Analysis
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max time kernel
147s -
max time network
118s -
platform
windows7_x64 -
resource
win7-20240903-en -
resource tags
arch:x64arch:x86image:win7-20240903-enlocale:en-usos:windows7-x64system -
submitted
19-11-2024 18:28
Static task
static1
Behavioral task
behavioral1
Sample
b9c1b1fa7c7d72fbd7fb7e3ee7749b73da02b44db92e4a87dfadbaaff5f0137d.exe
Resource
win7-20240903-en
General
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Target
b9c1b1fa7c7d72fbd7fb7e3ee7749b73da02b44db92e4a87dfadbaaff5f0137d.exe
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Size
4.2MB
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MD5
416cbb435775177c45aae15c3a0e1ff1
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SHA1
fe6c6d31ecb257273d77474eeae5ef2a1c4debed
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SHA256
b9c1b1fa7c7d72fbd7fb7e3ee7749b73da02b44db92e4a87dfadbaaff5f0137d
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SHA512
d4ad661bf3604e258cd8ccbdac13dc6c04f6ed86c2f9e48b5cb76f46c722744ffde417c06026e449ab9b6f0c1695aeb213d2fdfe2802850dddbac881c104c04b
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SSDEEP
98304:l5PBm/JegvH+mokBbmL7e9AMfpEWNl6pl4heOyydWmBL/uTu08e3m:nP8hTvemokBAZMsl4heLypuTu0j3m
Malware Config
Signatures
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Cryptbot family
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Detects CryptBot payload 1 IoCs
CryptBot is a C++ stealer distributed widely in bundle with other software.
Processes:
resource yara_rule behavioral1/memory/2036-10-0x0000000069CC0000-0x000000006A71B000-memory.dmp family_cryptbot_v3 -
Identifies VirtualBox via ACPI registry values (likely anti-VM) 2 TTPs 1 IoCs
Processes:
b9c1b1fa7c7d72fbd7fb7e3ee7749b73da02b44db92e4a87dfadbaaff5f0137d.exedescription ioc process Key opened \REGISTRY\MACHINE\HARDWARE\ACPI\DSDT\VBOX__ b9c1b1fa7c7d72fbd7fb7e3ee7749b73da02b44db92e4a87dfadbaaff5f0137d.exe -
Uses browser remote debugging 2 TTPs 4 IoCs
Can be used control the browser and steal sensitive information such as credentials and session cookies.
Processes:
chrome.exechrome.exechrome.exechrome.exepid process 2716 chrome.exe 2988 chrome.exe 2360 chrome.exe 844 chrome.exe -
Checks BIOS information in registry 2 TTPs 2 IoCs
BIOS information is often read in order to detect sandboxing environments.
Processes:
b9c1b1fa7c7d72fbd7fb7e3ee7749b73da02b44db92e4a87dfadbaaff5f0137d.exedescription ioc process Key value queried \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\VideoBiosVersion b9c1b1fa7c7d72fbd7fb7e3ee7749b73da02b44db92e4a87dfadbaaff5f0137d.exe Key value queried \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\SystemBiosVersion b9c1b1fa7c7d72fbd7fb7e3ee7749b73da02b44db92e4a87dfadbaaff5f0137d.exe -
Executes dropped EXE 3 IoCs
Processes:
service123.exeservice123.exeservice123.exepid process 2216 service123.exe 1552 service123.exe 1004 service123.exe -
Identifies Wine through registry keys 2 TTPs 1 IoCs
Wine is a compatibility layer capable of running Windows applications, which can be used as sandboxing environment.
Processes:
b9c1b1fa7c7d72fbd7fb7e3ee7749b73da02b44db92e4a87dfadbaaff5f0137d.exedescription ioc process Key opened \REGISTRY\USER\S-1-5-21-3063565911-2056067323-3330884624-1000\Software\Wine b9c1b1fa7c7d72fbd7fb7e3ee7749b73da02b44db92e4a87dfadbaaff5f0137d.exe -
Loads dropped DLL 5 IoCs
Processes:
b9c1b1fa7c7d72fbd7fb7e3ee7749b73da02b44db92e4a87dfadbaaff5f0137d.exeservice123.exeservice123.exeservice123.exepid process 2036 b9c1b1fa7c7d72fbd7fb7e3ee7749b73da02b44db92e4a87dfadbaaff5f0137d.exe 2036 b9c1b1fa7c7d72fbd7fb7e3ee7749b73da02b44db92e4a87dfadbaaff5f0137d.exe 2216 service123.exe 1552 service123.exe 1004 service123.exe -
Reads user/profile data of web browsers 3 TTPs
Infostealers often target stored browser data, which can include saved credentials etc.
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Checks installed software on the system 1 TTPs
Looks up Uninstall key entries in the registry to enumerate software on the system.
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Suspicious use of NtSetInformationThreadHideFromDebugger 1 IoCs
Processes:
b9c1b1fa7c7d72fbd7fb7e3ee7749b73da02b44db92e4a87dfadbaaff5f0137d.exepid process 2036 b9c1b1fa7c7d72fbd7fb7e3ee7749b73da02b44db92e4a87dfadbaaff5f0137d.exe -
Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s).
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Program crash 1 IoCs
Processes:
WerFault.exepid pid_target process target process 2964 2036 WerFault.exe b9c1b1fa7c7d72fbd7fb7e3ee7749b73da02b44db92e4a87dfadbaaff5f0137d.exe -
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.
Processes:
b9c1b1fa7c7d72fbd7fb7e3ee7749b73da02b44db92e4a87dfadbaaff5f0137d.exeschtasks.exedescription ioc process Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language b9c1b1fa7c7d72fbd7fb7e3ee7749b73da02b44db92e4a87dfadbaaff5f0137d.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.
Processes:
b9c1b1fa7c7d72fbd7fb7e3ee7749b73da02b44db92e4a87dfadbaaff5f0137d.exedescription ioc process Key opened \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0 b9c1b1fa7c7d72fbd7fb7e3ee7749b73da02b44db92e4a87dfadbaaff5f0137d.exe Key value queried \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0\ProcessorNameString b9c1b1fa7c7d72fbd7fb7e3ee7749b73da02b44db92e4a87dfadbaaff5f0137d.exe -
Enumerates system info in registry 2 TTPs 3 IoCs
Processes:
chrome.exedescription 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.
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Suspicious behavior: EnumeratesProcesses 3 IoCs
Processes:
b9c1b1fa7c7d72fbd7fb7e3ee7749b73da02b44db92e4a87dfadbaaff5f0137d.exechrome.exepid process 2036 b9c1b1fa7c7d72fbd7fb7e3ee7749b73da02b44db92e4a87dfadbaaff5f0137d.exe 2716 chrome.exe 2716 chrome.exe -
Suspicious use of AdjustPrivilegeToken 4 IoCs
Processes:
chrome.exedescription pid process Token: SeShutdownPrivilege 2716 chrome.exe Token: SeShutdownPrivilege 2716 chrome.exe Token: SeShutdownPrivilege 2716 chrome.exe Token: SeShutdownPrivilege 2716 chrome.exe -
Suspicious use of FindShellTrayWindow 34 IoCs
Processes:
chrome.exepid process 2716 chrome.exe 2716 chrome.exe 2716 chrome.exe 2716 chrome.exe 2716 chrome.exe 2716 chrome.exe 2716 chrome.exe 2716 chrome.exe 2716 chrome.exe 2716 chrome.exe 2716 chrome.exe 2716 chrome.exe 2716 chrome.exe 2716 chrome.exe 2716 chrome.exe 2716 chrome.exe 2716 chrome.exe 2716 chrome.exe 2716 chrome.exe 2716 chrome.exe 2716 chrome.exe 2716 chrome.exe 2716 chrome.exe 2716 chrome.exe 2716 chrome.exe 2716 chrome.exe 2716 chrome.exe 2716 chrome.exe 2716 chrome.exe 2716 chrome.exe 2716 chrome.exe 2716 chrome.exe 2716 chrome.exe 2716 chrome.exe -
Suspicious use of WriteProcessMemory 64 IoCs
Processes:
b9c1b1fa7c7d72fbd7fb7e3ee7749b73da02b44db92e4a87dfadbaaff5f0137d.exechrome.exedescription pid process target process PID 2036 wrote to memory of 2716 2036 b9c1b1fa7c7d72fbd7fb7e3ee7749b73da02b44db92e4a87dfadbaaff5f0137d.exe chrome.exe PID 2036 wrote to memory of 2716 2036 b9c1b1fa7c7d72fbd7fb7e3ee7749b73da02b44db92e4a87dfadbaaff5f0137d.exe chrome.exe PID 2036 wrote to memory of 2716 2036 b9c1b1fa7c7d72fbd7fb7e3ee7749b73da02b44db92e4a87dfadbaaff5f0137d.exe chrome.exe PID 2036 wrote to memory of 2716 2036 b9c1b1fa7c7d72fbd7fb7e3ee7749b73da02b44db92e4a87dfadbaaff5f0137d.exe chrome.exe PID 2716 wrote to memory of 2584 2716 chrome.exe chrome.exe PID 2716 wrote to memory of 2584 2716 chrome.exe chrome.exe PID 2716 wrote to memory of 2584 2716 chrome.exe chrome.exe PID 2716 wrote to memory of 3020 2716 chrome.exe ctfmon.exe PID 2716 wrote to memory of 3020 2716 chrome.exe ctfmon.exe PID 2716 wrote to memory of 3020 2716 chrome.exe ctfmon.exe PID 2716 wrote to memory of 1676 2716 chrome.exe chrome.exe PID 2716 wrote to memory of 1676 2716 chrome.exe chrome.exe PID 2716 wrote to memory of 1676 2716 chrome.exe chrome.exe PID 2716 wrote to memory of 1676 2716 chrome.exe chrome.exe PID 2716 wrote to memory of 1676 2716 chrome.exe chrome.exe PID 2716 wrote to memory of 1676 2716 chrome.exe chrome.exe PID 2716 wrote to memory of 1676 2716 chrome.exe chrome.exe PID 2716 wrote to memory of 1676 2716 chrome.exe chrome.exe PID 2716 wrote to memory of 1676 2716 chrome.exe chrome.exe PID 2716 wrote to memory of 1676 2716 chrome.exe chrome.exe PID 2716 wrote to memory of 1676 2716 chrome.exe chrome.exe PID 2716 wrote to memory of 1676 2716 chrome.exe chrome.exe PID 2716 wrote to memory of 1676 2716 chrome.exe chrome.exe PID 2716 wrote to memory of 1676 2716 chrome.exe chrome.exe PID 2716 wrote to memory of 1676 2716 chrome.exe chrome.exe PID 2716 wrote to memory of 1676 2716 chrome.exe chrome.exe PID 2716 wrote to memory of 1676 2716 chrome.exe chrome.exe PID 2716 wrote to memory of 1676 2716 chrome.exe chrome.exe PID 2716 wrote to memory of 1676 2716 chrome.exe chrome.exe PID 2716 wrote to memory of 1676 2716 chrome.exe chrome.exe PID 2716 wrote to memory of 1676 2716 chrome.exe chrome.exe PID 2716 wrote to memory of 1676 2716 chrome.exe chrome.exe PID 2716 wrote to memory of 1676 2716 chrome.exe chrome.exe PID 2716 wrote to memory of 1676 2716 chrome.exe chrome.exe PID 2716 wrote to memory of 1676 2716 chrome.exe chrome.exe PID 2716 wrote to memory of 1676 2716 chrome.exe chrome.exe PID 2716 wrote to memory of 1676 2716 chrome.exe chrome.exe PID 2716 wrote to memory of 1676 2716 chrome.exe chrome.exe PID 2716 wrote to memory of 1676 2716 chrome.exe chrome.exe PID 2716 wrote to memory of 1676 2716 chrome.exe chrome.exe PID 2716 wrote to memory of 1676 2716 chrome.exe chrome.exe PID 2716 wrote to memory of 1676 2716 chrome.exe chrome.exe PID 2716 wrote to memory of 1676 2716 chrome.exe chrome.exe PID 2716 wrote to memory of 1676 2716 chrome.exe chrome.exe PID 2716 wrote to memory of 1676 2716 chrome.exe chrome.exe PID 2716 wrote to memory of 1676 2716 chrome.exe chrome.exe PID 2716 wrote to memory of 1676 2716 chrome.exe chrome.exe PID 2716 wrote to memory of 1676 2716 chrome.exe chrome.exe PID 2716 wrote to memory of 1676 2716 chrome.exe chrome.exe PID 2716 wrote to memory of 692 2716 chrome.exe chrome.exe PID 2716 wrote to memory of 692 2716 chrome.exe chrome.exe PID 2716 wrote to memory of 692 2716 chrome.exe chrome.exe PID 2716 wrote to memory of 1444 2716 chrome.exe chrome.exe PID 2716 wrote to memory of 1444 2716 chrome.exe chrome.exe PID 2716 wrote to memory of 1444 2716 chrome.exe chrome.exe PID 2716 wrote to memory of 1444 2716 chrome.exe chrome.exe PID 2716 wrote to memory of 1444 2716 chrome.exe chrome.exe PID 2716 wrote to memory of 1444 2716 chrome.exe chrome.exe PID 2716 wrote to memory of 1444 2716 chrome.exe chrome.exe PID 2716 wrote to memory of 1444 2716 chrome.exe chrome.exe PID 2716 wrote to memory of 1444 2716 chrome.exe chrome.exe PID 2716 wrote to memory of 1444 2716 chrome.exe chrome.exe PID 2716 wrote to memory of 1444 2716 chrome.exe chrome.exe PID 2716 wrote to memory of 1444 2716 chrome.exe chrome.exe
Processes
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C:\Users\Admin\AppData\Local\Temp\b9c1b1fa7c7d72fbd7fb7e3ee7749b73da02b44db92e4a87dfadbaaff5f0137d.exe"C:\Users\Admin\AppData\Local\Temp\b9c1b1fa7c7d72fbd7fb7e3ee7749b73da02b44db92e4a87dfadbaaff5f0137d.exe"1⤵
- Identifies VirtualBox via ACPI registry values (likely anti-VM)
- Checks BIOS information in registry
- Identifies Wine through registry keys
- Loads dropped DLL
- Suspicious use of NtSetInformationThreadHideFromDebugger
- System Location Discovery: System Language Discovery
- Checks processor information in registry
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of WriteProcessMemory
PID:2036 -
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 use of AdjustPrivilegeToken
- Suspicious use of FindShellTrayWindow
- Suspicious use of WriteProcessMemory
PID:2716 -
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:7 --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=106.0.5249.119 --initial-client-data=0xc0,0xc4,0xc8,0x94,0xcc,0x7fef66a9758,0x7fef66a9768,0x7fef66a97783⤵PID:2584
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C:\Windows\system32\ctfmon.exectfmon.exe3⤵PID:3020
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C:\Program Files\Google\Chrome\Application\chrome.exe"C:\Program Files\Google\Chrome\Application\chrome.exe" --type=gpu-process --gpu-preferences=UAAAAAAAAADgAAAYAAAAAAAAAAAAAAAAAABgAAAAAAAwAAAAAAAAAAAAAAAQAAAAAAAAAAAAAAAAAAAAAAAAAEgAAAAAAAAASAAAAAAAAAAYAAAAAgAAABAAAAAAAAAAGAAAAAAAAAAQAAAAAAAAAAAAAAAOAAAAEAAAAAAAAAABAAAADgAAAAgAAAAAAAAACAAAAAAAAAA= --mojo-platform-channel-handle=1140 --field-trial-handle=1120,i,6376357253505499146,5910142642006488677,131072 /prefetch:23⤵PID:1676
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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 --mojo-platform-channel-handle=1436 --field-trial-handle=1120,i,6376357253505499146,5910142642006488677,131072 /prefetch:83⤵PID:692
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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=utility --mojo-platform-channel-handle=1540 --field-trial-handle=1120,i,6376357253505499146,5910142642006488677,131072 /prefetch:83⤵PID:1444
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C:\Program Files\Google\Chrome\Application\chrome.exe"C:\Program Files\Google\Chrome\Application\chrome.exe" --type=renderer --display-capture-permissions-policy-allowed --first-renderer-process --remote-debugging-port=9222 --lang=en-US --device-scale-factor=1 --num-raster-threads=4 --enable-main-frame-before-activation --renderer-client-id=6 --mojo-platform-channel-handle=2176 --field-trial-handle=1120,i,6376357253505499146,5910142642006488677,131072 /prefetch:13⤵
- Uses browser remote debugging
PID:2988
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C:\Program Files\Google\Chrome\Application\chrome.exe"C:\Program Files\Google\Chrome\Application\chrome.exe" --type=renderer --display-capture-permissions-policy-allowed --remote-debugging-port=9222 --lang=en-US --device-scale-factor=1 --num-raster-threads=4 --enable-main-frame-before-activation --renderer-client-id=5 --mojo-platform-channel-handle=2192 --field-trial-handle=1120,i,6376357253505499146,5910142642006488677,131072 /prefetch:13⤵
- Uses browser remote debugging
PID:2360
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C:\Program Files\Google\Chrome\Application\chrome.exe"C:\Program Files\Google\Chrome\Application\chrome.exe" --type=gpu-process --gpu-preferences=UAAAAAAAAADgAAAYAAAAAAAAAAAAAAAAAABgAAAAAAAwAAAAAAAAAAAAAAAQAAAAAAAAAAAAAAAAAAAAAAAAAEgAAAAAAAAASAAAAAAAAAAYAAAAAgAAABAAAAAAAAAAGAAAAAAAAAAQAAAAAAAAAAAAAAAOAAAAEAAAAAAAAAABAAAADgAAAAgAAAAAAAAACAAAAAAAAAA= --use-gl=angle --use-angle=swiftshader-webgl --mojo-platform-channel-handle=1416 --field-trial-handle=1120,i,6376357253505499146,5910142642006488677,131072 /prefetch:23⤵PID:2968
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C:\Program Files\Google\Chrome\Application\chrome.exe"C:\Program Files\Google\Chrome\Application\chrome.exe" --type=renderer --display-capture-permissions-policy-allowed --remote-debugging-port=9222 --disable-gpu-compositing --lang=en-US --device-scale-factor=1 --num-raster-threads=4 --enable-main-frame-before-activation --renderer-client-id=8 --mojo-platform-channel-handle=3172 --field-trial-handle=1120,i,6376357253505499146,5910142642006488677,131072 /prefetch:13⤵
- Uses browser remote debugging
PID:844
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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
PID:2216
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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:2804
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C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -u -p 2036 -s 9522⤵
- Program crash
PID:2964
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C:\Program Files\Google\Chrome\Application\106.0.5249.119\elevation_service.exe"C:\Program Files\Google\Chrome\Application\106.0.5249.119\elevation_service.exe"1⤵PID:2148
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C:\Windows\system32\taskeng.exetaskeng.exe {D855A60E-2195-4387-B308-9A36B58013AF} S-1-5-21-3063565911-2056067323-3330884624-1000:KHBTHJFA\Admin:Interactive:[1]1⤵PID:2464
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C:\Users\Admin\AppData\Local\Temp\service123.exeC:\Users\Admin\AppData\Local\Temp\/service123.exe2⤵
- Executes dropped EXE
- Loads dropped DLL
PID:1552
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C:\Users\Admin\AppData\Local\Temp\service123.exeC:\Users\Admin\AppData\Local\Temp\/service123.exe2⤵
- Executes dropped EXE
- Loads dropped DLL
PID:1004
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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
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Filesize
264KB
MD5f50f89a0a91564d0b8a211f8921aa7de
SHA1112403a17dd69d5b9018b8cede023cb3b54eab7d
SHA256b1e963d702392fb7224786e7d56d43973e9b9efd1b89c17814d7c558ffc0cdec
SHA512bf8cda48cf1ec4e73f0dd1d4fa5562af1836120214edb74957430cd3e4a2783e801fa3f4ed2afb375257caeed4abe958265237d6e0aacf35a9ede7a2e8898d58
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C:\Users\Admin\AppData\Local\Google\Chrome\User Data\Default\Site Characteristics Database\000007.dbtmp
Filesize16B
MD518e723571b00fb1694a3bad6c78e4054
SHA1afcc0ef32d46fe59e0483f9a3c891d3034d12f32
SHA2568af72f43857550b01eab1019335772b367a17a9884a7a759fdf4fe6f272b90aa
SHA51243bb0af7d3984012d2d67ca6b71f0201e5b948e6fe26a899641c4c6f066c59906d468ddf7f1df5ea5fa33c2bc5ea8219c0f2c82e0a5c365ad7581b898a8859e2
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MD5
d41d8cd98f00b204e9800998ecf8427e
SHA1da39a3ee5e6b4b0d3255bfef95601890afd80709
SHA256e3b0c44298fc1c149afbf4c8996fb92427ae41e4649b934ca495991b7852b855
SHA512cf83e1357eefb8bdf1542850d66d8007d620e4050b5715dc83f4a921d36ce9ce47d0d13c5d85f2b0ff8318d2877eec2f63b931bd47417a81a538327af927da3e