Analysis

  • max time kernel
    142s
  • max time network
    149s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20230915-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20230915-enlocale:en-usos:windows10-2004-x64system
  • submitted
    09/10/2023, 19:27

General

  • Target

    KMS.exe

  • Size

    1.7MB

  • MD5

    0f7ae75bde16c261d817cf6fab4e7770

  • SHA1

    030733fd3ed1ad22a1842ee53ffc7ae312652ecd

  • SHA256

    6d880189693cf93dd4ca145b0d3cc8e9295da375654d04ea68a5f67c9f62ae87

  • SHA512

    51698c963bd829c6875d6d70e4e3f44cd99b87bcb2b589f0a1d268cec008a07cd8d9182a51b0eb7714b8cd0c0261e1e279a0404ef59b5877a6e6d5f1c2f69f67

  • SSDEEP

    1536:RbEp4Z40d4I4I4I4I4I4I4I4I4V3424GI5Ac4dONlIKO67gHrc64hUQyOCH1Rog5:Rbnfu

Malware Config

Extracted

Family

netwire

C2

haija.mine.nu:1338

Attributes
  • activex_autorun

    false

  • copy_executable

    false

  • delete_original

    false

  • host_id

    Alien

  • keylogger_dir

    %AppData%\Logs\

  • lock_executable

    false

  • offline_keylogger

    true

  • password

    qays1122

  • registry_autorun

    false

  • use_mutex

    false

Signatures

  • Modifies WinLogon for persistence 2 TTPs 1 IoCs
  • Modifies Windows Defender Real-time Protection settings 3 TTPs 4 IoCs
  • NetWire RAT payload 4 IoCs
  • Netwire

    Netwire is a RAT with main functionalities focused password stealing and keylogging, but also includes remote control capabilities as well.

  • Turns off Windows Defender SpyNet reporting 2 TTPs
  • Windows security bypass 2 TTPs 3 IoCs
  • Checks computer location settings 2 TTPs 1 IoCs

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

  • Drops startup file 2 IoCs
  • Windows security modification 2 TTPs 11 IoCs
  • Adds Run key to start application 2 TTPs 2 IoCs
  • Legitimate hosting services abused for malware hosting/C2 1 TTPs
  • Suspicious use of NtSetInformationThreadHideFromDebugger 14 IoCs
  • Suspicious use of SetThreadContext 1 IoCs
  • Enumerates physical storage devices 1 TTPs

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

  • Program crash 1 IoCs
  • Delays execution with timeout.exe 2 IoCs
  • Suspicious behavior: EnumeratesProcesses 16 IoCs
  • Suspicious use of AdjustPrivilegeToken 5 IoCs
  • Suspicious use of WriteProcessMemory 36 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\KMS.exe
    "C:\Users\Admin\AppData\Local\Temp\KMS.exe"
    1⤵
    • Modifies WinLogon for persistence
    • Modifies Windows Defender Real-time Protection settings
    • Windows security bypass
    • Checks computer location settings
    • Drops startup file
    • Windows security modification
    • Adds Run key to start application
    • Suspicious use of NtSetInformationThreadHideFromDebugger
    • Suspicious use of SetThreadContext
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of WriteProcessMemory
    PID:3108
    • C:\Windows\SysWOW64\cmd.exe
      "cmd.exe" /c timeout 5
      2⤵
      • Suspicious use of WriteProcessMemory
      PID:3960
      • C:\Windows\SysWOW64\timeout.exe
        timeout 5
        3⤵
        • Delays execution with timeout.exe
        PID:4792
    • C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe
      "C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" Add-MpPreference -ExclusionPath "C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\KMS.exe" -Force
      2⤵
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      PID:1728
    • C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe
      "C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" Add-MpPreference -ExclusionPath "C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\KMS.exe" -Force
      2⤵
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      PID:3928
    • C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe
      "C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" Add-MpPreference -ExclusionPath "C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\KMS.exe" -Force
      2⤵
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      PID:3204
    • C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe
      "C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" Add-MpPreference -ExclusionPath "C:\Users\Admin\AppData\Local\Temp\KMS.exe" -Force
      2⤵
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      PID:1188
    • C:\Windows\SysWOW64\cmd.exe
      "C:\Windows\System32\cmd.exe" /c timeout 1
      2⤵
      • Suspicious use of WriteProcessMemory
      PID:3104
      • C:\Windows\SysWOW64\timeout.exe
        timeout 1
        3⤵
        • Delays execution with timeout.exe
        PID:1636
    • C:\Users\Admin\AppData\Local\Temp\KMS.exe
      "C:\Users\Admin\AppData\Local\Temp\KMS.exe"
      2⤵
        PID:2220
      • C:\Windows\SysWOW64\WerFault.exe
        C:\Windows\SysWOW64\WerFault.exe -u -p 3108 -s 2244
        2⤵
        • Program crash
        PID:2432
    • C:\Windows\SysWOW64\WerFault.exe
      C:\Windows\SysWOW64\WerFault.exe -pss -s 464 -p 3108 -ip 3108
      1⤵
        PID:4464

      Network

      MITRE ATT&CK Enterprise v15

      Replay Monitor

      Loading Replay Monitor...

      Downloads

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

        Filesize

        2KB

        MD5

        968cb9309758126772781b83adb8a28f

        SHA1

        8da30e71accf186b2ba11da1797cf67f8f78b47c

        SHA256

        92099c10776bb7e3f2a8d1b82d4d40d0c4627e4f1bf754a6e58dfd2c2e97042a

        SHA512

        4bd50732f8af4d688d95999bddfd296115d7033ddc38f86c9fb1f47fde202bffa27e9088bebcaa3064ca946af2f5c1ca6cbde49d0907f0005c7ab42874515dd3

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

        Filesize

        2KB

        MD5

        968cb9309758126772781b83adb8a28f

        SHA1

        8da30e71accf186b2ba11da1797cf67f8f78b47c

        SHA256

        92099c10776bb7e3f2a8d1b82d4d40d0c4627e4f1bf754a6e58dfd2c2e97042a

        SHA512

        4bd50732f8af4d688d95999bddfd296115d7033ddc38f86c9fb1f47fde202bffa27e9088bebcaa3064ca946af2f5c1ca6cbde49d0907f0005c7ab42874515dd3

      • C:\Users\Admin\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-NonInteractive

        Filesize

        18KB

        MD5

        7186a555eb7d39d33905e9375ee560b4

        SHA1

        c7e4de3ef3d60d1a07f3608ec9a9f55fc62081ad

        SHA256

        eac654157f70c9cf5dc363ad064d3f0c90e6aa8f98583165937a48f217f615da

        SHA512

        19dcacf9d2fb348e3fc38ce31ba0743d3acc62c91cacb028aa3f76c265aaba22fb4a6c25559eb23b8a940c7d4862bb86866681c918e1a080eb5ad7dd9752e19b

      • C:\Users\Admin\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-NonInteractive

        Filesize

        18KB

        MD5

        7186a555eb7d39d33905e9375ee560b4

        SHA1

        c7e4de3ef3d60d1a07f3608ec9a9f55fc62081ad

        SHA256

        eac654157f70c9cf5dc363ad064d3f0c90e6aa8f98583165937a48f217f615da

        SHA512

        19dcacf9d2fb348e3fc38ce31ba0743d3acc62c91cacb028aa3f76c265aaba22fb4a6c25559eb23b8a940c7d4862bb86866681c918e1a080eb5ad7dd9752e19b

      • C:\Users\Admin\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-NonInteractive

        Filesize

        18KB

        MD5

        0a25edaa27d535e857d3a700df9435f6

        SHA1

        370f53509862d9381a045523e9f47b153fefcb6b

        SHA256

        7c20ef9d623455bba431ed46c37ed4264c74652190040ef93f9a54ef6cabe3a6

        SHA512

        e7a352405f8a79a6440f14753ca1138a48ca32a0827ac851761a4bb02b1ffbbfcfae5d9af8ca8bd1d94db7731a7a479dad7818aa4bf7f3c43376d5b0f4811723

      • C:\Users\Admin\AppData\Local\Temp\__PSScriptPolicyTest_h2hdvnvc.mop.ps1

        Filesize

        60B

        MD5

        d17fe0a3f47be24a6453e9ef58c94641

        SHA1

        6ab83620379fc69f80c0242105ddffd7d98d5d9d

        SHA256

        96ad1146eb96877eab5942ae0736b82d8b5e2039a80d3d6932665c1a4c87dcf7

        SHA512

        5b592e58f26c264604f98f6aa12860758ce606d1c63220736cf0c779e4e18e3cec8706930a16c38b20161754d1017d1657d35258e58ca22b18f5b232880dec82

      • memory/1188-147-0x0000000075000000-0x00000000757B0000-memory.dmp

        Filesize

        7.7MB

      • memory/1188-64-0x00000000047E0000-0x00000000047F0000-memory.dmp

        Filesize

        64KB

      • memory/1188-74-0x00000000047E0000-0x00000000047F0000-memory.dmp

        Filesize

        64KB

      • memory/1188-106-0x0000000070050000-0x000000007009C000-memory.dmp

        Filesize

        304KB

      • memory/1188-82-0x000000007F910000-0x000000007F920000-memory.dmp

        Filesize

        64KB

      • memory/1188-12-0x00000000047E0000-0x00000000047F0000-memory.dmp

        Filesize

        64KB

      • memory/1188-60-0x0000000005D40000-0x0000000005D8C000-memory.dmp

        Filesize

        304KB

      • memory/1188-67-0x0000000075000000-0x00000000757B0000-memory.dmp

        Filesize

        7.7MB

      • memory/1188-15-0x0000000075000000-0x00000000757B0000-memory.dmp

        Filesize

        7.7MB

      • memory/1728-9-0x0000000002AE0000-0x0000000002B16000-memory.dmp

        Filesize

        216KB

      • memory/1728-130-0x0000000002BD0000-0x0000000002BE0000-memory.dmp

        Filesize

        64KB

      • memory/1728-108-0x0000000007490000-0x0000000007533000-memory.dmp

        Filesize

        652KB

      • memory/1728-19-0x0000000005350000-0x0000000005372000-memory.dmp

        Filesize

        136KB

      • memory/1728-124-0x0000000007A50000-0x0000000007AE6000-memory.dmp

        Filesize

        600KB

      • memory/1728-21-0x0000000005CB0000-0x0000000005D16000-memory.dmp

        Filesize

        408KB

      • memory/1728-127-0x0000000007A10000-0x0000000007A24000-memory.dmp

        Filesize

        80KB

      • memory/1728-42-0x0000000005E20000-0x0000000006174000-memory.dmp

        Filesize

        3.3MB

      • memory/1728-59-0x0000000005190000-0x00000000051AE000-memory.dmp

        Filesize

        120KB

      • memory/1728-120-0x0000000007E20000-0x000000000849A000-memory.dmp

        Filesize

        6.5MB

      • memory/1728-61-0x0000000075000000-0x00000000757B0000-memory.dmp

        Filesize

        7.7MB

      • memory/1728-71-0x0000000002BD0000-0x0000000002BE0000-memory.dmp

        Filesize

        64KB

      • memory/1728-75-0x0000000070050000-0x000000007009C000-memory.dmp

        Filesize

        304KB

      • memory/1728-7-0x0000000075000000-0x00000000757B0000-memory.dmp

        Filesize

        7.7MB

      • memory/1728-146-0x0000000075000000-0x00000000757B0000-memory.dmp

        Filesize

        7.7MB

      • memory/1728-107-0x000000007FDD0000-0x000000007FDE0000-memory.dmp

        Filesize

        64KB

      • memory/2220-148-0x0000000000400000-0x0000000000434000-memory.dmp

        Filesize

        208KB

      • memory/2220-68-0x0000000000400000-0x0000000000434000-memory.dmp

        Filesize

        208KB

      • memory/2220-70-0x0000000000400000-0x0000000000434000-memory.dmp

        Filesize

        208KB

      • memory/2220-118-0x0000000000400000-0x0000000000434000-memory.dmp

        Filesize

        208KB

      • memory/3108-18-0x0000000007B60000-0x0000000007B70000-memory.dmp

        Filesize

        64KB

      • memory/3108-0-0x0000000075000000-0x00000000757B0000-memory.dmp

        Filesize

        7.7MB

      • memory/3108-149-0x0000000075000000-0x00000000757B0000-memory.dmp

        Filesize

        7.7MB

      • memory/3108-6-0x0000000075000000-0x00000000757B0000-memory.dmp

        Filesize

        7.7MB

      • memory/3108-1-0x0000000000BB0000-0x0000000000D62000-memory.dmp

        Filesize

        1.7MB

      • memory/3108-4-0x0000000005190000-0x00000000051D6000-memory.dmp

        Filesize

        280KB

      • memory/3108-122-0x0000000007B60000-0x0000000007B70000-memory.dmp

        Filesize

        64KB

      • memory/3108-3-0x0000000005700000-0x000000000579C000-memory.dmp

        Filesize

        624KB

      • memory/3108-2-0x0000000005BD0000-0x0000000006174000-memory.dmp

        Filesize

        5.6MB

      • memory/3204-119-0x0000000002760000-0x0000000002770000-memory.dmp

        Filesize

        64KB

      • memory/3204-16-0x0000000002760000-0x0000000002770000-memory.dmp

        Filesize

        64KB

      • memory/3204-11-0x0000000075000000-0x00000000757B0000-memory.dmp

        Filesize

        7.7MB

      • memory/3204-17-0x00000000050F0000-0x0000000005718000-memory.dmp

        Filesize

        6.2MB

      • memory/3204-72-0x00000000066E0000-0x0000000006712000-memory.dmp

        Filesize

        200KB

      • memory/3204-63-0x0000000075000000-0x00000000757B0000-memory.dmp

        Filesize

        7.7MB

      • memory/3204-144-0x0000000075000000-0x00000000757B0000-memory.dmp

        Filesize

        7.7MB

      • memory/3204-20-0x0000000005790000-0x00000000057F6000-memory.dmp

        Filesize

        408KB

      • memory/3204-76-0x0000000070050000-0x000000007009C000-memory.dmp

        Filesize

        304KB

      • memory/3204-126-0x0000000007630000-0x000000000763E000-memory.dmp

        Filesize

        56KB

      • memory/3204-14-0x0000000002760000-0x0000000002770000-memory.dmp

        Filesize

        64KB

      • memory/3204-128-0x0000000007740000-0x000000000775A000-memory.dmp

        Filesize

        104KB

      • memory/3204-129-0x0000000007720000-0x0000000007728000-memory.dmp

        Filesize

        32KB

      • memory/3204-65-0x0000000002760000-0x0000000002770000-memory.dmp

        Filesize

        64KB

      • memory/3204-131-0x0000000002760000-0x0000000002770000-memory.dmp

        Filesize

        64KB

      • memory/3928-125-0x0000000007B50000-0x0000000007B61000-memory.dmp

        Filesize

        68KB

      • memory/3928-10-0x0000000005090000-0x00000000050A0000-memory.dmp

        Filesize

        64KB

      • memory/3928-8-0x0000000075000000-0x00000000757B0000-memory.dmp

        Filesize

        7.7MB

      • memory/3928-13-0x0000000005090000-0x00000000050A0000-memory.dmp

        Filesize

        64KB

      • memory/3928-123-0x00000000078A0000-0x00000000078AA000-memory.dmp

        Filesize

        40KB

      • memory/3928-145-0x0000000075000000-0x00000000757B0000-memory.dmp

        Filesize

        7.7MB

      • memory/3928-121-0x0000000007830000-0x000000000784A000-memory.dmp

        Filesize

        104KB

      • memory/3928-62-0x0000000075000000-0x00000000757B0000-memory.dmp

        Filesize

        7.7MB

      • memory/3928-87-0x0000000006AA0000-0x0000000006ABE000-memory.dmp

        Filesize

        120KB

      • memory/3928-66-0x0000000005090000-0x00000000050A0000-memory.dmp

        Filesize

        64KB

      • memory/3928-73-0x0000000070050000-0x000000007009C000-memory.dmp

        Filesize

        304KB