Analysis

  • max time kernel
    138s
  • max time network
    143s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20240226-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20240226-enlocale:en-usos:windows10-2004-x64system
  • submitted
    03/04/2024, 11:15

General

  • Target

    yWQK3JWrMiYdSNG.exe

  • Size

    632KB

  • MD5

    6ceddbf6cce1a61048b8c9f2f42108c5

  • SHA1

    a9aadd0abed5397ae62f6095e5b05f5d5eb9055f

  • SHA256

    105c79d054029dcf3d38c5ba526dc7c111cc2e2e6fb2555a88c0820a6ba9eb52

  • SHA512

    e9f733cad22fbb711ea029039aefe799c6172e81b275f93c8699d912e289e47ee93b1282f005e941780284ad74359d85aa20d583754eb39c11581ab8c090e1b7

  • SSDEEP

    12288:lZcsd8531D0sDjNvu56pw/XVyBcYZkYeUZJouWPZzQvX/Lgf2LWl:ltK1D0+NW5MeVyB8LGJouq6//Ef2al

Malware Config

Extracted

Credentials

  • Protocol:
    smtp
  • Host:
    mail.funworld.co.id
  • Port:
    587
  • Username:
    [email protected]
  • Password:
    fwp123mail

Extracted

Family

agenttesla

Credentials

Signatures

  • AgentTesla

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

  • 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).

  • Creates scheduled task(s) 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 2 IoCs
  • Suspicious use of SetWindowsHookEx 1 IoCs
  • Suspicious use of WriteProcessMemory 14 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\yWQK3JWrMiYdSNG.exe
    "C:\Users\Admin\AppData\Local\Temp\yWQK3JWrMiYdSNG.exe"
    1⤵
    • Checks computer location settings
    • Suspicious use of SetThreadContext
    • Suspicious use of WriteProcessMemory
    PID:1596
    • C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe
      "C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" Add-MpPreference -ExclusionPath "C:\Users\Admin\AppData\Roaming\SVxgdVWqIPqwco.exe"
      2⤵
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      PID:3836
    • C:\Windows\SysWOW64\schtasks.exe
      "C:\Windows\System32\schtasks.exe" /Create /TN "Updates\SVxgdVWqIPqwco" /XML "C:\Users\Admin\AppData\Local\Temp\tmp39C8.tmp"
      2⤵
      • Creates scheduled task(s)
      PID:4412
    • C:\Users\Admin\AppData\Local\Temp\yWQK3JWrMiYdSNG.exe
      "C:\Users\Admin\AppData\Local\Temp\yWQK3JWrMiYdSNG.exe"
      2⤵
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      • Suspicious use of SetWindowsHookEx
      PID:2220
  • 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 --no-appcompat-clear --mojo-platform-channel-handle=3972 --field-trial-handle=2276,i,11674642242468042059,14711253743544118298,262144 --variations-seed-version /prefetch:8
    1⤵
      PID:4488

    Network

          MITRE ATT&CK Enterprise v15

          Replay Monitor

          Loading Replay Monitor...

          Downloads

          • C:\Users\Admin\AppData\Local\Microsoft\CLR_v4.0_32\UsageLogs\yWQK3JWrMiYdSNG.exe.log

            Filesize

            1KB

            MD5

            8ec831f3e3a3f77e4a7b9cd32b48384c

            SHA1

            d83f09fd87c5bd86e045873c231c14836e76a05c

            SHA256

            7667e538030e3f8ce2886e47a01af24cb0ea70528b1e821c5d8832c5076cb982

            SHA512

            26bffa2406b66368bd412bf25869a792631455645992cdcade2dbc13a2e56fb546414a6a9223b94c96c38d89187add6678d4779a88b38b0c9e36be8527b213c3

          • C:\Users\Admin\AppData\Local\Temp\__PSScriptPolicyTest_fw31x05z.4sa.ps1

            Filesize

            60B

            MD5

            d17fe0a3f47be24a6453e9ef58c94641

            SHA1

            6ab83620379fc69f80c0242105ddffd7d98d5d9d

            SHA256

            96ad1146eb96877eab5942ae0736b82d8b5e2039a80d3d6932665c1a4c87dcf7

            SHA512

            5b592e58f26c264604f98f6aa12860758ce606d1c63220736cf0c779e4e18e3cec8706930a16c38b20161754d1017d1657d35258e58ca22b18f5b232880dec82

          • C:\Users\Admin\AppData\Local\Temp\tmp39C8.tmp

            Filesize

            1KB

            MD5

            c97b0ce17344430fce55968f80b2719f

            SHA1

            cd536f7901b387205b9c7e057ce7d5408620aa28

            SHA256

            dd93d7ba5eeabbca1db146d33058cccbbf474ae6b0b6da99a4bb9c4b49e509b4

            SHA512

            cad42c07099e17a65d2ca6dbe9d1762e5839fb5d9a56e520e6ac233045709f87a779ab8849094040d91af96db030b9c2ad4acc071067d768c0a34e8b031da836

          • memory/1596-10-0x0000000008D60000-0x0000000008DFC000-memory.dmp

            Filesize

            624KB

          • memory/1596-2-0x0000000005A30000-0x0000000005FD4000-memory.dmp

            Filesize

            5.6MB

          • memory/1596-5-0x0000000005430000-0x000000000543A000-memory.dmp

            Filesize

            40KB

          • memory/1596-6-0x00000000059F0000-0x0000000005A04000-memory.dmp

            Filesize

            80KB

          • memory/1596-7-0x0000000005A20000-0x0000000005A2A000-memory.dmp

            Filesize

            40KB

          • memory/1596-8-0x0000000006630000-0x000000000663C000-memory.dmp

            Filesize

            48KB

          • memory/1596-9-0x00000000066A0000-0x0000000006722000-memory.dmp

            Filesize

            520KB

          • memory/1596-25-0x0000000074F00000-0x00000000756B0000-memory.dmp

            Filesize

            7.7MB

          • memory/1596-0-0x0000000074F00000-0x00000000756B0000-memory.dmp

            Filesize

            7.7MB

          • memory/1596-1-0x00000000008D0000-0x0000000000974000-memory.dmp

            Filesize

            656KB

          • memory/1596-3-0x0000000005360000-0x00000000053F2000-memory.dmp

            Filesize

            584KB

          • memory/1596-4-0x0000000005330000-0x0000000005340000-memory.dmp

            Filesize

            64KB

          • memory/1596-19-0x0000000074F00000-0x00000000756B0000-memory.dmp

            Filesize

            7.7MB

          • memory/2220-60-0x00000000066D0000-0x0000000006720000-memory.dmp

            Filesize

            320KB

          • memory/2220-21-0x0000000000400000-0x0000000000440000-memory.dmp

            Filesize

            256KB

          • memory/2220-70-0x0000000074F00000-0x00000000756B0000-memory.dmp

            Filesize

            7.7MB

          • memory/2220-24-0x0000000074F00000-0x00000000756B0000-memory.dmp

            Filesize

            7.7MB

          • memory/2220-27-0x0000000005890000-0x00000000058F6000-memory.dmp

            Filesize

            408KB

          • memory/2220-26-0x0000000005880000-0x0000000005890000-memory.dmp

            Filesize

            64KB

          • memory/3836-15-0x0000000002580000-0x00000000025B6000-memory.dmp

            Filesize

            216KB

          • memory/3836-57-0x0000000007810000-0x0000000007E8A000-memory.dmp

            Filesize

            6.5MB

          • memory/3836-29-0x00000000056C0000-0x0000000005726000-memory.dmp

            Filesize

            408KB

          • memory/3836-20-0x0000000004FF0000-0x0000000005618000-memory.dmp

            Filesize

            6.2MB

          • memory/3836-39-0x00000000059D0000-0x0000000005D24000-memory.dmp

            Filesize

            3.3MB

          • memory/3836-40-0x0000000005EB0000-0x0000000005ECE000-memory.dmp

            Filesize

            120KB

          • memory/3836-41-0x0000000005F00000-0x0000000005F4C000-memory.dmp

            Filesize

            304KB

          • memory/3836-42-0x0000000002640000-0x0000000002650000-memory.dmp

            Filesize

            64KB

          • memory/3836-43-0x000000007F4B0000-0x000000007F4C0000-memory.dmp

            Filesize

            64KB

          • memory/3836-44-0x0000000006E70000-0x0000000006EA2000-memory.dmp

            Filesize

            200KB

          • memory/3836-45-0x0000000070B80000-0x0000000070BCC000-memory.dmp

            Filesize

            304KB

          • memory/3836-55-0x0000000006470000-0x000000000648E000-memory.dmp

            Filesize

            120KB

          • memory/3836-56-0x00000000070B0000-0x0000000007153000-memory.dmp

            Filesize

            652KB

          • memory/3836-28-0x0000000005620000-0x0000000005642000-memory.dmp

            Filesize

            136KB

          • memory/3836-58-0x00000000071C0000-0x00000000071DA000-memory.dmp

            Filesize

            104KB

          • memory/3836-59-0x0000000007230000-0x000000000723A000-memory.dmp

            Filesize

            40KB

          • memory/3836-18-0x0000000002640000-0x0000000002650000-memory.dmp

            Filesize

            64KB

          • memory/3836-61-0x0000000007440000-0x00000000074D6000-memory.dmp

            Filesize

            600KB

          • memory/3836-62-0x00000000073C0000-0x00000000073D1000-memory.dmp

            Filesize

            68KB

          • memory/3836-63-0x00000000073F0000-0x00000000073FE000-memory.dmp

            Filesize

            56KB

          • memory/3836-64-0x0000000007400000-0x0000000007414000-memory.dmp

            Filesize

            80KB

          • memory/3836-65-0x0000000007500000-0x000000000751A000-memory.dmp

            Filesize

            104KB

          • memory/3836-66-0x00000000074E0000-0x00000000074E8000-memory.dmp

            Filesize

            32KB

          • memory/3836-69-0x0000000074F00000-0x00000000756B0000-memory.dmp

            Filesize

            7.7MB

          • memory/3836-16-0x0000000074F00000-0x00000000756B0000-memory.dmp

            Filesize

            7.7MB