Analysis
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max time kernel
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max time network
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platform
windows10-2004_x64 -
resource
win10v2004-20250217-en -
resource tags
arch:x64arch:x86image:win10v2004-20250217-enlocale:en-usos:windows10-2004-x64system -
submitted
26/02/2025, 22:52
Static task
static1
Behavioral task
behavioral1
Sample
4e178840d18577f9ea19fd27bf8f83ed686f4d86f45ced0708627033d4bd5a08.exe
Resource
win7-20240903-en
Behavioral task
behavioral2
Sample
4e178840d18577f9ea19fd27bf8f83ed686f4d86f45ced0708627033d4bd5a08.exe
Resource
win10v2004-20250217-en
General
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Target
4e178840d18577f9ea19fd27bf8f83ed686f4d86f45ced0708627033d4bd5a08.exe
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Size
1.8MB
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MD5
465b5fa7a8370842a46aa1c8d9b74c55
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SHA1
e7251654daec9959b6de43353be8603abd5ef3e9
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SHA256
4e178840d18577f9ea19fd27bf8f83ed686f4d86f45ced0708627033d4bd5a08
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SHA512
5162a19fd7887f320b39c2e141880a08eaf26e6c081e5fd220c1adbecc6c036afb0f1891bd93a926bc4485cc9820ea9e8203084c46ed36153920b60f76f6c191
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SSDEEP
49152:ALIUXQgBiI6i2KFU0yBfM7a9QDosGeo403e0CpcKYGIDlWIwRBOn5PvGYKMf/1Z9:cIUXQgBiI6i2KFU0yBfM7a9QDosGeo44
Malware Config
Signatures
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Blackshades
Blackshades is a remote access trojan with various capabilities.
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Blackshades family
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Blackshades payload 10 IoCs
resource yara_rule behavioral2/memory/1460-43-0x0000000000400000-0x000000000045D000-memory.dmp family_blackshades behavioral2/memory/1460-50-0x0000000000400000-0x000000000045D000-memory.dmp family_blackshades behavioral2/memory/1460-54-0x0000000000400000-0x000000000045D000-memory.dmp family_blackshades behavioral2/memory/1460-57-0x0000000000400000-0x000000000045D000-memory.dmp family_blackshades behavioral2/memory/1460-59-0x0000000000400000-0x000000000045D000-memory.dmp family_blackshades behavioral2/memory/1460-61-0x0000000000400000-0x000000000045D000-memory.dmp family_blackshades behavioral2/memory/1460-64-0x0000000000400000-0x000000000045D000-memory.dmp family_blackshades behavioral2/memory/1460-66-0x0000000000400000-0x000000000045D000-memory.dmp family_blackshades behavioral2/memory/1460-68-0x0000000000400000-0x000000000045D000-memory.dmp family_blackshades behavioral2/memory/1460-73-0x0000000000400000-0x000000000045D000-memory.dmp family_blackshades -
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 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 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 -
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-1-5-21-2278412438-3475196406-3686434223-1000\Control Panel\International\Geo\Nation 4e178840d18577f9ea19fd27bf8f83ed686f4d86f45ced0708627033d4bd5a08.exe -
Executes dropped EXE 3 IoCs
pid Process 2816 nlkdV.exe 2040 csrs.exe 1460 csrs.exe -
Adds Run key to start application 2 TTPs 1 IoCs
description ioc Process Set value (str) \REGISTRY\USER\S-1-5-21-2278412438-3475196406-3686434223-1000\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 2040 set thread context of 1460 2040 csrs.exe 95 -
resource yara_rule behavioral2/files/0x0005000000022afb-7.dat upx behavioral2/memory/2816-11-0x0000000000400000-0x0000000000417000-memory.dmp upx behavioral2/memory/1460-41-0x0000000000400000-0x000000000045D000-memory.dmp upx behavioral2/memory/1460-37-0x0000000000400000-0x000000000045D000-memory.dmp upx behavioral2/memory/1460-43-0x0000000000400000-0x000000000045D000-memory.dmp upx behavioral2/memory/2816-49-0x0000000000400000-0x0000000000417000-memory.dmp upx behavioral2/memory/1460-50-0x0000000000400000-0x000000000045D000-memory.dmp upx behavioral2/memory/1460-54-0x0000000000400000-0x000000000045D000-memory.dmp upx behavioral2/memory/1460-57-0x0000000000400000-0x000000000045D000-memory.dmp upx behavioral2/memory/1460-59-0x0000000000400000-0x000000000045D000-memory.dmp upx behavioral2/memory/1460-61-0x0000000000400000-0x000000000045D000-memory.dmp upx behavioral2/memory/1460-64-0x0000000000400000-0x000000000045D000-memory.dmp upx behavioral2/memory/1460-66-0x0000000000400000-0x000000000045D000-memory.dmp upx behavioral2/memory/1460-68-0x0000000000400000-0x000000000045D000-memory.dmp upx behavioral2/memory/1460-73-0x0000000000400000-0x000000000045D000-memory.dmp upx -
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 reg.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language nlkdV.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 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 reg.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language reg.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language 4e178840d18577f9ea19fd27bf8f83ed686f4d86f45ced0708627033d4bd5a08.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 -
Modifies registry key 1 TTPs 4 IoCs
pid Process 4412 reg.exe 3892 reg.exe 3140 reg.exe 5008 reg.exe -
Suspicious use of AdjustPrivilegeToken 35 IoCs
description pid Process Token: 1 1460 csrs.exe Token: SeCreateTokenPrivilege 1460 csrs.exe Token: SeAssignPrimaryTokenPrivilege 1460 csrs.exe Token: SeLockMemoryPrivilege 1460 csrs.exe Token: SeIncreaseQuotaPrivilege 1460 csrs.exe Token: SeMachineAccountPrivilege 1460 csrs.exe Token: SeTcbPrivilege 1460 csrs.exe Token: SeSecurityPrivilege 1460 csrs.exe Token: SeTakeOwnershipPrivilege 1460 csrs.exe Token: SeLoadDriverPrivilege 1460 csrs.exe Token: SeSystemProfilePrivilege 1460 csrs.exe Token: SeSystemtimePrivilege 1460 csrs.exe Token: SeProfSingleProcessPrivilege 1460 csrs.exe Token: SeIncBasePriorityPrivilege 1460 csrs.exe Token: SeCreatePagefilePrivilege 1460 csrs.exe Token: SeCreatePermanentPrivilege 1460 csrs.exe Token: SeBackupPrivilege 1460 csrs.exe Token: SeRestorePrivilege 1460 csrs.exe Token: SeShutdownPrivilege 1460 csrs.exe Token: SeDebugPrivilege 1460 csrs.exe Token: SeAuditPrivilege 1460 csrs.exe Token: SeSystemEnvironmentPrivilege 1460 csrs.exe Token: SeChangeNotifyPrivilege 1460 csrs.exe Token: SeRemoteShutdownPrivilege 1460 csrs.exe Token: SeUndockPrivilege 1460 csrs.exe Token: SeSyncAgentPrivilege 1460 csrs.exe Token: SeEnableDelegationPrivilege 1460 csrs.exe Token: SeManageVolumePrivilege 1460 csrs.exe Token: SeImpersonatePrivilege 1460 csrs.exe Token: SeCreateGlobalPrivilege 1460 csrs.exe Token: 31 1460 csrs.exe Token: 32 1460 csrs.exe Token: 33 1460 csrs.exe Token: 34 1460 csrs.exe Token: 35 1460 csrs.exe -
Suspicious use of SetWindowsHookEx 5 IoCs
pid Process 4044 4e178840d18577f9ea19fd27bf8f83ed686f4d86f45ced0708627033d4bd5a08.exe 2040 csrs.exe 1460 csrs.exe 1460 csrs.exe 1460 csrs.exe -
Suspicious use of WriteProcessMemory 44 IoCs
description pid Process procid_target PID 4044 wrote to memory of 2816 4044 4e178840d18577f9ea19fd27bf8f83ed686f4d86f45ced0708627033d4bd5a08.exe 89 PID 4044 wrote to memory of 2816 4044 4e178840d18577f9ea19fd27bf8f83ed686f4d86f45ced0708627033d4bd5a08.exe 89 PID 4044 wrote to memory of 2816 4044 4e178840d18577f9ea19fd27bf8f83ed686f4d86f45ced0708627033d4bd5a08.exe 89 PID 4044 wrote to memory of 3688 4044 4e178840d18577f9ea19fd27bf8f83ed686f4d86f45ced0708627033d4bd5a08.exe 91 PID 4044 wrote to memory of 3688 4044 4e178840d18577f9ea19fd27bf8f83ed686f4d86f45ced0708627033d4bd5a08.exe 91 PID 4044 wrote to memory of 3688 4044 4e178840d18577f9ea19fd27bf8f83ed686f4d86f45ced0708627033d4bd5a08.exe 91 PID 3688 wrote to memory of 4492 3688 cmd.exe 93 PID 3688 wrote to memory of 4492 3688 cmd.exe 93 PID 3688 wrote to memory of 4492 3688 cmd.exe 93 PID 4044 wrote to memory of 2040 4044 4e178840d18577f9ea19fd27bf8f83ed686f4d86f45ced0708627033d4bd5a08.exe 94 PID 4044 wrote to memory of 2040 4044 4e178840d18577f9ea19fd27bf8f83ed686f4d86f45ced0708627033d4bd5a08.exe 94 PID 4044 wrote to memory of 2040 4044 4e178840d18577f9ea19fd27bf8f83ed686f4d86f45ced0708627033d4bd5a08.exe 94 PID 2040 wrote to memory of 1460 2040 csrs.exe 95 PID 2040 wrote to memory of 1460 2040 csrs.exe 95 PID 2040 wrote to memory of 1460 2040 csrs.exe 95 PID 2040 wrote to memory of 1460 2040 csrs.exe 95 PID 2040 wrote to memory of 1460 2040 csrs.exe 95 PID 2040 wrote to memory of 1460 2040 csrs.exe 95 PID 2040 wrote to memory of 1460 2040 csrs.exe 95 PID 2040 wrote to memory of 1460 2040 csrs.exe 95 PID 1460 wrote to memory of 720 1460 csrs.exe 96 PID 1460 wrote to memory of 720 1460 csrs.exe 96 PID 1460 wrote to memory of 720 1460 csrs.exe 96 PID 1460 wrote to memory of 4868 1460 csrs.exe 97 PID 1460 wrote to memory of 4868 1460 csrs.exe 97 PID 1460 wrote to memory of 4868 1460 csrs.exe 97 PID 1460 wrote to memory of 1804 1460 csrs.exe 98 PID 1460 wrote to memory of 1804 1460 csrs.exe 98 PID 1460 wrote to memory of 1804 1460 csrs.exe 98 PID 1460 wrote to memory of 5024 1460 csrs.exe 99 PID 1460 wrote to memory of 5024 1460 csrs.exe 99 PID 1460 wrote to memory of 5024 1460 csrs.exe 99 PID 720 wrote to memory of 4412 720 cmd.exe 104 PID 720 wrote to memory of 4412 720 cmd.exe 104 PID 720 wrote to memory of 4412 720 cmd.exe 104 PID 4868 wrote to memory of 3892 4868 cmd.exe 105 PID 4868 wrote to memory of 3892 4868 cmd.exe 105 PID 4868 wrote to memory of 3892 4868 cmd.exe 105 PID 1804 wrote to memory of 3140 1804 cmd.exe 106 PID 1804 wrote to memory of 3140 1804 cmd.exe 106 PID 1804 wrote to memory of 3140 1804 cmd.exe 106 PID 5024 wrote to memory of 5008 5024 cmd.exe 107 PID 5024 wrote to memory of 5008 5024 cmd.exe 107 PID 5024 wrote to memory of 5008 5024 cmd.exe 107
Processes
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C:\Users\Admin\AppData\Local\Temp\4e178840d18577f9ea19fd27bf8f83ed686f4d86f45ced0708627033d4bd5a08.exe"C:\Users\Admin\AppData\Local\Temp\4e178840d18577f9ea19fd27bf8f83ed686f4d86f45ced0708627033d4bd5a08.exe"1⤵
- Checks computer location settings
- System Location Discovery: System Language Discovery
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:4044 -
C:\Users\Admin\AppData\Local\Temp\nlkdV.exe"C:\Users\Admin\AppData\Local\Temp\nlkdV.exe"2⤵
- Executes dropped EXE
- System Location Discovery: System Language Discovery
PID:2816
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C:\Windows\SysWOW64\cmd.exeC:\Windows\system32\cmd.exe /c ""C:\Users\Admin\AppData\Local\Temp\MHGsu.bat" "2⤵
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:3688 -
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:4492
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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:2040 -
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:1460 -
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:720 -
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:4412
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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:4868 -
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:3892
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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:1804 -
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:3140
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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:5024 -
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:5008
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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
Loading Replay Monitor...
Downloads
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Filesize
130B
MD534a635bb69f9dc2d8e8ceba2f6b25308
SHA166bbd6b4eb975af0a799c6be7aaed6917f5df10c
SHA256eb18b0e443ffb00db0eb4438c0d3ec49cf67c3b7cbc9da8e25c60298c970a59a
SHA512ae355a265391afe02a37d82ffb0df6664788dc4aee975678aeb524ff47f889d1e5ecab42b073093d71494c9868276dc9794d4bebce4c967d866b189c136a9545
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Filesize
12KB
MD5466773bfcbd01059584cdae36e3c281c
SHA181e68615ef27cf363d6fe96582433c8a7ce8043b
SHA25621f0910a1d71dfc63744474b2ba6b8248d893226576ea48791dc0cef7dd52105
SHA5121088e7180a7d4ed717307c03884aebd945c5f78ffd6c4a4d7e84e504dc2da0434fe4173c63f1afd5a57e83e1783b3359ce123e85bb62699fb663bc9b1c02129f
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Filesize
1.8MB
MD5e843e260fd6a4bf72165b062c7426cf5
SHA151df50c1a19d12158eb293a87ef6ce598909ebba
SHA25698f218331b97f0e2e2e23594ecfaf7f00cbe16ac939522824952fbadfc77bfe6
SHA5125b86e2245c8f28590e939534bc545feebc1ab900d04061d71998fc3dd4262793bfad102f58aa5f6acb9b9d715d7b04e4fb6546f16cf5956a44c0b9e041e36fbe