Analysis

  • max time kernel
    138s
  • max time network
    162s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20240226-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20240226-enlocale:en-usos:windows10-2004-x64system
  • submitted
    20/04/2024, 01:00

General

  • Target

    27f8fe9e4c2cf7bedf462a311aaf91698fb375f7002cdb3b290e872b6a27768c.exe

  • Size

    684KB

  • MD5

    0111d8dff50eb7684ed4baf327b93aa5

  • SHA1

    e88281f919ce248f011265396f60e6245f5a639c

  • SHA256

    27f8fe9e4c2cf7bedf462a311aaf91698fb375f7002cdb3b290e872b6a27768c

  • SHA512

    ece7bd6f1101d8f028033876db2735c3b9fd11aabf6157ca08a2025aed969b4cf4baf7f9a4f2750edcf73c08593c2a88a49359684270a3592875b303d5043b0d

  • SSDEEP

    12288:RVQmxUxWxKWNG/6xdWySZeh3I7O1/mnfv+hHG0i1e9f7qmKNDTKvAkR:Iq31PGehQc/myHG0weSPKf

Malware Config

Extracted

Credentials

  • Protocol:
    smtp
  • Host:
    smtp.viexaisa-gr.com
  • Port:
    587
  • Username:
    [email protected]
  • Password:
    ($eyukx1

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.

  • Looks up external IP address via web service 1 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).

  • 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 19 IoCs
  • Suspicious use of AdjustPrivilegeToken 4 IoCs
  • Suspicious use of SetWindowsHookEx 1 IoCs
  • Suspicious use of WriteProcessMemory 17 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\27f8fe9e4c2cf7bedf462a311aaf91698fb375f7002cdb3b290e872b6a27768c.exe
    "C:\Users\Admin\AppData\Local\Temp\27f8fe9e4c2cf7bedf462a311aaf91698fb375f7002cdb3b290e872b6a27768c.exe"
    1⤵
    • Checks computer location settings
    • Suspicious use of SetThreadContext
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of WriteProcessMemory
    PID:1504
    • 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\27f8fe9e4c2cf7bedf462a311aaf91698fb375f7002cdb3b290e872b6a27768c.exe"
      2⤵
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      PID:4032
    • C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe
      "C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" Add-MpPreference -ExclusionPath "C:\Users\Admin\AppData\Roaming\FKzYuwAgKP.exe"
      2⤵
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      PID:2960
    • C:\Windows\SysWOW64\schtasks.exe
      "C:\Windows\System32\schtasks.exe" /Create /TN "Updates\FKzYuwAgKP" /XML "C:\Users\Admin\AppData\Local\Temp\tmp2CD3.tmp"
      2⤵
      • Creates scheduled task(s)
      PID:996
    • C:\Users\Admin\AppData\Local\Temp\27f8fe9e4c2cf7bedf462a311aaf91698fb375f7002cdb3b290e872b6a27768c.exe
      "C:\Users\Admin\AppData\Local\Temp\27f8fe9e4c2cf7bedf462a311aaf91698fb375f7002cdb3b290e872b6a27768c.exe"
      2⤵
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      • Suspicious use of SetWindowsHookEx
      PID:3728
  • 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=3180 --field-trial-handle=2276,i,11674642242468042059,14711253743544118298,262144 --variations-seed-version /prefetch:8
    1⤵
      PID:2540

    Network

    MITRE ATT&CK Enterprise v15

    Replay Monitor

    Loading Replay Monitor...

    Downloads

    • C:\Users\Admin\AppData\Local\Temp\__PSScriptPolicyTest_4lezcqik.2ou.ps1

      Filesize

      60B

      MD5

      d17fe0a3f47be24a6453e9ef58c94641

      SHA1

      6ab83620379fc69f80c0242105ddffd7d98d5d9d

      SHA256

      96ad1146eb96877eab5942ae0736b82d8b5e2039a80d3d6932665c1a4c87dcf7

      SHA512

      5b592e58f26c264604f98f6aa12860758ce606d1c63220736cf0c779e4e18e3cec8706930a16c38b20161754d1017d1657d35258e58ca22b18f5b232880dec82

    • C:\Users\Admin\AppData\Local\Temp\tmp2CD3.tmp

      Filesize

      1KB

      MD5

      d24ad9c475583baf91c6c25a4d6842e9

      SHA1

      62390887071e66292f2eae728f578e61d03e9c47

      SHA256

      f31b16ba373a5f2574847f0f3b5e7c5adfe7e4dd37fbf9991fe469d5c527d818

      SHA512

      53164f46f08a5a7743327aea7a9052efbf8cb215fbfde5f45a849801fcfffa0509892137a1627b293fb51a5c6bcd1faebd291a64b11b51a33b327cde17798d1d

    • memory/1504-8-0x0000000005460000-0x000000000546E000-memory.dmp

      Filesize

      56KB

    • memory/1504-9-0x0000000005470000-0x0000000005484000-memory.dmp

      Filesize

      80KB

    • memory/1504-4-0x0000000005150000-0x00000000051F2000-memory.dmp

      Filesize

      648KB

    • memory/1504-5-0x00000000057D0000-0x0000000005D74000-memory.dmp

      Filesize

      5.6MB

    • memory/1504-6-0x0000000005320000-0x00000000053B2000-memory.dmp

      Filesize

      584KB

    • memory/1504-7-0x0000000005420000-0x0000000005438000-memory.dmp

      Filesize

      96KB

    • memory/1504-2-0x0000000074F00000-0x00000000756B0000-memory.dmp

      Filesize

      7.7MB

    • memory/1504-3-0x0000000005000000-0x0000000005010000-memory.dmp

      Filesize

      64KB

    • memory/1504-10-0x000000000A550000-0x000000000A5D4000-memory.dmp

      Filesize

      528KB

    • memory/1504-11-0x000000000D670000-0x000000000D70C000-memory.dmp

      Filesize

      624KB

    • memory/1504-12-0x0000000005000000-0x0000000005010000-memory.dmp

      Filesize

      64KB

    • memory/1504-0-0x0000000074F00000-0x00000000756B0000-memory.dmp

      Filesize

      7.7MB

    • memory/1504-1-0x0000000000390000-0x000000000043C000-memory.dmp

      Filesize

      688KB

    • memory/1504-30-0x0000000074F00000-0x00000000756B0000-memory.dmp

      Filesize

      7.7MB

    • memory/2960-85-0x0000000006D80000-0x0000000006E23000-memory.dmp

      Filesize

      652KB

    • memory/2960-59-0x0000000002FE0000-0x0000000002FF0000-memory.dmp

      Filesize

      64KB

    • memory/2960-23-0x0000000002FE0000-0x0000000002FF0000-memory.dmp

      Filesize

      64KB

    • memory/2960-22-0x0000000002FE0000-0x0000000002FF0000-memory.dmp

      Filesize

      64KB

    • memory/2960-24-0x00000000059C0000-0x0000000005FE8000-memory.dmp

      Filesize

      6.2MB

    • memory/2960-104-0x0000000074F00000-0x00000000756B0000-memory.dmp

      Filesize

      7.7MB

    • memory/2960-89-0x0000000007B80000-0x0000000007B8A000-memory.dmp

      Filesize

      40KB

    • memory/2960-74-0x0000000006D10000-0x0000000006D2E000-memory.dmp

      Filesize

      120KB

    • memory/2960-63-0x00000000722B0000-0x00000000722FC000-memory.dmp

      Filesize

      304KB

    • memory/2960-100-0x0000000007E30000-0x0000000007E38000-memory.dmp

      Filesize

      32KB

    • memory/2960-64-0x000000007FAA0000-0x000000007FAB0000-memory.dmp

      Filesize

      64KB

    • memory/2960-32-0x0000000005780000-0x00000000057A2000-memory.dmp

      Filesize

      136KB

    • memory/2960-21-0x0000000074F00000-0x00000000756B0000-memory.dmp

      Filesize

      7.7MB

    • memory/2960-99-0x0000000007E50000-0x0000000007E6A000-memory.dmp

      Filesize

      104KB

    • memory/2960-52-0x00000000062F0000-0x0000000006644000-memory.dmp

      Filesize

      3.3MB

    • memory/2960-53-0x0000000006790000-0x00000000067AE000-memory.dmp

      Filesize

      120KB

    • memory/2960-54-0x0000000006850000-0x000000000689C000-memory.dmp

      Filesize

      304KB

    • memory/2960-98-0x0000000007D50000-0x0000000007D64000-memory.dmp

      Filesize

      80KB

    • memory/2960-96-0x000000007FAA0000-0x000000007FAB0000-memory.dmp

      Filesize

      64KB

    • memory/2960-95-0x0000000002FE0000-0x0000000002FF0000-memory.dmp

      Filesize

      64KB

    • memory/2960-58-0x0000000074F00000-0x00000000756B0000-memory.dmp

      Filesize

      7.7MB

    • memory/2960-60-0x0000000002FE0000-0x0000000002FF0000-memory.dmp

      Filesize

      64KB

    • memory/2960-87-0x0000000008150000-0x00000000087CA000-memory.dmp

      Filesize

      6.5MB

    • memory/3728-61-0x0000000074F00000-0x00000000756B0000-memory.dmp

      Filesize

      7.7MB

    • memory/3728-94-0x00000000068F0000-0x00000000068FA000-memory.dmp

      Filesize

      40KB

    • memory/3728-31-0x00000000050E0000-0x0000000005146000-memory.dmp

      Filesize

      408KB

    • memory/3728-29-0x00000000050D0000-0x00000000050E0000-memory.dmp

      Filesize

      64KB

    • memory/3728-91-0x00000000050D0000-0x00000000050E0000-memory.dmp

      Filesize

      64KB

    • memory/3728-27-0x0000000074F00000-0x00000000756B0000-memory.dmp

      Filesize

      7.7MB

    • memory/3728-26-0x0000000000400000-0x0000000000442000-memory.dmp

      Filesize

      264KB

    • memory/3728-86-0x0000000006730000-0x0000000006780000-memory.dmp

      Filesize

      320KB

    • memory/4032-33-0x00000000057C0000-0x0000000005826000-memory.dmp

      Filesize

      408KB

    • memory/4032-88-0x0000000007280000-0x000000000729A000-memory.dmp

      Filesize

      104KB

    • memory/4032-13-0x0000000074F00000-0x00000000756B0000-memory.dmp

      Filesize

      7.7MB

    • memory/4032-90-0x00000000072E0000-0x00000000072EA000-memory.dmp

      Filesize

      40KB

    • memory/4032-75-0x00000000722B0000-0x00000000722FC000-memory.dmp

      Filesize

      304KB

    • memory/4032-92-0x00000000074E0000-0x0000000007576000-memory.dmp

      Filesize

      600KB

    • memory/4032-93-0x0000000007480000-0x0000000007491000-memory.dmp

      Filesize

      68KB

    • memory/4032-62-0x0000000006530000-0x0000000006562000-memory.dmp

      Filesize

      200KB

    • memory/4032-57-0x0000000002550000-0x0000000002560000-memory.dmp

      Filesize

      64KB

    • memory/4032-56-0x0000000002550000-0x0000000002560000-memory.dmp

      Filesize

      64KB

    • memory/4032-97-0x00000000074A0000-0x00000000074AE000-memory.dmp

      Filesize

      56KB

    • memory/4032-55-0x0000000074F00000-0x00000000756B0000-memory.dmp

      Filesize

      7.7MB

    • memory/4032-14-0x0000000002550000-0x0000000002560000-memory.dmp

      Filesize

      64KB

    • memory/4032-15-0x00000000025B0000-0x00000000025E6000-memory.dmp

      Filesize

      216KB

    • memory/4032-17-0x0000000002550000-0x0000000002560000-memory.dmp

      Filesize

      64KB

    • memory/4032-105-0x0000000074F00000-0x00000000756B0000-memory.dmp

      Filesize

      7.7MB