Analysis

  • max time kernel
    93s
  • max time network
    134s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20241007-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-x64system
  • submitted
    22-11-2024 02:21

General

  • Target

    429e0fa9706ee65774188e538bda0b69a15fb93e97864cedb88e33c650ed9538.exe

  • Size

    636KB

  • MD5

    4c7e7bd9eaf56b3936be87a6904f70f8

  • SHA1

    22591d29813790d622a1d49a1e0bf91b20235cf6

  • SHA256

    429e0fa9706ee65774188e538bda0b69a15fb93e97864cedb88e33c650ed9538

  • SHA512

    108e542f79d97dcb73490acd04718a56adda3d000e844ad71f0721b3b12d2a06ccb9b28a00e0d2443f2bb5c680617e316ce4a84c98a5e8f4f29ade1ff9c0be70

  • SSDEEP

    12288:NyAgFdVoC/HeIMOBkXKxh3IfDj3oSPYzeyu0Lu/bs1D0bWCiYNR/WBS9vD:wAgVoC/HemBNheP3Xg6yTLug0WC7ROB0

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.

  • 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).

  • Program crash 1 IoCs
  • 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 13 IoCs
  • Suspicious use of AdjustPrivilegeToken 4 IoCs
  • Suspicious use of WriteProcessMemory 17 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\429e0fa9706ee65774188e538bda0b69a15fb93e97864cedb88e33c650ed9538.exe
    "C:\Users\Admin\AppData\Local\Temp\429e0fa9706ee65774188e538bda0b69a15fb93e97864cedb88e33c650ed9538.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:3100
    • 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\429e0fa9706ee65774188e538bda0b69a15fb93e97864cedb88e33c650ed9538.exe"
      2⤵
      • Command and Scripting Interpreter: PowerShell
      • System Location Discovery: System Language Discovery
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      PID:4404
    • C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe
      "C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" Add-MpPreference -ExclusionPath "C:\Users\Admin\AppData\Roaming\EhzaIxEFbjyd.exe"
      2⤵
      • Command and Scripting Interpreter: PowerShell
      • System Location Discovery: System Language Discovery
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      PID:3280
    • C:\Windows\SysWOW64\schtasks.exe
      "C:\Windows\System32\schtasks.exe" /Create /TN "Updates\EhzaIxEFbjyd" /XML "C:\Users\Admin\AppData\Local\Temp\tmp1A49.tmp"
      2⤵
      • System Location Discovery: System Language Discovery
      • Scheduled Task/Job: Scheduled Task
      PID:844
    • C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegSvcs.exe
      "C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegSvcs.exe"
      2⤵
      • System Location Discovery: System Language Discovery
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      PID:2176
      • C:\Windows\SysWOW64\WerFault.exe
        C:\Windows\SysWOW64\WerFault.exe -u -p 2176 -s 2016
        3⤵
        • Program crash
        PID:2584
  • C:\Windows\SysWOW64\WerFault.exe
    C:\Windows\SysWOW64\WerFault.exe -pss -s 408 -p 2176 -ip 2176
    1⤵
      PID:2336

    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

      ae4ced36ceaea7aeaefbd846027728f5

      SHA1

      54be9e817465642cc2120ec05411a1c2fc42af88

      SHA256

      d8a10d8858815d6f4455855417c501e820a8acc1026f8040ad945aa6bf14cc88

      SHA512

      273572963fceb81ce611e016b3280912b3c98e0090e951878bc3f36cbc559d5ab17db35e63c508743c88b3bee8f53606f471077a7754dfce04b071c9c684726c

    • C:\Users\Admin\AppData\Local\Temp\__PSScriptPolicyTest_2let5ss5.5n0.ps1

      Filesize

      60B

      MD5

      d17fe0a3f47be24a6453e9ef58c94641

      SHA1

      6ab83620379fc69f80c0242105ddffd7d98d5d9d

      SHA256

      96ad1146eb96877eab5942ae0736b82d8b5e2039a80d3d6932665c1a4c87dcf7

      SHA512

      5b592e58f26c264604f98f6aa12860758ce606d1c63220736cf0c779e4e18e3cec8706930a16c38b20161754d1017d1657d35258e58ca22b18f5b232880dec82

    • C:\Users\Admin\AppData\Local\Temp\tmp1A49.tmp

      Filesize

      1KB

      MD5

      80c64b3b22d3a81737d413fb0e341303

      SHA1

      15da46bd20c99b69c362edc52fd9c401e57071e0

      SHA256

      0f530b54772229e6fe0604cb025eaa7a02599dba93146fa063ca32cb19c8f66e

      SHA512

      aa41892ba2a2feeb795c30fe727d2e65f95b25571b43d266abb394376f0edc2fe2feb085232edbbd4158dbc410572105b41cc8bd701ceacfe429796fa610db95

    • memory/2176-27-0x0000000000400000-0x0000000000442000-memory.dmp

      Filesize

      264KB

    • memory/3100-2-0x0000000005E00000-0x00000000063A4000-memory.dmp

      Filesize

      5.6MB

    • memory/3100-5-0x0000000074880000-0x0000000075030000-memory.dmp

      Filesize

      7.7MB

    • memory/3100-7-0x000000007488E000-0x000000007488F000-memory.dmp

      Filesize

      4KB

    • memory/3100-8-0x0000000005990000-0x00000000059A2000-memory.dmp

      Filesize

      72KB

    • memory/3100-9-0x0000000074880000-0x0000000075030000-memory.dmp

      Filesize

      7.7MB

    • memory/3100-10-0x0000000006F80000-0x0000000007008000-memory.dmp

      Filesize

      544KB

    • memory/3100-0-0x000000007488E000-0x000000007488F000-memory.dmp

      Filesize

      4KB

    • memory/3100-4-0x0000000005870000-0x000000000587A000-memory.dmp

      Filesize

      40KB

    • memory/3100-48-0x0000000074880000-0x0000000075030000-memory.dmp

      Filesize

      7.7MB

    • memory/3100-3-0x00000000058F0000-0x0000000005982000-memory.dmp

      Filesize

      584KB

    • memory/3100-1-0x0000000000EF0000-0x0000000000F96000-memory.dmp

      Filesize

      664KB

    • memory/3100-6-0x0000000005B50000-0x0000000005BEC000-memory.dmp

      Filesize

      624KB

    • memory/3280-62-0x0000000006620000-0x000000000663E000-memory.dmp

      Filesize

      120KB

    • memory/3280-81-0x0000000007740000-0x000000000775A000-memory.dmp

      Filesize

      104KB

    • memory/3280-80-0x0000000007640000-0x0000000007654000-memory.dmp

      Filesize

      80KB

    • memory/3280-26-0x0000000074880000-0x0000000075030000-memory.dmp

      Filesize

      7.7MB

    • memory/3280-52-0x0000000075130000-0x000000007517C000-memory.dmp

      Filesize

      304KB

    • memory/3280-51-0x0000000007090000-0x00000000070C2000-memory.dmp

      Filesize

      200KB

    • memory/3280-79-0x0000000007630000-0x000000000763E000-memory.dmp

      Filesize

      56KB

    • memory/3280-77-0x0000000007680000-0x0000000007716000-memory.dmp

      Filesize

      600KB

    • memory/3280-89-0x0000000074880000-0x0000000075030000-memory.dmp

      Filesize

      7.7MB

    • memory/3280-20-0x0000000074880000-0x0000000075030000-memory.dmp

      Filesize

      7.7MB

    • memory/3280-73-0x00000000070D0000-0x0000000007173000-memory.dmp

      Filesize

      652KB

    • memory/3280-19-0x0000000074880000-0x0000000075030000-memory.dmp

      Filesize

      7.7MB

    • memory/4404-15-0x00000000024A0000-0x00000000024D6000-memory.dmp

      Filesize

      216KB

    • memory/4404-50-0x0000000006000000-0x000000000604C000-memory.dmp

      Filesize

      304KB

    • memory/4404-49-0x0000000005DE0000-0x0000000005DFE000-memory.dmp

      Filesize

      120KB

    • memory/4404-23-0x0000000004F00000-0x0000000004F22000-memory.dmp

      Filesize

      136KB

    • memory/4404-63-0x0000000075130000-0x000000007517C000-memory.dmp

      Filesize

      304KB

    • memory/4404-75-0x0000000007100000-0x000000000711A000-memory.dmp

      Filesize

      104KB

    • memory/4404-74-0x0000000007740000-0x0000000007DBA000-memory.dmp

      Filesize

      6.5MB

    • memory/4404-76-0x0000000007170000-0x000000000717A000-memory.dmp

      Filesize

      40KB

    • memory/4404-24-0x0000000004FA0000-0x0000000005006000-memory.dmp

      Filesize

      408KB

    • memory/4404-78-0x0000000007300000-0x0000000007311000-memory.dmp

      Filesize

      68KB

    • memory/4404-33-0x00000000057F0000-0x0000000005B44000-memory.dmp

      Filesize

      3.3MB

    • memory/4404-25-0x0000000005080000-0x00000000050E6000-memory.dmp

      Filesize

      408KB

    • memory/4404-22-0x0000000074880000-0x0000000075030000-memory.dmp

      Filesize

      7.7MB

    • memory/4404-82-0x0000000007420000-0x0000000007428000-memory.dmp

      Filesize

      32KB

    • memory/4404-85-0x0000000074880000-0x0000000075030000-memory.dmp

      Filesize

      7.7MB

    • memory/4404-18-0x0000000074880000-0x0000000075030000-memory.dmp

      Filesize

      7.7MB

    • memory/4404-17-0x0000000074880000-0x0000000075030000-memory.dmp

      Filesize

      7.7MB

    • memory/4404-16-0x0000000005110000-0x0000000005738000-memory.dmp

      Filesize

      6.2MB