cryptbot | 4648e37901ccb1b4cc76c67a6d13d13d4233233bc8ef0f167f411821e682ba01

credential_access stealer

Virtualization/Sandbox Evasion

T1497

description	ioc	Process
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Services\VBoxSF	start-this-996.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.

Steal Web Session Cookie

T1539

Modify Authentication Process

pid	Process
416	chrome.exe
3540	chrome.exe
2256	chrome.exe
1612	chrome.exe

Executes dropped EXE 3 IoCs

pid	Process
3084	service123.exe
3960	service123.exe
5088	service123.exe

Loads dropped DLL 3 IoCs

pid	Process
3084	service123.exe
3960	service123.exe
5088	service123.exe

Reads user/profile data of web browsers 3 TTPs
Infostealers often target stored browser data, which can include saved credentials etc.
spyware stealer

Data from Local System
T1005

Credentials In Files
T1552.001

Credentials from Web Browsers
T1555.003
Checks installed software on the system 1 TTPs
Looks up Uninstall key entries in the registry to enumerate software on the system.
discovery

Query Registry
T1012

Drops file in Windows directory 1 IoCs

description	ioc	Process
File opened for modification	C:\Windows\SystemTemp	chrome.exe

Browser Information Discovery 1 TTPs
Enumerate browser information.
discovery

Browser Information Discovery
T1217
Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s).

System Information Discovery
T1082

Program crash 1 IoCs

pid	pid_target	Process	procid_target
1360	3132	WerFault.exe	77

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.

discovery

System Language Discovery

T1614.001

description	ioc	Process
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	start-this-996.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.

Query Registry

System Information Discovery

T1082

description	ioc	Process
Key opened	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0	start-this-996.exe
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0\ProcessorNameString	start-this-996.exe

Enumerates system info in registry 2 TTPs 3 IoCs

Query Registry

System Information Discovery

T1082

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.

persistence execution

Scheduled Task

pid	Process
4276	schtasks.exe

Suspicious behavior: EnumeratesProcesses 10 IoCs

pid	Process
3132	start-this-996.exe
3132	start-this-996.exe
3132	start-this-996.exe
3132	start-this-996.exe
3132	start-this-996.exe
3132	start-this-996.exe
3132	start-this-996.exe
3132	start-this-996.exe
3540	chrome.exe
3540	chrome.exe

Suspicious behavior: NtCreateUserProcessBlockNonMicrosoftBinary 3 IoCs

pid	Process
3540	chrome.exe
3540	chrome.exe
3540	chrome.exe

Suspicious use of AdjustPrivilegeToken 4 IoCs

description	pid	Process
Token: SeShutdownPrivilege	3540	chrome.exe
Token: SeCreatePagefilePrivilege	3540	chrome.exe
Token: SeShutdownPrivilege	3540	chrome.exe
Token: SeCreatePagefilePrivilege	3540	chrome.exe

Suspicious use of FindShellTrayWindow 26 IoCs

pid	Process
3540	chrome.exe
3540	chrome.exe
3540	chrome.exe
3540	chrome.exe
3540	chrome.exe
3540	chrome.exe
3540	chrome.exe
3540	chrome.exe
3540	chrome.exe
3540	chrome.exe
3540	chrome.exe
3540	chrome.exe
3540	chrome.exe
3540	chrome.exe
3540	chrome.exe
3540	chrome.exe
3540	chrome.exe
3540	chrome.exe
3540	chrome.exe
3540	chrome.exe
3540	chrome.exe
3540	chrome.exe
3540	chrome.exe
3540	chrome.exe
3540	chrome.exe
3540	chrome.exe

Suspicious use of WriteProcessMemory 64 IoCs

description	pid	Process	procid_target
PID 3132 wrote to memory of 3540	3132	start-this-996.exe	78
PID 3132 wrote to memory of 3540	3132	start-this-996.exe	78
PID 3540 wrote to memory of 2548	3540	chrome.exe	79
PID 3540 wrote to memory of 2548	3540	chrome.exe	79
PID 3540 wrote to memory of 2380	3540	chrome.exe	80
PID 3540 wrote to memory of 2380	3540	chrome.exe	80
PID 3540 wrote to memory of 2380	3540	chrome.exe	80
PID 3540 wrote to memory of 2380	3540	chrome.exe	80
PID 3540 wrote to memory of 2380	3540	chrome.exe	80
PID 3540 wrote to memory of 2380	3540	chrome.exe	80
PID 3540 wrote to memory of 2380	3540	chrome.exe	80
PID 3540 wrote to memory of 2380	3540	chrome.exe	80
PID 3540 wrote to memory of 2380	3540	chrome.exe	80
PID 3540 wrote to memory of 2380	3540	chrome.exe	80
PID 3540 wrote to memory of 2380	3540	chrome.exe	80
PID 3540 wrote to memory of 2380	3540	chrome.exe	80
PID 3540 wrote to memory of 2380	3540	chrome.exe	80
PID 3540 wrote to memory of 2380	3540	chrome.exe	80
PID 3540 wrote to memory of 2380	3540	chrome.exe	80
PID 3540 wrote to memory of 2380	3540	chrome.exe	80
PID 3540 wrote to memory of 2380	3540	chrome.exe	80
PID 3540 wrote to memory of 2380	3540	chrome.exe	80
PID 3540 wrote to memory of 2380	3540	chrome.exe	80
PID 3540 wrote to memory of 2380	3540	chrome.exe	80
PID 3540 wrote to memory of 2380	3540	chrome.exe	80
PID 3540 wrote to memory of 2380	3540	chrome.exe	80
PID 3540 wrote to memory of 2380	3540	chrome.exe	80
PID 3540 wrote to memory of 2380	3540	chrome.exe	80
PID 3540 wrote to memory of 2380	3540	chrome.exe	80
PID 3540 wrote to memory of 2380	3540	chrome.exe	80
PID 3540 wrote to memory of 2380	3540	chrome.exe	80
PID 3540 wrote to memory of 2380	3540	chrome.exe	80
PID 3540 wrote to memory of 2380	3540	chrome.exe	80
PID 3540 wrote to memory of 2380	3540	chrome.exe	80
PID 3540 wrote to memory of 1008	3540	chrome.exe	81
PID 3540 wrote to memory of 1008	3540	chrome.exe	81
PID 3540 wrote to memory of 4088	3540	chrome.exe	82
PID 3540 wrote to memory of 4088	3540	chrome.exe	82
PID 3540 wrote to memory of 4088	3540	chrome.exe	82
PID 3540 wrote to memory of 4088	3540	chrome.exe	82
PID 3540 wrote to memory of 4088	3540	chrome.exe	82
PID 3540 wrote to memory of 4088	3540	chrome.exe	82
PID 3540 wrote to memory of 4088	3540	chrome.exe	82
PID 3540 wrote to memory of 4088	3540	chrome.exe	82
PID 3540 wrote to memory of 4088	3540	chrome.exe	82
PID 3540 wrote to memory of 4088	3540	chrome.exe	82
PID 3540 wrote to memory of 4088	3540	chrome.exe	82
PID 3540 wrote to memory of 4088	3540	chrome.exe	82
PID 3540 wrote to memory of 4088	3540	chrome.exe	82
PID 3540 wrote to memory of 4088	3540	chrome.exe	82
PID 3540 wrote to memory of 4088	3540	chrome.exe	82
PID 3540 wrote to memory of 4088	3540	chrome.exe	82
PID 3540 wrote to memory of 4088	3540	chrome.exe	82
PID 3540 wrote to memory of 4088	3540	chrome.exe	82
PID 3540 wrote to memory of 4088	3540	chrome.exe	82
PID 3540 wrote to memory of 4088	3540	chrome.exe	82
PID 3540 wrote to memory of 4088	3540	chrome.exe	82
PID 3540 wrote to memory of 4088	3540	chrome.exe	82
PID 3540 wrote to memory of 4088	3540	chrome.exe	82
PID 3540 wrote to memory of 4088	3540	chrome.exe	82
PID 3540 wrote to memory of 4088	3540	chrome.exe	82
PID 3540 wrote to memory of 4088	3540	chrome.exe	82
PID 3540 wrote to memory of 4088	3540	chrome.exe	82
PID 3540 wrote to memory of 4088	3540	chrome.exe	82

C:\Users\Admin\AppData\Local\Temp\start-this-996.exe
"C:\Users\Admin\AppData\Local\Temp\start-this-996.exe"
1⤵
- Enumerates VirtualBox registry keys
- System Location Discovery: System Language Discovery
- Checks processor information in registry
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of WriteProcessMemory
PID:3132
- 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
  - Drops file in Windows directory
  - Enumerates system info in registry
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious behavior: NtCreateUserProcessBlockNonMicrosoftBinary
  - Suspicious use of AdjustPrivilegeToken
  - Suspicious use of FindShellTrayWindow
  - Suspicious use of WriteProcessMemory
  PID:3540
- - 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=0xfc,0x100,0x104,0xd8,0x108,0x7ff9fc75cc40,0x7ff9fc75cc4c,0x7ff9fc75cc58
    3⤵
    PID:2548
- - 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=1848,i,16483380533962363357,13608955783285160581,262144 --variations-seed-version=20241006-180150.222000 --mojo-platform-channel-handle=1840 /prefetch:2
    3⤵
    PID:2380
- - 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=1944,i,16483380533962363357,13608955783285160581,262144 --variations-seed-version=20241006-180150.222000 --mojo-platform-channel-handle=2128 /prefetch:3
    3⤵
    PID:1008
- - 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=2212,i,16483380533962363357,13608955783285160581,262144 --variations-seed-version=20241006-180150.222000 --mojo-platform-channel-handle=2396 /prefetch:8
    3⤵
    PID:4088
- - 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,16483380533962363357,13608955783285160581,262144 --variations-seed-version=20241006-180150.222000 --mojo-platform-channel-handle=3184 /prefetch:1
    3⤵
    - Uses browser remote debugging
    PID:2256
- - 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=3192,i,16483380533962363357,13608955783285160581,262144 --variations-seed-version=20241006-180150.222000 --mojo-platform-channel-handle=3224 /prefetch:1
    3⤵
    - Uses browser remote debugging
    PID:1612
- - 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=4584,i,16483380533962363357,13608955783285160581,262144 --variations-seed-version=20241006-180150.222000 --mojo-platform-channel-handle=4612 /prefetch:1
    3⤵
    - Uses browser remote debugging
    PID:416
- - C:\Program Files\Google\Chrome\Application\chrome.exe
    "C:\Program Files\Google\Chrome\Application\chrome.exe" --type=utility --utility-sub-type=data_decoder.mojom.DataDecoderService --lang=en-US --service-sandbox-type=service --no-appcompat-clear --field-trial-handle=4272,i,16483380533962363357,13608955783285160581,262144 --variations-seed-version=20241006-180150.222000 --mojo-platform-channel-handle=4776 /prefetch:8
    3⤵
    PID:2332
- - C:\Program Files\Google\Chrome\Application\chrome.exe
    "C:\Program Files\Google\Chrome\Application\chrome.exe" --type=utility --utility-sub-type=data_decoder.mojom.DataDecoderService --lang=en-US --service-sandbox-type=service --no-appcompat-clear --field-trial-handle=4592,i,16483380533962363357,13608955783285160581,262144 --variations-seed-version=20241006-180150.222000 --mojo-platform-channel-handle=4744 /prefetch:8
    3⤵
    PID:3856
- 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:3084
- 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 /f
  2⤵
  - System Location Discovery: System Language Discovery
  - Scheduled Task/Job: Scheduled Task
  PID:4276
- C:\Windows\SysWOW64\WerFault.exe
  C:\Windows\SysWOW64\WerFault.exe -u -p 3132 -s 1164
  2⤵
  - Program crash
  PID:1360

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:1996

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 408 -p 3132 -ip 3132
1⤵
PID:2724

C:\Users\Admin\AppData\Local\Temp\service123.exe
C:\Users\Admin\AppData\Local\Temp\/service123.exe
1⤵
- Executes dropped EXE
- Loads dropped DLL
PID:3960

C:\Users\Admin\AppData\Local\Temp\service123.exe
C:\Users\Admin\AppData\Local\Temp\/service123.exe
1⤵
- Executes dropped EXE
- Loads dropped DLL
PID:5088

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Scheduled Task/Job

T1053

Scheduled Task

Persistence

Modify Authentication Process

Scheduled Task/Job

T1053

Scheduled Task

Privilege Escalation

Scheduled Task/Job

T1053

Scheduled Task

Defense Evasion

Modify Authentication Process

Virtualization/Sandbox Evasion

T1497

Credential Access

Credentials from Password Stores

T1555

Credentials from Web Browsers

T1555.003

Modify Authentication Process

Steal Web Session Cookie

T1539

Unsecured Credentials

T1552

Credentials In Files

T1552.001

Discovery

Browser Information Discovery

T1217

Query Registry