Resubmissions

13/08/2024, 19:35

240813-ya2ljasdnb 10

13/08/2024, 19:32

240813-x8xjsswhpn 10

13/08/2024, 19:31

240813-x8dfxsscje 10

Analysis

  • max time kernel
    150s
  • max time network
    135s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20240802-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20240802-enlocale:en-usos:windows10-2004-x64system
  • submitted
    13/08/2024, 19:32

General

  • Target

    trucking instructions.exe

  • Size

    810KB

  • MD5

    70e2e8e0e4af94e41c25c6576234f27b

  • SHA1

    803f302773e43fadaa72613718905369ac47c20c

  • SHA256

    f9898f9bbef6d022dd0ce4343009f8d8ec465322ec384723e565a7ff0db259e7

  • SHA512

    4aedd3f377b7ec0242a2f4f1a879293cc6768c8199237f9fbd30f90bee51de2702d56ac567fdecf933c21ab67add29eb57b22cb1776ea5ff0b7c34ae5d425a54

  • SSDEEP

    24576:GUI54C07YR3CHSSKnKu/k3zPHdPHdTSkc14:7MGYRSsK0k3j

Malware Config

Extracted

Family

agenttesla

Credentials

Signatures

  • AgentTesla

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

  • Credentials from Password Stores: Credentials from Web Browsers 1 TTPs

    Malicious Access or copy of Web Browser Credential store.

  • 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.

  • 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).

  • System Location Discovery: System Language Discovery 1 TTPs 5 IoCs

    Attempt gather information about the system language of a victim in order to infer the geographical location of that host.

  • Checks SCSI registry key(s) 3 TTPs 3 IoCs

    SCSI information is often read in order to detect sandboxing environments.

  • Checks processor information in registry 2 TTPs 2 IoCs

    Processor information is often read in order to detect sandboxing environments.

  • Modifies Internet Explorer settings 1 TTPs 2 IoCs
  • Modifies data under HKEY_USERS 15 IoCs
  • Modifies registry class 20 IoCs
  • Scheduled Task/Job: Scheduled Task 1 TTPs 1 IoCs

    Schtasks is often used by malware for persistence or to perform post-infection execution.

  • Suspicious behavior: EnumeratesProcesses 64 IoCs
  • Suspicious behavior: LoadsDriver 64 IoCs
  • Suspicious use of AdjustPrivilegeToken 7 IoCs
  • Suspicious use of FindShellTrayWindow 64 IoCs
  • Suspicious use of SendNotifyMessage 64 IoCs
  • Suspicious use of SetWindowsHookEx 4 IoCs
  • Suspicious use of WriteProcessMemory 17 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\trucking instructions.exe
    "C:\Users\Admin\AppData\Local\Temp\trucking instructions.exe"
    1⤵
    • Checks computer location settings
    • Suspicious use of SetThreadContext
    • System Location Discovery: System Language Discovery
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of WriteProcessMemory
    PID:2904
    • 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\trucking instructions.exe"
      2⤵
      • Command and Scripting Interpreter: PowerShell
      • System Location Discovery: System Language Discovery
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      PID:756
    • C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe
      "C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" Add-MpPreference -ExclusionPath "C:\Users\Admin\AppData\Roaming\tepYWZPN.exe"
      2⤵
      • Command and Scripting Interpreter: PowerShell
      • System Location Discovery: System Language Discovery
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      PID:1600
    • C:\Windows\SysWOW64\schtasks.exe
      "C:\Windows\System32\schtasks.exe" /Create /TN "Updates\tepYWZPN" /XML "C:\Users\Admin\AppData\Local\Temp\tmpDC95.tmp"
      2⤵
      • System Location Discovery: System Language Discovery
      • Scheduled Task/Job: Scheduled Task
      PID:1668
    • C:\Users\Admin\AppData\Local\Temp\trucking instructions.exe
      "C:\Users\Admin\AppData\Local\Temp\trucking instructions.exe"
      2⤵
      • System Location Discovery: System Language Discovery
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      • Suspicious use of SetWindowsHookEx
      PID:1520
  • C:\Windows\system32\taskmgr.exe
    "C:\Windows\system32\taskmgr.exe" /7
    1⤵
    • Checks SCSI registry key(s)
    • Checks processor information in registry
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of FindShellTrayWindow
    • Suspicious use of SendNotifyMessage
    PID:5112
  • C:\Windows\SystemApps\Microsoft.Windows.StartMenuExperienceHost_cw5n1h2txyewy\StartMenuExperienceHost.exe
    "C:\Windows\SystemApps\Microsoft.Windows.StartMenuExperienceHost_cw5n1h2txyewy\StartMenuExperienceHost.exe" -ServerName:App.AppXywbrabmsek0gm3tkwpr5kwzbs55tkqay.mca
    1⤵
    • Modifies registry class
    • Suspicious use of SetWindowsHookEx
    PID:4688
  • C:\Windows\SystemApps\Microsoft.Windows.Search_cw5n1h2txyewy\SearchApp.exe
    "C:\Windows\SystemApps\Microsoft.Windows.Search_cw5n1h2txyewy\SearchApp.exe" -ServerName:CortanaUI.AppX8z9r6jm96hw4bsbneegw0kyxx296wr9t.mca
    1⤵
    • Modifies Internet Explorer settings
    • Modifies registry class
    • Suspicious use of SetWindowsHookEx
    PID:4136
  • C:\Windows\system32\LogonUI.exe
    "LogonUI.exe" /flags:0x0 /state0:0xa38e3055 /state1:0x41c64e6d
    1⤵
    • Modifies data under HKEY_USERS
    • Suspicious use of SetWindowsHookEx
    PID:3524

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

          41339cde0905ac92ccb93540ca04d9a1

          SHA1

          bb46c6a253c7ecb81e2692dc275d57a6c03f3558

          SHA256

          30c4e47623b368ace7020a6374f76c90b3dd1d9a6bbb6c06d3ec6e48e800916f

          SHA512

          8b06acebf717c98fdf32c8051ba574e3faa6c4d79d6a9af628f80124cde1d87827a600b51d1ef8ac3de5f44d347878b085ce52770e94af6658cce4359d1e007b

        • C:\Users\Admin\AppData\Local\Temp\__PSScriptPolicyTest_q11qffwp.q5e.ps1

          Filesize

          60B

          MD5

          d17fe0a3f47be24a6453e9ef58c94641

          SHA1

          6ab83620379fc69f80c0242105ddffd7d98d5d9d

          SHA256

          96ad1146eb96877eab5942ae0736b82d8b5e2039a80d3d6932665c1a4c87dcf7

          SHA512

          5b592e58f26c264604f98f6aa12860758ce606d1c63220736cf0c779e4e18e3cec8706930a16c38b20161754d1017d1657d35258e58ca22b18f5b232880dec82

        • C:\Users\Admin\AppData\Local\Temp\tmpDC95.tmp

          Filesize

          1KB

          MD5

          1195863c0ad93a1221ea971d1c9c5a43

          SHA1

          4339ec9f77b3d6fae28e9e15096dba2f29ab57b9

          SHA256

          16e024f944df5de4b498b115bb355fb1e4c93f69bad661a20ad92e831902b92d

          SHA512

          3bba7297fdf6de231308e5d972d8fafc5f709e4c4aa4f1cfa4af66ca8d5e6ac16e610f0b6efad4dde39f4adcacc6f35e0c46535baed4da1ebe630e0dfa5bb7c4

        • memory/756-61-0x00000000060A0000-0x00000000060BE000-memory.dmp

          Filesize

          120KB

        • memory/756-80-0x0000000007160000-0x000000000717A000-memory.dmp

          Filesize

          104KB

        • memory/756-75-0x0000000006E90000-0x0000000006E9A000-memory.dmp

          Filesize

          40KB

        • memory/756-87-0x00000000744E0000-0x0000000074C90000-memory.dmp

          Filesize

          7.7MB

        • memory/756-21-0x0000000005400000-0x0000000005466000-memory.dmp

          Filesize

          408KB

        • memory/756-63-0x0000000007460000-0x0000000007ADA000-memory.dmp

          Filesize

          6.5MB

        • memory/756-14-0x0000000002210000-0x0000000002246000-memory.dmp

          Filesize

          216KB

        • memory/756-15-0x00000000744E0000-0x0000000074C90000-memory.dmp

          Filesize

          7.7MB

        • memory/756-16-0x0000000004CD0000-0x00000000052F8000-memory.dmp

          Filesize

          6.2MB

        • memory/756-17-0x00000000744E0000-0x0000000074C90000-memory.dmp

          Filesize

          7.7MB

        • memory/756-77-0x0000000007020000-0x0000000007031000-memory.dmp

          Filesize

          68KB

        • memory/756-81-0x0000000007140000-0x0000000007148000-memory.dmp

          Filesize

          32KB

        • memory/756-20-0x0000000004B20000-0x0000000004B42000-memory.dmp

          Filesize

          136KB

        • memory/756-22-0x0000000005470000-0x00000000054D6000-memory.dmp

          Filesize

          408KB

        • memory/756-29-0x00000000054E0000-0x0000000005834000-memory.dmp

          Filesize

          3.3MB

        • memory/756-64-0x0000000006E20000-0x0000000006E3A000-memory.dmp

          Filesize

          104KB

        • memory/756-50-0x0000000006AE0000-0x0000000006B12000-memory.dmp

          Filesize

          200KB

        • memory/756-78-0x0000000007050000-0x000000000705E000-memory.dmp

          Filesize

          56KB

        • memory/756-62-0x0000000006D20000-0x0000000006DC3000-memory.dmp

          Filesize

          652KB

        • memory/756-51-0x0000000074D40000-0x0000000074D8C000-memory.dmp

          Filesize

          304KB

        • memory/756-46-0x00000000744E0000-0x0000000074C90000-memory.dmp

          Filesize

          7.7MB

        • memory/756-79-0x0000000007060000-0x0000000007074000-memory.dmp

          Filesize

          80KB

        • memory/1520-43-0x0000000000400000-0x0000000000442000-memory.dmp

          Filesize

          264KB

        • memory/1520-89-0x0000000007060000-0x00000000070B0000-memory.dmp

          Filesize

          320KB

        • memory/1600-49-0x0000000006D90000-0x0000000006DDC000-memory.dmp

          Filesize

          304KB

        • memory/1600-48-0x0000000006860000-0x000000000687E000-memory.dmp

          Filesize

          120KB

        • memory/1600-45-0x00000000744E0000-0x0000000074C90000-memory.dmp

          Filesize

          7.7MB

        • memory/1600-65-0x0000000074D40000-0x0000000074D8C000-memory.dmp

          Filesize

          304KB

        • memory/1600-23-0x00000000744E0000-0x0000000074C90000-memory.dmp

          Filesize

          7.7MB

        • memory/1600-76-0x0000000007E20000-0x0000000007EB6000-memory.dmp

          Filesize

          600KB

        • memory/1600-18-0x00000000744E0000-0x0000000074C90000-memory.dmp

          Filesize

          7.7MB

        • memory/1600-88-0x00000000744E0000-0x0000000074C90000-memory.dmp

          Filesize

          7.7MB

        • memory/2904-5-0x0000000005030000-0x000000000503A000-memory.dmp

          Filesize

          40KB

        • memory/2904-8-0x0000000005290000-0x00000000052A6000-memory.dmp

          Filesize

          88KB

        • memory/2904-0-0x00000000744EE000-0x00000000744EF000-memory.dmp

          Filesize

          4KB

        • memory/2904-47-0x00000000744E0000-0x0000000074C90000-memory.dmp

          Filesize

          7.7MB

        • memory/2904-3-0x0000000005070000-0x0000000005102000-memory.dmp

          Filesize

          584KB

        • memory/2904-4-0x00000000744E0000-0x0000000074C90000-memory.dmp

          Filesize

          7.7MB

        • memory/2904-9-0x0000000002AA0000-0x0000000002B24000-memory.dmp

          Filesize

          528KB

        • memory/2904-2-0x0000000005710000-0x0000000005CB4000-memory.dmp

          Filesize

          5.6MB

        • memory/2904-1-0x00000000005B0000-0x0000000000680000-memory.dmp

          Filesize

          832KB

        • memory/2904-7-0x00000000052D0000-0x00000000052EE000-memory.dmp

          Filesize

          120KB

        • memory/2904-6-0x0000000005320000-0x00000000053BC000-memory.dmp

          Filesize

          624KB

        • memory/4136-118-0x000002C2BE190000-0x000002C2BE1B0000-memory.dmp

          Filesize

          128KB

        • memory/4136-131-0x000002C2BE5A0000-0x000002C2BE5C0000-memory.dmp

          Filesize

          128KB

        • memory/4136-106-0x000002C2BD100000-0x000002C2BD200000-memory.dmp

          Filesize

          1024KB

        • memory/4136-110-0x000002C2BE1D0000-0x000002C2BE1F0000-memory.dmp

          Filesize

          128KB

        • memory/4136-105-0x000002C2BD100000-0x000002C2BD200000-memory.dmp

          Filesize

          1024KB

        • memory/5112-92-0x00000260BBB10000-0x00000260BBB11000-memory.dmp

          Filesize

          4KB

        • memory/5112-99-0x00000260BBB10000-0x00000260BBB11000-memory.dmp

          Filesize

          4KB

        • memory/5112-98-0x00000260BBB10000-0x00000260BBB11000-memory.dmp

          Filesize

          4KB

        • memory/5112-97-0x00000260BBB10000-0x00000260BBB11000-memory.dmp

          Filesize

          4KB

        • memory/5112-96-0x00000260BBB10000-0x00000260BBB11000-memory.dmp

          Filesize

          4KB

        • memory/5112-100-0x00000260BBB10000-0x00000260BBB11000-memory.dmp

          Filesize

          4KB

        • memory/5112-101-0x00000260BBB10000-0x00000260BBB11000-memory.dmp

          Filesize

          4KB

        • memory/5112-102-0x00000260BBB10000-0x00000260BBB11000-memory.dmp

          Filesize

          4KB

        • memory/5112-91-0x00000260BBB10000-0x00000260BBB11000-memory.dmp

          Filesize

          4KB

        • memory/5112-90-0x00000260BBB10000-0x00000260BBB11000-memory.dmp

          Filesize

          4KB