Analysis
-
max time kernel
148s -
max time network
137s -
platform
windows10-2004_x64 -
resource
win10v2004-20241007-en -
resource tags
arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-x64system -
submitted
24-11-2024 13:53
Static task
static1
Behavioral task
behavioral1
Sample
4.exe
Resource
win7-20240903-en
Behavioral task
behavioral2
Sample
4.exe
Resource
win10v2004-20241007-en
Behavioral task
behavioral3
Sample
Lumm.exe
Resource
win7-20240903-en
Behavioral task
behavioral4
Sample
Lumm.exe
Resource
win10v2004-20241007-en
General
-
Target
4.exe
-
Size
7.2MB
-
MD5
4cf7ec59209b42a0bc261c8cc4e70a48
-
SHA1
415ec9061883da4cadb5251519079dfe59e0924a
-
SHA256
2e5e8a0087e49de9ba8df196bc71e3ac0d6c2ca6095ac3ff91205bd9d8eaf678
-
SHA512
de28c9871740577f89902b6e65c3dd00889dfcfcb3ce83fad05070761d1dc9ce4fe85f92e8443f80cf4869956a4f558b60b509302d38b1bc53b5b3536936e7d8
-
SSDEEP
98304:pcuEoWQHAnRyKP6O2xxe5W42wWMlKL35:YRA0Z2OaMlW3
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/2080-0-0x0000000069CC0000-0x000000006A71B000-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 2412 chrome.exe 4708 chrome.exe 1992 chrome.exe 4940 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-1-5-21-2437139445-1151884604-3026847218-1000\Control Panel\International\Geo\Nation 4.exe -
Executes dropped EXE 2 IoCs
pid Process 3660 service123.exe 544 service123.exe -
Loads dropped DLL 2 IoCs
pid Process 3660 service123.exe 544 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.
-
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 724 2080 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 schtasks.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language 4.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 4.exe Key value queried \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0\ProcessorNameString 4.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 3032 schtasks.exe -
Suspicious behavior: EnumeratesProcesses 2 IoCs
pid Process 2412 chrome.exe 2412 chrome.exe -
Suspicious behavior: NtCreateUserProcessBlockNonMicrosoftBinary 3 IoCs
pid Process 2412 chrome.exe 2412 chrome.exe 2412 chrome.exe -
Suspicious use of AdjustPrivilegeToken 4 IoCs
description pid Process Token: SeShutdownPrivilege 2412 chrome.exe Token: SeCreatePagefilePrivilege 2412 chrome.exe Token: SeShutdownPrivilege 2412 chrome.exe Token: SeCreatePagefilePrivilege 2412 chrome.exe -
Suspicious use of FindShellTrayWindow 26 IoCs
pid Process 2412 chrome.exe 2412 chrome.exe 2412 chrome.exe 2412 chrome.exe 2412 chrome.exe 2412 chrome.exe 2412 chrome.exe 2412 chrome.exe 2412 chrome.exe 2412 chrome.exe 2412 chrome.exe 2412 chrome.exe 2412 chrome.exe 2412 chrome.exe 2412 chrome.exe 2412 chrome.exe 2412 chrome.exe 2412 chrome.exe 2412 chrome.exe 2412 chrome.exe 2412 chrome.exe 2412 chrome.exe 2412 chrome.exe 2412 chrome.exe 2412 chrome.exe 2412 chrome.exe -
Suspicious use of WriteProcessMemory 64 IoCs
description pid Process procid_target PID 2080 wrote to memory of 2412 2080 4.exe 97 PID 2080 wrote to memory of 2412 2080 4.exe 97 PID 2412 wrote to memory of 3788 2412 chrome.exe 98 PID 2412 wrote to memory of 3788 2412 chrome.exe 98 PID 2412 wrote to memory of 764 2412 chrome.exe 99 PID 2412 wrote to memory of 764 2412 chrome.exe 99 PID 2412 wrote to memory of 764 2412 chrome.exe 99 PID 2412 wrote to memory of 764 2412 chrome.exe 99 PID 2412 wrote to memory of 764 2412 chrome.exe 99 PID 2412 wrote to memory of 764 2412 chrome.exe 99 PID 2412 wrote to memory of 764 2412 chrome.exe 99 PID 2412 wrote to memory of 764 2412 chrome.exe 99 PID 2412 wrote to memory of 764 2412 chrome.exe 99 PID 2412 wrote to memory of 764 2412 chrome.exe 99 PID 2412 wrote to memory of 764 2412 chrome.exe 99 PID 2412 wrote to memory of 764 2412 chrome.exe 99 PID 2412 wrote to memory of 764 2412 chrome.exe 99 PID 2412 wrote to memory of 764 2412 chrome.exe 99 PID 2412 wrote to memory of 764 2412 chrome.exe 99 PID 2412 wrote to memory of 764 2412 chrome.exe 99 PID 2412 wrote to memory of 764 2412 chrome.exe 99 PID 2412 wrote to memory of 764 2412 chrome.exe 99 PID 2412 wrote to memory of 764 2412 chrome.exe 99 PID 2412 wrote to memory of 764 2412 chrome.exe 99 PID 2412 wrote to memory of 764 2412 chrome.exe 99 PID 2412 wrote to memory of 764 2412 chrome.exe 99 PID 2412 wrote to memory of 764 2412 chrome.exe 99 PID 2412 wrote to memory of 764 2412 chrome.exe 99 PID 2412 wrote to memory of 764 2412 chrome.exe 99 PID 2412 wrote to memory of 764 2412 chrome.exe 99 PID 2412 wrote to memory of 764 2412 chrome.exe 99 PID 2412 wrote to memory of 764 2412 chrome.exe 99 PID 2412 wrote to memory of 764 2412 chrome.exe 99 PID 2412 wrote to memory of 764 2412 chrome.exe 99 PID 2412 wrote to memory of 2972 2412 chrome.exe 100 PID 2412 wrote to memory of 2972 2412 chrome.exe 100 PID 2412 wrote to memory of 752 2412 chrome.exe 101 PID 2412 wrote to memory of 752 2412 chrome.exe 101 PID 2412 wrote to memory of 752 2412 chrome.exe 101 PID 2412 wrote to memory of 752 2412 chrome.exe 101 PID 2412 wrote to memory of 752 2412 chrome.exe 101 PID 2412 wrote to memory of 752 2412 chrome.exe 101 PID 2412 wrote to memory of 752 2412 chrome.exe 101 PID 2412 wrote to memory of 752 2412 chrome.exe 101 PID 2412 wrote to memory of 752 2412 chrome.exe 101 PID 2412 wrote to memory of 752 2412 chrome.exe 101 PID 2412 wrote to memory of 752 2412 chrome.exe 101 PID 2412 wrote to memory of 752 2412 chrome.exe 101 PID 2412 wrote to memory of 752 2412 chrome.exe 101 PID 2412 wrote to memory of 752 2412 chrome.exe 101 PID 2412 wrote to memory of 752 2412 chrome.exe 101 PID 2412 wrote to memory of 752 2412 chrome.exe 101 PID 2412 wrote to memory of 752 2412 chrome.exe 101 PID 2412 wrote to memory of 752 2412 chrome.exe 101 PID 2412 wrote to memory of 752 2412 chrome.exe 101 PID 2412 wrote to memory of 752 2412 chrome.exe 101 PID 2412 wrote to memory of 752 2412 chrome.exe 101 PID 2412 wrote to memory of 752 2412 chrome.exe 101 PID 2412 wrote to memory of 752 2412 chrome.exe 101 PID 2412 wrote to memory of 752 2412 chrome.exe 101 PID 2412 wrote to memory of 752 2412 chrome.exe 101 PID 2412 wrote to memory of 752 2412 chrome.exe 101 PID 2412 wrote to memory of 752 2412 chrome.exe 101 PID 2412 wrote to memory of 752 2412 chrome.exe 101
Processes
-
C:\Users\Admin\AppData\Local\Temp\4.exe"C:\Users\Admin\AppData\Local\Temp\4.exe"1⤵
- Checks computer location settings
- System Location Discovery: System Language Discovery
- Checks processor information in registry
- Suspicious use of WriteProcessMemory
PID:2080 -
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:2412 -
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,0x100,0xd4,0x104,0x7ffbc400cc40,0x7ffbc400cc4c,0x7ffbc400cc583⤵PID:3788
-
-
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=1916,i,16093660301314168479,6474599468651391658,262144 --variations-seed-version=20241006-180150.222000 --mojo-platform-channel-handle=1904 /prefetch:23⤵PID:764
-
-
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=2132,i,16093660301314168479,6474599468651391658,262144 --variations-seed-version=20241006-180150.222000 --mojo-platform-channel-handle=2164 /prefetch:33⤵PID:2972
-
-
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,16093660301314168479,6474599468651391658,262144 --variations-seed-version=20241006-180150.222000 --mojo-platform-channel-handle=2200 /prefetch:83⤵PID:752
-
-
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=3204,i,16093660301314168479,6474599468651391658,262144 --variations-seed-version=20241006-180150.222000 --mojo-platform-channel-handle=3216 /prefetch:13⤵
- Uses browser remote debugging
PID:1992
-
-
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=3220,i,16093660301314168479,6474599468651391658,262144 --variations-seed-version=20241006-180150.222000 --mojo-platform-channel-handle=3272 /prefetch:13⤵
- Uses browser remote debugging
PID:4708
-
-
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=4492,i,16093660301314168479,6474599468651391658,262144 --variations-seed-version=20241006-180150.222000 --mojo-platform-channel-handle=4528 /prefetch:13⤵
- Uses browser remote debugging
PID:4940
-
-
-
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:3660
-
-
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:3032
-
-
C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -u -p 2080 -s 11082⤵
- Program crash
PID:724
-
-
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:2404
-
C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -pss -s 416 -p 2080 -ip 20801⤵PID:4384
-
C:\Users\Admin\AppData\Local\Temp\service123.exeC:\Users\Admin\AppData\Local\Temp\/service123.exe1⤵
- Executes dropped EXE
- Loads dropped DLL
PID:544
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
-
Filesize
2B
MD5d751713988987e9331980363e24189ce
SHA197d170e1550eee4afc0af065b78cda302a97674c
SHA2564f53cda18c2baa0c0354bb5f9a3ecbe5ed12ab4d8e11ba873c2f11161202b945
SHA512b25b294cb4deb69ea00a4c3cf3113904801b6015e5956bd019a8570b1fe1d6040e944ef3cdee16d0a46503ca6e659a25f21cf9ceddc13f352a3c98138c15d6af