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Analysis
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max time kernel
150s -
max time network
151s -
platform
windows10-2004_x64 -
resource
win10v2004-20231215-en -
resource tags
arch:x64arch:x86image:win10v2004-20231215-enlocale:en-usos:windows10-2004-x64system -
submitted
26/12/2023, 12:01
Static task
static1
Behavioral task
behavioral1
Sample
6cd5f604e6bd9f59fa893f2f8d8e962c.exe
Resource
win7-20231215-en
Behavioral task
behavioral2
Sample
6cd5f604e6bd9f59fa893f2f8d8e962c.exe
Resource
win10v2004-20231215-en
General
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Target
6cd5f604e6bd9f59fa893f2f8d8e962c.exe
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Size
204KB
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MD5
6cd5f604e6bd9f59fa893f2f8d8e962c
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SHA1
f1ba39d89a0f93079ae8018e6f9e197dfc216a60
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SHA256
55e03529866e7458fd208eaac1358146e547c98eac8c32c66b6aff7d861cd05f
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SHA512
e8f58057b479dfba5754191fb14d4c8cbffda40b45cbd98d1ca3e43353ebbbc9ca93dba364107b866ec5ddd633cd15bc685a27e286dd3260395ef247ab69a952
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SSDEEP
6144:gyrmrnlhNTXStXs+Ngtg5yAg4duyMDHOq8Wy9993:g5rfNTcXgIkpyMHOq8J
Malware Config
Signatures
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Loads dropped DLL 1 IoCs
pid Process 3388 Explorer.EXE -
Registers COM server for autorun 1 TTPs 3 IoCs
description ioc Process Key created \REGISTRY\USER\S-1-5-21-3791175113-1062217823-1177695025-1000_Classes\CLSID\{fbeb8a05-beee-4442-804e-409d6c4515e9}\InprocServer32 6cd5f604e6bd9f59fa893f2f8d8e962c.exe Set value (str) \REGISTRY\USER\S-1-5-21-3791175113-1062217823-1177695025-1000_Classes\CLSID\{fbeb8a05-beee-4442-804e-409d6c4515e9}\InprocServer32\ThreadingModel = "Both" 6cd5f604e6bd9f59fa893f2f8d8e962c.exe Set value (str) \REGISTRY\USER\S-1-5-21-3791175113-1062217823-1177695025-1000_Classes\CLSID\{fbeb8a05-beee-4442-804e-409d6c4515e9}\InprocServer32\ = "C:\\$Recycle.Bin\\S-1-5-21-3791175113-1062217823-1177695025-1000\\$4a3131d8d1a175157774ac21d0e41a67\\n." 6cd5f604e6bd9f59fa893f2f8d8e962c.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 Key created \REGISTRY\USER\S-1-5-21-3791175113-1062217823-1177695025-1000_Classes\CLSID\{fbeb8a05-beee-4442-804e-409d6c4515e9}\InprocServer32 6cd5f604e6bd9f59fa893f2f8d8e962c.exe Set value (str) \REGISTRY\USER\S-1-5-21-3791175113-1062217823-1177695025-1000_Classes\CLSID\{fbeb8a05-beee-4442-804e-409d6c4515e9}\InprocServer32\ThreadingModel = "Both" 6cd5f604e6bd9f59fa893f2f8d8e962c.exe Set value (str) \REGISTRY\USER\S-1-5-21-3791175113-1062217823-1177695025-1000_Classes\CLSID\{fbeb8a05-beee-4442-804e-409d6c4515e9}\InprocServer32\ = "C:\\$Recycle.Bin\\S-1-5-21-3791175113-1062217823-1177695025-1000\\$4a3131d8d1a175157774ac21d0e41a67\\n." 6cd5f604e6bd9f59fa893f2f8d8e962c.exe Key created \REGISTRY\USER\S-1-5-21-3791175113-1062217823-1177695025-1000_Classes\clsid 6cd5f604e6bd9f59fa893f2f8d8e962c.exe Key created \REGISTRY\USER\S-1-5-21-3791175113-1062217823-1177695025-1000_Classes\CLSID\{fbeb8a05-beee-4442-804e-409d6c4515e9} 6cd5f604e6bd9f59fa893f2f8d8e962c.exe -
Suspicious behavior: EnumeratesProcesses 10 IoCs
pid Process 1240 6cd5f604e6bd9f59fa893f2f8d8e962c.exe 1240 6cd5f604e6bd9f59fa893f2f8d8e962c.exe 1240 6cd5f604e6bd9f59fa893f2f8d8e962c.exe 1240 6cd5f604e6bd9f59fa893f2f8d8e962c.exe 1240 6cd5f604e6bd9f59fa893f2f8d8e962c.exe 1240 6cd5f604e6bd9f59fa893f2f8d8e962c.exe 1240 6cd5f604e6bd9f59fa893f2f8d8e962c.exe 1240 6cd5f604e6bd9f59fa893f2f8d8e962c.exe 3388 Explorer.EXE 3388 Explorer.EXE -
Suspicious use of AdjustPrivilegeToken 4 IoCs
description pid Process Token: SeDebugPrivilege 1240 6cd5f604e6bd9f59fa893f2f8d8e962c.exe Token: SeDebugPrivilege 1240 6cd5f604e6bd9f59fa893f2f8d8e962c.exe Token: SeDebugPrivilege 1240 6cd5f604e6bd9f59fa893f2f8d8e962c.exe Token: SeDebugPrivilege 3388 Explorer.EXE -
Suspicious use of UnmapMainImage 1 IoCs
pid Process 3388 Explorer.EXE -
Suspicious use of WriteProcessMemory 2 IoCs
description pid Process procid_target PID 1240 wrote to memory of 3388 1240 6cd5f604e6bd9f59fa893f2f8d8e962c.exe 48 PID 1240 wrote to memory of 3388 1240 6cd5f604e6bd9f59fa893f2f8d8e962c.exe 48
Processes
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C:\Windows\Explorer.EXEC:\Windows\Explorer.EXE1⤵
- Loads dropped DLL
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of UnmapMainImage
PID:3388 -
C:\Users\Admin\AppData\Local\Temp\6cd5f604e6bd9f59fa893f2f8d8e962c.exe"C:\Users\Admin\AppData\Local\Temp\6cd5f604e6bd9f59fa893f2f8d8e962c.exe"2⤵
- Registers COM server for autorun
- Modifies registry class
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:1240
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Network
MITRE ATT&CK Enterprise v15
Replay Monitor
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Downloads
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Filesize
41KB
MD5fb4e3236959152a057bc6b7603c538ef
SHA1b25a70c07dd2eb1c9fdf89f7a2ffc286f226edf4
SHA2568244ddfcba327a3f67a5582642c53241ee5e58d75808547cd74808bcded272d0
SHA512993dbfbf71394ad1f120a8687d57eac2b9a55b11b1594aadd5a8d90edc0a26e5fd21f78317d342837ce27728613b5fc9c6ea40f86d17e5c477071be84f8aa3d2