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Analysis
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max time kernel
150s -
max time network
128s -
platform
windows10-2004_x64 -
resource
win10v2004-20240802-en -
resource tags
arch:x64arch:x86image:win10v2004-20240802-enlocale:en-usos:windows10-2004-x64system -
submitted
13/08/2024, 20:22
Static task
static1
Behavioral task
behavioral1
Sample
4a69630818393e22ff3bf09b012efd014cfb5e5f9df0ff36f019162f9f6480c7.exe
Resource
win7-20240705-en
Behavioral task
behavioral2
Sample
4a69630818393e22ff3bf09b012efd014cfb5e5f9df0ff36f019162f9f6480c7.exe
Resource
win10v2004-20240802-en
General
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Target
4a69630818393e22ff3bf09b012efd014cfb5e5f9df0ff36f019162f9f6480c7.exe
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Size
816KB
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MD5
7784a85f880f62c767c0bc99d8d9a287
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SHA1
5c811cf2cb739a81c0268b47c7725e311c750f56
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SHA256
4a69630818393e22ff3bf09b012efd014cfb5e5f9df0ff36f019162f9f6480c7
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SHA512
373e7793b465707f149c5ee306391051ca09637473b3401fbbcacf1e21c479e1f8b4dc67b98a185c62f663bcc6e2cabf550c11fcf2baffd9e0db8a3fb38acfc4
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SSDEEP
12288:4jauDReWumGU9+8cSX6vFr1BeedPsCVQJ9S/sdQRYfRDzPh7X1kmR8OqPrqLBqOf:4DDitU9+8cSX6wyCwB3TtQ
Malware Config
Signatures
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Executes dropped EXE 1 IoCs
pid Process 5072 dprnoc.exe -
Adds Run key to start application 2 TTPs 1 IoCs
description ioc Process Set value (str) \REGISTRY\USER\S-1-5-21-656926755-4116854191-210765258-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\Microsoft® Windows® Operating System = "C:\\ProgramData\\dprnoc.exe" dprnoc.exe -
Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s).
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System Location Discovery: System Language Discovery 1 TTPs 2 IoCs
Attempt gather information about the system language of a victim in order to infer the geographical location of that host.
description ioc Process Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language 4a69630818393e22ff3bf09b012efd014cfb5e5f9df0ff36f019162f9f6480c7.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language dprnoc.exe -
Suspicious use of WriteProcessMemory 3 IoCs
description pid Process procid_target PID 3444 wrote to memory of 5072 3444 4a69630818393e22ff3bf09b012efd014cfb5e5f9df0ff36f019162f9f6480c7.exe 85 PID 3444 wrote to memory of 5072 3444 4a69630818393e22ff3bf09b012efd014cfb5e5f9df0ff36f019162f9f6480c7.exe 85 PID 3444 wrote to memory of 5072 3444 4a69630818393e22ff3bf09b012efd014cfb5e5f9df0ff36f019162f9f6480c7.exe 85
Processes
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C:\Users\Admin\AppData\Local\Temp\4a69630818393e22ff3bf09b012efd014cfb5e5f9df0ff36f019162f9f6480c7.exe"C:\Users\Admin\AppData\Local\Temp\4a69630818393e22ff3bf09b012efd014cfb5e5f9df0ff36f019162f9f6480c7.exe"1⤵
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:3444 -
C:\ProgramData\dprnoc.exe"C:\ProgramData\dprnoc.exe"2⤵
- Executes dropped EXE
- Adds Run key to start application
- System Location Discovery: System Language Discovery
PID:5072
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Network
MITRE ATT&CK Enterprise v15
Replay Monitor
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Downloads
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Filesize
816KB
MD525b989b106004103ee405ecc185c75f4
SHA1ee4903ddad5c00975b9bad227f703fcda443c2b3
SHA256a21c7767ca76082ba0e6d44b22e56b39834c95fae8103e91bdccaa8229952ef5
SHA512cd6a7e1acfec65da4497b4faabe33fae981bb5abce4cf284065ebaf7fe2b8d173e18362d0a6f6dedc52849095bf2af9b2f6ffe143d119d82c36def467fcff061
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Filesize
136KB
MD5cb4c442a26bb46671c638c794bf535af
SHA18a742d0b372f2ddd2d1fdf688c3c4ac7f9272abf
SHA256f8d2c17bdf34ccfb58070ac8b131a8d95055340101a329f9a7212ac5240d0c25
SHA512074a31e8da403c0a718f93cbca50574d8b658921193db0e6e20eacd232379286f14a3698cd443dc740d324ad19d74934ae001a7ad64b88897d8afefbc9a3d4e3
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Filesize
679KB
MD55c8cbac5860877f840d46e29a31f21f0
SHA1c8df1cb1e2d02f59fc1d2cda0ba69b8bcdfe6ced
SHA256401a289ae15891941d443d91b4a4399ebec410a64eb8adb1f0d722c295fc077d
SHA51289e784be8aa7ac7211fe7ed0bd1268f946ac22d63d37620a4f5023c5a642e7c7c8af207e49caee3c2f55872df8f37a89199b416aa786fed7ac2222469b1dec77