Analysis
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max time kernel
148s -
max time network
143s -
platform
windows10-2004_x64 -
resource
win10v2004-20240802-en -
resource tags
arch:x64arch:x86image:win10v2004-20240802-enlocale:en-usos:windows10-2004-x64system -
submitted
14/09/2024, 11:46
Behavioral task
behavioral1
Sample
d127438f40faf4bb94445ce312f8acf0N.exe
Resource
win7-20240903-en
Behavioral task
behavioral2
Sample
d127438f40faf4bb94445ce312f8acf0N.exe
Resource
win10v2004-20240802-en
General
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Target
d127438f40faf4bb94445ce312f8acf0N.exe
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Size
1.9MB
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MD5
d127438f40faf4bb94445ce312f8acf0
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SHA1
52c33cd24893a76a6112cebc20896f6060546a37
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SHA256
586359221ed79aefdcaaad54b61d6a19882396160a002e8dbaa441c63a022f81
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SHA512
28348c106d553e2fd15ed3154ada30f9cb23bccfbbf6e8c6c31fbfc2b7102b7a3d76e181536037f366ad188c65218ba5fcdd51406ddb9e18622212f5f2e5961a
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SSDEEP
49152:CLIUXQgBiI6i2KFU0yBfM7a9QDosGeo403e0CpcKYGIDlWIwRBOn5PvGYKMf/1Zu:SIUXQgBiI6i2KFU0yBfM7a9QDosGeo4d
Malware Config
Signatures
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Modifies firewall policy service 3 TTPs 10 IoCs
description ioc Process 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\AuthorizedApplications\List reg.exe Set value (str) \REGISTRY\MACHINE\SYSTEM\ControlSet001\Services\SharedAccess\Parameters\FirewallPolicy\StandardProfile\AuthorizedApplications\List\C:\Users\Admin\AppData\Roaming\svhost32.exe = "C:\\Users\\Admin\\AppData\\Roaming\\svhost32.exe:*:Enabled:Windows Messanger" reg.exe Key created \REGISTRY\MACHINE\SYSTEM\ControlSet001\Services\SharedAccess\Parameters\FirewallPolicy\StandardProfile\AuthorizedApplications\List 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 Set value (str) \REGISTRY\MACHINE\SYSTEM\ControlSet001\Services\SharedAccess\Parameters\FirewallPolicy\StandardProfile\AuthorizedApplications\List\C:\Users\Admin\AppData\Roaming\csrs.exe = "C:\\Users\\Admin\\AppData\\Roaming\\csrs.exe:*:Enabled:Windows Messanger" 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 -
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-1-5-21-2412658365-3084825385-3340777666-1000\Control Panel\International\Geo\Nation d127438f40faf4bb94445ce312f8acf0N.exe -
Executes dropped EXE 3 IoCs
pid Process 2152 HGBAy.exe 4600 csrs.exe 2452 csrs.exe -
resource yara_rule behavioral2/memory/4528-0-0x0000000000400000-0x00000000005DD000-memory.dmp upx behavioral2/files/0x0009000000023433-7.dat upx behavioral2/memory/2152-11-0x0000000000400000-0x0000000000417000-memory.dmp upx behavioral2/files/0x0009000000023437-25.dat upx behavioral2/memory/4528-37-0x0000000000400000-0x00000000005DD000-memory.dmp upx behavioral2/memory/2452-40-0x0000000000400000-0x000000000045D000-memory.dmp upx behavioral2/memory/2452-45-0x0000000000400000-0x000000000045D000-memory.dmp upx behavioral2/memory/4600-49-0x0000000000400000-0x00000000005DD000-memory.dmp upx behavioral2/memory/2452-43-0x0000000000400000-0x000000000045D000-memory.dmp upx behavioral2/memory/2152-52-0x0000000000400000-0x0000000000417000-memory.dmp upx behavioral2/memory/2452-53-0x0000000000400000-0x000000000045D000-memory.dmp upx behavioral2/memory/2452-57-0x0000000000400000-0x000000000045D000-memory.dmp upx behavioral2/memory/2452-60-0x0000000000400000-0x000000000045D000-memory.dmp upx behavioral2/memory/2452-62-0x0000000000400000-0x000000000045D000-memory.dmp upx behavioral2/memory/2452-64-0x0000000000400000-0x000000000045D000-memory.dmp upx behavioral2/memory/2452-67-0x0000000000400000-0x000000000045D000-memory.dmp upx behavioral2/memory/2452-69-0x0000000000400000-0x000000000045D000-memory.dmp upx behavioral2/memory/2452-74-0x0000000000400000-0x000000000045D000-memory.dmp upx behavioral2/memory/2452-76-0x0000000000400000-0x000000000045D000-memory.dmp upx behavioral2/memory/2452-78-0x0000000000400000-0x000000000045D000-memory.dmp upx behavioral2/memory/2452-83-0x0000000000400000-0x000000000045D000-memory.dmp upx -
Adds Run key to start application 2 TTPs 1 IoCs
description ioc Process Set value (str) \REGISTRY\USER\S-1-5-21-2412658365-3084825385-3340777666-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\csrs = "C:\\Users\\Admin\\AppData\\Roaming\\csrs.exe" reg.exe -
Suspicious use of SetThreadContext 1 IoCs
description pid Process procid_target PID 4600 set thread context of 2452 4600 csrs.exe 92 -
Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s).
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System Location Discovery: System Language Discovery 1 TTPs 14 IoCs
Attempt gather information about the system language of a victim in order to infer the geographical location of that host.
description ioc Process Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language d127438f40faf4bb94445ce312f8acf0N.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language reg.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language reg.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language HGBAy.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language csrs.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language cmd.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language cmd.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language cmd.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language cmd.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language reg.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language reg.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language cmd.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language csrs.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language reg.exe -
Modifies registry key 1 TTPs 4 IoCs
pid Process 4500 reg.exe 2252 reg.exe 3980 reg.exe 2516 reg.exe -
Suspicious use of AdjustPrivilegeToken 35 IoCs
description pid Process Token: 1 2452 csrs.exe Token: SeCreateTokenPrivilege 2452 csrs.exe Token: SeAssignPrimaryTokenPrivilege 2452 csrs.exe Token: SeLockMemoryPrivilege 2452 csrs.exe Token: SeIncreaseQuotaPrivilege 2452 csrs.exe Token: SeMachineAccountPrivilege 2452 csrs.exe Token: SeTcbPrivilege 2452 csrs.exe Token: SeSecurityPrivilege 2452 csrs.exe Token: SeTakeOwnershipPrivilege 2452 csrs.exe Token: SeLoadDriverPrivilege 2452 csrs.exe Token: SeSystemProfilePrivilege 2452 csrs.exe Token: SeSystemtimePrivilege 2452 csrs.exe Token: SeProfSingleProcessPrivilege 2452 csrs.exe Token: SeIncBasePriorityPrivilege 2452 csrs.exe Token: SeCreatePagefilePrivilege 2452 csrs.exe Token: SeCreatePermanentPrivilege 2452 csrs.exe Token: SeBackupPrivilege 2452 csrs.exe Token: SeRestorePrivilege 2452 csrs.exe Token: SeShutdownPrivilege 2452 csrs.exe Token: SeDebugPrivilege 2452 csrs.exe Token: SeAuditPrivilege 2452 csrs.exe Token: SeSystemEnvironmentPrivilege 2452 csrs.exe Token: SeChangeNotifyPrivilege 2452 csrs.exe Token: SeRemoteShutdownPrivilege 2452 csrs.exe Token: SeUndockPrivilege 2452 csrs.exe Token: SeSyncAgentPrivilege 2452 csrs.exe Token: SeEnableDelegationPrivilege 2452 csrs.exe Token: SeManageVolumePrivilege 2452 csrs.exe Token: SeImpersonatePrivilege 2452 csrs.exe Token: SeCreateGlobalPrivilege 2452 csrs.exe Token: 31 2452 csrs.exe Token: 32 2452 csrs.exe Token: 33 2452 csrs.exe Token: 34 2452 csrs.exe Token: 35 2452 csrs.exe -
Suspicious use of SetWindowsHookEx 5 IoCs
pid Process 4528 d127438f40faf4bb94445ce312f8acf0N.exe 4600 csrs.exe 2452 csrs.exe 2452 csrs.exe 2452 csrs.exe -
Suspicious use of WriteProcessMemory 44 IoCs
description pid Process procid_target PID 4528 wrote to memory of 2152 4528 d127438f40faf4bb94445ce312f8acf0N.exe 86 PID 4528 wrote to memory of 2152 4528 d127438f40faf4bb94445ce312f8acf0N.exe 86 PID 4528 wrote to memory of 2152 4528 d127438f40faf4bb94445ce312f8acf0N.exe 86 PID 4528 wrote to memory of 2664 4528 d127438f40faf4bb94445ce312f8acf0N.exe 88 PID 4528 wrote to memory of 2664 4528 d127438f40faf4bb94445ce312f8acf0N.exe 88 PID 4528 wrote to memory of 2664 4528 d127438f40faf4bb94445ce312f8acf0N.exe 88 PID 2664 wrote to memory of 4724 2664 cmd.exe 90 PID 2664 wrote to memory of 4724 2664 cmd.exe 90 PID 2664 wrote to memory of 4724 2664 cmd.exe 90 PID 4528 wrote to memory of 4600 4528 d127438f40faf4bb94445ce312f8acf0N.exe 91 PID 4528 wrote to memory of 4600 4528 d127438f40faf4bb94445ce312f8acf0N.exe 91 PID 4528 wrote to memory of 4600 4528 d127438f40faf4bb94445ce312f8acf0N.exe 91 PID 4600 wrote to memory of 2452 4600 csrs.exe 92 PID 4600 wrote to memory of 2452 4600 csrs.exe 92 PID 4600 wrote to memory of 2452 4600 csrs.exe 92 PID 4600 wrote to memory of 2452 4600 csrs.exe 92 PID 4600 wrote to memory of 2452 4600 csrs.exe 92 PID 4600 wrote to memory of 2452 4600 csrs.exe 92 PID 4600 wrote to memory of 2452 4600 csrs.exe 92 PID 4600 wrote to memory of 2452 4600 csrs.exe 92 PID 2452 wrote to memory of 3504 2452 csrs.exe 93 PID 2452 wrote to memory of 3504 2452 csrs.exe 93 PID 2452 wrote to memory of 3504 2452 csrs.exe 93 PID 2452 wrote to memory of 1708 2452 csrs.exe 94 PID 2452 wrote to memory of 1708 2452 csrs.exe 94 PID 2452 wrote to memory of 1708 2452 csrs.exe 94 PID 2452 wrote to memory of 5024 2452 csrs.exe 95 PID 2452 wrote to memory of 5024 2452 csrs.exe 95 PID 2452 wrote to memory of 5024 2452 csrs.exe 95 PID 2452 wrote to memory of 4088 2452 csrs.exe 96 PID 2452 wrote to memory of 4088 2452 csrs.exe 96 PID 2452 wrote to memory of 4088 2452 csrs.exe 96 PID 1708 wrote to memory of 2252 1708 cmd.exe 101 PID 1708 wrote to memory of 2252 1708 cmd.exe 101 PID 1708 wrote to memory of 2252 1708 cmd.exe 101 PID 3504 wrote to memory of 3980 3504 cmd.exe 102 PID 3504 wrote to memory of 3980 3504 cmd.exe 102 PID 3504 wrote to memory of 3980 3504 cmd.exe 102 PID 5024 wrote to memory of 2516 5024 cmd.exe 103 PID 5024 wrote to memory of 2516 5024 cmd.exe 103 PID 5024 wrote to memory of 2516 5024 cmd.exe 103 PID 4088 wrote to memory of 4500 4088 cmd.exe 104 PID 4088 wrote to memory of 4500 4088 cmd.exe 104 PID 4088 wrote to memory of 4500 4088 cmd.exe 104
Processes
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C:\Users\Admin\AppData\Local\Temp\d127438f40faf4bb94445ce312f8acf0N.exe"C:\Users\Admin\AppData\Local\Temp\d127438f40faf4bb94445ce312f8acf0N.exe"1⤵
- Checks computer location settings
- System Location Discovery: System Language Discovery
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:4528 -
C:\Users\Admin\AppData\Local\Temp\HGBAy.exe"C:\Users\Admin\AppData\Local\Temp\HGBAy.exe"2⤵
- Executes dropped EXE
- System Location Discovery: System Language Discovery
PID:2152
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C:\Windows\SysWOW64\cmd.exeC:\Windows\system32\cmd.exe /c ""C:\Users\Admin\AppData\Local\Temp\dVQAy.bat" "2⤵
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:2664 -
C:\Windows\SysWOW64\reg.exeREG ADD "HKCU\Software\Microsoft\Windows\CurrentVersion\Run" /v "csrs" /t REG_SZ /d "C:\Users\Admin\AppData\Roaming\csrs.exe" /f3⤵
- Adds Run key to start application
- System Location Discovery: System Language Discovery
PID:4724
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C:\Users\Admin\AppData\Roaming\csrs.exe"C:\Users\Admin\AppData\Roaming\csrs.exe"2⤵
- Executes dropped EXE
- Suspicious use of SetThreadContext
- System Location Discovery: System Language Discovery
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:4600 -
C:\Users\Admin\AppData\Roaming\csrs.exeC:\Users\Admin\AppData\Roaming\csrs.exe3⤵
- Executes dropped EXE
- System Location Discovery: System Language Discovery
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:2452 -
C:\Windows\SysWOW64\cmd.execmd /c REG ADD HKLM\System\CurrentControlSet\Services\SharedAccess\Parameters\FirewallPolicy\StandardProfile /v "DoNotAllowExceptions" /t REG_DWORD /d "0" /f4⤵
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:3504 -
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
- System Location Discovery: System Language Discovery
- Modifies registry key
PID:3980
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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\csrs.exe" /t REG_SZ /d "C:\Users\Admin\AppData\Roaming\csrs.exe:*:Enabled:Windows Messanger" /f4⤵
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:1708 -
C:\Windows\SysWOW64\reg.exeREG ADD HKLM\System\CurrentControlSet\Services\SharedAccess\Parameters\FirewallPolicy\StandardProfile\AuthorizedApplications\List /v "C:\Users\Admin\AppData\Roaming\csrs.exe" /t REG_SZ /d "C:\Users\Admin\AppData\Roaming\csrs.exe:*:Enabled:Windows Messanger" /f5⤵
- Modifies firewall policy service
- System Location Discovery: System Language Discovery
- Modifies registry key
PID:2252
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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⤵
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:5024 -
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
- System Location Discovery: System Language Discovery
- Modifies registry key
PID:2516
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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\svhost32.exe" /t REG_SZ /d "C:\Users\Admin\AppData\Roaming\svhost32.exe:*:Enabled:Windows Messanger" /f4⤵
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:4088 -
C:\Windows\SysWOW64\reg.exeREG ADD HKLM\System\CurrentControlSet\Services\SharedAccess\Parameters\FirewallPolicy\StandardProfile\AuthorizedApplications\List /v "C:\Users\Admin\AppData\Roaming\svhost32.exe" /t REG_SZ /d "C:\Users\Admin\AppData\Roaming\svhost32.exe:*:Enabled:Windows Messanger" /f5⤵
- Modifies firewall policy service
- System Location Discovery: System Language Discovery
- Modifies registry key
PID:4500
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Network
MITRE ATT&CK Enterprise v15
Persistence
Boot or Logon Autostart Execution
1Registry Run Keys / Startup Folder
1Create or Modify System Process
1Windows Service
1Privilege Escalation
Boot or Logon Autostart Execution
1Registry Run Keys / Startup Folder
1Create or Modify System Process
1Windows Service
1Defense Evasion
Impair Defenses
1Disable or Modify System Firewall
1Modify Registry
3Replay Monitor
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Downloads
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Filesize
12KB
MD5466773bfcbd01059584cdae36e3c281c
SHA181e68615ef27cf363d6fe96582433c8a7ce8043b
SHA25621f0910a1d71dfc63744474b2ba6b8248d893226576ea48791dc0cef7dd52105
SHA5121088e7180a7d4ed717307c03884aebd945c5f78ffd6c4a4d7e84e504dc2da0434fe4173c63f1afd5a57e83e1783b3359ce123e85bb62699fb663bc9b1c02129f
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Filesize
130B
MD534a635bb69f9dc2d8e8ceba2f6b25308
SHA166bbd6b4eb975af0a799c6be7aaed6917f5df10c
SHA256eb18b0e443ffb00db0eb4438c0d3ec49cf67c3b7cbc9da8e25c60298c970a59a
SHA512ae355a265391afe02a37d82ffb0df6664788dc4aee975678aeb524ff47f889d1e5ecab42b073093d71494c9868276dc9794d4bebce4c967d866b189c136a9545
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Filesize
1.9MB
MD53788ba69fb28ee79c3950cdfb887a3e6
SHA19093b1ba68c891b3644a34693cb023e5bfcb390f
SHA256cc2eb77fb6f07aacf43c94b9b87601c39dbf2e63f1860508dfe0356c77c38853
SHA5129886615a39720fd261a70d871acdc62b03e681add6924e14316c130986132865e4f27810d2a7e2cae887bc42f8891fa62e40fe570ac3f3f2cee0626b2524d694