Analysis

  • max time kernel
    105s
  • max time network
    142s
  • platform
    windows7_x64
  • resource
    win7-20230220-en
  • resource tags

    arch:x64arch:x86image:win7-20230220-enlocale:en-usos:windows7-x64system
  • submitted
    05/05/2023, 20:42

General

  • Target

    gfdgggrg.exe

  • Size

    217KB

  • MD5

    193a5b590777d8e38597eb4a7305c17a

  • SHA1

    15c15456d11a9ff62a62b061d37e23b0e45c0d97

  • SHA256

    eeb96ad40ee57517aae12c2ac351b8954abee23d346be45cd7c238e4a07f5abd

  • SHA512

    4033a0afc365ed95a0b105c24d50365d8135a4906564097e2ba1fde3e73cf03bda0da136d117d0b070308c920f4421a9f58961768d470eee148eecd234f2903a

  • SSDEEP

    3072:Ul7qSiZ1LxR9KpMxpBgYguMuv8j9v5k1Ndr+i7e79315zXjSlluRWjKyjFHp3W:a7ql1keBgTjxUdrr7e79PTRQfjz

Malware Config

Extracted

Family

agenttesla

Credentials

Signatures

  • AgentTesla

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

  • Downloads MZ/PE file
  • Executes dropped EXE 2 IoCs
  • Loads dropped DLL 2 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 3 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 2 IoCs
  • Enumerates physical storage devices 1 TTPs

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

  • Creates scheduled task(s) 1 TTPs 2 IoCs

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

  • Modifies system certificate store 2 TTPs 6 IoCs
  • Suspicious behavior: SetClipboardViewer 1 IoCs
  • Suspicious use of AdjustPrivilegeToken 1 IoCs
  • Suspicious use of SetWindowsHookEx 1 IoCs
  • Suspicious use of WriteProcessMemory 54 IoCs
  • outlook_office_path 1 IoCs
  • outlook_win_path 1 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\gfdgggrg.exe
    "C:\Users\Admin\AppData\Local\Temp\gfdgggrg.exe"
    1⤵
    • Suspicious use of SetThreadContext
    • Suspicious use of WriteProcessMemory
    PID:1760
    • C:\Users\Admin\AppData\Local\Temp\gfdgggrg.exe
      "C:\Users\Admin\AppData\Local\Temp\gfdgggrg.exe"
      2⤵
      • Loads dropped DLL
      • Accesses Microsoft Outlook profiles
      • Modifies system certificate store
      • Suspicious use of AdjustPrivilegeToken
      • Suspicious use of SetWindowsHookEx
      • Suspicious use of WriteProcessMemory
      • outlook_office_path
      • outlook_win_path
      PID:1468
      • C:\Users\Admin\AppData\Local\Temp\svchost.exe
        "C:\Users\Admin\AppData\Local\Temp\svchost.exe"
        3⤵
        • Executes dropped EXE
        • Loads dropped DLL
        • Suspicious use of SetThreadContext
        • Suspicious use of WriteProcessMemory
        PID:1956
        • C:\Users\Admin\AppData\Local\Temp\svchost.exe
          "C:\Users\Admin\AppData\Local\Temp\svchost.exe"
          4⤵
          • Executes dropped EXE
          • Suspicious behavior: SetClipboardViewer
          PID:1500
        • C:\Windows\SysWOW64\cmd.exe
          "cmd" /c mkdir "C:\Users\Admin\AppData\Roaming\svchost"
          4⤵
            PID:396
          • C:\Windows\SysWOW64\cmd.exe
            "cmd" /c copy "C:\Users\Admin\AppData\Local\Temp\svchost.exe" "C:\Users\Admin\AppData\Roaming\svchost\svchost.exe"
            4⤵
              PID:332
            • C:\Windows\SysWOW64\cmd.exe
              "cmd" /c schtasks /create /sc minute /mo 1 /tn "Nafifas" /tr "'C:\Users\Admin\AppData\Roaming\svchost\svchost.exe'" /f
              4⤵
              • Suspicious use of WriteProcessMemory
              PID:2008
              • C:\Windows\SysWOW64\schtasks.exe
                schtasks /create /sc minute /mo 1 /tn "Nafifas" /tr "'C:\Users\Admin\AppData\Roaming\svchost\svchost.exe'" /f
                5⤵
                • Creates scheduled task(s)
                PID:1996
        • C:\Windows\SysWOW64\cmd.exe
          "cmd" /c mkdir "C:\Users\Admin\AppData\Roaming\svchost"
          2⤵
            PID:320
          • C:\Windows\SysWOW64\cmd.exe
            "cmd" /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:1928
            • 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:1724
          • C:\Windows\SysWOW64\cmd.exe
            "cmd" /c copy "C:\Users\Admin\AppData\Local\Temp\gfdgggrg.exe" "C:\Users\Admin\AppData\Roaming\svchost\svchost.exe"
            2⤵
              PID:564
          • C:\Windows\system32\taskeng.exe
            taskeng.exe {C49EDC43-6A68-460B-9405-3909274A7E4F} S-1-5-21-3948302646-268491222-1934009652-1000:KXZDHPUW\Admin:Interactive:[1]
            1⤵
              PID:576

            Network

            MITRE ATT&CK Enterprise v6

            Replay Monitor

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            Downloads

            • C:\Users\Admin\AppData\LocalLow\Microsoft\CryptnetUrlCache\Content\94308059B57B3142E455B38A6EB92015

              Filesize

              62KB

              MD5

              3ac860860707baaf32469fa7cc7c0192

              SHA1

              c33c2acdaba0e6fa41fd2f00f186804722477639

              SHA256

              d015145d551ecd14916270efad773bbc9fd57fad2228d2c24559f696c961d904

              SHA512

              d62ad2408c969a95550fb87efda50f988770ba5e39972041bf85924275baf156b8bec309ecc6409e5acdd37ec175dea40eff921ab58933b5b5b5d35a6147567c

            • C:\Users\Admin\AppData\LocalLow\Microsoft\CryptnetUrlCache\MetaData\94308059B57B3142E455B38A6EB92015

              Filesize

              304B

              MD5

              9b7fa44118049cc4b30a3a97239c9f0a

              SHA1

              0251213a1cad7a0dc37dd6380beb86d8f6db0937

              SHA256

              80fb7ddc1508d55272ccd07f49e1705332e856d33cb3371f1b43419a77c1a9f5

              SHA512

              b0527ca2f25b18b97bf619d41a70fba4d40ff264c608b1a1b4f6686eb2b658b5dd62e0649e22da0f759da90e2a77929df7f002efba98040b8bf5e6d60cb1da4f

            • C:\Users\Admin\AppData\Local\Temp\Cab2639.tmp

              Filesize

              61KB

              MD5

              fc4666cbca561e864e7fdf883a9e6661

              SHA1

              2f8d6094c7a34bf12ea0bbf0d51ee9c5bb7939a5

              SHA256

              10f3deb6c452d749a7451b5d065f4c0449737e5ee8a44f4d15844b503141e65b

              SHA512

              c71f54b571e01f247f072be4bbebdf5d8410b67eb79a61e7e0d9853fe857ab9bd12f53e6af3394b935560178107291fc4be351b27deb388eba90ba949633d57d

            • C:\Users\Admin\AppData\Local\Temp\Tar2881.tmp

              Filesize

              164KB

              MD5

              4ff65ad929cd9a367680e0e5b1c08166

              SHA1

              c0af0d4396bd1f15c45f39d3b849ba444233b3a2

              SHA256

              c8733c93cc5aaf5ca206d06af22ee8dbdec764fb5085019a6a9181feb9dfdee6

              SHA512

              f530dc0d024a5a3b8903ffaaa41b608a5ccdd6da4ba1949f2c2e55a9fca475fec5c8d2119b5763cabe7ef1c3788fb9dcac621869db51d65b1d83cfe404fb4c27

            • C:\Users\Admin\AppData\Local\Temp\svchost.exe

              Filesize

              256KB

              MD5

              a9872c90bfbf7c5002e1b208c3420d15

              SHA1

              245afca2f470ad9f6708181dc06895b668e62dee

              SHA256

              d5b3cff7109056f5f8c9b8944556caf49ae5071a6f93a6fb7a6c4916fca2a52f

              SHA512

              e1e3a73877a424ea161c4dea83d1d6ec9fdbb92ab06527b6e83d9cfd73cd3bb5cf30ef7387402dcaf14efdb55d29306406252dc2ddcdd38380deabe9b7afaa0b

            • C:\Users\Admin\AppData\Local\Temp\svchost.exe

              Filesize

              256KB

              MD5

              a9872c90bfbf7c5002e1b208c3420d15

              SHA1

              245afca2f470ad9f6708181dc06895b668e62dee

              SHA256

              d5b3cff7109056f5f8c9b8944556caf49ae5071a6f93a6fb7a6c4916fca2a52f

              SHA512

              e1e3a73877a424ea161c4dea83d1d6ec9fdbb92ab06527b6e83d9cfd73cd3bb5cf30ef7387402dcaf14efdb55d29306406252dc2ddcdd38380deabe9b7afaa0b

            • C:\Users\Admin\AppData\Local\Temp\svchost.exe

              Filesize

              256KB

              MD5

              a9872c90bfbf7c5002e1b208c3420d15

              SHA1

              245afca2f470ad9f6708181dc06895b668e62dee

              SHA256

              d5b3cff7109056f5f8c9b8944556caf49ae5071a6f93a6fb7a6c4916fca2a52f

              SHA512

              e1e3a73877a424ea161c4dea83d1d6ec9fdbb92ab06527b6e83d9cfd73cd3bb5cf30ef7387402dcaf14efdb55d29306406252dc2ddcdd38380deabe9b7afaa0b

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

              Filesize

              256KB

              MD5

              a9872c90bfbf7c5002e1b208c3420d15

              SHA1

              245afca2f470ad9f6708181dc06895b668e62dee

              SHA256

              d5b3cff7109056f5f8c9b8944556caf49ae5071a6f93a6fb7a6c4916fca2a52f

              SHA512

              e1e3a73877a424ea161c4dea83d1d6ec9fdbb92ab06527b6e83d9cfd73cd3bb5cf30ef7387402dcaf14efdb55d29306406252dc2ddcdd38380deabe9b7afaa0b

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

              Filesize

              256KB

              MD5

              a9872c90bfbf7c5002e1b208c3420d15

              SHA1

              245afca2f470ad9f6708181dc06895b668e62dee

              SHA256

              d5b3cff7109056f5f8c9b8944556caf49ae5071a6f93a6fb7a6c4916fca2a52f

              SHA512

              e1e3a73877a424ea161c4dea83d1d6ec9fdbb92ab06527b6e83d9cfd73cd3bb5cf30ef7387402dcaf14efdb55d29306406252dc2ddcdd38380deabe9b7afaa0b

            • \Users\Admin\AppData\Local\Temp\svchost.exe

              Filesize

              256KB

              MD5

              a9872c90bfbf7c5002e1b208c3420d15

              SHA1

              245afca2f470ad9f6708181dc06895b668e62dee

              SHA256

              d5b3cff7109056f5f8c9b8944556caf49ae5071a6f93a6fb7a6c4916fca2a52f

              SHA512

              e1e3a73877a424ea161c4dea83d1d6ec9fdbb92ab06527b6e83d9cfd73cd3bb5cf30ef7387402dcaf14efdb55d29306406252dc2ddcdd38380deabe9b7afaa0b

            • \Users\Admin\AppData\Local\Temp\svchost.exe

              Filesize

              256KB

              MD5

              a9872c90bfbf7c5002e1b208c3420d15

              SHA1

              245afca2f470ad9f6708181dc06895b668e62dee

              SHA256

              d5b3cff7109056f5f8c9b8944556caf49ae5071a6f93a6fb7a6c4916fca2a52f

              SHA512

              e1e3a73877a424ea161c4dea83d1d6ec9fdbb92ab06527b6e83d9cfd73cd3bb5cf30ef7387402dcaf14efdb55d29306406252dc2ddcdd38380deabe9b7afaa0b

            • memory/1468-64-0x0000000000400000-0x0000000000430000-memory.dmp

              Filesize

              192KB

            • memory/1468-58-0x0000000000400000-0x0000000000430000-memory.dmp

              Filesize

              192KB

            • memory/1468-69-0x0000000004ED0000-0x0000000004F10000-memory.dmp

              Filesize

              256KB

            • memory/1468-66-0x0000000000400000-0x0000000000430000-memory.dmp

              Filesize

              192KB

            • memory/1468-56-0x0000000000400000-0x0000000000430000-memory.dmp

              Filesize

              192KB

            • memory/1468-62-0x0000000000400000-0x0000000000430000-memory.dmp

              Filesize

              192KB

            • memory/1468-61-0x000000007EFDE000-0x000000007EFDF000-memory.dmp

              Filesize

              4KB

            • memory/1468-59-0x0000000000400000-0x0000000000430000-memory.dmp

              Filesize

              192KB

            • memory/1468-57-0x0000000000400000-0x0000000000430000-memory.dmp

              Filesize

              192KB

            • memory/1468-70-0x0000000004ED0000-0x0000000004F10000-memory.dmp

              Filesize

              256KB

            • memory/1500-154-0x0000000000400000-0x0000000000418000-memory.dmp

              Filesize

              96KB

            • memory/1500-157-0x000000007EFDE000-0x000000007EFDF000-memory.dmp

              Filesize

              4KB

            • memory/1500-168-0x0000000004C10000-0x0000000004C50000-memory.dmp

              Filesize

              256KB

            • memory/1500-167-0x0000000004C10000-0x0000000004C50000-memory.dmp

              Filesize

              256KB

            • memory/1500-155-0x0000000000400000-0x0000000000418000-memory.dmp

              Filesize

              96KB

            • memory/1500-163-0x0000000000400000-0x0000000000418000-memory.dmp

              Filesize

              96KB

            • memory/1500-158-0x0000000000400000-0x0000000000418000-memory.dmp

              Filesize

              96KB

            • memory/1500-153-0x0000000000400000-0x0000000000418000-memory.dmp

              Filesize

              96KB

            • memory/1500-156-0x0000000000400000-0x0000000000418000-memory.dmp

              Filesize

              96KB

            • memory/1500-161-0x0000000000400000-0x0000000000418000-memory.dmp

              Filesize

              96KB

            • memory/1760-60-0x0000000000D20000-0x0000000000D60000-memory.dmp

              Filesize

              256KB

            • memory/1760-54-0x0000000000E30000-0x0000000000E6C000-memory.dmp

              Filesize

              240KB

            • memory/1760-55-0x0000000000350000-0x0000000000380000-memory.dmp

              Filesize

              192KB

            • memory/1956-150-0x00000000011D0000-0x0000000001216000-memory.dmp

              Filesize

              280KB

            • memory/1956-151-0x0000000000200000-0x0000000000218000-memory.dmp

              Filesize

              96KB