Analysis
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max time kernel
150s -
max time network
147s -
platform
windows10-2004_x64 -
resource
win10v2004-20241007-en -
resource tags
arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-x64system -
submitted
26-10-2024 21:08
Behavioral task
behavioral1
Sample
5c238bef33a4fb8662513b830dd9de975c9d13f23b8efdbb3532c682bf180578.exe
Resource
win7-20241023-en
General
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Target
5c238bef33a4fb8662513b830dd9de975c9d13f23b8efdbb3532c682bf180578.exe
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Size
283KB
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MD5
0137cad2f4aa8106ca20f59b4f3d99c7
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SHA1
3c592c1b2f39d37ad68250f264887865be576f46
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SHA256
5c238bef33a4fb8662513b830dd9de975c9d13f23b8efdbb3532c682bf180578
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SHA512
d019103f20906b4641cafb1323ac880d144826754049d7cb7c84647e77cddea743520e431f9dfdc050711d9e8dd2d9ff5baa855cda8ee597b99a2d8fbb2d41df
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SSDEEP
6144:DcNYS996KFifeVjBpeExgVTFSXFoMc5RhCaL37G:DcW7KEZlPzCy37G
Malware Config
Extracted
darkcomet
ARABEFF
foru.no-ip.info:1604
foru.no-ip.info:5555
foru.no-ip.info:2000
foru1.no-ip.info:2000
foru1.no-ip.info:5555
foru1.no-ip.info:1604
desgarrada.no-ip.org:1604
desgarrada1.no-ip.org:1604
Svchost
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InstallPath
Windows\windows.exe
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gencode
2uVzLNvVHcYl
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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\\system32\\Windows\\windows.exe" 5c238bef33a4fb8662513b830dd9de975c9d13f23b8efdbb3532c682bf180578.exe -
description ioc Process Set value (str) \REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Security Center\AntiVirusDisableNotify = "1" windows.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-1-5-21-1045960512-3948844814-3059691613-1000\Control Panel\International\Geo\Nation 5c238bef33a4fb8662513b830dd9de975c9d13f23b8efdbb3532c682bf180578.exe -
Deletes itself 1 IoCs
pid Process 3592 notepad.exe -
Executes dropped EXE 1 IoCs
pid Process 2424 windows.exe -
description ioc Process Set value (str) \REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Security Center\AntiVirusDisableNotify = "1" windows.exe -
Adds Run key to start application 2 TTPs 2 IoCs
description ioc Process Set value (str) \REGISTRY\USER\S-1-5-21-1045960512-3948844814-3059691613-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\MicroUpdate = "C:\\Windows\\system32\\Windows\\windows.exe" 5c238bef33a4fb8662513b830dd9de975c9d13f23b8efdbb3532c682bf180578.exe Set value (str) \REGISTRY\USER\S-1-5-21-1045960512-3948844814-3059691613-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\MicroUpdate = "C:\\Windows\\system32\\Windows\\windows.exe" windows.exe -
Drops file in System32 directory 3 IoCs
description ioc Process File created C:\Windows\SysWOW64\Windows\windows.exe 5c238bef33a4fb8662513b830dd9de975c9d13f23b8efdbb3532c682bf180578.exe File opened for modification C:\Windows\SysWOW64\Windows\windows.exe 5c238bef33a4fb8662513b830dd9de975c9d13f23b8efdbb3532c682bf180578.exe File opened for modification C:\Windows\SysWOW64\Windows\ 5c238bef33a4fb8662513b830dd9de975c9d13f23b8efdbb3532c682bf180578.exe -
resource yara_rule behavioral2/memory/1392-0-0x0000000000400000-0x00000000004C7000-memory.dmp upx behavioral2/files/0x0007000000023c7f-7.dat upx behavioral2/memory/1392-19-0x0000000000400000-0x00000000004C7000-memory.dmp upx behavioral2/memory/2424-21-0x0000000000400000-0x00000000004C7000-memory.dmp upx behavioral2/memory/2424-23-0x0000000000400000-0x00000000004C7000-memory.dmp upx behavioral2/memory/2424-25-0x0000000000400000-0x00000000004C7000-memory.dmp upx behavioral2/memory/2424-27-0x0000000000400000-0x00000000004C7000-memory.dmp upx behavioral2/memory/2424-29-0x0000000000400000-0x00000000004C7000-memory.dmp upx behavioral2/memory/2424-31-0x0000000000400000-0x00000000004C7000-memory.dmp upx behavioral2/memory/2424-33-0x0000000000400000-0x00000000004C7000-memory.dmp upx behavioral2/memory/2424-35-0x0000000000400000-0x00000000004C7000-memory.dmp upx behavioral2/memory/2424-36-0x0000000000400000-0x00000000004C7000-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 4 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 notepad.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language windows.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language notepad.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language 5c238bef33a4fb8662513b830dd9de975c9d13f23b8efdbb3532c682bf180578.exe -
Suspicious use of AdjustPrivilegeToken 48 IoCs
description pid Process Token: SeIncreaseQuotaPrivilege 1392 5c238bef33a4fb8662513b830dd9de975c9d13f23b8efdbb3532c682bf180578.exe Token: SeSecurityPrivilege 1392 5c238bef33a4fb8662513b830dd9de975c9d13f23b8efdbb3532c682bf180578.exe Token: SeTakeOwnershipPrivilege 1392 5c238bef33a4fb8662513b830dd9de975c9d13f23b8efdbb3532c682bf180578.exe Token: SeLoadDriverPrivilege 1392 5c238bef33a4fb8662513b830dd9de975c9d13f23b8efdbb3532c682bf180578.exe Token: SeSystemProfilePrivilege 1392 5c238bef33a4fb8662513b830dd9de975c9d13f23b8efdbb3532c682bf180578.exe Token: SeSystemtimePrivilege 1392 5c238bef33a4fb8662513b830dd9de975c9d13f23b8efdbb3532c682bf180578.exe Token: SeProfSingleProcessPrivilege 1392 5c238bef33a4fb8662513b830dd9de975c9d13f23b8efdbb3532c682bf180578.exe Token: SeIncBasePriorityPrivilege 1392 5c238bef33a4fb8662513b830dd9de975c9d13f23b8efdbb3532c682bf180578.exe Token: SeCreatePagefilePrivilege 1392 5c238bef33a4fb8662513b830dd9de975c9d13f23b8efdbb3532c682bf180578.exe Token: SeBackupPrivilege 1392 5c238bef33a4fb8662513b830dd9de975c9d13f23b8efdbb3532c682bf180578.exe Token: SeRestorePrivilege 1392 5c238bef33a4fb8662513b830dd9de975c9d13f23b8efdbb3532c682bf180578.exe Token: SeShutdownPrivilege 1392 5c238bef33a4fb8662513b830dd9de975c9d13f23b8efdbb3532c682bf180578.exe Token: SeDebugPrivilege 1392 5c238bef33a4fb8662513b830dd9de975c9d13f23b8efdbb3532c682bf180578.exe Token: SeSystemEnvironmentPrivilege 1392 5c238bef33a4fb8662513b830dd9de975c9d13f23b8efdbb3532c682bf180578.exe Token: SeChangeNotifyPrivilege 1392 5c238bef33a4fb8662513b830dd9de975c9d13f23b8efdbb3532c682bf180578.exe Token: SeRemoteShutdownPrivilege 1392 5c238bef33a4fb8662513b830dd9de975c9d13f23b8efdbb3532c682bf180578.exe Token: SeUndockPrivilege 1392 5c238bef33a4fb8662513b830dd9de975c9d13f23b8efdbb3532c682bf180578.exe Token: SeManageVolumePrivilege 1392 5c238bef33a4fb8662513b830dd9de975c9d13f23b8efdbb3532c682bf180578.exe Token: SeImpersonatePrivilege 1392 5c238bef33a4fb8662513b830dd9de975c9d13f23b8efdbb3532c682bf180578.exe Token: SeCreateGlobalPrivilege 1392 5c238bef33a4fb8662513b830dd9de975c9d13f23b8efdbb3532c682bf180578.exe Token: 33 1392 5c238bef33a4fb8662513b830dd9de975c9d13f23b8efdbb3532c682bf180578.exe Token: 34 1392 5c238bef33a4fb8662513b830dd9de975c9d13f23b8efdbb3532c682bf180578.exe Token: 35 1392 5c238bef33a4fb8662513b830dd9de975c9d13f23b8efdbb3532c682bf180578.exe Token: 36 1392 5c238bef33a4fb8662513b830dd9de975c9d13f23b8efdbb3532c682bf180578.exe Token: SeIncreaseQuotaPrivilege 2424 windows.exe Token: SeSecurityPrivilege 2424 windows.exe Token: SeTakeOwnershipPrivilege 2424 windows.exe Token: SeLoadDriverPrivilege 2424 windows.exe Token: SeSystemProfilePrivilege 2424 windows.exe Token: SeSystemtimePrivilege 2424 windows.exe Token: SeProfSingleProcessPrivilege 2424 windows.exe Token: SeIncBasePriorityPrivilege 2424 windows.exe Token: SeCreatePagefilePrivilege 2424 windows.exe Token: SeBackupPrivilege 2424 windows.exe Token: SeRestorePrivilege 2424 windows.exe Token: SeShutdownPrivilege 2424 windows.exe Token: SeDebugPrivilege 2424 windows.exe Token: SeSystemEnvironmentPrivilege 2424 windows.exe Token: SeChangeNotifyPrivilege 2424 windows.exe Token: SeRemoteShutdownPrivilege 2424 windows.exe Token: SeUndockPrivilege 2424 windows.exe Token: SeManageVolumePrivilege 2424 windows.exe Token: SeImpersonatePrivilege 2424 windows.exe Token: SeCreateGlobalPrivilege 2424 windows.exe Token: 33 2424 windows.exe Token: 34 2424 windows.exe Token: 35 2424 windows.exe Token: 36 2424 windows.exe -
Suspicious use of SetWindowsHookEx 1 IoCs
pid Process 2424 windows.exe -
Suspicious use of WriteProcessMemory 42 IoCs
description pid Process procid_target PID 1392 wrote to memory of 3592 1392 5c238bef33a4fb8662513b830dd9de975c9d13f23b8efdbb3532c682bf180578.exe 85 PID 1392 wrote to memory of 3592 1392 5c238bef33a4fb8662513b830dd9de975c9d13f23b8efdbb3532c682bf180578.exe 85 PID 1392 wrote to memory of 3592 1392 5c238bef33a4fb8662513b830dd9de975c9d13f23b8efdbb3532c682bf180578.exe 85 PID 1392 wrote to memory of 3592 1392 5c238bef33a4fb8662513b830dd9de975c9d13f23b8efdbb3532c682bf180578.exe 85 PID 1392 wrote to memory of 3592 1392 5c238bef33a4fb8662513b830dd9de975c9d13f23b8efdbb3532c682bf180578.exe 85 PID 1392 wrote to memory of 3592 1392 5c238bef33a4fb8662513b830dd9de975c9d13f23b8efdbb3532c682bf180578.exe 85 PID 1392 wrote to memory of 3592 1392 5c238bef33a4fb8662513b830dd9de975c9d13f23b8efdbb3532c682bf180578.exe 85 PID 1392 wrote to memory of 3592 1392 5c238bef33a4fb8662513b830dd9de975c9d13f23b8efdbb3532c682bf180578.exe 85 PID 1392 wrote to memory of 3592 1392 5c238bef33a4fb8662513b830dd9de975c9d13f23b8efdbb3532c682bf180578.exe 85 PID 1392 wrote to memory of 3592 1392 5c238bef33a4fb8662513b830dd9de975c9d13f23b8efdbb3532c682bf180578.exe 85 PID 1392 wrote to memory of 3592 1392 5c238bef33a4fb8662513b830dd9de975c9d13f23b8efdbb3532c682bf180578.exe 85 PID 1392 wrote to memory of 3592 1392 5c238bef33a4fb8662513b830dd9de975c9d13f23b8efdbb3532c682bf180578.exe 85 PID 1392 wrote to memory of 3592 1392 5c238bef33a4fb8662513b830dd9de975c9d13f23b8efdbb3532c682bf180578.exe 85 PID 1392 wrote to memory of 3592 1392 5c238bef33a4fb8662513b830dd9de975c9d13f23b8efdbb3532c682bf180578.exe 85 PID 1392 wrote to memory of 3592 1392 5c238bef33a4fb8662513b830dd9de975c9d13f23b8efdbb3532c682bf180578.exe 85 PID 1392 wrote to memory of 3592 1392 5c238bef33a4fb8662513b830dd9de975c9d13f23b8efdbb3532c682bf180578.exe 85 PID 1392 wrote to memory of 3592 1392 5c238bef33a4fb8662513b830dd9de975c9d13f23b8efdbb3532c682bf180578.exe 85 PID 1392 wrote to memory of 2424 1392 5c238bef33a4fb8662513b830dd9de975c9d13f23b8efdbb3532c682bf180578.exe 86 PID 1392 wrote to memory of 2424 1392 5c238bef33a4fb8662513b830dd9de975c9d13f23b8efdbb3532c682bf180578.exe 86 PID 1392 wrote to memory of 2424 1392 5c238bef33a4fb8662513b830dd9de975c9d13f23b8efdbb3532c682bf180578.exe 86 PID 2424 wrote to memory of 2512 2424 windows.exe 87 PID 2424 wrote to memory of 2512 2424 windows.exe 87 PID 2424 wrote to memory of 2512 2424 windows.exe 87 PID 2424 wrote to memory of 2512 2424 windows.exe 87 PID 2424 wrote to memory of 2512 2424 windows.exe 87 PID 2424 wrote to memory of 2512 2424 windows.exe 87 PID 2424 wrote to memory of 2512 2424 windows.exe 87 PID 2424 wrote to memory of 2512 2424 windows.exe 87 PID 2424 wrote to memory of 2512 2424 windows.exe 87 PID 2424 wrote to memory of 2512 2424 windows.exe 87 PID 2424 wrote to memory of 2512 2424 windows.exe 87 PID 2424 wrote to memory of 2512 2424 windows.exe 87 PID 2424 wrote to memory of 2512 2424 windows.exe 87 PID 2424 wrote to memory of 2512 2424 windows.exe 87 PID 2424 wrote to memory of 2512 2424 windows.exe 87 PID 2424 wrote to memory of 2512 2424 windows.exe 87 PID 2424 wrote to memory of 2512 2424 windows.exe 87 PID 2424 wrote to memory of 2512 2424 windows.exe 87 PID 2424 wrote to memory of 2512 2424 windows.exe 87 PID 2424 wrote to memory of 2512 2424 windows.exe 87 PID 2424 wrote to memory of 2512 2424 windows.exe 87 PID 2424 wrote to memory of 2512 2424 windows.exe 87
Processes
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C:\Users\Admin\AppData\Local\Temp\5c238bef33a4fb8662513b830dd9de975c9d13f23b8efdbb3532c682bf180578.exe"C:\Users\Admin\AppData\Local\Temp\5c238bef33a4fb8662513b830dd9de975c9d13f23b8efdbb3532c682bf180578.exe"1⤵
- Modifies WinLogon for persistence
- Checks computer location settings
- Adds Run key to start application
- Drops file in System32 directory
- System Location Discovery: System Language Discovery
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:1392 -
C:\Windows\SysWOW64\notepad.exenotepad2⤵
- Deletes itself
- System Location Discovery: System Language Discovery
PID:3592
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C:\Windows\SysWOW64\Windows\windows.exe"C:\Windows\system32\Windows\windows.exe"2⤵
- Windows security bypass
- Executes dropped EXE
- Windows security modification
- Adds Run key to start application
- System Location Discovery: System Language Discovery
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:2424 -
C:\Windows\SysWOW64\notepad.exenotepad3⤵
- System Location Discovery: System Language Discovery
PID:2512
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Network
MITRE ATT&CK Enterprise v15
Persistence
Boot or Logon Autostart Execution
2Registry Run Keys / Startup Folder
1Winlogon Helper DLL
1Privilege Escalation
Boot or Logon Autostart Execution
2Registry Run Keys / Startup Folder
1Winlogon Helper DLL
1Replay Monitor
Loading Replay Monitor...
Downloads
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Filesize
283KB
MD50137cad2f4aa8106ca20f59b4f3d99c7
SHA13c592c1b2f39d37ad68250f264887865be576f46
SHA2565c238bef33a4fb8662513b830dd9de975c9d13f23b8efdbb3532c682bf180578
SHA512d019103f20906b4641cafb1323ac880d144826754049d7cb7c84647e77cddea743520e431f9dfdc050711d9e8dd2d9ff5baa855cda8ee597b99a2d8fbb2d41df