Analysis

  • max time kernel
    92s
  • max time network
    93s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20240426-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20240426-enlocale:en-usos:windows10-2004-x64system
  • submitted
    10-06-2024 01:22

General

  • Target

    b9d6b2f5140a276b69fe8b913b02ed05b6a391ad9e01ada8613065f1055493a8.exe

  • Size

    745KB

  • MD5

    bfc866d670c2b3e3392b827507031a87

  • SHA1

    680418294814e556d6d5f4fbeb5801c6ea389e54

  • SHA256

    b9d6b2f5140a276b69fe8b913b02ed05b6a391ad9e01ada8613065f1055493a8

  • SHA512

    6c1d0940380074c9d5a2d255fb582d9c623fecfeec828ff2247f54346b69709b384f994480cea1815ddf383366f60c3fd06939cf23084ad110f3407dbd827670

  • SSDEEP

    12288:KgsRMmyqyJMNraK3oJXEqdPdA+sQNA0J08tFyQ2HRblbsP168yZOPnP/kR:4bJOqraDUoPC+3NJB2Dbsd68y4nPa

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.

  • Adds Run key to start application 2 TTPs 1 IoCs
  • 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 13 IoCs
  • Suspicious use of AdjustPrivilegeToken 4 IoCs
  • Suspicious use of WriteProcessMemory 17 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\b9d6b2f5140a276b69fe8b913b02ed05b6a391ad9e01ada8613065f1055493a8.exe
    "C:\Users\Admin\AppData\Local\Temp\b9d6b2f5140a276b69fe8b913b02ed05b6a391ad9e01ada8613065f1055493a8.exe"
    1⤵
    • Checks computer location settings
    • Suspicious use of SetThreadContext
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of WriteProcessMemory
    PID:1136
    • 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\b9d6b2f5140a276b69fe8b913b02ed05b6a391ad9e01ada8613065f1055493a8.exe"
      2⤵
      • Command and Scripting Interpreter: PowerShell
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      PID:2652
    • C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe
      "C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" Add-MpPreference -ExclusionPath "C:\Users\Admin\AppData\Roaming\agHVNsjgRqlJ.exe"
      2⤵
      • Command and Scripting Interpreter: PowerShell
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      PID:3368
    • C:\Windows\SysWOW64\schtasks.exe
      "C:\Windows\System32\schtasks.exe" /Create /TN "Updates\agHVNsjgRqlJ" /XML "C:\Users\Admin\AppData\Local\Temp\tmp79E3.tmp"
      2⤵
      • Creates scheduled task(s)
      PID:4396
    • C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegSvcs.exe
      "C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegSvcs.exe"
      2⤵
      • Adds Run key to start application
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      PID:3872

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

    62a842af2357d9d3ebfdb318fc714c9f

    SHA1

    7e26fc4006f2d2bc6aadcd9a44b68fd2bc6b58da

    SHA256

    56472d793729695659d8c4f99410ab21261b807e97401d137565d218efa75cf9

    SHA512

    dc5e487546563613dec01239d7f0b2bbb178664efb825330ae069632dab37105ca6d70bc6356aabce99f1e32cab9e215dd84fef293454b9bd3fb810a84382bfc

  • C:\Users\Admin\AppData\Local\Temp\__PSScriptPolicyTest_mdhtrs2e.fbc.ps1

    Filesize

    60B

    MD5

    d17fe0a3f47be24a6453e9ef58c94641

    SHA1

    6ab83620379fc69f80c0242105ddffd7d98d5d9d

    SHA256

    96ad1146eb96877eab5942ae0736b82d8b5e2039a80d3d6932665c1a4c87dcf7

    SHA512

    5b592e58f26c264604f98f6aa12860758ce606d1c63220736cf0c779e4e18e3cec8706930a16c38b20161754d1017d1657d35258e58ca22b18f5b232880dec82

  • C:\Users\Admin\AppData\Local\Temp\tmp79E3.tmp

    Filesize

    1KB

    MD5

    e7decdcaaf819659163e068b44683f69

    SHA1

    f8b636c62514134ca4a1c36d35ee9419c49f08cc

    SHA256

    ae2fa12df389c9c970564f766a668e79ffa5490778fa68017be8bd8bb46d62bc

    SHA512

    804bc9830c8741a2ccb23006c3eae14b11ba5ff18e583059ba06b39f1d844449e3aa7d29e249707d536ca4fd488e04caadfaf55f9ecc155cd31d99f6591b5428

  • memory/1136-7-0x0000000005520000-0x000000000552E000-memory.dmp

    Filesize

    56KB

  • memory/1136-5-0x0000000074A30000-0x00000000751E0000-memory.dmp

    Filesize

    7.7MB

  • memory/1136-6-0x0000000005500000-0x0000000005516000-memory.dmp

    Filesize

    88KB

  • memory/1136-8-0x00000000056D0000-0x00000000056E0000-memory.dmp

    Filesize

    64KB

  • memory/1136-50-0x0000000074A30000-0x00000000751E0000-memory.dmp

    Filesize

    7.7MB

  • memory/1136-9-0x0000000007F20000-0x0000000007FA4000-memory.dmp

    Filesize

    528KB

  • memory/1136-10-0x000000000A6C0000-0x000000000A75C000-memory.dmp

    Filesize

    624KB

  • memory/1136-4-0x00000000052D0000-0x00000000052DA000-memory.dmp

    Filesize

    40KB

  • memory/1136-16-0x0000000074A3E000-0x0000000074A3F000-memory.dmp

    Filesize

    4KB

  • memory/1136-2-0x00000000056F0000-0x0000000005C94000-memory.dmp

    Filesize

    5.6MB

  • memory/1136-0-0x0000000074A3E000-0x0000000074A3F000-memory.dmp

    Filesize

    4KB

  • memory/1136-3-0x0000000005220000-0x00000000052B2000-memory.dmp

    Filesize

    584KB

  • memory/1136-1-0x0000000000770000-0x000000000082E000-memory.dmp

    Filesize

    760KB

  • memory/1136-47-0x0000000074A30000-0x00000000751E0000-memory.dmp

    Filesize

    7.7MB

  • memory/2652-77-0x00000000072E0000-0x00000000072FA000-memory.dmp

    Filesize

    104KB

  • memory/2652-75-0x0000000007190000-0x0000000007233000-memory.dmp

    Filesize

    652KB

  • memory/2652-15-0x00000000026A0000-0x00000000026D6000-memory.dmp

    Filesize

    216KB

  • memory/2652-22-0x00000000050C0000-0x0000000005126000-memory.dmp

    Filesize

    408KB

  • memory/2652-17-0x0000000005130000-0x0000000005758000-memory.dmp

    Filesize

    6.2MB

  • memory/2652-91-0x0000000074A30000-0x00000000751E0000-memory.dmp

    Filesize

    7.7MB

  • memory/2652-81-0x0000000007510000-0x000000000751E000-memory.dmp

    Filesize

    56KB

  • memory/2652-24-0x0000000074A30000-0x00000000751E0000-memory.dmp

    Filesize

    7.7MB

  • memory/2652-79-0x0000000007560000-0x00000000075F6000-memory.dmp

    Filesize

    600KB

  • memory/2652-18-0x0000000074A30000-0x00000000751E0000-memory.dmp

    Filesize

    7.7MB

  • memory/2652-20-0x0000000005020000-0x0000000005042000-memory.dmp

    Filesize

    136KB

  • memory/2652-25-0x0000000005990000-0x0000000005CE4000-memory.dmp

    Filesize

    3.3MB

  • memory/2652-19-0x0000000074A30000-0x00000000751E0000-memory.dmp

    Filesize

    7.7MB

  • memory/2652-53-0x0000000007140000-0x0000000007172000-memory.dmp

    Filesize

    200KB

  • memory/2652-64-0x0000000007120000-0x000000000713E000-memory.dmp

    Filesize

    120KB

  • memory/2652-54-0x00000000711E0000-0x000000007122C000-memory.dmp

    Filesize

    304KB

  • memory/3368-80-0x0000000007420000-0x0000000007431000-memory.dmp

    Filesize

    68KB

  • memory/3368-82-0x0000000007460000-0x0000000007474000-memory.dmp

    Filesize

    80KB

  • memory/3368-35-0x0000000074A30000-0x00000000751E0000-memory.dmp

    Filesize

    7.7MB

  • memory/3368-78-0x0000000007290000-0x000000000729A000-memory.dmp

    Filesize

    40KB

  • memory/3368-76-0x0000000007860000-0x0000000007EDA000-memory.dmp

    Filesize

    6.5MB

  • memory/3368-45-0x0000000074A30000-0x00000000751E0000-memory.dmp

    Filesize

    7.7MB

  • memory/3368-23-0x0000000005170000-0x00000000051D6000-memory.dmp

    Filesize

    408KB

  • memory/3368-65-0x00000000711E0000-0x000000007122C000-memory.dmp

    Filesize

    304KB

  • memory/3368-83-0x0000000007560000-0x000000000757A000-memory.dmp

    Filesize

    104KB

  • memory/3368-84-0x0000000007540000-0x0000000007548000-memory.dmp

    Filesize

    32KB

  • memory/3368-52-0x0000000005FA0000-0x0000000005FEC000-memory.dmp

    Filesize

    304KB

  • memory/3368-92-0x0000000074A30000-0x00000000751E0000-memory.dmp

    Filesize

    7.7MB

  • memory/3368-51-0x0000000005F00000-0x0000000005F1E000-memory.dmp

    Filesize

    120KB

  • memory/3368-49-0x0000000074A30000-0x00000000751E0000-memory.dmp

    Filesize

    7.7MB

  • memory/3872-46-0x0000000000400000-0x0000000000442000-memory.dmp

    Filesize

    264KB

  • memory/3872-93-0x0000000005DE0000-0x0000000005E30000-memory.dmp

    Filesize

    320KB