Analysis

  • max time kernel
    128s
  • max time network
    154s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20240802-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20240802-enlocale:en-usos:windows10-2004-x64system
  • submitted
    16-09-2024 19:24

General

  • Target

    Payment Confirmation.exe

  • Size

    810.6MB

  • MD5

    80084f611a6210c1b59f6d7d672bcdde

  • SHA1

    0d1a1a9b27b1ba74e7603c4257eac203c63ea00e

  • SHA256

    c3d48de6a3ba0557c17e337205c597957c26baab2adbb3ae3909e83ef087fe90

  • SHA512

    3d49d606aa1dcc56d3021edf0870d0c39dfa19c658424ada459b58663d82f4decddcea662b6adca8ae67ce3a5282965849b413d64433438374132af05a9bad16

  • SSDEEP

    12288:uXX8vpiZVD7exhoDQRkYLulRnDqXSAzdeatPksfU8gee2GJF0kWN:W8xaGSAkKubqXJrQee9JGkWN

Malware Config

Extracted

Family

agenttesla

C2

https://api.telegram.org/bot7000875199:AAGcJDBHFcfVUBvhBO4xZLw34OXk1NWXSe0/

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.

  • 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 9 IoCs
  • Suspicious use of AdjustPrivilegeToken 3 IoCs
  • Suspicious use of WriteProcessMemory 17 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\Payment Confirmation.exe
    "C:\Users\Admin\AppData\Local\Temp\Payment Confirmation.exe"
    1⤵
    • Checks computer location settings
    • Suspicious use of SetThreadContext
    • System Location Discovery: System Language Discovery
    • Suspicious use of WriteProcessMemory
    PID:1392
    • 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\Payment Confirmation.exe"
      2⤵
      • Command and Scripting Interpreter: PowerShell
      • System Location Discovery: System Language Discovery
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      PID:4704
    • C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe
      "C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" Add-MpPreference -ExclusionPath "C:\Users\Admin\AppData\Roaming\hdusbcAb.exe"
      2⤵
      • Command and Scripting Interpreter: PowerShell
      • System Location Discovery: System Language Discovery
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      PID:5084
    • C:\Windows\SysWOW64\schtasks.exe
      "C:\Windows\System32\schtasks.exe" /Create /TN "Updates\hdusbcAb" /XML "C:\Users\Admin\AppData\Local\Temp\tmp8316.tmp"
      2⤵
      • System Location Discovery: System Language Discovery
      • Scheduled Task/Job: Scheduled Task
      PID:2268
    • C:\Users\Admin\AppData\Local\Temp\Payment Confirmation.exe
      "C:\Users\Admin\AppData\Local\Temp\Payment Confirmation.exe"
      2⤵
      • System Location Discovery: System Language Discovery
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      PID:3188
  • C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
    "C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=utility --utility-sub-type=asset_store.mojom.AssetStoreService --lang=en-US --service-sandbox-type=asset_store_service --field-trial-handle=4052,i,1828333185976713750,7918646547767660928,262144 --variations-seed-version --mojo-platform-channel-handle=4352 /prefetch:8
    1⤵
      PID:3204

    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

      4169b1e9804979cd3f110a9ab7ed05df

      SHA1

      9d5c49d7a578c68eba6d050fb56459713516c317

      SHA256

      916dac0274cb5749a45abf3fcd3990e4bbfc95b7316ec361c9a45249acd81071

      SHA512

      38dafb9fff4c8f582419d217f242eea5512ff0ed5d590bb23f50007d38ff8c25d0772e09e666e07c464aae8bac53b641e20bfaaeadbba5f82b7f1e9932508167

    • C:\Users\Admin\AppData\Local\Temp\__PSScriptPolicyTest_g1t2sscw.ruu.ps1

      Filesize

      60B

      MD5

      d17fe0a3f47be24a6453e9ef58c94641

      SHA1

      6ab83620379fc69f80c0242105ddffd7d98d5d9d

      SHA256

      96ad1146eb96877eab5942ae0736b82d8b5e2039a80d3d6932665c1a4c87dcf7

      SHA512

      5b592e58f26c264604f98f6aa12860758ce606d1c63220736cf0c779e4e18e3cec8706930a16c38b20161754d1017d1657d35258e58ca22b18f5b232880dec82

    • C:\Users\Admin\AppData\Local\Temp\tmp8316.tmp

      Filesize

      1KB

      MD5

      35c14a67cfc8197063225f96d7fbe164

      SHA1

      12584ac31b9e3966a8d105e9598d5057828f3a40

      SHA256

      b60a0be347ca81908109cf634ad33acc4d3bf97fdd758c2a3d4caceb78f94e57

      SHA512

      fb696bcf9a383569317e36d98c7102070dad31457eb8678547c55a1588774874276352deab3b8527e80405a8e41eec52c2d40e182deeecd992747e9665341ee8

    • memory/1392-8-0x0000000074F9E000-0x0000000074F9F000-memory.dmp

      Filesize

      4KB

    • memory/1392-11-0x000000000A610000-0x000000000A6AC000-memory.dmp

      Filesize

      624KB

    • memory/1392-6-0x0000000005900000-0x000000000599A000-memory.dmp

      Filesize

      616KB

    • memory/1392-7-0x0000000007B40000-0x0000000007B4E000-memory.dmp

      Filesize

      56KB

    • memory/1392-4-0x00000000051F0000-0x00000000051FA000-memory.dmp

      Filesize

      40KB

    • memory/1392-9-0x0000000074F90000-0x0000000075740000-memory.dmp

      Filesize

      7.7MB

    • memory/1392-10-0x0000000007E90000-0x0000000007F14000-memory.dmp

      Filesize

      528KB

    • memory/1392-5-0x0000000074F90000-0x0000000075740000-memory.dmp

      Filesize

      7.7MB

    • memory/1392-0-0x0000000074F9E000-0x0000000074F9F000-memory.dmp

      Filesize

      4KB

    • memory/1392-3-0x0000000005250000-0x00000000052E2000-memory.dmp

      Filesize

      584KB

    • memory/1392-2-0x00000000059A0000-0x0000000005F44000-memory.dmp

      Filesize

      5.6MB

    • memory/1392-49-0x0000000074F90000-0x0000000075740000-memory.dmp

      Filesize

      7.7MB

    • memory/1392-1-0x00000000007A0000-0x0000000000842000-memory.dmp

      Filesize

      648KB

    • memory/3188-47-0x0000000000400000-0x0000000000442000-memory.dmp

      Filesize

      264KB

    • memory/3188-89-0x00000000063B0000-0x0000000006400000-memory.dmp

      Filesize

      320KB

    • memory/4704-30-0x0000000005D60000-0x0000000005DAC000-memory.dmp

      Filesize

      304KB

    • memory/4704-63-0x0000000007680000-0x0000000007CFA000-memory.dmp

      Filesize

      6.5MB

    • memory/4704-29-0x0000000005D00000-0x0000000005D1E000-memory.dmp

      Filesize

      120KB

    • memory/4704-18-0x00000000056F0000-0x0000000005756000-memory.dmp

      Filesize

      408KB

    • memory/4704-12-0x0000000004750000-0x0000000004786000-memory.dmp

      Filesize

      216KB

    • memory/4704-13-0x0000000074F90000-0x0000000075740000-memory.dmp

      Filesize

      7.7MB

    • memory/4704-17-0x0000000005680000-0x00000000056E6000-memory.dmp

      Filesize

      408KB

    • memory/4704-16-0x0000000004E50000-0x0000000004E72000-memory.dmp

      Filesize

      136KB

    • memory/4704-15-0x0000000074F90000-0x0000000075740000-memory.dmp

      Filesize

      7.7MB

    • memory/4704-61-0x00000000062C0000-0x00000000062DE000-memory.dmp

      Filesize

      120KB

    • memory/4704-62-0x0000000006CE0000-0x0000000006D83000-memory.dmp

      Filesize

      652KB

    • memory/4704-51-0x000000006FEE0000-0x000000006FF2C000-memory.dmp

      Filesize

      304KB

    • memory/4704-50-0x00000000062E0000-0x0000000006312000-memory.dmp

      Filesize

      200KB

    • memory/4704-28-0x0000000005860000-0x0000000005BB4000-memory.dmp

      Filesize

      3.3MB

    • memory/4704-64-0x0000000007040000-0x000000000705A000-memory.dmp

      Filesize

      104KB

    • memory/4704-65-0x00000000070B0000-0x00000000070BA000-memory.dmp

      Filesize

      40KB

    • memory/4704-66-0x00000000072C0000-0x0000000007356000-memory.dmp

      Filesize

      600KB

    • memory/4704-67-0x0000000007240000-0x0000000007251000-memory.dmp

      Filesize

      68KB

    • memory/4704-14-0x0000000004EE0000-0x0000000005508000-memory.dmp

      Filesize

      6.2MB

    • memory/4704-78-0x0000000007270000-0x000000000727E000-memory.dmp

      Filesize

      56KB

    • memory/4704-79-0x0000000007280000-0x0000000007294000-memory.dmp

      Filesize

      80KB

    • memory/4704-80-0x0000000007380000-0x000000000739A000-memory.dmp

      Filesize

      104KB

    • memory/4704-81-0x0000000007360000-0x0000000007368000-memory.dmp

      Filesize

      32KB

    • memory/4704-84-0x0000000074F90000-0x0000000075740000-memory.dmp

      Filesize

      7.7MB

    • memory/5084-68-0x000000006FEE0000-0x000000006FF2C000-memory.dmp

      Filesize

      304KB

    • memory/5084-36-0x0000000074F90000-0x0000000075740000-memory.dmp

      Filesize

      7.7MB

    • memory/5084-88-0x0000000074F90000-0x0000000075740000-memory.dmp

      Filesize

      7.7MB

    • memory/5084-35-0x0000000074F90000-0x0000000075740000-memory.dmp

      Filesize

      7.7MB