Analysis

  • max time kernel
    150s
  • max time network
    149s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20240802-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20240802-enlocale:en-usos:windows10-2004-x64system
  • submitted
    03-10-2024 01:41

General

  • Target

    810430cb80a2b4d0cfb713a72dcb40c148f5494ae06b904ebe019e8f61b79d63.exe

  • Size

    752KB

  • MD5

    6d59e320844353e2006021b4f44598b9

  • SHA1

    3b41aca9c2823a30611522c424ffb408d850188c

  • SHA256

    810430cb80a2b4d0cfb713a72dcb40c148f5494ae06b904ebe019e8f61b79d63

  • SHA512

    b54ca9cc5648cfd9d17d49fa472763577282cf4795324deae8903b9722b1e2e6e78557f94adfd4b429c4f0272d88a062051ab6a2e64ebf4246b0ddc21c2721df

  • SSDEEP

    12288:9Tv+zZK/vEXpwLvrKC5j8BWE4w00q70S/D9tNvk:1vGKHGgvrKX4LV/5tNv

Malware Config

Extracted

Family

agenttesla

Credentials

Signatures

  • AgentTesla

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

  • 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 3 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 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 10 IoCs
  • Suspicious use of AdjustPrivilegeToken 4 IoCs
  • Suspicious use of WriteProcessMemory 20 IoCs
  • outlook_office_path 1 IoCs
  • outlook_win_path 1 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\810430cb80a2b4d0cfb713a72dcb40c148f5494ae06b904ebe019e8f61b79d63.exe
    "C:\Users\Admin\AppData\Local\Temp\810430cb80a2b4d0cfb713a72dcb40c148f5494ae06b904ebe019e8f61b79d63.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:2460
    • 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\810430cb80a2b4d0cfb713a72dcb40c148f5494ae06b904ebe019e8f61b79d63.exe"
      2⤵
      • Command and Scripting Interpreter: PowerShell
      • System Location Discovery: System Language Discovery
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      PID:920
    • C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe
      "C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" Add-MpPreference -ExclusionPath "C:\Users\Admin\AppData\Roaming\LuYBkKnuHvp.exe"
      2⤵
      • Command and Scripting Interpreter: PowerShell
      • System Location Discovery: System Language Discovery
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      PID:5108
    • C:\Windows\SysWOW64\schtasks.exe
      "C:\Windows\System32\schtasks.exe" /Create /TN "Updates\LuYBkKnuHvp" /XML "C:\Users\Admin\AppData\Local\Temp\tmpADD4.tmp"
      2⤵
      • System Location Discovery: System Language Discovery
      • Scheduled Task/Job: Scheduled Task
      PID:2016
    • C:\Users\Admin\AppData\Local\Temp\810430cb80a2b4d0cfb713a72dcb40c148f5494ae06b904ebe019e8f61b79d63.exe
      "C:\Users\Admin\AppData\Local\Temp\810430cb80a2b4d0cfb713a72dcb40c148f5494ae06b904ebe019e8f61b79d63.exe"
      2⤵
        PID:728
      • C:\Users\Admin\AppData\Local\Temp\810430cb80a2b4d0cfb713a72dcb40c148f5494ae06b904ebe019e8f61b79d63.exe
        "C:\Users\Admin\AppData\Local\Temp\810430cb80a2b4d0cfb713a72dcb40c148f5494ae06b904ebe019e8f61b79d63.exe"
        2⤵
        • Accesses Microsoft Outlook profiles
        • System Location Discovery: System Language Discovery
        • Suspicious behavior: EnumeratesProcesses
        • Suspicious use of AdjustPrivilegeToken
        • outlook_office_path
        • outlook_win_path
        PID:4720

    Network

    MITRE ATT&CK Enterprise v15

    Replay Monitor

    Loading Replay Monitor...

    Downloads

    • C:\Users\Admin\AppData\Local\Microsoft\CLR_v4.0_32\UsageLogs\810430cb80a2b4d0cfb713a72dcb40c148f5494ae06b904ebe019e8f61b79d63.exe.log

      Filesize

      1KB

      MD5

      8ec831f3e3a3f77e4a7b9cd32b48384c

      SHA1

      d83f09fd87c5bd86e045873c231c14836e76a05c

      SHA256

      7667e538030e3f8ce2886e47a01af24cb0ea70528b1e821c5d8832c5076cb982

      SHA512

      26bffa2406b66368bd412bf25869a792631455645992cdcade2dbc13a2e56fb546414a6a9223b94c96c38d89187add6678d4779a88b38b0c9e36be8527b213c3

    • 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

      556b40f490bf078e91439b4a36e86b05

      SHA1

      297d8db242e11402e4b4f607f56dabdebd56ac3c

      SHA256

      480f0f42be668e0b13c6702c5ec54057d1edad0f76ff12e680ecfc77e0dfaa62

      SHA512

      40616b769aa2ad80fb871e2133208b1b71c6c5c8021c7a9f956cb16fccfa532027ea824103af281f311863cfedce40ce1a9090e331b96035146d0288a9516fa2

    • C:\Users\Admin\AppData\Local\Temp\__PSScriptPolicyTest_gfts5iop.meh.ps1

      Filesize

      60B

      MD5

      d17fe0a3f47be24a6453e9ef58c94641

      SHA1

      6ab83620379fc69f80c0242105ddffd7d98d5d9d

      SHA256

      96ad1146eb96877eab5942ae0736b82d8b5e2039a80d3d6932665c1a4c87dcf7

      SHA512

      5b592e58f26c264604f98f6aa12860758ce606d1c63220736cf0c779e4e18e3cec8706930a16c38b20161754d1017d1657d35258e58ca22b18f5b232880dec82

    • C:\Users\Admin\AppData\Local\Temp\tmpADD4.tmp

      Filesize

      1KB

      MD5

      b0f30ca30ce85efd76a079d7e604100d

      SHA1

      2ef2fe0e2fc8b5d091ae6b2c0346a6a3e1080a86

      SHA256

      3af953ff02061b3aa150cc4ef13dd44ae30e73e26c3c7d9582417d196a64261d

      SHA512

      461709f87ea3aae65df69246b29512f987db3132f66c2ac5c61518ff0a5254254d2b0ba8368486f89ebae6af04c53d83d78577684b566061d2f61e9f9832ba06

    • memory/920-27-0x00000000055C0000-0x0000000005914000-memory.dmp

      Filesize

      3.3MB

    • memory/920-90-0x0000000075390000-0x0000000075B40000-memory.dmp

      Filesize

      7.7MB

    • memory/920-75-0x0000000007530000-0x0000000007BAA000-memory.dmp

      Filesize

      6.5MB

    • memory/920-54-0x0000000070340000-0x000000007038C000-memory.dmp

      Filesize

      304KB

    • memory/920-74-0x0000000006D90000-0x0000000006E33000-memory.dmp

      Filesize

      652KB

    • memory/920-72-0x0000000006B20000-0x0000000006B3E000-memory.dmp

      Filesize

      120KB

    • memory/920-15-0x00000000022B0000-0x00000000022E6000-memory.dmp

      Filesize

      216KB

    • memory/920-16-0x0000000075390000-0x0000000075B40000-memory.dmp

      Filesize

      7.7MB

    • memory/920-17-0x0000000004CA0000-0x00000000052C8000-memory.dmp

      Filesize

      6.2MB

    • memory/920-18-0x0000000075390000-0x0000000075B40000-memory.dmp

      Filesize

      7.7MB

    • memory/920-77-0x0000000006F60000-0x0000000006F6A000-memory.dmp

      Filesize

      40KB

    • memory/920-20-0x0000000004C00000-0x0000000004C22000-memory.dmp

      Filesize

      136KB

    • memory/920-22-0x0000000005340000-0x00000000053A6000-memory.dmp

      Filesize

      408KB

    • memory/920-21-0x00000000052D0000-0x0000000005336000-memory.dmp

      Filesize

      408KB

    • memory/920-80-0x0000000007120000-0x000000000712E000-memory.dmp

      Filesize

      56KB

    • memory/920-76-0x0000000006EF0000-0x0000000006F0A000-memory.dmp

      Filesize

      104KB

    • memory/920-25-0x0000000075390000-0x0000000075B40000-memory.dmp

      Filesize

      7.7MB

    • memory/920-82-0x0000000007230000-0x000000000724A000-memory.dmp

      Filesize

      104KB

    • memory/2460-3-0x0000000004ED0000-0x0000000004F62000-memory.dmp

      Filesize

      584KB

    • memory/2460-0-0x000000007539E000-0x000000007539F000-memory.dmp

      Filesize

      4KB

    • memory/2460-4-0x0000000075390000-0x0000000075B40000-memory.dmp

      Filesize

      7.7MB

    • memory/2460-2-0x0000000005480000-0x0000000005A24000-memory.dmp

      Filesize

      5.6MB

    • memory/2460-8-0x0000000075390000-0x0000000075B40000-memory.dmp

      Filesize

      7.7MB

    • memory/2460-6-0x0000000005460000-0x000000000547E000-memory.dmp

      Filesize

      120KB

    • memory/2460-5-0x0000000004EA0000-0x0000000004EAA000-memory.dmp

      Filesize

      40KB

    • memory/2460-1-0x00000000003E0000-0x00000000004A2000-memory.dmp

      Filesize

      776KB

    • memory/2460-10-0x000000000BE70000-0x000000000BF0C000-memory.dmp

      Filesize

      624KB

    • memory/2460-9-0x0000000002750000-0x00000000027C2000-memory.dmp

      Filesize

      456KB

    • memory/2460-50-0x0000000075390000-0x0000000075B40000-memory.dmp

      Filesize

      7.7MB

    • memory/2460-7-0x000000007539E000-0x000000007539F000-memory.dmp

      Filesize

      4KB

    • memory/4720-91-0x00000000068D0000-0x0000000006920000-memory.dmp

      Filesize

      320KB

    • memory/4720-46-0x0000000000400000-0x0000000000430000-memory.dmp

      Filesize

      192KB

    • memory/4720-92-0x0000000006AF0000-0x0000000006CB2000-memory.dmp

      Filesize

      1.8MB

    • memory/5108-79-0x0000000007750000-0x0000000007761000-memory.dmp

      Filesize

      68KB

    • memory/5108-53-0x0000000070340000-0x000000007038C000-memory.dmp

      Filesize

      304KB

    • memory/5108-48-0x0000000006230000-0x000000000624E000-memory.dmp

      Filesize

      120KB

    • memory/5108-81-0x0000000007790000-0x00000000077A4000-memory.dmp

      Filesize

      80KB

    • memory/5108-78-0x00000000077D0000-0x0000000007866000-memory.dmp

      Filesize

      600KB

    • memory/5108-83-0x0000000007870000-0x0000000007878000-memory.dmp

      Filesize

      32KB

    • memory/5108-26-0x0000000075390000-0x0000000075B40000-memory.dmp

      Filesize

      7.7MB

    • memory/5108-89-0x0000000075390000-0x0000000075B40000-memory.dmp

      Filesize

      7.7MB

    • memory/5108-23-0x0000000075390000-0x0000000075B40000-memory.dmp

      Filesize

      7.7MB

    • memory/5108-19-0x0000000075390000-0x0000000075B40000-memory.dmp

      Filesize

      7.7MB

    • memory/5108-51-0x0000000006770000-0x00000000067BC000-memory.dmp

      Filesize

      304KB

    • memory/5108-52-0x0000000007210000-0x0000000007242000-memory.dmp

      Filesize

      200KB