Analysis

  • max time kernel
    150s
  • max time network
    151s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20240730-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20240730-enlocale:en-usos:windows10-2004-x64system
  • submitted
    02-08-2024 12:27

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 10 IoCs
  • Suspicious use of AdjustPrivilegeToken 4 IoCs
  • Suspicious use of WriteProcessMemory 17 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:1584
    • 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:4932
    • 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:3508
    • C:\Windows\SysWOW64\schtasks.exe
      "C:\Windows\System32\schtasks.exe" /Create /TN "Updates\yZxVRz" /XML "C:\Users\Admin\AppData\Local\Temp\tmpDFC1.tmp"
      2⤵
      • System Location Discovery: System Language Discovery
      • Scheduled Task/Job: Scheduled Task
      PID:2260
    • 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:4068

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

    3d086a433708053f9bf9523e1d87a4e8

    SHA1

    b3ab5d4f282a4c8fe8c3005b8a557ed5a0e37f28

    SHA256

    6f8fd1b8d9788ad54eaeee329232187e24b7b43393a01aeba2d6e9675231fb69

    SHA512

    931ae42b4c68a4507ff2342332b08eb407050d47cf4176137ea022d0f6e513c689e998445a04c6d18d4877391705c586bfce0234632b898d41aaed0957996dfd

  • C:\Users\Admin\AppData\Local\Temp\__PSScriptPolicyTest_eb551zmo.ehk.ps1

    Filesize

    60B

    MD5

    d17fe0a3f47be24a6453e9ef58c94641

    SHA1

    6ab83620379fc69f80c0242105ddffd7d98d5d9d

    SHA256

    96ad1146eb96877eab5942ae0736b82d8b5e2039a80d3d6932665c1a4c87dcf7

    SHA512

    5b592e58f26c264604f98f6aa12860758ce606d1c63220736cf0c779e4e18e3cec8706930a16c38b20161754d1017d1657d35258e58ca22b18f5b232880dec82

  • C:\Users\Admin\AppData\Local\Temp\tmpDFC1.tmp

    Filesize

    1KB

    MD5

    f14568dde01ba49cb160a9ba72803fbe

    SHA1

    4f86182d6947c9626badb01e9629e51f8bf166ac

    SHA256

    9655fc36173c1f461530ecb587a7dfc7f7837f5fefc4703bf1b6ba32a4dccc37

    SHA512

    87e68aef07c405f67b8072ac65011fcd2aa69574fafdb154ad5bf8a8719fa4d4cea4c20dbaf5f5c571584ebfed831c06de496f47bd50453dad4fe470c36fc731

  • memory/1584-6-0x0000000006A30000-0x0000000006F5C000-memory.dmp

    Filesize

    5.2MB

  • memory/1584-4-0x0000000005930000-0x000000000593A000-memory.dmp

    Filesize

    40KB

  • memory/1584-5-0x0000000074D90000-0x0000000075540000-memory.dmp

    Filesize

    7.7MB

  • memory/1584-3-0x0000000005870000-0x0000000005902000-memory.dmp

    Filesize

    584KB

  • memory/1584-7-0x0000000005BB0000-0x0000000005BC0000-memory.dmp

    Filesize

    64KB

  • memory/1584-8-0x00000000072A0000-0x00000000072AE000-memory.dmp

    Filesize

    56KB

  • memory/1584-9-0x0000000007300000-0x0000000007384000-memory.dmp

    Filesize

    528KB

  • memory/1584-10-0x0000000009A80000-0x0000000009B1C000-memory.dmp

    Filesize

    624KB

  • memory/1584-48-0x0000000074D90000-0x0000000075540000-memory.dmp

    Filesize

    7.7MB

  • memory/1584-2-0x0000000005F50000-0x00000000064F4000-memory.dmp

    Filesize

    5.6MB

  • memory/1584-0-0x0000000074D9E000-0x0000000074D9F000-memory.dmp

    Filesize

    4KB

  • memory/1584-1-0x0000000000DF0000-0x0000000000EA0000-memory.dmp

    Filesize

    704KB

  • memory/3508-82-0x0000000007E90000-0x0000000007E98000-memory.dmp

    Filesize

    32KB

  • memory/3508-87-0x0000000074D90000-0x0000000075540000-memory.dmp

    Filesize

    7.7MB

  • memory/3508-24-0x0000000074D90000-0x0000000075540000-memory.dmp

    Filesize

    7.7MB

  • memory/3508-80-0x0000000007DB0000-0x0000000007DC4000-memory.dmp

    Filesize

    80KB

  • memory/3508-62-0x00000000755F0000-0x000000007563C000-memory.dmp

    Filesize

    304KB

  • memory/3508-31-0x0000000074D90000-0x0000000075540000-memory.dmp

    Filesize

    7.7MB

  • memory/3508-77-0x0000000007DF0000-0x0000000007E86000-memory.dmp

    Filesize

    600KB

  • memory/3508-19-0x0000000074D90000-0x0000000075540000-memory.dmp

    Filesize

    7.7MB

  • memory/3508-23-0x00000000061C0000-0x0000000006226000-memory.dmp

    Filesize

    408KB

  • memory/3508-78-0x0000000007D70000-0x0000000007D81000-memory.dmp

    Filesize

    68KB

  • memory/3508-22-0x0000000006150000-0x00000000061B6000-memory.dmp

    Filesize

    408KB

  • memory/3508-21-0x0000000005980000-0x00000000059A2000-memory.dmp

    Filesize

    136KB

  • memory/3508-49-0x0000000006860000-0x000000000687E000-memory.dmp

    Filesize

    120KB

  • memory/3508-50-0x00000000068E0000-0x000000000692C000-memory.dmp

    Filesize

    304KB

  • memory/4068-89-0x0000000006920000-0x0000000006970000-memory.dmp

    Filesize

    320KB

  • memory/4068-46-0x0000000000400000-0x0000000000442000-memory.dmp

    Filesize

    264KB

  • memory/4932-42-0x00000000056D0000-0x0000000005A24000-memory.dmp

    Filesize

    3.3MB

  • memory/4932-71-0x0000000006E50000-0x0000000006E6E000-memory.dmp

    Filesize

    120KB

  • memory/4932-73-0x0000000006E80000-0x0000000006F23000-memory.dmp

    Filesize

    652KB

  • memory/4932-75-0x0000000006FC0000-0x0000000006FDA000-memory.dmp

    Filesize

    104KB

  • memory/4932-74-0x0000000007600000-0x0000000007C7A000-memory.dmp

    Filesize

    6.5MB

  • memory/4932-76-0x0000000007030000-0x000000000703A000-memory.dmp

    Filesize

    40KB

  • memory/4932-51-0x0000000006DF0000-0x0000000006E22000-memory.dmp

    Filesize

    200KB

  • memory/4932-52-0x00000000755F0000-0x000000007563C000-memory.dmp

    Filesize

    304KB

  • memory/4932-79-0x00000000071F0000-0x00000000071FE000-memory.dmp

    Filesize

    56KB

  • memory/4932-25-0x0000000074D90000-0x0000000075540000-memory.dmp

    Filesize

    7.7MB

  • memory/4932-81-0x0000000007300000-0x000000000731A000-memory.dmp

    Filesize

    104KB

  • memory/4932-18-0x0000000074D90000-0x0000000075540000-memory.dmp

    Filesize

    7.7MB

  • memory/4932-86-0x0000000074D90000-0x0000000075540000-memory.dmp

    Filesize

    7.7MB

  • memory/4932-17-0x0000000074D90000-0x0000000075540000-memory.dmp

    Filesize

    7.7MB

  • memory/4932-16-0x0000000004E20000-0x0000000005448000-memory.dmp

    Filesize

    6.2MB

  • memory/4932-15-0x0000000002380000-0x00000000023B6000-memory.dmp

    Filesize

    216KB