Analysis
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max time kernel
138s -
max time network
180s -
platform
windows7_x64 -
resource
win7-20220812-en -
resource tags
arch:x64arch:x86image:win7-20220812-enlocale:en-usos:windows7-x64system -
submitted
11-10-2022 17:56
Static task
static1
Behavioral task
behavioral1
Sample
a1ca0af8b287aa3a97b2051dc5bcd8507865c62b456efc3a4813657a436e01b9.exe
Resource
win7-20220812-en
Behavioral task
behavioral2
Sample
a1ca0af8b287aa3a97b2051dc5bcd8507865c62b456efc3a4813657a436e01b9.exe
Resource
win10v2004-20220812-en
General
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Target
a1ca0af8b287aa3a97b2051dc5bcd8507865c62b456efc3a4813657a436e01b9.exe
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Size
164KB
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MD5
257ee727a2b01632267e2f0be7393e90
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SHA1
6b78740d0df0369e90917a67739091ce7ab68756
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SHA256
a1ca0af8b287aa3a97b2051dc5bcd8507865c62b456efc3a4813657a436e01b9
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SHA512
053ad7ab4d497336bbf7265d6accf82922e9d7df3e5338d793efd8d5e1b54cafc7c74218728228cebb3d61813c1a2a246e8abdc3ce4a97408200e0b4a1cb4e85
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SSDEEP
3072:5eRkfwLREVV1fVmUZY4Rj+dyS25Z7ixL0pJoh0:cV6V1YUZY4Rj6yS4dixL0pJo
Malware Config
Signatures
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Modifies security service 2 TTPs 4 IoCs
description ioc Process Key deleted \REGISTRY\MACHINE\SYSTEM\ControlSet001\services\WinDefend\Parameters a1ca0af8b287aa3a97b2051dc5bcd8507865c62b456efc3a4813657a436e01b9.exe Key deleted \REGISTRY\MACHINE\SYSTEM\ControlSet001\services\WinDefend\Security a1ca0af8b287aa3a97b2051dc5bcd8507865c62b456efc3a4813657a436e01b9.exe Key deleted \REGISTRY\MACHINE\SYSTEM\ControlSet001\services\WinDefend\TriggerInfo\0 a1ca0af8b287aa3a97b2051dc5bcd8507865c62b456efc3a4813657a436e01b9.exe Key deleted \REGISTRY\MACHINE\SYSTEM\ControlSet001\services\WinDefend\TriggerInfo a1ca0af8b287aa3a97b2051dc5bcd8507865c62b456efc3a4813657a436e01b9.exe -
Executes dropped EXE 2 IoCs
pid Process 1268 Explorer.EXE 460 services.exe -
Registers COM server for autorun 1 TTPs 4 IoCs
description ioc Process Key created \REGISTRY\USER\S-1-5-21-2292972927-2705560509-2768824231-1000_CLASSES\CLSID\{fbeb8a05-beee-4442-804e-409d6c4515e9}\InprocServer32 a1ca0af8b287aa3a97b2051dc5bcd8507865c62b456efc3a4813657a436e01b9.exe Set value (str) \REGISTRY\USER\S-1-5-21-2292972927-2705560509-2768824231-1000_CLASSES\CLSID\{fbeb8a05-beee-4442-804e-409d6c4515e9}\InprocServer32\ThreadingModel = "Both" a1ca0af8b287aa3a97b2051dc5bcd8507865c62b456efc3a4813657a436e01b9.exe Set value (str) \REGISTRY\USER\S-1-5-21-2292972927-2705560509-2768824231-1000_CLASSES\CLSID\{fbeb8a05-beee-4442-804e-409d6c4515e9}\InprocServer32\ = "C:\\$Recycle.Bin\\S-1-5-21-2292972927-2705560509-2768824231-1000\\$a31e499c3c7c222a40fd7fc6e142514c\\n." a1ca0af8b287aa3a97b2051dc5bcd8507865c62b456efc3a4813657a436e01b9.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\CLSID\{5839FCA9-774D-42A1-ACDA-D6A79037F57F}\InprocServer32\ = "C:\\$Recycle.Bin\\S-1-5-18\\$a31e499c3c7c222a40fd7fc6e142514c\\n." a1ca0af8b287aa3a97b2051dc5bcd8507865c62b456efc3a4813657a436e01b9.exe -
Unexpected DNS network traffic destination 9 IoCs
Network traffic to other servers than the configured DNS servers was detected on the DNS port.
description ioc Destination IP 83.133.123.20 Destination IP 83.133.123.20 Destination IP 83.133.123.20 Destination IP 83.133.123.20 Destination IP 83.133.123.20 Destination IP 83.133.123.20 Destination IP 83.133.123.20 Destination IP 83.133.123.20 Destination IP 83.133.123.20 -
Drops desktop.ini file(s) 2 IoCs
description ioc Process File created \systemroot\assembly\GAC_64\Desktop.ini services.exe File created \systemroot\assembly\GAC_32\Desktop.ini services.exe -
Drops file in System32 directory 2 IoCs
description ioc Process File opened for modification C:\Windows\System32\CatRoot2\dberr.txt a1ca0af8b287aa3a97b2051dc5bcd8507865c62b456efc3a4813657a436e01b9.exe File opened for modification C:\Windows\System32\CatRoot2\dberr.txt a1ca0af8b287aa3a97b2051dc5bcd8507865c62b456efc3a4813657a436e01b9.exe -
Suspicious use of SetThreadContext 3 IoCs
description pid Process procid_target PID 1880 set thread context of 1092 1880 a1ca0af8b287aa3a97b2051dc5bcd8507865c62b456efc3a4813657a436e01b9.exe 27 PID 1880 set thread context of 1092 1880 a1ca0af8b287aa3a97b2051dc5bcd8507865c62b456efc3a4813657a436e01b9.exe 27 PID 1880 set thread context of 1092 1880 a1ca0af8b287aa3a97b2051dc5bcd8507865c62b456efc3a4813657a436e01b9.exe 27 -
Drops file in Program Files directory 18 IoCs
description ioc Process File opened for modification C:\Program Files\Windows Defender\MpEvMsg.dll:! a1ca0af8b287aa3a97b2051dc5bcd8507865c62b456efc3a4813657a436e01b9.exe File opened for modification C:\Program Files\Windows Defender\es-ES:! a1ca0af8b287aa3a97b2051dc5bcd8507865c62b456efc3a4813657a436e01b9.exe File opened for modification C:\Program Files\Windows Defender\fr-FR:! a1ca0af8b287aa3a97b2051dc5bcd8507865c62b456efc3a4813657a436e01b9.exe File opened for modification C:\Program Files\Windows Defender\it-IT:! a1ca0af8b287aa3a97b2051dc5bcd8507865c62b456efc3a4813657a436e01b9.exe File opened for modification C:\Program Files\Windows Defender\MpAsDesc.dll:! a1ca0af8b287aa3a97b2051dc5bcd8507865c62b456efc3a4813657a436e01b9.exe File opened for modification C:\Program Files\Windows Defender\MpClient.dll:! a1ca0af8b287aa3a97b2051dc5bcd8507865c62b456efc3a4813657a436e01b9.exe File opened for modification C:\Program Files\Windows Defender\de-DE:! a1ca0af8b287aa3a97b2051dc5bcd8507865c62b456efc3a4813657a436e01b9.exe File opened for modification C:\Program Files\Windows Defender\MpSvc.dll:! a1ca0af8b287aa3a97b2051dc5bcd8507865c62b456efc3a4813657a436e01b9.exe File opened for modification C:\Program Files\Windows Defender\MSASCui.exe:! a1ca0af8b287aa3a97b2051dc5bcd8507865c62b456efc3a4813657a436e01b9.exe File opened for modification C:\Program Files\Windows Defender\MsMpLics.dll:! a1ca0af8b287aa3a97b2051dc5bcd8507865c62b456efc3a4813657a436e01b9.exe File opened for modification C:\Program Files\Windows Defender\MpCommu.dll:! a1ca0af8b287aa3a97b2051dc5bcd8507865c62b456efc3a4813657a436e01b9.exe File opened for modification C:\Program Files\Windows Defender\MpOAV.dll:! a1ca0af8b287aa3a97b2051dc5bcd8507865c62b456efc3a4813657a436e01b9.exe File opened for modification C:\Program Files\Windows Defender\MpRTP.dll:! a1ca0af8b287aa3a97b2051dc5bcd8507865c62b456efc3a4813657a436e01b9.exe File opened for modification C:\Program Files\Windows Defender\MsMpCom.dll:! a1ca0af8b287aa3a97b2051dc5bcd8507865c62b456efc3a4813657a436e01b9.exe File opened for modification C:\Program Files\Windows Defender\MsMpRes.dll:! a1ca0af8b287aa3a97b2051dc5bcd8507865c62b456efc3a4813657a436e01b9.exe File opened for modification C:\Program Files\Windows Defender\en-US:! a1ca0af8b287aa3a97b2051dc5bcd8507865c62b456efc3a4813657a436e01b9.exe File opened for modification C:\Program Files\Windows Defender\ja-JP:! a1ca0af8b287aa3a97b2051dc5bcd8507865c62b456efc3a4813657a436e01b9.exe File opened for modification C:\Program Files\Windows Defender\MpCmdRun.exe:! a1ca0af8b287aa3a97b2051dc5bcd8507865c62b456efc3a4813657a436e01b9.exe -
Modifies registry class 6 IoCs
description ioc Process Key created \REGISTRY\USER\S-1-5-21-2292972927-2705560509-2768824231-1000_CLASSES\CLSID\{fbeb8a05-beee-4442-804e-409d6c4515e9}\InprocServer32 a1ca0af8b287aa3a97b2051dc5bcd8507865c62b456efc3a4813657a436e01b9.exe Set value (str) \REGISTRY\USER\S-1-5-21-2292972927-2705560509-2768824231-1000_CLASSES\CLSID\{fbeb8a05-beee-4442-804e-409d6c4515e9}\InprocServer32\ThreadingModel = "Both" a1ca0af8b287aa3a97b2051dc5bcd8507865c62b456efc3a4813657a436e01b9.exe Set value (str) \REGISTRY\USER\S-1-5-21-2292972927-2705560509-2768824231-1000_CLASSES\CLSID\{fbeb8a05-beee-4442-804e-409d6c4515e9}\InprocServer32\ = "C:\\$Recycle.Bin\\S-1-5-21-2292972927-2705560509-2768824231-1000\\$a31e499c3c7c222a40fd7fc6e142514c\\n." a1ca0af8b287aa3a97b2051dc5bcd8507865c62b456efc3a4813657a436e01b9.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\CLSID\{5839FCA9-774D-42A1-ACDA-D6A79037F57F}\InprocServer32\ = "C:\\$Recycle.Bin\\S-1-5-18\\$a31e499c3c7c222a40fd7fc6e142514c\\n." a1ca0af8b287aa3a97b2051dc5bcd8507865c62b456efc3a4813657a436e01b9.exe Key created \REGISTRY\USER\S-1-5-21-2292972927-2705560509-2768824231-1000_CLASSES\clsid a1ca0af8b287aa3a97b2051dc5bcd8507865c62b456efc3a4813657a436e01b9.exe Key created \REGISTRY\USER\S-1-5-21-2292972927-2705560509-2768824231-1000_CLASSES\CLSID\{fbeb8a05-beee-4442-804e-409d6c4515e9} a1ca0af8b287aa3a97b2051dc5bcd8507865c62b456efc3a4813657a436e01b9.exe -
NTFS ADS 18 IoCs
description ioc Process File opened for modification C:\Program Files\Windows Defender\es-ES:! a1ca0af8b287aa3a97b2051dc5bcd8507865c62b456efc3a4813657a436e01b9.exe File opened for modification C:\Program Files\Windows Defender\it-IT:! a1ca0af8b287aa3a97b2051dc5bcd8507865c62b456efc3a4813657a436e01b9.exe File opened for modification C:\Program Files\Windows Defender\ja-JP:! a1ca0af8b287aa3a97b2051dc5bcd8507865c62b456efc3a4813657a436e01b9.exe File opened for modification C:\Program Files\Windows Defender\MpClient.dll:! a1ca0af8b287aa3a97b2051dc5bcd8507865c62b456efc3a4813657a436e01b9.exe File opened for modification C:\Program Files\Windows Defender\MpEvMsg.dll:! a1ca0af8b287aa3a97b2051dc5bcd8507865c62b456efc3a4813657a436e01b9.exe File opened for modification C:\Program Files\Windows Defender\MpSvc.dll:! a1ca0af8b287aa3a97b2051dc5bcd8507865c62b456efc3a4813657a436e01b9.exe File opened for modification C:\Program Files\Windows Defender\MpAsDesc.dll:! a1ca0af8b287aa3a97b2051dc5bcd8507865c62b456efc3a4813657a436e01b9.exe File opened for modification C:\Program Files\Windows Defender\MpRTP.dll:! a1ca0af8b287aa3a97b2051dc5bcd8507865c62b456efc3a4813657a436e01b9.exe File opened for modification C:\Program Files\Windows Defender\MsMpCom.dll:! a1ca0af8b287aa3a97b2051dc5bcd8507865c62b456efc3a4813657a436e01b9.exe File opened for modification C:\Program Files\Windows Defender\MpCmdRun.exe:! a1ca0af8b287aa3a97b2051dc5bcd8507865c62b456efc3a4813657a436e01b9.exe File opened for modification C:\Program Files\Windows Defender\MSASCui.exe:! a1ca0af8b287aa3a97b2051dc5bcd8507865c62b456efc3a4813657a436e01b9.exe File opened for modification C:\Program Files\Windows Defender\MsMpRes.dll:! a1ca0af8b287aa3a97b2051dc5bcd8507865c62b456efc3a4813657a436e01b9.exe File opened for modification C:\Program Files\Windows Defender\de-DE:! a1ca0af8b287aa3a97b2051dc5bcd8507865c62b456efc3a4813657a436e01b9.exe File opened for modification C:\Program Files\Windows Defender\en-US:! a1ca0af8b287aa3a97b2051dc5bcd8507865c62b456efc3a4813657a436e01b9.exe File opened for modification C:\Program Files\Windows Defender\fr-FR:! a1ca0af8b287aa3a97b2051dc5bcd8507865c62b456efc3a4813657a436e01b9.exe File opened for modification C:\Program Files\Windows Defender\MpCommu.dll:! a1ca0af8b287aa3a97b2051dc5bcd8507865c62b456efc3a4813657a436e01b9.exe File opened for modification C:\Program Files\Windows Defender\MpOAV.dll:! a1ca0af8b287aa3a97b2051dc5bcd8507865c62b456efc3a4813657a436e01b9.exe File opened for modification C:\Program Files\Windows Defender\MsMpLics.dll:! a1ca0af8b287aa3a97b2051dc5bcd8507865c62b456efc3a4813657a436e01b9.exe -
Suspicious behavior: EnumeratesProcesses 7 IoCs
pid Process 1092 a1ca0af8b287aa3a97b2051dc5bcd8507865c62b456efc3a4813657a436e01b9.exe 1092 a1ca0af8b287aa3a97b2051dc5bcd8507865c62b456efc3a4813657a436e01b9.exe 1092 a1ca0af8b287aa3a97b2051dc5bcd8507865c62b456efc3a4813657a436e01b9.exe 1092 a1ca0af8b287aa3a97b2051dc5bcd8507865c62b456efc3a4813657a436e01b9.exe 1092 a1ca0af8b287aa3a97b2051dc5bcd8507865c62b456efc3a4813657a436e01b9.exe 1092 a1ca0af8b287aa3a97b2051dc5bcd8507865c62b456efc3a4813657a436e01b9.exe 460 services.exe -
Suspicious behavior: MapViewOfSection 1 IoCs
pid Process 1880 a1ca0af8b287aa3a97b2051dc5bcd8507865c62b456efc3a4813657a436e01b9.exe -
Suspicious behavior: RenamesItself 1 IoCs
pid Process 1092 a1ca0af8b287aa3a97b2051dc5bcd8507865c62b456efc3a4813657a436e01b9.exe -
Suspicious use of AdjustPrivilegeToken 4 IoCs
description pid Process Token: SeDebugPrivilege 1092 a1ca0af8b287aa3a97b2051dc5bcd8507865c62b456efc3a4813657a436e01b9.exe Token: SeDebugPrivilege 1092 a1ca0af8b287aa3a97b2051dc5bcd8507865c62b456efc3a4813657a436e01b9.exe Token: SeDebugPrivilege 1092 a1ca0af8b287aa3a97b2051dc5bcd8507865c62b456efc3a4813657a436e01b9.exe Token: SeDebugPrivilege 460 services.exe -
Suspicious use of FindShellTrayWindow 2 IoCs
pid Process 1268 Explorer.EXE 1268 Explorer.EXE -
Suspicious use of SendNotifyMessage 2 IoCs
pid Process 1268 Explorer.EXE 1268 Explorer.EXE -
Suspicious use of WriteProcessMemory 7 IoCs
description pid Process procid_target PID 1880 wrote to memory of 1092 1880 a1ca0af8b287aa3a97b2051dc5bcd8507865c62b456efc3a4813657a436e01b9.exe 27 PID 1880 wrote to memory of 1092 1880 a1ca0af8b287aa3a97b2051dc5bcd8507865c62b456efc3a4813657a436e01b9.exe 27 PID 1880 wrote to memory of 1092 1880 a1ca0af8b287aa3a97b2051dc5bcd8507865c62b456efc3a4813657a436e01b9.exe 27 PID 1880 wrote to memory of 1092 1880 a1ca0af8b287aa3a97b2051dc5bcd8507865c62b456efc3a4813657a436e01b9.exe 27 PID 1092 wrote to memory of 1268 1092 a1ca0af8b287aa3a97b2051dc5bcd8507865c62b456efc3a4813657a436e01b9.exe 9 PID 1092 wrote to memory of 1268 1092 a1ca0af8b287aa3a97b2051dc5bcd8507865c62b456efc3a4813657a436e01b9.exe 9 PID 1092 wrote to memory of 460 1092 a1ca0af8b287aa3a97b2051dc5bcd8507865c62b456efc3a4813657a436e01b9.exe 2
Processes
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C:\Windows\system32\services.exeC:\Windows\system32\services.exe1⤵
- Executes dropped EXE
- Drops desktop.ini file(s)
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:460
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C:\Windows\Explorer.EXEC:\Windows\Explorer.EXE1⤵
- Executes dropped EXE
- Suspicious use of FindShellTrayWindow
- Suspicious use of SendNotifyMessage
PID:1268 -
C:\Users\Admin\AppData\Local\Temp\a1ca0af8b287aa3a97b2051dc5bcd8507865c62b456efc3a4813657a436e01b9.exe"C:\Users\Admin\AppData\Local\Temp\a1ca0af8b287aa3a97b2051dc5bcd8507865c62b456efc3a4813657a436e01b9.exe"2⤵
- Drops file in System32 directory
- Suspicious use of SetThreadContext
- Suspicious behavior: MapViewOfSection
- Suspicious use of WriteProcessMemory
PID:1880 -
C:\Users\Admin\AppData\Local\Temp\a1ca0af8b287aa3a97b2051dc5bcd8507865c62b456efc3a4813657a436e01b9.exe"C:\Users\Admin\AppData\Local\Temp\a1ca0af8b287aa3a97b2051dc5bcd8507865c62b456efc3a4813657a436e01b9.exe"3⤵
- Modifies security service
- Registers COM server for autorun
- Drops file in System32 directory
- Drops file in Program Files directory
- Modifies registry class
- NTFS ADS
- Suspicious behavior: EnumeratesProcesses
- Suspicious behavior: RenamesItself
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:1092
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Network
MITRE ATT&CK Enterprise v6
Replay Monitor
Loading Replay Monitor...
Downloads
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Filesize
2KB
MD5eb05a8918aad02e68aa4dac0583d8e3b
SHA1eaaeb696366a2702e4ee4827c4c59a929731fed0
SHA25625eb0f5a068217d070ebde698d549fea2415f94b57d3c342cc29ead8f34413a5
SHA512d790082dc7ecd2464d59dcf28d657aed5473aa9a5b0c55037bfeaeacea7e7d2b6e0eb898ff4fe53f8d1625ea64d96b6ec7f370959b05dd7bec13b33a07e89649
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Filesize
41KB
MD5fb4e3236959152a057bc6b7603c538ef
SHA1b25a70c07dd2eb1c9fdf89f7a2ffc286f226edf4
SHA2568244ddfcba327a3f67a5582642c53241ee5e58d75808547cd74808bcded272d0
SHA512993dbfbf71394ad1f120a8687d57eac2b9a55b11b1594aadd5a8d90edc0a26e5fd21f78317d342837ce27728613b5fc9c6ea40f86d17e5c477071be84f8aa3d2
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Filesize
41KB
MD5fb4e3236959152a057bc6b7603c538ef
SHA1b25a70c07dd2eb1c9fdf89f7a2ffc286f226edf4
SHA2568244ddfcba327a3f67a5582642c53241ee5e58d75808547cd74808bcded272d0
SHA512993dbfbf71394ad1f120a8687d57eac2b9a55b11b1594aadd5a8d90edc0a26e5fd21f78317d342837ce27728613b5fc9c6ea40f86d17e5c477071be84f8aa3d2
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Filesize
192KB
MD52f792de6f618c7e6e3e9893c8ae0bfb9
SHA178bed7ca4581e12b1b2010c7c6397a4a581e4ef7
SHA256651c4f9df70129cd67540d6ddd71dc88ed759ab980ed0c87a85faaeeb42947fc
SHA5129991ced68b10fdffb533e33e4d00fe9f14ad84e3c8ef0dad8efa5064314bcadd99ee13f25bf2066cb7be3f6bc85eb2ba7dd2bfffe93dc42f91bea6f5cce0e87d
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Filesize
41KB
MD5fb4e3236959152a057bc6b7603c538ef
SHA1b25a70c07dd2eb1c9fdf89f7a2ffc286f226edf4
SHA2568244ddfcba327a3f67a5582642c53241ee5e58d75808547cd74808bcded272d0
SHA512993dbfbf71394ad1f120a8687d57eac2b9a55b11b1594aadd5a8d90edc0a26e5fd21f78317d342837ce27728613b5fc9c6ea40f86d17e5c477071be84f8aa3d2
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Filesize
41KB
MD5fb4e3236959152a057bc6b7603c538ef
SHA1b25a70c07dd2eb1c9fdf89f7a2ffc286f226edf4
SHA2568244ddfcba327a3f67a5582642c53241ee5e58d75808547cd74808bcded272d0
SHA512993dbfbf71394ad1f120a8687d57eac2b9a55b11b1594aadd5a8d90edc0a26e5fd21f78317d342837ce27728613b5fc9c6ea40f86d17e5c477071be84f8aa3d2