Analysis

  • max time kernel
    134s
  • max time network
    103s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20240508-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20240508-enlocale:en-usos:windows10-2004-x64system
  • submitted
    31-05-2024 07:41

General

  • Target

    Employee Handbook English.exe

  • Size

    652KB

  • MD5

    6554cf839ea2e5749ee45c9dffe7b16f

  • SHA1

    dfa0c3d9e29d7498a7243b4137230049ba89fc0a

  • SHA256

    28b3c09f079c35e84e7cb01688b99e15dc105a0abb481294e796d1d70db030a1

  • SHA512

    c4332870bf03ec897cf5af0e18c33c8cd3e877c8bbc5dad9e552116ebf135774288e186e340c32cca1c0503f39144f21f1beb177542eef637052bc271cbf00fc

  • SSDEEP

    12288:JdJS4Vk1mSR1mmsXYyJu1FbrOXsCWhU7UyOg/dnK2ViSqjDDLy:pSckDRNBTv0ZWKQyOsdK2nqjH2

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.

  • 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 20 IoCs
  • Suspicious use of AdjustPrivilegeToken 4 IoCs
  • Suspicious use of WriteProcessMemory 17 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\Employee Handbook English.exe
    "C:\Users\Admin\AppData\Local\Temp\Employee Handbook English.exe"
    1⤵
    • Checks computer location settings
    • Suspicious use of SetThreadContext
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of WriteProcessMemory
    PID:4600
    • 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\Employee Handbook English.exe"
      2⤵
      • Command and Scripting Interpreter: PowerShell
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      PID:960
    • C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe
      "C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" Add-MpPreference -ExclusionPath "C:\Users\Admin\AppData\Roaming\VhuFpqC.exe"
      2⤵
      • Command and Scripting Interpreter: PowerShell
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      PID:3156
    • C:\Windows\SysWOW64\schtasks.exe
      "C:\Windows\System32\schtasks.exe" /Create /TN "Updates\VhuFpqC" /XML "C:\Users\Admin\AppData\Local\Temp\tmpE455.tmp"
      2⤵
      • Creates scheduled task(s)
      PID:1388
    • C:\Windows\Microsoft.NET\Framework\v4.0.30319\MSBuild.exe
      "C:\Windows\Microsoft.NET\Framework\v4.0.30319\MSBuild.exe"
      2⤵
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      PID:4000

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

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Downloads

  • C:\Users\Admin\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-NonInteractive

    Filesize

    18KB

    MD5

    0a3cc63b074c8cc9ce4c486f49daaeb9

    SHA1

    2816b89a1f18feb7b81ba3195d32f8d9e042f89b

    SHA256

    baa3d8394e8f084b4fa1c0654a20dafd508059e19f1f6fe39100fb65d3a9f8f4

    SHA512

    adccdf11eba64892941178e0301d8126f542faec195206f1b77cd0d454ced9b20b6d4c0f90f1dd22885f9d4be43d012b052860d53ea0e4b5210d22d0b7612239

  • C:\Users\Admin\AppData\Local\Temp\__PSScriptPolicyTest_oxwspoye.lmz.ps1

    Filesize

    60B

    MD5

    d17fe0a3f47be24a6453e9ef58c94641

    SHA1

    6ab83620379fc69f80c0242105ddffd7d98d5d9d

    SHA256

    96ad1146eb96877eab5942ae0736b82d8b5e2039a80d3d6932665c1a4c87dcf7

    SHA512

    5b592e58f26c264604f98f6aa12860758ce606d1c63220736cf0c779e4e18e3cec8706930a16c38b20161754d1017d1657d35258e58ca22b18f5b232880dec82

  • C:\Users\Admin\AppData\Local\Temp\tmpE455.tmp

    Filesize

    1KB

    MD5

    2167f59246b8c394bd64f85bc67a3281

    SHA1

    8533724f9fbe7cbe11644ce8741bb1ab640e0139

    SHA256

    da27a19c3675e98b4883b1abfb466d63e7f1e1c22e2e3eda8f44f01e15400aac

    SHA512

    502ffdf8768681a246a1b46556d4fb2fb7d8e2ba028d9b73758a6366ff993ba18d46a6126084007dd4bf8cdeefa944641dd5a34eaf28fff6684ba44446fbca2c

  • memory/960-40-0x00000000062F0000-0x0000000006644000-memory.dmp

    Filesize

    3.3MB

  • memory/960-88-0x0000000074800000-0x0000000074FB0000-memory.dmp

    Filesize

    7.7MB

  • memory/960-32-0x0000000005E30000-0x0000000005E52000-memory.dmp

    Filesize

    136KB

  • memory/960-37-0x00000000060D0000-0x0000000006136000-memory.dmp

    Filesize

    408KB

  • memory/960-82-0x0000000007D20000-0x0000000007D3A000-memory.dmp

    Filesize

    104KB

  • memory/960-79-0x0000000007BE0000-0x0000000007BF1000-memory.dmp

    Filesize

    68KB

  • memory/960-78-0x0000000007C60000-0x0000000007CF6000-memory.dmp

    Filesize

    600KB

  • memory/960-76-0x00000000079E0000-0x00000000079FA000-memory.dmp

    Filesize

    104KB

  • memory/960-75-0x0000000008020000-0x000000000869A000-memory.dmp

    Filesize

    6.5MB

  • memory/960-16-0x0000000005120000-0x0000000005156000-memory.dmp

    Filesize

    216KB

  • memory/960-17-0x0000000074800000-0x0000000074FB0000-memory.dmp

    Filesize

    7.7MB

  • memory/960-18-0x0000000005790000-0x0000000005DB8000-memory.dmp

    Filesize

    6.2MB

  • memory/960-19-0x0000000074800000-0x0000000074FB0000-memory.dmp

    Filesize

    7.7MB

  • memory/960-20-0x0000000074800000-0x0000000074FB0000-memory.dmp

    Filesize

    7.7MB

  • memory/960-52-0x0000000006C70000-0x0000000006CA2000-memory.dmp

    Filesize

    200KB

  • memory/960-72-0x0000000006C00000-0x0000000006C1E000-memory.dmp

    Filesize

    120KB

  • memory/960-53-0x0000000075060000-0x00000000750AC000-memory.dmp

    Filesize

    304KB

  • memory/960-38-0x00000000061B0000-0x0000000006216000-memory.dmp

    Filesize

    408KB

  • memory/3156-89-0x0000000074800000-0x0000000074FB0000-memory.dmp

    Filesize

    7.7MB

  • memory/3156-23-0x0000000074800000-0x0000000074FB0000-memory.dmp

    Filesize

    7.7MB

  • memory/3156-83-0x0000000007E00000-0x0000000007E08000-memory.dmp

    Filesize

    32KB

  • memory/3156-81-0x0000000007D20000-0x0000000007D34000-memory.dmp

    Filesize

    80KB

  • memory/3156-80-0x0000000007D10000-0x0000000007D1E000-memory.dmp

    Filesize

    56KB

  • memory/3156-74-0x00000000077B0000-0x0000000007853000-memory.dmp

    Filesize

    652KB

  • memory/3156-24-0x0000000074800000-0x0000000074FB0000-memory.dmp

    Filesize

    7.7MB

  • memory/3156-50-0x00000000067D0000-0x00000000067EE000-memory.dmp

    Filesize

    120KB

  • memory/3156-51-0x0000000006850000-0x000000000689C000-memory.dmp

    Filesize

    304KB

  • memory/3156-63-0x0000000075060000-0x00000000750AC000-memory.dmp

    Filesize

    304KB

  • memory/3156-21-0x0000000074800000-0x0000000074FB0000-memory.dmp

    Filesize

    7.7MB

  • memory/3156-77-0x0000000007B50000-0x0000000007B5A000-memory.dmp

    Filesize

    40KB

  • memory/4000-90-0x0000000006610000-0x0000000006660000-memory.dmp

    Filesize

    320KB

  • memory/4000-25-0x0000000000400000-0x0000000000440000-memory.dmp

    Filesize

    256KB

  • memory/4600-4-0x0000000005890000-0x000000000589A000-memory.dmp

    Filesize

    40KB

  • memory/4600-6-0x0000000005C70000-0x0000000005C88000-memory.dmp

    Filesize

    96KB

  • memory/4600-7-0x0000000006DC0000-0x0000000006DD0000-memory.dmp

    Filesize

    64KB

  • memory/4600-39-0x0000000074800000-0x0000000074FB0000-memory.dmp

    Filesize

    7.7MB

  • memory/4600-8-0x00000000072B0000-0x0000000007332000-memory.dmp

    Filesize

    520KB

  • memory/4600-10-0x000000007480E000-0x000000007480F000-memory.dmp

    Filesize

    4KB

  • memory/4600-0-0x000000007480E000-0x000000007480F000-memory.dmp

    Filesize

    4KB

  • memory/4600-11-0x0000000074800000-0x0000000074FB0000-memory.dmp

    Filesize

    7.7MB

  • memory/4600-2-0x0000000005EA0000-0x0000000006444000-memory.dmp

    Filesize

    5.6MB

  • memory/4600-1-0x0000000000DF0000-0x0000000000E9A000-memory.dmp

    Filesize

    680KB

  • memory/4600-3-0x00000000058F0000-0x0000000005982000-memory.dmp

    Filesize

    584KB

  • memory/4600-5-0x0000000074800000-0x0000000074FB0000-memory.dmp

    Filesize

    7.7MB

  • memory/4600-9-0x0000000009910000-0x00000000099AC000-memory.dmp

    Filesize

    624KB