Analysis

  • max time kernel
    120s
  • max time network
    117s
  • platform
    windows7_x64
  • resource
    win7-20241010-en
  • resource tags

    arch:x64arch:x86image:win7-20241010-enlocale:en-usos:windows7-x64system
  • submitted
    24-11-2024 01:33

General

  • Target

    e4abd64a01e42490c43dd96226b4c4e601b9b850ea6ae337b9084aee1434e969.exe

  • Size

    4.5MB

  • MD5

    357e95c67cad40d7dbd6ed7ad2274e43

  • SHA1

    7f4005f935f0a2666f6eb89cfb743153e47b44a9

  • SHA256

    e4abd64a01e42490c43dd96226b4c4e601b9b850ea6ae337b9084aee1434e969

  • SHA512

    f868b99abc083aa780bf73354c7bce87ed9e639b4a6c4368a021b6953e89a29b71fa02ce5ceab9a9fb9d930a49eb91aa54c1bdce851bd8f92bbd0a4510a147f6

  • SSDEEP

    98304:QtY88x9t4upQC2J8cBVjuOOpFLTXSkIEhYHp0e3zShDC0y2I58DxmG1FCcK:QDktpv2RkOOpFLTLleDShDC0I8Dxm

Malware Config

Extracted

Family

agenttesla

C2

https://api.telegram.org/bot7390139954:AAFw-89dzufZnN9iQ-qMJ7xuGsXRrzvXAEI/

Signatures

  • AgentTesla

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

  • Agenttesla family
  • Identifies VirtualBox via ACPI registry values (likely anti-VM) 2 TTPs 1 IoCs
  • 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.

  • Checks BIOS information in registry 2 TTPs 2 IoCs

    BIOS information is often read in order to detect sandboxing environments.

  • Deletes itself 1 IoCs
  • Executes dropped EXE 8 IoCs
  • Loads dropped DLL 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 3 TTPs

    Infostealers often target stored browser data, which can include saved credentials etc.

  • Themida packer 21 IoCs

    Detects Themida, an advanced Windows software protection system.

  • Checks whether UAC is enabled 1 TTPs 1 IoCs
  • Looks up external IP address via web service 1 IoCs

    Uses a legitimate IP lookup service to find the infected system's external IP.

  • Suspicious use of NtSetInformationThreadHideFromDebugger 1 IoCs
  • Suspicious use of SetThreadContext 1 IoCs
  • Enumerates physical storage devices 1 TTPs

    Attempts to interact with connected storage/optical drive(s).

  • System Location Discovery: System Language Discovery 1 TTPs 7 IoCs

    Attempt gather information about the system language of a victim in order to infer the geographical location of that host.

  • Delays execution with timeout.exe 1 IoCs
  • Scheduled Task/Job: Scheduled Task 1 TTPs 2 IoCs

    Schtasks is often used by malware for persistence or to perform post-infection execution.

  • Suspicious behavior: EnumeratesProcesses 24 IoCs
  • Suspicious use of AdjustPrivilegeToken 46 IoCs
  • Suspicious use of SetWindowsHookEx 1 IoCs
  • Suspicious use of WriteProcessMemory 64 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\e4abd64a01e42490c43dd96226b4c4e601b9b850ea6ae337b9084aee1434e969.exe
    "C:\Users\Admin\AppData\Local\Temp\e4abd64a01e42490c43dd96226b4c4e601b9b850ea6ae337b9084aee1434e969.exe"
    1⤵
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of WriteProcessMemory
    PID:3012
    • C:\Windows\system32\cmd.exe
      "cmd" /C wmic path win32_ComputerSystem get model
      2⤵
      • Suspicious use of WriteProcessMemory
      PID:2436
      • C:\Windows\System32\Wbem\WMIC.exe
        wmic path win32_ComputerSystem get model
        3⤵
        • Suspicious use of AdjustPrivilegeToken
        PID:2216
    • C:\Users\Admin\AppData\Local\Temp\rCMpyBdAiu\zW1UDh1Sv6rNfns.exe
      "C:\Users\Admin\AppData\Local\Temp\rCMpyBdAiu\zW1UDh1Sv6rNfns.exe"
      2⤵
      • Executes dropped EXE
      • Loads dropped DLL
      • Suspicious use of SetThreadContext
      • System Location Discovery: System Language Discovery
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      • Suspicious use of WriteProcessMemory
      PID:2116
      • C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe
        "C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" Add-MpPreference -ExclusionPath "C:\Users\Admin\AppData\Roaming\NuWWtBZeYqtw.exe"
        3⤵
        • Command and Scripting Interpreter: PowerShell
        • System Location Discovery: System Language Discovery
        • Suspicious behavior: EnumeratesProcesses
        • Suspicious use of AdjustPrivilegeToken
        PID:1620
      • C:\Windows\SysWOW64\schtasks.exe
        "C:\Windows\System32\schtasks.exe" /Create /TN "Updates\NuWWtBZeYqtw" /XML "C:\Users\Admin\AppData\Local\Temp\tmp6CA8.tmp"
        3⤵
        • System Location Discovery: System Language Discovery
        • Scheduled Task/Job: Scheduled Task
        PID:2764
      • C:\Users\Admin\AppData\Local\Temp\rCMpyBdAiu\zW1UDh1Sv6rNfns.exe
        "C:\Users\Admin\AppData\Local\Temp\rCMpyBdAiu\zW1UDh1Sv6rNfns.exe"
        3⤵
        • Identifies VirtualBox via ACPI registry values (likely anti-VM)
        • Checks BIOS information in registry
        • Executes dropped EXE
        • Checks whether UAC is enabled
        • Suspicious use of NtSetInformationThreadHideFromDebugger
        • System Location Discovery: System Language Discovery
        • Suspicious behavior: EnumeratesProcesses
        • Suspicious use of AdjustPrivilegeToken
        • Suspicious use of SetWindowsHookEx
        PID:2160
    • C:\Users\Admin\AppData\Local\Temp\qYgKwldBFHrF\3DRas.exe
      "C:\Users\Admin\AppData\Local\Temp\qYgKwldBFHrF\3DRas.exe"
      2⤵
      • Executes dropped EXE
      • Loads dropped DLL
      • System Location Discovery: System Language Discovery
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      • Suspicious use of WriteProcessMemory
      PID:2984
      • C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe
        "C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" Add-MpPreference -ExclusionPath "C:\Users\Admin\AppData\Roaming\IvlsrtlGXAfm.exe"
        3⤵
        • Command and Scripting Interpreter: PowerShell
        • System Location Discovery: System Language Discovery
        • Suspicious behavior: EnumeratesProcesses
        • Suspicious use of AdjustPrivilegeToken
        PID:2352
      • C:\Windows\SysWOW64\schtasks.exe
        "C:\Windows\System32\schtasks.exe" /Create /TN "Updates\IvlsrtlGXAfm" /XML "C:\Users\Admin\AppData\Local\Temp\tmp84BA.tmp"
        3⤵
        • System Location Discovery: System Language Discovery
        • Scheduled Task/Job: Scheduled Task
        PID:2064
      • C:\Users\Admin\AppData\Local\Temp\qYgKwldBFHrF\3DRas.exe
        "C:\Users\Admin\AppData\Local\Temp\qYgKwldBFHrF\3DRas.exe"
        3⤵
        • Executes dropped EXE
        PID:2684
      • C:\Users\Admin\AppData\Local\Temp\qYgKwldBFHrF\3DRas.exe
        "C:\Users\Admin\AppData\Local\Temp\qYgKwldBFHrF\3DRas.exe"
        3⤵
        • Executes dropped EXE
        PID:1148
      • C:\Users\Admin\AppData\Local\Temp\qYgKwldBFHrF\3DRas.exe
        "C:\Users\Admin\AppData\Local\Temp\qYgKwldBFHrF\3DRas.exe"
        3⤵
        • Executes dropped EXE
        PID:1328
      • C:\Users\Admin\AppData\Local\Temp\qYgKwldBFHrF\3DRas.exe
        "C:\Users\Admin\AppData\Local\Temp\qYgKwldBFHrF\3DRas.exe"
        3⤵
        • Executes dropped EXE
        PID:1056
      • C:\Users\Admin\AppData\Local\Temp\qYgKwldBFHrF\3DRas.exe
        "C:\Users\Admin\AppData\Local\Temp\qYgKwldBFHrF\3DRas.exe"
        3⤵
        • Executes dropped EXE
        PID:940
    • C:\Windows\System32\cmd.exe
      "C:\Windows\System32\cmd.exe" /C TIMEOUT /T 3 && DEL /f "C:\Users\Admin\AppData\Local\Temp\e4abd64a01e42490c43dd96226b4c4e601b9b850ea6ae337b9084aee1434e969.exe"
      2⤵
      • Deletes itself
      • Suspicious use of WriteProcessMemory
      PID:2968
      • C:\Windows\system32\timeout.exe
        TIMEOUT /T 3
        3⤵
        • Delays execution with timeout.exe
        PID:2784

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

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Downloads

  • C:\Users\Admin\AppData\Local\Temp\qYgKwldBFHrF\3DRas.exe

    Filesize

    2.3MB

    MD5

    b2d4ca0d0b4a62668b10fef0fe398173

    SHA1

    af81044a4676023fc24d47c627e59ecd80aee9c7

    SHA256

    d195c0403aa92be0b700f1537e8745b746b1e3a60a22989145d462e01b6c0183

    SHA512

    d96714b8e7b1afde59bbbd9ca4a9fb04bce376f25b3afd6e88bee5fcdd0058d7080c7d8c2e4f32319990ec1f53805c783973f33e7adf260999fa7240ecac070c

  • C:\Users\Admin\AppData\Local\Temp\rCMpyBdAiu\zW1UDh1Sv6rNfns.exe

    Filesize

    2.2MB

    MD5

    0c3fb6f18fef7082a5e471492a4ec464

    SHA1

    02e89c382c50a7745aa8fa8f489fe6a66f9d4d64

    SHA256

    c31ef3e47ebbb92febeeda72abfdbe9b8bb92cca58eda4e607ef2b192d6df1d6

    SHA512

    57d4dd97a88abe4fe9e1505a21e58bc693d9c1266447d8bca0d13d92b6576fe390b7fe1cd21dc09108fd7d30a0b3903bdfe1fef5ca876f047abeb7d58677a243

  • C:\Users\Admin\AppData\Local\Temp\tmp6CA8.tmp

    Filesize

    1KB

    MD5

    c239691fe19ff5dc1dac4c9fd85bc9a6

    SHA1

    6d3461df54fb7c65136a3d2ab03ad8fbc651da4e

    SHA256

    c94544fe5082d5fc13704137530757bce47e4f70bbbb1dcaaa4cb952978f4a28

    SHA512

    18c9c4ab85cb3bcdce0346c5f58bafb1e2a14ff613d704265e7ff00ade0fbdcd25acc5ae7a5997a782f6545badde5678eda0cbdc785d9296ee0d7b85dd07e4e3

  • C:\Users\Admin\AppData\Local\Temp\tmp84BA.tmp

    Filesize

    1KB

    MD5

    0b8cb8859692a5d5bc9e5cc9b7d2e13c

    SHA1

    794b5885ab54a7af3af01e02db1c042cc24d99c7

    SHA256

    8baa663223deebf0c556cad18f60686abc7678e600822a4b27dc68d6dc774dc6

    SHA512

    29d109387e645eb37cfe686f55a914702a58ba256f4e6f8e112d7eac43e2e89dfcf5b2f3f284371f2a74de663f6867b047824259bc31691e0ac3f48e4d785637

  • C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Recent\CustomDestinations\d93f411851d7c929.customDestinations-ms

    Filesize

    7KB

    MD5

    60cbb54084cc166835b4e5bca4f44861

    SHA1

    b1d4224dde5577acb4891ed0f9131f33418713ec

    SHA256

    e26a83636b443f75c045c59d0738eda746af5c24a083c0dd404b55ec9a17e065

    SHA512

    948464c31551fe6d3a2485deefdd5e43d58575447fbda7da5b2b5c53ccbf448a2083a88ee7d9912224341cc92e02dd8e8c949c7548b521c517645add4a0a9f25

  • memory/2116-24-0x0000000008320000-0x000000000853A000-memory.dmp

    Filesize

    2.1MB

  • memory/2116-20-0x0000000000D40000-0x0000000000F84000-memory.dmp

    Filesize

    2.3MB

  • memory/2160-38-0x0000000000400000-0x0000000000A20000-memory.dmp

    Filesize

    6.1MB

  • memory/2160-47-0x0000000000400000-0x0000000000A20000-memory.dmp

    Filesize

    6.1MB

  • memory/2160-57-0x0000000000400000-0x0000000000A20000-memory.dmp

    Filesize

    6.1MB

  • memory/2160-31-0x0000000000400000-0x0000000000A20000-memory.dmp

    Filesize

    6.1MB

  • memory/2160-41-0x0000000000400000-0x0000000000A20000-memory.dmp

    Filesize

    6.1MB

  • memory/2160-45-0x0000000000400000-0x0000000000A20000-memory.dmp

    Filesize

    6.1MB

  • memory/2160-49-0x000000007EFDE000-0x000000007EFDF000-memory.dmp

    Filesize

    4KB

  • memory/2160-52-0x0000000000400000-0x0000000000A20000-memory.dmp

    Filesize

    6.1MB

  • memory/2160-33-0x0000000000400000-0x0000000000A20000-memory.dmp

    Filesize

    6.1MB

  • memory/2160-64-0x0000000000400000-0x0000000000A20000-memory.dmp

    Filesize

    6.1MB

  • memory/2160-40-0x0000000000400000-0x0000000000A20000-memory.dmp

    Filesize

    6.1MB

  • memory/2160-44-0x0000000000400000-0x0000000000A20000-memory.dmp

    Filesize

    6.1MB

  • memory/2160-50-0x0000000000400000-0x0000000000A20000-memory.dmp

    Filesize

    6.1MB

  • memory/2160-63-0x0000000000400000-0x0000000000A20000-memory.dmp

    Filesize

    6.1MB

  • memory/2160-53-0x0000000000400000-0x0000000000A20000-memory.dmp

    Filesize

    6.1MB

  • memory/2160-55-0x0000000000400000-0x0000000000A20000-memory.dmp

    Filesize

    6.1MB

  • memory/2160-54-0x0000000000400000-0x0000000000A20000-memory.dmp

    Filesize

    6.1MB

  • memory/2160-58-0x0000000000400000-0x0000000000A20000-memory.dmp

    Filesize

    6.1MB

  • memory/2160-60-0x0000000000400000-0x0000000000A20000-memory.dmp

    Filesize

    6.1MB

  • memory/2160-61-0x0000000000400000-0x0000000000A20000-memory.dmp

    Filesize

    6.1MB

  • memory/2160-59-0x0000000000400000-0x0000000000A20000-memory.dmp

    Filesize

    6.1MB

  • memory/2160-62-0x0000000000400000-0x0000000000A20000-memory.dmp

    Filesize

    6.1MB

  • memory/2160-56-0x0000000000400000-0x0000000000A20000-memory.dmp

    Filesize

    6.1MB

  • memory/2984-23-0x00000000068D0000-0x0000000006AF2000-memory.dmp

    Filesize

    2.1MB

  • memory/2984-22-0x0000000000860000-0x0000000000872000-memory.dmp

    Filesize

    72KB

  • memory/2984-21-0x0000000000930000-0x0000000000B7C000-memory.dmp

    Filesize

    2.3MB

  • memory/3012-0-0x000007FEF66E3000-0x000007FEF66E4000-memory.dmp

    Filesize

    4KB

  • memory/3012-1-0x00000000002C0000-0x000000000074E000-memory.dmp

    Filesize

    4.6MB