Analysis

  • max time kernel
    149s
  • max time network
    151s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20240508-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20240508-enlocale:en-usos:windows10-2004-x64system
  • submitted
    21-05-2024 01:27

General

  • Target

    25192b6de0b0ec0c8647deee54f87f54c6c122496a601cffbaa9fad85168af62.exe

  • Size

    828KB

  • MD5

    8af5abb19bc5fcd7d8e7c7c930707e68

  • SHA1

    bc9724ebbdfc9f248a427c0bbe119a5d144c4fa1

  • SHA256

    25192b6de0b0ec0c8647deee54f87f54c6c122496a601cffbaa9fad85168af62

  • SHA512

    7cc597bb80e502eebd872f25f218f63b88ade93c81a5eca97bc960de04ade2e218c7cdb2eaf1fff7b08005cd4ae3846761de62def4cb7d8d3ac816b32c66582e

  • SSDEEP

    12288:OIQWET/mr9K+22BEEzFatnHbcmWSK86jENTkV0E+YfVZScyqg08kfl2aWUnTPea8:QWtb3BEVHC86YTkVVOkfl/beaooN5v8

Malware Config

Extracted

Family

agenttesla

Credentials

Signatures

  • AgentTesla

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

  • Command and Scripting Interpreter: PowerShell 1 TTPs 2 IoCs

    Run Powershell to modify Windows Defender settings to add exclusions for file extensions, paths, and processes.

  • Checks computer location settings 2 TTPs 1 IoCs

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

  • Reads WinSCP keys stored on the system 2 TTPs

    Tries to access WinSCP stored sessions.

  • 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.

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

Processes

  • C:\Users\Admin\AppData\Local\Temp\25192b6de0b0ec0c8647deee54f87f54c6c122496a601cffbaa9fad85168af62.exe
    "C:\Users\Admin\AppData\Local\Temp\25192b6de0b0ec0c8647deee54f87f54c6c122496a601cffbaa9fad85168af62.exe"
    1⤵
    • Checks computer location settings
    • Suspicious use of SetThreadContext
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of WriteProcessMemory
    PID:1216
    • 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\25192b6de0b0ec0c8647deee54f87f54c6c122496a601cffbaa9fad85168af62.exe"
      2⤵
      • Command and Scripting Interpreter: PowerShell
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      PID:1400
    • C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe
      "C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" Add-MpPreference -ExclusionPath "C:\Users\Admin\AppData\Roaming\gmTKQwj.exe"
      2⤵
      • Command and Scripting Interpreter: PowerShell
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      PID:1532
    • C:\Windows\SysWOW64\schtasks.exe
      "C:\Windows\System32\schtasks.exe" /Create /TN "Updates\gmTKQwj" /XML "C:\Users\Admin\AppData\Local\Temp\tmp72CE.tmp"
      2⤵
      • Creates scheduled task(s)
      PID:740
    • C:\Users\Admin\AppData\Local\Temp\25192b6de0b0ec0c8647deee54f87f54c6c122496a601cffbaa9fad85168af62.exe
      "C:\Users\Admin\AppData\Local\Temp\25192b6de0b0ec0c8647deee54f87f54c6c122496a601cffbaa9fad85168af62.exe"
      2⤵
        PID:3284
      • C:\Users\Admin\AppData\Local\Temp\25192b6de0b0ec0c8647deee54f87f54c6c122496a601cffbaa9fad85168af62.exe
        "C:\Users\Admin\AppData\Local\Temp\25192b6de0b0ec0c8647deee54f87f54c6c122496a601cffbaa9fad85168af62.exe"
        2⤵
        • Adds Run key to start application
        • Suspicious behavior: EnumeratesProcesses
        • Suspicious use of AdjustPrivilegeToken
        PID:4176

    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

      55fbbd00f57c51418b8493314b7be891

      SHA1

      2c68f05a6f874b5856d0a415c41c2828a12ad33d

      SHA256

      6b0cfc3e8847f9ce4bb5195274586312d3e2b5d4e694d2cd08d388772ec61ae1

      SHA512

      91727c81edaf6dce859699df1f306e3deb0c557b1ca23ff280ddda5fd582c85bb9f1060ca0c4c93aafd886022ec913faad8c2a36be4bf8f80f5e4154792b1afc

    • C:\Users\Admin\AppData\Local\Temp\__PSScriptPolicyTest_spm35zvh.rgd.ps1

      Filesize

      60B

      MD5

      d17fe0a3f47be24a6453e9ef58c94641

      SHA1

      6ab83620379fc69f80c0242105ddffd7d98d5d9d

      SHA256

      96ad1146eb96877eab5942ae0736b82d8b5e2039a80d3d6932665c1a4c87dcf7

      SHA512

      5b592e58f26c264604f98f6aa12860758ce606d1c63220736cf0c779e4e18e3cec8706930a16c38b20161754d1017d1657d35258e58ca22b18f5b232880dec82

    • C:\Users\Admin\AppData\Local\Temp\tmp72CE.tmp

      Filesize

      1KB

      MD5

      2accdc53b16155aad1b73dc94585aa75

      SHA1

      abc55b78a52cf2f5a83f69acd0ec391568b03d88

      SHA256

      bc255d0fc86c3462f7d2a9db823157c8ea39dc2fe798a161afa944af8c5fe47b

      SHA512

      b0ba2b6248c74f85ae1f79bf41853019bf777939d4d0451a521bfcbd4264a7c008815cdbc11118cff420c364c8eeeb76bbed031b16106649ecf5b6fa0590f8ff

    • memory/1216-0-0x000000007501E000-0x000000007501F000-memory.dmp

      Filesize

      4KB

    • memory/1216-3-0x0000000005420000-0x00000000054B2000-memory.dmp

      Filesize

      584KB

    • memory/1216-6-0x0000000007D10000-0x0000000007D32000-memory.dmp

      Filesize

      136KB

    • memory/1216-7-0x0000000005680000-0x000000000568C000-memory.dmp

      Filesize

      48KB

    • memory/1216-8-0x0000000002DB0000-0x0000000002DC0000-memory.dmp

      Filesize

      64KB

    • memory/1216-9-0x00000000068F0000-0x0000000006972000-memory.dmp

      Filesize

      520KB

    • memory/1216-10-0x000000000B420000-0x000000000B4BC000-memory.dmp

      Filesize

      624KB

    • memory/1216-48-0x0000000075010000-0x00000000757C0000-memory.dmp

      Filesize

      7.7MB

    • memory/1216-5-0x00000000054F0000-0x00000000054FA000-memory.dmp

      Filesize

      40KB

    • memory/1216-1-0x0000000000970000-0x0000000000A44000-memory.dmp

      Filesize

      848KB

    • memory/1216-2-0x0000000005A90000-0x0000000006034000-memory.dmp

      Filesize

      5.6MB

    • memory/1216-4-0x0000000075010000-0x00000000757C0000-memory.dmp

      Filesize

      7.7MB

    • memory/1400-16-0x0000000075010000-0x00000000757C0000-memory.dmp

      Filesize

      7.7MB

    • memory/1400-15-0x0000000002ED0000-0x0000000002F06000-memory.dmp

      Filesize

      216KB

    • memory/1400-89-0x0000000075010000-0x00000000757C0000-memory.dmp

      Filesize

      7.7MB

    • memory/1400-18-0x0000000075010000-0x00000000757C0000-memory.dmp

      Filesize

      7.7MB

    • memory/1400-82-0x0000000007E20000-0x0000000007E28000-memory.dmp

      Filesize

      32KB

    • memory/1400-81-0x0000000007E40000-0x0000000007E5A000-memory.dmp

      Filesize

      104KB

    • memory/1400-17-0x0000000005CC0000-0x00000000062E8000-memory.dmp

      Filesize

      6.2MB

    • memory/1400-80-0x0000000007D40000-0x0000000007D54000-memory.dmp

      Filesize

      80KB

    • memory/1400-66-0x0000000007B70000-0x0000000007B7A000-memory.dmp

      Filesize

      40KB

    • memory/1400-23-0x0000000075010000-0x00000000757C0000-memory.dmp

      Filesize

      7.7MB

    • memory/1400-79-0x0000000007D30000-0x0000000007D3E000-memory.dmp

      Filesize

      56KB

    • memory/1400-78-0x0000000007D00000-0x0000000007D11000-memory.dmp

      Filesize

      68KB

    • memory/1400-77-0x0000000007D80000-0x0000000007E16000-memory.dmp

      Filesize

      600KB

    • memory/1400-52-0x00000000758A0000-0x00000000758EC000-memory.dmp

      Filesize

      304KB

    • memory/1400-63-0x00000000079A0000-0x0000000007A43000-memory.dmp

      Filesize

      652KB

    • memory/1400-62-0x0000000007970000-0x000000000798E000-memory.dmp

      Filesize

      120KB

    • memory/1400-51-0x0000000007930000-0x0000000007962000-memory.dmp

      Filesize

      200KB

    • memory/1400-65-0x0000000007B00000-0x0000000007B1A000-memory.dmp

      Filesize

      104KB

    • memory/1400-64-0x0000000008140000-0x00000000087BA000-memory.dmp

      Filesize

      6.5MB

    • memory/1532-46-0x0000000075010000-0x00000000757C0000-memory.dmp

      Filesize

      7.7MB

    • memory/1532-67-0x00000000758A0000-0x00000000758EC000-memory.dmp

      Filesize

      304KB

    • memory/1532-50-0x0000000006100000-0x000000000614C000-memory.dmp

      Filesize

      304KB

    • memory/1532-49-0x0000000005B70000-0x0000000005B8E000-memory.dmp

      Filesize

      120KB

    • memory/1532-25-0x0000000005530000-0x0000000005884000-memory.dmp

      Filesize

      3.3MB

    • memory/1532-26-0x0000000075010000-0x00000000757C0000-memory.dmp

      Filesize

      7.7MB

    • memory/1532-24-0x0000000075010000-0x00000000757C0000-memory.dmp

      Filesize

      7.7MB

    • memory/1532-19-0x0000000004BA0000-0x0000000004BC2000-memory.dmp

      Filesize

      136KB

    • memory/1532-20-0x00000000052D0000-0x0000000005336000-memory.dmp

      Filesize

      408KB

    • memory/1532-21-0x0000000005340000-0x00000000053A6000-memory.dmp

      Filesize

      408KB

    • memory/1532-90-0x0000000075010000-0x00000000757C0000-memory.dmp

      Filesize

      7.7MB

    • memory/4176-45-0x0000000000400000-0x0000000000442000-memory.dmp

      Filesize

      264KB

    • memory/4176-91-0x0000000006E30000-0x0000000006E80000-memory.dmp

      Filesize

      320KB