Analysis
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max time kernel
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max time network
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platform
windows7_x64 -
resource
win7-20240903-en -
resource tags
arch:x64arch:x86image:win7-20240903-enlocale:en-usos:windows7-x64system -
submitted
21-11-2024 08:51
Static task
static1
Behavioral task
behavioral1
Sample
file.exe
Resource
win7-20240903-en
General
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Target
file.exe
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Size
4.2MB
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MD5
1a688ed7f5d7ce8f0155133ad0a2e60d
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SHA1
7a71b0ee7f99ca9e0b61b105ce9fd8478012c19b
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SHA256
bbba491abc5c69486fa59fb1e1b5ddc5d3942a107ac8e149795b55e66e3f0111
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SHA512
512961729a2aafa06d778b779ad46891b2247e14530919177aad184a1e3589d5b5993b1dadae16af69680942e64af0c2088ee1852a725a2b47151e94f62cc9e9
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SSDEEP
98304:f4wYhv9iDFo5Gub/Tz763K5azyPXp+KWQ0psRE:f4wE9Yu5pvz7n5azIABHsR
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/1836-15-0x0000000069CC0000-0x000000006A71B000-memory.dmp family_cryptbot_v3 -
Identifies VirtualBox via ACPI registry values (likely anti-VM) 2 TTPs 1 IoCs
Processes:
file.exedescription ioc process Key opened \REGISTRY\MACHINE\HARDWARE\ACPI\DSDT\VBOX__ file.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 1628 chrome.exe 2912 chrome.exe 2092 chrome.exe 1052 chrome.exe -
Checks BIOS information in registry 2 TTPs 2 IoCs
BIOS information is often read in order to detect sandboxing environments.
Processes:
file.exedescription ioc process Key value queried \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\SystemBiosVersion file.exe Key value queried \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\VideoBiosVersion file.exe -
Executes dropped EXE 2 IoCs
Processes:
service123.exeservice123.exepid process 2816 service123.exe 836 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:
file.exedescription ioc process Key opened \REGISTRY\USER\S-1-5-21-312935884-697965778-3955649944-1000\Software\Wine file.exe -
Loads dropped DLL 4 IoCs
Processes:
file.exeservice123.exeservice123.exepid process 1836 file.exe 1836 file.exe 2816 service123.exe 836 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:
file.exepid process 1836 file.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 2664 1836 WerFault.exe file.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:
file.exeschtasks.exedescription ioc process Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language file.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:
file.exedescription 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
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:
file.exechrome.exepid process 1836 file.exe 2912 chrome.exe 2912 chrome.exe -
Suspicious use of AdjustPrivilegeToken 4 IoCs
Processes:
chrome.exedescription pid process Token: SeShutdownPrivilege 2912 chrome.exe Token: SeShutdownPrivilege 2912 chrome.exe Token: SeShutdownPrivilege 2912 chrome.exe Token: SeShutdownPrivilege 2912 chrome.exe -
Suspicious use of FindShellTrayWindow 34 IoCs
Processes:
chrome.exepid process 2912 chrome.exe 2912 chrome.exe 2912 chrome.exe 2912 chrome.exe 2912 chrome.exe 2912 chrome.exe 2912 chrome.exe 2912 chrome.exe 2912 chrome.exe 2912 chrome.exe 2912 chrome.exe 2912 chrome.exe 2912 chrome.exe 2912 chrome.exe 2912 chrome.exe 2912 chrome.exe 2912 chrome.exe 2912 chrome.exe 2912 chrome.exe 2912 chrome.exe 2912 chrome.exe 2912 chrome.exe 2912 chrome.exe 2912 chrome.exe 2912 chrome.exe 2912 chrome.exe 2912 chrome.exe 2912 chrome.exe 2912 chrome.exe 2912 chrome.exe 2912 chrome.exe 2912 chrome.exe 2912 chrome.exe 2912 chrome.exe -
Suspicious use of WriteProcessMemory 64 IoCs
Processes:
file.exechrome.exedescription pid process target process PID 1836 wrote to memory of 2912 1836 file.exe chrome.exe PID 1836 wrote to memory of 2912 1836 file.exe chrome.exe PID 1836 wrote to memory of 2912 1836 file.exe chrome.exe PID 1836 wrote to memory of 2912 1836 file.exe chrome.exe PID 2912 wrote to memory of 1916 2912 chrome.exe chrome.exe PID 2912 wrote to memory of 1916 2912 chrome.exe chrome.exe PID 2912 wrote to memory of 1916 2912 chrome.exe chrome.exe PID 2912 wrote to memory of 2580 2912 chrome.exe ctfmon.exe PID 2912 wrote to memory of 2580 2912 chrome.exe ctfmon.exe PID 2912 wrote to memory of 2580 2912 chrome.exe ctfmon.exe PID 2912 wrote to memory of 1200 2912 chrome.exe chrome.exe PID 2912 wrote to memory of 1200 2912 chrome.exe chrome.exe PID 2912 wrote to memory of 1200 2912 chrome.exe chrome.exe PID 2912 wrote to memory of 1200 2912 chrome.exe chrome.exe PID 2912 wrote to memory of 1200 2912 chrome.exe chrome.exe PID 2912 wrote to memory of 1200 2912 chrome.exe chrome.exe PID 2912 wrote to memory of 1200 2912 chrome.exe chrome.exe PID 2912 wrote to memory of 1200 2912 chrome.exe chrome.exe PID 2912 wrote to memory of 1200 2912 chrome.exe chrome.exe PID 2912 wrote to memory of 1200 2912 chrome.exe chrome.exe PID 2912 wrote to memory of 1200 2912 chrome.exe chrome.exe PID 2912 wrote to memory of 1200 2912 chrome.exe chrome.exe PID 2912 wrote to memory of 1200 2912 chrome.exe chrome.exe PID 2912 wrote to memory of 1200 2912 chrome.exe chrome.exe PID 2912 wrote to memory of 1200 2912 chrome.exe chrome.exe PID 2912 wrote to memory of 1200 2912 chrome.exe chrome.exe PID 2912 wrote to memory of 1200 2912 chrome.exe chrome.exe PID 2912 wrote to memory of 1200 2912 chrome.exe chrome.exe PID 2912 wrote to memory of 1200 2912 chrome.exe chrome.exe PID 2912 wrote to memory of 1200 2912 chrome.exe chrome.exe PID 2912 wrote to memory of 1200 2912 chrome.exe chrome.exe PID 2912 wrote to memory of 1200 2912 chrome.exe chrome.exe PID 2912 wrote to memory of 1200 2912 chrome.exe chrome.exe PID 2912 wrote to memory of 1200 2912 chrome.exe chrome.exe PID 2912 wrote to memory of 1200 2912 chrome.exe chrome.exe PID 2912 wrote to memory of 1200 2912 chrome.exe chrome.exe PID 2912 wrote to memory of 1200 2912 chrome.exe chrome.exe PID 2912 wrote to memory of 1200 2912 chrome.exe chrome.exe PID 2912 wrote to memory of 1200 2912 chrome.exe chrome.exe PID 2912 wrote to memory of 1200 2912 chrome.exe chrome.exe PID 2912 wrote to memory of 1200 2912 chrome.exe chrome.exe PID 2912 wrote to memory of 1200 2912 chrome.exe chrome.exe PID 2912 wrote to memory of 1200 2912 chrome.exe chrome.exe PID 2912 wrote to memory of 1200 2912 chrome.exe chrome.exe PID 2912 wrote to memory of 1200 2912 chrome.exe chrome.exe PID 2912 wrote to memory of 1200 2912 chrome.exe chrome.exe PID 2912 wrote to memory of 1200 2912 chrome.exe chrome.exe PID 2912 wrote to memory of 1200 2912 chrome.exe chrome.exe PID 2912 wrote to memory of 1200 2912 chrome.exe chrome.exe PID 2912 wrote to memory of 2348 2912 chrome.exe chrome.exe PID 2912 wrote to memory of 2348 2912 chrome.exe chrome.exe PID 2912 wrote to memory of 2348 2912 chrome.exe chrome.exe PID 2912 wrote to memory of 2336 2912 chrome.exe chrome.exe PID 2912 wrote to memory of 2336 2912 chrome.exe chrome.exe PID 2912 wrote to memory of 2336 2912 chrome.exe chrome.exe PID 2912 wrote to memory of 2336 2912 chrome.exe chrome.exe PID 2912 wrote to memory of 2336 2912 chrome.exe chrome.exe PID 2912 wrote to memory of 2336 2912 chrome.exe chrome.exe PID 2912 wrote to memory of 2336 2912 chrome.exe chrome.exe PID 2912 wrote to memory of 2336 2912 chrome.exe chrome.exe PID 2912 wrote to memory of 2336 2912 chrome.exe chrome.exe PID 2912 wrote to memory of 2336 2912 chrome.exe chrome.exe PID 2912 wrote to memory of 2336 2912 chrome.exe chrome.exe PID 2912 wrote to memory of 2336 2912 chrome.exe chrome.exe
Processes
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C:\Users\Admin\AppData\Local\Temp\file.exe"C:\Users\Admin\AppData\Local\Temp\file.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:1836 -
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:2912 -
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,0x7fef6759758,0x7fef6759768,0x7fef67597783⤵PID:1916
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C:\Windows\system32\ctfmon.exectfmon.exe3⤵PID:2580
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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=1164 --field-trial-handle=1384,i,12892173857283127498,8087268384270859687,131072 /prefetch:23⤵PID:1200
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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=1516 --field-trial-handle=1384,i,12892173857283127498,8087268384270859687,131072 /prefetch:83⤵PID:2348
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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=1620 --field-trial-handle=1384,i,12892173857283127498,8087268384270859687,131072 /prefetch:83⤵PID:2336
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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=2316 --field-trial-handle=1384,i,12892173857283127498,8087268384270859687,131072 /prefetch:13⤵
- Uses browser remote debugging
PID:1052
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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=2328 --field-trial-handle=1384,i,12892173857283127498,8087268384270859687,131072 /prefetch:13⤵
- Uses browser remote debugging
PID:2092
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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=1488 --field-trial-handle=1384,i,12892173857283127498,8087268384270859687,131072 /prefetch:23⤵PID:1504
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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=2940 --field-trial-handle=1384,i,12892173857283127498,8087268384270859687,131072 /prefetch:13⤵
- Uses browser remote debugging
PID:1628
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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:2816
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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:2632
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C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -u -p 1836 -s 9522⤵
- Program crash
PID:2664
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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:1580
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C:\Windows\system32\taskeng.exetaskeng.exe {A0F79331-5DD2-4065-9D77-50AA703B6108} S-1-5-21-312935884-697965778-3955649944-1000:MXQFNXLT\Admin:Interactive:[1]1⤵PID:2176
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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:836
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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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Filesize
16B
MD518e723571b00fb1694a3bad6c78e4054
SHA1afcc0ef32d46fe59e0483f9a3c891d3034d12f32
SHA2568af72f43857550b01eab1019335772b367a17a9884a7a759fdf4fe6f272b90aa
SHA51243bb0af7d3984012d2d67ca6b71f0201e5b948e6fe26a899641c4c6f066c59906d468ddf7f1df5ea5fa33c2bc5ea8219c0f2c82e0a5c365ad7581b898a8859e2
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MD5
d41d8cd98f00b204e9800998ecf8427e
SHA1da39a3ee5e6b4b0d3255bfef95601890afd80709
SHA256e3b0c44298fc1c149afbf4c8996fb92427ae41e4649b934ca495991b7852b855
SHA512cf83e1357eefb8bdf1542850d66d8007d620e4050b5715dc83f4a921d36ce9ce47d0d13c5d85f2b0ff8318d2877eec2f63b931bd47417a81a538327af927da3e