Analysis
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max time kernel
119s -
max time network
120s -
platform
windows10-2004_x64 -
resource
win10v2004-20241007-en -
resource tags
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submitted
11/10/2024, 09:27
General
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Target
aea5d3574ce30782d8079cb72ba9d7c7d63e3ef0c7d9f9356297b27b923143d5N.exe
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Size
986KB
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MD5
22a2278fc97db1a510ef9a2fbf5d7e90
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SHA1
6c180bb95fb3bd856bd941ec6e9096058ba5536b
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SHA256
aea5d3574ce30782d8079cb72ba9d7c7d63e3ef0c7d9f9356297b27b923143d5
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SHA512
9810975b5816c8fdb6e218efc09f92b06e795d01cb33fb323b414441b3235eb3c4a174eea514490c5aeb7f6ba10eb238631caf81f7bad3e98b4fd89a92929c58
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SSDEEP
24576:CAEENIq8XwyVPQclDq/+WnpITZ4ATlZfHeuAEx3qs:CAEsw722WnI3PeuAWt
Malware Config
Signatures
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Darkcomet
DarkComet is a remote access trojan (RAT) developed by Jean-Pierre Lesueur.
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Modifies WinLogon for persistence 2 TTPs 1 IoCs
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Modifies firewall policy service 3 TTPs 6 IoCs
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Modifies security service 2 TTPs 2 IoCs
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Disables RegEdit via registry modification 2 IoCs
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Disables Task Manager via registry modification
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Checks BIOS information in registry 2 TTPs 2 IoCs
BIOS information is often read in order to detect sandboxing environments.
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Checks computer location settings 2 TTPs 1 IoCs
Looks up country code configured in the registry, likely geofence.
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Executes dropped EXE 1 IoCs
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Adds Run key to start application 2 TTPs 1 IoCs
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Drops file in Windows directory 3 IoCs
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Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s).
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Program crash 1 IoCs
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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.
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System Network Configuration Discovery: Internet Connection Discovery 1 TTPs 1 IoCs
Adversaries may check for Internet connectivity on compromised systems.
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Checks processor information in registry 2 TTPs 8 IoCs
Processor information is often read in order to detect sandboxing environments.
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Enumerates system info in registry 2 TTPs 2 IoCs
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Modifies registry class 1 IoCs
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Runs ping.exe 1 TTPs 1 IoCs
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Suspicious behavior: GetForegroundWindowSpam 1 IoCs
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Suspicious use of AdjustPrivilegeToken 48 IoCs
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Suspicious use of SetWindowsHookEx 1 IoCs
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Suspicious use of WriteProcessMemory 9 IoCs
Processes
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C:\Users\Admin\AppData\Local\Temp\aea5d3574ce30782d8079cb72ba9d7c7d63e3ef0c7d9f9356297b27b923143d5N.exe"C:\Users\Admin\AppData\Local\Temp\aea5d3574ce30782d8079cb72ba9d7c7d63e3ef0c7d9f9356297b27b923143d5N.exe"1⤵
- Modifies WinLogon for persistence
- Modifies firewall policy service
- Modifies security service
- Disables RegEdit via registry modification
- Checks BIOS information in registry
- Checks computer location settings
- Adds Run key to start application
- Drops file in Windows directory
- System Location Discovery: System Language Discovery
- Checks processor information in registry
- Enumerates system info in registry
- Modifies registry class
- Suspicious behavior: GetForegroundWindowSpam
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
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C:\Windows\x32\upd.exe"C:\Windows\x32\upd.exe"2⤵
- Modifies firewall policy service
- Modifies security service
- Disables RegEdit via registry modification
- Checks BIOS information in registry
- Executes dropped EXE
- System Location Discovery: System Language Discovery
- Checks processor information in registry
- Enumerates system info in registry
- Suspicious use of AdjustPrivilegeToken
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C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -u -p 2420 -s 6883⤵
- Program crash
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C:\Windows\SysWOW64\cmd.exeC:\Windows\system32\cmd.exe /c ""C:\Users\Admin\AppData\Local\Temp\_dcsc_.bat" "2⤵
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
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C:\Windows\SysWOW64\PING.EXEping 127.0.0.1 -n 23⤵
- System Location Discovery: System Language Discovery
- System Network Configuration Discovery: Internet Connection Discovery
- Runs ping.exe
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C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -pss -s 408 -p 2420 -ip 24201⤵
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
Impair Defenses
1Disable or Modify System Firewall
1Modify Registry
4Replay Monitor
Loading Replay Monitor...
Downloads
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Filesize
138B
MD5473cf59101857d250d38fa73cdfeb27c
SHA1d33d674c92974e04766cc221378ab1b019f8bff8
SHA2564d1261de7866d1d9048b4da9f283f256c692d739d0cd7d1e24a1bf4cf43282b0
SHA512851a93900fac7d764e41975dfc8242f698861046649530bd105bf76e4313f8de338f99e8231572695e87a3d5537be944aeeaca2cf488cac49c4dd95c04924078
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Filesize
986KB
MD522a2278fc97db1a510ef9a2fbf5d7e90
SHA16c180bb95fb3bd856bd941ec6e9096058ba5536b
SHA256aea5d3574ce30782d8079cb72ba9d7c7d63e3ef0c7d9f9356297b27b923143d5
SHA5129810975b5816c8fdb6e218efc09f92b06e795d01cb33fb323b414441b3235eb3c4a174eea514490c5aeb7f6ba10eb238631caf81f7bad3e98b4fd89a92929c58
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Filesize
1.0MB
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Filesize
1.0MB
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Filesize
1.0MB
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Filesize
4KB
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Filesize
1.0MB
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Filesize
4KB
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Filesize
1.0MB
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Filesize
1.0MB
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Filesize
1.0MB
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Filesize
1.0MB
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Filesize
1.0MB
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Filesize
1.0MB
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Filesize
1.0MB
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Filesize
1.0MB
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Filesize
1.0MB
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Filesize
1.0MB
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Filesize
1.0MB
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Filesize
4KB