86d2067d6e41794185b29cff8b16f6408337ca52828972394cfa91824e06935b

Analysis

max time kernel
139s
max time network
156s
platform
windows10-2004_x64
resource
win10v2004-20220901-en
resource tags

arch:x64arch:x86image:win10v2004-20220901-enlocale:en-usos:windows10-2004-x64system
submitted
07-11-2022 01:01

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General

Target

86d2067d6e41794185b29cff8b16f6408337ca52828972394cfa91824e06935b.exe
Size

33KB
MD5

05e7845ff746f2fad320b7fd336af640
SHA1

af0dc6403989c8a6f637748ef315438354b65f44
SHA256

86d2067d6e41794185b29cff8b16f6408337ca52828972394cfa91824e06935b
SHA512

a5a1341ba097059e9dc300dc6475bd14664bf007d9b453b1ec5d8779edd216a773b72a755505751f5665f4a00a02d48d76f48ba8ef378d0af247892ff833fe21
SSDEEP

768:+NN/CbFGGnuUyXPNnbcuyD7UEh7WQMTNnkKsXmYPyRQKLf:g6hGMyfNnouy8Eh6JnkKs2Y6RQKz

Score

9^/10

upx

Malware Config

Signatures

ACProtect 1.3x - 1.4x DLL software 2 IoCs

Detects file using ACProtect software.

resource	yara_rule
behavioral2/files/0x0004000000022de2-139.dat	acprotect
behavioral2/files/0x0004000000022de2-140.dat	acprotect

UPX packed file 5 IoCs

Detects executables packed with UPX/modified UPX open source packer.

upx

resource	yara_rule
behavioral2/memory/4836-135-0x0000000000400000-0x0000000000417000-memory.dmp	upx
behavioral2/files/0x0004000000022de2-139.dat	upx
behavioral2/files/0x0004000000022de2-140.dat	upx
behavioral2/memory/3532-141-0x00000000701A0000-0x00000000701AB000-memory.dmp	upx
behavioral2/memory/4836-142-0x0000000000400000-0x0000000000417000-memory.dmp	upx

Loads dropped DLL 1 IoCs

pid	Process
3532	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\DA0O619456.dll	86d2067d6e41794185b29cff8b16f6408337ca52828972394cfa91824e06935b.exe
File opened for modification	C:\Program Files (x86)\Common Files\Microsoft Shared\DAO\DA0O619456.dll	regsvr32.exe

Modifies registry class 7 IoCs

description	ioc	Process
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\\DA0O619456.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\\DA0O619456.dll"	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{EEFFD4A5-FC5D-4427-920D-E4917AAD09EE}	regsvr32.exe

Suspicious use of AdjustPrivilegeToken 1 IoCs

description	pid	Process
Token: SeTakeOwnershipPrivilege	3532	regsvr32.exe

Suspicious use of SetWindowsHookEx 1 IoCs

pid	Process
4836	86d2067d6e41794185b29cff8b16f6408337ca52828972394cfa91824e06935b.exe

Suspicious use of WriteProcessMemory 3 IoCs

description	pid	Process	procid_target
PID 4836 wrote to memory of 3532	4836	86d2067d6e41794185b29cff8b16f6408337ca52828972394cfa91824e06935b.exe	81
PID 4836 wrote to memory of 3532	4836	86d2067d6e41794185b29cff8b16f6408337ca52828972394cfa91824e06935b.exe	81
PID 4836 wrote to memory of 3532	4836	86d2067d6e41794185b29cff8b16f6408337ca52828972394cfa91824e06935b.exe	81

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:4836
- C:\Windows\SysWOW64\regsvr32.exe
  regsvr32 /n /s /i:"-f 7b8a2d95-0ac9-11d1-896c-00c04Fb6bfc4 -f D1FE6762-FC48-11D0-883A-3C8B00C10000" "C:\Program Files (x86)\Common Files\Microsoft Shared\DAO\DA0O619456.dll"
  2⤵
  - Loads dropped DLL
  - Drops file in Program Files directory
  - Modifies registry class
  - Suspicious use of AdjustPrivilegeToken
  PID:3532

Network

MITRE ATT&CK Matrix

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Downloads

C:\Program Files (x86)\Common Files\Microsoft Shared\DAO\DA0O619456.dll

Filesize
15KB

MD5
4f0d8fc1ccd40369d17c49cd0e88627d

SHA1
5e8a19228074efcaef993cc52978b6286dba6823

SHA256
92c1f26da513b1bac333711bd824f476337b4048529c298357d7d763f542ae95

SHA512
320c9a42dea6a71f463d9a51b434f59fc51a59e307b420e664629e128224feea9c5693431dee646f733accdf30cfbfff68639da5cf617f3a85ea6e84106c239f

Download Submit
C:\Program Files (x86)\Common Files\Microsoft Shared\DAO\DA0O619456.dll

Filesize
15KB

MD5
4f0d8fc1ccd40369d17c49cd0e88627d

SHA1
5e8a19228074efcaef993cc52978b6286dba6823

SHA256
92c1f26da513b1bac333711bd824f476337b4048529c298357d7d763f542ae95

SHA512
320c9a42dea6a71f463d9a51b434f59fc51a59e307b420e664629e128224feea9c5693431dee646f733accdf30cfbfff68639da5cf617f3a85ea6e84106c239f

Download Submit
memory/3532-141-0x00000000701A0000-0x00000000701AB000-memory.dmp

Filesize
44KB

Download
memory/4836-135-0x0000000000400000-0x0000000000417000-memory.dmp

Filesize
92KB

Download
memory/4836-142-0x0000000000400000-0x0000000000417000-memory.dmp

Filesize
92KB

Download