Analysis
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max time kernel
119s -
max time network
134s -
platform
windows7_x64 -
resource
win7-20231215-en -
resource tags
arch:x64arch:x86image:win7-20231215-enlocale:en-usos:windows7-x64system -
submitted
26-12-2023 04:00
Static task
static1
Behavioral task
behavioral1
Sample
527126441f127d0acc6b8b7b6cdffa51.exe
Resource
win7-20231215-en
Behavioral task
behavioral2
Sample
527126441f127d0acc6b8b7b6cdffa51.exe
Resource
win10v2004-20231215-en
General
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Target
527126441f127d0acc6b8b7b6cdffa51.exe
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Size
8KB
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MD5
527126441f127d0acc6b8b7b6cdffa51
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SHA1
a5f321715f74c31543d518f3fd72052d600ea550
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SHA256
d47cd0dd8b41a0b4ff12b4bf8484af9bffaa6a7db232cadd76d19b7eafa151ea
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SHA512
3da97c2e6f06b7915bd267b873550f0ad94c4ebfbd98199c42e7e65358d0f28de9fa11a3438a633dc04df815c217dda34b132092185d723ee2b3265772c4bb96
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SSDEEP
192:ll5F9JdXTJJktHmoC6vKW4zGiFPBpGlqFdap:3jddJkt/rvKDzGiF7dY
Malware Config
Signatures
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Loads dropped DLL 1 IoCs
pid Process 2216 527126441f127d0acc6b8b7b6cdffa51.exe -
Drops file in System32 directory 2 IoCs
description ioc Process File created C:\Windows\SysWOW64\dadoor0.dll 527126441f127d0acc6b8b7b6cdffa51.exe File opened for modification C:\Windows\SysWOW64\dadoor0.dll 527126441f127d0acc6b8b7b6cdffa51.exe -
Modifies registry class 4 IoCs
description ioc Process Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\CLSID\{D8CC4845-44F8-9053-441C-28F2EF67655B}\daSobjEventName = "YUTDFGHKHCOOLDA_0" 527126441f127d0acc6b8b7b6cdffa51.exe Key created \REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\CLSID\{D8CC4845-44F8-9053-441C-28F2EF67655B} 527126441f127d0acc6b8b7b6cdffa51.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\CLSID\{D8CC4845-44F8-9053-441C-28F2EF67655B}\daExeModuleName = "C:\\Users\\Admin\\AppData\\Local\\Temp\\527126441f127d0acc6b8b7b6cdffa51.exe" 527126441f127d0acc6b8b7b6cdffa51.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\CLSID\{D8CC4845-44F8-9053-441C-28F2EF67655B}\daDllModuleName = "C:\\Windows\\SysWow64\\dadoor0.dll" 527126441f127d0acc6b8b7b6cdffa51.exe -
Suspicious behavior: EnumeratesProcesses 4 IoCs
pid Process 2216 527126441f127d0acc6b8b7b6cdffa51.exe 2216 527126441f127d0acc6b8b7b6cdffa51.exe 2216 527126441f127d0acc6b8b7b6cdffa51.exe 2216 527126441f127d0acc6b8b7b6cdffa51.exe -
Suspicious use of AdjustPrivilegeToken 1 IoCs
description pid Process Token: SeDebugPrivilege 2216 527126441f127d0acc6b8b7b6cdffa51.exe -
Suspicious use of WriteProcessMemory 1 IoCs
description pid Process procid_target PID 2216 wrote to memory of 1248 2216 527126441f127d0acc6b8b7b6cdffa51.exe 17
Processes
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C:\Windows\Explorer.EXEC:\Windows\Explorer.EXE1⤵PID:1248
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C:\Users\Admin\AppData\Local\Temp\527126441f127d0acc6b8b7b6cdffa51.exe"C:\Users\Admin\AppData\Local\Temp\527126441f127d0acc6b8b7b6cdffa51.exe"2⤵
- Loads dropped DLL
- Drops file in System32 directory
- Modifies registry class
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:2216
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Network
MITRE ATT&CK Matrix
Replay Monitor
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Downloads
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Filesize
13KB
MD5bcf07918193803a2f8ce194f5f654a13
SHA170def138d5389c6fd4287644fa4e429f559da915
SHA256a9bd68186813e47a50f6c381d2132089f6661c2dbce272c85bc14233b020de23
SHA512afdc2e037c4d36a9a972bef5513592a4a9eae7d16a36d94e275e305c05f54dce748ef7f85a753fe8407896b7aed92c842d7b6a978e3b9c13632a1861e89b9e78