Analysis

  • max time kernel
    147s
  • max time network
    117s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20240508-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20240508-enlocale:en-usos:windows10-2004-x64system
  • submitted
    22-05-2024 16:56

General

  • Target

    2d3cce8dcff9ecdf6df129ebfc989d7287f6bd9ce30af30789e9d248550b896b.exe

  • Size

    769KB

  • MD5

    57feed0e794464e723981898fd272446

  • SHA1

    de657ee2f6535de98f28bedce9459f1d230584de

  • SHA256

    2d3cce8dcff9ecdf6df129ebfc989d7287f6bd9ce30af30789e9d248550b896b

  • SHA512

    8131a72c4565d3c2bc92fceab336d17b77ad98d6a04266cc28cc49d77aba16652bfc8cabae961cb7c842a694daed190ffecdb5dc6485612971b8579afd514390

  • SSDEEP

    12288:pdrLbDZaNRpi4CRcc/kyzQNGxE8QuwigctlTcJvmlbXZC5p4GFFrqjdtMhXeuQnY:TLDZMRpSp8wPQ3A1cJ+bY5GG0LMhOb

Malware Config

Extracted

Credentials

  • Protocol:
    smtp
  • Host:
    mail.coyspu.com.ar
  • Port:
    465
  • Username:
    [email protected]
  • Password:
    458033

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 2 TTPs

    Infostealers often target stored browser data, which can include saved credentials etc.

  • Looks up external IP address via web service 3 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 8 IoCs
  • Suspicious use of AdjustPrivilegeToken 4 IoCs
  • Suspicious use of WriteProcessMemory 17 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\2d3cce8dcff9ecdf6df129ebfc989d7287f6bd9ce30af30789e9d248550b896b.exe
    "C:\Users\Admin\AppData\Local\Temp\2d3cce8dcff9ecdf6df129ebfc989d7287f6bd9ce30af30789e9d248550b896b.exe"
    1⤵
    • Checks computer location settings
    • Suspicious use of SetThreadContext
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of WriteProcessMemory
    PID:3840
    • 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\2d3cce8dcff9ecdf6df129ebfc989d7287f6bd9ce30af30789e9d248550b896b.exe"
      2⤵
      • Command and Scripting Interpreter: PowerShell
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      PID:5028
    • C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe
      "C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" Add-MpPreference -ExclusionPath "C:\Users\Admin\AppData\Roaming\KEUXiybspPv.exe"
      2⤵
      • Command and Scripting Interpreter: PowerShell
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      PID:1756
    • C:\Windows\SysWOW64\schtasks.exe
      "C:\Windows\System32\schtasks.exe" /Create /TN "Updates\KEUXiybspPv" /XML "C:\Users\Admin\AppData\Local\Temp\tmp6CB4.tmp"
      2⤵
      • Creates scheduled task(s)
      PID:2600
    • C:\Users\Admin\AppData\Local\Temp\2d3cce8dcff9ecdf6df129ebfc989d7287f6bd9ce30af30789e9d248550b896b.exe
      "C:\Users\Admin\AppData\Local\Temp\2d3cce8dcff9ecdf6df129ebfc989d7287f6bd9ce30af30789e9d248550b896b.exe"
      2⤵
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      PID:2368

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

    fa25485a57443f334998fa228d49c103

    SHA1

    bd0bdc91d81fe38c61e52fd8ddbf69be58b920a9

    SHA256

    6a9944a87e7202611fe50cd86c0492c5e4604d52e020dab728caed88d063fd8f

    SHA512

    b12c1e6edbf2c6829b526b03d8b6c42dfd2318c30dce2e2f3fe1a3c7706b53a68af96b9a463e14bbb41d200ab5e0095448d665529907125c03418e882164a6c9

  • C:\Users\Admin\AppData\Local\Temp\__PSScriptPolicyTest_mwinkbxp.2pt.ps1

    Filesize

    60B

    MD5

    d17fe0a3f47be24a6453e9ef58c94641

    SHA1

    6ab83620379fc69f80c0242105ddffd7d98d5d9d

    SHA256

    96ad1146eb96877eab5942ae0736b82d8b5e2039a80d3d6932665c1a4c87dcf7

    SHA512

    5b592e58f26c264604f98f6aa12860758ce606d1c63220736cf0c779e4e18e3cec8706930a16c38b20161754d1017d1657d35258e58ca22b18f5b232880dec82

  • C:\Users\Admin\AppData\Local\Temp\tmp6CB4.tmp

    Filesize

    1KB

    MD5

    b1068156a40e1f665f893b06e5511719

    SHA1

    95d01e61de33364cc6d95d66b93596cf8ca5a2e1

    SHA256

    f78daf43a251a3ad90c8d4399a1e4f812993216461a2990f6a4ffade5c4c6b3b

    SHA512

    ae0c0b574f5a8652c2e6b58f64b1f034bf951c744cd40e8b7afdd1f1fc6ae7a71a1dd327096a69b70373e9881331ee57bd76591f4cb057835ba775af8dd912a4

  • memory/1756-32-0x0000000075340000-0x0000000075AF0000-memory.dmp

    Filesize

    7.7MB

  • memory/1756-49-0x0000000005CA0000-0x0000000005CBE000-memory.dmp

    Filesize

    120KB

  • memory/1756-26-0x0000000075340000-0x0000000075AF0000-memory.dmp

    Filesize

    7.7MB

  • memory/1756-74-0x0000000007610000-0x0000000007C8A000-memory.dmp

    Filesize

    6.5MB

  • memory/1756-52-0x0000000075BA0000-0x0000000075BEC000-memory.dmp

    Filesize

    304KB

  • memory/1756-81-0x0000000007300000-0x000000000731A000-memory.dmp

    Filesize

    104KB

  • memory/1756-19-0x0000000075340000-0x0000000075AF0000-memory.dmp

    Filesize

    7.7MB

  • memory/1756-88-0x0000000075340000-0x0000000075AF0000-memory.dmp

    Filesize

    7.7MB

  • memory/1756-73-0x0000000006E70000-0x0000000006F13000-memory.dmp

    Filesize

    652KB

  • memory/2368-34-0x0000000000400000-0x0000000000444000-memory.dmp

    Filesize

    272KB

  • memory/2368-90-0x00000000066D0000-0x0000000006720000-memory.dmp

    Filesize

    320KB

  • memory/3840-6-0x0000000075340000-0x0000000075AF0000-memory.dmp

    Filesize

    7.7MB

  • memory/3840-0-0x000000007534E000-0x000000007534F000-memory.dmp

    Filesize

    4KB

  • memory/3840-10-0x000000000AE90000-0x000000000AF16000-memory.dmp

    Filesize

    536KB

  • memory/3840-9-0x0000000004630000-0x0000000004640000-memory.dmp

    Filesize

    64KB

  • memory/3840-8-0x0000000004D40000-0x0000000004D4C000-memory.dmp

    Filesize

    48KB

  • memory/3840-7-0x0000000004D20000-0x0000000004D42000-memory.dmp

    Filesize

    136KB

  • memory/3840-5-0x0000000004F40000-0x0000000004FDC000-memory.dmp

    Filesize

    624KB

  • memory/3840-4-0x0000000004C40000-0x0000000004C4A000-memory.dmp

    Filesize

    40KB

  • memory/3840-3-0x0000000004C70000-0x0000000004D02000-memory.dmp

    Filesize

    584KB

  • memory/3840-48-0x0000000075340000-0x0000000075AF0000-memory.dmp

    Filesize

    7.7MB

  • memory/3840-2-0x0000000005330000-0x00000000058D4000-memory.dmp

    Filesize

    5.6MB

  • memory/3840-1-0x0000000000180000-0x0000000000246000-memory.dmp

    Filesize

    792KB

  • memory/5028-16-0x0000000075340000-0x0000000075AF0000-memory.dmp

    Filesize

    7.7MB

  • memory/5028-50-0x0000000005F70000-0x0000000005FBC000-memory.dmp

    Filesize

    304KB

  • memory/5028-68-0x0000000006A70000-0x0000000006A8E000-memory.dmp

    Filesize

    120KB

  • memory/5028-21-0x00000000051F0000-0x0000000005256000-memory.dmp

    Filesize

    408KB

  • memory/5028-53-0x0000000075BA0000-0x0000000075BEC000-memory.dmp

    Filesize

    304KB

  • memory/5028-24-0x0000000075340000-0x0000000075AF0000-memory.dmp

    Filesize

    7.7MB

  • memory/5028-51-0x0000000006070000-0x00000000060A2000-memory.dmp

    Filesize

    200KB

  • memory/5028-25-0x0000000005260000-0x00000000055B4000-memory.dmp

    Filesize

    3.3MB

  • memory/5028-75-0x0000000006DD0000-0x0000000006DEA000-memory.dmp

    Filesize

    104KB

  • memory/5028-76-0x0000000006E50000-0x0000000006E5A000-memory.dmp

    Filesize

    40KB

  • memory/5028-77-0x0000000007050000-0x00000000070E6000-memory.dmp

    Filesize

    600KB

  • memory/5028-78-0x0000000006FD0000-0x0000000006FE1000-memory.dmp

    Filesize

    68KB

  • memory/5028-79-0x0000000007000000-0x000000000700E000-memory.dmp

    Filesize

    56KB

  • memory/5028-80-0x0000000007010000-0x0000000007024000-memory.dmp

    Filesize

    80KB

  • memory/5028-23-0x0000000005910000-0x0000000005976000-memory.dmp

    Filesize

    408KB

  • memory/5028-82-0x00000000070F0000-0x00000000070F8000-memory.dmp

    Filesize

    32KB

  • memory/5028-20-0x0000000004A10000-0x0000000004A32000-memory.dmp

    Filesize

    136KB

  • memory/5028-18-0x0000000075340000-0x0000000075AF0000-memory.dmp

    Filesize

    7.7MB

  • memory/5028-17-0x0000000004BC0000-0x00000000051E8000-memory.dmp

    Filesize

    6.2MB

  • memory/5028-89-0x0000000075340000-0x0000000075AF0000-memory.dmp

    Filesize

    7.7MB

  • memory/5028-15-0x0000000004550000-0x0000000004586000-memory.dmp

    Filesize

    216KB