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Analysis
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max time kernel
150s -
max time network
151s -
platform
windows10-2004_x64 -
resource
win10v2004-20240426-en -
resource tags
arch:x64arch:x86image:win10v2004-20240426-enlocale:en-usos:windows10-2004-x64system -
submitted
30/05/2024, 22:28
Behavioral task
behavioral1
Sample
851eaea1aeb48c7a645091fe7a71563f_JaffaCakes118.exe
Resource
win7-20240221-en
windows7-x64
20 signatures
150 seconds
General
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Target
851eaea1aeb48c7a645091fe7a71563f_JaffaCakes118.exe
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Size
252KB
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MD5
851eaea1aeb48c7a645091fe7a71563f
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SHA1
48708af16d389550d8222a44d61a90915580f42c
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SHA256
3d04594eff098470ca30f44f76eff4fb2a7d3b32e45ee204b65c36a5c2fc2dd6
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SHA512
30f3e98ec13b38a955883a8bee81ff493c309a05a74bda5a4ac772b9e741e904a5c9adcfb024170ba15eaa71915c0dbe4d084d02a2655c534d28b826e6c7a00f
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SSDEEP
6144:ccNYk1yuwEDBum3qYWnl0pd0EX3Zq2b6wfIDYm0PHQ:ccWkbgTYWnYnt/IDYhP
Malware Config
Extracted
Family
darkcomet
Botnet
Guest16
C2
37.45.181.235:1604
coldwarn.ddns.net:1604
coldwarn.ddns.net:8621
Mutex
DC_MUTEX-J03NXGL
Attributes
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InstallPath
MSDC1SC\msd1csc.exe
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gencode
Sl1ECE8fjAr5
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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
MicroUpdate1
Signatures
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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:\\Users\\Admin\\AppData\\Local\\Temp\\MSDC1SC\\msd1csc.exe" 851eaea1aeb48c7a645091fe7a71563f_JaffaCakes118.exe -
Modifies firewall policy service 2 TTPs 3 IoCs
description ioc Process Key created \REGISTRY\MACHINE\SYSTEM\ControlSet001\Services\SharedAccess\Parameters\FirewallPolicy\StandardProfile msd1csc.exe Set value (int) \REGISTRY\MACHINE\SYSTEM\ControlSet001\Services\SharedAccess\Parameters\FirewallPolicy\StandardProfile\EnableFirewall = "0" msd1csc.exe Set value (int) \REGISTRY\MACHINE\SYSTEM\ControlSet001\Services\SharedAccess\Parameters\FirewallPolicy\StandardProfile\DisableNotifications = "0" msd1csc.exe -
Modifies security service 2 TTPs 1 IoCs
description ioc Process Set value (int) \REGISTRY\MACHINE\SYSTEM\ControlSet001\Services\wscsvc\Start = "4" msd1csc.exe -
description ioc Process Set value (str) \REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Security Center\AntiVirusDisableNotify = "1" msd1csc.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Security Center\UpdatesDisableNotify = "1" msd1csc.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 4560 attrib.exe 4732 attrib.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-1-5-21-711569230-3659488422-571408806-1000\Control Panel\International\Geo\Nation 851eaea1aeb48c7a645091fe7a71563f_JaffaCakes118.exe -
Deletes itself 1 IoCs
pid Process 5076 notepad.exe -
Executes dropped EXE 1 IoCs
pid Process 5008 msd1csc.exe -
resource yara_rule behavioral2/memory/1868-0-0x0000000000400000-0x00000000004B7000-memory.dmp upx behavioral2/files/0x0007000000023405-7.dat upx behavioral2/memory/1868-65-0x0000000000400000-0x00000000004B7000-memory.dmp upx behavioral2/memory/5008-67-0x0000000000400000-0x00000000004B7000-memory.dmp upx behavioral2/memory/5008-68-0x0000000000400000-0x00000000004B7000-memory.dmp upx behavioral2/memory/5008-69-0x0000000000400000-0x00000000004B7000-memory.dmp upx behavioral2/memory/5008-70-0x0000000000400000-0x00000000004B7000-memory.dmp upx behavioral2/memory/5008-71-0x0000000000400000-0x00000000004B7000-memory.dmp upx behavioral2/memory/5008-73-0x0000000000400000-0x00000000004B7000-memory.dmp upx behavioral2/memory/5008-74-0x0000000000400000-0x00000000004B7000-memory.dmp upx behavioral2/memory/5008-75-0x0000000000400000-0x00000000004B7000-memory.dmp upx behavioral2/memory/5008-77-0x0000000000400000-0x00000000004B7000-memory.dmp upx behavioral2/memory/5008-78-0x0000000000400000-0x00000000004B7000-memory.dmp upx behavioral2/memory/5008-80-0x0000000000400000-0x00000000004B7000-memory.dmp upx -
description ioc Process Set value (str) \REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Security Center\AntiVirusDisableNotify = "1" msd1csc.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Security Center\UpdatesDisableNotify = "1" msd1csc.exe -
Adds Run key to start application 2 TTPs 2 IoCs
description ioc Process Set value (str) \REGISTRY\USER\S-1-5-21-711569230-3659488422-571408806-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\MicroUpdate1 = "C:\\Users\\Admin\\AppData\\Local\\Temp\\MSDC1SC\\msd1csc.exe" 851eaea1aeb48c7a645091fe7a71563f_JaffaCakes118.exe Set value (str) \REGISTRY\USER\S-1-5-21-711569230-3659488422-571408806-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\MicroUpdate1 = "C:\\Users\\Admin\\AppData\\Local\\Temp\\MSDC1SC\\msd1csc.exe" msd1csc.exe -
Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s).
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Modifies registry class 1 IoCs
description ioc Process Key created \REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{1f3427c8-5c10-4210-aa03-2ee45287d668}\Instance\ 851eaea1aeb48c7a645091fe7a71563f_JaffaCakes118.exe -
Suspicious behavior: GetForegroundWindowSpam 1 IoCs
pid Process 5008 msd1csc.exe -
Suspicious use of AdjustPrivilegeToken 48 IoCs
description pid Process Token: SeIncreaseQuotaPrivilege 1868 851eaea1aeb48c7a645091fe7a71563f_JaffaCakes118.exe Token: SeSecurityPrivilege 1868 851eaea1aeb48c7a645091fe7a71563f_JaffaCakes118.exe Token: SeTakeOwnershipPrivilege 1868 851eaea1aeb48c7a645091fe7a71563f_JaffaCakes118.exe Token: SeLoadDriverPrivilege 1868 851eaea1aeb48c7a645091fe7a71563f_JaffaCakes118.exe Token: SeSystemProfilePrivilege 1868 851eaea1aeb48c7a645091fe7a71563f_JaffaCakes118.exe Token: SeSystemtimePrivilege 1868 851eaea1aeb48c7a645091fe7a71563f_JaffaCakes118.exe Token: SeProfSingleProcessPrivilege 1868 851eaea1aeb48c7a645091fe7a71563f_JaffaCakes118.exe Token: SeIncBasePriorityPrivilege 1868 851eaea1aeb48c7a645091fe7a71563f_JaffaCakes118.exe Token: SeCreatePagefilePrivilege 1868 851eaea1aeb48c7a645091fe7a71563f_JaffaCakes118.exe Token: SeBackupPrivilege 1868 851eaea1aeb48c7a645091fe7a71563f_JaffaCakes118.exe Token: SeRestorePrivilege 1868 851eaea1aeb48c7a645091fe7a71563f_JaffaCakes118.exe Token: SeShutdownPrivilege 1868 851eaea1aeb48c7a645091fe7a71563f_JaffaCakes118.exe Token: SeDebugPrivilege 1868 851eaea1aeb48c7a645091fe7a71563f_JaffaCakes118.exe Token: SeSystemEnvironmentPrivilege 1868 851eaea1aeb48c7a645091fe7a71563f_JaffaCakes118.exe Token: SeChangeNotifyPrivilege 1868 851eaea1aeb48c7a645091fe7a71563f_JaffaCakes118.exe Token: SeRemoteShutdownPrivilege 1868 851eaea1aeb48c7a645091fe7a71563f_JaffaCakes118.exe Token: SeUndockPrivilege 1868 851eaea1aeb48c7a645091fe7a71563f_JaffaCakes118.exe Token: SeManageVolumePrivilege 1868 851eaea1aeb48c7a645091fe7a71563f_JaffaCakes118.exe Token: SeImpersonatePrivilege 1868 851eaea1aeb48c7a645091fe7a71563f_JaffaCakes118.exe Token: SeCreateGlobalPrivilege 1868 851eaea1aeb48c7a645091fe7a71563f_JaffaCakes118.exe Token: 33 1868 851eaea1aeb48c7a645091fe7a71563f_JaffaCakes118.exe Token: 34 1868 851eaea1aeb48c7a645091fe7a71563f_JaffaCakes118.exe Token: 35 1868 851eaea1aeb48c7a645091fe7a71563f_JaffaCakes118.exe Token: 36 1868 851eaea1aeb48c7a645091fe7a71563f_JaffaCakes118.exe Token: SeIncreaseQuotaPrivilege 5008 msd1csc.exe Token: SeSecurityPrivilege 5008 msd1csc.exe Token: SeTakeOwnershipPrivilege 5008 msd1csc.exe Token: SeLoadDriverPrivilege 5008 msd1csc.exe Token: SeSystemProfilePrivilege 5008 msd1csc.exe Token: SeSystemtimePrivilege 5008 msd1csc.exe Token: SeProfSingleProcessPrivilege 5008 msd1csc.exe Token: SeIncBasePriorityPrivilege 5008 msd1csc.exe Token: SeCreatePagefilePrivilege 5008 msd1csc.exe Token: SeBackupPrivilege 5008 msd1csc.exe Token: SeRestorePrivilege 5008 msd1csc.exe Token: SeShutdownPrivilege 5008 msd1csc.exe Token: SeDebugPrivilege 5008 msd1csc.exe Token: SeSystemEnvironmentPrivilege 5008 msd1csc.exe Token: SeChangeNotifyPrivilege 5008 msd1csc.exe Token: SeRemoteShutdownPrivilege 5008 msd1csc.exe Token: SeUndockPrivilege 5008 msd1csc.exe Token: SeManageVolumePrivilege 5008 msd1csc.exe Token: SeImpersonatePrivilege 5008 msd1csc.exe Token: SeCreateGlobalPrivilege 5008 msd1csc.exe Token: 33 5008 msd1csc.exe Token: 34 5008 msd1csc.exe Token: 35 5008 msd1csc.exe Token: 36 5008 msd1csc.exe -
Suspicious use of SetWindowsHookEx 1 IoCs
pid Process 5008 msd1csc.exe -
Suspicious use of WriteProcessMemory 54 IoCs
description pid Process procid_target PID 1868 wrote to memory of 396 1868 851eaea1aeb48c7a645091fe7a71563f_JaffaCakes118.exe 88 PID 1868 wrote to memory of 396 1868 851eaea1aeb48c7a645091fe7a71563f_JaffaCakes118.exe 88 PID 1868 wrote to memory of 396 1868 851eaea1aeb48c7a645091fe7a71563f_JaffaCakes118.exe 88 PID 1868 wrote to memory of 2544 1868 851eaea1aeb48c7a645091fe7a71563f_JaffaCakes118.exe 89 PID 1868 wrote to memory of 2544 1868 851eaea1aeb48c7a645091fe7a71563f_JaffaCakes118.exe 89 PID 1868 wrote to memory of 2544 1868 851eaea1aeb48c7a645091fe7a71563f_JaffaCakes118.exe 89 PID 1868 wrote to memory of 5076 1868 851eaea1aeb48c7a645091fe7a71563f_JaffaCakes118.exe 90 PID 1868 wrote to memory of 5076 1868 851eaea1aeb48c7a645091fe7a71563f_JaffaCakes118.exe 90 PID 1868 wrote to memory of 5076 1868 851eaea1aeb48c7a645091fe7a71563f_JaffaCakes118.exe 90 PID 1868 wrote to memory of 5076 1868 851eaea1aeb48c7a645091fe7a71563f_JaffaCakes118.exe 90 PID 1868 wrote to memory of 5076 1868 851eaea1aeb48c7a645091fe7a71563f_JaffaCakes118.exe 90 PID 1868 wrote to memory of 5076 1868 851eaea1aeb48c7a645091fe7a71563f_JaffaCakes118.exe 90 PID 1868 wrote to memory of 5076 1868 851eaea1aeb48c7a645091fe7a71563f_JaffaCakes118.exe 90 PID 1868 wrote to memory of 5076 1868 851eaea1aeb48c7a645091fe7a71563f_JaffaCakes118.exe 90 PID 1868 wrote to memory of 5076 1868 851eaea1aeb48c7a645091fe7a71563f_JaffaCakes118.exe 90 PID 1868 wrote to memory of 5076 1868 851eaea1aeb48c7a645091fe7a71563f_JaffaCakes118.exe 90 PID 1868 wrote to memory of 5076 1868 851eaea1aeb48c7a645091fe7a71563f_JaffaCakes118.exe 90 PID 1868 wrote to memory of 5076 1868 851eaea1aeb48c7a645091fe7a71563f_JaffaCakes118.exe 90 PID 1868 wrote to memory of 5076 1868 851eaea1aeb48c7a645091fe7a71563f_JaffaCakes118.exe 90 PID 1868 wrote to memory of 5076 1868 851eaea1aeb48c7a645091fe7a71563f_JaffaCakes118.exe 90 PID 1868 wrote to memory of 5076 1868 851eaea1aeb48c7a645091fe7a71563f_JaffaCakes118.exe 90 PID 1868 wrote to memory of 5076 1868 851eaea1aeb48c7a645091fe7a71563f_JaffaCakes118.exe 90 PID 1868 wrote to memory of 5076 1868 851eaea1aeb48c7a645091fe7a71563f_JaffaCakes118.exe 90 PID 396 wrote to memory of 4560 396 cmd.exe 93 PID 396 wrote to memory of 4560 396 cmd.exe 93 PID 396 wrote to memory of 4560 396 cmd.exe 93 PID 2544 wrote to memory of 4732 2544 cmd.exe 94 PID 2544 wrote to memory of 4732 2544 cmd.exe 94 PID 2544 wrote to memory of 4732 2544 cmd.exe 94 PID 1868 wrote to memory of 5008 1868 851eaea1aeb48c7a645091fe7a71563f_JaffaCakes118.exe 95 PID 1868 wrote to memory of 5008 1868 851eaea1aeb48c7a645091fe7a71563f_JaffaCakes118.exe 95 PID 1868 wrote to memory of 5008 1868 851eaea1aeb48c7a645091fe7a71563f_JaffaCakes118.exe 95 PID 5008 wrote to memory of 3324 5008 msd1csc.exe 96 PID 5008 wrote to memory of 3324 5008 msd1csc.exe 96 PID 5008 wrote to memory of 3324 5008 msd1csc.exe 96 PID 5008 wrote to memory of 3324 5008 msd1csc.exe 96 PID 5008 wrote to memory of 3324 5008 msd1csc.exe 96 PID 5008 wrote to memory of 3324 5008 msd1csc.exe 96 PID 5008 wrote to memory of 3324 5008 msd1csc.exe 96 PID 5008 wrote to memory of 3324 5008 msd1csc.exe 96 PID 5008 wrote to memory of 3324 5008 msd1csc.exe 96 PID 5008 wrote to memory of 3324 5008 msd1csc.exe 96 PID 5008 wrote to memory of 3324 5008 msd1csc.exe 96 PID 5008 wrote to memory of 3324 5008 msd1csc.exe 96 PID 5008 wrote to memory of 3324 5008 msd1csc.exe 96 PID 5008 wrote to memory of 3324 5008 msd1csc.exe 96 PID 5008 wrote to memory of 3324 5008 msd1csc.exe 96 PID 5008 wrote to memory of 3324 5008 msd1csc.exe 96 PID 5008 wrote to memory of 3324 5008 msd1csc.exe 96 PID 5008 wrote to memory of 3324 5008 msd1csc.exe 96 PID 5008 wrote to memory of 3324 5008 msd1csc.exe 96 PID 5008 wrote to memory of 3324 5008 msd1csc.exe 96 PID 5008 wrote to memory of 3324 5008 msd1csc.exe 96 PID 5008 wrote to memory of 3324 5008 msd1csc.exe 96 -
System policy modification 1 TTPs 3 IoCs
description ioc Process Key created \REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\CurrentVersion msd1csc.exe Key created \REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\CurrentVersion\Explorern msd1csc.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\CurrentVersion\Explorern\NoControlPanel = "1" msd1csc.exe -
Views/modifies file attributes 1 TTPs 2 IoCs
pid Process 4560 attrib.exe 4732 attrib.exe
Processes
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C:\Users\Admin\AppData\Local\Temp\851eaea1aeb48c7a645091fe7a71563f_JaffaCakes118.exe"C:\Users\Admin\AppData\Local\Temp\851eaea1aeb48c7a645091fe7a71563f_JaffaCakes118.exe"1⤵
- Modifies WinLogon for persistence
- Checks computer location settings
- Adds Run key to start application
- Modifies registry class
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:1868 -
C:\Windows\SysWOW64\cmd.exe"C:\Windows\System32\cmd.exe" /k attrib "C:\Users\Admin\AppData\Local\Temp\851eaea1aeb48c7a645091fe7a71563f_JaffaCakes118.exe" +s +h2⤵
- Suspicious use of WriteProcessMemory
PID:396 -
C:\Windows\SysWOW64\attrib.exeattrib "C:\Users\Admin\AppData\Local\Temp\851eaea1aeb48c7a645091fe7a71563f_JaffaCakes118.exe" +s +h3⤵
- Sets file to hidden
- Views/modifies file attributes
PID:4560
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C:\Windows\SysWOW64\cmd.exe"C:\Windows\System32\cmd.exe" /k attrib "C:\Users\Admin\AppData\Local\Temp" +s +h2⤵
- Suspicious use of WriteProcessMemory
PID:2544 -
C:\Windows\SysWOW64\attrib.exeattrib "C:\Users\Admin\AppData\Local\Temp" +s +h3⤵
- Sets file to hidden
- Views/modifies file attributes
PID:4732
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C:\Windows\SysWOW64\notepad.exenotepad2⤵
- Deletes itself
PID:5076
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C:\Users\Admin\AppData\Local\Temp\MSDC1SC\msd1csc.exe"C:\Users\Admin\AppData\Local\Temp\MSDC1SC\msd1csc.exe"2⤵
- Modifies firewall policy service
- Modifies security service
- Windows security bypass
- Executes dropped EXE
- Windows security modification
- Adds Run key to start application
- Suspicious behavior: GetForegroundWindowSpam
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
- System policy modification
PID:5008 -
C:\Windows\SysWOW64\notepad.exenotepad3⤵PID:3324
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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
2Replay Monitor
Loading Replay Monitor...
Downloads
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Filesize
252KB
MD5851eaea1aeb48c7a645091fe7a71563f
SHA148708af16d389550d8222a44d61a90915580f42c
SHA2563d04594eff098470ca30f44f76eff4fb2a7d3b32e45ee204b65c36a5c2fc2dd6
SHA51230f3e98ec13b38a955883a8bee81ff493c309a05a74bda5a4ac772b9e741e904a5c9adcfb024170ba15eaa71915c0dbe4d084d02a2655c534d28b826e6c7a00f