Analysis

  • max time kernel
    119s
  • max time network
    119s
  • platform
    windows7_x64
  • resource
    win7-20240508-en
  • resource tags

    arch:x64arch:x86image:win7-20240508-enlocale:en-usos:windows7-x64system
  • submitted
    21-05-2024 01:32

General

  • Target

    081e9e8209e9f5c66e4f3ae4c80708853ec03c2b5f692e42e0dfeb1f57179d0a.exe

  • Size

    756KB

  • MD5

    2342be8ca961dfed8c829d368262d393

  • SHA1

    0bdf5485a67ad7b4044a0bd2ca0a03c0a6f77ff5

  • SHA256

    081e9e8209e9f5c66e4f3ae4c80708853ec03c2b5f692e42e0dfeb1f57179d0a

  • SHA512

    a522b561415753142415140b9229c06001d22283698a293a9707e8f32e81e2f029122fd91a0e99eccd1be05bad2df0b2aacb0d4eba08d0c660499218bffb2bd2

  • SSDEEP

    12288:BIjWET/mr9K+22BEEzFatngBv48yiQStW++X6y1yCC9m9b6PCzaT/5WcXFAsYGNn:EWtb3BEEv48yiHtT+qyMCgmEfT/5WcX9

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.

  • 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.

  • 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 4 IoCs
  • Suspicious use of AdjustPrivilegeToken 3 IoCs
  • Suspicious use of WriteProcessMemory 21 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\081e9e8209e9f5c66e4f3ae4c80708853ec03c2b5f692e42e0dfeb1f57179d0a.exe
    "C:\Users\Admin\AppData\Local\Temp\081e9e8209e9f5c66e4f3ae4c80708853ec03c2b5f692e42e0dfeb1f57179d0a.exe"
    1⤵
    • Suspicious use of SetThreadContext
    • Suspicious use of WriteProcessMemory
    PID:1700
    • 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\081e9e8209e9f5c66e4f3ae4c80708853ec03c2b5f692e42e0dfeb1f57179d0a.exe"
      2⤵
      • Command and Scripting Interpreter: PowerShell
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      PID:3032
    • C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe
      "C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" Add-MpPreference -ExclusionPath "C:\Users\Admin\AppData\Roaming\PNIURDgKdgXBd.exe"
      2⤵
      • Command and Scripting Interpreter: PowerShell
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      PID:2564
    • C:\Windows\SysWOW64\schtasks.exe
      "C:\Windows\System32\schtasks.exe" /Create /TN "Updates\PNIURDgKdgXBd" /XML "C:\Users\Admin\AppData\Local\Temp\tmp41F0.tmp"
      2⤵
      • Creates scheduled task(s)
      PID:2664
    • C:\Users\Admin\AppData\Local\Temp\081e9e8209e9f5c66e4f3ae4c80708853ec03c2b5f692e42e0dfeb1f57179d0a.exe
      "C:\Users\Admin\AppData\Local\Temp\081e9e8209e9f5c66e4f3ae4c80708853ec03c2b5f692e42e0dfeb1f57179d0a.exe"
      2⤵
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      PID:2568

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

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Downloads

  • C:\Users\Admin\AppData\Local\Temp\tmp41F0.tmp

    Filesize

    1KB

    MD5

    423681b3ab18914145e71e67eba951a1

    SHA1

    2ad2d20e217aeab34b5e42d93fb14dad744f0bba

    SHA256

    38ebbc2549218753801c1a7335d3f1d6586eb8bdf28ae7c3ee52a0b55401da77

    SHA512

    9539871a2ffd84bb7a0c24b1f336b52c5283179f19d8a9c233a4c9f729cd3bf8e1c45b7fdab20855336a484552866631923c71e50523580011d870566a60ae50

  • C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Recent\CustomDestinations\3LU6WOUC4N5EM5U8J3GT.temp

    Filesize

    7KB

    MD5

    3aec7fc6376826e538819c33e1de989a

    SHA1

    4a9403bc21fcadd84e166fdc70abd8379e759b28

    SHA256

    48538b84caca664236c6e62d1cd9b6530c8a93bb88cfb408530b3b50bae404af

    SHA512

    ca9399b63a06f2368f171551ae82a13ffb4492d1955c10d3aabbca215b90b24f7ced7f67c3cff7ca953d73d68d601aeaef9da8ff727351e8c39f29b0fd9bcd24

  • memory/1700-4-0x0000000000810000-0x000000000081C000-memory.dmp

    Filesize

    48KB

  • memory/1700-31-0x0000000074230000-0x000000007491E000-memory.dmp

    Filesize

    6.9MB

  • memory/1700-0-0x000000007423E000-0x000000007423F000-memory.dmp

    Filesize

    4KB

  • memory/1700-5-0x0000000000870000-0x0000000000880000-memory.dmp

    Filesize

    64KB

  • memory/1700-6-0x0000000005A60000-0x0000000005AE2000-memory.dmp

    Filesize

    520KB

  • memory/1700-2-0x0000000074230000-0x000000007491E000-memory.dmp

    Filesize

    6.9MB

  • memory/1700-1-0x0000000000D50000-0x0000000000E14000-memory.dmp

    Filesize

    784KB

  • memory/1700-3-0x0000000000850000-0x0000000000872000-memory.dmp

    Filesize

    136KB

  • memory/2568-20-0x0000000000400000-0x0000000000440000-memory.dmp

    Filesize

    256KB

  • memory/2568-30-0x0000000000400000-0x0000000000440000-memory.dmp

    Filesize

    256KB

  • memory/2568-29-0x0000000000400000-0x0000000000440000-memory.dmp

    Filesize

    256KB

  • memory/2568-27-0x000000007EFDE000-0x000000007EFDF000-memory.dmp

    Filesize

    4KB

  • memory/2568-25-0x0000000000400000-0x0000000000440000-memory.dmp

    Filesize

    256KB

  • memory/2568-23-0x0000000000400000-0x0000000000440000-memory.dmp

    Filesize

    256KB

  • memory/2568-28-0x0000000000400000-0x0000000000440000-memory.dmp

    Filesize

    256KB

  • memory/2568-21-0x0000000000400000-0x0000000000440000-memory.dmp

    Filesize

    256KB