Analysis
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max time kernel
149s -
max time network
149s -
platform
windows10-2004_x64 -
resource
win10v2004-20241007-en -
resource tags
arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-x64system -
submitted
27-01-2025 23:53
Static task
static1
Behavioral task
behavioral1
Sample
7757538a7709699c70fe2b6000ed775c494346ef18a5f249c455a4b822b43ae7.exe
Resource
win7-20240903-en
Behavioral task
behavioral2
Sample
7757538a7709699c70fe2b6000ed775c494346ef18a5f249c455a4b822b43ae7.exe
Resource
win10v2004-20241007-en
General
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Target
7757538a7709699c70fe2b6000ed775c494346ef18a5f249c455a4b822b43ae7.exe
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Size
1.8MB
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MD5
13dc9302b32be429444ab61b0363708a
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SHA1
02ce55546d88f7a718daa8c39081ff30173ce41f
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SHA256
7757538a7709699c70fe2b6000ed775c494346ef18a5f249c455a4b822b43ae7
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SHA512
3160db7e22785b8fb6bc783e356fa3ca9b7c750cd8df7f2b6bfbfe8e693feccc5164e17823cfdbfcaf0f029b2ca426341d6a98c23ed2c6f88f2faaadde3c84a2
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SSDEEP
49152:ALIUXQgBiI6i2KFU0yBfM7a9QDosGeo403e0CpcKYGIDlWIwRBOn5PvGYKMf/1Z7:cIUXQgBiI6i2KFU0yBfM7a9QDosGeo4u
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 13 IoCs
resource yara_rule behavioral2/memory/552-45-0x0000000000400000-0x000000000045D000-memory.dmp family_blackshades behavioral2/memory/552-52-0x0000000000400000-0x000000000045D000-memory.dmp family_blackshades behavioral2/memory/552-56-0x0000000000400000-0x000000000045D000-memory.dmp family_blackshades behavioral2/memory/552-59-0x0000000000400000-0x000000000045D000-memory.dmp family_blackshades behavioral2/memory/552-61-0x0000000000400000-0x000000000045D000-memory.dmp family_blackshades behavioral2/memory/552-63-0x0000000000400000-0x000000000045D000-memory.dmp family_blackshades behavioral2/memory/552-66-0x0000000000400000-0x000000000045D000-memory.dmp family_blackshades behavioral2/memory/552-68-0x0000000000400000-0x000000000045D000-memory.dmp family_blackshades behavioral2/memory/552-70-0x0000000000400000-0x000000000045D000-memory.dmp family_blackshades behavioral2/memory/552-75-0x0000000000400000-0x000000000045D000-memory.dmp family_blackshades behavioral2/memory/552-77-0x0000000000400000-0x000000000045D000-memory.dmp family_blackshades behavioral2/memory/552-79-0x0000000000400000-0x000000000045D000-memory.dmp family_blackshades behavioral2/memory/552-82-0x0000000000400000-0x000000000045D000-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\AuthorizedApplications\List reg.exe Set value (int) \REGISTRY\MACHINE\SYSTEM\ControlSet001\Services\SharedAccess\Parameters\FirewallPolicy\StandardProfile\DoNotAllowExceptions = "0" 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 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 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 -
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-1-5-21-2437139445-1151884604-3026847218-1000\Control Panel\International\Geo\Nation 7757538a7709699c70fe2b6000ed775c494346ef18a5f249c455a4b822b43ae7.exe -
Executes dropped EXE 3 IoCs
pid Process 5068 lkdsu.exe 4748 csrs.exe 552 csrs.exe -
Adds Run key to start application 2 TTPs 1 IoCs
description ioc Process Set value (str) \REGISTRY\USER\S-1-5-21-2437139445-1151884604-3026847218-1000\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 4748 set thread context of 552 4748 csrs.exe 89 -
resource yara_rule behavioral2/files/0x000f000000023bbf-7.dat upx behavioral2/memory/5068-11-0x0000000000400000-0x0000000000417000-memory.dmp upx behavioral2/memory/552-40-0x0000000000400000-0x000000000045D000-memory.dmp upx behavioral2/memory/552-45-0x0000000000400000-0x000000000045D000-memory.dmp upx behavioral2/memory/552-43-0x0000000000400000-0x000000000045D000-memory.dmp upx behavioral2/memory/5068-51-0x0000000000400000-0x0000000000417000-memory.dmp upx behavioral2/memory/552-52-0x0000000000400000-0x000000000045D000-memory.dmp upx behavioral2/memory/552-56-0x0000000000400000-0x000000000045D000-memory.dmp upx behavioral2/memory/552-59-0x0000000000400000-0x000000000045D000-memory.dmp upx behavioral2/memory/552-61-0x0000000000400000-0x000000000045D000-memory.dmp upx behavioral2/memory/552-63-0x0000000000400000-0x000000000045D000-memory.dmp upx behavioral2/memory/552-66-0x0000000000400000-0x000000000045D000-memory.dmp upx behavioral2/memory/552-68-0x0000000000400000-0x000000000045D000-memory.dmp upx behavioral2/memory/552-70-0x0000000000400000-0x000000000045D000-memory.dmp upx behavioral2/memory/552-75-0x0000000000400000-0x000000000045D000-memory.dmp upx behavioral2/memory/552-77-0x0000000000400000-0x000000000045D000-memory.dmp upx behavioral2/memory/552-79-0x0000000000400000-0x000000000045D000-memory.dmp upx behavioral2/memory/552-82-0x0000000000400000-0x000000000045D000-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 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 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 7757538a7709699c70fe2b6000ed775c494346ef18a5f249c455a4b822b43ae7.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language lkdsu.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 -
Modifies registry key 1 TTPs 4 IoCs
pid Process 4628 reg.exe 4604 reg.exe 2980 reg.exe 2852 reg.exe -
Suspicious use of AdjustPrivilegeToken 35 IoCs
description pid Process Token: 1 552 csrs.exe Token: SeCreateTokenPrivilege 552 csrs.exe Token: SeAssignPrimaryTokenPrivilege 552 csrs.exe Token: SeLockMemoryPrivilege 552 csrs.exe Token: SeIncreaseQuotaPrivilege 552 csrs.exe Token: SeMachineAccountPrivilege 552 csrs.exe Token: SeTcbPrivilege 552 csrs.exe Token: SeSecurityPrivilege 552 csrs.exe Token: SeTakeOwnershipPrivilege 552 csrs.exe Token: SeLoadDriverPrivilege 552 csrs.exe Token: SeSystemProfilePrivilege 552 csrs.exe Token: SeSystemtimePrivilege 552 csrs.exe Token: SeProfSingleProcessPrivilege 552 csrs.exe Token: SeIncBasePriorityPrivilege 552 csrs.exe Token: SeCreatePagefilePrivilege 552 csrs.exe Token: SeCreatePermanentPrivilege 552 csrs.exe Token: SeBackupPrivilege 552 csrs.exe Token: SeRestorePrivilege 552 csrs.exe Token: SeShutdownPrivilege 552 csrs.exe Token: SeDebugPrivilege 552 csrs.exe Token: SeAuditPrivilege 552 csrs.exe Token: SeSystemEnvironmentPrivilege 552 csrs.exe Token: SeChangeNotifyPrivilege 552 csrs.exe Token: SeRemoteShutdownPrivilege 552 csrs.exe Token: SeUndockPrivilege 552 csrs.exe Token: SeSyncAgentPrivilege 552 csrs.exe Token: SeEnableDelegationPrivilege 552 csrs.exe Token: SeManageVolumePrivilege 552 csrs.exe Token: SeImpersonatePrivilege 552 csrs.exe Token: SeCreateGlobalPrivilege 552 csrs.exe Token: 31 552 csrs.exe Token: 32 552 csrs.exe Token: 33 552 csrs.exe Token: 34 552 csrs.exe Token: 35 552 csrs.exe -
Suspicious use of SetWindowsHookEx 5 IoCs
pid Process 224 7757538a7709699c70fe2b6000ed775c494346ef18a5f249c455a4b822b43ae7.exe 4748 csrs.exe 552 csrs.exe 552 csrs.exe 552 csrs.exe -
Suspicious use of WriteProcessMemory 44 IoCs
description pid Process procid_target PID 224 wrote to memory of 5068 224 7757538a7709699c70fe2b6000ed775c494346ef18a5f249c455a4b822b43ae7.exe 83 PID 224 wrote to memory of 5068 224 7757538a7709699c70fe2b6000ed775c494346ef18a5f249c455a4b822b43ae7.exe 83 PID 224 wrote to memory of 5068 224 7757538a7709699c70fe2b6000ed775c494346ef18a5f249c455a4b822b43ae7.exe 83 PID 224 wrote to memory of 32 224 7757538a7709699c70fe2b6000ed775c494346ef18a5f249c455a4b822b43ae7.exe 85 PID 224 wrote to memory of 32 224 7757538a7709699c70fe2b6000ed775c494346ef18a5f249c455a4b822b43ae7.exe 85 PID 224 wrote to memory of 32 224 7757538a7709699c70fe2b6000ed775c494346ef18a5f249c455a4b822b43ae7.exe 85 PID 32 wrote to memory of 640 32 cmd.exe 87 PID 32 wrote to memory of 640 32 cmd.exe 87 PID 32 wrote to memory of 640 32 cmd.exe 87 PID 224 wrote to memory of 4748 224 7757538a7709699c70fe2b6000ed775c494346ef18a5f249c455a4b822b43ae7.exe 88 PID 224 wrote to memory of 4748 224 7757538a7709699c70fe2b6000ed775c494346ef18a5f249c455a4b822b43ae7.exe 88 PID 224 wrote to memory of 4748 224 7757538a7709699c70fe2b6000ed775c494346ef18a5f249c455a4b822b43ae7.exe 88 PID 4748 wrote to memory of 552 4748 csrs.exe 89 PID 4748 wrote to memory of 552 4748 csrs.exe 89 PID 4748 wrote to memory of 552 4748 csrs.exe 89 PID 4748 wrote to memory of 552 4748 csrs.exe 89 PID 4748 wrote to memory of 552 4748 csrs.exe 89 PID 4748 wrote to memory of 552 4748 csrs.exe 89 PID 4748 wrote to memory of 552 4748 csrs.exe 89 PID 4748 wrote to memory of 552 4748 csrs.exe 89 PID 552 wrote to memory of 1660 552 csrs.exe 90 PID 552 wrote to memory of 1660 552 csrs.exe 90 PID 552 wrote to memory of 1660 552 csrs.exe 90 PID 552 wrote to memory of 4856 552 csrs.exe 91 PID 552 wrote to memory of 4856 552 csrs.exe 91 PID 552 wrote to memory of 4856 552 csrs.exe 91 PID 552 wrote to memory of 2936 552 csrs.exe 92 PID 552 wrote to memory of 2936 552 csrs.exe 92 PID 552 wrote to memory of 2936 552 csrs.exe 92 PID 552 wrote to memory of 3092 552 csrs.exe 93 PID 552 wrote to memory of 3092 552 csrs.exe 93 PID 552 wrote to memory of 3092 552 csrs.exe 93 PID 4856 wrote to memory of 4628 4856 cmd.exe 99 PID 4856 wrote to memory of 4628 4856 cmd.exe 99 PID 4856 wrote to memory of 4628 4856 cmd.exe 99 PID 1660 wrote to memory of 4604 1660 cmd.exe 98 PID 1660 wrote to memory of 4604 1660 cmd.exe 98 PID 1660 wrote to memory of 4604 1660 cmd.exe 98 PID 2936 wrote to memory of 2980 2936 cmd.exe 100 PID 2936 wrote to memory of 2980 2936 cmd.exe 100 PID 2936 wrote to memory of 2980 2936 cmd.exe 100 PID 3092 wrote to memory of 2852 3092 cmd.exe 101 PID 3092 wrote to memory of 2852 3092 cmd.exe 101 PID 3092 wrote to memory of 2852 3092 cmd.exe 101
Processes
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C:\Users\Admin\AppData\Local\Temp\7757538a7709699c70fe2b6000ed775c494346ef18a5f249c455a4b822b43ae7.exe"C:\Users\Admin\AppData\Local\Temp\7757538a7709699c70fe2b6000ed775c494346ef18a5f249c455a4b822b43ae7.exe"1⤵
- Checks computer location settings
- System Location Discovery: System Language Discovery
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:224 -
C:\Users\Admin\AppData\Local\Temp\lkdsu.exe"C:\Users\Admin\AppData\Local\Temp\lkdsu.exe"2⤵
- Executes dropped EXE
- System Location Discovery: System Language Discovery
PID:5068
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C:\Windows\SysWOW64\cmd.exeC:\Windows\system32\cmd.exe /c ""C:\Users\Admin\AppData\Local\Temp\kdVuP.bat" "2⤵
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:32 -
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:640
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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:4748 -
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:552 -
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:1660 -
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:4604
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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:4856 -
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:4628
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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:2936 -
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:2980
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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:3092 -
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:2852
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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
MD559c64fcd2a920dcdce384841d6efbef3
SHA153997b32fc55e5f15f6ee64c07946c428345a7df
SHA2569cee1cc87356f7ad8a21d48c4589378e4329542606b8fa0d061426a6e7079c65
SHA5129e0399f6fe188824f310c9c1015cca1e5a6c8ac011e738efae4a18e25ed0563800f357f5f6a0f2569ab92b47693dca97bafdfcf4a95797c0d7bb503b6d7f02da