Resubmissions

02-08-2024 12:16

240802-pfv69s1drg 10

02-08-2024 12:15

240802-pe6ava1dra 10

02-08-2024 12:14

240802-pefp7a1dqh 10

02-08-2024 12:06

240802-n97ays1dpa 10

01-08-2024 01:57

240801-cdsl5szgma 10

Analysis

  • max time kernel
    121s
  • max time network
    128s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20240730-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20240730-enlocale:en-usos:windows10-2004-x64system
  • submitted
    01-08-2024 01:57

General

  • Target

    1/0178b79bd084c2597b2de4e62e61a88bb8359e4fcac2fe672bb887e0e52e5dbd.exe

  • Size

    678KB

  • MD5

    c229261d7e8c8524dd25f7bc58edddf8

  • SHA1

    781d106f3aa60c392f039968ae45c53f78890871

  • SHA256

    0178b79bd084c2597b2de4e62e61a88bb8359e4fcac2fe672bb887e0e52e5dbd

  • SHA512

    be05a39499b86bfcb30725fd277502f026b29b205bb657d8303b55d9b8e0ae6d4bfb507153d77229871df32d4608a5b8b3bdb1e783f12db2541e48a73fd2891c

  • SSDEEP

    12288:8S2iNbczDLej8zhAA3Crp4mIjYBTBIE5Vmmah9di01DRzqICQlzCDmXPIPe:8S1ZcXh9IuMZBIEHlg9s01D71lzCDmXS

Malware Config

Extracted

Credentials

  • Protocol:
    smtp
  • Host:
    mail.bonnyriggdentalsurgery.com.au
  • Port:
    587
  • Username:
    [email protected]
  • Password:
    Sages101*

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.

  • Adds Run key to start application 2 TTPs 1 IoCs
  • Looks up external IP address via web service 3 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.

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

Processes

  • C:\Users\Admin\AppData\Local\Temp\1\0178b79bd084c2597b2de4e62e61a88bb8359e4fcac2fe672bb887e0e52e5dbd.exe
    "C:\Users\Admin\AppData\Local\Temp\1\0178b79bd084c2597b2de4e62e61a88bb8359e4fcac2fe672bb887e0e52e5dbd.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:4076
    • 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\1\0178b79bd084c2597b2de4e62e61a88bb8359e4fcac2fe672bb887e0e52e5dbd.exe"
      2⤵
      • Command and Scripting Interpreter: PowerShell
      • System Location Discovery: System Language Discovery
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      PID:1096
    • C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe
      "C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" Add-MpPreference -ExclusionPath "C:\Users\Admin\AppData\Roaming\yZxVRz.exe"
      2⤵
      • Command and Scripting Interpreter: PowerShell
      • System Location Discovery: System Language Discovery
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      PID:4448
    • C:\Windows\SysWOW64\schtasks.exe
      "C:\Windows\System32\schtasks.exe" /Create /TN "Updates\yZxVRz" /XML "C:\Users\Admin\AppData\Local\Temp\tmp1EFD.tmp"
      2⤵
      • System Location Discovery: System Language Discovery
      • Scheduled Task/Job: Scheduled Task
      PID:4924
    • C:\Users\Admin\AppData\Local\Temp\1\0178b79bd084c2597b2de4e62e61a88bb8359e4fcac2fe672bb887e0e52e5dbd.exe
      "C:\Users\Admin\AppData\Local\Temp\1\0178b79bd084c2597b2de4e62e61a88bb8359e4fcac2fe672bb887e0e52e5dbd.exe"
      2⤵
        PID:3756
      • C:\Users\Admin\AppData\Local\Temp\1\0178b79bd084c2597b2de4e62e61a88bb8359e4fcac2fe672bb887e0e52e5dbd.exe
        "C:\Users\Admin\AppData\Local\Temp\1\0178b79bd084c2597b2de4e62e61a88bb8359e4fcac2fe672bb887e0e52e5dbd.exe"
        2⤵
        • Adds Run key to start application
        • System Location Discovery: System Language Discovery
        • Suspicious behavior: EnumeratesProcesses
        • Suspicious use of AdjustPrivilegeToken
        PID:3924

    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

      cf511f81cd992dbacdae1d277ea0e4b0

      SHA1

      91e81941c8b7158d907ad0ff5b5b936f4fb9bfa3

      SHA256

      ffcb01f7b23d9b379f45de8d72c2141bfee49b1ebc23c5f1ba7efda1b06cabf6

      SHA512

      31754c660fd03070dd5f1806733edf600bc71452f0a49497d0b2537aafa117e8d703de5d22458a2e40bc9c04e7a7336b682c11f3d6dc6f3c4d0309b9f8616331

    • C:\Users\Admin\AppData\Local\Temp\__PSScriptPolicyTest_ntxclbno.uwi.ps1

      Filesize

      60B

      MD5

      d17fe0a3f47be24a6453e9ef58c94641

      SHA1

      6ab83620379fc69f80c0242105ddffd7d98d5d9d

      SHA256

      96ad1146eb96877eab5942ae0736b82d8b5e2039a80d3d6932665c1a4c87dcf7

      SHA512

      5b592e58f26c264604f98f6aa12860758ce606d1c63220736cf0c779e4e18e3cec8706930a16c38b20161754d1017d1657d35258e58ca22b18f5b232880dec82

    • C:\Users\Admin\AppData\Local\Temp\tmp1EFD.tmp

      Filesize

      1KB

      MD5

      a559210dbaea340bab16771081e9c84e

      SHA1

      1493445159cb42663cfb542e31e24f15e95f7f19

      SHA256

      f409b3cf5e91bdb689c93a1525f9e119de49739618929af783e1f9d3d0e5472e

      SHA512

      0dac99e8d2af2996faede279d80325ac2b414dedf704a8db37410fba837ce202ea0e8b929f607f03f5a1b758140955214bea7f08fb2e61eedafaad3fd7f074b4

    • memory/1096-67-0x0000000007720000-0x00000000077B6000-memory.dmp

      Filesize

      600KB

    • memory/1096-78-0x00000000076A0000-0x00000000076B1000-memory.dmp

      Filesize

      68KB

    • memory/1096-51-0x0000000006740000-0x0000000006772000-memory.dmp

      Filesize

      200KB

    • memory/1096-52-0x000000006F600000-0x000000006F64C000-memory.dmp

      Filesize

      304KB

    • memory/1096-85-0x0000000074660000-0x0000000074E10000-memory.dmp

      Filesize

      7.7MB

    • memory/1096-82-0x00000000077C0000-0x00000000077C8000-memory.dmp

      Filesize

      32KB

    • memory/1096-81-0x00000000077E0000-0x00000000077FA000-memory.dmp

      Filesize

      104KB

    • memory/1096-15-0x0000000001280000-0x00000000012B6000-memory.dmp

      Filesize

      216KB

    • memory/1096-16-0x0000000074660000-0x0000000074E10000-memory.dmp

      Filesize

      7.7MB

    • memory/1096-80-0x00000000076E0000-0x00000000076F4000-memory.dmp

      Filesize

      80KB

    • memory/1096-79-0x00000000076D0000-0x00000000076DE000-memory.dmp

      Filesize

      56KB

    • memory/1096-49-0x0000000006210000-0x000000000625C000-memory.dmp

      Filesize

      304KB

    • memory/1096-47-0x0000000006180000-0x000000000619E000-memory.dmp

      Filesize

      120KB

    • memory/1096-66-0x0000000007520000-0x000000000752A000-memory.dmp

      Filesize

      40KB

    • memory/1096-64-0x0000000007AF0000-0x000000000816A000-memory.dmp

      Filesize

      6.5MB

    • memory/1096-65-0x00000000074A0000-0x00000000074BA000-memory.dmp

      Filesize

      104KB

    • memory/1096-23-0x0000000005B90000-0x0000000005EE4000-memory.dmp

      Filesize

      3.3MB

    • memory/1096-30-0x0000000074660000-0x0000000074E10000-memory.dmp

      Filesize

      7.7MB

    • memory/1096-63-0x0000000007160000-0x0000000007203000-memory.dmp

      Filesize

      652KB

    • memory/1096-62-0x0000000006720000-0x000000000673E000-memory.dmp

      Filesize

      120KB

    • memory/1096-18-0x0000000074660000-0x0000000074E10000-memory.dmp

      Filesize

      7.7MB

    • memory/3924-46-0x0000000000400000-0x0000000000442000-memory.dmp

      Filesize

      264KB

    • memory/3924-91-0x0000000006D50000-0x0000000006DA0000-memory.dmp

      Filesize

      320KB

    • memory/4076-7-0x0000000005B80000-0x0000000005B90000-memory.dmp

      Filesize

      64KB

    • memory/4076-10-0x00000000072A0000-0x000000000733C000-memory.dmp

      Filesize

      624KB

    • memory/4076-6-0x00000000068C0000-0x0000000006DEC000-memory.dmp

      Filesize

      5.2MB

    • memory/4076-5-0x0000000074660000-0x0000000074E10000-memory.dmp

      Filesize

      7.7MB

    • memory/4076-3-0x0000000005740000-0x00000000057D2000-memory.dmp

      Filesize

      584KB

    • memory/4076-4-0x0000000005800000-0x000000000580A000-memory.dmp

      Filesize

      40KB

    • memory/4076-50-0x0000000074660000-0x0000000074E10000-memory.dmp

      Filesize

      7.7MB

    • memory/4076-8-0x0000000005DC0000-0x0000000005DCE000-memory.dmp

      Filesize

      56KB

    • memory/4076-1-0x0000000000CC0000-0x0000000000D70000-memory.dmp

      Filesize

      704KB

    • memory/4076-0-0x000000007466E000-0x000000007466F000-memory.dmp

      Filesize

      4KB

    • memory/4076-2-0x0000000005DE0000-0x0000000006384000-memory.dmp

      Filesize

      5.6MB

    • memory/4076-9-0x0000000007020000-0x00000000070A4000-memory.dmp

      Filesize

      528KB

    • memory/4448-24-0x0000000074660000-0x0000000074E10000-memory.dmp

      Filesize

      7.7MB

    • memory/4448-17-0x00000000052D0000-0x00000000058F8000-memory.dmp

      Filesize

      6.2MB

    • memory/4448-45-0x0000000074660000-0x0000000074E10000-memory.dmp

      Filesize

      7.7MB

    • memory/4448-21-0x0000000005900000-0x0000000005966000-memory.dmp

      Filesize

      408KB

    • memory/4448-68-0x000000006F600000-0x000000006F64C000-memory.dmp

      Filesize

      304KB

    • memory/4448-19-0x0000000004F40000-0x0000000004F62000-memory.dmp

      Filesize

      136KB

    • memory/4448-22-0x0000000074660000-0x0000000074E10000-memory.dmp

      Filesize

      7.7MB

    • memory/4448-89-0x0000000074660000-0x0000000074E10000-memory.dmp

      Filesize

      7.7MB

    • memory/4448-20-0x0000000005060000-0x00000000050C6000-memory.dmp

      Filesize

      408KB