Analysis

  • max time kernel
    149s
  • max time network
    153s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20240802-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20240802-enlocale:en-usos:windows10-2004-x64system
  • submitted
    04-09-2024 01:29

General

  • Target

    420e0d791c2e5de27eb45cddb00321f7ba3fb3c2a735bd98d440345d01a7bec8.exe

  • Size

    584KB

  • MD5

    de27d5d7627ad1b480e42c6feb3ef4f5

  • SHA1

    52583149e44eb42ca8b9322a7216b6eb22717162

  • SHA256

    420e0d791c2e5de27eb45cddb00321f7ba3fb3c2a735bd98d440345d01a7bec8

  • SHA512

    82424614d97be085e77a3a538dc31ee4113ac0822831b2ac3c472616bec4029065c81fbe148ff9e1376e71abb4379e5a0efdc2d87b7292f90d8bc5c700fd7dac

  • SSDEEP

    12288:oErlAypLIe29k0bB4VmjqPgl29WbtyLmEWdZg7dkraTD/Ml:vAypyB4VmGb9WbcV0g7WraTr

Malware Config

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.

  • Accesses Microsoft Outlook profiles 1 TTPs 3 IoCs
  • 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 3 IoCs

    Attempt gather information about the system language of a victim in order to infer the geographical location of that host.

  • Suspicious behavior: EnumeratesProcesses 2 IoCs
  • Suspicious use of AdjustPrivilegeToken 2 IoCs
  • Suspicious use of WriteProcessMemory 11 IoCs
  • outlook_office_path 1 IoCs
  • outlook_win_path 1 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\420e0d791c2e5de27eb45cddb00321f7ba3fb3c2a735bd98d440345d01a7bec8.exe
    "C:\Users\Admin\AppData\Local\Temp\420e0d791c2e5de27eb45cddb00321f7ba3fb3c2a735bd98d440345d01a7bec8.exe"
    1⤵
    • Checks computer location settings
    • Suspicious use of SetThreadContext
    • System Location Discovery: System Language Discovery
    • Suspicious use of WriteProcessMemory
    PID:1308
    • 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\420e0d791c2e5de27eb45cddb00321f7ba3fb3c2a735bd98d440345d01a7bec8.exe"
      2⤵
      • Command and Scripting Interpreter: PowerShell
      • System Location Discovery: System Language Discovery
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      PID:384
    • C:\Users\Admin\AppData\Local\Temp\420e0d791c2e5de27eb45cddb00321f7ba3fb3c2a735bd98d440345d01a7bec8.exe
      "C:\Users\Admin\AppData\Local\Temp\420e0d791c2e5de27eb45cddb00321f7ba3fb3c2a735bd98d440345d01a7bec8.exe"
      2⤵
      • Accesses Microsoft Outlook profiles
      • System Location Discovery: System Language Discovery
      • Suspicious use of AdjustPrivilegeToken
      • outlook_office_path
      • outlook_win_path
      PID:4628

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

Loading Replay Monitor...

Downloads

  • C:\Users\Admin\AppData\Local\Microsoft\CLR_v4.0_32\UsageLogs\420e0d791c2e5de27eb45cddb00321f7ba3fb3c2a735bd98d440345d01a7bec8.exe.log

    Filesize

    1KB

    MD5

    8ec831f3e3a3f77e4a7b9cd32b48384c

    SHA1

    d83f09fd87c5bd86e045873c231c14836e76a05c

    SHA256

    7667e538030e3f8ce2886e47a01af24cb0ea70528b1e821c5d8832c5076cb982

    SHA512

    26bffa2406b66368bd412bf25869a792631455645992cdcade2dbc13a2e56fb546414a6a9223b94c96c38d89187add6678d4779a88b38b0c9e36be8527b213c3

  • C:\Users\Admin\AppData\Local\Temp\__PSScriptPolicyTest_mbzq0c2e.i4o.ps1

    Filesize

    60B

    MD5

    d17fe0a3f47be24a6453e9ef58c94641

    SHA1

    6ab83620379fc69f80c0242105ddffd7d98d5d9d

    SHA256

    96ad1146eb96877eab5942ae0736b82d8b5e2039a80d3d6932665c1a4c87dcf7

    SHA512

    5b592e58f26c264604f98f6aa12860758ce606d1c63220736cf0c779e4e18e3cec8706930a16c38b20161754d1017d1657d35258e58ca22b18f5b232880dec82

  • memory/384-51-0x0000000006930000-0x000000000694E000-memory.dmp

    Filesize

    120KB

  • memory/384-55-0x00000000076C0000-0x00000000076CA000-memory.dmp

    Filesize

    40KB

  • memory/384-64-0x0000000074970000-0x0000000075120000-memory.dmp

    Filesize

    7.7MB

  • memory/384-23-0x0000000005250000-0x0000000005272000-memory.dmp

    Filesize

    136KB

  • memory/384-61-0x0000000007970000-0x0000000007978000-memory.dmp

    Filesize

    32KB

  • memory/384-60-0x0000000007990000-0x00000000079AA000-memory.dmp

    Filesize

    104KB

  • memory/384-59-0x0000000007890000-0x00000000078A4000-memory.dmp

    Filesize

    80KB

  • memory/384-58-0x0000000007880000-0x000000000788E000-memory.dmp

    Filesize

    56KB

  • memory/384-57-0x0000000007850000-0x0000000007861000-memory.dmp

    Filesize

    68KB

  • memory/384-56-0x00000000078D0000-0x0000000007966000-memory.dmp

    Filesize

    600KB

  • memory/384-24-0x00000000053F0000-0x0000000005456000-memory.dmp

    Filesize

    408KB

  • memory/384-34-0x0000000005CF0000-0x0000000006044000-memory.dmp

    Filesize

    3.3MB

  • memory/384-54-0x0000000007650000-0x000000000766A000-memory.dmp

    Filesize

    104KB

  • memory/384-53-0x0000000007C90000-0x000000000830A000-memory.dmp

    Filesize

    6.5MB

  • memory/384-52-0x0000000007310000-0x00000000073B3000-memory.dmp

    Filesize

    652KB

  • memory/384-41-0x00000000705D0000-0x000000007061C000-memory.dmp

    Filesize

    304KB

  • memory/384-20-0x0000000074970000-0x0000000075120000-memory.dmp

    Filesize

    7.7MB

  • memory/384-19-0x0000000002A20000-0x0000000002A56000-memory.dmp

    Filesize

    216KB

  • memory/384-22-0x0000000074970000-0x0000000075120000-memory.dmp

    Filesize

    7.7MB

  • memory/384-21-0x0000000005540000-0x0000000005B68000-memory.dmp

    Filesize

    6.2MB

  • memory/384-40-0x00000000068F0000-0x0000000006922000-memory.dmp

    Filesize

    200KB

  • memory/384-37-0x00000000066E0000-0x000000000672C000-memory.dmp

    Filesize

    304KB

  • memory/384-36-0x0000000006320000-0x000000000633E000-memory.dmp

    Filesize

    120KB

  • memory/384-35-0x0000000074970000-0x0000000075120000-memory.dmp

    Filesize

    7.7MB

  • memory/1308-5-0x0000000005510000-0x000000000551A000-memory.dmp

    Filesize

    40KB

  • memory/1308-10-0x0000000006830000-0x00000000068A0000-memory.dmp

    Filesize

    448KB

  • memory/1308-3-0x0000000005590000-0x0000000005622000-memory.dmp

    Filesize

    584KB

  • memory/1308-4-0x0000000074970000-0x0000000075120000-memory.dmp

    Filesize

    7.7MB

  • memory/1308-6-0x0000000005A20000-0x0000000005A3A000-memory.dmp

    Filesize

    104KB

  • memory/1308-7-0x000000007497E000-0x000000007497F000-memory.dmp

    Filesize

    4KB

  • memory/1308-8-0x0000000074970000-0x0000000075120000-memory.dmp

    Filesize

    7.7MB

  • memory/1308-0-0x000000007497E000-0x000000007497F000-memory.dmp

    Filesize

    4KB

  • memory/1308-9-0x0000000005A60000-0x0000000005A6E000-memory.dmp

    Filesize

    56KB

  • memory/1308-16-0x0000000074970000-0x0000000075120000-memory.dmp

    Filesize

    7.7MB

  • memory/1308-1-0x0000000000A70000-0x0000000000B08000-memory.dmp

    Filesize

    608KB

  • memory/1308-2-0x0000000005AA0000-0x0000000006044000-memory.dmp

    Filesize

    5.6MB

  • memory/1308-11-0x0000000008EA0000-0x0000000008F3C000-memory.dmp

    Filesize

    624KB

  • memory/4628-12-0x0000000000400000-0x0000000000430000-memory.dmp

    Filesize

    192KB

  • memory/4628-17-0x0000000005770000-0x00000000057D6000-memory.dmp

    Filesize

    408KB

  • memory/4628-18-0x0000000074970000-0x0000000075120000-memory.dmp

    Filesize

    7.7MB

  • memory/4628-15-0x0000000074970000-0x0000000075120000-memory.dmp

    Filesize

    7.7MB

  • memory/4628-39-0x0000000006D60000-0x0000000006F22000-memory.dmp

    Filesize

    1.8MB

  • memory/4628-38-0x0000000006B40000-0x0000000006B90000-memory.dmp

    Filesize

    320KB

  • memory/4628-65-0x0000000074970000-0x0000000075120000-memory.dmp

    Filesize

    7.7MB