Analysis
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max time kernel
81s -
max time network
98s -
platform
windows7_x64 -
resource
win7-20221111-en -
resource tags
arch:x64arch:x86image:win7-20221111-enlocale:en-usos:windows7-x64system -
submitted
23-11-2022 11:09
Static task
static1
Behavioral task
behavioral1
Sample
b9ec31633a70a6fbb04e2aa3abe52587b9a5cdcea89019db45936cd0e02ec699.exe
Resource
win7-20221111-en
Behavioral task
behavioral2
Sample
b9ec31633a70a6fbb04e2aa3abe52587b9a5cdcea89019db45936cd0e02ec699.exe
Resource
win10v2004-20221111-en
General
-
Target
b9ec31633a70a6fbb04e2aa3abe52587b9a5cdcea89019db45936cd0e02ec699.exe
-
Size
296KB
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MD5
81ab1c6af2437eb2e800e1455573f067
-
SHA1
ce9cadcd5756360f2e62e75538be626ef49c95c8
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SHA256
b9ec31633a70a6fbb04e2aa3abe52587b9a5cdcea89019db45936cd0e02ec699
-
SHA512
c2915e2d100c41dcfdf2bd410c7e0e8036c58640e2986392ed013f67354be8e3be1ac3cc5e9ae19998278879ef7362ee8d8eb70ef7d19ac7eb1b5bdc3a017e49
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SSDEEP
6144:0GXJvoHat3SeJ1cUSSD6IqtVASLv0ISIdld:1XJAHa5V6o6IeLLcWN
Malware Config
Signatures
-
Drops file in Drivers directory 1 IoCs
Processes:
b9ec31633a70a6fbb04e2aa3abe52587b9a5cdcea89019db45936cd0e02ec699.exedescription ioc process File opened for modification C:\Windows\system32\drivers\etc\hosts b9ec31633a70a6fbb04e2aa3abe52587b9a5cdcea89019db45936cd0e02ec699.exe -
Executes dropped EXE 1 IoCs
Processes:
dplaysvr.exepid process 1688 dplaysvr.exe -
Loads dropped DLL 2 IoCs
Processes:
b9ec31633a70a6fbb04e2aa3abe52587b9a5cdcea89019db45936cd0e02ec699.exedplaysvr.exepid process 1252 b9ec31633a70a6fbb04e2aa3abe52587b9a5cdcea89019db45936cd0e02ec699.exe 1688 dplaysvr.exe -
Adds Run key to start application 2 TTPs 4 IoCs
Processes:
b9ec31633a70a6fbb04e2aa3abe52587b9a5cdcea89019db45936cd0e02ec699.exedescription ioc process Set value (str) \REGISTRY\USER\S-1-5-21-3385717845-2518323428-350143044-1000\Software\Microsoft\Windows\CurrentVersion\Run\dplaysvr = "C:\\Users\\Admin\\AppData\\Local\\dplaysvr.exe" b9ec31633a70a6fbb04e2aa3abe52587b9a5cdcea89019db45936cd0e02ec699.exe Key created \REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Windows\CurrentVersion\Run\ b9ec31633a70a6fbb04e2aa3abe52587b9a5cdcea89019db45936cd0e02ec699.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Windows\CurrentVersion\Run\dplaysvr = "C:\\Users\\Admin\\AppData\\Local\\dplaysvr.exe" b9ec31633a70a6fbb04e2aa3abe52587b9a5cdcea89019db45936cd0e02ec699.exe Key created \REGISTRY\USER\S-1-5-21-3385717845-2518323428-350143044-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\ b9ec31633a70a6fbb04e2aa3abe52587b9a5cdcea89019db45936cd0e02ec699.exe -
Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s). Likely ransomware behaviour.
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Suspicious use of SetWindowsHookEx 1 IoCs
Processes:
dplaysvr.exepid process 1688 dplaysvr.exe -
Suspicious use of UnmapMainImage 2 IoCs
Processes:
b9ec31633a70a6fbb04e2aa3abe52587b9a5cdcea89019db45936cd0e02ec699.exedplaysvr.exepid process 1252 b9ec31633a70a6fbb04e2aa3abe52587b9a5cdcea89019db45936cd0e02ec699.exe 1688 dplaysvr.exe -
Suspicious use of WriteProcessMemory 4 IoCs
Processes:
b9ec31633a70a6fbb04e2aa3abe52587b9a5cdcea89019db45936cd0e02ec699.exedescription pid process target process PID 1252 wrote to memory of 1688 1252 b9ec31633a70a6fbb04e2aa3abe52587b9a5cdcea89019db45936cd0e02ec699.exe dplaysvr.exe PID 1252 wrote to memory of 1688 1252 b9ec31633a70a6fbb04e2aa3abe52587b9a5cdcea89019db45936cd0e02ec699.exe dplaysvr.exe PID 1252 wrote to memory of 1688 1252 b9ec31633a70a6fbb04e2aa3abe52587b9a5cdcea89019db45936cd0e02ec699.exe dplaysvr.exe PID 1252 wrote to memory of 1688 1252 b9ec31633a70a6fbb04e2aa3abe52587b9a5cdcea89019db45936cd0e02ec699.exe dplaysvr.exe
Processes
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C:\Users\Admin\AppData\Local\Temp\b9ec31633a70a6fbb04e2aa3abe52587b9a5cdcea89019db45936cd0e02ec699.exe"C:\Users\Admin\AppData\Local\Temp\b9ec31633a70a6fbb04e2aa3abe52587b9a5cdcea89019db45936cd0e02ec699.exe"1⤵
- Drops file in Drivers directory
- Loads dropped DLL
- Adds Run key to start application
- Suspicious use of UnmapMainImage
- Suspicious use of WriteProcessMemory
PID:1252 -
C:\Users\Admin\AppData\Local\dplaysvr.exe"C:\Users\Admin\AppData\Local\dplaysvr.exe" C:\Users\Admin\AppData\Local\Temp\b9ec31633a70a6fbb04e2aa3abe52587b9a5cdcea89019db45936cd0e02ec699.exe2⤵
- Executes dropped EXE
- Loads dropped DLL
- Suspicious use of SetWindowsHookEx
- Suspicious use of UnmapMainImage
PID:1688
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C:\Windows\SysWOW64\DllHost.exeC:\Windows\SysWOW64\DllHost.exe /Processid:{3AD05575-8857-4850-9277-11B85BDB8E09}1⤵PID:676
Network
MITRE ATT&CK Enterprise v6
Replay Monitor
Loading Replay Monitor...
Downloads
-
Filesize
120KB
MD5fa177b19810aab654f90901f0bf4aa5a
SHA1a4b85aba037ba3e34a565b240a98edac4512f044
SHA256ef2bb74b710a805c8330b3bac5930cfd8338cfceea61d0ae509c1bb06c41180d
SHA512ed3a38e50cc3e32d47d3f3b804ccfe73f607ac6c1874e3dddd52006818a4a025109bdb2f7c5f2d95a1ecbe2de1aa0cdc893a83a79dfe3412428fb3d6d45480aa
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Filesize
49KB
MD535e5f9b769951356d41169c722b1d530
SHA171cd17fb9644cfa3472fdf28efb99d116987166b
SHA2562e337c4cae86cd7f2add2e047676920ae1fe7a91b350735ae27e53725ed965e3
SHA51291e94990c18166f4cfb7ae3f179e7b66506dd2850aed1701dc4019b806e36e190f1fc63b1750005720fec14f6c08178a007f6805a49e8bf40f0ccc343a2a76e6
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Filesize
120KB
MD5fa177b19810aab654f90901f0bf4aa5a
SHA1a4b85aba037ba3e34a565b240a98edac4512f044
SHA256ef2bb74b710a805c8330b3bac5930cfd8338cfceea61d0ae509c1bb06c41180d
SHA512ed3a38e50cc3e32d47d3f3b804ccfe73f607ac6c1874e3dddd52006818a4a025109bdb2f7c5f2d95a1ecbe2de1aa0cdc893a83a79dfe3412428fb3d6d45480aa
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Filesize
120KB
MD5fa177b19810aab654f90901f0bf4aa5a
SHA1a4b85aba037ba3e34a565b240a98edac4512f044
SHA256ef2bb74b710a805c8330b3bac5930cfd8338cfceea61d0ae509c1bb06c41180d
SHA512ed3a38e50cc3e32d47d3f3b804ccfe73f607ac6c1874e3dddd52006818a4a025109bdb2f7c5f2d95a1ecbe2de1aa0cdc893a83a79dfe3412428fb3d6d45480aa
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Filesize
49KB
MD535e5f9b769951356d41169c722b1d530
SHA171cd17fb9644cfa3472fdf28efb99d116987166b
SHA2562e337c4cae86cd7f2add2e047676920ae1fe7a91b350735ae27e53725ed965e3
SHA51291e94990c18166f4cfb7ae3f179e7b66506dd2850aed1701dc4019b806e36e190f1fc63b1750005720fec14f6c08178a007f6805a49e8bf40f0ccc343a2a76e6
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Filesize
120KB
MD5fa177b19810aab654f90901f0bf4aa5a
SHA1a4b85aba037ba3e34a565b240a98edac4512f044
SHA256ef2bb74b710a805c8330b3bac5930cfd8338cfceea61d0ae509c1bb06c41180d
SHA512ed3a38e50cc3e32d47d3f3b804ccfe73f607ac6c1874e3dddd52006818a4a025109bdb2f7c5f2d95a1ecbe2de1aa0cdc893a83a79dfe3412428fb3d6d45480aa
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Filesize
49KB
MD535e5f9b769951356d41169c722b1d530
SHA171cd17fb9644cfa3472fdf28efb99d116987166b
SHA2562e337c4cae86cd7f2add2e047676920ae1fe7a91b350735ae27e53725ed965e3
SHA51291e94990c18166f4cfb7ae3f179e7b66506dd2850aed1701dc4019b806e36e190f1fc63b1750005720fec14f6c08178a007f6805a49e8bf40f0ccc343a2a76e6