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Analysis
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max time kernel
149s -
max time network
133s -
platform
windows10-2004_x64 -
resource
win10v2004-20220901-en -
resource tags
arch:x64arch:x86image:win10v2004-20220901-enlocale:en-usos:windows10-2004-x64system -
submitted
01/12/2022, 22:46
Static task
static1
Behavioral task
behavioral1
Sample
75c910ecd652474b6decb6ff6d97177c63b0eb824480352fdc3cc589de5cb8cf.exe
Resource
win7-20221111-en
Behavioral task
behavioral2
Sample
75c910ecd652474b6decb6ff6d97177c63b0eb824480352fdc3cc589de5cb8cf.exe
Resource
win10v2004-20220901-en
General
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Target
75c910ecd652474b6decb6ff6d97177c63b0eb824480352fdc3cc589de5cb8cf.exe
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Size
181KB
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MD5
eac1dd8cef50fcbdb306a83708a12b79
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SHA1
a9d6605c0381f21888f99b3d98e2237f790406b4
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SHA256
75c910ecd652474b6decb6ff6d97177c63b0eb824480352fdc3cc589de5cb8cf
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SHA512
44ff0ae07f788843cee8b5764524ba28450535264ed3918b0bcb703e0173ea606a327eff5007b9a94d0c340e6119fe0bd24b5fd4963ae719858f640e274d47e6
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SSDEEP
3072:ZIPGJHlGLODgrXD3zb3iwxchkiZLNEUygL974ybPNueVicYhyK8AuUr/:ZICFGgsXDSK0t/EUy66yjUel0uAu
Malware Config
Signatures
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Executes dropped EXE 1 IoCs
pid Process 2756 Explorer.EXE -
Registers COM server for autorun 1 TTPs 3 IoCs
description ioc Process Key created \REGISTRY\USER\S-1-5-21-929662420-1054238289-2961194603-1000_Classes\CLSID\{fbeb8a05-beee-4442-804e-409d6c4515e9}\InprocServer32 75c910ecd652474b6decb6ff6d97177c63b0eb824480352fdc3cc589de5cb8cf.exe Set value (str) \REGISTRY\USER\S-1-5-21-929662420-1054238289-2961194603-1000_Classes\CLSID\{fbeb8a05-beee-4442-804e-409d6c4515e9}\InprocServer32\ThreadingModel = "Both" 75c910ecd652474b6decb6ff6d97177c63b0eb824480352fdc3cc589de5cb8cf.exe Set value (str) \REGISTRY\USER\S-1-5-21-929662420-1054238289-2961194603-1000_Classes\CLSID\{fbeb8a05-beee-4442-804e-409d6c4515e9}\InprocServer32\ = "C:\\$Recycle.Bin\\S-1-5-21-929662420-1054238289-2961194603-1000\\$bfcb9398bfb2ca3f1731e604ea3da242\\n." 75c910ecd652474b6decb6ff6d97177c63b0eb824480352fdc3cc589de5cb8cf.exe -
Unexpected DNS network traffic destination 5 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 -
Modifies registry class 5 IoCs
description ioc Process Set value (str) \REGISTRY\USER\S-1-5-21-929662420-1054238289-2961194603-1000_Classes\CLSID\{fbeb8a05-beee-4442-804e-409d6c4515e9}\InprocServer32\ = "C:\\$Recycle.Bin\\S-1-5-21-929662420-1054238289-2961194603-1000\\$bfcb9398bfb2ca3f1731e604ea3da242\\n." 75c910ecd652474b6decb6ff6d97177c63b0eb824480352fdc3cc589de5cb8cf.exe Key created \REGISTRY\USER\S-1-5-21-929662420-1054238289-2961194603-1000_Classes\clsid 75c910ecd652474b6decb6ff6d97177c63b0eb824480352fdc3cc589de5cb8cf.exe Key created \REGISTRY\USER\S-1-5-21-929662420-1054238289-2961194603-1000_Classes\CLSID\{fbeb8a05-beee-4442-804e-409d6c4515e9} 75c910ecd652474b6decb6ff6d97177c63b0eb824480352fdc3cc589de5cb8cf.exe Key created \REGISTRY\USER\S-1-5-21-929662420-1054238289-2961194603-1000_Classes\CLSID\{fbeb8a05-beee-4442-804e-409d6c4515e9}\InprocServer32 75c910ecd652474b6decb6ff6d97177c63b0eb824480352fdc3cc589de5cb8cf.exe Set value (str) \REGISTRY\USER\S-1-5-21-929662420-1054238289-2961194603-1000_Classes\CLSID\{fbeb8a05-beee-4442-804e-409d6c4515e9}\InprocServer32\ThreadingModel = "Both" 75c910ecd652474b6decb6ff6d97177c63b0eb824480352fdc3cc589de5cb8cf.exe -
Suspicious behavior: EnumeratesProcesses 10 IoCs
pid Process 4348 75c910ecd652474b6decb6ff6d97177c63b0eb824480352fdc3cc589de5cb8cf.exe 4348 75c910ecd652474b6decb6ff6d97177c63b0eb824480352fdc3cc589de5cb8cf.exe 4348 75c910ecd652474b6decb6ff6d97177c63b0eb824480352fdc3cc589de5cb8cf.exe 4348 75c910ecd652474b6decb6ff6d97177c63b0eb824480352fdc3cc589de5cb8cf.exe 4348 75c910ecd652474b6decb6ff6d97177c63b0eb824480352fdc3cc589de5cb8cf.exe 4348 75c910ecd652474b6decb6ff6d97177c63b0eb824480352fdc3cc589de5cb8cf.exe 4348 75c910ecd652474b6decb6ff6d97177c63b0eb824480352fdc3cc589de5cb8cf.exe 4348 75c910ecd652474b6decb6ff6d97177c63b0eb824480352fdc3cc589de5cb8cf.exe 2756 Explorer.EXE 2756 Explorer.EXE -
Suspicious behavior: GetForegroundWindowSpam 1 IoCs
pid Process 2756 Explorer.EXE -
Suspicious use of AdjustPrivilegeToken 12 IoCs
description pid Process Token: SeDebugPrivilege 4348 75c910ecd652474b6decb6ff6d97177c63b0eb824480352fdc3cc589de5cb8cf.exe Token: SeDebugPrivilege 4348 75c910ecd652474b6decb6ff6d97177c63b0eb824480352fdc3cc589de5cb8cf.exe Token: SeDebugPrivilege 4348 75c910ecd652474b6decb6ff6d97177c63b0eb824480352fdc3cc589de5cb8cf.exe Token: SeShutdownPrivilege 2756 Explorer.EXE Token: SeCreatePagefilePrivilege 2756 Explorer.EXE Token: SeShutdownPrivilege 2756 Explorer.EXE Token: SeCreatePagefilePrivilege 2756 Explorer.EXE Token: SeDebugPrivilege 2756 Explorer.EXE Token: SeShutdownPrivilege 2756 Explorer.EXE Token: SeCreatePagefilePrivilege 2756 Explorer.EXE Token: SeShutdownPrivilege 2756 Explorer.EXE Token: SeCreatePagefilePrivilege 2756 Explorer.EXE -
Suspicious use of WriteProcessMemory 2 IoCs
description pid Process procid_target PID 4348 wrote to memory of 2756 4348 75c910ecd652474b6decb6ff6d97177c63b0eb824480352fdc3cc589de5cb8cf.exe 45 PID 4348 wrote to memory of 2756 4348 75c910ecd652474b6decb6ff6d97177c63b0eb824480352fdc3cc589de5cb8cf.exe 45
Processes
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C:\Windows\Explorer.EXEC:\Windows\Explorer.EXE1⤵
- Executes dropped EXE
- Suspicious behavior: EnumeratesProcesses
- Suspicious behavior: GetForegroundWindowSpam
- Suspicious use of AdjustPrivilegeToken
PID:2756 -
C:\Users\Admin\AppData\Local\Temp\75c910ecd652474b6decb6ff6d97177c63b0eb824480352fdc3cc589de5cb8cf.exe"C:\Users\Admin\AppData\Local\Temp\75c910ecd652474b6decb6ff6d97177c63b0eb824480352fdc3cc589de5cb8cf.exe"2⤵
- Registers COM server for autorun
- Modifies registry class
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:4348
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Network
MITRE ATT&CK Enterprise v6
Replay Monitor
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Downloads
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Filesize
41KB
MD5fb4e3236959152a057bc6b7603c538ef
SHA1b25a70c07dd2eb1c9fdf89f7a2ffc286f226edf4
SHA2568244ddfcba327a3f67a5582642c53241ee5e58d75808547cd74808bcded272d0
SHA512993dbfbf71394ad1f120a8687d57eac2b9a55b11b1594aadd5a8d90edc0a26e5fd21f78317d342837ce27728613b5fc9c6ea40f86d17e5c477071be84f8aa3d2
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Filesize
41KB
MD5fb4e3236959152a057bc6b7603c538ef
SHA1b25a70c07dd2eb1c9fdf89f7a2ffc286f226edf4
SHA2568244ddfcba327a3f67a5582642c53241ee5e58d75808547cd74808bcded272d0
SHA512993dbfbf71394ad1f120a8687d57eac2b9a55b11b1594aadd5a8d90edc0a26e5fd21f78317d342837ce27728613b5fc9c6ea40f86d17e5c477071be84f8aa3d2