Analysis

  • max time kernel
    119s
  • max time network
    122s
  • platform
    windows7_x64
  • resource
    win7-20231023-en
  • resource tags

    arch:x64arch:x86image:win7-20231023-enlocale:en-usos:windows7-x64system
  • submitted
    08-12-2023 01:22

General

  • Target

    c5be8215f63e6f135915fa6f2bc5503d53c57cd9b58d7fefd5e32b1dbc93b18a.exe

  • Size

    661KB

  • MD5

    aabe461f3a4be6041b990be78a217efd

  • SHA1

    cd98cee32161731b530ebf03e135776d0e2dcde1

  • SHA256

    c5be8215f63e6f135915fa6f2bc5503d53c57cd9b58d7fefd5e32b1dbc93b18a

  • SHA512

    8265b7bd95b7f8bb4143b4190a34f35e57361d790229e3c37b569b4cc35dec3b0baa489c5c3e5d2e1b5d5834a70d870d4380e84139918bfbeb47e0428a114ef6

  • SSDEEP

    12288:vhkZ59oJhtSu/rNXIqG4CguW3fspbDpP7WnaO4r7TeMTwmOCAQJ9HS:vK/2TtTJdObs6ZEmvAk

Malware Config

Extracted

Family

agenttesla

Credentials

Signatures

  • AgentTesla

    Agent Tesla is a remote access tool (RAT) written in visual basic.

  • 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 3 IoCs
  • Suspicious use of AdjustPrivilegeToken 2 IoCs
  • Suspicious use of WriteProcessMemory 17 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\c5be8215f63e6f135915fa6f2bc5503d53c57cd9b58d7fefd5e32b1dbc93b18a.exe
    "C:\Users\Admin\AppData\Local\Temp\c5be8215f63e6f135915fa6f2bc5503d53c57cd9b58d7fefd5e32b1dbc93b18a.exe"
    1⤵
    • Suspicious use of SetThreadContext
    • Suspicious use of WriteProcessMemory
    PID:2360
    • C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe
      "C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" Add-MpPreference -ExclusionPath "C:\Users\Admin\AppData\Roaming\pmtunpXBQFRgOe.exe"
      2⤵
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      PID:2128
    • C:\Windows\SysWOW64\schtasks.exe
      "C:\Windows\System32\schtasks.exe" /Create /TN "Updates\pmtunpXBQFRgOe" /XML "C:\Users\Admin\AppData\Local\Temp\tmpE485.tmp"
      2⤵
      • Creates scheduled task(s)
      PID:2720
    • C:\Users\Admin\AppData\Local\Temp\c5be8215f63e6f135915fa6f2bc5503d53c57cd9b58d7fefd5e32b1dbc93b18a.exe
      "C:\Users\Admin\AppData\Local\Temp\c5be8215f63e6f135915fa6f2bc5503d53c57cd9b58d7fefd5e32b1dbc93b18a.exe"
      2⤵
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      PID:2500

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

Loading Replay Monitor...

Downloads

  • C:\Users\Admin\AppData\Local\Temp\tmpE485.tmp

    Filesize

    1KB

    MD5

    7c82452aae88835a27ce0364da0238c1

    SHA1

    955b7c931bf1caf5079283438294b45e95051d5e

    SHA256

    816fe3984ad078ea750654c1a502b5b97061a4c25540843f929b2d881cd0b264

    SHA512

    bade1b08eb65796e1f4f31bbbd94ad3e488b1fbefd43c81824b9deeac952235b1e49cfacb653235df3f0b92f248ec10cb0e6dc6821be0841a26277f29963424f

  • memory/2128-30-0x00000000026F0000-0x0000000002730000-memory.dmp

    Filesize

    256KB

  • memory/2128-31-0x000000006E1F0000-0x000000006E79B000-memory.dmp

    Filesize

    5.7MB

  • memory/2128-32-0x00000000026F0000-0x0000000002730000-memory.dmp

    Filesize

    256KB

  • memory/2128-33-0x000000006E1F0000-0x000000006E79B000-memory.dmp

    Filesize

    5.7MB

  • memory/2360-3-0x0000000000510000-0x000000000052A000-memory.dmp

    Filesize

    104KB

  • memory/2360-6-0x00000000053D0000-0x000000000544E000-memory.dmp

    Filesize

    504KB

  • memory/2360-5-0x0000000000550000-0x000000000055A000-memory.dmp

    Filesize

    40KB

  • memory/2360-4-0x0000000000530000-0x0000000000538000-memory.dmp

    Filesize

    32KB

  • memory/2360-26-0x00000000748E0000-0x0000000074FCE000-memory.dmp

    Filesize

    6.9MB

  • memory/2360-2-0x00000000049C0000-0x0000000004A00000-memory.dmp

    Filesize

    256KB

  • memory/2360-1-0x00000000748E0000-0x0000000074FCE000-memory.dmp

    Filesize

    6.9MB

  • memory/2360-0-0x0000000000130000-0x00000000001DC000-memory.dmp

    Filesize

    688KB

  • memory/2500-18-0x000000007EFDE000-0x000000007EFDF000-memory.dmp

    Filesize

    4KB

  • memory/2500-24-0x0000000000400000-0x0000000000440000-memory.dmp

    Filesize

    256KB

  • memory/2500-22-0x0000000000400000-0x0000000000440000-memory.dmp

    Filesize

    256KB

  • memory/2500-27-0x0000000000400000-0x0000000000440000-memory.dmp

    Filesize

    256KB

  • memory/2500-28-0x00000000735E0000-0x0000000073CCE000-memory.dmp

    Filesize

    6.9MB

  • memory/2500-29-0x0000000004990000-0x00000000049D0000-memory.dmp

    Filesize

    256KB

  • memory/2500-17-0x0000000000400000-0x0000000000440000-memory.dmp

    Filesize

    256KB

  • memory/2500-16-0x0000000000400000-0x0000000000440000-memory.dmp

    Filesize

    256KB

  • memory/2500-14-0x0000000000400000-0x0000000000440000-memory.dmp

    Filesize

    256KB

  • memory/2500-12-0x0000000000400000-0x0000000000440000-memory.dmp

    Filesize

    256KB

  • memory/2500-34-0x00000000735E0000-0x0000000073CCE000-memory.dmp

    Filesize

    6.9MB

  • memory/2500-35-0x0000000004990000-0x00000000049D0000-memory.dmp

    Filesize

    256KB