Analysis

  • max time kernel
    95s
  • max time network
    97s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20241007-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-x64system
  • submitted
    29/11/2024, 13:50

General

  • Target

    7741ed0d9432680cc61dcd2aaffb38614a6251ce6315781403ffcad38e57a6d7N.exe

  • Size

    891KB

  • MD5

    fb9f807889b5259c301967a4bb5f94c0

  • SHA1

    16a9d20108759843e6add0cd6d962180ec95e7a8

  • SHA256

    7741ed0d9432680cc61dcd2aaffb38614a6251ce6315781403ffcad38e57a6d7

  • SHA512

    79bc782f6981af1d64950a9b6dea169e88032ba92296767143cb2003f2fd96fcff7c7302843d36d7c104525e78abf2c3c86f217871b383a66bb9cbb128163e68

  • SSDEEP

    12288:OCb+eCSmtf69nmPjmm153xBOsALReFEWNe2U9O+3EWvYb2NE1ftF:3CX69mrmmLQd+EWN+/YbR1lF

Malware Config

Extracted

Family

agenttesla

Credentials

Signatures

  • AgentTesla

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

  • Agenttesla family
  • 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.

  • Looks up external IP address via web service 2 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).

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

Processes

  • C:\Users\Admin\AppData\Local\Temp\7741ed0d9432680cc61dcd2aaffb38614a6251ce6315781403ffcad38e57a6d7N.exe
    "C:\Users\Admin\AppData\Local\Temp\7741ed0d9432680cc61dcd2aaffb38614a6251ce6315781403ffcad38e57a6d7N.exe"
    1⤵
    • Checks computer location settings
    • Suspicious use of SetThreadContext
    • System Location Discovery: System Language Discovery
    • Suspicious use of WriteProcessMemory
    PID:3496
    • 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\7741ed0d9432680cc61dcd2aaffb38614a6251ce6315781403ffcad38e57a6d7N.exe"
      2⤵
      • Command and Scripting Interpreter: PowerShell
      • System Location Discovery: System Language Discovery
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      PID:3712
    • C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe
      "C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" Add-MpPreference -ExclusionPath "C:\Users\Admin\AppData\Roaming\UPwsxyDW.exe"
      2⤵
      • Command and Scripting Interpreter: PowerShell
      • System Location Discovery: System Language Discovery
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      PID:2632
    • C:\Windows\SysWOW64\schtasks.exe
      "C:\Windows\System32\schtasks.exe" /Create /TN "Updates\UPwsxyDW" /XML "C:\Users\Admin\AppData\Local\Temp\tmpC0A0.tmp"
      2⤵
      • System Location Discovery: System Language Discovery
      • Scheduled Task/Job: Scheduled Task
      PID:3068
    • C:\Users\Admin\AppData\Local\Temp\7741ed0d9432680cc61dcd2aaffb38614a6251ce6315781403ffcad38e57a6d7N.exe
      "C:\Users\Admin\AppData\Local\Temp\7741ed0d9432680cc61dcd2aaffb38614a6251ce6315781403ffcad38e57a6d7N.exe"
      2⤵
      • System Location Discovery: System Language Discovery
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      PID:4196

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

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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

    b27fa868ba315ec5c1462d9fdb6cef58

    SHA1

    248199801e0f2d3c0b56bafa640e61ea71b93e35

    SHA256

    a93e70b89a36b8126a4f31dfb8ae4d89e9f64213608d58c804ad87bf7194b992

    SHA512

    74e353a1b2d3163370161ceac46f83fac987999625bd7a1a36322c7f38eeeceaf1f643dd8dd5374932b5d8260669aa5ffc27a232431b77846a1c7de932addfee

  • C:\Users\Admin\AppData\Local\Temp\__PSScriptPolicyTest_i3aki41h.yem.ps1

    Filesize

    60B

    MD5

    d17fe0a3f47be24a6453e9ef58c94641

    SHA1

    6ab83620379fc69f80c0242105ddffd7d98d5d9d

    SHA256

    96ad1146eb96877eab5942ae0736b82d8b5e2039a80d3d6932665c1a4c87dcf7

    SHA512

    5b592e58f26c264604f98f6aa12860758ce606d1c63220736cf0c779e4e18e3cec8706930a16c38b20161754d1017d1657d35258e58ca22b18f5b232880dec82

  • C:\Users\Admin\AppData\Local\Temp\tmpC0A0.tmp

    Filesize

    1KB

    MD5

    b2b7be61518de6f7d41e6feb86bf3567

    SHA1

    8797a5b4701a94f3e4dc1e22ec9a22dbffde7032

    SHA256

    3850fe179e7fddaf75bb6fa952f6fddfcfc3f9bec375cf85e116fad329ac440c

    SHA512

    688b5594d6772a23eff3fa91d7307ed42b45efab163a31c7cad365a8c0ac83556331acfadb713e3cb1f16b9594e799972923c73208c5435d333f8b2f04998e52

  • memory/2632-62-0x000000006FE40000-0x000000006FE8C000-memory.dmp

    Filesize

    304KB

  • memory/2632-79-0x0000000007200000-0x000000000720E000-memory.dmp

    Filesize

    56KB

  • memory/2632-48-0x00000000060F0000-0x000000000613C000-memory.dmp

    Filesize

    304KB

  • memory/2632-51-0x0000000006270000-0x00000000062A2000-memory.dmp

    Filesize

    200KB

  • memory/2632-45-0x00000000056C0000-0x0000000005A14000-memory.dmp

    Filesize

    3.3MB

  • memory/2632-26-0x00000000748E0000-0x0000000075090000-memory.dmp

    Filesize

    7.7MB

  • memory/2632-46-0x0000000005C90000-0x0000000005CAE000-memory.dmp

    Filesize

    120KB

  • memory/2632-25-0x00000000748E0000-0x0000000075090000-memory.dmp

    Filesize

    7.7MB

  • memory/2632-81-0x0000000007310000-0x000000000732A000-memory.dmp

    Filesize

    104KB

  • memory/2632-88-0x00000000748E0000-0x0000000075090000-memory.dmp

    Filesize

    7.7MB

  • memory/2632-20-0x00000000748E0000-0x0000000075090000-memory.dmp

    Filesize

    7.7MB

  • memory/2632-82-0x00000000072F0000-0x00000000072F8000-memory.dmp

    Filesize

    32KB

  • memory/3496-3-0x0000000004F30000-0x0000000004FC2000-memory.dmp

    Filesize

    584KB

  • memory/3496-2-0x0000000005400000-0x00000000059A4000-memory.dmp

    Filesize

    5.6MB

  • memory/3496-0-0x00000000748EE000-0x00000000748EF000-memory.dmp

    Filesize

    4KB

  • memory/3496-4-0x0000000005070000-0x000000000510C000-memory.dmp

    Filesize

    624KB

  • memory/3496-5-0x00000000748E0000-0x0000000075090000-memory.dmp

    Filesize

    7.7MB

  • memory/3496-10-0x0000000007D50000-0x0000000007DD4000-memory.dmp

    Filesize

    528KB

  • memory/3496-9-0x00000000748E0000-0x0000000075090000-memory.dmp

    Filesize

    7.7MB

  • memory/3496-1-0x0000000000460000-0x0000000000540000-memory.dmp

    Filesize

    896KB

  • memory/3496-8-0x00000000748EE000-0x00000000748EF000-memory.dmp

    Filesize

    4KB

  • memory/3496-7-0x0000000005300000-0x000000000531C000-memory.dmp

    Filesize

    112KB

  • memory/3496-50-0x00000000748E0000-0x0000000075090000-memory.dmp

    Filesize

    7.7MB

  • memory/3496-6-0x0000000004FF0000-0x0000000004FFA000-memory.dmp

    Filesize

    40KB

  • memory/3712-15-0x00000000022A0000-0x00000000022D6000-memory.dmp

    Filesize

    216KB

  • memory/3712-77-0x0000000007170000-0x0000000007206000-memory.dmp

    Filesize

    600KB

  • memory/3712-63-0x0000000006130000-0x000000000614E000-memory.dmp

    Filesize

    120KB

  • memory/3712-23-0x0000000004CB0000-0x0000000004D16000-memory.dmp

    Filesize

    408KB

  • memory/3712-52-0x000000006FE40000-0x000000006FE8C000-memory.dmp

    Filesize

    304KB

  • memory/3712-73-0x0000000006E10000-0x0000000006EB3000-memory.dmp

    Filesize

    652KB

  • memory/3712-74-0x0000000007540000-0x0000000007BBA000-memory.dmp

    Filesize

    6.5MB

  • memory/3712-75-0x0000000006EF0000-0x0000000006F0A000-memory.dmp

    Filesize

    104KB

  • memory/3712-76-0x0000000006F60000-0x0000000006F6A000-memory.dmp

    Filesize

    40KB

  • memory/3712-16-0x00000000748E0000-0x0000000075090000-memory.dmp

    Filesize

    7.7MB

  • memory/3712-78-0x00000000070F0000-0x0000000007101000-memory.dmp

    Filesize

    68KB

  • memory/3712-24-0x00000000054B0000-0x0000000005516000-memory.dmp

    Filesize

    408KB

  • memory/3712-80-0x0000000007130000-0x0000000007144000-memory.dmp

    Filesize

    80KB

  • memory/3712-21-0x0000000004C10000-0x0000000004C32000-memory.dmp

    Filesize

    136KB

  • memory/3712-19-0x00000000748E0000-0x0000000075090000-memory.dmp

    Filesize

    7.7MB

  • memory/3712-18-0x00000000748E0000-0x0000000075090000-memory.dmp

    Filesize

    7.7MB

  • memory/3712-89-0x00000000748E0000-0x0000000075090000-memory.dmp

    Filesize

    7.7MB

  • memory/3712-17-0x0000000004E80000-0x00000000054A8000-memory.dmp

    Filesize

    6.2MB

  • memory/4196-47-0x0000000000400000-0x0000000000440000-memory.dmp

    Filesize

    256KB

  • memory/4196-90-0x0000000006B00000-0x0000000006B50000-memory.dmp

    Filesize

    320KB