Analysis

  • max time kernel
    143s
  • max time network
    132s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20240508-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20240508-enlocale:en-usos:windows10-2004-x64system
  • submitted
    18/05/2024, 11:41

General

  • Target

    Swiftcopy.exe.bin.exe

  • Size

    700KB

  • MD5

    a3f691b8cbca9531cb2e2711e0f2a166

  • SHA1

    3f8369e5be5fa86d52afb5dbe538bddc0060ab90

  • SHA256

    e8fe4366c2f5dec094103ca8abbf55bf6d2bfd50fa9e6441111678a0f0e8c432

  • SHA512

    d0394294e50b28950a96cf1b061d19f5621eb402d20bf16aee212697af210a0befb05d8c7b7ec93e38000cfecbd076829662fe1d5ead075776d9f69ea075e84c

  • SSDEEP

    12288:hdrLbDZaNRpTTqcoXw8w4r9a4klENmi/Z1VQ62FcjD/fyww6Ht7NalxIJetRy3f:7LDZMRpTX9hv4kNeV7vxN7NajMv3f

Malware Config

Extracted

Credentials

  • Protocol:
    smtp
  • Host:
    mail.bonnyriggdentalsurgery.com.au
  • Port:
    587
  • Username:
    [email protected]
  • Password:
    Sages101*

Extracted

Family

agenttesla

Credentials

Signatures

  • AgentTesla

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

  • 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 computer location settings 2 TTPs 1 IoCs

    Looks up country code configured in the registry, likely geofence.

  • 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 1 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 14 IoCs
  • Suspicious use of AdjustPrivilegeToken 4 IoCs
  • Suspicious use of WriteProcessMemory 17 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\Swiftcopy.exe.bin.exe
    "C:\Users\Admin\AppData\Local\Temp\Swiftcopy.exe.bin.exe"
    1⤵
    • Checks computer location settings
    • Suspicious use of SetThreadContext
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of WriteProcessMemory
    PID:4276
    • 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\Swiftcopy.exe.bin.exe"
      2⤵
      • Command and Scripting Interpreter: PowerShell
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      PID:1780
    • C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe
      "C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" Add-MpPreference -ExclusionPath "C:\Users\Admin\AppData\Roaming\BThrvPseKTe.exe"
      2⤵
      • Command and Scripting Interpreter: PowerShell
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      PID:1028
    • C:\Windows\SysWOW64\schtasks.exe
      "C:\Windows\System32\schtasks.exe" /Create /TN "Updates\BThrvPseKTe" /XML "C:\Users\Admin\AppData\Local\Temp\tmp31E8.tmp"
      2⤵
      • Creates scheduled task(s)
      PID:2060
    • C:\Users\Admin\AppData\Local\Temp\Swiftcopy.exe.bin.exe
      "C:\Users\Admin\AppData\Local\Temp\Swiftcopy.exe.bin.exe"
      2⤵
      • Adds Run key to start application
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      PID:1864
  • C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
    "C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=utility --utility-sub-type=asset_store.mojom.AssetStoreService --lang=en-US --service-sandbox-type=asset_store_service --no-appcompat-clear --field-trial-handle=3976,i,10373433614523925616,13586256558317053467,262144 --variations-seed-version --mojo-platform-channel-handle=4104 /prefetch:8
    1⤵
      PID:4956

    Network

          MITRE ATT&CK Enterprise v15

          Replay Monitor

          Loading Replay Monitor...

          Downloads

          • C:\Users\Admin\AppData\Local\Microsoft\CLR_v4.0_32\UsageLogs\powershell.exe.log

            Filesize

            2KB

            MD5

            968cb9309758126772781b83adb8a28f

            SHA1

            8da30e71accf186b2ba11da1797cf67f8f78b47c

            SHA256

            92099c10776bb7e3f2a8d1b82d4d40d0c4627e4f1bf754a6e58dfd2c2e97042a

            SHA512

            4bd50732f8af4d688d95999bddfd296115d7033ddc38f86c9fb1f47fde202bffa27e9088bebcaa3064ca946af2f5c1ca6cbde49d0907f0005c7ab42874515dd3

          • C:\Users\Admin\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-NonInteractive

            Filesize

            64B

            MD5

            da639120041ac481a454b6f96f3426bf

            SHA1

            2dc6f2931bff596440fe3007016a434cec30b353

            SHA256

            ce82ab3ee6cb962de1f547e26932e0e9f51f00133cff57e069a79bdb2330ea19

            SHA512

            7e535d9eb93f4bae2af719c112910384e31936bd81d72fbead526f57527dc43e04b474bc69e71a6583644ef9f75732f614e3cf1894d019a95432dccc4d4da4a9

          • C:\Users\Admin\AppData\Local\Temp\__PSScriptPolicyTest_mg15r2ob.m10.ps1

            Filesize

            60B

            MD5

            d17fe0a3f47be24a6453e9ef58c94641

            SHA1

            6ab83620379fc69f80c0242105ddffd7d98d5d9d

            SHA256

            96ad1146eb96877eab5942ae0736b82d8b5e2039a80d3d6932665c1a4c87dcf7

            SHA512

            5b592e58f26c264604f98f6aa12860758ce606d1c63220736cf0c779e4e18e3cec8706930a16c38b20161754d1017d1657d35258e58ca22b18f5b232880dec82

          • C:\Users\Admin\AppData\Local\Temp\tmp31E8.tmp

            Filesize

            1KB

            MD5

            8cbff8c958646bdadf3040d02f00c9c2

            SHA1

            f71fa4638d370e652bad6dbc26cb1775a2c45041

            SHA256

            80172e0317a96c3fd8ba6780c2a7c37e06219f9b91d6375620bb8c5c0b279a1f

            SHA512

            432c557901965c2e32b05c0c368abf1c14886cf3d3193ad42ce7c9b8dc636751107ca356b612e0bed33c4d5a08dd710490aea87fc9b45aa121dd965c9759e8e6

          • memory/1028-83-0x0000000007AF0000-0x0000000007B0A000-memory.dmp

            Filesize

            104KB

          • memory/1028-63-0x00000000076C0000-0x0000000007763000-memory.dmp

            Filesize

            652KB

          • memory/1028-82-0x00000000079F0000-0x0000000007A04000-memory.dmp

            Filesize

            80KB

          • memory/1028-81-0x00000000079E0000-0x00000000079EE000-memory.dmp

            Filesize

            56KB

          • memory/1028-69-0x00000000079B0000-0x00000000079C1000-memory.dmp

            Filesize

            68KB

          • memory/1028-68-0x0000000007A30000-0x0000000007AC6000-memory.dmp

            Filesize

            600KB

          • memory/1028-67-0x0000000007820000-0x000000000782A000-memory.dmp

            Filesize

            40KB

          • memory/1028-65-0x0000000007E00000-0x000000000847A000-memory.dmp

            Filesize

            6.5MB

          • memory/1028-66-0x00000000077B0000-0x00000000077CA000-memory.dmp

            Filesize

            104KB

          • memory/1028-84-0x0000000007AD0000-0x0000000007AD8000-memory.dmp

            Filesize

            32KB

          • memory/1028-51-0x0000000007480000-0x00000000074B2000-memory.dmp

            Filesize

            200KB

          • memory/1028-87-0x0000000074A10000-0x00000000751C0000-memory.dmp

            Filesize

            7.7MB

          • memory/1028-20-0x0000000074A10000-0x00000000751C0000-memory.dmp

            Filesize

            7.7MB

          • memory/1028-62-0x0000000007460000-0x000000000747E000-memory.dmp

            Filesize

            120KB

          • memory/1028-52-0x0000000071080000-0x00000000710CC000-memory.dmp

            Filesize

            304KB

          • memory/1028-24-0x0000000074A10000-0x00000000751C0000-memory.dmp

            Filesize

            7.7MB

          • memory/1028-50-0x00000000069E0000-0x0000000006A2C000-memory.dmp

            Filesize

            304KB

          • memory/1028-49-0x00000000064A0000-0x00000000064BE000-memory.dmp

            Filesize

            120KB

          • memory/1028-29-0x0000000074A10000-0x00000000751C0000-memory.dmp

            Filesize

            7.7MB

          • memory/1780-16-0x0000000074A10000-0x00000000751C0000-memory.dmp

            Filesize

            7.7MB

          • memory/1780-70-0x0000000071080000-0x00000000710CC000-memory.dmp

            Filesize

            304KB

          • memory/1780-22-0x0000000005740000-0x00000000057A6000-memory.dmp

            Filesize

            408KB

          • memory/1780-21-0x00000000056A0000-0x00000000056C2000-memory.dmp

            Filesize

            136KB

          • memory/1780-26-0x00000000060E0000-0x0000000006434000-memory.dmp

            Filesize

            3.3MB

          • memory/1780-27-0x0000000074A10000-0x00000000751C0000-memory.dmp

            Filesize

            7.7MB

          • memory/1780-23-0x00000000057B0000-0x0000000005816000-memory.dmp

            Filesize

            408KB

          • memory/1780-18-0x0000000074A10000-0x00000000751C0000-memory.dmp

            Filesize

            7.7MB

          • memory/1780-17-0x0000000005930000-0x0000000005F58000-memory.dmp

            Filesize

            6.2MB

          • memory/1780-91-0x0000000074A10000-0x00000000751C0000-memory.dmp

            Filesize

            7.7MB

          • memory/1780-15-0x0000000002EB0000-0x0000000002EE6000-memory.dmp

            Filesize

            216KB

          • memory/1864-25-0x0000000000400000-0x0000000000442000-memory.dmp

            Filesize

            264KB

          • memory/1864-80-0x0000000006ED0000-0x0000000006F20000-memory.dmp

            Filesize

            320KB

          • memory/4276-9-0x0000000003210000-0x0000000003220000-memory.dmp

            Filesize

            64KB

          • memory/4276-8-0x0000000005A50000-0x0000000005A5C000-memory.dmp

            Filesize

            48KB

          • memory/4276-35-0x0000000074A10000-0x00000000751C0000-memory.dmp

            Filesize

            7.7MB

          • memory/4276-10-0x0000000006590000-0x0000000006614000-memory.dmp

            Filesize

            528KB

          • memory/4276-7-0x0000000005A30000-0x0000000005A52000-memory.dmp

            Filesize

            136KB

          • memory/4276-6-0x0000000074A10000-0x00000000751C0000-memory.dmp

            Filesize

            7.7MB

          • memory/4276-5-0x0000000005C00000-0x0000000005C9C000-memory.dmp

            Filesize

            624KB

          • memory/4276-4-0x00000000059F0000-0x00000000059FA000-memory.dmp

            Filesize

            40KB

          • memory/4276-3-0x0000000005920000-0x00000000059B2000-memory.dmp

            Filesize

            584KB

          • memory/4276-2-0x0000000005DE0000-0x0000000006384000-memory.dmp

            Filesize

            5.6MB

          • memory/4276-1-0x0000000000EC0000-0x0000000000F74000-memory.dmp

            Filesize

            720KB

          • memory/4276-0-0x0000000074A1E000-0x0000000074A1F000-memory.dmp

            Filesize

            4KB