x00000000062A0000-0x000000000633C000-memory.dmp

    Filesize

    624KB

  • memory/5108-1-0x0000000074920000-0x00000000750D0000-memory.dmp

    Filesize

    7.7MB

  • memory/5108-6-0x00000000055D0000-0x00000000055E8000-memory.dmp

    Filesize

    96KB

  • memory/5108-5-0x0000000002C00000-0x0000000002C0A000-memory.dmp

    Filesize

    40KB

  • memory/5108-4-0x0000000005230000-0x0000000005240000-memory.dmp

    Filesize

    64KB

  • memory/5108-0-0x00000000005E0000-0x000000000069C000-memory.dmp

    Filesize

    752KB

  • memory/5108-3-0x0000000005070000-0x0000000005102000-memory.dmp

    Filesize

    584KB