Analysis
-
max time kernel
117s -
max time network
110s -
platform
windows10-2004_x64 -
resource
win10v2004-20241007-en -
resource tags
arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-x64system -
submitted
12/11/2024, 11:49
Behavioral task
behavioral1
Sample
791cc8b5150b5d224858062fecee0b202bc1dda178c428dbf99987fd0e46c46fN.exe
Resource
win7-20240729-en
Behavioral task
behavioral2
Sample
791cc8b5150b5d224858062fecee0b202bc1dda178c428dbf99987fd0e46c46fN.exe
Resource
win10v2004-20241007-en
General
-
Target
791cc8b5150b5d224858062fecee0b202bc1dda178c428dbf99987fd0e46c46fN.exe
-
Size
1.9MB
-
MD5
d30c418dd9828690dd8d7cd6f8eacde0
-
SHA1
2cec53c79697648abbbc78587f879093d1640e77
-
SHA256
791cc8b5150b5d224858062fecee0b202bc1dda178c428dbf99987fd0e46c46f
-
SHA512
6e6c9629d711c5af37e0ad60f22c3d2158b5b0ce4a4de49bff1b3ebdc8d456c8b6f66d3875858ee1e20ab1609018d207f05358ce88c1638cbd0d6104ecaffef7
-
SSDEEP
49152:CLIUXQgBiI6i2KFU0yBfM7a9QDosGeo403e0CpcKYGIDlWIwRBOn5PvGYKMf/1Zx:SIUXQgBiI6i2KFU0yBfM7a9QDosGeo40
Malware Config
Signatures
-
Modifies firewall policy service 3 TTPs 10 IoCs
description ioc Process 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\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 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 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 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-1-5-21-3442511616-637977696-3186306149-1000\Control Panel\International\Geo\Nation 791cc8b5150b5d224858062fecee0b202bc1dda178c428dbf99987fd0e46c46fN.exe -
Executes dropped EXE 3 IoCs
pid Process 3452 Xsuxh.exe 2024 csrs.exe 4116 csrs.exe -
Adds Run key to start application 2 TTPs 1 IoCs
description ioc Process Set value (str) \REGISTRY\USER\S-1-5-21-3442511616-637977696-3186306149-1000\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 2024 set thread context of 4116 2024 csrs.exe 92 -
resource yara_rule behavioral2/memory/4716-0-0x0000000000400000-0x00000000005DD000-memory.dmp upx behavioral2/files/0x0008000000023cac-7.dat upx behavioral2/memory/3452-10-0x0000000000400000-0x0000000000417000-memory.dmp upx behavioral2/files/0x0009000000023cad-25.dat upx behavioral2/memory/4716-37-0x0000000000400000-0x00000000005DD000-memory.dmp upx behavioral2/memory/4116-40-0x0000000000400000-0x000000000045D000-memory.dmp upx behavioral2/memory/4116-43-0x0000000000400000-0x000000000045D000-memory.dmp upx behavioral2/memory/4116-45-0x0000000000400000-0x000000000045D000-memory.dmp upx behavioral2/memory/2024-46-0x0000000000400000-0x00000000005DD000-memory.dmp upx behavioral2/memory/3452-52-0x0000000000400000-0x0000000000417000-memory.dmp upx behavioral2/memory/4116-54-0x0000000000400000-0x000000000045D000-memory.dmp upx behavioral2/memory/4116-57-0x0000000000400000-0x000000000045D000-memory.dmp upx behavioral2/memory/4116-59-0x0000000000400000-0x000000000045D000-memory.dmp upx behavioral2/memory/4116-62-0x0000000000400000-0x000000000045D000-memory.dmp upx behavioral2/memory/4116-64-0x0000000000400000-0x000000000045D000-memory.dmp upx behavioral2/memory/4116-67-0x0000000000400000-0x000000000045D000-memory.dmp upx behavioral2/memory/4116-69-0x0000000000400000-0x000000000045D000-memory.dmp upx behavioral2/memory/4116-71-0x0000000000400000-0x000000000045D000-memory.dmp upx behavioral2/memory/4116-76-0x0000000000400000-0x000000000045D000-memory.dmp upx behavioral2/memory/4116-78-0x0000000000400000-0x000000000045D000-memory.dmp upx -
Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s).
-
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 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 csrs.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 reg.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language 791cc8b5150b5d224858062fecee0b202bc1dda178c428dbf99987fd0e46c46fN.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language Xsuxh.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 reg.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language reg.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language cmd.exe -
Modifies registry key 1 TTPs 4 IoCs
pid Process 4444 reg.exe 1496 reg.exe 4392 reg.exe 316 reg.exe -
Suspicious use of AdjustPrivilegeToken 35 IoCs
description pid Process Token: 1 4116 csrs.exe Token: SeCreateTokenPrivilege 4116 csrs.exe Token: SeAssignPrimaryTokenPrivilege 4116 csrs.exe Token: SeLockMemoryPrivilege 4116 csrs.exe Token: SeIncreaseQuotaPrivilege 4116 csrs.exe Token: SeMachineAccountPrivilege 4116 csrs.exe Token: SeTcbPrivilege 4116 csrs.exe Token: SeSecurityPrivilege 4116 csrs.exe Token: SeTakeOwnershipPrivilege 4116 csrs.exe Token: SeLoadDriverPrivilege 4116 csrs.exe Token: SeSystemProfilePrivilege 4116 csrs.exe Token: SeSystemtimePrivilege 4116 csrs.exe Token: SeProfSingleProcessPrivilege 4116 csrs.exe Token: SeIncBasePriorityPrivilege 4116 csrs.exe Token: SeCreatePagefilePrivilege 4116 csrs.exe Token: SeCreatePermanentPrivilege 4116 csrs.exe Token: SeBackupPrivilege 4116 csrs.exe Token: SeRestorePrivilege 4116 csrs.exe Token: SeShutdownPrivilege 4116 csrs.exe Token: SeDebugPrivilege 4116 csrs.exe Token: SeAuditPrivilege 4116 csrs.exe Token: SeSystemEnvironmentPrivilege 4116 csrs.exe Token: SeChangeNotifyPrivilege 4116 csrs.exe Token: SeRemoteShutdownPrivilege 4116 csrs.exe Token: SeUndockPrivilege 4116 csrs.exe Token: SeSyncAgentPrivilege 4116 csrs.exe Token: SeEnableDelegationPrivilege 4116 csrs.exe Token: SeManageVolumePrivilege 4116 csrs.exe Token: SeImpersonatePrivilege 4116 csrs.exe Token: SeCreateGlobalPrivilege 4116 csrs.exe Token: 31 4116 csrs.exe Token: 32 4116 csrs.exe Token: 33 4116 csrs.exe Token: 34 4116 csrs.exe Token: 35 4116 csrs.exe -
Suspicious use of SetWindowsHookEx 5 IoCs
pid Process 4716 791cc8b5150b5d224858062fecee0b202bc1dda178c428dbf99987fd0e46c46fN.exe 2024 csrs.exe 4116 csrs.exe 4116 csrs.exe 4116 csrs.exe -
Suspicious use of WriteProcessMemory 44 IoCs
description pid Process procid_target PID 4716 wrote to memory of 3452 4716 791cc8b5150b5d224858062fecee0b202bc1dda178c428dbf99987fd0e46c46fN.exe 85 PID 4716 wrote to memory of 3452 4716 791cc8b5150b5d224858062fecee0b202bc1dda178c428dbf99987fd0e46c46fN.exe 85 PID 4716 wrote to memory of 3452 4716 791cc8b5150b5d224858062fecee0b202bc1dda178c428dbf99987fd0e46c46fN.exe 85 PID 4716 wrote to memory of 464 4716 791cc8b5150b5d224858062fecee0b202bc1dda178c428dbf99987fd0e46c46fN.exe 88 PID 4716 wrote to memory of 464 4716 791cc8b5150b5d224858062fecee0b202bc1dda178c428dbf99987fd0e46c46fN.exe 88 PID 4716 wrote to memory of 464 4716 791cc8b5150b5d224858062fecee0b202bc1dda178c428dbf99987fd0e46c46fN.exe 88 PID 464 wrote to memory of 876 464 cmd.exe 90 PID 464 wrote to memory of 876 464 cmd.exe 90 PID 464 wrote to memory of 876 464 cmd.exe 90 PID 4716 wrote to memory of 2024 4716 791cc8b5150b5d224858062fecee0b202bc1dda178c428dbf99987fd0e46c46fN.exe 91 PID 4716 wrote to memory of 2024 4716 791cc8b5150b5d224858062fecee0b202bc1dda178c428dbf99987fd0e46c46fN.exe 91 PID 4716 wrote to memory of 2024 4716 791cc8b5150b5d224858062fecee0b202bc1dda178c428dbf99987fd0e46c46fN.exe 91 PID 2024 wrote to memory of 4116 2024 csrs.exe 92 PID 2024 wrote to memory of 4116 2024 csrs.exe 92 PID 2024 wrote to memory of 4116 2024 csrs.exe 92 PID 2024 wrote to memory of 4116 2024 csrs.exe 92 PID 2024 wrote to memory of 4116 2024 csrs.exe 92 PID 2024 wrote to memory of 4116 2024 csrs.exe 92 PID 2024 wrote to memory of 4116 2024 csrs.exe 92 PID 2024 wrote to memory of 4116 2024 csrs.exe 92 PID 4116 wrote to memory of 4440 4116 csrs.exe 93 PID 4116 wrote to memory of 4440 4116 csrs.exe 93 PID 4116 wrote to memory of 4440 4116 csrs.exe 93 PID 4116 wrote to memory of 224 4116 csrs.exe 94 PID 4116 wrote to memory of 224 4116 csrs.exe 94 PID 4116 wrote to memory of 224 4116 csrs.exe 94 PID 4116 wrote to memory of 2220 4116 csrs.exe 96 PID 4116 wrote to memory of 2220 4116 csrs.exe 96 PID 4116 wrote to memory of 2220 4116 csrs.exe 96 PID 4116 wrote to memory of 1980 4116 csrs.exe 98 PID 4116 wrote to memory of 1980 4116 csrs.exe 98 PID 4116 wrote to memory of 1980 4116 csrs.exe 98 PID 4440 wrote to memory of 4444 4440 cmd.exe 101 PID 4440 wrote to memory of 4444 4440 cmd.exe 101 PID 4440 wrote to memory of 4444 4440 cmd.exe 101 PID 224 wrote to memory of 4392 224 cmd.exe 102 PID 224 wrote to memory of 4392 224 cmd.exe 102 PID 224 wrote to memory of 4392 224 cmd.exe 102 PID 2220 wrote to memory of 316 2220 cmd.exe 104 PID 2220 wrote to memory of 316 2220 cmd.exe 104 PID 2220 wrote to memory of 316 2220 cmd.exe 104 PID 1980 wrote to memory of 1496 1980 cmd.exe 103 PID 1980 wrote to memory of 1496 1980 cmd.exe 103 PID 1980 wrote to memory of 1496 1980 cmd.exe 103
Processes
-
C:\Users\Admin\AppData\Local\Temp\791cc8b5150b5d224858062fecee0b202bc1dda178c428dbf99987fd0e46c46fN.exe"C:\Users\Admin\AppData\Local\Temp\791cc8b5150b5d224858062fecee0b202bc1dda178c428dbf99987fd0e46c46fN.exe"1⤵
- Checks computer location settings
- System Location Discovery: System Language Discovery
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:4716 -
C:\Users\Admin\AppData\Local\Temp\Xsuxh.exe"C:\Users\Admin\AppData\Local\Temp\Xsuxh.exe"2⤵
- Executes dropped EXE
- System Location Discovery: System Language Discovery
PID:3452
-
-
C:\Windows\SysWOW64\cmd.exeC:\Windows\system32\cmd.exe /c ""C:\Users\Admin\AppData\Local\Temp\yhEDN.bat" "2⤵
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:464 -
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:876
-
-
-
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:2024 -
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:4116 -
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:4440 -
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:4444
-
-
-
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:224 -
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:4392
-
-
-
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:2220 -
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:316
-
-
-
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:1980 -
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:1496
-
-
-
-
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
Loading Replay Monitor...
Downloads
-
Filesize
12KB
MD5466773bfcbd01059584cdae36e3c281c
SHA181e68615ef27cf363d6fe96582433c8a7ce8043b
SHA25621f0910a1d71dfc63744474b2ba6b8248d893226576ea48791dc0cef7dd52105
SHA5121088e7180a7d4ed717307c03884aebd945c5f78ffd6c4a4d7e84e504dc2da0434fe4173c63f1afd5a57e83e1783b3359ce123e85bb62699fb663bc9b1c02129f
-
Filesize
130B
MD534a635bb69f9dc2d8e8ceba2f6b25308
SHA166bbd6b4eb975af0a799c6be7aaed6917f5df10c
SHA256eb18b0e443ffb00db0eb4438c0d3ec49cf67c3b7cbc9da8e25c60298c970a59a
SHA512ae355a265391afe02a37d82ffb0df6664788dc4aee975678aeb524ff47f889d1e5ecab42b073093d71494c9868276dc9794d4bebce4c967d866b189c136a9545
-
Filesize
1.9MB
MD57086e0863e40630b98b095895700a037
SHA13b5d5af58391d0fa7ed240af22229c4deb07053f
SHA256da405dfc3f02425812f092d8b6ccb4ac99a4cab729d819505369f166d4182703
SHA512a3cf49639f80344012dc0b54658774bcdc1c20c7e4ba2d1c432250b5ab5759ec3f68ba5096db5a0cd329168a0db66bacb45e46483f1b351693de6ad00dc9ba4d