Analysis

  • max time kernel
    92s
  • max time network
    140s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20241007-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-x64system
  • submitted
    10-10-2024 07:03

General

  • Target

    3a0f23dfec606d232d09eb53631b01747e57987e09133fa6efbe3f9394a6e4d0.exe

  • Size

    823KB

  • MD5

    2821589513c6dad441459f93bf319e63

  • SHA1

    0830bda9d8c4324dadef074ab53dd388f8f68d06

  • SHA256

    3a0f23dfec606d232d09eb53631b01747e57987e09133fa6efbe3f9394a6e4d0

  • SHA512

    6c2a37638e489c26c35d6cd65aa9a178ee34d69d6f36cea13040a4d8970eb8e644e6c4edbc54e7ce733aafe78aa11a3dc5a3eeba50c56073f128c6dbe8aa09a9

  • SSDEEP

    12288:J6PpN6C39UD4981ekRIvwWzrfbGUEb67yTDaWJwkl6ZzSrhVROTKmEPpBkR:DCv9oe8WfTVE4yKmwizkEPm

Malware Config

Extracted

Credentials

  • Protocol:
    ftp
  • Host:
    ftp.libreriagandhi.cl
  • Port:
    21
  • Username:
    [email protected]
  • Password:
    $yxZKP=c)$k#

Extracted

Family

agenttesla

Credentials

  • Protocol:
    ftp
  • Host:
    ftp://ftp.libreriagandhi.cl
  • Port:
    21
  • Username:
    [email protected]
  • Password:
    $yxZKP=c)$k#

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 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 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).

  • 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\3a0f23dfec606d232d09eb53631b01747e57987e09133fa6efbe3f9394a6e4d0.exe
    "C:\Users\Admin\AppData\Local\Temp\3a0f23dfec606d232d09eb53631b01747e57987e09133fa6efbe3f9394a6e4d0.exe"
    1⤵
    • Checks computer location settings
    • Suspicious use of SetThreadContext
    • System Location Discovery: System Language Discovery
    • Suspicious use of WriteProcessMemory
    PID:2628
    • 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\3a0f23dfec606d232d09eb53631b01747e57987e09133fa6efbe3f9394a6e4d0.exe"
      2⤵
      • Command and Scripting Interpreter: PowerShell
      • System Location Discovery: System Language Discovery
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      PID:4388
    • C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe
      "C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" Add-MpPreference -ExclusionPath "C:\Users\Admin\AppData\Roaming\wvQCFzzEN.exe"
      2⤵
      • Command and Scripting Interpreter: PowerShell
      • System Location Discovery: System Language Discovery
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      PID:3820
    • C:\Windows\SysWOW64\schtasks.exe
      "C:\Windows\System32\schtasks.exe" /Create /TN "Updates\wvQCFzzEN" /XML "C:\Users\Admin\AppData\Local\Temp\tmp5FFD.tmp"
      2⤵
      • System Location Discovery: System Language Discovery
      • Scheduled Task/Job: Scheduled Task
      PID:3616
    • C:\Users\Admin\AppData\Local\Temp\3a0f23dfec606d232d09eb53631b01747e57987e09133fa6efbe3f9394a6e4d0.exe
      "C:\Users\Admin\AppData\Local\Temp\3a0f23dfec606d232d09eb53631b01747e57987e09133fa6efbe3f9394a6e4d0.exe"
      2⤵
      • System Location Discovery: System Language Discovery
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      PID:4604

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

    4eb64e7789b831ceec3ac400734398e5

    SHA1

    ff65466bb3da09f56c000590030044ebfe492289

    SHA256

    7cf3e83570e3236a3caf2480cce481d957b8324700f9dc39dbf232ffba3576f3

    SHA512

    abacef29e13b19a04fe26ae7578b286fd90acbd18d1c436119bc591036bba1af341d4c6ac7e085376400e3d358a0a158cd08a55b3802c16bdf3fbd8f967f20e3

  • C:\Users\Admin\AppData\Local\Temp\__PSScriptPolicyTest_dkcwzqwj.12o.ps1

    Filesize

    60B

    MD5

    d17fe0a3f47be24a6453e9ef58c94641

    SHA1

    6ab83620379fc69f80c0242105ddffd7d98d5d9d

    SHA256

    96ad1146eb96877eab5942ae0736b82d8b5e2039a80d3d6932665c1a4c87dcf7

    SHA512

    5b592e58f26c264604f98f6aa12860758ce606d1c63220736cf0c779e4e18e3cec8706930a16c38b20161754d1017d1657d35258e58ca22b18f5b232880dec82

  • C:\Users\Admin\AppData\Local\Temp\tmp5FFD.tmp

    Filesize

    1KB

    MD5

    c60ea997109700b3466a57b0fa131276

    SHA1

    fb9500a71448d3b9f5219bf8e0dc49098a41a1e0

    SHA256

    c7ea658c55d5be18bb57f0b7d70e6ef98c5ce8787c481d216ab7e3e288ad7ba2

    SHA512

    1ebc23d9ec7e6959e7346224114ebb1b505fed377b6b8ec1fae3e2329fa5f4db4f69faf83461c6d7bc87178600befe674a9c9e23f88e7305301024e858a2ff11

  • memory/2628-4-0x00000000751E0000-0x0000000075990000-memory.dmp

    Filesize

    7.7MB

  • memory/2628-5-0x0000000005240000-0x000000000524A000-memory.dmp

    Filesize

    40KB

  • memory/2628-6-0x00000000057B0000-0x00000000057C8000-memory.dmp

    Filesize

    96KB

  • memory/2628-7-0x00000000751EE000-0x00000000751EF000-memory.dmp

    Filesize

    4KB

  • memory/2628-8-0x00000000751E0000-0x0000000075990000-memory.dmp

    Filesize

    7.7MB

  • memory/2628-9-0x00000000064C0000-0x0000000006544000-memory.dmp

    Filesize

    528KB

  • memory/2628-10-0x0000000006730000-0x00000000067CC000-memory.dmp

    Filesize

    624KB

  • memory/2628-3-0x0000000005170000-0x0000000005202000-memory.dmp

    Filesize

    584KB

  • memory/2628-2-0x00000000057D0000-0x0000000005D74000-memory.dmp

    Filesize

    5.6MB

  • memory/2628-0-0x00000000751EE000-0x00000000751EF000-memory.dmp

    Filesize

    4KB

  • memory/2628-48-0x00000000751E0000-0x0000000075990000-memory.dmp

    Filesize

    7.7MB

  • memory/2628-1-0x00000000006D0000-0x00000000007A0000-memory.dmp

    Filesize

    832KB

  • memory/3820-67-0x0000000075A40000-0x0000000075A8C000-memory.dmp

    Filesize

    304KB

  • memory/3820-78-0x0000000007610000-0x0000000007621000-memory.dmp

    Filesize

    68KB

  • memory/3820-22-0x00000000751E0000-0x0000000075990000-memory.dmp

    Filesize

    7.7MB

  • memory/3820-23-0x00000000751E0000-0x0000000075990000-memory.dmp

    Filesize

    7.7MB

  • memory/3820-90-0x00000000751E0000-0x0000000075990000-memory.dmp

    Filesize

    7.7MB

  • memory/3820-83-0x0000000007730000-0x0000000007738000-memory.dmp

    Filesize

    32KB

  • memory/3820-37-0x0000000005B10000-0x0000000005B76000-memory.dmp

    Filesize

    408KB

  • memory/3820-38-0x0000000005B80000-0x0000000005ED4000-memory.dmp

    Filesize

    3.3MB

  • memory/3820-33-0x0000000005AA0000-0x0000000005B06000-memory.dmp

    Filesize

    408KB

  • memory/3820-20-0x00000000751E0000-0x0000000075990000-memory.dmp

    Filesize

    7.7MB

  • memory/3820-82-0x0000000007750000-0x000000000776A000-memory.dmp

    Filesize

    104KB

  • memory/3820-81-0x0000000007650000-0x0000000007664000-memory.dmp

    Filesize

    80KB

  • memory/3820-80-0x0000000007640000-0x000000000764E000-memory.dmp

    Filesize

    56KB

  • memory/4388-77-0x00000000075C0000-0x0000000007656000-memory.dmp

    Filesize

    600KB

  • memory/4388-18-0x00000000751E0000-0x0000000075990000-memory.dmp

    Filesize

    7.7MB

  • memory/4388-62-0x00000000065D0000-0x00000000065EE000-memory.dmp

    Filesize

    120KB

  • memory/4388-63-0x0000000007200000-0x00000000072A3000-memory.dmp

    Filesize

    652KB

  • memory/4388-64-0x0000000007980000-0x0000000007FFA000-memory.dmp

    Filesize

    6.5MB

  • memory/4388-65-0x0000000007340000-0x000000000735A000-memory.dmp

    Filesize

    104KB

  • memory/4388-66-0x00000000073B0000-0x00000000073BA000-memory.dmp

    Filesize

    40KB

  • memory/4388-16-0x00000000751E0000-0x0000000075990000-memory.dmp

    Filesize

    7.7MB

  • memory/4388-51-0x00000000071B0000-0x00000000071E2000-memory.dmp

    Filesize

    200KB

  • memory/4388-21-0x00000000751E0000-0x0000000075990000-memory.dmp

    Filesize

    7.7MB

  • memory/4388-50-0x00000000064D0000-0x000000000651C000-memory.dmp

    Filesize

    304KB

  • memory/4388-15-0x0000000002730000-0x0000000002766000-memory.dmp

    Filesize

    216KB

  • memory/4388-49-0x0000000005FF0000-0x000000000600E000-memory.dmp

    Filesize

    120KB

  • memory/4388-52-0x0000000075A40000-0x0000000075A8C000-memory.dmp

    Filesize

    304KB

  • memory/4388-24-0x0000000005140000-0x0000000005162000-memory.dmp

    Filesize

    136KB

  • memory/4388-89-0x00000000751E0000-0x0000000075990000-memory.dmp

    Filesize

    7.7MB

  • memory/4388-17-0x0000000005200000-0x0000000005828000-memory.dmp

    Filesize

    6.2MB

  • memory/4604-79-0x00000000065C0000-0x0000000006610000-memory.dmp

    Filesize

    320KB

  • memory/4604-25-0x0000000000400000-0x0000000000442000-memory.dmp

    Filesize

    264KB