Analysis
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max time kernel
150s -
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
18-12-2024 10:43
Behavioral task
behavioral1
Sample
Set-up-1.exe
Resource
win7-20240708-en
Behavioral task
behavioral2
Sample
Set-up-1.exe
Resource
win10v2004-20241007-en
General
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Target
Set-up-1.exe
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Size
12.2MB
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MD5
b7f95a6fba7ee898425a69ffd2b6c204
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SHA1
d995e2ed97947778c489f6384ba3af0f4343c0bc
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SHA256
8b6a0a8d8594fb4f465a8220533a8cbf25fb725220dfc35056c7787b27d89643
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SHA512
3b9d35e20161767dabea7bda5ed7db3f63ce738e0934965695dedf1f7487fc092c0e2fe3cf35b9656f521c2ab9e30596cda49d38c7ace360ff2b2b0e52930b59
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SSDEEP
196608:1MRd/45eJp2M0lVasW4PEaYjxR3eYr4+hn:tf7CxwAn
Malware Config
Extracted
cryptbot
Signatures
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Cryptbot family
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Detects CryptBot payload 6 IoCs
CryptBot is a C++ stealer distributed widely in bundle with other software.
resource yara_rule behavioral2/memory/1124-0-0x0000000000BB0000-0x00000000017ED000-memory.dmp family_cryptbot_v3 behavioral2/memory/1124-3-0x0000000000BB0000-0x00000000017ED000-memory.dmp family_cryptbot_v3 behavioral2/memory/1124-30-0x0000000000BB0000-0x00000000017ED000-memory.dmp family_cryptbot_v3 behavioral2/memory/1124-44-0x0000000000BB0000-0x00000000017ED000-memory.dmp family_cryptbot_v3 behavioral2/memory/1124-47-0x0000000000BB0000-0x00000000017ED000-memory.dmp family_cryptbot_v3 behavioral2/memory/1124-59-0x0000000000BB0000-0x00000000017ED000-memory.dmp family_cryptbot_v3 -
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 3336 chrome.exe 396 chrome.exe 3520 chrome.exe 2592 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-1-5-21-2878641211-696417878-3864914810-1000\Control Panel\International\Geo\Nation Set-up-1.exe -
Executes dropped EXE 1 IoCs
pid Process 2356 service123.exe -
Loads dropped DLL 1 IoCs
pid Process 2356 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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Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s).
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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 schtasks.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language Set-up-1.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language service123.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 Set-up-1.exe Key value queried \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0\ProcessorNameString Set-up-1.exe -
Enumerates system info in registry 2 TTPs 3 IoCs
description ioc Process Key value queried \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\BIOS\SystemManufacturer chrome.exe Key opened \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\BIOS chrome.exe Key value queried \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\BIOS\SystemProductName 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 4764 schtasks.exe -
Suspicious behavior: EnumeratesProcesses 2 IoCs
pid Process 3336 chrome.exe 3336 chrome.exe -
Suspicious behavior: NtCreateUserProcessBlockNonMicrosoftBinary 3 IoCs
pid Process 3336 chrome.exe 3336 chrome.exe 3336 chrome.exe -
Suspicious use of AdjustPrivilegeToken 4 IoCs
description pid Process Token: SeShutdownPrivilege 3336 chrome.exe Token: SeCreatePagefilePrivilege 3336 chrome.exe Token: SeShutdownPrivilege 3336 chrome.exe Token: SeCreatePagefilePrivilege 3336 chrome.exe -
Suspicious use of FindShellTrayWindow 26 IoCs
pid Process 3336 chrome.exe 3336 chrome.exe 3336 chrome.exe 3336 chrome.exe 3336 chrome.exe 3336 chrome.exe 3336 chrome.exe 3336 chrome.exe 3336 chrome.exe 3336 chrome.exe 3336 chrome.exe 3336 chrome.exe 3336 chrome.exe 3336 chrome.exe 3336 chrome.exe 3336 chrome.exe 3336 chrome.exe 3336 chrome.exe 3336 chrome.exe 3336 chrome.exe 3336 chrome.exe 3336 chrome.exe 3336 chrome.exe 3336 chrome.exe 3336 chrome.exe 3336 chrome.exe -
Suspicious use of WriteProcessMemory 64 IoCs
description pid Process procid_target PID 1124 wrote to memory of 3336 1124 Set-up-1.exe 100 PID 1124 wrote to memory of 3336 1124 Set-up-1.exe 100 PID 3336 wrote to memory of 4512 3336 chrome.exe 101 PID 3336 wrote to memory of 4512 3336 chrome.exe 101 PID 3336 wrote to memory of 3564 3336 chrome.exe 102 PID 3336 wrote to memory of 3564 3336 chrome.exe 102 PID 3336 wrote to memory of 3564 3336 chrome.exe 102 PID 3336 wrote to memory of 3564 3336 chrome.exe 102 PID 3336 wrote to memory of 3564 3336 chrome.exe 102 PID 3336 wrote to memory of 3564 3336 chrome.exe 102 PID 3336 wrote to memory of 3564 3336 chrome.exe 102 PID 3336 wrote to memory of 3564 3336 chrome.exe 102 PID 3336 wrote to memory of 3564 3336 chrome.exe 102 PID 3336 wrote to memory of 3564 3336 chrome.exe 102 PID 3336 wrote to memory of 3564 3336 chrome.exe 102 PID 3336 wrote to memory of 3564 3336 chrome.exe 102 PID 3336 wrote to memory of 3564 3336 chrome.exe 102 PID 3336 wrote to memory of 3564 3336 chrome.exe 102 PID 3336 wrote to memory of 3564 3336 chrome.exe 102 PID 3336 wrote to memory of 3564 3336 chrome.exe 102 PID 3336 wrote to memory of 3564 3336 chrome.exe 102 PID 3336 wrote to memory of 3564 3336 chrome.exe 102 PID 3336 wrote to memory of 3564 3336 chrome.exe 102 PID 3336 wrote to memory of 3564 3336 chrome.exe 102 PID 3336 wrote to memory of 3564 3336 chrome.exe 102 PID 3336 wrote to memory of 3564 3336 chrome.exe 102 PID 3336 wrote to memory of 3564 3336 chrome.exe 102 PID 3336 wrote to memory of 3564 3336 chrome.exe 102 PID 3336 wrote to memory of 3564 3336 chrome.exe 102 PID 3336 wrote to memory of 3564 3336 chrome.exe 102 PID 3336 wrote to memory of 3564 3336 chrome.exe 102 PID 3336 wrote to memory of 3564 3336 chrome.exe 102 PID 3336 wrote to memory of 3564 3336 chrome.exe 102 PID 3336 wrote to memory of 3564 3336 chrome.exe 102 PID 3336 wrote to memory of 1436 3336 chrome.exe 103 PID 3336 wrote to memory of 1436 3336 chrome.exe 103 PID 3336 wrote to memory of 1004 3336 chrome.exe 104 PID 3336 wrote to memory of 1004 3336 chrome.exe 104 PID 3336 wrote to memory of 1004 3336 chrome.exe 104 PID 3336 wrote to memory of 1004 3336 chrome.exe 104 PID 3336 wrote to memory of 1004 3336 chrome.exe 104 PID 3336 wrote to memory of 1004 3336 chrome.exe 104 PID 3336 wrote to memory of 1004 3336 chrome.exe 104 PID 3336 wrote to memory of 1004 3336 chrome.exe 104 PID 3336 wrote to memory of 1004 3336 chrome.exe 104 PID 3336 wrote to memory of 1004 3336 chrome.exe 104 PID 3336 wrote to memory of 1004 3336 chrome.exe 104 PID 3336 wrote to memory of 1004 3336 chrome.exe 104 PID 3336 wrote to memory of 1004 3336 chrome.exe 104 PID 3336 wrote to memory of 1004 3336 chrome.exe 104 PID 3336 wrote to memory of 1004 3336 chrome.exe 104 PID 3336 wrote to memory of 1004 3336 chrome.exe 104 PID 3336 wrote to memory of 1004 3336 chrome.exe 104 PID 3336 wrote to memory of 1004 3336 chrome.exe 104 PID 3336 wrote to memory of 1004 3336 chrome.exe 104 PID 3336 wrote to memory of 1004 3336 chrome.exe 104 PID 3336 wrote to memory of 1004 3336 chrome.exe 104 PID 3336 wrote to memory of 1004 3336 chrome.exe 104 PID 3336 wrote to memory of 1004 3336 chrome.exe 104 PID 3336 wrote to memory of 1004 3336 chrome.exe 104 PID 3336 wrote to memory of 1004 3336 chrome.exe 104 PID 3336 wrote to memory of 1004 3336 chrome.exe 104 PID 3336 wrote to memory of 1004 3336 chrome.exe 104 PID 3336 wrote to memory of 1004 3336 chrome.exe 104
Processes
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C:\Users\Admin\AppData\Local\Temp\Set-up-1.exe"C:\Users\Admin\AppData\Local\Temp\Set-up-1.exe"1⤵
- Checks computer location settings
- System Location Discovery: System Language Discovery
- Checks processor information in registry
- Suspicious use of WriteProcessMemory
PID:1124 -
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:3336 -
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,0x100,0xd4,0x104,0x7ffac1f1cc40,0x7ffac1f1cc4c,0x7ffac1f1cc583⤵PID:4512
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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=1896,i,11497905172162691975,15910408800113874882,262144 --variations-seed-version=20241006-180150.222000 --mojo-platform-channel-handle=1888 /prefetch:23⤵PID:3564
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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=2136,i,11497905172162691975,15910408800113874882,262144 --variations-seed-version=20241006-180150.222000 --mojo-platform-channel-handle=2168 /prefetch:33⤵PID:1436
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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=2232,i,11497905172162691975,15910408800113874882,262144 --variations-seed-version=20241006-180150.222000 --mojo-platform-channel-handle=2452 /prefetch:83⤵PID:1004
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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=3164,i,11497905172162691975,15910408800113874882,262144 --variations-seed-version=20241006-180150.222000 --mojo-platform-channel-handle=3176 /prefetch:13⤵
- Uses browser remote debugging
PID:3520
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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=3196,i,11497905172162691975,15910408800113874882,262144 --variations-seed-version=20241006-180150.222000 --mojo-platform-channel-handle=3216 /prefetch:13⤵
- Uses browser remote debugging
PID:396
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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=3624,i,11497905172162691975,15910408800113874882,262144 --variations-seed-version=20241006-180150.222000 --mojo-platform-channel-handle=4540 /prefetch:13⤵
- Uses browser remote debugging
PID:2592
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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:2356
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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:4764
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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:3192
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