Analysis
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max time kernel
41s -
max time network
48s -
platform
windows7_x64 -
resource
win7-20220812-en -
resource tags
arch:x64arch:x86image:win7-20220812-enlocale:en-usos:windows7-x64system -
submitted
07-11-2022 01:01
Behavioral task
behavioral1
Sample
86d2067d6e41794185b29cff8b16f6408337ca52828972394cfa91824e06935b.exe
Resource
win7-20220812-en
Behavioral task
behavioral2
Sample
86d2067d6e41794185b29cff8b16f6408337ca52828972394cfa91824e06935b.exe
Resource
win10v2004-20220901-en
General
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Target
86d2067d6e41794185b29cff8b16f6408337ca52828972394cfa91824e06935b.exe
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Size
33KB
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MD5
05e7845ff746f2fad320b7fd336af640
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SHA1
af0dc6403989c8a6f637748ef315438354b65f44
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SHA256
86d2067d6e41794185b29cff8b16f6408337ca52828972394cfa91824e06935b
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SHA512
a5a1341ba097059e9dc300dc6475bd14664bf007d9b453b1ec5d8779edd216a773b72a755505751f5665f4a00a02d48d76f48ba8ef378d0af247892ff833fe21
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SSDEEP
768:+NN/CbFGGnuUyXPNnbcuyD7UEh7WQMTNnkKsXmYPyRQKLf:g6hGMyfNnouy8Eh6JnkKs2Y6RQKz
Malware Config
Signatures
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ACProtect 1.3x - 1.4x DLL software 2 IoCs
Detects file using ACProtect software.
resource yara_rule behavioral1/files/0x000c0000000054a8-59.dat acprotect behavioral1/files/0x000c0000000054a8-58.dat acprotect -
resource yara_rule behavioral1/files/0x000c0000000054a8-59.dat upx behavioral1/files/0x000c0000000054a8-58.dat upx behavioral1/memory/668-61-0x0000000000400000-0x0000000000417000-memory.dmp upx behavioral1/memory/1772-60-0x00000000701A0000-0x00000000701AB000-memory.dmp upx -
Loads dropped DLL 1 IoCs
pid Process 1772 regsvr32.exe -
Drops file in Program Files directory 2 IoCs
description ioc Process File opened for modification C:\Program Files (x86)\Common Files\Microsoft Shared\DAO\DA0O352458.dll 86d2067d6e41794185b29cff8b16f6408337ca52828972394cfa91824e06935b.exe File opened for modification C:\Program Files (x86)\Common Files\Microsoft Shared\DAO\DA0O352458.dll regsvr32.exe -
Modifies registry class 7 IoCs
description ioc Process Key created \REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\CLSID\{EEFFD4A5-FC5D-4427-920D-E4917AAD09EE} regsvr32.exe Key created \REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\CLSID\{7B8A2D95-0AC9-11D1-896C-00C04FB6BFC4}\InprocServer32 regsvr32.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\CLSID\{7B8A2D95-0AC9-11D1-896C-00C04FB6BFC4}\InprocServer32\Original = "C:\\Windows\\SysWOW64\\urlmon.dll" regsvr32.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\CLSID\{7B8A2D95-0AC9-11D1-896C-00C04FB6BFC4}\InprocServer32\ = "C:\\Program Files (x86)\\Common Files\\Microsoft Shared\\DAO\\DA0O352458.dll" regsvr32.exe Key created \REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\CLSID\{D1FE6762-FC48-11D0-883A-3C8B00C10000}\InprocServer32 regsvr32.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\CLSID\{D1FE6762-FC48-11D0-883A-3C8B00C10000}\InprocServer32\Original = "C:\\Windows\\SysWOW64\\Dxtrans.dll" regsvr32.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\CLSID\{D1FE6762-FC48-11D0-883A-3C8B00C10000}\InprocServer32\ = "C:\\Program Files (x86)\\Common Files\\Microsoft Shared\\DAO\\DA0O352458.dll" regsvr32.exe -
Suspicious use of AdjustPrivilegeToken 1 IoCs
description pid Process Token: SeTakeOwnershipPrivilege 1772 regsvr32.exe -
Suspicious use of SetWindowsHookEx 1 IoCs
pid Process 668 86d2067d6e41794185b29cff8b16f6408337ca52828972394cfa91824e06935b.exe -
Suspicious use of WriteProcessMemory 7 IoCs
description pid Process procid_target PID 668 wrote to memory of 1772 668 86d2067d6e41794185b29cff8b16f6408337ca52828972394cfa91824e06935b.exe 28 PID 668 wrote to memory of 1772 668 86d2067d6e41794185b29cff8b16f6408337ca52828972394cfa91824e06935b.exe 28 PID 668 wrote to memory of 1772 668 86d2067d6e41794185b29cff8b16f6408337ca52828972394cfa91824e06935b.exe 28 PID 668 wrote to memory of 1772 668 86d2067d6e41794185b29cff8b16f6408337ca52828972394cfa91824e06935b.exe 28 PID 668 wrote to memory of 1772 668 86d2067d6e41794185b29cff8b16f6408337ca52828972394cfa91824e06935b.exe 28 PID 668 wrote to memory of 1772 668 86d2067d6e41794185b29cff8b16f6408337ca52828972394cfa91824e06935b.exe 28 PID 668 wrote to memory of 1772 668 86d2067d6e41794185b29cff8b16f6408337ca52828972394cfa91824e06935b.exe 28
Processes
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C:\Users\Admin\AppData\Local\Temp\86d2067d6e41794185b29cff8b16f6408337ca52828972394cfa91824e06935b.exe"C:\Users\Admin\AppData\Local\Temp\86d2067d6e41794185b29cff8b16f6408337ca52828972394cfa91824e06935b.exe"1⤵
- Drops file in Program Files directory
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:668 -
C:\Windows\SysWOW64\regsvr32.exeregsvr32 /n /s /i:"-f 7b8a2d95-0ac9-11d1-896c-00c04Fb6bfc4 -f D1FE6762-FC48-11D0-883A-3C8B00C10000" "C:\Program Files (x86)\Common Files\Microsoft Shared\DAO\DA0O352458.dll"2⤵
- Loads dropped DLL
- Drops file in Program Files directory
- Modifies registry class
- Suspicious use of AdjustPrivilegeToken
PID:1772
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Network
MITRE ATT&CK Matrix
Replay Monitor
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Downloads
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Filesize
15KB
MD566ad81d3844a657147da1dc24d085f3e
SHA19dd7d1312ddebb905a94800315c82915d1dbab36
SHA25660d2036fb23157818494aac05ca3f292bf13ba6a0726b50c98d5683418ececcb
SHA51266bc6e715dad52a010a1450e96fd71c8fccd80f89a42e19f9419a0457e3f2ff641d4c17f600147d4f5b4dfeefb3462660056539a3b294eb7893f079de77d6a97
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Filesize
15KB
MD566ad81d3844a657147da1dc24d085f3e
SHA19dd7d1312ddebb905a94800315c82915d1dbab36
SHA25660d2036fb23157818494aac05ca3f292bf13ba6a0726b50c98d5683418ececcb
SHA51266bc6e715dad52a010a1450e96fd71c8fccd80f89a42e19f9419a0457e3f2ff641d4c17f600147d4f5b4dfeefb3462660056539a3b294eb7893f079de77d6a97