Analysis

  • max time kernel
    120s
  • max time network
    140s
  • platform
    windows7_x64
  • resource
    win7-20240221-en
  • resource tags

    arch:x64arch:x86image:win7-20240221-enlocale:en-usos:windows7-x64system
  • submitted
    29-05-2024 13:34

General

  • Target

    2cd9ea183ef88bc1ee850151e47ffc1613b6a4a57ddbb14ef8230cd25ba77a70.exe

  • Size

    667KB

  • MD5

    fed0e7606fdae5961988a53e62c792b9

  • SHA1

    6a2955bf2a7a60e1a5b3d37176d5c4842a582702

  • SHA256

    2cd9ea183ef88bc1ee850151e47ffc1613b6a4a57ddbb14ef8230cd25ba77a70

  • SHA512

    b49626292c059439c027c0211e499711616d09a0eec50800f374952d4b2bc8ca83538250ca9bc5c87445d7ad9b2b8e1e6468386dc9d94bd6cef29adc0890f951

  • SSDEEP

    12288:rKcOV/xljKrCu8RrCPZTUYTkXh/9HJRGWqF07TDuTkOVvF:PrC/rCRT+Rlv0F0fwLV

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.

  • 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).

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

Processes

  • C:\Users\Admin\AppData\Local\Temp\2cd9ea183ef88bc1ee850151e47ffc1613b6a4a57ddbb14ef8230cd25ba77a70.exe
    "C:\Users\Admin\AppData\Local\Temp\2cd9ea183ef88bc1ee850151e47ffc1613b6a4a57ddbb14ef8230cd25ba77a70.exe"
    1⤵
    • Suspicious use of SetThreadContext
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of WriteProcessMemory
    PID:1340
    • 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\2cd9ea183ef88bc1ee850151e47ffc1613b6a4a57ddbb14ef8230cd25ba77a70.exe"
      2⤵
      • Command and Scripting Interpreter: PowerShell
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      PID:2028
    • C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe
      "C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" Add-MpPreference -ExclusionPath "C:\Users\Admin\AppData\Roaming\qicqbuFUGCXO.exe"
      2⤵
      • Command and Scripting Interpreter: PowerShell
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      PID:2696
    • C:\Windows\SysWOW64\schtasks.exe
      "C:\Windows\System32\schtasks.exe" /Create /TN "Updates\qicqbuFUGCXO" /XML "C:\Users\Admin\AppData\Local\Temp\tmpF086.tmp"
      2⤵
      • Creates scheduled task(s)
      PID:2436
    • C:\Users\Admin\AppData\Local\Temp\2cd9ea183ef88bc1ee850151e47ffc1613b6a4a57ddbb14ef8230cd25ba77a70.exe
      "C:\Users\Admin\AppData\Local\Temp\2cd9ea183ef88bc1ee850151e47ffc1613b6a4a57ddbb14ef8230cd25ba77a70.exe"
      2⤵
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      PID:1392

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

Loading Replay Monitor...

Downloads

  • C:\Users\Admin\AppData\Local\Temp\tmpF086.tmp

    Filesize

    1KB

    MD5

    4398199b7b14f56b13dc6ec1b8ec23fd

    SHA1

    d63c71e7cfb8eaeda05b7f98cc2c45fbc56dde43

    SHA256

    d2195248796bac1f383ed3087ab67869b0281ac9a94a98c4d036c858f5de3498

    SHA512

    a675e201420e6e680e8b3570c629a70b79e56bb08af3ff5f7c5d37c46c49628ae47dd50b24351a520d264aee6cac723b646c8ce362fb3ef978045a124875ddc3

  • C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Recent\CustomDestinations\S6R4MAM0COEJZJKGT1J3.temp

    Filesize

    7KB

    MD5

    a28cd510d1bd4994ffddf99ffe0f00b1

    SHA1

    18c4e401b66e51f60fd7f750aaefad9b61a78923

    SHA256

    bbae250c108a7842045abaaf0211348ea19fb191d284cc11368c6f49c4ee3e36

    SHA512

    d40639779f2b061c2b6bd3ae251002034b5a7c0199136c62d07dcbb8755e65e0aeaaa689198972220362babd239ed7fc7ab0884b8f4574afec7d81861a97e970

  • memory/1340-4-0x0000000000A00000-0x0000000000A0C000-memory.dmp

    Filesize

    48KB

  • memory/1340-3-0x0000000000550000-0x0000000000566000-memory.dmp

    Filesize

    88KB

  • memory/1340-0-0x00000000745EE000-0x00000000745EF000-memory.dmp

    Filesize

    4KB

  • memory/1340-5-0x0000000000A10000-0x0000000000A20000-memory.dmp

    Filesize

    64KB

  • memory/1340-6-0x00000000010A0000-0x0000000001122000-memory.dmp

    Filesize

    520KB

  • memory/1340-7-0x00000000745EE000-0x00000000745EF000-memory.dmp

    Filesize

    4KB

  • memory/1340-2-0x00000000745E0000-0x0000000074CCE000-memory.dmp

    Filesize

    6.9MB

  • memory/1340-1-0x0000000001130000-0x00000000011DE000-memory.dmp

    Filesize

    696KB

  • memory/1340-32-0x00000000745E0000-0x0000000074CCE000-memory.dmp

    Filesize

    6.9MB

  • memory/1392-29-0x0000000000400000-0x0000000000440000-memory.dmp

    Filesize

    256KB

  • memory/1392-31-0x0000000000400000-0x0000000000440000-memory.dmp

    Filesize

    256KB

  • memory/1392-30-0x0000000000400000-0x0000000000440000-memory.dmp

    Filesize

    256KB

  • memory/1392-26-0x0000000000400000-0x0000000000440000-memory.dmp

    Filesize

    256KB

  • memory/1392-24-0x0000000000400000-0x0000000000440000-memory.dmp

    Filesize

    256KB

  • memory/1392-22-0x0000000000400000-0x0000000000440000-memory.dmp

    Filesize

    256KB

  • memory/1392-28-0x000000007EFDE000-0x000000007EFDF000-memory.dmp

    Filesize

    4KB

  • memory/1392-20-0x0000000000400000-0x0000000000440000-memory.dmp

    Filesize

    256KB