Analysis

  • max time kernel
    148s
  • max time network
    147s
  • platform
    windows10-1703_x64
  • resource
    win10-20230831-en
  • resource tags

    arch:x64arch:x86image:win10-20230831-enlocale:en-usos:windows10-1703-x64system
  • submitted
    26-09-2023 14:02

General

  • Target

    a5511e15b015d02f9475da2875c37dcdacdda81793f2324fe5d61d487187aa8c.exe

  • Size

    1.3MB

  • MD5

    4a0d61fe2000566f8b688d18681c0b5a

  • SHA1

    c473e7bafd6351cb8f1870eadb73316cd5cb5e91

  • SHA256

    a5511e15b015d02f9475da2875c37dcdacdda81793f2324fe5d61d487187aa8c

  • SHA512

    a9c84b0af7497ad780302583e2b6dc1c438451e18259fd25be4d3267b4a8125a6c31860017aba83879f8a703aaefbfd331ae63016468976f86572c2be7f248be

  • SSDEEP

    24576:s3yIf2H3CSfGxoBYocM4D8Ss5kHb291wOQO+XvnzHhMTfU8+LxD3Fwp:sF2HtfGyBxAm5S6m7mT+1F

Malware Config

Extracted

Credentials

  • Protocol:
    smtp
  • Host:
    mail.royalcheckout.store
  • Port:
    587
  • Username:
    [email protected]
  • Password:
    esubwDViXlQ2@@##

Signatures

  • AgentTesla

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

  • Snake Keylogger

    Keylogger and Infostealer first seen in November 2020.

  • Snake Keylogger payload 1 IoCs
  • Executes dropped EXE 6 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 2 IoCs

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

  • Suspicious use of SetThreadContext 3 IoCs
  • Enumerates physical storage devices 1 TTPs

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

  • Creates scheduled task(s) 1 TTPs 3 IoCs

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

  • Suspicious behavior: EnumeratesProcesses 2 IoCs
  • Suspicious behavior: SetClipboardViewer 2 IoCs
  • Suspicious use of AdjustPrivilegeToken 1 IoCs
  • Suspicious use of SetWindowsHookEx 1 IoCs
  • Suspicious use of WriteProcessMemory 64 IoCs
  • outlook_office_path 1 IoCs
  • outlook_win_path 1 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\a5511e15b015d02f9475da2875c37dcdacdda81793f2324fe5d61d487187aa8c.exe
    "C:\Users\Admin\AppData\Local\Temp\a5511e15b015d02f9475da2875c37dcdacdda81793f2324fe5d61d487187aa8c.exe"
    1⤵
    • Suspicious use of SetThreadContext
    • Suspicious use of WriteProcessMemory
    PID:3496
    • C:\Users\Admin\AppData\Local\Temp\a5511e15b015d02f9475da2875c37dcdacdda81793f2324fe5d61d487187aa8c.exe
      "C:\Users\Admin\AppData\Local\Temp\a5511e15b015d02f9475da2875c37dcdacdda81793f2324fe5d61d487187aa8c.exe"
      2⤵
      • Suspicious use of WriteProcessMemory
      PID:3184
      • C:\Users\Admin\AppData\Roaming\kingshakes.exe
        "C:\Users\Admin\AppData\Roaming\kingshakes.exe"
        3⤵
        • Executes dropped EXE
        • Accesses Microsoft Outlook profiles
        • Suspicious behavior: EnumeratesProcesses
        • Suspicious use of AdjustPrivilegeToken
        • Suspicious use of SetWindowsHookEx
        • outlook_office_path
        • outlook_win_path
        PID:3480
    • C:\Users\Admin\AppData\Local\Temp\svchost.exe
      "C:\Users\Admin\AppData\Local\Temp\svchost.exe"
      2⤵
      • Executes dropped EXE
      • Suspicious use of SetThreadContext
      • Suspicious use of WriteProcessMemory
      PID:3376
      • C:\Users\Admin\AppData\Local\Temp\svchost.exe
        "C:\Users\Admin\AppData\Local\Temp\svchost.exe"
        3⤵
        • Executes dropped EXE
        • Suspicious behavior: SetClipboardViewer
        PID:4724
      • C:\Windows\SysWOW64\cmd.exe
        "cmd" /c copy "C:\Users\Admin\AppData\Local\Temp\svchost.exe" "C:\Users\Admin\AppData\Roaming\avast\avast.exe"
        3⤵
          PID:2976
        • C:\Windows\SysWOW64\cmd.exe
          "cmd" /c schtasks /create /sc minute /mo 1 /tn "Nafifas" /tr "'C:\Users\Admin\AppData\Roaming\avast\avast.exe'" /f
          3⤵
          • Suspicious use of WriteProcessMemory
          PID:3576
          • C:\Windows\SysWOW64\schtasks.exe
            schtasks /create /sc minute /mo 1 /tn "Nafifas" /tr "'C:\Users\Admin\AppData\Roaming\avast\avast.exe'" /f
            4⤵
            • Creates scheduled task(s)
            PID:4300
        • C:\Windows\SysWOW64\cmd.exe
          "cmd" /c mkdir "C:\Users\Admin\AppData\Roaming\avast"
          3⤵
            PID:3064
        • C:\Windows\SysWOW64\cmd.exe
          "cmd" /c mkdir "C:\Users\Admin\AppData\Roaming\svchost"
          2⤵
            PID:2932
          • C:\Windows\SysWOW64\cmd.exe
            "cmd" /c copy "C:\Users\Admin\AppData\Local\Temp\a5511e15b015d02f9475da2875c37dcdacdda81793f2324fe5d61d487187aa8c.exe" "C:\Users\Admin\AppData\Roaming\svchost\svchost.exe"
            2⤵
              PID:1732
            • 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:2504
              • 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:2852
          • C:\Users\Admin\AppData\Roaming\avast\avast.exe
            C:\Users\Admin\AppData\Roaming\avast\avast.exe
            1⤵
            • Executes dropped EXE
            • Suspicious use of SetThreadContext
            • Suspicious use of WriteProcessMemory
            PID:4404
            • C:\Users\Admin\AppData\Roaming\avast\avast.exe
              "C:\Users\Admin\AppData\Roaming\avast\avast.exe"
              2⤵
              • Executes dropped EXE
              • Suspicious behavior: SetClipboardViewer
              PID:1808
            • C:\Windows\SysWOW64\cmd.exe
              "cmd" /c mkdir "C:\Users\Admin\AppData\Roaming\avast"
              2⤵
                PID:4304
              • C:\Windows\SysWOW64\cmd.exe
                "cmd" /c schtasks /create /sc minute /mo 1 /tn "Nafifas" /tr "'C:\Users\Admin\AppData\Roaming\avast\avast.exe'" /f
                2⤵
                • Suspicious use of WriteProcessMemory
                PID:4824
                • C:\Windows\SysWOW64\schtasks.exe
                  schtasks /create /sc minute /mo 1 /tn "Nafifas" /tr "'C:\Users\Admin\AppData\Roaming\avast\avast.exe'" /f
                  3⤵
                  • Creates scheduled task(s)
                  PID:3308
              • C:\Windows\SysWOW64\cmd.exe
                "cmd" /c copy "C:\Users\Admin\AppData\Roaming\avast\avast.exe" "C:\Users\Admin\AppData\Roaming\avast\avast.exe"
                2⤵
                  PID:436
              • C:\Users\Admin\AppData\Roaming\avast\avast.exe
                C:\Users\Admin\AppData\Roaming\avast\avast.exe
                1⤵
                • Executes dropped EXE
                PID:4948

              Network

              MITRE ATT&CK Enterprise v15

              Replay Monitor

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              Downloads

              • C:\Users\Admin\AppData\Local\Microsoft\CLR_v4.0_32\UsageLogs\a5511e15b015d02f9475da2875c37dcdacdda81793f2324fe5d61d487187aa8c.exe.log

                Filesize

                226B

                MD5

                957779c42144282d8cd83192b8fbc7cf

                SHA1

                de83d08d2cca06b9ff3d1ef239d6b60b705d25fe

                SHA256

                0d7ca7ba65e2b465e4878e324ceab8f8981f5ec06dcf5bc32559a4467a9c7d51

                SHA512

                f1549c61b4f2906d13b2aabb74772c2bc826cd42373d7bb6c48cbb125d5aa2ec17617e6b5e67e8aae3bb5790cc831cdba48a45008ed01df4fba8be448cce39fd

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

                Filesize

                520B

                MD5

                807cb75397a3a9fc38e9fb5f8566eb2d

                SHA1

                367e151fab5a5a80e60202d287ae522ea53e2563

                SHA256

                3e5056b73303b361e6b7b52f5edb2ed1a7e9dc2c762bb91d18046f42bc2ffcf3

                SHA512

                49efef0401ba0e0dc0b30bdff5d414da5494e4194c6269da2cb40b1ab7dc53e7858d29d2b9982bf3ee60ebc9638b5ed2b5ddcbb536bcc57729e79fc81f59f13d

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

                Filesize

                520B

                MD5

                807cb75397a3a9fc38e9fb5f8566eb2d

                SHA1

                367e151fab5a5a80e60202d287ae522ea53e2563

                SHA256

                3e5056b73303b361e6b7b52f5edb2ed1a7e9dc2c762bb91d18046f42bc2ffcf3

                SHA512

                49efef0401ba0e0dc0b30bdff5d414da5494e4194c6269da2cb40b1ab7dc53e7858d29d2b9982bf3ee60ebc9638b5ed2b5ddcbb536bcc57729e79fc81f59f13d

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

                Filesize

                621KB

                MD5

                ed9d91fe584d5109d4067734ac452753

                SHA1

                c277e57866833509d94787fc6f4d634a2714825d

                SHA256

                3629ed9b94ae5d0f2659d02dcb7ce258cb5c2497d5bf18f3c4fed78878fba030

                SHA512

                a6603acb550b897ec91b5c57b3034b8fd44ad9d675662aade0a078771b533b28e320c12c063c4ae48bfb23e8dfc85f304679458ea111db2e737043af0261bb1a

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

                Filesize

                621KB

                MD5

                ed9d91fe584d5109d4067734ac452753

                SHA1

                c277e57866833509d94787fc6f4d634a2714825d

                SHA256

                3629ed9b94ae5d0f2659d02dcb7ce258cb5c2497d5bf18f3c4fed78878fba030

                SHA512

                a6603acb550b897ec91b5c57b3034b8fd44ad9d675662aade0a078771b533b28e320c12c063c4ae48bfb23e8dfc85f304679458ea111db2e737043af0261bb1a

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

                Filesize

                621KB

                MD5

                ed9d91fe584d5109d4067734ac452753

                SHA1

                c277e57866833509d94787fc6f4d634a2714825d

                SHA256

                3629ed9b94ae5d0f2659d02dcb7ce258cb5c2497d5bf18f3c4fed78878fba030

                SHA512

                a6603acb550b897ec91b5c57b3034b8fd44ad9d675662aade0a078771b533b28e320c12c063c4ae48bfb23e8dfc85f304679458ea111db2e737043af0261bb1a

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

                Filesize

                621KB

                MD5

                ed9d91fe584d5109d4067734ac452753

                SHA1

                c277e57866833509d94787fc6f4d634a2714825d

                SHA256

                3629ed9b94ae5d0f2659d02dcb7ce258cb5c2497d5bf18f3c4fed78878fba030

                SHA512

                a6603acb550b897ec91b5c57b3034b8fd44ad9d675662aade0a078771b533b28e320c12c063c4ae48bfb23e8dfc85f304679458ea111db2e737043af0261bb1a

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

                Filesize

                621KB

                MD5

                ed9d91fe584d5109d4067734ac452753

                SHA1

                c277e57866833509d94787fc6f4d634a2714825d

                SHA256

                3629ed9b94ae5d0f2659d02dcb7ce258cb5c2497d5bf18f3c4fed78878fba030

                SHA512

                a6603acb550b897ec91b5c57b3034b8fd44ad9d675662aade0a078771b533b28e320c12c063c4ae48bfb23e8dfc85f304679458ea111db2e737043af0261bb1a

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

                Filesize

                621KB

                MD5

                ed9d91fe584d5109d4067734ac452753

                SHA1

                c277e57866833509d94787fc6f4d634a2714825d

                SHA256

                3629ed9b94ae5d0f2659d02dcb7ce258cb5c2497d5bf18f3c4fed78878fba030

                SHA512

                a6603acb550b897ec91b5c57b3034b8fd44ad9d675662aade0a078771b533b28e320c12c063c4ae48bfb23e8dfc85f304679458ea111db2e737043af0261bb1a

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

                Filesize

                621KB

                MD5

                ed9d91fe584d5109d4067734ac452753

                SHA1

                c277e57866833509d94787fc6f4d634a2714825d

                SHA256

                3629ed9b94ae5d0f2659d02dcb7ce258cb5c2497d5bf18f3c4fed78878fba030

                SHA512

                a6603acb550b897ec91b5c57b3034b8fd44ad9d675662aade0a078771b533b28e320c12c063c4ae48bfb23e8dfc85f304679458ea111db2e737043af0261bb1a

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

                Filesize

                621KB

                MD5

                ed9d91fe584d5109d4067734ac452753

                SHA1

                c277e57866833509d94787fc6f4d634a2714825d

                SHA256

                3629ed9b94ae5d0f2659d02dcb7ce258cb5c2497d5bf18f3c4fed78878fba030

                SHA512

                a6603acb550b897ec91b5c57b3034b8fd44ad9d675662aade0a078771b533b28e320c12c063c4ae48bfb23e8dfc85f304679458ea111db2e737043af0261bb1a

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

                Filesize

                245KB

                MD5

                0838ea6ef01e3577d1bfb57b5980c319

                SHA1

                35920bea7d7c0476c814aca6db53a284621ddeec

                SHA256

                05cc8ee98d1902da082fe76cefd10360d7da097ce1dee2ff060c00446cec0c5e

                SHA512

                381e122b5bfab2085fc0759740cef8313dd5d47d8a943e03b36342fab4620d30c5c6713bb3447c696a679f40c7d57d98d248f4770cadbd9369a6dd05ea10014f

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

                Filesize

                245KB

                MD5

                0838ea6ef01e3577d1bfb57b5980c319

                SHA1

                35920bea7d7c0476c814aca6db53a284621ddeec

                SHA256

                05cc8ee98d1902da082fe76cefd10360d7da097ce1dee2ff060c00446cec0c5e

                SHA512

                381e122b5bfab2085fc0759740cef8313dd5d47d8a943e03b36342fab4620d30c5c6713bb3447c696a679f40c7d57d98d248f4770cadbd9369a6dd05ea10014f

              • memory/1808-67-0x0000000005380000-0x0000000005390000-memory.dmp

                Filesize

                64KB

              • memory/1808-64-0x00000000738D0000-0x0000000073FBE000-memory.dmp

                Filesize

                6.9MB

              • memory/1808-68-0x00000000738D0000-0x0000000073FBE000-memory.dmp

                Filesize

                6.9MB

              • memory/1808-69-0x0000000005380000-0x0000000005390000-memory.dmp

                Filesize

                64KB

              • memory/3184-7-0x0000000000400000-0x0000000000466000-memory.dmp

                Filesize

                408KB

              • memory/3184-23-0x00000000738D0000-0x0000000073FBE000-memory.dmp

                Filesize

                6.9MB

              • memory/3184-10-0x0000000005740000-0x0000000005748000-memory.dmp

                Filesize

                32KB

              • memory/3184-9-0x00000000738D0000-0x0000000073FBE000-memory.dmp

                Filesize

                6.9MB

              • memory/3376-24-0x0000000000410000-0x00000000004B2000-memory.dmp

                Filesize

                648KB

              • memory/3376-25-0x00000000738D0000-0x0000000073FBE000-memory.dmp

                Filesize

                6.9MB

              • memory/3376-30-0x0000000005300000-0x0000000005400000-memory.dmp

                Filesize

                1024KB

              • memory/3376-49-0x00000000738D0000-0x0000000073FBE000-memory.dmp

                Filesize

                6.9MB

              • memory/3376-38-0x00000000738D0000-0x0000000073FBE000-memory.dmp

                Filesize

                6.9MB

              • memory/3376-42-0x00000000051B0000-0x00000000051DC000-memory.dmp

                Filesize

                176KB

              • memory/3376-40-0x0000000005300000-0x0000000005400000-memory.dmp

                Filesize

                1024KB

              • memory/3480-39-0x00000000738D0000-0x0000000073FBE000-memory.dmp

                Filesize

                6.9MB

              • memory/3480-31-0x0000000005030000-0x0000000005040000-memory.dmp

                Filesize

                64KB

              • memory/3480-37-0x00000000069B0000-0x00000000069BA000-memory.dmp

                Filesize

                40KB

              • memory/3480-41-0x0000000005030000-0x0000000005040000-memory.dmp

                Filesize

                64KB

              • memory/3480-36-0x0000000006A40000-0x0000000006AD2000-memory.dmp

                Filesize

                584KB

              • memory/3480-35-0x0000000006840000-0x00000000068DC000-memory.dmp

                Filesize

                624KB

              • memory/3480-34-0x0000000006750000-0x00000000067A0000-memory.dmp

                Filesize

                320KB

              • memory/3480-26-0x00000000007E0000-0x0000000000824000-memory.dmp

                Filesize

                272KB

              • memory/3480-28-0x00000000738D0000-0x0000000073FBE000-memory.dmp

                Filesize

                6.9MB

              • memory/3480-29-0x00000000051C0000-0x0000000005226000-memory.dmp

                Filesize

                408KB

              • memory/3496-5-0x0000000004B90000-0x0000000004BA0000-memory.dmp

                Filesize

                64KB

              • memory/3496-2-0x00000000050A0000-0x000000000559E000-memory.dmp

                Filesize

                5.0MB

              • memory/3496-1-0x00000000738D0000-0x0000000073FBE000-memory.dmp

                Filesize

                6.9MB

              • memory/3496-3-0x0000000004B90000-0x0000000004BA0000-memory.dmp

                Filesize

                64KB

              • memory/3496-4-0x00000000738D0000-0x0000000073FBE000-memory.dmp

                Filesize

                6.9MB

              • memory/3496-27-0x00000000738D0000-0x0000000073FBE000-memory.dmp

                Filesize

                6.9MB

              • memory/3496-0-0x0000000000030000-0x000000000017E000-memory.dmp

                Filesize

                1.3MB

              • memory/3496-6-0x0000000004CA0000-0x0000000004E00000-memory.dmp

                Filesize

                1.4MB

              • memory/4404-66-0x00000000738D0000-0x0000000073FBE000-memory.dmp

                Filesize

                6.9MB

              • memory/4404-59-0x00000000738D0000-0x0000000073FBE000-memory.dmp

                Filesize

                6.9MB

              • memory/4404-60-0x0000000005660000-0x0000000005670000-memory.dmp

                Filesize

                64KB

              • memory/4404-58-0x0000000005660000-0x0000000005670000-memory.dmp

                Filesize

                64KB

              • memory/4404-57-0x00000000738D0000-0x0000000073FBE000-memory.dmp

                Filesize

                6.9MB

              • memory/4724-47-0x00000000001E0000-0x00000000001F8000-memory.dmp

                Filesize

                96KB

              • memory/4724-48-0x00000000738D0000-0x0000000073FBE000-memory.dmp

                Filesize

                6.9MB

              • memory/4724-54-0x0000000004F00000-0x0000000005000000-memory.dmp

                Filesize

                1024KB

              • memory/4724-53-0x00000000738D0000-0x0000000073FBE000-memory.dmp

                Filesize

                6.9MB

              • memory/4724-50-0x0000000004F00000-0x0000000005000000-memory.dmp

                Filesize

                1024KB

              • memory/4948-71-0x00000000738D0000-0x0000000073FBE000-memory.dmp

                Filesize

                6.9MB

              • memory/4948-72-0x0000000004F10000-0x0000000004F20000-memory.dmp

                Filesize

                64KB

              • memory/4948-73-0x00000000738D0000-0x0000000073FBE000-memory.dmp

                Filesize

                6.9MB

              • memory/4948-74-0x0000000004F10000-0x0000000004F20000-memory.dmp

                Filesize

                64KB