Analysis

  • max time kernel
    82s
  • max time network
    124s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20230915-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20230915-enlocale:en-usos:windows10-2004-x64system
  • submitted
    26-09-2023 13:57

General

  • Target

    dockin20230925.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
  • Checks computer location settings 2 TTPs 2 IoCs

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

  • Executes dropped EXE 5 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 2 IoCs

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

  • Suspicious behavior: EnumeratesProcesses 2 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\dockin20230925.exe
    "C:\Users\Admin\AppData\Local\Temp\dockin20230925.exe"
    1⤵
    • Checks computer location settings
    • Suspicious use of SetThreadContext
    • Suspicious use of WriteProcessMemory
    PID:4700
    • C:\Users\Admin\AppData\Local\Temp\dockin20230925.exe
      "C:\Users\Admin\AppData\Local\Temp\dockin20230925.exe"
      2⤵
      • Checks computer location settings
      • Suspicious use of WriteProcessMemory
      PID:1096
      • 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:4488
    • 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:2920
      • C:\Users\Admin\AppData\Local\Temp\svchost.exe
        "C:\Users\Admin\AppData\Local\Temp\svchost.exe"
        3⤵
        • Executes dropped EXE
        • Suspicious behavior: SetClipboardViewer
        PID:4772
      • C:\Windows\SysWOW64\cmd.exe
        "cmd" /c mkdir "C:\Users\Admin\AppData\Roaming\avast"
        3⤵
          PID:2544
        • 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:1356
          • 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:2644
            • 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:2416
        • C:\Windows\SysWOW64\cmd.exe
          "cmd" /c mkdir "C:\Users\Admin\AppData\Roaming\svchost"
          2⤵
            PID:1748
          • C:\Windows\SysWOW64\cmd.exe
            "cmd" /c copy "C:\Users\Admin\AppData\Local\Temp\dockin20230925.exe" "C:\Users\Admin\AppData\Roaming\svchost\svchost.exe"
            2⤵
              PID:3660
            • 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:3696
          • C:\Windows\SysWOW64\schtasks.exe
            schtasks /create /sc minute /mo 1 /tn "Nafifas" /tr "'C:\Users\Admin\AppData\Roaming\svchost\svchost.exe'" /f
            1⤵
            • Creates scheduled task(s)
            PID:5008
          • C:\Users\Admin\AppData\Roaming\svchost\svchost.exe
            C:\Users\Admin\AppData\Roaming\svchost\svchost.exe
            1⤵
            • Executes dropped EXE
            • Suspicious use of SetThreadContext
            • Suspicious use of WriteProcessMemory
            PID:2684
            • C:\Users\Admin\AppData\Roaming\svchost\svchost.exe
              "C:\Users\Admin\AppData\Roaming\svchost\svchost.exe"
              2⤵
              • Executes dropped EXE
              PID:4520
            • C:\Windows\SysWOW64\cmd.exe
              "cmd" /c mkdir "C:\Users\Admin\AppData\Roaming\svchost"
              2⤵
                PID:568
              • 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⤵
                  PID:3760
                • C:\Windows\SysWOW64\cmd.exe
                  "cmd" /c copy "C:\Users\Admin\AppData\Roaming\svchost\svchost.exe" "C:\Users\Admin\AppData\Roaming\svchost\svchost.exe"
                  2⤵
                    PID:2728

                Network

                MITRE ATT&CK Enterprise v15

                Replay Monitor

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                Downloads

                • C:\Users\Admin\AppData\Local\Microsoft\CLR_v4.0_32\UsageLogs\dockin20230925.exe.log

                  Filesize

                  226B

                  MD5

                  916851e072fbabc4796d8916c5131092

                  SHA1

                  d48a602229a690c512d5fdaf4c8d77547a88e7a2

                  SHA256

                  7e750c904c43d27c89e55af809a679a96c0bb63fc511006ffbceffc2c7f6fb7d

                  SHA512

                  07ce4c881d6c411cac0b62364377e77950797c486804fb10d00555458716e3c47b1efc0d1f37e4cc3b7e6565bb402ca01c7ea8c963f9f9ace941a6e3883d2521

                • 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\Local\Temp\svchost.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

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

                  Filesize

                  245KB

                  MD5

                  0838ea6ef01e3577d1bfb57b5980c319

                  SHA1

                  35920bea7d7c0476c814aca6db53a284621ddeec

                  SHA256

                  05cc8ee98d1902da082fe76cefd10360d7da097ce1dee2ff060c00446cec0c5e

                  SHA512

                  381e122b5bfab2085fc0759740cef8313dd5d47d8a943e03b36342fab4620d30c5c6713bb3447c696a679f40c7d57d98d248f4770cadbd9369a6dd05ea10014f

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

                  Filesize

                  1.3MB

                  MD5

                  4a0d61fe2000566f8b688d18681c0b5a

                  SHA1

                  c473e7bafd6351cb8f1870eadb73316cd5cb5e91

                  SHA256

                  a5511e15b015d02f9475da2875c37dcdacdda81793f2324fe5d61d487187aa8c

                  SHA512

                  a9c84b0af7497ad780302583e2b6dc1c438451e18259fd25be4d3267b4a8125a6c31860017aba83879f8a703aaefbfd331ae63016468976f86572c2be7f248be

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

                  Filesize

                  1.3MB

                  MD5

                  4a0d61fe2000566f8b688d18681c0b5a

                  SHA1

                  c473e7bafd6351cb8f1870eadb73316cd5cb5e91

                  SHA256

                  a5511e15b015d02f9475da2875c37dcdacdda81793f2324fe5d61d487187aa8c

                  SHA512

                  a9c84b0af7497ad780302583e2b6dc1c438451e18259fd25be4d3267b4a8125a6c31860017aba83879f8a703aaefbfd331ae63016468976f86572c2be7f248be

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

                  Filesize

                  1.3MB

                  MD5

                  aeb88156c6c38fe69b2afca4fa32b7e0

                  SHA1

                  9800389dd6737ea36605285a616994f1627d96eb

                  SHA256

                  1ba74b1ba2b75750ef1f920c59d7970d5187ed9ae9336dcf565ec66d9f775b88

                  SHA512

                  6c88575f84ffec5ca661f33cf74d8c6a50b630e10741dcdaed8d84a88f4812c0e6c8e3ef83f35ed0370348bba9486a9056ff6fab90151fa3f5013160d82f3414

                • memory/1096-10-0x0000000074E30000-0x00000000755E0000-memory.dmp

                  Filesize

                  7.7MB

                • memory/1096-9-0x0000000001550000-0x0000000001558000-memory.dmp

                  Filesize

                  32KB

                • memory/1096-7-0x0000000000400000-0x0000000000466000-memory.dmp

                  Filesize

                  408KB

                • memory/1096-34-0x0000000074E30000-0x00000000755E0000-memory.dmp

                  Filesize

                  7.7MB

                • memory/2684-53-0x0000000074E30000-0x00000000755E0000-memory.dmp

                  Filesize

                  7.7MB

                • memory/2684-54-0x0000000074E30000-0x00000000755E0000-memory.dmp

                  Filesize

                  7.7MB

                • memory/2920-38-0x0000000074E30000-0x00000000755E0000-memory.dmp

                  Filesize

                  7.7MB

                • memory/2920-33-0x0000000000440000-0x00000000004E2000-memory.dmp

                  Filesize

                  648KB

                • memory/2920-60-0x0000000074E30000-0x00000000755E0000-memory.dmp

                  Filesize

                  7.7MB

                • memory/2920-55-0x0000000005730000-0x000000000575C000-memory.dmp

                  Filesize

                  176KB

                • memory/2920-48-0x0000000074E30000-0x00000000755E0000-memory.dmp

                  Filesize

                  7.7MB

                • memory/4488-43-0x00000000054F0000-0x0000000005556000-memory.dmp

                  Filesize

                  408KB

                • memory/4488-40-0x00000000053E0000-0x00000000053F0000-memory.dmp

                  Filesize

                  64KB

                • memory/4488-37-0x0000000000AC0000-0x0000000000B04000-memory.dmp

                  Filesize

                  272KB

                • memory/4488-44-0x0000000006B90000-0x0000000006BE0000-memory.dmp

                  Filesize

                  320KB

                • memory/4488-45-0x0000000006C80000-0x0000000006D1C000-memory.dmp

                  Filesize

                  624KB

                • memory/4488-46-0x0000000006F00000-0x0000000006F92000-memory.dmp

                  Filesize

                  584KB

                • memory/4488-47-0x0000000006EA0000-0x0000000006EAA000-memory.dmp

                  Filesize

                  40KB

                • memory/4488-35-0x0000000074E30000-0x00000000755E0000-memory.dmp

                  Filesize

                  7.7MB

                • memory/4488-49-0x0000000074E30000-0x00000000755E0000-memory.dmp

                  Filesize

                  7.7MB

                • memory/4488-50-0x00000000053E0000-0x00000000053F0000-memory.dmp

                  Filesize

                  64KB

                • memory/4700-5-0x00000000059A0000-0x00000000059B0000-memory.dmp

                  Filesize

                  64KB

                • memory/4700-6-0x0000000005C20000-0x0000000005D80000-memory.dmp

                  Filesize

                  1.4MB

                • memory/4700-4-0x0000000074E30000-0x00000000755E0000-memory.dmp

                  Filesize

                  7.7MB

                • memory/4700-3-0x00000000059A0000-0x00000000059B0000-memory.dmp

                  Filesize

                  64KB

                • memory/4700-0-0x0000000000E60000-0x0000000000FAE000-memory.dmp

                  Filesize

                  1.3MB

                • memory/4700-2-0x0000000005F60000-0x0000000006504000-memory.dmp

                  Filesize

                  5.6MB

                • memory/4700-39-0x0000000074E30000-0x00000000755E0000-memory.dmp

                  Filesize

                  7.7MB

                • memory/4700-1-0x0000000074E30000-0x00000000755E0000-memory.dmp

                  Filesize

                  7.7MB

                • memory/4772-56-0x0000000000400000-0x0000000000418000-memory.dmp

                  Filesize

                  96KB

                • memory/4772-58-0x0000000074E30000-0x00000000755E0000-memory.dmp

                  Filesize

                  7.7MB

                • memory/4772-63-0x0000000074E30000-0x00000000755E0000-memory.dmp

                  Filesize

                  7.7MB