Analysis

  • max time kernel
    97s
  • max time network
    150s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20240802-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20240802-enlocale:en-usos:windows10-2004-x64system
  • submitted
    20-09-2024 18:47

General

  • Target

    Invoice_0167562.exe

  • Size

    635KB

  • MD5

    204ac6e77b42347b084cd3fc41850fc1

  • SHA1

    fe84f5afeceb6b463eb4505f51d2d868bf20d330

  • SHA256

    53b88a249d4c970ada7b688e9e44282aa3a36c44a4b170bd2988b5b53c8a224b

  • SHA512

    c0e7d63bc3e6a66854e342eb222892a140bde52d4af646b9e1125f2de04b1d9f6e6e99ae04d15d334af09165246e8bc7da11b728b55bf36acdf06a94d9fedbaa

  • SSDEEP

    12288:rK6momWOHSR+MSaaICgYeem6OvbVXgX/8hHVbzvzg0WOvnbp9:Db/BR+Mtz0m6QVX0Y1U0/

Malware Config

Extracted

Credentials

  • Protocol:
    smtp
  • Host:
    smtp.mailo.com
  • Port:
    587
  • Username:
    [email protected]
  • Password:
    Nosakhare1995

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 1 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 4 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 6 IoCs
  • Suspicious use of AdjustPrivilegeToken 3 IoCs
  • Suspicious use of SetWindowsHookEx 1 IoCs
  • Suspicious use of WriteProcessMemory 14 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\Invoice_0167562.exe
    "C:\Users\Admin\AppData\Local\Temp\Invoice_0167562.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:3220
    • C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe
      "C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" Add-MpPreference -ExclusionPath "C:\Users\Admin\AppData\Roaming\OfGudSe.exe"
      2⤵
      • Command and Scripting Interpreter: PowerShell
      • System Location Discovery: System Language Discovery
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      PID:2936
    • C:\Windows\SysWOW64\schtasks.exe
      "C:\Windows\System32\schtasks.exe" /Create /TN "Updates\OfGudSe" /XML "C:\Users\Admin\AppData\Local\Temp\tmpF750.tmp"
      2⤵
      • System Location Discovery: System Language Discovery
      • Scheduled Task/Job: Scheduled Task
      PID:3032
    • C:\Users\Admin\AppData\Local\Temp\Invoice_0167562.exe
      "C:\Users\Admin\AppData\Local\Temp\Invoice_0167562.exe"
      2⤵
      • Adds Run key to start application
      • System Location Discovery: System Language Discovery
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      • Suspicious use of SetWindowsHookEx
      PID:3660

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

Loading Replay Monitor...

Downloads

  • C:\Users\Admin\AppData\Local\Temp\__PSScriptPolicyTest_bzyub20i.gpd.ps1

    Filesize

    60B

    MD5

    d17fe0a3f47be24a6453e9ef58c94641

    SHA1

    6ab83620379fc69f80c0242105ddffd7d98d5d9d

    SHA256

    96ad1146eb96877eab5942ae0736b82d8b5e2039a80d3d6932665c1a4c87dcf7

    SHA512

    5b592e58f26c264604f98f6aa12860758ce606d1c63220736cf0c779e4e18e3cec8706930a16c38b20161754d1017d1657d35258e58ca22b18f5b232880dec82

  • C:\Users\Admin\AppData\Local\Temp\tmpF750.tmp

    Filesize

    1KB

    MD5

    fe2579b1b4604f142787486b4f6c4a35

    SHA1

    5aeee50a585d957f31ebf21b49e559b5b6595278

    SHA256

    29f4bef889d5d9766e0cc2a1e8316ad4b977beb7758b962d4822fba0ee7f8c86

    SHA512

    2e8e4c2c9db6ff623aeb8b77c8c0177cfd72bd3d6363d337a57a68c18a367227511c0b217651943319dd9dbea7d3984d28510f18d4412f16515e2a088056d020

  • memory/2936-55-0x0000000006BC0000-0x0000000006C63000-memory.dmp

    Filesize

    652KB

  • memory/2936-29-0x0000000005320000-0x0000000005342000-memory.dmp

    Filesize

    136KB

  • memory/2936-62-0x0000000007130000-0x0000000007144000-memory.dmp

    Filesize

    80KB

  • memory/2936-61-0x0000000007120000-0x000000000712E000-memory.dmp

    Filesize

    56KB

  • memory/2936-60-0x00000000070F0000-0x0000000007101000-memory.dmp

    Filesize

    68KB

  • memory/2936-59-0x0000000007170000-0x0000000007206000-memory.dmp

    Filesize

    600KB

  • memory/2936-58-0x0000000006F60000-0x0000000006F6A000-memory.dmp

    Filesize

    40KB

  • memory/2936-57-0x0000000006EF0000-0x0000000006F0A000-memory.dmp

    Filesize

    104KB

  • memory/2936-56-0x0000000007530000-0x0000000007BAA000-memory.dmp

    Filesize

    6.5MB

  • memory/2936-44-0x0000000070960000-0x00000000709AC000-memory.dmp

    Filesize

    304KB

  • memory/2936-35-0x0000000005500000-0x0000000005566000-memory.dmp

    Filesize

    408KB

  • memory/2936-63-0x0000000007230000-0x000000000724A000-memory.dmp

    Filesize

    104KB

  • memory/2936-67-0x0000000074C30000-0x00000000753E0000-memory.dmp

    Filesize

    7.7MB

  • memory/2936-20-0x0000000004CB0000-0x00000000052D8000-memory.dmp

    Filesize

    6.2MB

  • memory/2936-18-0x0000000074C30000-0x00000000753E0000-memory.dmp

    Filesize

    7.7MB

  • memory/2936-21-0x0000000074C30000-0x00000000753E0000-memory.dmp

    Filesize

    7.7MB

  • memory/2936-54-0x00000000061A0000-0x00000000061BE000-memory.dmp

    Filesize

    120KB

  • memory/2936-22-0x0000000074C30000-0x00000000753E0000-memory.dmp

    Filesize

    7.7MB

  • memory/2936-43-0x0000000006B80000-0x0000000006BB2000-memory.dmp

    Filesize

    200KB

  • memory/2936-42-0x0000000005C00000-0x0000000005C4C000-memory.dmp

    Filesize

    304KB

  • memory/2936-41-0x0000000005BC0000-0x0000000005BDE000-memory.dmp

    Filesize

    120KB

  • memory/2936-17-0x0000000004610000-0x0000000004646000-memory.dmp

    Filesize

    216KB

  • memory/2936-40-0x0000000005750000-0x0000000005AA4000-memory.dmp

    Filesize

    3.3MB

  • memory/2936-64-0x0000000007210000-0x0000000007218000-memory.dmp

    Filesize

    32KB

  • memory/3220-11-0x0000000007030000-0x00000000070AC000-memory.dmp

    Filesize

    496KB

  • memory/3220-7-0x0000000074C3E000-0x0000000074C3F000-memory.dmp

    Filesize

    4KB

  • memory/3220-28-0x0000000074C30000-0x00000000753E0000-memory.dmp

    Filesize

    7.7MB

  • memory/3220-1-0x0000000000E70000-0x0000000000F14000-memory.dmp

    Filesize

    656KB

  • memory/3220-2-0x0000000005E10000-0x00000000063B4000-memory.dmp

    Filesize

    5.6MB

  • memory/3220-3-0x0000000005900000-0x0000000005992000-memory.dmp

    Filesize

    584KB

  • memory/3220-12-0x0000000009680000-0x000000000971C000-memory.dmp

    Filesize

    624KB

  • memory/3220-0-0x0000000074C3E000-0x0000000074C3F000-memory.dmp

    Filesize

    4KB

  • memory/3220-10-0x0000000005C20000-0x0000000005C2E000-memory.dmp

    Filesize

    56KB

  • memory/3220-9-0x0000000005C10000-0x0000000005C1A000-memory.dmp

    Filesize

    40KB

  • memory/3220-8-0x0000000074C30000-0x00000000753E0000-memory.dmp

    Filesize

    7.7MB

  • memory/3220-4-0x0000000005AC0000-0x0000000005ACA000-memory.dmp

    Filesize

    40KB

  • memory/3220-6-0x0000000005BE0000-0x0000000005BF4000-memory.dmp

    Filesize

    80KB

  • memory/3220-5-0x0000000074C30000-0x00000000753E0000-memory.dmp

    Filesize

    7.7MB

  • memory/3660-27-0x0000000074C30000-0x00000000753E0000-memory.dmp

    Filesize

    7.7MB

  • memory/3660-23-0x0000000000400000-0x0000000000442000-memory.dmp

    Filesize

    264KB

  • memory/3660-25-0x0000000074C30000-0x00000000753E0000-memory.dmp

    Filesize

    7.7MB

  • memory/3660-26-0x00000000058D0000-0x0000000005936000-memory.dmp

    Filesize

    408KB

  • memory/3660-69-0x0000000006E50000-0x0000000006EA0000-memory.dmp

    Filesize

    320KB

  • memory/3660-70-0x0000000074C30000-0x00000000753E0000-memory.dmp

    Filesize

    7.7MB

  • memory/3660-71-0x0000000074C30000-0x00000000753E0000-memory.dmp

    Filesize

    7.7MB