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Analysis

  • max time kernel
    118s
  • max time network
    126s
  • platform
    windows7_x64
  • resource
    win7-20240221-en
  • resource tags

    arch:x64arch:x86image:win7-20240221-enlocale:en-usos:windows7-x64system
  • submitted
    28/02/2024, 17:01

General

  • Target

    b9008d07600af358e885fe396b52bbc6efbc135f7010e6aa6849c3af952dd9fb.exe

  • Size

    720KB

  • MD5

    b774ca62d4f7e4a8359a40c7cad50ddb

  • SHA1

    09467ea941b0c2c65cf908419847a7b3f948cc44

  • SHA256

    b9008d07600af358e885fe396b52bbc6efbc135f7010e6aa6849c3af952dd9fb

  • SHA512

    73e6c2c67cdba72866316ddd6010f9a289ab75dac8f3228a749ec1595d94c18e10b8890f77978004341a762874845ddf7b1785f388cc956b38a99eaabab5a2a7

  • SSDEEP

    12288:1lW33mzBh35KR3kWhUlZ/WYjJsRVFYF/Iu65Ho3ZFQYATaFX21Q9NtS8zVjBwCkR:rBwRbqZ/H1sRbW/Iu6FoJFJATAX21Q9A

Malware Config

Extracted

Family

agenttesla

Credentials

Signatures

  • AgentTesla

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

  • Detect packed .NET executables. Mostly AgentTeslaV4. 6 IoCs
  • Detects binaries (Windows and macOS) referencing many web browsers. Observed in information stealers. 6 IoCs
  • Detects executables referencing Windows vault credential objects. Observed in infostealers 6 IoCs
  • Detects executables referencing many confidential data stores found in browsers, mail clients, cryptocurreny wallets, etc. Observed in information stealers 6 IoCs
  • Detects executables referencing many email and collaboration clients. Observed in information stealers 6 IoCs
  • Detects executables referencing many file transfer clients. Observed in information stealers 6 IoCs
  • 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 6 IoCs
  • Suspicious use of AdjustPrivilegeToken 4 IoCs
  • Suspicious use of SetWindowsHookEx 1 IoCs
  • Suspicious use of WriteProcessMemory 21 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\b9008d07600af358e885fe396b52bbc6efbc135f7010e6aa6849c3af952dd9fb.exe
    "C:\Users\Admin\AppData\Local\Temp\b9008d07600af358e885fe396b52bbc6efbc135f7010e6aa6849c3af952dd9fb.exe"
    1⤵
    • Suspicious use of SetThreadContext
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of WriteProcessMemory
    PID:2840
    • 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\b9008d07600af358e885fe396b52bbc6efbc135f7010e6aa6849c3af952dd9fb.exe"
      2⤵
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      PID:2460
    • C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe
      "C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" Add-MpPreference -ExclusionPath "C:\Users\Admin\AppData\Roaming\VoAlKljQu.exe"
      2⤵
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      PID:2592
    • C:\Windows\SysWOW64\schtasks.exe
      "C:\Windows\System32\schtasks.exe" /Create /TN "Updates\VoAlKljQu" /XML "C:\Users\Admin\AppData\Local\Temp\tmp87D5.tmp"
      2⤵
      • Creates scheduled task(s)
      PID:2496
    • C:\Users\Admin\AppData\Local\Temp\b9008d07600af358e885fe396b52bbc6efbc135f7010e6aa6849c3af952dd9fb.exe
      "C:\Users\Admin\AppData\Local\Temp\b9008d07600af358e885fe396b52bbc6efbc135f7010e6aa6849c3af952dd9fb.exe"
      2⤵
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      • Suspicious use of SetWindowsHookEx
      PID:2384

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

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Downloads

  • C:\Users\Admin\AppData\Local\Temp\tmp87D5.tmp

    Filesize

    1KB

    MD5

    de4ea5ac0c269c429bc1552225c5ba6a

    SHA1

    fea32254bad6b5853c3c1327275d7b90a3047f21

    SHA256

    76856e32ef88838090cfa5c984f7bfc324878521c88838c4b72f7753e824072f

    SHA512

    55512ca0bf4b3ab71b20c6e0bbedc6aaff1053bcddb73b8219217c63c0fbe5da383f056da97e1fa183fbabf596879b053baff4bfc7244fd6c72161e4a620f809

  • C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Recent\CustomDestinations\2W1VO7BYI1Q2PT7KVKCT.temp

    Filesize

    7KB

    MD5

    3ca397a8e6ca8fa0f8cd46f7185ef4a3

    SHA1

    2bef5a3dd4340a4b9d59758e2d396328dd7f4acc

    SHA256

    15de629ef6a346555e09184963f9ea6f6bb1a949ab57dbea0296eedacffc0764

    SHA512

    2b3055e4f9420018cfb5b969912f3f0e971a12a1d4e211389184d6b7f4d5cdacc22bef128180f38e73418c7b23050781ae3fa25fa9fa38e82f0965a172cf174e

  • memory/2384-29-0x0000000000400000-0x0000000000442000-memory.dmp

    Filesize

    264KB

  • memory/2384-27-0x000000007EFDE000-0x000000007EFDF000-memory.dmp

    Filesize

    4KB

  • memory/2384-47-0x0000000004BA0000-0x0000000004BE0000-memory.dmp

    Filesize

    256KB

  • memory/2384-46-0x0000000074690000-0x0000000074D7E000-memory.dmp

    Filesize

    6.9MB

  • memory/2384-42-0x0000000074690000-0x0000000074D7E000-memory.dmp

    Filesize

    6.9MB

  • memory/2384-33-0x0000000000400000-0x0000000000442000-memory.dmp

    Filesize

    264KB

  • memory/2384-31-0x0000000000400000-0x0000000000442000-memory.dmp

    Filesize

    264KB

  • memory/2384-19-0x0000000000400000-0x0000000000442000-memory.dmp

    Filesize

    264KB

  • memory/2384-21-0x0000000000400000-0x0000000000442000-memory.dmp

    Filesize

    264KB

  • memory/2384-23-0x0000000000400000-0x0000000000442000-memory.dmp

    Filesize

    264KB

  • memory/2384-25-0x0000000000400000-0x0000000000442000-memory.dmp

    Filesize

    264KB

  • memory/2460-38-0x0000000002690000-0x00000000026D0000-memory.dmp

    Filesize

    256KB

  • memory/2460-35-0x000000006E370000-0x000000006E91B000-memory.dmp

    Filesize

    5.7MB

  • memory/2460-44-0x000000006E370000-0x000000006E91B000-memory.dmp

    Filesize

    5.7MB

  • memory/2460-39-0x000000006E370000-0x000000006E91B000-memory.dmp

    Filesize

    5.7MB

  • memory/2592-43-0x00000000027D0000-0x0000000002810000-memory.dmp

    Filesize

    256KB

  • memory/2592-40-0x00000000027D0000-0x0000000002810000-memory.dmp

    Filesize

    256KB

  • memory/2592-36-0x000000006E370000-0x000000006E91B000-memory.dmp

    Filesize

    5.7MB

  • memory/2592-37-0x000000006E370000-0x000000006E91B000-memory.dmp

    Filesize

    5.7MB

  • memory/2592-45-0x000000006E370000-0x000000006E91B000-memory.dmp

    Filesize

    5.7MB

  • memory/2592-41-0x00000000027D0000-0x0000000002810000-memory.dmp

    Filesize

    256KB

  • memory/2840-34-0x0000000074690000-0x0000000074D7E000-memory.dmp

    Filesize

    6.9MB

  • memory/2840-3-0x0000000000600000-0x0000000000620000-memory.dmp

    Filesize

    128KB

  • memory/2840-6-0x0000000004DA0000-0x0000000004E22000-memory.dmp

    Filesize

    520KB

  • memory/2840-0-0x0000000000E10000-0x0000000000EC8000-memory.dmp

    Filesize

    736KB

  • memory/2840-1-0x0000000074690000-0x0000000074D7E000-memory.dmp

    Filesize

    6.9MB

  • memory/2840-2-0x0000000004EF0000-0x0000000004F30000-memory.dmp

    Filesize

    256KB

  • memory/2840-5-0x00000000004B0000-0x00000000004C2000-memory.dmp

    Filesize

    72KB

  • memory/2840-4-0x0000000000460000-0x000000000046E000-memory.dmp

    Filesize

    56KB