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Analysis
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max time kernel
149s -
max time network
152s -
platform
windows10-2004_x64 -
resource
win10v2004-20241007-en -
resource tags
arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-x64system -
submitted
27/11/2024, 02:26
Static task
static1
Behavioral task
behavioral1
Sample
49961a2d21872034f17208c7367930061eed9d68a33f1859553808e3afdc3fb5.exe
Resource
win7-20240903-en
General
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Target
49961a2d21872034f17208c7367930061eed9d68a33f1859553808e3afdc3fb5.exe
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Size
4.2MB
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MD5
0681851640b935b4a9425e967cac0370
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SHA1
7331dc9b49c56fbd7d2e750d5b181515257619a0
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SHA256
49961a2d21872034f17208c7367930061eed9d68a33f1859553808e3afdc3fb5
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SHA512
0ab754dc8dcf2b07bb89d1cb033a9ea0c931396c11f454bc8e77b211cb90b4623df6558e02a01969947126f006639afaba90f98c17a97f1f39638b7c605ffdfc
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SSDEEP
49152:f0t+5/gh4+GwMHaEzNS0blkfs96ZcYyYQigfRYSSXmieL9vDwehHmhE+2DPfrxge:f/Yt6z/9oTL0RpSXmhLuTELf9gpykq
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.
resource yara_rule behavioral2/memory/4616-6-0x0000000069CC0000-0x000000006A71B000-memory.dmp family_cryptbot_v3 -
Identifies VirtualBox via ACPI registry values (likely anti-VM) 2 TTPs 1 IoCs
description ioc Process Key opened \REGISTRY\MACHINE\HARDWARE\ACPI\DSDT\VBOX__ 49961a2d21872034f17208c7367930061eed9d68a33f1859553808e3afdc3fb5.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.
pid Process 2880 chrome.exe 3412 chrome.exe 2444 chrome.exe 3656 chrome.exe -
Checks BIOS information in registry 2 TTPs 2 IoCs
BIOS information is often read in order to detect sandboxing environments.
description ioc Process Key value queried \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\SystemBiosVersion 49961a2d21872034f17208c7367930061eed9d68a33f1859553808e3afdc3fb5.exe Key value queried \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\VideoBiosVersion 49961a2d21872034f17208c7367930061eed9d68a33f1859553808e3afdc3fb5.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-1-5-21-2045521122-590294423-3465680274-1000\Control Panel\International\Geo\Nation 49961a2d21872034f17208c7367930061eed9d68a33f1859553808e3afdc3fb5.exe -
Executes dropped EXE 3 IoCs
pid Process 2556 service123.exe 1620 service123.exe 2624 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.
description ioc Process Key opened \REGISTRY\USER\S-1-5-21-2045521122-590294423-3465680274-1000\Software\Wine 49961a2d21872034f17208c7367930061eed9d68a33f1859553808e3afdc3fb5.exe -
Loads dropped DLL 3 IoCs
pid Process 2556 service123.exe 1620 service123.exe 2624 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
pid Process 4616 49961a2d21872034f17208c7367930061eed9d68a33f1859553808e3afdc3fb5.exe -
Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s).
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Program crash 1 IoCs
pid pid_target Process procid_target 2208 4616 WerFault.exe 82 -
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 49961a2d21872034f17208c7367930061eed9d68a33f1859553808e3afdc3fb5.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 49961a2d21872034f17208c7367930061eed9d68a33f1859553808e3afdc3fb5.exe Key value queried \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0\ProcessorNameString 49961a2d21872034f17208c7367930061eed9d68a33f1859553808e3afdc3fb5.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 4492 schtasks.exe -
Suspicious behavior: EnumeratesProcesses 4 IoCs
pid Process 4616 49961a2d21872034f17208c7367930061eed9d68a33f1859553808e3afdc3fb5.exe 4616 49961a2d21872034f17208c7367930061eed9d68a33f1859553808e3afdc3fb5.exe 2880 chrome.exe 2880 chrome.exe -
Suspicious behavior: NtCreateUserProcessBlockNonMicrosoftBinary 3 IoCs
pid Process 2880 chrome.exe 2880 chrome.exe 2880 chrome.exe -
Suspicious use of AdjustPrivilegeToken 4 IoCs
description pid Process Token: SeShutdownPrivilege 2880 chrome.exe Token: SeCreatePagefilePrivilege 2880 chrome.exe Token: SeShutdownPrivilege 2880 chrome.exe Token: SeCreatePagefilePrivilege 2880 chrome.exe -
Suspicious use of FindShellTrayWindow 26 IoCs
pid Process 2880 chrome.exe 2880 chrome.exe 2880 chrome.exe 2880 chrome.exe 2880 chrome.exe 2880 chrome.exe 2880 chrome.exe 2880 chrome.exe 2880 chrome.exe 2880 chrome.exe 2880 chrome.exe 2880 chrome.exe 2880 chrome.exe 2880 chrome.exe 2880 chrome.exe 2880 chrome.exe 2880 chrome.exe 2880 chrome.exe 2880 chrome.exe 2880 chrome.exe 2880 chrome.exe 2880 chrome.exe 2880 chrome.exe 2880 chrome.exe 2880 chrome.exe 2880 chrome.exe -
Suspicious use of WriteProcessMemory 64 IoCs
description pid Process procid_target PID 4616 wrote to memory of 2880 4616 49961a2d21872034f17208c7367930061eed9d68a33f1859553808e3afdc3fb5.exe 96 PID 4616 wrote to memory of 2880 4616 49961a2d21872034f17208c7367930061eed9d68a33f1859553808e3afdc3fb5.exe 96 PID 2880 wrote to memory of 1704 2880 chrome.exe 97 PID 2880 wrote to memory of 1704 2880 chrome.exe 97 PID 2880 wrote to memory of 4100 2880 chrome.exe 98 PID 2880 wrote to memory of 4100 2880 chrome.exe 98 PID 2880 wrote to memory of 4100 2880 chrome.exe 98 PID 2880 wrote to memory of 4100 2880 chrome.exe 98 PID 2880 wrote to memory of 4100 2880 chrome.exe 98 PID 2880 wrote to memory of 4100 2880 chrome.exe 98 PID 2880 wrote to memory of 4100 2880 chrome.exe 98 PID 2880 wrote to memory of 4100 2880 chrome.exe 98 PID 2880 wrote to memory of 4100 2880 chrome.exe 98 PID 2880 wrote to memory of 4100 2880 chrome.exe 98 PID 2880 wrote to memory of 4100 2880 chrome.exe 98 PID 2880 wrote to memory of 4100 2880 chrome.exe 98 PID 2880 wrote to memory of 4100 2880 chrome.exe 98 PID 2880 wrote to memory of 4100 2880 chrome.exe 98 PID 2880 wrote to memory of 4100 2880 chrome.exe 98 PID 2880 wrote to memory of 4100 2880 chrome.exe 98 PID 2880 wrote to memory of 4100 2880 chrome.exe 98 PID 2880 wrote to memory of 4100 2880 chrome.exe 98 PID 2880 wrote to memory of 4100 2880 chrome.exe 98 PID 2880 wrote to memory of 4100 2880 chrome.exe 98 PID 2880 wrote to memory of 4100 2880 chrome.exe 98 PID 2880 wrote to memory of 4100 2880 chrome.exe 98 PID 2880 wrote to memory of 4100 2880 chrome.exe 98 PID 2880 wrote to memory of 4100 2880 chrome.exe 98 PID 2880 wrote to memory of 4100 2880 chrome.exe 98 PID 2880 wrote to memory of 4100 2880 chrome.exe 98 PID 2880 wrote to memory of 4100 2880 chrome.exe 98 PID 2880 wrote to memory of 4100 2880 chrome.exe 98 PID 2880 wrote to memory of 4100 2880 chrome.exe 98 PID 2880 wrote to memory of 4100 2880 chrome.exe 98 PID 2880 wrote to memory of 3436 2880 chrome.exe 99 PID 2880 wrote to memory of 3436 2880 chrome.exe 99 PID 2880 wrote to memory of 2688 2880 chrome.exe 100 PID 2880 wrote to memory of 2688 2880 chrome.exe 100 PID 2880 wrote to memory of 2688 2880 chrome.exe 100 PID 2880 wrote to memory of 2688 2880 chrome.exe 100 PID 2880 wrote to memory of 2688 2880 chrome.exe 100 PID 2880 wrote to memory of 2688 2880 chrome.exe 100 PID 2880 wrote to memory of 2688 2880 chrome.exe 100 PID 2880 wrote to memory of 2688 2880 chrome.exe 100 PID 2880 wrote to memory of 2688 2880 chrome.exe 100 PID 2880 wrote to memory of 2688 2880 chrome.exe 100 PID 2880 wrote to memory of 2688 2880 chrome.exe 100 PID 2880 wrote to memory of 2688 2880 chrome.exe 100 PID 2880 wrote to memory of 2688 2880 chrome.exe 100 PID 2880 wrote to memory of 2688 2880 chrome.exe 100 PID 2880 wrote to memory of 2688 2880 chrome.exe 100 PID 2880 wrote to memory of 2688 2880 chrome.exe 100 PID 2880 wrote to memory of 2688 2880 chrome.exe 100 PID 2880 wrote to memory of 2688 2880 chrome.exe 100 PID 2880 wrote to memory of 2688 2880 chrome.exe 100 PID 2880 wrote to memory of 2688 2880 chrome.exe 100 PID 2880 wrote to memory of 2688 2880 chrome.exe 100 PID 2880 wrote to memory of 2688 2880 chrome.exe 100 PID 2880 wrote to memory of 2688 2880 chrome.exe 100 PID 2880 wrote to memory of 2688 2880 chrome.exe 100 PID 2880 wrote to memory of 2688 2880 chrome.exe 100 PID 2880 wrote to memory of 2688 2880 chrome.exe 100 PID 2880 wrote to memory of 2688 2880 chrome.exe 100 PID 2880 wrote to memory of 2688 2880 chrome.exe 100
Processes
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C:\Users\Admin\AppData\Local\Temp\49961a2d21872034f17208c7367930061eed9d68a33f1859553808e3afdc3fb5.exe"C:\Users\Admin\AppData\Local\Temp\49961a2d21872034f17208c7367930061eed9d68a33f1859553808e3afdc3fb5.exe"1⤵
- Identifies VirtualBox via ACPI registry values (likely anti-VM)
- Checks BIOS information in registry
- Checks computer location settings
- Identifies Wine through registry keys
- Suspicious use of NtSetInformationThreadHideFromDebugger
- System Location Discovery: System Language Discovery
- Checks processor information in registry
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of WriteProcessMemory
PID:4616 -
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:2880 -
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,0x100,0xd4,0x104,0x7ffbbd78cc40,0x7ffbbd78cc4c,0x7ffbbd78cc583⤵PID:1704
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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=1996,i,7147451317905587603,10244062457279250772,262144 --variations-seed-version=20241006-180150.222000 --mojo-platform-channel-handle=1992 /prefetch:23⤵PID:4100
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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=1860,i,7147451317905587603,10244062457279250772,262144 --variations-seed-version=20241006-180150.222000 --mojo-platform-channel-handle=2028 /prefetch:33⤵PID:3436
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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=2272,i,7147451317905587603,10244062457279250772,262144 --variations-seed-version=20241006-180150.222000 --mojo-platform-channel-handle=2284 /prefetch:83⤵PID:2688
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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=3196,i,7147451317905587603,10244062457279250772,262144 --variations-seed-version=20241006-180150.222000 --mojo-platform-channel-handle=3204 /prefetch:13⤵
- Uses browser remote debugging
PID:2444
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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=3224,i,7147451317905587603,10244062457279250772,262144 --variations-seed-version=20241006-180150.222000 --mojo-platform-channel-handle=3236 /prefetch:13⤵
- Uses browser remote debugging
PID:3412
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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=4272,i,7147451317905587603,10244062457279250772,262144 --variations-seed-version=20241006-180150.222000 --mojo-platform-channel-handle=3228 /prefetch:13⤵
- Uses browser remote debugging
PID:3656
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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:2556
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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:4492
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C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -u -p 4616 -s 12962⤵
- Program crash
PID:2208
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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:5036
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C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -pss -s 408 -p 4616 -ip 46161⤵PID:2908
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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:1620
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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:2624
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
2B
MD5d751713988987e9331980363e24189ce
SHA197d170e1550eee4afc0af065b78cda302a97674c
SHA2564f53cda18c2baa0c0354bb5f9a3ecbe5ed12ab4d8e11ba873c2f11161202b945
SHA512b25b294cb4deb69ea00a4c3cf3113904801b6015e5956bd019a8570b1fe1d6040e944ef3cdee16d0a46503ca6e659a25f21cf9ceddc13f352a3c98138c15d6af