Analysis
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max time kernel
152s -
max time network
210s -
platform
windows10-2004_x64 -
resource
win10v2004-20221111-en -
resource tags
arch:x64arch:x86image:win10v2004-20221111-enlocale:en-usos:windows10-2004-x64system -
submitted
03/12/2022, 06:35
Static task
static1
Behavioral task
behavioral1
Sample
b8e598fac0bbd28bbd49ebe37a43889e1428e94db6c910a5a53e1bc3e3716504.exe
Resource
win7-20220812-en
Behavioral task
behavioral2
Sample
b8e598fac0bbd28bbd49ebe37a43889e1428e94db6c910a5a53e1bc3e3716504.exe
Resource
win10v2004-20221111-en
General
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Target
b8e598fac0bbd28bbd49ebe37a43889e1428e94db6c910a5a53e1bc3e3716504.exe
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Size
197KB
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MD5
544405553672f0c62488a34437e0010e
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SHA1
aa74331a6c7ea48106efeaab131717de78270a13
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SHA256
b8e598fac0bbd28bbd49ebe37a43889e1428e94db6c910a5a53e1bc3e3716504
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SHA512
6111f95f9a779dd503a216db21343d4ae269b3b18200469711d244440870e5297fce71cab42074a35bd0b645fe4e75693d819473178046dedbb89b839a35a698
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SSDEEP
6144:xnTqhnKZ+gyxOErDR06XVRx2M5bnty0CP5:xGhnKch11nFRnw0q5
Malware Config
Signatures
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Registers COM server for autorun 1 TTPs 3 IoCs
description ioc Process Set value (str) \REGISTRY\USER\S-1-5-21-4246620582-653642754-1174164128-1000_Classes\CLSID\{fbeb8a05-beee-4442-804e-409d6c4515e9}\InprocServer32\ = "C:\\$Recycle.Bin\\S-1-5-21-4246620582-653642754-1174164128-1000\\$94b51c160cef92dd5e85d337991aa9a5\\n." b8e598fac0bbd28bbd49ebe37a43889e1428e94db6c910a5a53e1bc3e3716504.exe Key created \REGISTRY\USER\S-1-5-21-4246620582-653642754-1174164128-1000_Classes\CLSID\{fbeb8a05-beee-4442-804e-409d6c4515e9}\InprocServer32 b8e598fac0bbd28bbd49ebe37a43889e1428e94db6c910a5a53e1bc3e3716504.exe Set value (str) \REGISTRY\USER\S-1-5-21-4246620582-653642754-1174164128-1000_Classes\CLSID\{fbeb8a05-beee-4442-804e-409d6c4515e9}\InprocServer32\ThreadingModel = "Both" b8e598fac0bbd28bbd49ebe37a43889e1428e94db6c910a5a53e1bc3e3716504.exe -
Loads dropped DLL 1 IoCs
pid Process 2732 Explorer.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 7 IoCs
description ioc Process Key created \REGISTRY\USER\S-1-5-21-4246620582-653642754-1174164128-1000_Classes\CLSID\{018D5C66-4533-4307-9B53-224DE2ED1FE6}\Instance\ Explorer.EXE Key created \REGISTRY\USER\S-1-5-21-4246620582-653642754-1174164128-1000_Classes\clsid b8e598fac0bbd28bbd49ebe37a43889e1428e94db6c910a5a53e1bc3e3716504.exe Key created \REGISTRY\USER\S-1-5-21-4246620582-653642754-1174164128-1000_Classes\CLSID\{fbeb8a05-beee-4442-804e-409d6c4515e9} b8e598fac0bbd28bbd49ebe37a43889e1428e94db6c910a5a53e1bc3e3716504.exe Key created \REGISTRY\USER\S-1-5-21-4246620582-653642754-1174164128-1000_Classes\CLSID\{fbeb8a05-beee-4442-804e-409d6c4515e9}\InprocServer32 b8e598fac0bbd28bbd49ebe37a43889e1428e94db6c910a5a53e1bc3e3716504.exe Set value (str) \REGISTRY\USER\S-1-5-21-4246620582-653642754-1174164128-1000_Classes\CLSID\{fbeb8a05-beee-4442-804e-409d6c4515e9}\InprocServer32\ThreadingModel = "Both" b8e598fac0bbd28bbd49ebe37a43889e1428e94db6c910a5a53e1bc3e3716504.exe Set value (str) \REGISTRY\USER\S-1-5-21-4246620582-653642754-1174164128-1000_Classes\CLSID\{fbeb8a05-beee-4442-804e-409d6c4515e9}\InprocServer32\ = "C:\\$Recycle.Bin\\S-1-5-21-4246620582-653642754-1174164128-1000\\$94b51c160cef92dd5e85d337991aa9a5\\n." b8e598fac0bbd28bbd49ebe37a43889e1428e94db6c910a5a53e1bc3e3716504.exe Key created \REGISTRY\MACHINE\SOFTWARE\Classes\CLSID\{4336a54d-038b-4685-ab02-99bb52d3fb8b}\Instance\ Explorer.EXE -
Suspicious behavior: EnumeratesProcesses 10 IoCs
pid Process 1568 b8e598fac0bbd28bbd49ebe37a43889e1428e94db6c910a5a53e1bc3e3716504.exe 1568 b8e598fac0bbd28bbd49ebe37a43889e1428e94db6c910a5a53e1bc3e3716504.exe 1568 b8e598fac0bbd28bbd49ebe37a43889e1428e94db6c910a5a53e1bc3e3716504.exe 1568 b8e598fac0bbd28bbd49ebe37a43889e1428e94db6c910a5a53e1bc3e3716504.exe 1568 b8e598fac0bbd28bbd49ebe37a43889e1428e94db6c910a5a53e1bc3e3716504.exe 1568 b8e598fac0bbd28bbd49ebe37a43889e1428e94db6c910a5a53e1bc3e3716504.exe 1568 b8e598fac0bbd28bbd49ebe37a43889e1428e94db6c910a5a53e1bc3e3716504.exe 1568 b8e598fac0bbd28bbd49ebe37a43889e1428e94db6c910a5a53e1bc3e3716504.exe 2732 Explorer.EXE 2732 Explorer.EXE -
Suspicious behavior: GetForegroundWindowSpam 1 IoCs
pid Process 2732 Explorer.EXE -
Suspicious use of AdjustPrivilegeToken 16 IoCs
description pid Process Token: SeDebugPrivilege 1568 b8e598fac0bbd28bbd49ebe37a43889e1428e94db6c910a5a53e1bc3e3716504.exe Token: SeDebugPrivilege 1568 b8e598fac0bbd28bbd49ebe37a43889e1428e94db6c910a5a53e1bc3e3716504.exe Token: SeDebugPrivilege 1568 b8e598fac0bbd28bbd49ebe37a43889e1428e94db6c910a5a53e1bc3e3716504.exe Token: SeDebugPrivilege 2732 Explorer.EXE Token: SeShutdownPrivilege 2732 Explorer.EXE Token: SeCreatePagefilePrivilege 2732 Explorer.EXE Token: SeShutdownPrivilege 2732 Explorer.EXE Token: SeCreatePagefilePrivilege 2732 Explorer.EXE Token: SeShutdownPrivilege 2732 Explorer.EXE Token: SeCreatePagefilePrivilege 2732 Explorer.EXE Token: SeShutdownPrivilege 2732 Explorer.EXE Token: SeCreatePagefilePrivilege 2732 Explorer.EXE Token: SeShutdownPrivilege 2732 Explorer.EXE Token: SeCreatePagefilePrivilege 2732 Explorer.EXE Token: SeShutdownPrivilege 2732 Explorer.EXE Token: SeCreatePagefilePrivilege 2732 Explorer.EXE -
Suspicious use of WriteProcessMemory 2 IoCs
description pid Process procid_target PID 1568 wrote to memory of 2732 1568 b8e598fac0bbd28bbd49ebe37a43889e1428e94db6c910a5a53e1bc3e3716504.exe 35 PID 1568 wrote to memory of 2732 1568 b8e598fac0bbd28bbd49ebe37a43889e1428e94db6c910a5a53e1bc3e3716504.exe 35
Processes
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C:\Windows\Explorer.EXEC:\Windows\Explorer.EXE1⤵
- Loads dropped DLL
- Modifies registry class
- Suspicious behavior: EnumeratesProcesses
- Suspicious behavior: GetForegroundWindowSpam
- Suspicious use of AdjustPrivilegeToken
PID:2732 -
C:\Users\Admin\AppData\Local\Temp\b8e598fac0bbd28bbd49ebe37a43889e1428e94db6c910a5a53e1bc3e3716504.exe"C:\Users\Admin\AppData\Local\Temp\b8e598fac0bbd28bbd49ebe37a43889e1428e94db6c910a5a53e1bc3e3716504.exe"2⤵
- Registers COM server for autorun
- Modifies registry class
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:1568
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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