Analysis

  • max time kernel
    143s
  • max time network
    133s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20231127-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20231127-enlocale:en-usos:windows10-2004-x64system
  • submitted
    08-12-2023 02:04

General

  • Target

    4768c40e4e564054947ac359d700d310abcdc8c476e8390e2adf28eac1aaea8f.exe

  • Size

    704KB

  • MD5

    e9be0acd1e3ebab0f8d9524536c30607

  • SHA1

    ae9b10f293b94ae842aa0bc70de24f1f37c6fc8b

  • SHA256

    4768c40e4e564054947ac359d700d310abcdc8c476e8390e2adf28eac1aaea8f

  • SHA512

    d39fc787b8fe9ff914429a2d779c69b84286cf026b66db4c66684b190987dcb231d46dc7a2837bfda40908cef5e675033d84913ebe41f8ebd1c1d9ebbd7aba43

  • SSDEEP

    12288:aGCahkZ5zHYt9zzsIips8BBwxsy5aIA/wIgj3SPSRry8xiyxzg:aCK/29zToHD7yoEIMpsQzg

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
  • 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 4 IoCs
  • Suspicious use of AdjustPrivilegeToken 3 IoCs
  • Suspicious use of WriteProcessMemory 14 IoCs
  • outlook_office_path 1 IoCs
  • outlook_win_path 1 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\4768c40e4e564054947ac359d700d310abcdc8c476e8390e2adf28eac1aaea8f.exe
    "C:\Users\Admin\AppData\Local\Temp\4768c40e4e564054947ac359d700d310abcdc8c476e8390e2adf28eac1aaea8f.exe"
    1⤵
    • Checks computer location settings
    • Suspicious use of SetThreadContext
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of WriteProcessMemory
    PID:4920
    • C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe
      "C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" Add-MpPreference -ExclusionPath "C:\Users\Admin\AppData\Roaming\FGQLTQfzIGOib.exe"
      2⤵
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      PID:2304
    • C:\Windows\SysWOW64\schtasks.exe
      "C:\Windows\System32\schtasks.exe" /Create /TN "Updates\FGQLTQfzIGOib" /XML "C:\Users\Admin\AppData\Local\Temp\tmpD784.tmp"
      2⤵
      • Creates scheduled task(s)
      PID:3532
    • C:\Users\Admin\AppData\Local\Temp\4768c40e4e564054947ac359d700d310abcdc8c476e8390e2adf28eac1aaea8f.exe
      "C:\Users\Admin\AppData\Local\Temp\4768c40e4e564054947ac359d700d310abcdc8c476e8390e2adf28eac1aaea8f.exe"
      2⤵
      • Accesses Microsoft Outlook profiles
      • Adds Run key to start application
      • Suspicious use of AdjustPrivilegeToken
      • outlook_office_path
      • outlook_win_path
      PID:856

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

Loading Replay Monitor...

Downloads

  • C:\Users\Admin\AppData\Local\Temp\__PSScriptPolicyTest_pva25dva.4rj.ps1

    Filesize

    60B

    MD5

    d17fe0a3f47be24a6453e9ef58c94641

    SHA1

    6ab83620379fc69f80c0242105ddffd7d98d5d9d

    SHA256

    96ad1146eb96877eab5942ae0736b82d8b5e2039a80d3d6932665c1a4c87dcf7

    SHA512

    5b592e58f26c264604f98f6aa12860758ce606d1c63220736cf0c779e4e18e3cec8706930a16c38b20161754d1017d1657d35258e58ca22b18f5b232880dec82

  • C:\Users\Admin\AppData\Local\Temp\tmpD784.tmp

    Filesize

    1KB

    MD5

    f53d11703d702d44af189c7b865a4ebf

    SHA1

    5098bb70ea91be47fa2dc187f6cb9c73107fc1a8

    SHA256

    cad0325983c5b4dde3a63d9b33a753c5b03d391a5fdeee9d9354750b67191071

    SHA512

    d1d1112521f2655c11b243bfea3f5c81844c0eb5a0576088b59ee15733d02a97b385c421c111e359c6dc919d8dcf9c725852d2483853ef98f1281e152a58788d

  • memory/856-72-0x0000000074640000-0x0000000074DF0000-memory.dmp

    Filesize

    7.7MB

  • memory/856-62-0x0000000007390000-0x0000000007552000-memory.dmp

    Filesize

    1.8MB

  • memory/856-60-0x0000000007170000-0x00000000071C0000-memory.dmp

    Filesize

    320KB

  • memory/856-27-0x00000000054A0000-0x0000000005506000-memory.dmp

    Filesize

    408KB

  • memory/856-28-0x0000000005750000-0x0000000005760000-memory.dmp

    Filesize

    64KB

  • memory/856-25-0x0000000074640000-0x0000000074DF0000-memory.dmp

    Filesize

    7.7MB

  • memory/856-19-0x0000000000400000-0x0000000000430000-memory.dmp

    Filesize

    192KB

  • memory/2304-15-0x0000000004B70000-0x0000000004BA6000-memory.dmp

    Filesize

    216KB

  • memory/2304-61-0x00000000074A0000-0x00000000074AA000-memory.dmp

    Filesize

    40KB

  • memory/2304-71-0x0000000074640000-0x0000000074DF0000-memory.dmp

    Filesize

    7.7MB

  • memory/2304-68-0x0000000007770000-0x0000000007778000-memory.dmp

    Filesize

    32KB

  • memory/2304-17-0x0000000074640000-0x0000000074DF0000-memory.dmp

    Filesize

    7.7MB

  • memory/2304-18-0x00000000026D0000-0x00000000026E0000-memory.dmp

    Filesize

    64KB

  • memory/2304-67-0x0000000007790000-0x00000000077AA000-memory.dmp

    Filesize

    104KB

  • memory/2304-22-0x00000000026D0000-0x00000000026E0000-memory.dmp

    Filesize

    64KB

  • memory/2304-21-0x00000000051E0000-0x0000000005808000-memory.dmp

    Filesize

    6.2MB

  • memory/2304-66-0x0000000007690000-0x00000000076A4000-memory.dmp

    Filesize

    80KB

  • memory/2304-65-0x0000000007680000-0x000000000768E000-memory.dmp

    Filesize

    56KB

  • memory/2304-64-0x0000000007630000-0x0000000007641000-memory.dmp

    Filesize

    68KB

  • memory/2304-63-0x00000000076B0000-0x0000000007746000-memory.dmp

    Filesize

    600KB

  • memory/2304-57-0x0000000007320000-0x00000000073C3000-memory.dmp

    Filesize

    652KB

  • memory/2304-59-0x0000000007430000-0x000000000744A000-memory.dmp

    Filesize

    104KB

  • memory/2304-58-0x0000000007A80000-0x00000000080FA000-memory.dmp

    Filesize

    6.5MB

  • memory/2304-38-0x0000000005AB0000-0x0000000005AD2000-memory.dmp

    Filesize

    136KB

  • memory/2304-39-0x0000000005BD0000-0x0000000005C36000-memory.dmp

    Filesize

    408KB

  • memory/2304-40-0x0000000005CB0000-0x0000000006004000-memory.dmp

    Filesize

    3.3MB

  • memory/2304-41-0x0000000006100000-0x000000000611E000-memory.dmp

    Filesize

    120KB

  • memory/2304-42-0x0000000006150000-0x000000000619C000-memory.dmp

    Filesize

    304KB

  • memory/2304-43-0x00000000026D0000-0x00000000026E0000-memory.dmp

    Filesize

    64KB

  • memory/2304-46-0x0000000070360000-0x00000000703AC000-memory.dmp

    Filesize

    304KB

  • memory/2304-45-0x00000000072E0000-0x0000000007312000-memory.dmp

    Filesize

    200KB

  • memory/2304-56-0x00000000066E0000-0x00000000066FE000-memory.dmp

    Filesize

    120KB

  • memory/4920-20-0x0000000074640000-0x0000000074DF0000-memory.dmp

    Filesize

    7.7MB

  • memory/4920-4-0x0000000005530000-0x0000000005540000-memory.dmp

    Filesize

    64KB

  • memory/4920-5-0x0000000005500000-0x000000000550A000-memory.dmp

    Filesize

    40KB

  • memory/4920-3-0x0000000005360000-0x00000000053F2000-memory.dmp

    Filesize

    584KB

  • memory/4920-6-0x00000000058D0000-0x00000000058EA000-memory.dmp

    Filesize

    104KB

  • memory/4920-2-0x0000000005910000-0x0000000005EB4000-memory.dmp

    Filesize

    5.6MB

  • memory/4920-26-0x0000000074640000-0x0000000074DF0000-memory.dmp

    Filesize

    7.7MB

  • memory/4920-7-0x00000000066C0000-0x00000000066C8000-memory.dmp

    Filesize

    32KB

  • memory/4920-10-0x000000000A730000-0x000000000A7CC000-memory.dmp

    Filesize

    624KB

  • memory/4920-23-0x0000000005530000-0x0000000005540000-memory.dmp

    Filesize

    64KB

  • memory/4920-8-0x00000000066E0000-0x00000000066EA000-memory.dmp

    Filesize

    40KB

  • memory/4920-0-0x00000000008B0000-0x0000000000966000-memory.dmp

    Filesize

    728KB

  • memory/4920-9-0x0000000007FE0000-0x000000000804A000-memory.dmp

    Filesize

    424KB

  • memory/4920-1-0x0000000074640000-0x0000000074DF0000-memory.dmp

    Filesize

    7.7MB