Analysis
- max time kernel
142s - max time network
150s - platform
windows10-2004_x64 - resource
win10v2004-20241007-en - resource tags
arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-x64system - submitted
21/10/2024, 16:29
Static task
static1
Behavioral task
behavioral1
Sample
file.exe
Resource
win7-20240903-en
Behavioral task
behavioral2
Sample
file.exe
Resource
win10v2004-20241007-en
General
- Target file.exe
- Size 12.2MB
- Sample241021-ty8brsyfpc
- SHA256 e1475c8d8760880e5d874a7bacb983cedda7691e507f7b1f89269333063239cc
- MD5 b4a7565f5fe7f3fa54fa55734c050695
- SHA1 cb059c204ec0c030e29d41cddc7bc7e96a552b20
- SHA512 72591ddf64e0d14dbb717ebeaf12feb559e49309541ab7035b3ea3f3005e25a8533a934764cc1bd6befe820c3e8d8371e356f68de3aee6a67f1e1b7d7f9e61ae
- SSDEEP 98304:kmCvsKdBHCa5b2MGm76yqmstR16ZcTLpJMvbqyxIJfJu0K7nB:ysKdBHCa5b2MGm765miRciJyxgRu0Mn
- MD5 SHA1 SHA512 SSDEEP
Malware Config
Extracted
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cryptbot
Signatures
- Uses browser remote debugging 2 TTPs 4 IoCs
Can be used control the browser and steal sensitive information such as credentials and session cookies.
pid Process 2540 chrome.exe 2380 chrome.exe 4388 chrome.exe 3524 chrome.exe - Checks computer location settings 2 TTPs 1 IoCs
Looks up country code configured in the registry, likely geofence.
description ioc Process Key value queried \REGISTRY\USER\S-1-5-21-940901362-3608833189-1915618603-1000\Control Panel\International\Geo\Nation file.exe - Executes dropped EXE 3 IoCs
pid Process 4664 service123.exe 5108 service123.exe 5100 service123.exe - Loads dropped DLL 3 IoCs
pid Process 4664 service123.exe 5108 service123.exe 5100 service123.exe - Reads user/profile data of web browsers 3 TTPs
Infostealers often target stored browser data, which can include saved credentials etc.
- Checks installed software on the system 1 TTPs
Looks up Uninstall key entries in the registry to enumerate software on the system.
- Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s).
- System Location Discovery: System Language Discovery 1 TTPs 3 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 file.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language service123.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language schtasks.exe - Checks processor information in registry 2 TTPs 2 IoCs
Processor information is often read in order to detect sandboxing environments.
description ioc Process Key opened \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0 file.exe Key value queried \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0\ProcessorNameString file.exe - Enumerates system info in registry 2 TTPs 3 IoCs
description ioc Process Key opened \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\BIOS chrome.exe Key value queried \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\BIOS\SystemProductName chrome.exe Key value queried \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\BIOS\SystemManufacturer chrome.exe - Scheduled Task/Job: Scheduled Task 1 TTPs 1 IoCs
Schtasks is often used by malware for persistence or to perform post-infection execution.
pid Process 2116 schtasks.exe - Suspicious behavior: EnumeratesProcesses 2 IoCs
pid Process 2540 chrome.exe 2540 chrome.exe - Suspicious behavior: NtCreateUserProcessBlockNonMicrosoftBinary 3 IoCs
pid Process 2540 chrome.exe 2540 chrome.exe 2540 chrome.exe - Suspicious use of AdjustPrivilegeToken 4 IoCs
description pid Process Token: SeShutdownPrivilege 2540 chrome.exe Token: SeCreatePagefilePrivilege 2540 chrome.exe Token: SeShutdownPrivilege 2540 chrome.exe Token: SeCreatePagefilePrivilege 2540 chrome.exe - Suspicious use of FindShellTrayWindow 26 IoCs
pid Process 2540 chrome.exe 2540 chrome.exe 2540 chrome.exe 2540 chrome.exe 2540 chrome.exe 2540 chrome.exe 2540 chrome.exe 2540 chrome.exe 2540 chrome.exe 2540 chrome.exe 2540 chrome.exe 2540 chrome.exe 2540 chrome.exe 2540 chrome.exe 2540 chrome.exe 2540 chrome.exe 2540 chrome.exe 2540 chrome.exe 2540 chrome.exe 2540 chrome.exe 2540 chrome.exe 2540 chrome.exe 2540 chrome.exe 2540 chrome.exe 2540 chrome.exe 2540 chrome.exe - Suspicious use of WriteProcessMemory 64 IoCs
description pid Process procid_target PID 5060 wrote to memory of 2540 5060 file.exe 98 PID 5060 wrote to memory of 2540 5060 file.exe 98 PID 2540 wrote to memory of 4228 2540 chrome.exe 99 PID 2540 wrote to memory of 4228 2540 chrome.exe 99 PID 2540 wrote to memory of 4264 2540 chrome.exe 100 PID 2540 wrote to memory of 4264 2540 chrome.exe 100 PID 2540 wrote to memory of 4264 2540 chrome.exe 100 PID 2540 wrote to memory of 4264 2540 chrome.exe 100 PID 2540 wrote to memory of 4264 2540 chrome.exe 100 PID 2540 wrote to memory of 4264 2540 chrome.exe 100 PID 2540 wrote to memory of 4264 2540 chrome.exe 100 PID 2540 wrote to memory of 4264 2540 chrome.exe 100 PID 2540 wrote to memory of 4264 2540 chrome.exe 100 PID 2540 wrote to memory of 4264 2540 chrome.exe 100 PID 2540 wrote to memory of 4264 2540 chrome.exe 100 PID 2540 wrote to memory of 4264 2540 chrome.exe 100 PID 2540 wrote to memory of 4264 2540 chrome.exe 100 PID 2540 wrote to memory of 4264 2540 chrome.exe 100 PID 2540 wrote to memory of 4264 2540 chrome.exe 100 PID 2540 wrote to memory of 4264 2540 chrome.exe 100 PID 2540 wrote to memory of 4264 2540 chrome.exe 100 PID 2540 wrote to memory of 4264 2540 chrome.exe 100 PID 2540 wrote to memory of 4264 2540 chrome.exe 100 PID 2540 wrote to memory of 4264 2540 chrome.exe 100 PID 2540 wrote to memory of 4264 2540 chrome.exe 100 PID 2540 wrote to memory of 4264 2540 chrome.exe 100 PID 2540 wrote to memory of 4264 2540 chrome.exe 100 PID 2540 wrote to memory of 4264 2540 chrome.exe 100 PID 2540 wrote to memory of 4264 2540 chrome.exe 100 PID 2540 wrote to memory of 4264 2540 chrome.exe 100 PID 2540 wrote to memory of 4264 2540 chrome.exe 100 PID 2540 wrote to memory of 4264 2540 chrome.exe 100 PID 2540 wrote to memory of 4264 2540 chrome.exe 100 PID 2540 wrote to memory of 4264 2540 chrome.exe 100 PID 2540 wrote to memory of 3680 2540 chrome.exe 101 PID 2540 wrote to memory of 3680 2540 chrome.exe 101 PID 2540 wrote to memory of 2920 2540 chrome.exe 102 PID 2540 wrote to memory of 2920 2540 chrome.exe 102 PID 2540 wrote to memory of 2920 2540 chrome.exe 102 PID 2540 wrote to memory of 2920 2540 chrome.exe 102 PID 2540 wrote to memory of 2920 2540 chrome.exe 102 PID 2540 wrote to memory of 2920 2540 chrome.exe 102 PID 2540 wrote to memory of 2920 2540 chrome.exe 102 PID 2540 wrote to memory of 2920 2540 chrome.exe 102 PID 2540 wrote to memory of 2920 2540 chrome.exe 102 PID 2540 wrote to memory of 2920 2540 chrome.exe 102 PID 2540 wrote to memory of 2920 2540 chrome.exe 102 PID 2540 wrote to memory of 2920 2540 chrome.exe 102 PID 2540 wrote to memory of 2920 2540 chrome.exe 102 PID 2540 wrote to memory of 2920 2540 chrome.exe 102 PID 2540 wrote to memory of 2920 2540 chrome.exe 102 PID 2540 wrote to memory of 2920 2540 chrome.exe 102 PID 2540 wrote to memory of 2920 2540 chrome.exe 102 PID 2540 wrote to memory of 2920 2540 chrome.exe 102 PID 2540 wrote to memory of 2920 2540 chrome.exe 102 PID 2540 wrote to memory of 2920 2540 chrome.exe 102 PID 2540 wrote to memory of 2920 2540 chrome.exe 102 PID 2540 wrote to memory of 2920 2540 chrome.exe 102 PID 2540 wrote to memory of 2920 2540 chrome.exe 102 PID 2540 wrote to memory of 2920 2540 chrome.exe 102 PID 2540 wrote to memory of 2920 2540 chrome.exe 102 PID 2540 wrote to memory of 2920 2540 chrome.exe 102 PID 2540 wrote to memory of 2920 2540 chrome.exe 102 PID 2540 wrote to memory of 2920 2540 chrome.exe 102
Processes
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C:\Users\Admin\AppData\Local\Temp\file.exe"C:\Users\Admin\AppData\Local\Temp\file.exe"1⤵
- Checks computer location settings
- System Location Discovery: System Language Discovery
- Checks processor information in registry
- Suspicious use of WriteProcessMemory
PID:5060 -
C:\Program Files\Google\Chrome\Application\chrome.exe"C:\Program Files\Google\Chrome\Application\chrome.exe" --remote-debugging-port=9222 --profile-directory="Default"2⤵
- Uses browser remote debugging
- Enumerates system info in registry
- Suspicious behavior: EnumeratesProcesses
- Suspicious behavior: NtCreateUserProcessBlockNonMicrosoftBinary
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of FindShellTrayWindow
- Suspicious use of WriteProcessMemory
PID:2540 -
C:\Program Files\Google\Chrome\Application\chrome.exe"C:\Program Files\Google\Chrome\Application\chrome.exe" --type=crashpad-handler "--user-data-dir=C:\Users\Admin\AppData\Local\Google\Chrome\User Data" /prefetch:4 --monitor-self-annotation=ptype=crashpad-handler "--database=C:\Users\Admin\AppData\Local\Google\Chrome\User Data\Crashpad" "--metrics-dir=C:\Users\Admin\AppData\Local\Google\Chrome\User Data" --url=https://clients2.google.com/cr/report --annotation=channel= --annotation=plat=Win64 --annotation=prod=Chrome --annotation=ver=123.0.6312.123 --initial-client-data=0xf8,0xfc,0x100,0xd4,0x104,0x7ffe434bcc40,0x7ffe434bcc4c,0x7ffe434bcc583⤵PID:4228
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C:\Program Files\Google\Chrome\Application\chrome.exe"C:\Program Files\Google\Chrome\Application\chrome.exe" --type=gpu-process --no-appcompat-clear --gpu-preferences=WAAAAAAAAADgAAAMAAAAAAAAAAAAAAAAAABgAAEAAAA4AAAAAAAAAAAAAAAEAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAGAAAAAAAAAAYAAAAAAAAAAgAAAAAAAAACAAAAAAAAAAIAAAAAAAAAA== --field-trial-handle=1972,i,4417524313214435663,10756748732755529112,262144 --variations-seed-version=20241006-180150.222000 --mojo-platform-channel-handle=1960 /prefetch:23⤵PID:4264
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C:\Program Files\Google\Chrome\Application\chrome.exe"C:\Program Files\Google\Chrome\Application\chrome.exe" --type=utility --utility-sub-type=network.mojom.NetworkService --lang=en-US --service-sandbox-type=none --no-appcompat-clear --field-trial-handle=1892,i,4417524313214435663,10756748732755529112,262144 --variations-seed-version=20241006-180150.222000 --mojo-platform-channel-handle=2072 /prefetch:33⤵PID:3680
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C:\Program Files\Google\Chrome\Application\chrome.exe"C:\Program Files\Google\Chrome\Application\chrome.exe" --type=utility --utility-sub-type=storage.mojom.StorageService --lang=en-US --service-sandbox-type=service --no-appcompat-clear --field-trial-handle=2260,i,4417524313214435663,10756748732755529112,262144 --variations-seed-version=20241006-180150.222000 --mojo-platform-channel-handle=2480 /prefetch:83⤵PID:2920
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C:\Program Files\Google\Chrome\Application\chrome.exe"C:\Program Files\Google\Chrome\Application\chrome.exe" --type=renderer --no-appcompat-clear --remote-debugging-port=9222 --lang=en-US --device-scale-factor=1 --num-raster-threads=4 --enable-main-frame-before-activation --renderer-client-id=6 --field-trial-handle=3172,i,4417524313214435663,10756748732755529112,262144 --variations-seed-version=20241006-180150.222000 --mojo-platform-channel-handle=3188 /prefetch:13⤵
- Uses browser remote debugging
PID:4388
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C:\Program Files\Google\Chrome\Application\chrome.exe"C:\Program Files\Google\Chrome\Application\chrome.exe" --type=renderer --no-appcompat-clear --remote-debugging-port=9222 --lang=en-US --device-scale-factor=1 --num-raster-threads=4 --enable-main-frame-before-activation --renderer-client-id=5 --field-trial-handle=3164,i,4417524313214435663,10756748732755529112,262144 --variations-seed-version=20241006-180150.222000 --mojo-platform-channel-handle=3232 /prefetch:13⤵
- Uses browser remote debugging
PID:2380
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C:\Program Files\Google\Chrome\Application\chrome.exe"C:\Program Files\Google\Chrome\Application\chrome.exe" --type=renderer --no-appcompat-clear --remote-debugging-port=9222 --lang=en-US --device-scale-factor=1 --num-raster-threads=4 --enable-main-frame-before-activation --renderer-client-id=7 --field-trial-handle=4436,i,4417524313214435663,10756748732755529112,262144 --variations-seed-version=20241006-180150.222000 --mojo-platform-channel-handle=4484 /prefetch:13⤵
- Uses browser remote debugging
PID:3524
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C:\Program Files\Google\Chrome\Application\chrome.exe"C:\Program Files\Google\Chrome\Application\chrome.exe" --type=utility --utility-sub-type=data_decoder.mojom.DataDecoderService --lang=en-US --service-sandbox-type=service --no-appcompat-clear --field-trial-handle=4624,i,4417524313214435663,10756748732755529112,262144 --variations-seed-version=20241006-180150.222000 --mojo-platform-channel-handle=4700 /prefetch:83⤵PID:4288
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C:\Program Files\Google\Chrome\Application\chrome.exe"C:\Program Files\Google\Chrome\Application\chrome.exe" --type=utility --utility-sub-type=data_decoder.mojom.DataDecoderService --lang=en-US --service-sandbox-type=service --no-appcompat-clear --field-trial-handle=4608,i,4417524313214435663,10756748732755529112,262144 --variations-seed-version=20241006-180150.222000 --mojo-platform-channel-handle=4760 /prefetch:83⤵PID:4296
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C:\Users\Admin\AppData\Local\Temp\service123.exe"C:\Users\Admin\AppData\Local\Temp\service123.exe"2⤵
- Executes dropped EXE
- Loads dropped DLL
- System Location Discovery: System Language Discovery
PID:4664
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C:\Windows\SysWOW64\schtasks.exe"C:\Windows\System32\schtasks.exe" /create /tn "ServiceData4" /tr "C:\Users\Admin\AppData\Local\Temp\/service123.exe" /st 00:01 /du 9800:59 /sc once /ri 1 /f2⤵
- System Location Discovery: System Language Discovery
- Scheduled Task/Job: Scheduled Task
PID:2116
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C:\Program Files\Google\Chrome\Application\123.0.6312.123\elevation_service.exe"C:\Program Files\Google\Chrome\Application\123.0.6312.123\elevation_service.exe"1⤵PID:3184
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C:\Users\Admin\AppData\Local\Temp\service123.exeC:\Users\Admin\AppData\Local\Temp\/service123.exe1⤵
- Executes dropped EXE
- Loads dropped DLL
PID:5108
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C:\Users\Admin\AppData\Local\Temp\service123.exeC:\Users\Admin\AppData\Local\Temp\/service123.exe1⤵
- Executes dropped EXE
- Loads dropped DLL
PID:5100
Network
MITRE ATT&CK Enterprise v15
Persistence
Modify Authentication Process
1Scheduled Task/Job
1Scheduled Task
1Credential Access
Credentials from Password Stores
1Credentials from Web Browsers
1Modify Authentication Process
1Steal Web Session Cookie
1Unsecured Credentials
1Credentials In Files
1Replay Monitor
Loading Replay Monitor...
Downloads
- Path C:\Users\Admin\AppData\Local\Google\Chrome\User Data\Default\Network\SCT Auditing Pending Reports
- Size 2B
- SHA256 4f53cda18c2baa0c0354bb5f9a3ecbe5ed12ab4d8e11ba873c2f11161202b945
- MD5 d751713988987e9331980363e24189ce
- SHA1 97d170e1550eee4afc0af065b78cda302a97674c
- SHA512 b25b294cb4deb69ea00a4c3cf3113904801b6015e5956bd019a8570b1fe1d6040e944ef3cdee16d0a46503ca6e659a25f21cf9ceddc13f352a3c98138c15d6af
- MD5 SHA1 SHA512