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Analysis

  • max time kernel
    119s
  • max time network
    120s
  • platform
    windows7_x64
  • resource
    win7-20240220-en
  • resource tags

    arch:x64arch:x86image:win7-20240220-enlocale:en-usos:windows7-x64system
  • submitted
    19/04/2024, 11:58

General

  • Target

    Order MJIMP 008.exe

  • Size

    702KB

  • MD5

    85614b7101c98396ed9fdc14222e563b

  • SHA1

    cbc9f72d36818e6c1918c86bc56178f92802d7b1

  • SHA256

    98206390a847ef2600f916f0076f687d5261ff98ca02b5292fdf44017ca0e006

  • SHA512

    c123cc701be5ac9a667f3b2617fdb25996f6b46b3aca1cac027d14e76fda4d9a71b17031bcc6dbaf2bc5455184e59377fa39d72cccf133d384523419cbd47fa0

  • SSDEEP

    12288:Wb/1eJ5e7nzXD1uARs1XbQfzQfDKDFHtX9dW323tfZXOdaG9uq3kR:Wb/gJgDsR1r4zVXHtBXOf9uqi

Malware Config

Extracted

Family

agenttesla

Credentials

Signatures

  • AgentTesla

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

  • 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.

  • Adds Run key to start application 2 TTPs 1 IoCs
  • 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 8 IoCs
  • Suspicious use of AdjustPrivilegeToken 4 IoCs
  • Suspicious use of SetWindowsHookEx 1 IoCs
  • Suspicious use of WriteProcessMemory 25 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\Order MJIMP 008.exe
    "C:\Users\Admin\AppData\Local\Temp\Order MJIMP 008.exe"
    1⤵
    • Suspicious use of SetThreadContext
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of WriteProcessMemory
    PID:2764
    • 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\Order MJIMP 008.exe"
      2⤵
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      PID:2916
    • C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe
      "C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" Add-MpPreference -ExclusionPath "C:\Users\Admin\AppData\Roaming\NrbWmxiTaucKrw.exe"
      2⤵
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      PID:2644
    • C:\Windows\SysWOW64\schtasks.exe
      "C:\Windows\System32\schtasks.exe" /Create /TN "Updates\NrbWmxiTaucKrw" /XML "C:\Users\Admin\AppData\Local\Temp\tmp515B.tmp"
      2⤵
      • Creates scheduled task(s)
      PID:2636
    • C:\Users\Admin\AppData\Local\Temp\Order MJIMP 008.exe
      "C:\Users\Admin\AppData\Local\Temp\Order MJIMP 008.exe"
      2⤵
        PID:2876
      • C:\Users\Admin\AppData\Local\Temp\Order MJIMP 008.exe
        "C:\Users\Admin\AppData\Local\Temp\Order MJIMP 008.exe"
        2⤵
        • Adds Run key to start application
        • Suspicious behavior: EnumeratesProcesses
        • Suspicious use of AdjustPrivilegeToken
        • Suspicious use of SetWindowsHookEx
        PID:2600

    Network

    MITRE ATT&CK Enterprise v15

    Replay Monitor

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    Downloads

    • C:\Users\Admin\AppData\Local\Temp\tmp515B.tmp

      Filesize

      1KB

      MD5

      939eb04b31e973a3cecc249572904c18

      SHA1

      c5b4feba6d21b3cb084306dd04d069b68b969492

      SHA256

      6d60904252439f37c9d7c887b45cf3194780b79b3561b2c2fcafd129ed22ede9

      SHA512

      dd079b31ce27e38aa59519794755a46a3a63c5c7f127858f849605b082e6cfc087f1c27168ec03d3688d872049e0a185b7d7e5103d15194cd2a33f105f6faae3

    • C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Recent\CustomDestinations\IP2JAB6VMLOYS95OJMSR.temp

      Filesize

      7KB

      MD5

      83cf62e45612e131d0b366271556d726

      SHA1

      38f7cb00a1c604e6bb55a56295ba3b2261ea1fea

      SHA256

      2150e3d07667d683f57d0ae1822f605443c6399b6deb72919768f84e85424947

      SHA512

      edad5b95cb99f32a6d7d3ad444c98841b920614d1d3561fc7062f1d3e5099019d442702422b59a5a85c9126d4d87125ea3c08b53f3d032575cdae1feca7d540e

    • memory/2600-29-0x0000000000400000-0x0000000000442000-memory.dmp

      Filesize

      264KB

    • memory/2600-25-0x000000007EFDE000-0x000000007EFDF000-memory.dmp

      Filesize

      4KB

    • memory/2600-48-0x0000000004B70000-0x0000000004BB0000-memory.dmp

      Filesize

      256KB

    • memory/2600-47-0x00000000748A0000-0x0000000074F8E000-memory.dmp

      Filesize

      6.9MB

    • memory/2600-43-0x00000000748A0000-0x0000000074F8E000-memory.dmp

      Filesize

      6.9MB

    • memory/2600-45-0x0000000004B70000-0x0000000004BB0000-memory.dmp

      Filesize

      256KB

    • memory/2600-20-0x0000000000400000-0x0000000000442000-memory.dmp

      Filesize

      264KB

    • memory/2600-27-0x0000000000400000-0x0000000000442000-memory.dmp

      Filesize

      264KB

    • memory/2600-31-0x0000000000400000-0x0000000000442000-memory.dmp

      Filesize

      264KB

    • memory/2600-22-0x0000000000400000-0x0000000000442000-memory.dmp

      Filesize

      264KB

    • memory/2600-23-0x0000000000400000-0x0000000000442000-memory.dmp

      Filesize

      264KB

    • memory/2600-24-0x0000000000400000-0x0000000000442000-memory.dmp

      Filesize

      264KB

    • memory/2644-33-0x000000006E0C0000-0x000000006E66B000-memory.dmp

      Filesize

      5.7MB

    • memory/2644-42-0x000000006E0C0000-0x000000006E66B000-memory.dmp

      Filesize

      5.7MB

    • memory/2644-41-0x0000000002060000-0x00000000020A0000-memory.dmp

      Filesize

      256KB

    • memory/2644-39-0x0000000002060000-0x00000000020A0000-memory.dmp

      Filesize

      256KB

    • memory/2644-37-0x000000006E0C0000-0x000000006E66B000-memory.dmp

      Filesize

      5.7MB

    • memory/2644-35-0x0000000002060000-0x00000000020A0000-memory.dmp

      Filesize

      256KB

    • memory/2764-7-0x0000000004B30000-0x0000000004BB4000-memory.dmp

      Filesize

      528KB

    • memory/2764-6-0x0000000002060000-0x000000000206C000-memory.dmp

      Filesize

      48KB

    • memory/2764-4-0x00000000005B0000-0x00000000005C4000-memory.dmp

      Filesize

      80KB

    • memory/2764-2-0x0000000004C60000-0x0000000004CA0000-memory.dmp

      Filesize

      256KB

    • memory/2764-1-0x00000000748A0000-0x0000000074F8E000-memory.dmp

      Filesize

      6.9MB

    • memory/2764-0-0x0000000000300000-0x00000000003B2000-memory.dmp

      Filesize

      712KB

    • memory/2764-3-0x0000000000620000-0x00000000006BE000-memory.dmp

      Filesize

      632KB

    • memory/2764-5-0x0000000001FE0000-0x0000000001FE8000-memory.dmp

      Filesize

      32KB

    • memory/2764-32-0x00000000748A0000-0x0000000074F8E000-memory.dmp

      Filesize

      6.9MB

    • memory/2916-38-0x000000006E0C0000-0x000000006E66B000-memory.dmp

      Filesize

      5.7MB

    • memory/2916-44-0x000000006E0C0000-0x000000006E66B000-memory.dmp

      Filesize

      5.7MB

    • memory/2916-34-0x000000006E0C0000-0x000000006E66B000-memory.dmp

      Filesize

      5.7MB

    • memory/2916-40-0x0000000002880000-0x00000000028C0000-memory.dmp

      Filesize

      256KB

    • memory/2916-36-0x0000000002880000-0x00000000028C0000-memory.dmp

      Filesize

      256KB