Analysis
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max time kernel
148s -
max time network
150s -
platform
windows10-2004_x64 -
resource
win10v2004-20240802-en -
resource tags
arch:x64arch:x86image:win10v2004-20240802-enlocale:en-usos:windows10-2004-x64system -
submitted
09-08-2024 00:49
Static task
static1
Behavioral task
behavioral1
Sample
3edf5387789d7100cab0571c9f09c129dc08990894aea00bcd7ea333b9177a12.exe
Resource
win7-20240729-en
General
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Target
3edf5387789d7100cab0571c9f09c129dc08990894aea00bcd7ea333b9177a12.exe
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Size
2.0MB
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MD5
93f9576db99266a7a5e58e567b060256
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SHA1
c5f34cc770303f0383b09c96cfe1501d1a4548ef
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SHA256
3edf5387789d7100cab0571c9f09c129dc08990894aea00bcd7ea333b9177a12
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SHA512
9c6340805824951e11b369f1dc8e749cf7f1f4483332fedca12345212c29a59a5fdeded3e08353cd585f9b4cd14d2891b016752a65cc7fe419a29a7e3a167efa
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SSDEEP
49152:fVAbwuGwKOco09gsJcxlV8fTguPOAItUIrhO5Ov:dApQx5+Mc27g9tfoMv
Malware Config
Signatures
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Downloads MZ/PE file
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Executes dropped EXE 6 IoCs
pid Process 1220 setup.exe 2268 setup.exe 1656 setup.exe 4456 Assistant_112.0.5197.30_Setup.exe_sfx.exe 4560 assistant_installer.exe 4084 assistant_installer.exe -
Loads dropped DLL 7 IoCs
pid Process 1220 setup.exe 2268 setup.exe 1656 setup.exe 4560 assistant_installer.exe 4560 assistant_installer.exe 4084 assistant_installer.exe 4084 assistant_installer.exe -
Reads user/profile data of web browsers 2 TTPs
Infostealers often target stored browser data, which can include saved credentials etc.
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Enumerates connected drives 3 TTPs 2 IoCs
Attempts to read the root path of hard drives other than the default C: drive.
description ioc Process File opened (read-only) \??\D: setup.exe File opened (read-only) \??\F: setup.exe -
System Location Discovery: System Language Discovery 1 TTPs 7 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 assistant_installer.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language 3edf5387789d7100cab0571c9f09c129dc08990894aea00bcd7ea333b9177a12.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language setup.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language setup.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language setup.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language Assistant_112.0.5197.30_Setup.exe_sfx.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language assistant_installer.exe -
description ioc Process Key created \REGISTRY\MACHINE\SOFTWARE\Microsoft\SystemCertificates\AuthRoot\Certificates\DDFB16CD4931C973A2037D3FC83A4D7D775D05E4 setup.exe Set value (data) \REGISTRY\MACHINE\SOFTWARE\Microsoft\SystemCertificates\AuthRoot\Certificates\DDFB16CD4931C973A2037D3FC83A4D7D775D05E4\Blob = 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 setup.exe Set value (data) \REGISTRY\MACHINE\SOFTWARE\Microsoft\SystemCertificates\AuthRoot\Certificates\DDFB16CD4931C973A2037D3FC83A4D7D775D05E4\Blob = 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 setup.exe -
Suspicious use of SetWindowsHookEx 1 IoCs
pid Process 1220 setup.exe -
Suspicious use of WriteProcessMemory 18 IoCs
description pid Process procid_target PID 720 wrote to memory of 1220 720 3edf5387789d7100cab0571c9f09c129dc08990894aea00bcd7ea333b9177a12.exe 85 PID 720 wrote to memory of 1220 720 3edf5387789d7100cab0571c9f09c129dc08990894aea00bcd7ea333b9177a12.exe 85 PID 720 wrote to memory of 1220 720 3edf5387789d7100cab0571c9f09c129dc08990894aea00bcd7ea333b9177a12.exe 85 PID 1220 wrote to memory of 2268 1220 setup.exe 87 PID 1220 wrote to memory of 2268 1220 setup.exe 87 PID 1220 wrote to memory of 2268 1220 setup.exe 87 PID 1220 wrote to memory of 1656 1220 setup.exe 88 PID 1220 wrote to memory of 1656 1220 setup.exe 88 PID 1220 wrote to memory of 1656 1220 setup.exe 88 PID 1220 wrote to memory of 4456 1220 setup.exe 91 PID 1220 wrote to memory of 4456 1220 setup.exe 91 PID 1220 wrote to memory of 4456 1220 setup.exe 91 PID 1220 wrote to memory of 4560 1220 setup.exe 92 PID 1220 wrote to memory of 4560 1220 setup.exe 92 PID 1220 wrote to memory of 4560 1220 setup.exe 92 PID 4560 wrote to memory of 4084 4560 assistant_installer.exe 93 PID 4560 wrote to memory of 4084 4560 assistant_installer.exe 93 PID 4560 wrote to memory of 4084 4560 assistant_installer.exe 93
Processes
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C:\Users\Admin\AppData\Local\Temp\3edf5387789d7100cab0571c9f09c129dc08990894aea00bcd7ea333b9177a12.exe"C:\Users\Admin\AppData\Local\Temp\3edf5387789d7100cab0571c9f09c129dc08990894aea00bcd7ea333b9177a12.exe"1⤵
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:720 -
C:\Users\Admin\AppData\Local\Temp\7zS0D2267D7\setup.exeC:\Users\Admin\AppData\Local\Temp\7zS0D2267D7\setup.exe2⤵
- Executes dropped EXE
- Loads dropped DLL
- Enumerates connected drives
- System Location Discovery: System Language Discovery
- Modifies system certificate store
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:1220 -
C:\Users\Admin\AppData\Local\Temp\7zS0D2267D7\setup.exeC:\Users\Admin\AppData\Local\Temp\7zS0D2267D7\setup.exe --type=crashpad-handler /prefetch:4 --monitor-self-annotation=ptype=crashpad-handler "--database=C:\Users\Admin\AppData\Roaming\Opera Software\Opera Stable\Crash Reports" "--crash-count-file=C:\Users\Admin\AppData\Roaming\Opera Software\Opera Stable\crash_count.txt" --url=https://crashstats-collector.opera.com/collector/submit --annotation=channel=Stable --annotation=plat=Win32 --annotation=prod=OperaDesktop --annotation=ver=112.0.5197.53 --initial-client-data=0x32c,0x330,0x334,0x300,0x338,0x743aa174,0x743aa180,0x743aa18c3⤵
- Executes dropped EXE
- Loads dropped DLL
- System Location Discovery: System Language Discovery
PID:2268
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C:\Users\Admin\AppData\Local\Temp\.opera\Opera Installer Temp\setup.exe"C:\Users\Admin\AppData\Local\Temp\.opera\Opera Installer Temp\setup.exe" --version3⤵
- Executes dropped EXE
- Loads dropped DLL
- System Location Discovery: System Language Discovery
PID:1656
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C:\Users\Admin\AppData\Local\Temp\.opera\Opera Installer Temp\opera_package_202408090049461\assistant\Assistant_112.0.5197.30_Setup.exe_sfx.exe"C:\Users\Admin\AppData\Local\Temp\.opera\Opera Installer Temp\opera_package_202408090049461\assistant\Assistant_112.0.5197.30_Setup.exe_sfx.exe"3⤵
- Executes dropped EXE
- System Location Discovery: System Language Discovery
PID:4456
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C:\Users\Admin\AppData\Local\Temp\.opera\Opera Installer Temp\opera_package_202408090049461\assistant\assistant_installer.exe"C:\Users\Admin\AppData\Local\Temp\.opera\Opera Installer Temp\opera_package_202408090049461\assistant\assistant_installer.exe" --version3⤵
- Executes dropped EXE
- Loads dropped DLL
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:4560 -
C:\Users\Admin\AppData\Local\Temp\.opera\Opera Installer Temp\opera_package_202408090049461\assistant\assistant_installer.exe"C:\Users\Admin\AppData\Local\Temp\.opera\Opera Installer Temp\opera_package_202408090049461\assistant\assistant_installer.exe" --type=crashpad-handler /prefetch:4 --monitor-self-annotation=ptype=crashpad-handler "--database=C:\Users\Admin\AppData\Roaming\Opera Software\Opera Stable\Crash Reports" "--crash-count-file=C:\Users\Admin\AppData\Roaming\Opera Software\Opera Stable\crash_count.txt" --url=https://crashstats-collector.opera.com/collector/submit --annotation=channel=Stable --annotation=plat=Win32 --annotation=prod=OperaDesktop --annotation=ver=112.0.5197.30 --initial-client-data=0x220,0x224,0x228,0x1fc,0x22c,0x1058f40,0x1058f4c,0x1058f584⤵
- Executes dropped EXE
- Loads dropped DLL
- System Location Discovery: System Language Discovery
PID:4084
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Network
MITRE ATT&CK Enterprise v15
Replay Monitor
Loading Replay Monitor...
Downloads
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C:\Users\Admin\AppData\Local\Temp\.opera\Opera Installer Temp\opera_package_202408090049461\assistant\Assistant_112.0.5197.30_Setup.exe_sfx.exe
Filesize2.6MB
MD51bf64fd766bd850bcf8e0ffa9093484b
SHA101524bb2c88b7066391da291ee474004a4904891
SHA25658794b1bf4d84bd7566ee89fd8a8a4157dc70c598d229ec5101959f30b6f3491
SHA512cdf2830edc5d4f30beae41591f3a1bcff820f75444d70338a4c6d36e10df43475f383a9f291b619a008452c53e0dddf65547f217386389000535d6d264854e7f
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C:\Users\Admin\AppData\Local\Temp\.opera\Opera Installer Temp\opera_package_202408090049461\assistant\assistant_installer.exe
Filesize1.9MB
MD59afe96db501220cf42b262fdac954dc8
SHA1d3471998f674b267256e72a30977a79abcd8fca9
SHA256fc5608bf95bb02e889aa9be15abc5c066acd62ba07f886b323383e75909a2566
SHA512ecff52ca7467e3948faa244c1fc7c3d4d1f1dbe74077d071b78147729a078cc6a676212e0606111edcf542d554045c4f5a4d502545b2f0a285cda6c5d0b69b27
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C:\Users\Admin\AppData\Local\Temp\.opera\Opera Installer Temp\opera_package_202408090049461\assistant\dbgcore.DLL
Filesize166KB
MD5e0274730d20eb9571d59f2da20d165a2
SHA1b746aeca5f7cbee0de163309c9d207c94f9b8d64
SHA256c5c4c6430bcfe6118a4f499c94afa460401e369dc548a24688532c95fd202ec5
SHA512d95998b69e6c3d25037e12e038f2773960de2d18df1af0342fd805c7c349bd630a21d0e0fe7490baaf274e90781ebf6a2667e64593f9d91174d040bfe640bddf
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C:\Users\Admin\AppData\Local\Temp\.opera\Opera Installer Temp\opera_package_202408090049461\assistant\dbghelp.dll
Filesize1.7MB
MD56e9976cc7b2def7a37106703e47626a5
SHA1edcb4758f8ee56e9c6515f912d5024aeca9ead50
SHA256fd8840fab4b61db4e9e09168e5b1b4f0e9bfea0a64482fd475ab63c712b92b9c
SHA51227091e6ad001dac22897a295806925e02f693096d79667e587de74ca955ffb9b2773b22c83e306e7164862524e02ad028e68684c2ca7d9e4da1ff03787dd40ca
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Filesize
5.2MB
MD544908c157516d82119d84a3b1c4a31f7
SHA1dea19891d14b4e3598844f624c919b0dc5ce236f
SHA256be21539218a31ff278f218a172b9972f4d8978a281387acdadf9a25b86e30b1a
SHA5125a83d45533202ba573941d041619bd7f17e997f352f73528029d1f07da9a26c4f50f1cf77c822f972b596fa75bd2eeb0bca8170d89343d8b590ba869be058106
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Filesize
4.7MB
MD5d7b7e0f7865a3cc624e95cefe2bc205c
SHA11352733bfaa54292d1457d3f7a87069c00a1f56f
SHA25694028494f0c28a14f21179ef4096e0c52f1d022a5ad65b070f0d8584b500b597
SHA512e5bced68446f702de4236a6f11ec005bc5233915ff689693a1894afe7ea924ca6d6d8ae722b12daa0ee0b4e35223606a55f13b34db648bfb24e96a76e834ff08
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Filesize
40B
MD5eee54dfb86f4a4170ec2448db3571ed4
SHA173fa2b685c670e65c62249e0fe219647573e77e0
SHA25612b71c26b4790d270f5f3100d1a4d76395f44e5b6c8733ecf87477a7f2f68ac9
SHA512c9124001376413c40ff2c9ce0cdabb0fd51a7f9ea56a2f982bc166c483889f3595d86bc7a34208976372bc64dd1095712ebe8fe0e80eea2f04633bf14d6a3124