Analysis
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max time kernel
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max time network
115s -
platform
windows10-2004_x64 -
resource
win10v2004-20241007-en -
resource tags
arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-x64system -
submitted
25-01-2025 16:44
Behavioral task
behavioral1
Sample
39ba119ccbea247425ffa3c7b275386562ae696d8bc076001e6e7064c91397a3N.exe
Resource
win7-20240903-en
Behavioral task
behavioral2
Sample
39ba119ccbea247425ffa3c7b275386562ae696d8bc076001e6e7064c91397a3N.exe
Resource
win10v2004-20241007-en
General
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Target
39ba119ccbea247425ffa3c7b275386562ae696d8bc076001e6e7064c91397a3N.exe
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Size
1.9MB
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MD5
ae69d224d7504433821a066ff3e33c60
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SHA1
3d149710567b7195a9ffb78ac69f8dff7c188034
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SHA256
39ba119ccbea247425ffa3c7b275386562ae696d8bc076001e6e7064c91397a3
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SHA512
f08f39ead3f7f0e36630c0b374c14fdd4a30026d9ffb2c2d36969d6f2cd1b8a9c97f5dc9438971a38c0f077d5abd9cb3881c22a4361fa43e256e5d73315f5656
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SSDEEP
49152:CLIUXQgBiI6i2KFU0yBfM7a9QDosGeo403e0CpcKYGIDlWIwRBOn5PvGYKMf/1Zj:SIUXQgBiI6i2KFU0yBfM7a9QDosGeo4c
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 9 IoCs
resource yara_rule behavioral2/memory/396-45-0x0000000000400000-0x000000000045D000-memory.dmp family_blackshades behavioral2/memory/396-54-0x0000000000400000-0x000000000045D000-memory.dmp family_blackshades behavioral2/memory/396-57-0x0000000000400000-0x000000000045D000-memory.dmp family_blackshades behavioral2/memory/396-60-0x0000000000400000-0x000000000045D000-memory.dmp family_blackshades behavioral2/memory/396-62-0x0000000000400000-0x000000000045D000-memory.dmp family_blackshades behavioral2/memory/396-64-0x0000000000400000-0x000000000045D000-memory.dmp family_blackshades behavioral2/memory/396-67-0x0000000000400000-0x000000000045D000-memory.dmp family_blackshades behavioral2/memory/396-69-0x0000000000400000-0x000000000045D000-memory.dmp family_blackshades behavioral2/memory/396-78-0x0000000000400000-0x000000000045D000-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 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\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 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 -
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-1-5-21-3350944739-639801879-157714471-1000\Control Panel\International\Geo\Nation 39ba119ccbea247425ffa3c7b275386562ae696d8bc076001e6e7064c91397a3N.exe -
Executes dropped EXE 3 IoCs
pid Process 4372 Tolkd.exe 4120 csrs.exe 396 csrs.exe -
Adds Run key to start application 2 TTPs 1 IoCs
description ioc Process Set value (str) \REGISTRY\USER\S-1-5-21-3350944739-639801879-157714471-1000\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 4120 set thread context of 396 4120 csrs.exe 89 -
resource yara_rule behavioral2/memory/3908-0-0x0000000000400000-0x00000000005DD000-memory.dmp upx behavioral2/files/0x000c000000023b26-7.dat upx behavioral2/memory/4372-10-0x0000000000400000-0x0000000000417000-memory.dmp upx behavioral2/files/0x000c000000023b78-25.dat upx behavioral2/memory/3908-38-0x0000000000400000-0x00000000005DD000-memory.dmp upx behavioral2/memory/396-40-0x0000000000400000-0x000000000045D000-memory.dmp upx behavioral2/memory/396-43-0x0000000000400000-0x000000000045D000-memory.dmp upx behavioral2/memory/396-45-0x0000000000400000-0x000000000045D000-memory.dmp upx behavioral2/memory/4120-46-0x0000000000400000-0x00000000005DD000-memory.dmp upx behavioral2/memory/4372-52-0x0000000000400000-0x0000000000417000-memory.dmp upx behavioral2/memory/396-54-0x0000000000400000-0x000000000045D000-memory.dmp upx behavioral2/memory/396-57-0x0000000000400000-0x000000000045D000-memory.dmp upx behavioral2/memory/396-60-0x0000000000400000-0x000000000045D000-memory.dmp upx behavioral2/memory/396-62-0x0000000000400000-0x000000000045D000-memory.dmp upx behavioral2/memory/396-64-0x0000000000400000-0x000000000045D000-memory.dmp upx behavioral2/memory/396-67-0x0000000000400000-0x000000000045D000-memory.dmp upx behavioral2/memory/396-69-0x0000000000400000-0x000000000045D000-memory.dmp upx behavioral2/memory/396-78-0x0000000000400000-0x000000000045D000-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 Tolkd.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 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 reg.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language reg.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language 39ba119ccbea247425ffa3c7b275386562ae696d8bc076001e6e7064c91397a3N.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language cmd.exe -
Modifies registry key 1 TTPs 4 IoCs
pid Process 5100 reg.exe 3988 reg.exe 3228 reg.exe 5088 reg.exe -
Suspicious use of AdjustPrivilegeToken 35 IoCs
description pid Process Token: 1 396 csrs.exe Token: SeCreateTokenPrivilege 396 csrs.exe Token: SeAssignPrimaryTokenPrivilege 396 csrs.exe Token: SeLockMemoryPrivilege 396 csrs.exe Token: SeIncreaseQuotaPrivilege 396 csrs.exe Token: SeMachineAccountPrivilege 396 csrs.exe Token: SeTcbPrivilege 396 csrs.exe Token: SeSecurityPrivilege 396 csrs.exe Token: SeTakeOwnershipPrivilege 396 csrs.exe Token: SeLoadDriverPrivilege 396 csrs.exe Token: SeSystemProfilePrivilege 396 csrs.exe Token: SeSystemtimePrivilege 396 csrs.exe Token: SeProfSingleProcessPrivilege 396 csrs.exe Token: SeIncBasePriorityPrivilege 396 csrs.exe Token: SeCreatePagefilePrivilege 396 csrs.exe Token: SeCreatePermanentPrivilege 396 csrs.exe Token: SeBackupPrivilege 396 csrs.exe Token: SeRestorePrivilege 396 csrs.exe Token: SeShutdownPrivilege 396 csrs.exe Token: SeDebugPrivilege 396 csrs.exe Token: SeAuditPrivilege 396 csrs.exe Token: SeSystemEnvironmentPrivilege 396 csrs.exe Token: SeChangeNotifyPrivilege 396 csrs.exe Token: SeRemoteShutdownPrivilege 396 csrs.exe Token: SeUndockPrivilege 396 csrs.exe Token: SeSyncAgentPrivilege 396 csrs.exe Token: SeEnableDelegationPrivilege 396 csrs.exe Token: SeManageVolumePrivilege 396 csrs.exe Token: SeImpersonatePrivilege 396 csrs.exe Token: SeCreateGlobalPrivilege 396 csrs.exe Token: 31 396 csrs.exe Token: 32 396 csrs.exe Token: 33 396 csrs.exe Token: 34 396 csrs.exe Token: 35 396 csrs.exe -
Suspicious use of SetWindowsHookEx 5 IoCs
pid Process 3908 39ba119ccbea247425ffa3c7b275386562ae696d8bc076001e6e7064c91397a3N.exe 4120 csrs.exe 396 csrs.exe 396 csrs.exe 396 csrs.exe -
Suspicious use of WriteProcessMemory 44 IoCs
description pid Process procid_target PID 3908 wrote to memory of 4372 3908 39ba119ccbea247425ffa3c7b275386562ae696d8bc076001e6e7064c91397a3N.exe 83 PID 3908 wrote to memory of 4372 3908 39ba119ccbea247425ffa3c7b275386562ae696d8bc076001e6e7064c91397a3N.exe 83 PID 3908 wrote to memory of 4372 3908 39ba119ccbea247425ffa3c7b275386562ae696d8bc076001e6e7064c91397a3N.exe 83 PID 3908 wrote to memory of 2012 3908 39ba119ccbea247425ffa3c7b275386562ae696d8bc076001e6e7064c91397a3N.exe 85 PID 3908 wrote to memory of 2012 3908 39ba119ccbea247425ffa3c7b275386562ae696d8bc076001e6e7064c91397a3N.exe 85 PID 3908 wrote to memory of 2012 3908 39ba119ccbea247425ffa3c7b275386562ae696d8bc076001e6e7064c91397a3N.exe 85 PID 2012 wrote to memory of 2108 2012 cmd.exe 87 PID 2012 wrote to memory of 2108 2012 cmd.exe 87 PID 2012 wrote to memory of 2108 2012 cmd.exe 87 PID 3908 wrote to memory of 4120 3908 39ba119ccbea247425ffa3c7b275386562ae696d8bc076001e6e7064c91397a3N.exe 88 PID 3908 wrote to memory of 4120 3908 39ba119ccbea247425ffa3c7b275386562ae696d8bc076001e6e7064c91397a3N.exe 88 PID 3908 wrote to memory of 4120 3908 39ba119ccbea247425ffa3c7b275386562ae696d8bc076001e6e7064c91397a3N.exe 88 PID 4120 wrote to memory of 396 4120 csrs.exe 89 PID 4120 wrote to memory of 396 4120 csrs.exe 89 PID 4120 wrote to memory of 396 4120 csrs.exe 89 PID 4120 wrote to memory of 396 4120 csrs.exe 89 PID 4120 wrote to memory of 396 4120 csrs.exe 89 PID 4120 wrote to memory of 396 4120 csrs.exe 89 PID 4120 wrote to memory of 396 4120 csrs.exe 89 PID 4120 wrote to memory of 396 4120 csrs.exe 89 PID 396 wrote to memory of 4592 396 csrs.exe 90 PID 396 wrote to memory of 4592 396 csrs.exe 90 PID 396 wrote to memory of 4592 396 csrs.exe 90 PID 396 wrote to memory of 3668 396 csrs.exe 91 PID 396 wrote to memory of 3668 396 csrs.exe 91 PID 396 wrote to memory of 3668 396 csrs.exe 91 PID 396 wrote to memory of 4360 396 csrs.exe 92 PID 396 wrote to memory of 4360 396 csrs.exe 92 PID 396 wrote to memory of 4360 396 csrs.exe 92 PID 396 wrote to memory of 2272 396 csrs.exe 94 PID 396 wrote to memory of 2272 396 csrs.exe 94 PID 396 wrote to memory of 2272 396 csrs.exe 94 PID 4360 wrote to memory of 5100 4360 cmd.exe 98 PID 4360 wrote to memory of 5100 4360 cmd.exe 98 PID 4360 wrote to memory of 5100 4360 cmd.exe 98 PID 3668 wrote to memory of 3988 3668 cmd.exe 99 PID 3668 wrote to memory of 3988 3668 cmd.exe 99 PID 3668 wrote to memory of 3988 3668 cmd.exe 99 PID 4592 wrote to memory of 3228 4592 cmd.exe 100 PID 4592 wrote to memory of 3228 4592 cmd.exe 100 PID 4592 wrote to memory of 3228 4592 cmd.exe 100 PID 2272 wrote to memory of 5088 2272 cmd.exe 101 PID 2272 wrote to memory of 5088 2272 cmd.exe 101 PID 2272 wrote to memory of 5088 2272 cmd.exe 101
Processes
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C:\Users\Admin\AppData\Local\Temp\39ba119ccbea247425ffa3c7b275386562ae696d8bc076001e6e7064c91397a3N.exe"C:\Users\Admin\AppData\Local\Temp\39ba119ccbea247425ffa3c7b275386562ae696d8bc076001e6e7064c91397a3N.exe"1⤵
- Checks computer location settings
- System Location Discovery: System Language Discovery
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:3908 -
C:\Users\Admin\AppData\Local\Temp\Tolkd.exe"C:\Users\Admin\AppData\Local\Temp\Tolkd.exe"2⤵
- Executes dropped EXE
- System Location Discovery: System Language Discovery
PID:4372
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C:\Windows\SysWOW64\cmd.exeC:\Windows\system32\cmd.exe /c ""C:\Users\Admin\AppData\Local\Temp\XVBAK.bat" "2⤵
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:2012 -
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:2108
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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:4120 -
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:396 -
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:4592 -
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:3228
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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:3668 -
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:3988
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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:4360 -
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:5100
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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:2272 -
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:5088
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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
12KB
MD5466773bfcbd01059584cdae36e3c281c
SHA181e68615ef27cf363d6fe96582433c8a7ce8043b
SHA25621f0910a1d71dfc63744474b2ba6b8248d893226576ea48791dc0cef7dd52105
SHA5121088e7180a7d4ed717307c03884aebd945c5f78ffd6c4a4d7e84e504dc2da0434fe4173c63f1afd5a57e83e1783b3359ce123e85bb62699fb663bc9b1c02129f
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Filesize
130B
MD534a635bb69f9dc2d8e8ceba2f6b25308
SHA166bbd6b4eb975af0a799c6be7aaed6917f5df10c
SHA256eb18b0e443ffb00db0eb4438c0d3ec49cf67c3b7cbc9da8e25c60298c970a59a
SHA512ae355a265391afe02a37d82ffb0df6664788dc4aee975678aeb524ff47f889d1e5ecab42b073093d71494c9868276dc9794d4bebce4c967d866b189c136a9545
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Filesize
1.9MB
MD583b06756ff193d090f36d9b0de314328
SHA14ff232bf79cff33c21d3f82a44c9ba4822184f16
SHA256a5aa6f7b0f9c401681c26c01db51bb1e045308065e66192960bbae69b315a41c
SHA5120a0f918708990e1f9023e7b53afffdc0886c172474789dca160c6e6c89d3150f6f53a6b2e709e05bacd18b777ad72a1f54c4435aea2767dd9a4d00320041a6bb