Overview

overview

10

Static

static

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windows10_x64

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win104

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win104

windows10_x64

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win105

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windows10_x64

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Resubmissions

12-11-2024 01:29

241112-bwgrxs1gnf 10

08-07-2021 12:18

210708-8z6d5h8z2n 10

06-07-2021 17:53

210706-g6we6sa7sa 10

19-06-2021 18:17

210619-vr8bj2dzfn 10

17-06-2021 21:39

210617-a9cvlnmrbx 10

11-06-2021 17:26

210611-wvab1yw2tj 10

08-06-2021 06:47

210608-qrbpch3y46 10

08-06-2021 06:47

210608-64tndgm1ln 10

05-06-2021 18:40

210605-cd6qpr55sx 10

04-06-2021 11:56

210604-5c416rs3ns 10

Analysis

  • max time kernel
    300s
  • max time network
    300s
  • platform
    windows10_x64
  • resource
    win10v20210410
  • submitted
    14-05-2021 04:20

Sharing

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General

  • Target

    keygen-step-4d.exe

  • Size

    4.6MB

  • MD5

    563107b1df2a00f4ec868acd9e08a205

  • SHA1

    9cb9c91d66292f5317aa50d92e38834861e9c9b7

  • SHA256

    bf2bd257dde4921ce83c7c1303fafe7f9f81e53c2775d3c373ced482b22eb8a9

  • SHA512

    99a8d247fa435c4cd95be7bc64c7dd6e382371f3a3c160aac3995fd705e4fd3f6622c23784a4ae3457c87536347d15eda3f08aa616450778a99376df540d74d1

Score
9/10
discoveryevasionpersistencespywarestealertrojanupx

Malware Config

Signatures

  • Checks for common network interception software 1 TTPs

    Looks in the registry for tools like Wireshark or Fiddler commonly used to analyze network activity.

    evasion
  • Downloads MZ/PE file
  • Drops file in Drivers directory 1 IoCs
  • Executes dropped EXE 15 IoCs
  • UPX packed file 4 IoCs

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

    upx
  • Checks computer location settings 2 TTPs 1 IoCs

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

  • Loads dropped DLL 2 IoCs
  • Reads user/profile data of web browsers 2 TTPs

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

    spywarestealer
  • Adds Run key to start application 2 TTPs 2 IoCs
    persistence
  • Checks installed software on the system 1 TTPs

    Looks up Uninstall key entries in the registry to enumerate software on the system.

    discovery
  • Checks whether UAC is enabled 1 TTPs 1 IoCs
    evasiontrojan
  • Legitimate hosting services abused for malware hosting/C2 1 TTPs
  • Looks up external IP address via web service 1 IoCs

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

  • Drops file in System32 directory 1 IoCs
  • Suspicious use of SetThreadContext 2 IoCs
  • Drops file in Program Files directory 12 IoCs
  • Drops file in Windows directory 1 IoCs
  • Enumerates physical storage devices 1 TTPs

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

  • Checks processor information in registry 2 TTPs 4 IoCs

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

  • Modifies Internet Explorer settings 1 TTPs 3 IoCs
    adwarespyware
  • Modifies data under HKEY_USERS 16 IoCs
  • Modifies registry class 64 IoCs
  • Modifies system certificate store 2 TTPs 2 IoCs
    evasionspywaretrojan
  • Runs ping.exe 1 TTPs 1 IoCs
  • Suspicious behavior: EnumeratesProcesses 64 IoCs
  • Suspicious behavior: MapViewOfSection 1 IoCs
  • Suspicious use of AdjustPrivilegeToken 64 IoCs
  • Suspicious use of FindShellTrayWindow 1 IoCs
  • Suspicious use of SetWindowsHookEx 5 IoCs
  • Suspicious use of WriteProcessMemory 64 IoCs

Processes

  • c:\windows\system32\svchost.exe
    c:\windows\system32\svchost.exe -k netsvcs -s gpsvc
    1⤵
      PID:1008
    • c:\windows\system32\svchost.exe
      c:\windows\system32\svchost.exe -k netsvcs -s Schedule
      1⤵
        PID:948
      • c:\windows\system32\svchost.exe
        c:\windows\system32\svchost.exe -k netsvcs -s ProfSvc
        1⤵
          PID:1088
        • c:\windows\system32\svchost.exe
          c:\windows\system32\svchost.exe -k netsvcs -s Themes
          1⤵
            PID:1256
          • c:\windows\system32\svchost.exe
            c:\windows\system32\svchost.exe -k netsvcs -s UserManager
            1⤵
              PID:1348
            • c:\windows\system32\svchost.exe
              c:\windows\system32\svchost.exe -k netsvcs -s SENS
              1⤵
                PID:1436
              • c:\windows\system32\svchost.exe
                c:\windows\system32\svchost.exe -k netsvcs -s ShellHWDetection
                1⤵
                  PID:1868
                • c:\windows\system32\svchost.exe
                  c:\windows\system32\svchost.exe -k netsvcs -s IKEEXT
                  1⤵
                    PID:2304
                  • c:\windows\system32\svchost.exe
                    c:\windows\system32\svchost.exe -k netsvcs -s LanmanServer
                    1⤵
                    • Suspicious use of AdjustPrivilegeToken
                    PID:2340
                  • c:\windows\system32\svchost.exe
                    c:\windows\system32\svchost.exe -k netsvcs -s Winmgmt
                    1⤵
                    • Suspicious use of AdjustPrivilegeToken
                    PID:2592
                  • c:\windows\system32\svchost.exe
                    c:\windows\system32\svchost.exe -k netsvcs -s WpnService
                    1⤵
                    • Modifies registry class
                    PID:2568
                  • c:\windows\system32\svchost.exe
                    c:\windows\system32\svchost.exe -k netsvcs -s Browser
                    1⤵
                      PID:2488
                    • C:\Users\Admin\AppData\Local\Temp\keygen-step-4d.exe
                      "C:\Users\Admin\AppData\Local\Temp\keygen-step-4d.exe"
                      1⤵
                      • Checks computer location settings
                      • Suspicious use of WriteProcessMemory
                      PID:1824
                      • C:\Users\Admin\AppData\Local\Temp\RarSFX0\xiuhuali.exe
                        "C:\Users\Admin\AppData\Local\Temp\RarSFX0\xiuhuali.exe"
                        2⤵
                        • Executes dropped EXE
                        • Drops file in Program Files directory
                        • Suspicious use of SetWindowsHookEx
                        • Suspicious use of WriteProcessMemory
                        PID:816
                        • C:\Windows\SysWOW64\rundll32.exe
                          "C:\Windows\System32\rundll32.exe" "C:\Program Files\install.dll",install
                          3⤵
                          • Loads dropped DLL
                          • Modifies registry class
                          • Suspicious behavior: EnumeratesProcesses
                          • Suspicious use of AdjustPrivilegeToken
                          • Suspicious use of WriteProcessMemory
                          PID:2316
                      • C:\Users\Admin\AppData\Local\Temp\RarSFX0\JoSetp.exe
                        "C:\Users\Admin\AppData\Local\Temp\RarSFX0\JoSetp.exe"
                        2⤵
                        • Executes dropped EXE
                        • Suspicious use of AdjustPrivilegeToken
                        PID:2620
                      • C:\Users\Admin\AppData\Local\Temp\RarSFX0\Install.exe
                        "C:\Users\Admin\AppData\Local\Temp\RarSFX0\Install.exe"
                        2⤵
                        • Executes dropped EXE
                        • Suspicious use of WriteProcessMemory
                        PID:3008
                        • C:\Users\Admin\AppData\Local\Temp\is-C9TBU.tmp\Install.tmp
                          "C:\Users\Admin\AppData\Local\Temp\is-C9TBU.tmp\Install.tmp" /SL5="$401B0,235791,152064,C:\Users\Admin\AppData\Local\Temp\RarSFX0\Install.exe"
                          3⤵
                          • Executes dropped EXE
                          • Loads dropped DLL
                          • Suspicious use of WriteProcessMemory
                          PID:1772
                          • C:\Users\Admin\AppData\Local\Temp\is-8BA30.tmp\Ultra.exe
                            "C:\Users\Admin\AppData\Local\Temp\is-8BA30.tmp\Ultra.exe" /S /UID=burnerch1
                            4⤵
                            • Drops file in Drivers directory
                            • Executes dropped EXE
                            • Adds Run key to start application
                            • Drops file in Program Files directory
                            • Suspicious use of AdjustPrivilegeToken
                            • Suspicious use of WriteProcessMemory
                            PID:2688
                            • C:\Program Files\Windows Mail\WSNHNBPRRB\ultramediaburner.exe
                              "C:\Program Files\Windows Mail\WSNHNBPRRB\ultramediaburner.exe" /VERYSILENT
                              5⤵
                              • Executes dropped EXE
                              • Suspicious use of WriteProcessMemory
                              PID:4256
                              • C:\Users\Admin\AppData\Local\Temp\is-IJ3EG.tmp\ultramediaburner.tmp
                                "C:\Users\Admin\AppData\Local\Temp\is-IJ3EG.tmp\ultramediaburner.tmp" /SL5="$301A0,281924,62464,C:\Program Files\Windows Mail\WSNHNBPRRB\ultramediaburner.exe" /VERYSILENT
                                6⤵
                                • Executes dropped EXE
                                • Drops file in Program Files directory
                                • Suspicious behavior: EnumeratesProcesses
                                • Suspicious use of FindShellTrayWindow
                                • Suspicious use of WriteProcessMemory
                                PID:4288
                                • C:\Program Files (x86)\UltraMediaBurner\UltraMediaBurner.exe
                                  "C:\Program Files (x86)\UltraMediaBurner\UltraMediaBurner.exe" -silent -desktopShortcut -programMenu
                                  7⤵
                                  • Executes dropped EXE
                                  PID:4372
                            • C:\Users\Admin\AppData\Local\Temp\54-21e30-066-7bf93-07470bbf255de\SHovypaedela.exe
                              "C:\Users\Admin\AppData\Local\Temp\54-21e30-066-7bf93-07470bbf255de\SHovypaedela.exe"
                              5⤵
                              • Executes dropped EXE
                              PID:4384
                            • C:\Users\Admin\AppData\Local\Temp\1c-7f5c4-4d2-3e789-8b58d88eac8f1\Monoquzhaeda.exe
                              "C:\Users\Admin\AppData\Local\Temp\1c-7f5c4-4d2-3e789-8b58d88eac8f1\Monoquzhaeda.exe"
                              5⤵
                              • Executes dropped EXE
                              • Suspicious behavior: EnumeratesProcesses
                              PID:4448
                      • C:\Users\Admin\AppData\Local\Temp\RarSFX0\filee.exe
                        "C:\Users\Admin\AppData\Local\Temp\RarSFX0\filee.exe"
                        2⤵
                        • Executes dropped EXE
                        • Modifies system certificate store
                        • Suspicious use of WriteProcessMemory
                        PID:4552
                        • C:\Windows\SysWOW64\cmd.exe
                          "C:\Windows\system32\cmd.exe" /c ping 127.0.0.1 && del "C:\Users\Admin\AppData\Local\Temp\RarSFX0\filee.exe" >> NUL
                          3⤵
                          • Suspicious use of WriteProcessMemory
                          PID:4820
                          • C:\Windows\SysWOW64\PING.EXE
                            ping 127.0.0.1
                            4⤵
                            • Runs ping.exe
                            PID:4868
                      • C:\Users\Admin\AppData\Local\Temp\RarSFX0\jg6_6asg.exe
                        "C:\Users\Admin\AppData\Local\Temp\RarSFX0\jg6_6asg.exe"
                        2⤵
                        • Executes dropped EXE
                        • Checks whether UAC is enabled
                        PID:4188
                      • C:\Users\Admin\AppData\Local\Temp\RarSFX0\gaoou.exe
                        "C:\Users\Admin\AppData\Local\Temp\RarSFX0\gaoou.exe"
                        2⤵
                        • Executes dropped EXE
                        • Adds Run key to start application
                        • Suspicious use of WriteProcessMemory
                        PID:4672
                        • C:\Users\Admin\AppData\Local\Temp\jfiag3g_gg.exe
                          C:\Users\Admin\AppData\Local\Temp\jfiag3g_gg.exe /scookiestxt C:\Users\Admin\AppData\Local\Temp\fj4ghga23_fsa.txt
                          3⤵
                          • Executes dropped EXE
                          PID:2532
                        • C:\Users\Admin\AppData\Local\Temp\jfiag3g_gg.exe
                          C:\Users\Admin\AppData\Local\Temp\jfiag3g_gg.exe /scookiestxt C:\Users\Admin\AppData\Local\Temp\fj4ghga23_fsa.txt
                          3⤵
                          • Executes dropped EXE
                          PID:4348
                    • \??\c:\windows\system32\svchost.exe
                      c:\windows\system32\svchost.exe -k netsvcs -s BITS
                      1⤵
                      • Suspicious use of SetThreadContext
                      • Modifies data under HKEY_USERS
                      • Modifies registry class
                      • Suspicious behavior: EnumeratesProcesses
                      • Suspicious use of AdjustPrivilegeToken
                      • Suspicious use of WriteProcessMemory
                      PID:3988
                      • C:\Windows\system32\svchost.exe
                        C:\Windows\system32\svchost.exe -k SystemNetworkService
                        2⤵
                        • Checks processor information in registry
                        • Modifies data under HKEY_USERS
                        PID:2248
                      • C:\Windows\system32\svchost.exe
                        C:\Windows\system32\svchost.exe -k SystemNetworkService
                        2⤵
                        • Drops file in System32 directory
                        • Checks processor information in registry
                        • Modifies data under HKEY_USERS
                        • Modifies registry class
                        PID:4164
                    • C:\Windows\SystemApps\Microsoft.MicrosoftEdge_8wekyb3d8bbwe\MicrosoftEdge.exe
                      "C:\Windows\SystemApps\Microsoft.MicrosoftEdge_8wekyb3d8bbwe\MicrosoftEdge.exe" -ServerName:MicrosoftEdge.AppXdnhjhccw3zf0j06tkg3jtqr00qdm0khc.mca
                      1⤵
                      • Drops file in Windows directory
                      • Modifies Internet Explorer settings
                      • Modifies registry class
                      • Suspicious use of SetWindowsHookEx
                      PID:5016
                    • C:\Windows\system32\browser_broker.exe
                      C:\Windows\system32\browser_broker.exe -Embedding
                      1⤵
                      • Modifies Internet Explorer settings
                      PID:5064
                    • C:\Windows\SystemApps\Microsoft.MicrosoftEdge_8wekyb3d8bbwe\MicrosoftEdgeCP.exe
                      "C:\Windows\SystemApps\Microsoft.MicrosoftEdge_8wekyb3d8bbwe\MicrosoftEdgeCP.exe" -ServerName:ContentProcess.AppX6z3cwk4fvgady6zya12j1cw28d228a7k.mca
                      1⤵
                      • Modifies registry class
                      • Suspicious behavior: MapViewOfSection
                      • Suspicious use of SetWindowsHookEx
                      PID:4336
                    • C:\Windows\SystemApps\Microsoft.MicrosoftEdge_8wekyb3d8bbwe\MicrosoftEdgeCP.exe
                      "C:\Windows\SystemApps\Microsoft.MicrosoftEdge_8wekyb3d8bbwe\MicrosoftEdgeCP.exe" -ServerName:ContentProcess.AppX6z3cwk4fvgady6zya12j1cw28d228a7k.mca
                      1⤵
                      • Modifies Internet Explorer settings
                      • Modifies registry class
                      PID:4560

                    Network

                    MITRE ATT&CK Enterprise v6

                    Replay Monitor

                    Loading Replay Monitor...

                    Downloads

                    • memory/948-160-0x000002607D100000-0x000002607D170000-memory.dmp

                      Filesize

                      448KB

                      Download

                    • memory/948-292-0x000002607D640000-0x000002607D6B0000-memory.dmp

                      Filesize

                      448KB

                      Download

                    • memory/1008-171-0x0000024AF7710000-0x0000024AF7780000-memory.dmp

                      Filesize

                      448KB

                      Download

                    • memory/1008-284-0x0000024AF7780000-0x0000024AF77F0000-memory.dmp

                      Filesize

                      448KB

                      Download

                    • memory/1088-154-0x000001FFCE870000-0x000001FFCE8E0000-memory.dmp

                      Filesize

                      448KB

                      Download

                    • memory/1088-290-0x000001FFCE910000-0x000001FFCE980000-memory.dmp

                      Filesize

                      448KB

                      Download

                    • memory/1256-177-0x000001C9FDB90000-0x000001C9FDC00000-memory.dmp

                      Filesize

                      448KB

                      Download

                    • memory/1256-298-0x000001C9FE110000-0x000001C9FE180000-memory.dmp

                      Filesize

                      448KB

                      Download

                    • memory/1348-186-0x000001BD98200000-0x000001BD98270000-memory.dmp

                      Filesize

                      448KB

                      Download

                    • memory/1436-166-0x0000029497B00000-0x0000029497B70000-memory.dmp

                      Filesize

                      448KB

                      Download

                    • memory/1436-294-0x0000029498040000-0x00000294980B0000-memory.dmp

                      Filesize

                      448KB

                      Download

                    • memory/1772-199-0x00000000001E0000-0x00000000001E1000-memory.dmp

                      Filesize

                      4KB

                      Download

                    • memory/1868-296-0x00000223F2FB0000-0x00000223F3020000-memory.dmp

                      Filesize

                      448KB

                      Download

                    • memory/1868-172-0x00000223F2550000-0x00000223F25C0000-memory.dmp

                      Filesize

                      448KB

                      Download

                    • memory/2248-165-0x0000020EDEE10000-0x0000020EDEE80000-memory.dmp

                      Filesize

                      448KB

                      Download

                    • memory/2304-143-0x00000174F0280000-0x00000174F02F0000-memory.dmp

                      Filesize

                      448KB

                      Download

                    • memory/2304-286-0x00000174F02F0000-0x00000174F0360000-memory.dmp

                      Filesize

                      448KB

                      Download

                    • memory/2316-142-0x00000000040E1000-0x00000000041E2000-memory.dmp

                      Filesize

                      1.0MB

                      Download

                    • memory/2316-147-0x0000000004250000-0x00000000042AC000-memory.dmp

                      Filesize

                      368KB

                      Download

                    • memory/2340-148-0x000001B23FFB0000-0x000001B240020000-memory.dmp

                      Filesize

                      448KB

                      Download

                    • memory/2340-145-0x000001B23F3A0000-0x000001B23F3EB000-memory.dmp

                      Filesize

                      300KB

                      Download

                    • memory/2340-288-0x000001B240090000-0x000001B240100000-memory.dmp

                      Filesize

                      448KB

                      Download

                    • memory/2488-161-0x000001ED2C1D0000-0x000001ED2C240000-memory.dmp

                      Filesize

                      448KB

                      Download

                    • memory/2488-282-0x000001ED2C2B0000-0x000001ED2C320000-memory.dmp

                      Filesize

                      448KB

                      Download

                    • memory/2568-190-0x0000020869550000-0x00000208695C0000-memory.dmp

                      Filesize

                      448KB

                      Download

                    • memory/2592-188-0x000001C46CD70000-0x000001C46CDE0000-memory.dmp

                      Filesize

                      448KB

                      Download

                    • memory/2620-178-0x0000000002510000-0x0000000002512000-memory.dmp

                      Filesize

                      8KB

                      Download

                    • memory/2620-126-0x0000000000480000-0x0000000000481000-memory.dmp

                      Filesize

                      4KB

                      Download

                    • memory/2620-132-0x0000000000B80000-0x0000000000B81000-memory.dmp

                      Filesize

                      4KB

                      Download

                    • memory/2620-140-0x0000000000B90000-0x0000000000B91000-memory.dmp

                      Filesize

                      4KB

                      Download

                    • memory/2620-136-0x0000000000CB0000-0x0000000000CCC000-memory.dmp

                      Filesize

                      112KB

                      Download

                    • memory/2688-203-0x0000000002880000-0x0000000002882000-memory.dmp

                      Filesize

                      8KB

                      Download

                    • memory/3008-193-0x0000000000400000-0x000000000042B000-memory.dmp

                      Filesize

                      172KB

                      Download

                    • memory/3988-153-0x0000024FC9350000-0x0000024FC93C0000-memory.dmp

                      Filesize

                      448KB

                      Download

                    • memory/4164-208-0x00000210E3040000-0x00000210E30B0000-memory.dmp

                      Filesize

                      448KB

                      Download

                    • memory/4164-207-0x00000210E2D90000-0x00000210E2DDB000-memory.dmp

                      Filesize

                      300KB

                      Download

                    • memory/4164-261-0x00000210E5600000-0x00000210E5705000-memory.dmp

                      Filesize

                      1.0MB

                      Download

                    • memory/4188-254-0x00000000036E0000-0x00000000036F0000-memory.dmp

                      Filesize

                      64KB

                      Download

                    • memory/4188-248-0x0000000003540000-0x0000000003550000-memory.dmp

                      Filesize

                      64KB

                      Download

                    • memory/4256-211-0x0000000000400000-0x0000000000416000-memory.dmp

                      Filesize

                      88KB

                      Download

                    • memory/4288-216-0x00000000001E0000-0x00000000001E1000-memory.dmp

                      Filesize

                      4KB

                      Download

                    • memory/4372-240-0x00000000008C4000-0x00000000008C5000-memory.dmp

                      Filesize

                      4KB

                      Download

                    • memory/4372-233-0x00000000008C2000-0x00000000008C4000-memory.dmp

                      Filesize

                      8KB

                      Download

                    • memory/4372-226-0x00000000008C0000-0x00000000008C2000-memory.dmp

                      Filesize

                      8KB

                      Download

                    • memory/4372-241-0x00000000008C5000-0x00000000008C7000-memory.dmp

                      Filesize

                      8KB

                      Download

                    • memory/4384-227-0x0000000002F40000-0x0000000002F42000-memory.dmp

                      Filesize

                      8KB

                      Download

                    • memory/4448-237-0x00000000026E2000-0x00000000026E4000-memory.dmp

                      Filesize

                      8KB

                      Download

                    • memory/4448-231-0x00000000026E0000-0x00000000026E2000-memory.dmp

                      Filesize

                      8KB

                      Download

                    • memory/4552-236-0x0000000000A40000-0x0000000000A4D000-memory.dmp

                      Filesize

                      52KB

                      Download