Analysis

  • max time kernel
    150s
  • max time network
    144s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20220901-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20220901-enlocale:en-usos:windows10-2004-x64system
  • submitted
    02/10/2022, 07:35

General

  • Target

    8b0f0600c3471c7fb6605890e5856966b9d9592832e3b06d6ddcadf03b0f3358.exe

  • Size

    556KB

  • MD5

    56cd8b4d671ec050f2aa5529aaef0f33

  • SHA1

    36f8d15f377cc990d3e316bb69879f203e4c20f1

  • SHA256

    8b0f0600c3471c7fb6605890e5856966b9d9592832e3b06d6ddcadf03b0f3358

  • SHA512

    ffc5991454bd2aeb5a88bb101d3f1945264357de52e57c77dd6333db55fc0606da82629dec6903ea65f5d4fb0bd2f2b1c293d88c9bf981286899bf1d52372b7a

  • SSDEEP

    12288:37Lo8Rs90X41cnOOWB2KpyYK4BVqZDx2mpmHPW9GROsI8w:37L1yMgcnOds44Fp2PWUDI8

Malware Config

Signatures

  • Modifies visiblity of hidden/system files in Explorer 2 TTPs 2 IoCs
  • Executes dropped EXE 10 IoCs
  • UPX packed file 17 IoCs

    Detects executables packed with UPX/modified UPX open source packer.

  • Checks computer location settings 2 TTPs 2 IoCs

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

  • Reads user/profile data of web browsers 2 TTPs

    Infostealers often target stored browser data, which can include saved credentials etc.

  • Unexpected DNS network traffic destination 2 IoCs

    Network traffic to other servers than the configured DNS servers was detected on the DNS port.

  • Adds Run key to start application 2 TTPs 54 IoCs
  • Maps connected drives based on registry 3 TTPs 2 IoCs

    Disk information is often read in order to detect sandboxing environments.

  • Suspicious use of SetThreadContext 6 IoCs
  • Enumerates physical storage devices 1 TTPs

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

  • Program crash 1 IoCs
  • Enumerates processes with tasklist 1 TTPs 2 IoCs
  • Suspicious behavior: EnumeratesProcesses 64 IoCs
  • Suspicious behavior: GetForegroundWindowSpam 1 IoCs
  • Suspicious use of AdjustPrivilegeToken 10 IoCs
  • Suspicious use of SetWindowsHookEx 6 IoCs
  • Suspicious use of WriteProcessMemory 64 IoCs

Processes

  • C:\Windows\Explorer.EXE
    C:\Windows\Explorer.EXE
    1⤵
    • Suspicious behavior: GetForegroundWindowSpam
    • Suspicious use of AdjustPrivilegeToken
    PID:2940
    • C:\Users\Admin\AppData\Local\Temp\8b0f0600c3471c7fb6605890e5856966b9d9592832e3b06d6ddcadf03b0f3358.exe
      "C:\Users\Admin\AppData\Local\Temp\8b0f0600c3471c7fb6605890e5856966b9d9592832e3b06d6ddcadf03b0f3358.exe"
      2⤵
      • Checks computer location settings
      • Suspicious use of SetWindowsHookEx
      • Suspicious use of WriteProcessMemory
      PID:4744
      • C:\Users\Admin\NB4wr66jY4.exe
        C:\Users\Admin\NB4wr66jY4.exe
        3⤵
        • Modifies visiblity of hidden/system files in Explorer
        • Executes dropped EXE
        • Checks computer location settings
        • Adds Run key to start application
        • Suspicious behavior: EnumeratesProcesses
        • Suspicious use of SetWindowsHookEx
        • Suspicious use of WriteProcessMemory
        PID:2088
        • C:\Users\Admin\miioti.exe
          "C:\Users\Admin\miioti.exe"
          4⤵
          • Modifies visiblity of hidden/system files in Explorer
          • Executes dropped EXE
          • Adds Run key to start application
          • Suspicious behavior: EnumeratesProcesses
          • Suspicious use of SetWindowsHookEx
          • Suspicious use of WriteProcessMemory
          PID:1100
        • C:\Windows\SysWOW64\cmd.exe
          "C:\Windows\System32\cmd.exe" /c tasklist&&del NB4wr66jY4.exe
          4⤵
          • Suspicious use of WriteProcessMemory
          PID:1728
          • C:\Windows\SysWOW64\tasklist.exe
            tasklist
            5⤵
            • Enumerates processes with tasklist
            • Suspicious use of AdjustPrivilegeToken
            PID:3424
      • C:\Users\Admin\2xek.exe
        C:\Users\Admin\2xek.exe
        3⤵
        • Executes dropped EXE
        • Suspicious use of SetThreadContext
        • Suspicious use of SetWindowsHookEx
        • Suspicious use of WriteProcessMemory
        PID:1328
        • C:\Users\Admin\2xek.exe
          "C:\Users\Admin\2xek.exe"
          4⤵
          • Executes dropped EXE
          PID:1432
          • C:\Windows\SysWOW64\WerFault.exe
            C:\Windows\SysWOW64\WerFault.exe -u -p 1432 -s 80
            5⤵
            • Program crash
            PID:4784
        • C:\Users\Admin\2xek.exe
          "C:\Users\Admin\2xek.exe"
          4⤵
          • Executes dropped EXE
          • Maps connected drives based on registry
          • Suspicious behavior: EnumeratesProcesses
          PID:2308
        • C:\Users\Admin\2xek.exe
          "C:\Users\Admin\2xek.exe"
          4⤵
          • Executes dropped EXE
          PID:1548
        • C:\Users\Admin\2xek.exe
          "C:\Users\Admin\2xek.exe"
          4⤵
          • Executes dropped EXE
          • Suspicious use of SetWindowsHookEx
          PID:2888
        • C:\Users\Admin\2xek.exe
          "C:\Users\Admin\2xek.exe"
          4⤵
          • Executes dropped EXE
          • Suspicious use of SetWindowsHookEx
          PID:3340
      • C:\Users\Admin\3xek.exe
        C:\Users\Admin\3xek.exe
        3⤵
        • Executes dropped EXE
        • Suspicious use of SetThreadContext
        • Suspicious behavior: EnumeratesProcesses
        • Suspicious use of AdjustPrivilegeToken
        • Suspicious use of WriteProcessMemory
        PID:1956
        • C:\Users\Admin\AppData\Local\33b020d7\X
          *0*bc*dc30d990*31.193.3.240:53
          4⤵
          • Executes dropped EXE
          • Suspicious behavior: EnumeratesProcesses
          • Suspicious use of WriteProcessMemory
          PID:4268
        • C:\Windows\SysWOW64\cmd.exe
          "C:\Windows\system32\cmd.exe"
          4⤵
            PID:2188
        • C:\Windows\SysWOW64\cmd.exe
          "C:\Windows\System32\cmd.exe" /c tasklist&&del 8b0f0600c3471c7fb6605890e5856966b9d9592832e3b06d6ddcadf03b0f3358.exe
          3⤵
            PID:384
            • C:\Windows\SysWOW64\tasklist.exe
              tasklist
              4⤵
              • Enumerates processes with tasklist
              • Suspicious use of AdjustPrivilegeToken
              PID:3652
      • C:\Windows\SysWOW64\WerFault.exe
        C:\Windows\SysWOW64\WerFault.exe -pss -s 456 -p 1432 -ip 1432
        1⤵
          PID:1852

        Network

              MITRE ATT&CK Enterprise v6

              Replay Monitor

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              Downloads

              • C:\Users\Admin\2xek.exe

                Filesize

                164KB

                MD5

                c94ab34868ec4624e1e7e95e234a48ed

                SHA1

                b419f37f2fabdac6598cf59fbc505de59a51de77

                SHA256

                9772234bc94afb938998bf85c318dc800223993125e5ffa8dbe44a667ca71897

                SHA512

                e2f602193c89ec094956e427dbf586fc1f39c0c329067f140c0af6b21cdc080138f717721b83eae1315adbe78de12107903438c8153deaf93f319ebb265b74e5

              • C:\Users\Admin\2xek.exe

                Filesize

                164KB

                MD5

                c94ab34868ec4624e1e7e95e234a48ed

                SHA1

                b419f37f2fabdac6598cf59fbc505de59a51de77

                SHA256

                9772234bc94afb938998bf85c318dc800223993125e5ffa8dbe44a667ca71897

                SHA512

                e2f602193c89ec094956e427dbf586fc1f39c0c329067f140c0af6b21cdc080138f717721b83eae1315adbe78de12107903438c8153deaf93f319ebb265b74e5

              • C:\Users\Admin\2xek.exe

                Filesize

                164KB

                MD5

                c94ab34868ec4624e1e7e95e234a48ed

                SHA1

                b419f37f2fabdac6598cf59fbc505de59a51de77

                SHA256

                9772234bc94afb938998bf85c318dc800223993125e5ffa8dbe44a667ca71897

                SHA512

                e2f602193c89ec094956e427dbf586fc1f39c0c329067f140c0af6b21cdc080138f717721b83eae1315adbe78de12107903438c8153deaf93f319ebb265b74e5

              • C:\Users\Admin\2xek.exe

                Filesize

                164KB

                MD5

                c94ab34868ec4624e1e7e95e234a48ed

                SHA1

                b419f37f2fabdac6598cf59fbc505de59a51de77

                SHA256

                9772234bc94afb938998bf85c318dc800223993125e5ffa8dbe44a667ca71897

                SHA512

                e2f602193c89ec094956e427dbf586fc1f39c0c329067f140c0af6b21cdc080138f717721b83eae1315adbe78de12107903438c8153deaf93f319ebb265b74e5

              • C:\Users\Admin\2xek.exe

                Filesize

                164KB

                MD5

                c94ab34868ec4624e1e7e95e234a48ed

                SHA1

                b419f37f2fabdac6598cf59fbc505de59a51de77

                SHA256

                9772234bc94afb938998bf85c318dc800223993125e5ffa8dbe44a667ca71897

                SHA512

                e2f602193c89ec094956e427dbf586fc1f39c0c329067f140c0af6b21cdc080138f717721b83eae1315adbe78de12107903438c8153deaf93f319ebb265b74e5

              • C:\Users\Admin\2xek.exe

                Filesize

                164KB

                MD5

                c94ab34868ec4624e1e7e95e234a48ed

                SHA1

                b419f37f2fabdac6598cf59fbc505de59a51de77

                SHA256

                9772234bc94afb938998bf85c318dc800223993125e5ffa8dbe44a667ca71897

                SHA512

                e2f602193c89ec094956e427dbf586fc1f39c0c329067f140c0af6b21cdc080138f717721b83eae1315adbe78de12107903438c8153deaf93f319ebb265b74e5

              • C:\Users\Admin\2xek.exe

                Filesize

                164KB

                MD5

                c94ab34868ec4624e1e7e95e234a48ed

                SHA1

                b419f37f2fabdac6598cf59fbc505de59a51de77

                SHA256

                9772234bc94afb938998bf85c318dc800223993125e5ffa8dbe44a667ca71897

                SHA512

                e2f602193c89ec094956e427dbf586fc1f39c0c329067f140c0af6b21cdc080138f717721b83eae1315adbe78de12107903438c8153deaf93f319ebb265b74e5

              • C:\Users\Admin\3xek.exe

                Filesize

                251KB

                MD5

                2ce19a9f18fc524fe115603b4ad9b9aa

                SHA1

                30b4c119d4b915826b020b12b7a6d5c7c5fd3c0e

                SHA256

                6fbf9cc7aea0d80f7706603a0b8b11938a9a0e34557adb18b711d08cec13d7a3

                SHA512

                c060d4c01799b6bd51947534359547c394d7f412d8edf2f3b3c6ac33ac13b66eee9503495cc5997ec9a4df162518422a5f4e13d75fe274baee1580d8e6a752b6

              • C:\Users\Admin\3xek.exe

                Filesize

                251KB

                MD5

                2ce19a9f18fc524fe115603b4ad9b9aa

                SHA1

                30b4c119d4b915826b020b12b7a6d5c7c5fd3c0e

                SHA256

                6fbf9cc7aea0d80f7706603a0b8b11938a9a0e34557adb18b711d08cec13d7a3

                SHA512

                c060d4c01799b6bd51947534359547c394d7f412d8edf2f3b3c6ac33ac13b66eee9503495cc5997ec9a4df162518422a5f4e13d75fe274baee1580d8e6a752b6

              • C:\Users\Admin\AppData\Local\33b020d7\X

                Filesize

                38KB

                MD5

                72de2dadaf875e2fd7614e100419033c

                SHA1

                5f17c5330e91a42daa9ff24c4aa602bd1a72bf6e

                SHA256

                c44993768a4dc5a58ddbfc9cb05ce2a7d3a0a56be45643d70a72bcf811b6c381

                SHA512

                e2520a53326a7d3b056e65d0cf60e9d823ffb34ca026cdddc7ea3a714f8396c53c37e13a887fc86a7dd7076c97fdfad53c3f5a68342ebc1bdec948c76bda8df3

              • C:\Users\Admin\AppData\Local\33b020d7\X

                Filesize

                38KB

                MD5

                72de2dadaf875e2fd7614e100419033c

                SHA1

                5f17c5330e91a42daa9ff24c4aa602bd1a72bf6e

                SHA256

                c44993768a4dc5a58ddbfc9cb05ce2a7d3a0a56be45643d70a72bcf811b6c381

                SHA512

                e2520a53326a7d3b056e65d0cf60e9d823ffb34ca026cdddc7ea3a714f8396c53c37e13a887fc86a7dd7076c97fdfad53c3f5a68342ebc1bdec948c76bda8df3

              • C:\Users\Admin\NB4wr66jY4.exe

                Filesize

                224KB

                MD5

                5f3f430c5d00e2a2e4e1aae0e09078b9

                SHA1

                48a6be11c16e694c42fa0a0d05783177ba1c4adb

                SHA256

                b1799329b5f9bffacf98c4d5542dc7e1b4021e6b3b0970bc1aec0f6094e0d867

                SHA512

                3a41d2084d82a4aaeb6136c629f4dd84a813759570b3ffea2856e3358c2fb11fa19c4c6c5924f78cb0d1e297c7f928ecf4c019cafee15e1aa3fefa3eb05b0873

              • C:\Users\Admin\NB4wr66jY4.exe

                Filesize

                224KB

                MD5

                5f3f430c5d00e2a2e4e1aae0e09078b9

                SHA1

                48a6be11c16e694c42fa0a0d05783177ba1c4adb

                SHA256

                b1799329b5f9bffacf98c4d5542dc7e1b4021e6b3b0970bc1aec0f6094e0d867

                SHA512

                3a41d2084d82a4aaeb6136c629f4dd84a813759570b3ffea2856e3358c2fb11fa19c4c6c5924f78cb0d1e297c7f928ecf4c019cafee15e1aa3fefa3eb05b0873

              • C:\Users\Admin\miioti.exe

                Filesize

                224KB

                MD5

                04b38c2394a1bff4dafb247db42f1a09

                SHA1

                5fd5dd786551399aa3a6dc803589f77e2a2a456b

                SHA256

                5b1e4d84d12c21780a016ea9526e6da719370eec0bfc1210a43bad61520426e6

                SHA512

                b33855583fda325b0176aa8d6a827a28df2e336c9fb8426ce163d801293f37a46a77fb2a3976efdb5561aa9df1e9d4cbc06a0ade715df331d4fd9c00cc70a941

              • C:\Users\Admin\miioti.exe

                Filesize

                224KB

                MD5

                04b38c2394a1bff4dafb247db42f1a09

                SHA1

                5fd5dd786551399aa3a6dc803589f77e2a2a456b

                SHA256

                5b1e4d84d12c21780a016ea9526e6da719370eec0bfc1210a43bad61520426e6

                SHA512

                b33855583fda325b0176aa8d6a827a28df2e336c9fb8426ce163d801293f37a46a77fb2a3976efdb5561aa9df1e9d4cbc06a0ade715df331d4fd9c00cc70a941

              • memory/1548-163-0x0000000000400000-0x0000000000455000-memory.dmp

                Filesize

                340KB

              • memory/1548-165-0x0000000000400000-0x0000000000455000-memory.dmp

                Filesize

                340KB

              • memory/1548-176-0x0000000000400000-0x0000000000455000-memory.dmp

                Filesize

                340KB

              • memory/1548-158-0x0000000000400000-0x0000000000455000-memory.dmp

                Filesize

                340KB

              • memory/1956-193-0x00000000007E1000-0x0000000000816000-memory.dmp

                Filesize

                212KB

              • memory/1956-187-0x00000000007E1000-0x0000000000816000-memory.dmp

                Filesize

                212KB

              • memory/1956-192-0x0000000030670000-0x00000000306C7000-memory.dmp

                Filesize

                348KB

              • memory/2308-172-0x0000000000400000-0x0000000000429000-memory.dmp

                Filesize

                164KB

              • memory/2308-196-0x0000000000400000-0x0000000000429000-memory.dmp

                Filesize

                164KB

              • memory/2308-159-0x0000000000400000-0x0000000000429000-memory.dmp

                Filesize

                164KB

              • memory/2308-153-0x0000000000400000-0x0000000000429000-memory.dmp

                Filesize

                164KB

              • memory/2308-157-0x0000000000400000-0x0000000000429000-memory.dmp

                Filesize

                164KB

              • memory/2888-170-0x0000000000400000-0x000000000040A000-memory.dmp

                Filesize

                40KB

              • memory/2888-177-0x0000000000400000-0x000000000040A000-memory.dmp

                Filesize

                40KB

              • memory/2888-175-0x0000000000400000-0x000000000040A000-memory.dmp

                Filesize

                40KB

              • memory/2888-183-0x0000000000400000-0x000000000040A000-memory.dmp

                Filesize

                40KB

              • memory/3340-171-0x0000000000400000-0x0000000000407000-memory.dmp

                Filesize

                28KB

              • memory/3340-169-0x0000000000400000-0x0000000000407000-memory.dmp

                Filesize

                28KB

              • memory/3340-164-0x0000000000400000-0x0000000000407000-memory.dmp

                Filesize

                28KB

              • memory/3340-197-0x0000000000400000-0x0000000000407000-memory.dmp

                Filesize

                28KB