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Analysis

  • max time kernel
    121s
  • max time network
    64s
  • platform
    windows7_x64
  • resource
    win7-20231025-en
  • resource tags

    arch:x64arch:x86image:win7-20231025-enlocale:en-usos:windows7-x64system
  • submitted
    01/11/2023, 11:52

General

  • Target

    6a5ff8d244ae4a460ce972906a3fffd8.exe

  • Size

    251KB

  • MD5

    6a5ff8d244ae4a460ce972906a3fffd8

  • SHA1

    6009dd270803e231d787e3dc1f3eb55a698f7fed

  • SHA256

    d03a9517cf81eca522f483a8229379002aab4f1067ccf491f7d6cfac62e223f7

  • SHA512

    b64291f3bacea9ef8657fd1e53179ca25cadc8c8b0b6774e9ca6fd4f2a83b554eaacfd4fe4bbe1c4d6c64f9302e1c7a3d684f318bc924b435ef304c543955439

  • SSDEEP

    6144:lUZ7XXb7v6fsQrGsUO+ZxdQYXBmfwrhGGGGGGGGHGGGGGGGGGGGGGGGGGGGGGGGG:lyGsQX+Zxjty

Malware Config

Extracted

Credentials

  • Protocol:
    smtp
  • Host:
    webmail.trevor22photography.com
  • Port:
    587
  • Username:
    [email protected]
  • Password:
    Arsenal22@

Extracted

Family

agenttesla

Credentials

Signatures

  • AgentTesla

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

  • Executes dropped EXE 2 IoCs
  • Loads dropped DLL 1 IoCs
  • 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.

  • Accesses Microsoft Outlook profiles 1 TTPs 6 IoCs
  • Looks up external IP address via web service 3 IoCs

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

  • Suspicious use of SetThreadContext 2 IoCs
  • Creates scheduled task(s) 1 TTPs 2 IoCs

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

  • Suspicious behavior: EnumeratesProcesses 4 IoCs
  • Suspicious behavior: SetClipboardViewer 1 IoCs
  • Suspicious use of AdjustPrivilegeToken 2 IoCs
  • Suspicious use of SetWindowsHookEx 2 IoCs
  • Suspicious use of WriteProcessMemory 63 IoCs
  • outlook_office_path 1 IoCs
  • outlook_win_path 1 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\6a5ff8d244ae4a460ce972906a3fffd8.exe
    "C:\Users\Admin\AppData\Local\Temp\6a5ff8d244ae4a460ce972906a3fffd8.exe"
    1⤵
    • Suspicious use of SetThreadContext
    • Suspicious use of WriteProcessMemory
    PID:2144
    • C:\Users\Admin\AppData\Local\Temp\6a5ff8d244ae4a460ce972906a3fffd8.exe
      "C:\Users\Admin\AppData\Local\Temp\6a5ff8d244ae4a460ce972906a3fffd8.exe"
      2⤵
      • Accesses Microsoft Outlook profiles
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      • Suspicious use of SetWindowsHookEx
      PID:1852
    • C:\Windows\SysWOW64\cmd.exe
      "cmd.exe" /C mkdir "C:\Users\Admin\AppData\Roaming\svchost"
      2⤵
        PID:1748
      • C:\Windows\SysWOW64\cmd.exe
        "cmd.exe" /C schtasks /create /sc minute /mo 1 /tn "Nafifas" /tr "'C:\Users\Admin\AppData\Roaming\svchost\svchost.exe'" /f
        2⤵
        • Suspicious use of WriteProcessMemory
        PID:2676
        • C:\Windows\SysWOW64\schtasks.exe
          schtasks /create /sc minute /mo 1 /tn "Nafifas" /tr "'C:\Users\Admin\AppData\Roaming\svchost\svchost.exe'" /f
          3⤵
          • Creates scheduled task(s)
          PID:2616
      • C:\Windows\SysWOW64\cmd.exe
        "cmd.exe" /C copy "C:\Users\Admin\AppData\Local\Temp\6a5ff8d244ae4a460ce972906a3fffd8.exe" "C:\Users\Admin\AppData\Roaming\svchost\svchost.exe"
        2⤵
          PID:2088
      • C:\Windows\system32\taskeng.exe
        taskeng.exe {D9BACC70-0E5F-445B-BCD9-E354020ABD98} S-1-5-21-1861898231-3446828954-4278112889-1000:PTZSFKIF\Admin:Interactive:[1]
        1⤵
        • Suspicious use of WriteProcessMemory
        PID:2840
        • C:\Users\Admin\AppData\Roaming\svchost\svchost.exe
          C:\Users\Admin\AppData\Roaming\svchost\svchost.exe
          2⤵
          • Executes dropped EXE
          • Loads dropped DLL
          • Suspicious use of SetThreadContext
          • Suspicious use of WriteProcessMemory
          PID:2896
          • C:\Users\Admin\AppData\Roaming\svchost\svchost.exe
            "C:\Users\Admin\AppData\Roaming\svchost\svchost.exe"
            3⤵
            • Executes dropped EXE
            • Accesses Microsoft Outlook profiles
            • Suspicious behavior: EnumeratesProcesses
            • Suspicious behavior: SetClipboardViewer
            • Suspicious use of AdjustPrivilegeToken
            • Suspicious use of SetWindowsHookEx
            • outlook_office_path
            • outlook_win_path
            PID:2704
          • C:\Windows\SysWOW64\cmd.exe
            "cmd.exe" /C mkdir "C:\Users\Admin\AppData\Roaming\svchost"
            3⤵
              PID:1972
            • C:\Windows\SysWOW64\cmd.exe
              "cmd.exe" /C schtasks /create /sc minute /mo 1 /tn "Nafifas" /tr "'C:\Users\Admin\AppData\Roaming\svchost\svchost.exe'" /f
              3⤵
              • Suspicious use of WriteProcessMemory
              PID:1592
              • C:\Windows\SysWOW64\schtasks.exe
                schtasks /create /sc minute /mo 1 /tn "Nafifas" /tr "'C:\Users\Admin\AppData\Roaming\svchost\svchost.exe'" /f
                4⤵
                • Creates scheduled task(s)
                PID:1184
            • C:\Windows\SysWOW64\cmd.exe
              "cmd.exe" /C copy "C:\Users\Admin\AppData\Roaming\svchost\svchost.exe" "C:\Users\Admin\AppData\Roaming\svchost\svchost.exe"
              3⤵
                PID:2796
          • C:\Windows\system32\svchost.exe
            C:\Windows\system32\svchost.exe -k netsvcs
            1⤵
              PID:1548
            • C:\Windows\system32\svchost.exe
              C:\Windows\system32\svchost.exe -k netsvcs
              1⤵
                PID:1620
              • C:\Windows\system32\svchost.exe
                C:\Windows\system32\svchost.exe -k netsvcs
                1⤵
                  PID:908

                Network

                MITRE ATT&CK Enterprise v15

                Replay Monitor

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                Downloads

                • C:\Users\Admin\AppData\Roaming\svchost\svchost.exe

                  Filesize

                  251KB

                  MD5

                  6a5ff8d244ae4a460ce972906a3fffd8

                  SHA1

                  6009dd270803e231d787e3dc1f3eb55a698f7fed

                  SHA256

                  d03a9517cf81eca522f483a8229379002aab4f1067ccf491f7d6cfac62e223f7

                  SHA512

                  b64291f3bacea9ef8657fd1e53179ca25cadc8c8b0b6774e9ca6fd4f2a83b554eaacfd4fe4bbe1c4d6c64f9302e1c7a3d684f318bc924b435ef304c543955439

                • C:\Users\Admin\AppData\Roaming\svchost\svchost.exe

                  Filesize

                  251KB

                  MD5

                  6a5ff8d244ae4a460ce972906a3fffd8

                  SHA1

                  6009dd270803e231d787e3dc1f3eb55a698f7fed

                  SHA256

                  d03a9517cf81eca522f483a8229379002aab4f1067ccf491f7d6cfac62e223f7

                  SHA512

                  b64291f3bacea9ef8657fd1e53179ca25cadc8c8b0b6774e9ca6fd4f2a83b554eaacfd4fe4bbe1c4d6c64f9302e1c7a3d684f318bc924b435ef304c543955439

                • C:\Users\Admin\AppData\Roaming\svchost\svchost.exe

                  Filesize

                  251KB

                  MD5

                  6a5ff8d244ae4a460ce972906a3fffd8

                  SHA1

                  6009dd270803e231d787e3dc1f3eb55a698f7fed

                  SHA256

                  d03a9517cf81eca522f483a8229379002aab4f1067ccf491f7d6cfac62e223f7

                  SHA512

                  b64291f3bacea9ef8657fd1e53179ca25cadc8c8b0b6774e9ca6fd4f2a83b554eaacfd4fe4bbe1c4d6c64f9302e1c7a3d684f318bc924b435ef304c543955439

                • \Users\Admin\AppData\Roaming\svchost\svchost.exe

                  Filesize

                  251KB

                  MD5

                  6a5ff8d244ae4a460ce972906a3fffd8

                  SHA1

                  6009dd270803e231d787e3dc1f3eb55a698f7fed

                  SHA256

                  d03a9517cf81eca522f483a8229379002aab4f1067ccf491f7d6cfac62e223f7

                  SHA512

                  b64291f3bacea9ef8657fd1e53179ca25cadc8c8b0b6774e9ca6fd4f2a83b554eaacfd4fe4bbe1c4d6c64f9302e1c7a3d684f318bc924b435ef304c543955439

                • memory/1852-7-0x0000000000400000-0x0000000000430000-memory.dmp

                  Filesize

                  192KB

                • memory/1852-26-0x0000000004E90000-0x0000000004ED0000-memory.dmp

                  Filesize

                  256KB

                • memory/1852-6-0x0000000000400000-0x0000000000430000-memory.dmp

                  Filesize

                  192KB

                • memory/1852-5-0x0000000000400000-0x0000000000430000-memory.dmp

                  Filesize

                  192KB

                • memory/1852-8-0x000000007EFDE000-0x000000007EFDF000-memory.dmp

                  Filesize

                  4KB

                • memory/1852-12-0x0000000000400000-0x0000000000430000-memory.dmp

                  Filesize

                  192KB

                • memory/1852-10-0x0000000000400000-0x0000000000430000-memory.dmp

                  Filesize

                  192KB

                • memory/1852-14-0x0000000000400000-0x0000000000430000-memory.dmp

                  Filesize

                  192KB

                • memory/1852-15-0x0000000074340000-0x0000000074A2E000-memory.dmp

                  Filesize

                  6.9MB

                • memory/1852-4-0x0000000000400000-0x0000000000430000-memory.dmp

                  Filesize

                  192KB

                • memory/1852-25-0x0000000074340000-0x0000000074A2E000-memory.dmp

                  Filesize

                  6.9MB

                • memory/2144-3-0x0000000000490000-0x00000000004BE000-memory.dmp

                  Filesize

                  184KB

                • memory/2144-2-0x0000000000E10000-0x0000000000E50000-memory.dmp

                  Filesize

                  256KB

                • memory/2144-0-0x00000000010E0000-0x0000000001124000-memory.dmp

                  Filesize

                  272KB

                • memory/2144-18-0x0000000074340000-0x0000000074A2E000-memory.dmp

                  Filesize

                  6.9MB

                • memory/2144-1-0x0000000074340000-0x0000000074A2E000-memory.dmp

                  Filesize

                  6.9MB

                • memory/2704-46-0x0000000000090000-0x00000000000C0000-memory.dmp

                  Filesize

                  192KB

                • memory/2704-37-0x000000007EFDE000-0x000000007EFDF000-memory.dmp

                  Filesize

                  4KB

                • memory/2704-42-0x0000000000090000-0x00000000000C0000-memory.dmp

                  Filesize

                  192KB

                • memory/2704-49-0x0000000000090000-0x00000000000C0000-memory.dmp

                  Filesize

                  192KB

                • memory/2704-50-0x0000000074340000-0x0000000074A2E000-memory.dmp

                  Filesize

                  6.9MB

                • memory/2704-58-0x0000000074340000-0x0000000074A2E000-memory.dmp

                  Filesize

                  6.9MB

                • memory/2896-31-0x0000000004950000-0x0000000004990000-memory.dmp

                  Filesize

                  256KB

                • memory/2896-30-0x0000000074340000-0x0000000074A2E000-memory.dmp

                  Filesize

                  6.9MB

                • memory/2896-29-0x0000000000A60000-0x0000000000AA4000-memory.dmp

                  Filesize

                  272KB

                • memory/2896-51-0x0000000074340000-0x0000000074A2E000-memory.dmp

                  Filesize

                  6.9MB