Analysis
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max time kernel
45s -
max time network
51s -
platform
windows7_x64 -
resource
win7-20220901-en -
resource tags
arch:x64arch:x86image:win7-20220901-enlocale:en-usos:windows7-x64system -
submitted
29-11-2022 16:08
Static task
static1
Behavioral task
behavioral1
Sample
3da2b83cb643f6ddc730ab7aabd466892ec5190f3d0f41e759c6d5d7ead42aa4.dll
Resource
win7-20220901-en
General
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Target
3da2b83cb643f6ddc730ab7aabd466892ec5190f3d0f41e759c6d5d7ead42aa4.dll
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Size
176KB
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MD5
a48395d2fa08f13e4ab63a650d5198d0
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SHA1
7704269ca54d14274d2793084c62d9182945916e
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SHA256
3da2b83cb643f6ddc730ab7aabd466892ec5190f3d0f41e759c6d5d7ead42aa4
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SHA512
d2c77197c179d7ab5472d000630391a0ecc1213454ed0e9fa58e717aa281b69147bb8ce7cdcfa5443002bcc3ff461a799342db83d7e07b35654bb9961e8974b9
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SSDEEP
3072:2Cc3BovvxtyyLa3E1oF4dfOKTfy0IDyo/S2LCruJ8erpq/D51qzd/zE:fv7Da3EO2dWKLy0tt2iq8CaD5cpQ
Malware Config
Signatures
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Executes dropped EXE 1 IoCs
pid Process 1204 regsvr32mgr.exe -
Loads dropped DLL 2 IoCs
pid Process 1148 regsvr32.exe 1148 regsvr32.exe -
Drops file in System32 directory 1 IoCs
description ioc Process File created C:\Windows\SysWOW64\regsvr32mgr.exe regsvr32.exe -
Modifies registry class 64 IoCs
description ioc Process Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\CLSID\{A3F23606-0729-42B2-9004-57D52E30546A}\InprocServer32\ThreadingModel = "Apartment" regsvr32.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\CLSID\{A3F23606-0729-42B2-9004-57D52E30546A}\TypeLib\ = "{DE158A5F-BA9A-46F2-94B1-6D6601F825EB}" regsvr32.exe Key created \REGISTRY\MACHINE\SOFTWARE\Classes\TypeLib\{DE158A5F-BA9A-46F2-94B1-6D6601F825EB} regsvr32.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\TypeLib\{DE158A5F-BA9A-46F2-94B1-6D6601F825EB}\1.0\FLAGS\ = "0" regsvr32.exe Key created \REGISTRY\MACHINE\SOFTWARE\Classes\TypeLib\{DE158A5F-BA9A-46F2-94B1-6D6601F825EB}\1.0\0 regsvr32.exe Key created \REGISTRY\MACHINE\SOFTWARE\Classes\Interface\{20DD4BCD-32E4-4F31-B2BA-E67016DA3572}\ProxyStubClsid32 regsvr32.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\Interface\{E41B4064-66A7-43EB-BBDC-665B20424FA8}\TypeLib\ = "{DE158A5F-BA9A-46F2-94B1-6D6601F825EB}" regsvr32.exe Key created \REGISTRY\MACHINE\SOFTWARE\Classes\POPC.Poptimize regsvr32.exe Key created \REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\Interface\{20DD4BCD-32E4-4F31-B2BA-E67016DA3572}\TypeLib regsvr32.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\Interface\{4DB72916-9A87-4CB2-8526-54CC1A53F3A4}\TypeLib\Version = "1.0" regsvr32.exe Key created \REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\CLSID\{A3F23606-0729-42B2-9004-57D52E30546A}\Programmable regsvr32.exe Key created \REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\CLSID\{A3F23606-0729-42B2-9004-57D52E30546A}\ProgID regsvr32.exe Key created \REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\Interface\{20DD4BCD-32E4-4F31-B2BA-E67016DA3572}\ProxyStubClsid32 regsvr32.exe Key created \REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\Interface\{4DB72916-9A87-4CB2-8526-54CC1A53F3A4}\ProxyStubClsid32 regsvr32.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\Interface\{E41B4064-66A7-43EB-BBDC-665B20424FA8}\TypeLib\Version = "1.0" regsvr32.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\POPC.Poptimize\CLSID\ = "{A3F23606-0729-42B2-9004-57D52E30546A}" regsvr32.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\TypeLib\{DE158A5F-BA9A-46F2-94B1-6D6601F825EB}\1.0\HELPDIR\ = "C:\\Users\\Admin\\AppData\\Local\\Temp\\" regsvr32.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\Interface\{20DD4BCD-32E4-4F31-B2BA-E67016DA3572}\ = "IPoptimize" regsvr32.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\Interface\{20DD4BCD-32E4-4F31-B2BA-E67016DA3572}\ = "IPoptimize" regsvr32.exe Key created \REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\Interface\{4DB72916-9A87-4CB2-8526-54CC1A53F3A4} regsvr32.exe Key created \REGISTRY\MACHINE\SOFTWARE\Classes\Interface\{4DB72916-9A87-4CB2-8526-54CC1A53F3A4} regsvr32.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\Interface\{4DB72916-9A87-4CB2-8526-54CC1A53F3A4}\TypeLib\Version = "1.0" regsvr32.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\Interface\{E41B4064-66A7-43EB-BBDC-665B20424FA8}\ = "IPopEntry" regsvr32.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\CLSID\{A3F23606-0729-42B2-9004-57D52E30546A}\InprocServer32\ = "C:\\Users\\Admin\\AppData\\Local\\Temp\\3da2b83cb643f6ddc730ab7aabd466892ec5190f3d0f41e759c6d5d7ead42aa4.dll" regsvr32.exe Key created \REGISTRY\MACHINE\SOFTWARE\Classes\Interface\{E41B4064-66A7-43EB-BBDC-665B20424FA8}\ProxyStubClsid32 regsvr32.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\CLSID\{A3F23606-0729-42B2-9004-57D52E30546A}\VersionIndependentProgID\ = "POPC.Poptimize" regsvr32.exe Key created \REGISTRY\MACHINE\SOFTWARE\Classes\Interface\{4DB72916-9A87-4CB2-8526-54CC1A53F3A4}\ProxyStubClsid32 regsvr32.exe Key created \REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\Interface\{E41B4064-66A7-43EB-BBDC-665B20424FA8}\ProxyStubClsid32 regsvr32.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\Interface\{E41B4064-66A7-43EB-BBDC-665B20424FA8}\ProxyStubClsid32\ = "{00020424-0000-0000-C000-000000000046}" regsvr32.exe Key created \REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\CLSID\{A3F23606-0729-42B2-9004-57D52E30546A} regsvr32.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\POPC.Poptimize.1\CLSID\ = "{A3F23606-0729-42B2-9004-57D52E30546A}" regsvr32.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\Interface\{4DB72916-9A87-4CB2-8526-54CC1A53F3A4}\ProxyStubClsid32\ = "{00020424-0000-0000-C000-000000000046}" regsvr32.exe Key created \REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\Interface\{E41B4064-66A7-43EB-BBDC-665B20424FA8}\TypeLib regsvr32.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\Interface\{E41B4064-66A7-43EB-BBDC-665B20424FA8}\TypeLib\Version = "1.0" regsvr32.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\POPC.Poptimize.1\ = "Poptimize Class" regsvr32.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\TypeLib\{DE158A5F-BA9A-46F2-94B1-6D6601F825EB}\1.0\ = "POPC 1.0 Type Library" regsvr32.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\Interface\{4DB72916-9A87-4CB2-8526-54CC1A53F3A4}\ProxyStubClsid32\ = "{00020424-0000-0000-C000-000000000046}" regsvr32.exe Key created \REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\CLSID\{A3F23606-0729-42B2-9004-57D52E30546A}\TypeLib regsvr32.exe Key created \REGISTRY\MACHINE\SOFTWARE\Classes\POPC.Poptimize\CLSID regsvr32.exe Key created \REGISTRY\MACHINE\SOFTWARE\Classes\TypeLib\{DE158A5F-BA9A-46F2-94B1-6D6601F825EB}\1.0 regsvr32.exe Key created \REGISTRY\MACHINE\SOFTWARE\Classes\Interface\{20DD4BCD-32E4-4F31-B2BA-E67016DA3572}\TypeLib regsvr32.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\Interface\{20DD4BCD-32E4-4F31-B2BA-E67016DA3572}\TypeLib\ = "{DE158A5F-BA9A-46F2-94B1-6D6601F825EB}" regsvr32.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\Interface\{4DB72916-9A87-4CB2-8526-54CC1A53F3A4}\TypeLib\ = "{DE158A5F-BA9A-46F2-94B1-6D6601F825EB}" regsvr32.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\POPC.Poptimize\ = "Poptimize Class" regsvr32.exe Key created \REGISTRY\MACHINE\SOFTWARE\Classes\TypeLib\{DE158A5F-BA9A-46F2-94B1-6D6601F825EB}\1.0\0\win32 regsvr32.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\Interface\{20DD4BCD-32E4-4F31-B2BA-E67016DA3572}\TypeLib\ = "{DE158A5F-BA9A-46F2-94B1-6D6601F825EB}" regsvr32.exe Key created \REGISTRY\MACHINE\SOFTWARE\Classes\Interface\{20DD4BCD-32E4-4F31-B2BA-E67016DA3572} regsvr32.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\Interface\{4DB72916-9A87-4CB2-8526-54CC1A53F3A4}\ = "IPopEntries" regsvr32.exe Key created \REGISTRY\MACHINE\SOFTWARE\Classes\POPC.Poptimize.1\CLSID regsvr32.exe Key created \REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\CLSID\{A3F23606-0729-42B2-9004-57D52E30546A}\VersionIndependentProgID regsvr32.exe Key created \REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\Interface\{4DB72916-9A87-4CB2-8526-54CC1A53F3A4}\TypeLib regsvr32.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\CLSID\{A3F23606-0729-42B2-9004-57D52E30546A}\ = "Poptimize Class" regsvr32.exe Key created \REGISTRY\MACHINE\SOFTWARE\Classes\Interface\{E41B4064-66A7-43EB-BBDC-665B20424FA8}\TypeLib regsvr32.exe Key created \REGISTRY\MACHINE\SOFTWARE\Classes\Interface\{4DB72916-9A87-4CB2-8526-54CC1A53F3A4}\TypeLib regsvr32.exe Key created \REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\Interface\{E41B4064-66A7-43EB-BBDC-665B20424FA8} regsvr32.exe Key created \REGISTRY\MACHINE\SOFTWARE\Classes\Interface\{E41B4064-66A7-43EB-BBDC-665B20424FA8} regsvr32.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\Interface\{E41B4064-66A7-43EB-BBDC-665B20424FA8}\ = "IPopEntry" regsvr32.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\POPC.Poptimize\CurVer\ = "POPC.Poptimize.1" regsvr32.exe Key created \REGISTRY\MACHINE\SOFTWARE\Classes\POPC.Poptimize\CurVer regsvr32.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\Interface\{4DB72916-9A87-4CB2-8526-54CC1A53F3A4}\ = "IPopEntries" regsvr32.exe Key created \REGISTRY\MACHINE\SOFTWARE\Classes\POPC.Poptimize.1 regsvr32.exe Key created \REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\Interface\{20DD4BCD-32E4-4F31-B2BA-E67016DA3572} regsvr32.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\TypeLib\{DE158A5F-BA9A-46F2-94B1-6D6601F825EB}\1.0\0\win32\ = "C:\\Users\\Admin\\AppData\\Local\\Temp\\3da2b83cb643f6ddc730ab7aabd466892ec5190f3d0f41e759c6d5d7ead42aa4.dll" regsvr32.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\Interface\{20DD4BCD-32E4-4F31-B2BA-E67016DA3572}\ProxyStubClsid32\ = "{00020424-0000-0000-C000-000000000046}" regsvr32.exe -
Suspicious use of WriteProcessMemory 11 IoCs
description pid Process procid_target PID 1308 wrote to memory of 1148 1308 regsvr32.exe 27 PID 1308 wrote to memory of 1148 1308 regsvr32.exe 27 PID 1308 wrote to memory of 1148 1308 regsvr32.exe 27 PID 1308 wrote to memory of 1148 1308 regsvr32.exe 27 PID 1308 wrote to memory of 1148 1308 regsvr32.exe 27 PID 1308 wrote to memory of 1148 1308 regsvr32.exe 27 PID 1308 wrote to memory of 1148 1308 regsvr32.exe 27 PID 1148 wrote to memory of 1204 1148 regsvr32.exe 28 PID 1148 wrote to memory of 1204 1148 regsvr32.exe 28 PID 1148 wrote to memory of 1204 1148 regsvr32.exe 28 PID 1148 wrote to memory of 1204 1148 regsvr32.exe 28
Processes
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C:\Windows\system32\regsvr32.exeregsvr32 /s C:\Users\Admin\AppData\Local\Temp\3da2b83cb643f6ddc730ab7aabd466892ec5190f3d0f41e759c6d5d7ead42aa4.dll1⤵
- Suspicious use of WriteProcessMemory
PID:1308 -
C:\Windows\SysWOW64\regsvr32.exe/s C:\Users\Admin\AppData\Local\Temp\3da2b83cb643f6ddc730ab7aabd466892ec5190f3d0f41e759c6d5d7ead42aa4.dll2⤵
- Loads dropped DLL
- Drops file in System32 directory
- Modifies registry class
- Suspicious use of WriteProcessMemory
PID:1148 -
C:\Windows\SysWOW64\regsvr32mgr.exeC:\Windows\SysWOW64\regsvr32mgr.exe3⤵
- Executes dropped EXE
PID:1204
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Network
MITRE ATT&CK Matrix
Replay Monitor
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Downloads
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Filesize
81KB
MD5cb41358796a14f05bccfddb098900c71
SHA18c14e0d55d4de69ea7b87db5dbe3d4bd39d13935
SHA2566d5dca57b9f625f604a592e9d2ba39ec8d454d62bf387c61346c53c081463e0b
SHA5128a2f816700f240574989142ae295b3d90f4ae1c4fd2141ae17b37d2111e5a83b3d452ceee1f1914091cf05f1889f5b6d83664a78674f0a653535c078501950de
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Filesize
81KB
MD5cb41358796a14f05bccfddb098900c71
SHA18c14e0d55d4de69ea7b87db5dbe3d4bd39d13935
SHA2566d5dca57b9f625f604a592e9d2ba39ec8d454d62bf387c61346c53c081463e0b
SHA5128a2f816700f240574989142ae295b3d90f4ae1c4fd2141ae17b37d2111e5a83b3d452ceee1f1914091cf05f1889f5b6d83664a78674f0a653535c078501950de
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Filesize
81KB
MD5cb41358796a14f05bccfddb098900c71
SHA18c14e0d55d4de69ea7b87db5dbe3d4bd39d13935
SHA2566d5dca57b9f625f604a592e9d2ba39ec8d454d62bf387c61346c53c081463e0b
SHA5128a2f816700f240574989142ae295b3d90f4ae1c4fd2141ae17b37d2111e5a83b3d452ceee1f1914091cf05f1889f5b6d83664a78674f0a653535c078501950de