Analysis
- max time kernel
149s - max time network
147s - platform
windows10-2004_x64 - resource
win10v2004-20241007-en - resource tags
arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-x64system - submitted
18/11/2024, 02:49
Static task
static1
Behavioral task
behavioral1
Sample
e315015d4858a0d26297859a30aaf1526d1c066acc6384937a3568c0571fa21b.exe
Resource
win7-20241023-en
General
- Target e315015d4858a0d26297859a30aaf1526d1c066acc6384937a3568c0571fa21b.exe
- Size 4.2MB
- Sample241118-dbbraa1pfr
- SHA256 e315015d4858a0d26297859a30aaf1526d1c066acc6384937a3568c0571fa21b
- MD5 ba8a76d8f6d92b38766df5cea014b76a
- SHA1 9da75fe4e75b7e2b3707e655f6e08f9f884267e5
- SHA512 61c739e26f0f9ae87ac670643249aebc15f0ac8bb3e9f9fde7fceca52dba147db1760aa381e2a70fd16f39479ca4c3d1b3065e7ae949cddbbe7667ca742a8be1
- SSDEEP 98304:uJfoz9MYZSWpViPAChkEwLICpLdyukr1BlqnuvXi/6plU:8foTN7iPsRTWr1BlqcXt
- MD5 SHA1 SHA512 SSDEEP
Malware Config
Signatures
- Cryptbot family
- Detects CryptBot payload 1 IoCs
CryptBot is a C++ stealer distributed widely in bundle with other software.
resource yara_rule behavioral2/memory/3388-19-0x0000000069CC0000-0x000000006A71B000-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__ e315015d4858a0d26297859a30aaf1526d1c066acc6384937a3568c0571fa21b.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 3672 chrome.exe 4252 chrome.exe 3556 chrome.exe 928 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 e315015d4858a0d26297859a30aaf1526d1c066acc6384937a3568c0571fa21b.exe Key value queried \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\VideoBiosVersion e315015d4858a0d26297859a30aaf1526d1c066acc6384937a3568c0571fa21b.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-1-5-21-4050598569-1597076380-177084960-1000\Control Panel\International\Geo\Nation e315015d4858a0d26297859a30aaf1526d1c066acc6384937a3568c0571fa21b.exe - Executes dropped EXE 1 IoCs
pid Process 2124 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-1-5-21-4050598569-1597076380-177084960-1000\Software\Wine e315015d4858a0d26297859a30aaf1526d1c066acc6384937a3568c0571fa21b.exe - Loads dropped DLL 1 IoCs
pid Process 2124 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.
- Suspicious use of NtSetInformationThreadHideFromDebugger 1 IoCs
pid Process 3388 e315015d4858a0d26297859a30aaf1526d1c066acc6384937a3568c0571fa21b.exe - Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s).
- Program crash 1 IoCs
pid pid_target Process procid_target 2520 3388 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 e315015d4858a0d26297859a30aaf1526d1c066acc6384937a3568c0571fa21b.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 value queried \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0\ProcessorNameString e315015d4858a0d26297859a30aaf1526d1c066acc6384937a3568c0571fa21b.exe Key opened \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0 e315015d4858a0d26297859a30aaf1526d1c066acc6384937a3568c0571fa21b.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 2016 schtasks.exe - Suspicious behavior: EnumeratesProcesses 4 IoCs
pid Process 3388 e315015d4858a0d26297859a30aaf1526d1c066acc6384937a3568c0571fa21b.exe 3388 e315015d4858a0d26297859a30aaf1526d1c066acc6384937a3568c0571fa21b.exe 3672 chrome.exe 3672 chrome.exe - Suspicious behavior: NtCreateUserProcessBlockNonMicrosoftBinary 3 IoCs
pid Process 3672 chrome.exe 3672 chrome.exe 3672 chrome.exe - Suspicious use of AdjustPrivilegeToken 4 IoCs
description pid Process Token: SeShutdownPrivilege 3672 chrome.exe Token: SeCreatePagefilePrivilege 3672 chrome.exe Token: SeShutdownPrivilege 3672 chrome.exe Token: SeCreatePagefilePrivilege 3672 chrome.exe - Suspicious use of FindShellTrayWindow 26 IoCs
pid Process 3672 chrome.exe 3672 chrome.exe 3672 chrome.exe 3672 chrome.exe 3672 chrome.exe 3672 chrome.exe 3672 chrome.exe 3672 chrome.exe 3672 chrome.exe 3672 chrome.exe 3672 chrome.exe 3672 chrome.exe 3672 chrome.exe 3672 chrome.exe 3672 chrome.exe 3672 chrome.exe 3672 chrome.exe 3672 chrome.exe 3672 chrome.exe 3672 chrome.exe 3672 chrome.exe 3672 chrome.exe 3672 chrome.exe 3672 chrome.exe 3672 chrome.exe 3672 chrome.exe - Suspicious use of WriteProcessMemory 64 IoCs
description pid Process procid_target PID 3388 wrote to memory of 3672 3388 e315015d4858a0d26297859a30aaf1526d1c066acc6384937a3568c0571fa21b.exe 95 PID 3388 wrote to memory of 3672 3388 e315015d4858a0d26297859a30aaf1526d1c066acc6384937a3568c0571fa21b.exe 95 PID 3672 wrote to memory of 2764 3672 chrome.exe 96 PID 3672 wrote to memory of 2764 3672 chrome.exe 96 PID 3672 wrote to memory of 216 3672 chrome.exe 97 PID 3672 wrote to memory of 216 3672 chrome.exe 97 PID 3672 wrote to memory of 216 3672 chrome.exe 97 PID 3672 wrote to memory of 216 3672 chrome.exe 97 PID 3672 wrote to memory of 216 3672 chrome.exe 97 PID 3672 wrote to memory of 216 3672 chrome.exe 97 PID 3672 wrote to memory of 216 3672 chrome.exe 97 PID 3672 wrote to memory of 216 3672 chrome.exe 97 PID 3672 wrote to memory of 216 3672 chrome.exe 97 PID 3672 wrote to memory of 216 3672 chrome.exe 97 PID 3672 wrote to memory of 216 3672 chrome.exe 97 PID 3672 wrote to memory of 216 3672 chrome.exe 97 PID 3672 wrote to memory of 216 3672 chrome.exe 97 PID 3672 wrote to memory of 216 3672 chrome.exe 97 PID 3672 wrote to memory of 216 3672 chrome.exe 97 PID 3672 wrote to memory of 216 3672 chrome.exe 97 PID 3672 wrote to memory of 216 3672 chrome.exe 97 PID 3672 wrote to memory of 216 3672 chrome.exe 97 PID 3672 wrote to memory of 216 3672 chrome.exe 97 PID 3672 wrote to memory of 216 3672 chrome.exe 97 PID 3672 wrote to memory of 216 3672 chrome.exe 97 PID 3672 wrote to memory of 216 3672 chrome.exe 97 PID 3672 wrote to memory of 216 3672 chrome.exe 97 PID 3672 wrote to memory of 216 3672 chrome.exe 97 PID 3672 wrote to memory of 216 3672 chrome.exe 97 PID 3672 wrote to memory of 216 3672 chrome.exe 97 PID 3672 wrote to memory of 216 3672 chrome.exe 97 PID 3672 wrote to memory of 216 3672 chrome.exe 97 PID 3672 wrote to memory of 216 3672 chrome.exe 97 PID 3672 wrote to memory of 216 3672 chrome.exe 97 PID 3672 wrote to memory of 5056 3672 chrome.exe 98 PID 3672 wrote to memory of 5056 3672 chrome.exe 98 PID 3672 wrote to memory of 4300 3672 chrome.exe 99 PID 3672 wrote to memory of 4300 3672 chrome.exe 99 PID 3672 wrote to memory of 4300 3672 chrome.exe 99 PID 3672 wrote to memory of 4300 3672 chrome.exe 99 PID 3672 wrote to memory of 4300 3672 chrome.exe 99 PID 3672 wrote to memory of 4300 3672 chrome.exe 99 PID 3672 wrote to memory of 4300 3672 chrome.exe 99 PID 3672 wrote to memory of 4300 3672 chrome.exe 99 PID 3672 wrote to memory of 4300 3672 chrome.exe 99 PID 3672 wrote to memory of 4300 3672 chrome.exe 99 PID 3672 wrote to memory of 4300 3672 chrome.exe 99 PID 3672 wrote to memory of 4300 3672 chrome.exe 99 PID 3672 wrote to memory of 4300 3672 chrome.exe 99 PID 3672 wrote to memory of 4300 3672 chrome.exe 99 PID 3672 wrote to memory of 4300 3672 chrome.exe 99 PID 3672 wrote to memory of 4300 3672 chrome.exe 99 PID 3672 wrote to memory of 4300 3672 chrome.exe 99 PID 3672 wrote to memory of 4300 3672 chrome.exe 99 PID 3672 wrote to memory of 4300 3672 chrome.exe 99 PID 3672 wrote to memory of 4300 3672 chrome.exe 99 PID 3672 wrote to memory of 4300 3672 chrome.exe 99 PID 3672 wrote to memory of 4300 3672 chrome.exe 99 PID 3672 wrote to memory of 4300 3672 chrome.exe 99 PID 3672 wrote to memory of 4300 3672 chrome.exe 99 PID 3672 wrote to memory of 4300 3672 chrome.exe 99 PID 3672 wrote to memory of 4300 3672 chrome.exe 99 PID 3672 wrote to memory of 4300 3672 chrome.exe 99 PID 3672 wrote to memory of 4300 3672 chrome.exe 99
Processes
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C:\Users\Admin\AppData\Local\Temp\e315015d4858a0d26297859a30aaf1526d1c066acc6384937a3568c0571fa21b.exe"C:\Users\Admin\AppData\Local\Temp\e315015d4858a0d26297859a30aaf1526d1c066acc6384937a3568c0571fa21b.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:3388 -
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:3672 -
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,0x100,0xd4,0x104,0x7ffeaf80cc40,0x7ffeaf80cc4c,0x7ffeaf80cc583⤵PID:2764
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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=1980,i,11572388970853069490,6781604459235180090,262144 --variations-seed-version=20241006-180150.222000 --mojo-platform-channel-handle=1976 /prefetch:23⤵PID:216
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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=1888,i,11572388970853069490,6781604459235180090,262144 --variations-seed-version=20241006-180150.222000 --mojo-platform-channel-handle=2104 /prefetch:33⤵PID:5056
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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=2276,i,11572388970853069490,6781604459235180090,262144 --variations-seed-version=20241006-180150.222000 --mojo-platform-channel-handle=2508 /prefetch:83⤵PID:4300
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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=3168,i,11572388970853069490,6781604459235180090,262144 --variations-seed-version=20241006-180150.222000 --mojo-platform-channel-handle=3184 /prefetch:13⤵
- Uses browser remote debugging
PID:3556
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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,11572388970853069490,6781604459235180090,262144 --variations-seed-version=20241006-180150.222000 --mojo-platform-channel-handle=3236 /prefetch:13⤵
- Uses browser remote debugging
PID:4252
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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=4504,i,11572388970853069490,6781604459235180090,262144 --variations-seed-version=20241006-180150.222000 --mojo-platform-channel-handle=3636 /prefetch:13⤵
- Uses browser remote debugging
PID:928
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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:2124
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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:2016
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C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -u -p 3388 -s 15242⤵
- Program crash
PID:2520
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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:1220
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C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -pss -s 408 -p 3388 -ip 33881⤵PID:4340
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