Analysis
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max time kernel
150s -
max time network
138s -
platform
windows7_x64 -
resource
win7-20240903-en -
resource tags
arch:x64arch:x86image:win7-20240903-enlocale:en-usos:windows7-x64system -
submitted
03-01-2025 08:29
Static task
static1
1 signatures
Behavioral task
behavioral1
Sample
JaffaCakes118_6b611399628e99e32f5c4ed6698253e0.exe
Resource
win7-20240903-en
windows7-x64
23 signatures
150 seconds
General
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Target
JaffaCakes118_6b611399628e99e32f5c4ed6698253e0.exe
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Size
364KB
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MD5
6b611399628e99e32f5c4ed6698253e0
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SHA1
9000900c74a0e82c259ef8af214efb3b476171de
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SHA256
d166a3aa09348eca634998bae4b1b9bde0410870cba8d12fedf2614c198c3e4e
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SHA512
a33cd9dfec5430d2690e2c06294b5e406beaf381372bab38ab1eae292f8e6da6fee339d340f4451506570ae8e01e43712efa0a52777196b8531efb1b7eaaaa22
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SSDEEP
6144:eh+er9dpspK7sBfFdpD6T9pmfEuiBFW067P96zeeNMrQ+UQ3KBPmLK/M7ZG+314W:cbpsDfpI9pmfjiBFvo6zLNCQ+IRmLKEj
Malware Config
Extracted
Family
darkcomet
Botnet
Guest16
C2
192.168.1.58:1604
Mutex
DC_MUTEX-GDGY3D5
Attributes
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InstallPath
MSDCSC\msdcsc.exe
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gencode
8vtRZKCLlXXw
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install
true
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offline_keylogger
true
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persistence
true
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reg_key
MicroUpdate
Signatures
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Darkcomet family
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Modifies WinLogon for persistence 2 TTPs 1 IoCs
description ioc Process Set value (str) \REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows NT\CurrentVersion\Winlogon\UserInit = "C:\\Windows\\system32\\userinit.exe,C:\\Windows\\MSDCSC\\msdcsc.exe" cesar.exe -
Modifies firewall policy service 3 TTPs 3 IoCs
description ioc Process Key created \REGISTRY\MACHINE\SYSTEM\ControlSet001\services\SharedAccess\Parameters\FirewallPolicy\StandardProfile msdcsc.exe Set value (int) \REGISTRY\MACHINE\SYSTEM\ControlSet001\services\SharedAccess\Parameters\FirewallPolicy\StandardProfile\EnableFirewall = "0" msdcsc.exe Set value (int) \REGISTRY\MACHINE\SYSTEM\ControlSet001\services\SharedAccess\Parameters\FirewallPolicy\StandardProfile\DisableNotifications = "0" msdcsc.exe -
Modifies security service 2 TTPs 1 IoCs
description ioc Process Set value (int) \REGISTRY\MACHINE\SYSTEM\ControlSet001\services\wscsvc\Start = "4" msdcsc.exe -
description ioc Process Set value (str) \REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Security Center\AntiVirusDisableNotify = "1" msdcsc.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Security Center\UpdatesDisableNotify = "1" msdcsc.exe -
Disables RegEdit via registry modification 1 IoCs
description ioc Process Set value (int) \REGISTRY\USER\S-1-5-21-1846800975-3917212583-2893086201-1000\Software\Microsoft\Windows\CurrentVersion\Policies\System\DisableRegistryTools = "1" msdcsc.exe -
Disables Task Manager via registry modification
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Sets file to hidden 1 TTPs 2 IoCs
Modifies file attributes to stop it showing in Explorer etc.
pid Process 2640 attrib.exe 2724 attrib.exe -
Executes dropped EXE 2 IoCs
pid Process 2500 cesar.exe 2864 msdcsc.exe -
Loads dropped DLL 4 IoCs
pid Process 3020 JaffaCakes118_6b611399628e99e32f5c4ed6698253e0.exe 3020 JaffaCakes118_6b611399628e99e32f5c4ed6698253e0.exe 2500 cesar.exe 2500 cesar.exe -
description ioc Process Set value (str) \REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Security Center\AntiVirusDisableNotify = "1" msdcsc.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Security Center\UpdatesDisableNotify = "1" msdcsc.exe -
Adds Run key to start application 2 TTPs 2 IoCs
description ioc Process Set value (str) \REGISTRY\USER\S-1-5-21-1846800975-3917212583-2893086201-1000\Software\Microsoft\Windows\CurrentVersion\Run\MicroUpdate = "C:\\Windows\\MSDCSC\\msdcsc.exe" cesar.exe Set value (str) \REGISTRY\USER\S-1-5-21-1846800975-3917212583-2893086201-1000\Software\Microsoft\Windows\CurrentVersion\Run\MicroUpdate = "C:\\Windows\\MSDCSC\\msdcsc.exe" msdcsc.exe -
resource yara_rule behavioral1/files/0x000c00000001226b-5.dat upx behavioral1/memory/2500-14-0x0000000000400000-0x00000000004BF000-memory.dmp upx behavioral1/memory/2500-57-0x0000000003810000-0x00000000038CF000-memory.dmp upx behavioral1/memory/2864-60-0x0000000000400000-0x00000000004BF000-memory.dmp upx behavioral1/memory/2500-102-0x0000000000400000-0x00000000004BF000-memory.dmp upx behavioral1/memory/2864-105-0x0000000000400000-0x00000000004BF000-memory.dmp upx -
Drops file in Windows directory 3 IoCs
description ioc Process File opened for modification C:\Windows\MSDCSC\ cesar.exe File created C:\Windows\MSDCSC\msdcsc.exe cesar.exe File opened for modification C:\Windows\MSDCSC\msdcsc.exe cesar.exe -
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 9 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 JaffaCakes118_6b611399628e99e32f5c4ed6698253e0.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language cesar.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 notepad.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language attrib.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language attrib.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language msdcsc.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language notepad.exe -
Suspicious behavior: GetForegroundWindowSpam 1 IoCs
pid Process 2864 msdcsc.exe -
Suspicious use of AdjustPrivilegeToken 46 IoCs
description pid Process Token: SeIncreaseQuotaPrivilege 2500 cesar.exe Token: SeSecurityPrivilege 2500 cesar.exe Token: SeTakeOwnershipPrivilege 2500 cesar.exe Token: SeLoadDriverPrivilege 2500 cesar.exe Token: SeSystemProfilePrivilege 2500 cesar.exe Token: SeSystemtimePrivilege 2500 cesar.exe Token: SeProfSingleProcessPrivilege 2500 cesar.exe Token: SeIncBasePriorityPrivilege 2500 cesar.exe Token: SeCreatePagefilePrivilege 2500 cesar.exe Token: SeBackupPrivilege 2500 cesar.exe Token: SeRestorePrivilege 2500 cesar.exe Token: SeShutdownPrivilege 2500 cesar.exe Token: SeDebugPrivilege 2500 cesar.exe Token: SeSystemEnvironmentPrivilege 2500 cesar.exe Token: SeChangeNotifyPrivilege 2500 cesar.exe Token: SeRemoteShutdownPrivilege 2500 cesar.exe Token: SeUndockPrivilege 2500 cesar.exe Token: SeManageVolumePrivilege 2500 cesar.exe Token: SeImpersonatePrivilege 2500 cesar.exe Token: SeCreateGlobalPrivilege 2500 cesar.exe Token: 33 2500 cesar.exe Token: 34 2500 cesar.exe Token: 35 2500 cesar.exe Token: SeIncreaseQuotaPrivilege 2864 msdcsc.exe Token: SeSecurityPrivilege 2864 msdcsc.exe Token: SeTakeOwnershipPrivilege 2864 msdcsc.exe Token: SeLoadDriverPrivilege 2864 msdcsc.exe Token: SeSystemProfilePrivilege 2864 msdcsc.exe Token: SeSystemtimePrivilege 2864 msdcsc.exe Token: SeProfSingleProcessPrivilege 2864 msdcsc.exe Token: SeIncBasePriorityPrivilege 2864 msdcsc.exe Token: SeCreatePagefilePrivilege 2864 msdcsc.exe Token: SeBackupPrivilege 2864 msdcsc.exe Token: SeRestorePrivilege 2864 msdcsc.exe Token: SeShutdownPrivilege 2864 msdcsc.exe Token: SeDebugPrivilege 2864 msdcsc.exe Token: SeSystemEnvironmentPrivilege 2864 msdcsc.exe Token: SeChangeNotifyPrivilege 2864 msdcsc.exe Token: SeRemoteShutdownPrivilege 2864 msdcsc.exe Token: SeUndockPrivilege 2864 msdcsc.exe Token: SeManageVolumePrivilege 2864 msdcsc.exe Token: SeImpersonatePrivilege 2864 msdcsc.exe Token: SeCreateGlobalPrivilege 2864 msdcsc.exe Token: 33 2864 msdcsc.exe Token: 34 2864 msdcsc.exe Token: 35 2864 msdcsc.exe -
Suspicious use of SetWindowsHookEx 1 IoCs
pid Process 2864 msdcsc.exe -
Suspicious use of WriteProcessMemory 64 IoCs
description pid Process procid_target PID 3020 wrote to memory of 2500 3020 JaffaCakes118_6b611399628e99e32f5c4ed6698253e0.exe 30 PID 3020 wrote to memory of 2500 3020 JaffaCakes118_6b611399628e99e32f5c4ed6698253e0.exe 30 PID 3020 wrote to memory of 2500 3020 JaffaCakes118_6b611399628e99e32f5c4ed6698253e0.exe 30 PID 3020 wrote to memory of 2500 3020 JaffaCakes118_6b611399628e99e32f5c4ed6698253e0.exe 30 PID 2500 wrote to memory of 2732 2500 cesar.exe 31 PID 2500 wrote to memory of 2732 2500 cesar.exe 31 PID 2500 wrote to memory of 2732 2500 cesar.exe 31 PID 2500 wrote to memory of 2732 2500 cesar.exe 31 PID 2500 wrote to memory of 2740 2500 cesar.exe 32 PID 2500 wrote to memory of 2740 2500 cesar.exe 32 PID 2500 wrote to memory of 2740 2500 cesar.exe 32 PID 2500 wrote to memory of 2740 2500 cesar.exe 32 PID 2500 wrote to memory of 2860 2500 cesar.exe 35 PID 2500 wrote to memory of 2860 2500 cesar.exe 35 PID 2500 wrote to memory of 2860 2500 cesar.exe 35 PID 2500 wrote to memory of 2860 2500 cesar.exe 35 PID 2500 wrote to memory of 2860 2500 cesar.exe 35 PID 2500 wrote to memory of 2860 2500 cesar.exe 35 PID 2500 wrote to memory of 2860 2500 cesar.exe 35 PID 2500 wrote to memory of 2860 2500 cesar.exe 35 PID 2500 wrote to memory of 2860 2500 cesar.exe 35 PID 2500 wrote to memory of 2860 2500 cesar.exe 35 PID 2500 wrote to memory of 2860 2500 cesar.exe 35 PID 2500 wrote to memory of 2860 2500 cesar.exe 35 PID 2500 wrote to memory of 2860 2500 cesar.exe 35 PID 2500 wrote to memory of 2860 2500 cesar.exe 35 PID 2500 wrote to memory of 2860 2500 cesar.exe 35 PID 2500 wrote to memory of 2860 2500 cesar.exe 35 PID 2500 wrote to memory of 2860 2500 cesar.exe 35 PID 2500 wrote to memory of 2860 2500 cesar.exe 35 PID 2732 wrote to memory of 2724 2732 cmd.exe 36 PID 2732 wrote to memory of 2724 2732 cmd.exe 36 PID 2732 wrote to memory of 2724 2732 cmd.exe 36 PID 2732 wrote to memory of 2724 2732 cmd.exe 36 PID 2740 wrote to memory of 2640 2740 cmd.exe 37 PID 2740 wrote to memory of 2640 2740 cmd.exe 37 PID 2740 wrote to memory of 2640 2740 cmd.exe 37 PID 2740 wrote to memory of 2640 2740 cmd.exe 37 PID 2500 wrote to memory of 2864 2500 cesar.exe 38 PID 2500 wrote to memory of 2864 2500 cesar.exe 38 PID 2500 wrote to memory of 2864 2500 cesar.exe 38 PID 2500 wrote to memory of 2864 2500 cesar.exe 38 PID 2864 wrote to memory of 2288 2864 msdcsc.exe 39 PID 2864 wrote to memory of 2288 2864 msdcsc.exe 39 PID 2864 wrote to memory of 2288 2864 msdcsc.exe 39 PID 2864 wrote to memory of 2288 2864 msdcsc.exe 39 PID 2864 wrote to memory of 648 2864 msdcsc.exe 40 PID 2864 wrote to memory of 648 2864 msdcsc.exe 40 PID 2864 wrote to memory of 648 2864 msdcsc.exe 40 PID 2864 wrote to memory of 648 2864 msdcsc.exe 40 PID 2864 wrote to memory of 632 2864 msdcsc.exe 41 PID 2864 wrote to memory of 632 2864 msdcsc.exe 41 PID 2864 wrote to memory of 632 2864 msdcsc.exe 41 PID 2864 wrote to memory of 632 2864 msdcsc.exe 41 PID 2864 wrote to memory of 632 2864 msdcsc.exe 41 PID 2864 wrote to memory of 632 2864 msdcsc.exe 41 PID 2864 wrote to memory of 632 2864 msdcsc.exe 41 PID 2864 wrote to memory of 632 2864 msdcsc.exe 41 PID 2864 wrote to memory of 632 2864 msdcsc.exe 41 PID 2864 wrote to memory of 632 2864 msdcsc.exe 41 PID 2864 wrote to memory of 632 2864 msdcsc.exe 41 PID 2864 wrote to memory of 632 2864 msdcsc.exe 41 PID 2864 wrote to memory of 632 2864 msdcsc.exe 41 PID 2864 wrote to memory of 632 2864 msdcsc.exe 41 -
System policy modification 1 TTPs 3 IoCs
description ioc Process Key created \REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\CurrentVersion msdcsc.exe Key created \REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\CurrentVersion\Explorern msdcsc.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\CurrentVersion\Explorern\NoControlPanel = "1" msdcsc.exe -
Views/modifies file attributes 1 TTPs 2 IoCs
pid Process 2724 attrib.exe 2640 attrib.exe
Processes
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C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_6b611399628e99e32f5c4ed6698253e0.exe"C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_6b611399628e99e32f5c4ed6698253e0.exe"1⤵
- Loads dropped DLL
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:3020 -
C:\Users\Admin\AppData\Local\Temp\cesar.exe"C:\Users\Admin\AppData\Local\Temp\cesar.exe"2⤵
- Modifies WinLogon for persistence
- Executes dropped EXE
- Loads dropped DLL
- Adds Run key to start application
- Drops file in Windows directory
- System Location Discovery: System Language Discovery
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:2500 -
C:\Windows\SysWOW64\cmd.exe"C:\Windows\System32\cmd.exe" /k attrib "C:\Users\Admin\AppData\Local\Temp\cesar.exe" +s +h3⤵
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:2732 -
C:\Windows\SysWOW64\attrib.exeattrib "C:\Users\Admin\AppData\Local\Temp\cesar.exe" +s +h4⤵
- Sets file to hidden
- System Location Discovery: System Language Discovery
- Views/modifies file attributes
PID:2724
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C:\Windows\SysWOW64\cmd.exe"C:\Windows\System32\cmd.exe" /k attrib "C:\Users\Admin\AppData\Local\Temp" +s +h3⤵
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:2740 -
C:\Windows\SysWOW64\attrib.exeattrib "C:\Users\Admin\AppData\Local\Temp" +s +h4⤵
- Sets file to hidden
- System Location Discovery: System Language Discovery
- Views/modifies file attributes
PID:2640
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C:\Windows\SysWOW64\notepad.exenotepad3⤵
- System Location Discovery: System Language Discovery
PID:2860
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C:\Windows\MSDCSC\msdcsc.exe"C:\Windows\MSDCSC\msdcsc.exe"3⤵
- Modifies firewall policy service
- Modifies security service
- Windows security bypass
- Disables RegEdit via registry modification
- Executes dropped EXE
- Windows security modification
- Adds Run key to start application
- System Location Discovery: System Language Discovery
- Suspicious behavior: GetForegroundWindowSpam
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
- System policy modification
PID:2864 -
C:\Program Files (x86)\Internet Explorer\iexplore.exe"C:\Program Files (x86)\Internet Explorer\iexplore.exe"4⤵PID:2288
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C:\Windows\explorer.exe"C:\Windows\explorer.exe"4⤵PID:648
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C:\Windows\SysWOW64\notepad.exenotepad4⤵
- System Location Discovery: System Language Discovery
PID:632
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Network
MITRE ATT&CK Enterprise v15
Persistence
Boot or Logon Autostart Execution
2Registry Run Keys / Startup Folder
1Winlogon Helper DLL
1Create or Modify System Process
2Windows Service
2Privilege Escalation
Boot or Logon Autostart Execution
2Registry Run Keys / Startup Folder
1Winlogon Helper DLL
1Create or Modify System Process
2Windows Service
2Defense Evasion
Hide Artifacts
2Hidden Files and Directories
2Impair Defenses
3Disable or Modify System Firewall
1Disable or Modify Tools
2Modify Registry
7Replay Monitor
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Downloads
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Filesize
267KB
MD567cb2933dc901a63d0dd25cd0ee8bb48
SHA1970e76c8e48ccc53398cb50f270f35450a02ab0f
SHA256bece25fca3d84d4f8b8bce74c110b8f178be40a8430c36136ad7f92d84ac5732
SHA512e53d211690fc46ca2299550769d3e97b682d80b29a282ce88cf9a42725dfc86f92c502aa04435f6199fde189f2fbc446c0fc94b2d4f963b368d5eb8ada95874c