Analysis
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max time kernel
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max time network
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platform
windows10-2004_x64 -
resource
win10v2004-20220901-en -
resource tags
arch:x64arch:x86image:win10v2004-20220901-enlocale:en-usos:windows10-2004-x64system -
submitted
11-10-2022 01:50
Behavioral task
behavioral1
Sample
7178243ac9bbb97e7c14766c731a7ebe6a26be33394d8663b14547f43b3f695f.exe
Resource
win7-20220812-en
Behavioral task
behavioral2
Sample
7178243ac9bbb97e7c14766c731a7ebe6a26be33394d8663b14547f43b3f695f.exe
Resource
win10v2004-20220901-en
General
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Target
7178243ac9bbb97e7c14766c731a7ebe6a26be33394d8663b14547f43b3f695f.exe
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Size
270KB
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MD5
666aceb8bde75266d139136e34cbff40
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SHA1
4b183b98bd9c19bcd9f3a3bb5a69301a8c72bd1f
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SHA256
7178243ac9bbb97e7c14766c731a7ebe6a26be33394d8663b14547f43b3f695f
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SHA512
8596e28b92656cc4a919ad1c9e391294b64674d7876e0d384e639ad048d0ce4c09e1c857e68655d124d37bec61e4f0aae891227f37c3b00a7f87c8835ae6078b
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SSDEEP
6144:kWfCbohHv6mC21AAf3os6SC+vyJ65FrD1yyIchVjz5GEKQVfjixoSE:tfuopvBCSfYdN6yE55D1yyIcVPqQVfjJ
Malware Config
Signatures
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Modifies firewall policy service 2 TTPs 10 IoCs
description ioc Process Set value (str) \REGISTRY\MACHINE\SYSTEM\ControlSet001\Services\SharedAccess\Parameters\FirewallPolicy\StandardProfile\AuthorizedApplications\List\C:\Users\Admin\AppData\Roaming\winlogon.exe = "C:\\Users\\Admin\\AppData\\Roaming\\winlogon.exe:*:Enabled:Windows Messanger" reg.exe Key created \REGISTRY\MACHINE\SYSTEM\ControlSet001\Services\SharedAccess\Parameters\FirewallPolicy\StandardProfile reg.exe Key created \REGISTRY\MACHINE\SYSTEM\ControlSet001\Services\SharedAccess\Parameters\FirewallPolicy\StandardProfile\AuthorizedApplications reg.exe Key created \REGISTRY\MACHINE\SYSTEM\ControlSet001\Services\SharedAccess\Parameters\FirewallPolicy\StandardProfile reg.exe Set value (int) \REGISTRY\MACHINE\SYSTEM\ControlSet001\Services\SharedAccess\Parameters\FirewallPolicy\StandardProfile\DoNotAllowExceptions = "0" reg.exe Key created \REGISTRY\MACHINE\SYSTEM\ControlSet001\Services\SharedAccess\Parameters\FirewallPolicy\StandardProfile reg.exe Key created \REGISTRY\MACHINE\SYSTEM\ControlSet001\Services\SharedAccess\Parameters\FirewallPolicy\StandardProfile\AuthorizedApplications\List reg.exe Set value (str) \REGISTRY\MACHINE\SYSTEM\ControlSet001\Services\SharedAccess\Parameters\FirewallPolicy\StandardProfile\AuthorizedApplications\List\C:\Users\Admin\AppData\Roaming\darkeye-nosttingspersistent2.exe = "C:\\Users\\Admin\\AppData\\Roaming\\darkeye-nosttingspersistent2.exe:*:Enabled:Windows Messanger" reg.exe Set value (int) \REGISTRY\MACHINE\SYSTEM\ControlSet001\Services\SharedAccess\Parameters\FirewallPolicy\StandardProfile\DoNotAllowExceptions = "0" reg.exe Key created \REGISTRY\MACHINE\SYSTEM\ControlSet001\Services\SharedAccess\Parameters\FirewallPolicy\StandardProfile\AuthorizedApplications\List reg.exe -
Executes dropped EXE 3 IoCs
pid Process 724 winlogon.exe 4508 winlogon.exe 1764 winlogon.exe -
resource yara_rule upx behavioral2/memory/4152-134-0x0000000000400000-0x000000000058E000-memory.dmp upx behavioral2/files/0x0003000000022df5-139.dat upx behavioral2/files/0x0003000000022df5-140.dat upx behavioral2/memory/4152-141-0x0000000000400000-0x000000000058E000-memory.dmp upx behavioral2/memory/724-144-0x0000000000400000-0x000000000058E000-memory.dmp upx behavioral2/memory/4508-146-0x0000000000400000-0x000000000045D000-memory.dmp upx behavioral2/files/0x0003000000022df5-147.dat upx behavioral2/memory/4508-149-0x0000000000400000-0x000000000045D000-memory.dmp upx behavioral2/memory/4508-150-0x0000000000400000-0x000000000045D000-memory.dmp upx behavioral2/memory/1764-153-0x0000000000400000-0x0000000000409000-memory.dmp upx behavioral2/files/0x0003000000022df5-155.dat upx behavioral2/memory/1764-157-0x0000000000400000-0x0000000000409000-memory.dmp upx behavioral2/memory/1764-159-0x0000000000400000-0x0000000000409000-memory.dmp upx behavioral2/memory/724-160-0x0000000000400000-0x000000000058E000-memory.dmp upx behavioral2/memory/4508-167-0x0000000000400000-0x000000000045D000-memory.dmp upx behavioral2/memory/1764-168-0x0000000000400000-0x0000000000409000-memory.dmp upx behavioral2/memory/4508-173-0x0000000000400000-0x000000000045D000-memory.dmp upx -
Checks computer location settings 2 TTPs 1 IoCs
Looks up country code configured in the registry, likely geofence.
description ioc Process Key value queried \REGISTRY\USER\S-1-5-21-929662420-1054238289-2961194603-1000\Control Panel\International\Geo\Nation 7178243ac9bbb97e7c14766c731a7ebe6a26be33394d8663b14547f43b3f695f.exe -
Adds Run key to start application 2 TTPs 2 IoCs
description ioc Process Key created \REGISTRY\USER\S-1-5-21-929662420-1054238289-2961194603-1000\Software\Microsoft\Windows\CurrentVersion\Run reg.exe Set value (str) \REGISTRY\USER\S-1-5-21-929662420-1054238289-2961194603-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\Winlogon = "C:\\Users\\Admin\\AppData\\Roaming\\winlogon.exe" reg.exe -
Suspicious use of SetThreadContext 2 IoCs
description pid Process procid_target PID 724 set thread context of 4508 724 winlogon.exe 88 PID 724 set thread context of 1764 724 winlogon.exe 89 -
Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s). Likely ransomware behaviour.
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Modifies registry key 1 TTPs 4 IoCs
pid Process 5068 reg.exe 5060 reg.exe 1320 reg.exe 3972 reg.exe -
Suspicious use of AdjustPrivilegeToken 36 IoCs
description pid Process Token: 1 4508 winlogon.exe Token: SeCreateTokenPrivilege 4508 winlogon.exe Token: SeAssignPrimaryTokenPrivilege 4508 winlogon.exe Token: SeLockMemoryPrivilege 4508 winlogon.exe Token: SeIncreaseQuotaPrivilege 4508 winlogon.exe Token: SeMachineAccountPrivilege 4508 winlogon.exe Token: SeTcbPrivilege 4508 winlogon.exe Token: SeSecurityPrivilege 4508 winlogon.exe Token: SeTakeOwnershipPrivilege 4508 winlogon.exe Token: SeLoadDriverPrivilege 4508 winlogon.exe Token: SeSystemProfilePrivilege 4508 winlogon.exe Token: SeSystemtimePrivilege 4508 winlogon.exe Token: SeProfSingleProcessPrivilege 4508 winlogon.exe Token: SeIncBasePriorityPrivilege 4508 winlogon.exe Token: SeCreatePagefilePrivilege 4508 winlogon.exe Token: SeCreatePermanentPrivilege 4508 winlogon.exe Token: SeBackupPrivilege 4508 winlogon.exe Token: SeRestorePrivilege 4508 winlogon.exe Token: SeShutdownPrivilege 4508 winlogon.exe Token: SeDebugPrivilege 4508 winlogon.exe Token: SeAuditPrivilege 4508 winlogon.exe Token: SeSystemEnvironmentPrivilege 4508 winlogon.exe Token: SeChangeNotifyPrivilege 4508 winlogon.exe Token: SeRemoteShutdownPrivilege 4508 winlogon.exe Token: SeUndockPrivilege 4508 winlogon.exe Token: SeSyncAgentPrivilege 4508 winlogon.exe Token: SeEnableDelegationPrivilege 4508 winlogon.exe Token: SeManageVolumePrivilege 4508 winlogon.exe Token: SeImpersonatePrivilege 4508 winlogon.exe Token: SeCreateGlobalPrivilege 4508 winlogon.exe Token: 31 4508 winlogon.exe Token: 32 4508 winlogon.exe Token: 33 4508 winlogon.exe Token: 34 4508 winlogon.exe Token: 35 4508 winlogon.exe Token: SeDebugPrivilege 1764 winlogon.exe -
Suspicious use of SetWindowsHookEx 6 IoCs
pid Process 4152 7178243ac9bbb97e7c14766c731a7ebe6a26be33394d8663b14547f43b3f695f.exe 724 winlogon.exe 4508 winlogon.exe 4508 winlogon.exe 1764 winlogon.exe 4508 winlogon.exe -
Suspicious use of WriteProcessMemory 49 IoCs
description pid Process procid_target PID 4152 wrote to memory of 5092 4152 7178243ac9bbb97e7c14766c731a7ebe6a26be33394d8663b14547f43b3f695f.exe 83 PID 4152 wrote to memory of 5092 4152 7178243ac9bbb97e7c14766c731a7ebe6a26be33394d8663b14547f43b3f695f.exe 83 PID 4152 wrote to memory of 5092 4152 7178243ac9bbb97e7c14766c731a7ebe6a26be33394d8663b14547f43b3f695f.exe 83 PID 5092 wrote to memory of 4792 5092 cmd.exe 86 PID 5092 wrote to memory of 4792 5092 cmd.exe 86 PID 5092 wrote to memory of 4792 5092 cmd.exe 86 PID 4152 wrote to memory of 724 4152 7178243ac9bbb97e7c14766c731a7ebe6a26be33394d8663b14547f43b3f695f.exe 87 PID 4152 wrote to memory of 724 4152 7178243ac9bbb97e7c14766c731a7ebe6a26be33394d8663b14547f43b3f695f.exe 87 PID 4152 wrote to memory of 724 4152 7178243ac9bbb97e7c14766c731a7ebe6a26be33394d8663b14547f43b3f695f.exe 87 PID 724 wrote to memory of 4508 724 winlogon.exe 88 PID 724 wrote to memory of 4508 724 winlogon.exe 88 PID 724 wrote to memory of 4508 724 winlogon.exe 88 PID 724 wrote to memory of 4508 724 winlogon.exe 88 PID 724 wrote to memory of 4508 724 winlogon.exe 88 PID 724 wrote to memory of 4508 724 winlogon.exe 88 PID 724 wrote to memory of 4508 724 winlogon.exe 88 PID 724 wrote to memory of 4508 724 winlogon.exe 88 PID 724 wrote to memory of 1764 724 winlogon.exe 89 PID 724 wrote to memory of 1764 724 winlogon.exe 89 PID 724 wrote to memory of 1764 724 winlogon.exe 89 PID 724 wrote to memory of 1764 724 winlogon.exe 89 PID 724 wrote to memory of 1764 724 winlogon.exe 89 PID 724 wrote to memory of 1764 724 winlogon.exe 89 PID 724 wrote to memory of 1764 724 winlogon.exe 89 PID 724 wrote to memory of 1764 724 winlogon.exe 89 PID 4508 wrote to memory of 3700 4508 winlogon.exe 90 PID 4508 wrote to memory of 3700 4508 winlogon.exe 90 PID 4508 wrote to memory of 3700 4508 winlogon.exe 90 PID 4508 wrote to memory of 3472 4508 winlogon.exe 91 PID 4508 wrote to memory of 3472 4508 winlogon.exe 91 PID 4508 wrote to memory of 3472 4508 winlogon.exe 91 PID 4508 wrote to memory of 952 4508 winlogon.exe 94 PID 4508 wrote to memory of 952 4508 winlogon.exe 94 PID 4508 wrote to memory of 952 4508 winlogon.exe 94 PID 4508 wrote to memory of 1196 4508 winlogon.exe 95 PID 4508 wrote to memory of 1196 4508 winlogon.exe 95 PID 4508 wrote to memory of 1196 4508 winlogon.exe 95 PID 952 wrote to memory of 5068 952 cmd.exe 98 PID 952 wrote to memory of 5068 952 cmd.exe 98 PID 952 wrote to memory of 5068 952 cmd.exe 98 PID 1196 wrote to memory of 5060 1196 cmd.exe 99 PID 1196 wrote to memory of 5060 1196 cmd.exe 99 PID 1196 wrote to memory of 5060 1196 cmd.exe 99 PID 3700 wrote to memory of 1320 3700 cmd.exe 100 PID 3700 wrote to memory of 1320 3700 cmd.exe 100 PID 3700 wrote to memory of 1320 3700 cmd.exe 100 PID 3472 wrote to memory of 3972 3472 cmd.exe 101 PID 3472 wrote to memory of 3972 3472 cmd.exe 101 PID 3472 wrote to memory of 3972 3472 cmd.exe 101
Processes
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C:\Users\Admin\AppData\Local\Temp\7178243ac9bbb97e7c14766c731a7ebe6a26be33394d8663b14547f43b3f695f.exe"C:\Users\Admin\AppData\Local\Temp\7178243ac9bbb97e7c14766c731a7ebe6a26be33394d8663b14547f43b3f695f.exe"1⤵
- Checks computer location settings
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:4152 -
C:\Windows\SysWOW64\cmd.exeC:\Windows\system32\cmd.exe /c ""C:\Users\Admin\AppData\Local\Temp\XAxJS.bat" "2⤵
- Suspicious use of WriteProcessMemory
PID:5092 -
C:\Windows\SysWOW64\reg.exeREG ADD "HKCU\Software\Microsoft\Windows\CurrentVersion\Run" /v "Winlogon" /t REG_SZ /d "C:\Users\Admin\AppData\Roaming\winlogon.exe" /f3⤵
- Adds Run key to start application
PID:4792
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C:\Users\Admin\AppData\Roaming\winlogon.exe"C:\Users\Admin\AppData\Roaming\winlogon.exe"2⤵
- Executes dropped EXE
- Suspicious use of SetThreadContext
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:724 -
C:\Users\Admin\AppData\Roaming\winlogon.exeC:\Users\Admin\AppData\Roaming\winlogon.exe3⤵
- Executes dropped EXE
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:4508 -
C:\Windows\SysWOW64\cmd.execmd /c REG ADD HKLM\System\CurrentControlSet\Services\SharedAccess\Parameters\FirewallPolicy\StandardProfile /v "DoNotAllowExceptions" /t REG_DWORD /d "0" /f4⤵
- Suspicious use of WriteProcessMemory
PID:3700 -
C:\Windows\SysWOW64\reg.exeREG ADD HKLM\System\CurrentControlSet\Services\SharedAccess\Parameters\FirewallPolicy\StandardProfile /v "DoNotAllowExceptions" /t REG_DWORD /d "0" /f5⤵
- Modifies firewall policy service
- Modifies registry key
PID:1320
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C:\Windows\SysWOW64\cmd.execmd /c REG ADD HKLM\System\CurrentControlSet\Services\SharedAccess\Parameters\FirewallPolicy\StandardProfile\AuthorizedApplications\List /v "C:\Users\Admin\AppData\Roaming\winlogon.exe" /t REG_SZ /d "C:\Users\Admin\AppData\Roaming\winlogon.exe:*:Enabled:Windows Messanger" /f4⤵
- Suspicious use of WriteProcessMemory
PID:3472 -
C:\Windows\SysWOW64\reg.exeREG ADD HKLM\System\CurrentControlSet\Services\SharedAccess\Parameters\FirewallPolicy\StandardProfile\AuthorizedApplications\List /v "C:\Users\Admin\AppData\Roaming\winlogon.exe" /t REG_SZ /d "C:\Users\Admin\AppData\Roaming\winlogon.exe:*:Enabled:Windows Messanger" /f5⤵
- Modifies firewall policy service
- Modifies registry key
PID:3972
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C:\Windows\SysWOW64\cmd.execmd /c REG ADD HKLM\System\CurrentControlSet\Services\SharedAccess\Parameters\FirewallPolicy\StandardProfile /v "DoNotAllowExceptions" /t REG_DWORD /d "0" /f4⤵
- Suspicious use of WriteProcessMemory
PID:952 -
C:\Windows\SysWOW64\reg.exeREG ADD HKLM\System\CurrentControlSet\Services\SharedAccess\Parameters\FirewallPolicy\StandardProfile /v "DoNotAllowExceptions" /t REG_DWORD /d "0" /f5⤵
- Modifies firewall policy service
- Modifies registry key
PID:5068
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C:\Windows\SysWOW64\cmd.execmd /c REG ADD HKLM\System\CurrentControlSet\Services\SharedAccess\Parameters\FirewallPolicy\StandardProfile\AuthorizedApplications\List /v "C:\Users\Admin\AppData\Roaming\darkeye-nosttingspersistent2.exe" /t REG_SZ /d "C:\Users\Admin\AppData\Roaming\darkeye-nosttingspersistent2.exe:*:Enabled:Windows Messanger" /f4⤵
- Suspicious use of WriteProcessMemory
PID:1196 -
C:\Windows\SysWOW64\reg.exeREG ADD HKLM\System\CurrentControlSet\Services\SharedAccess\Parameters\FirewallPolicy\StandardProfile\AuthorizedApplications\List /v "C:\Users\Admin\AppData\Roaming\darkeye-nosttingspersistent2.exe" /t REG_SZ /d "C:\Users\Admin\AppData\Roaming\darkeye-nosttingspersistent2.exe:*:Enabled:Windows Messanger" /f5⤵
- Modifies firewall policy service
- Modifies registry key
PID:5060
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C:\Users\Admin\AppData\Roaming\winlogon.exeC:\Users\Admin\AppData\Roaming\winlogon.exe3⤵
- Executes dropped EXE
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of SetWindowsHookEx
PID:1764
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Network
MITRE ATT&CK Enterprise v6
Replay Monitor
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Downloads
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Filesize
138B
MD54da6717f2c70f4bd32ad33a227a2ff47
SHA13d7f7159e1f695bd469287d1ad4ffa0841b407a8
SHA256a12bb2e5d2fb0b3c400ce311fae72995a00b57a97d23e4b9effec47cff189d07
SHA5126765314054ad9bf2164058248f3d3a17775176925abbe4376aec030dca3a5e59be8b9e96139941fec2b2e1a9bff38f87abdb29ea09a299d8ab7e23ecec4083df
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Filesize
270KB
MD5e1541fba1cafdb84db2754cfe61c874f
SHA112acf3973d3e0937d4882da2e50a1fd50d70b361
SHA25628f46dbf189173542dbe623c007949678e6ccca9073a1663e559dddf450d63a3
SHA512c3aca70c7b425ee229ac050511730569a42e59b42ae5d7f09d3a58d284703f51e540c5dbfed686cbc0424f95a71da9a4144b52d6293a122f2ab6026451715eed
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Filesize
270KB
MD5e1541fba1cafdb84db2754cfe61c874f
SHA112acf3973d3e0937d4882da2e50a1fd50d70b361
SHA25628f46dbf189173542dbe623c007949678e6ccca9073a1663e559dddf450d63a3
SHA512c3aca70c7b425ee229ac050511730569a42e59b42ae5d7f09d3a58d284703f51e540c5dbfed686cbc0424f95a71da9a4144b52d6293a122f2ab6026451715eed
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Filesize
270KB
MD5e1541fba1cafdb84db2754cfe61c874f
SHA112acf3973d3e0937d4882da2e50a1fd50d70b361
SHA25628f46dbf189173542dbe623c007949678e6ccca9073a1663e559dddf450d63a3
SHA512c3aca70c7b425ee229ac050511730569a42e59b42ae5d7f09d3a58d284703f51e540c5dbfed686cbc0424f95a71da9a4144b52d6293a122f2ab6026451715eed
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Filesize
270KB
MD5e1541fba1cafdb84db2754cfe61c874f
SHA112acf3973d3e0937d4882da2e50a1fd50d70b361
SHA25628f46dbf189173542dbe623c007949678e6ccca9073a1663e559dddf450d63a3
SHA512c3aca70c7b425ee229ac050511730569a42e59b42ae5d7f09d3a58d284703f51e540c5dbfed686cbc0424f95a71da9a4144b52d6293a122f2ab6026451715eed