Analysis

  • max time kernel
    117s
  • max time network
    120s
  • platform
    windows7_x64
  • resource
    win7-20231215-en
  • resource tags

    arch:x64arch:x86image:win7-20231215-enlocale:en-usos:windows7-x64system
  • submitted
    04-02-2024 01:20

General

  • Target

    84f0a1001a606072b86d8eca2c4d9ccefc71c38ff71d0aaa2f4ae003f802917b.exe

  • Size

    713KB

  • MD5

    593bb72286c1c2ce5c2456c7d9585a80

  • SHA1

    cb9bf63f9005d5b4f1bcbcf3efead399a1c960a7

  • SHA256

    84f0a1001a606072b86d8eca2c4d9ccefc71c38ff71d0aaa2f4ae003f802917b

  • SHA512

    2fd046fc4730a5e912bfc1cd33cdc2601b159f2b55fbfb86ed6bb966dd5d147586e245bb30bdaaf78b568c814985fc488920faa87fc87d8f9ad0534ab27daf83

  • SSDEEP

    12288:gOd53rD22AAxia+iWUd1jIXbsZ9uXIfa5vWwRkP/l14zAFDQzjgWaqPK6k3LlYl:NrDa5a+iJXIr89fOmnnDQf4bP3LlY

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.

  • 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\84f0a1001a606072b86d8eca2c4d9ccefc71c38ff71d0aaa2f4ae003f802917b.exe
    "C:\Users\Admin\AppData\Local\Temp\84f0a1001a606072b86d8eca2c4d9ccefc71c38ff71d0aaa2f4ae003f802917b.exe"
    1⤵
    • Suspicious use of SetThreadContext
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of WriteProcessMemory
    PID:828
    • 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\84f0a1001a606072b86d8eca2c4d9ccefc71c38ff71d0aaa2f4ae003f802917b.exe"
      2⤵
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      PID:2888
    • C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe
      "C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" Add-MpPreference -ExclusionPath "C:\Users\Admin\AppData\Roaming\nNdsLvHyWi.exe"
      2⤵
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      PID:2708
    • C:\Windows\SysWOW64\schtasks.exe
      "C:\Windows\System32\schtasks.exe" /Create /TN "Updates\nNdsLvHyWi" /XML "C:\Users\Admin\AppData\Local\Temp\tmp7D1C.tmp"
      2⤵
      • Creates scheduled task(s)
      PID:2328
    • C:\Users\Admin\AppData\Local\Temp\84f0a1001a606072b86d8eca2c4d9ccefc71c38ff71d0aaa2f4ae003f802917b.exe
      "C:\Users\Admin\AppData\Local\Temp\84f0a1001a606072b86d8eca2c4d9ccefc71c38ff71d0aaa2f4ae003f802917b.exe"
      2⤵
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      • Suspicious use of SetWindowsHookEx
      PID:2608

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

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Downloads

  • C:\Users\Admin\AppData\Local\Temp\tmp7D1C.tmp

    Filesize

    1KB

    MD5

    22dca588601eec186d66f574d1a78e98

    SHA1

    9175d7c703c8554276f8314391bfe8ece436edea

    SHA256

    9a9236a592b3991e03c9a55ae8892ad535a3bdc29641e2aac582fa53a82cfc47

    SHA512

    b0510fcd29972f3e7288d5d4d477129aa9454f17529c5642926f1cac2c3416ef66b84158814e3d58f493c19387a3f60fe6531fd8c0b911aac5dac545f6607934

  • C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Recent\CustomDestinations\A9XO4N2LUAEAW5Z31SZ8.temp

    Filesize

    7KB

    MD5

    86f8a45ed1f12183a7deed06f0158ad2

    SHA1

    843e254f459b79f57ce43fd4bd93759ddcc7ba99

    SHA256

    0ced92c966c6ac5f34661a2bad1d12c8b6f2d8f205988bd3e4a70419848c617a

    SHA512

    6781fd7e3fe3a67a63a7704c0cf010d58c5c319d9b7155971231f5daf2ff260902b4ea383b915464aa86beba62ed3ed5063c54ad81d0f96e5a971af45e13b15f

  • memory/828-0-0x0000000000D80000-0x0000000000E38000-memory.dmp

    Filesize

    736KB

  • memory/828-1-0x00000000749C0000-0x00000000750AE000-memory.dmp

    Filesize

    6.9MB

  • memory/828-2-0x0000000004950000-0x0000000004990000-memory.dmp

    Filesize

    256KB

  • memory/828-3-0x0000000000640000-0x000000000065C000-memory.dmp

    Filesize

    112KB

  • memory/828-4-0x00000000006B0000-0x00000000006BE000-memory.dmp

    Filesize

    56KB

  • memory/828-5-0x00000000006C0000-0x00000000006D4000-memory.dmp

    Filesize

    80KB

  • memory/828-6-0x0000000004D20000-0x0000000004DA4000-memory.dmp

    Filesize

    528KB

  • memory/828-32-0x00000000749C0000-0x00000000750AE000-memory.dmp

    Filesize

    6.9MB

  • memory/828-21-0x00000000749C0000-0x00000000750AE000-memory.dmp

    Filesize

    6.9MB

  • memory/2608-33-0x0000000000400000-0x0000000000442000-memory.dmp

    Filesize

    264KB

  • memory/2608-35-0x0000000000400000-0x0000000000442000-memory.dmp

    Filesize

    264KB

  • memory/2608-26-0x0000000000400000-0x0000000000442000-memory.dmp

    Filesize

    264KB

  • memory/2608-28-0x000000007EFDE000-0x000000007EFDF000-memory.dmp

    Filesize

    4KB

  • memory/2608-30-0x0000000000400000-0x0000000000442000-memory.dmp

    Filesize

    264KB

  • memory/2608-22-0x0000000000400000-0x0000000000442000-memory.dmp

    Filesize

    264KB

  • memory/2608-19-0x0000000000400000-0x0000000000442000-memory.dmp

    Filesize

    264KB

  • memory/2608-42-0x00000000736C0000-0x0000000073DAE000-memory.dmp

    Filesize

    6.9MB

  • memory/2608-48-0x00000000736C0000-0x0000000073DAE000-memory.dmp

    Filesize

    6.9MB

  • memory/2608-24-0x0000000000400000-0x0000000000442000-memory.dmp

    Filesize

    264KB

  • memory/2708-38-0x0000000002710000-0x0000000002750000-memory.dmp

    Filesize

    256KB

  • memory/2708-37-0x000000006ED10000-0x000000006F2BB000-memory.dmp

    Filesize

    5.7MB

  • memory/2708-46-0x000000006ED10000-0x000000006F2BB000-memory.dmp

    Filesize

    5.7MB

  • memory/2708-41-0x0000000002710000-0x0000000002750000-memory.dmp

    Filesize

    256KB

  • memory/2708-44-0x0000000002710000-0x0000000002750000-memory.dmp

    Filesize

    256KB

  • memory/2708-43-0x000000006ED10000-0x000000006F2BB000-memory.dmp

    Filesize

    5.7MB

  • memory/2888-39-0x0000000002640000-0x0000000002680000-memory.dmp

    Filesize

    256KB

  • memory/2888-45-0x0000000002640000-0x0000000002680000-memory.dmp

    Filesize

    256KB

  • memory/2888-47-0x000000006ED10000-0x000000006F2BB000-memory.dmp

    Filesize

    5.7MB

  • memory/2888-40-0x000000006ED10000-0x000000006F2BB000-memory.dmp

    Filesize

    5.7MB

  • memory/2888-36-0x000000006ED10000-0x000000006F2BB000-memory.dmp

    Filesize

    5.7MB