cryptbot | b51c39f9a5b2176d0e3a06036460db52d19a94cb4827cf523c00a2e567fd586e

System Information Discovery

Processes:

b51c39f9a5b2176d0e3a06036460db52d19a94cb4827cf523c00a2e567fd586e.exe

description	ioc	process
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\SystemBiosVersion	b51c39f9a5b2176d0e3a06036460db52d19a94cb4827cf523c00a2e567fd586e.exe
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\VideoBiosVersion	b51c39f9a5b2176d0e3a06036460db52d19a94cb4827cf523c00a2e567fd586e.exe

Executes dropped EXE 2 IoCs

Processes:

service123.exeservice123.exe

pid process

2492 service123.exe
908 service123.exe

pid	process
2492	service123.exe
908	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.

evasion

Query Registry

Virtualization/Sandbox Evasion

T1497

Processes:

b51c39f9a5b2176d0e3a06036460db52d19a94cb4827cf523c00a2e567fd586e.exe

description	ioc	process
Key opened	\REGISTRY\USER\S-1-5-21-3692679935-4019334568-335155002-1000\Software\Wine	b51c39f9a5b2176d0e3a06036460db52d19a94cb4827cf523c00a2e567fd586e.exe

Loads dropped DLL 4 IoCs

Processes:

b51c39f9a5b2176d0e3a06036460db52d19a94cb4827cf523c00a2e567fd586e.exeservice123.exeservice123.exe

pid	process
2476	b51c39f9a5b2176d0e3a06036460db52d19a94cb4827cf523c00a2e567fd586e.exe
2476	b51c39f9a5b2176d0e3a06036460db52d19a94cb4827cf523c00a2e567fd586e.exe
2492	service123.exe
908	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
Suspicious use of NtSetInformationThreadHideFromDebugger 1 IoCs

Processes:

b51c39f9a5b2176d0e3a06036460db52d19a94cb4827cf523c00a2e567fd586e.exe

pid process

2476 b51c39f9a5b2176d0e3a06036460db52d19a94cb4827cf523c00a2e567fd586e.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

Processes:

WerFault.exe

pid pid_target process target process

3036 2476 WerFault.exe b51c39f9a5b2176d0e3a06036460db52d19a94cb4827cf523c00a2e567fd586e.exe

pid	pid_target	process	target process
3036	2476	WerFault.exe	b51c39f9a5b2176d0e3a06036460db52d19a94cb4827cf523c00a2e567fd586e.exe

System Location Discovery: System Language Discovery 1 TTPs 2 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

Processes:

b51c39f9a5b2176d0e3a06036460db52d19a94cb4827cf523c00a2e567fd586e.exeschtasks.exe

description	ioc	process
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	b51c39f9a5b2176d0e3a06036460db52d19a94cb4827cf523c00a2e567fd586e.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

Processes:

b51c39f9a5b2176d0e3a06036460db52d19a94cb4827cf523c00a2e567fd586e.exe

description	ioc	process
Key opened	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0	b51c39f9a5b2176d0e3a06036460db52d19a94cb4827cf523c00a2e567fd586e.exe
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0\ProcessorNameString	b51c39f9a5b2176d0e3a06036460db52d19a94cb4827cf523c00a2e567fd586e.exe

Enumerates system info in registry 2 TTPs 3 IoCs

Query Registry

System Information Discovery

Processes:

chrome.exe

description	ioc	process
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\BIOS\SystemProductName	chrome.exe
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\BIOS\SystemManufacturer	chrome.exe
Key opened	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\BIOS	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
T1053.005

Processes:

schtasks.exe

pid process

1548 schtasks.exe
Suspicious behavior: EnumeratesProcesses 3 IoCs

Processes:

b51c39f9a5b2176d0e3a06036460db52d19a94cb4827cf523c00a2e567fd586e.exechrome.exe

pid process

2476 b51c39f9a5b2176d0e3a06036460db52d19a94cb4827cf523c00a2e567fd586e.exe
2776 chrome.exe
2776 chrome.exe

pid	process
1548	schtasks.exe

Suspicious use of AdjustPrivilegeToken 4 IoCs

Processes:

chrome.exe

description	pid	process
Token: SeShutdownPrivilege	2776	chrome.exe
Token: SeShutdownPrivilege	2776	chrome.exe
Token: SeShutdownPrivilege	2776	chrome.exe
Token: SeShutdownPrivilege	2776	chrome.exe

Suspicious use of FindShellTrayWindow 34 IoCs

Processes:

chrome.exe

pid	process
2776	chrome.exe
2776	chrome.exe
2776	chrome.exe
2776	chrome.exe
2776	chrome.exe
2776	chrome.exe
2776	chrome.exe
2776	chrome.exe
2776	chrome.exe
2776	chrome.exe
2776	chrome.exe
2776	chrome.exe
2776	chrome.exe
2776	chrome.exe
2776	chrome.exe
2776	chrome.exe
2776	chrome.exe
2776	chrome.exe
2776	chrome.exe
2776	chrome.exe
2776	chrome.exe
2776	chrome.exe
2776	chrome.exe
2776	chrome.exe
2776	chrome.exe
2776	chrome.exe
2776	chrome.exe
2776	chrome.exe
2776	chrome.exe
2776	chrome.exe
2776	chrome.exe
2776	chrome.exe
2776	chrome.exe
2776	chrome.exe

Suspicious use of WriteProcessMemory 64 IoCs

Processes:

b51c39f9a5b2176d0e3a06036460db52d19a94cb4827cf523c00a2e567fd586e.exechrome.exe

description	pid	process	target process
PID 2476 wrote to memory of 2776	2476	b51c39f9a5b2176d0e3a06036460db52d19a94cb4827cf523c00a2e567fd586e.exe	chrome.exe
PID 2476 wrote to memory of 2776	2476	b51c39f9a5b2176d0e3a06036460db52d19a94cb4827cf523c00a2e567fd586e.exe	chrome.exe
PID 2476 wrote to memory of 2776	2476	b51c39f9a5b2176d0e3a06036460db52d19a94cb4827cf523c00a2e567fd586e.exe	chrome.exe
PID 2476 wrote to memory of 2776	2476	b51c39f9a5b2176d0e3a06036460db52d19a94cb4827cf523c00a2e567fd586e.exe	chrome.exe
PID 2776 wrote to memory of 2560	2776	chrome.exe	chrome.exe
PID 2776 wrote to memory of 2560	2776	chrome.exe	chrome.exe
PID 2776 wrote to memory of 2560	2776	chrome.exe	chrome.exe
PID 2776 wrote to memory of 2548	2776	chrome.exe	ctfmon.exe
PID 2776 wrote to memory of 2548	2776	chrome.exe	ctfmon.exe
PID 2776 wrote to memory of 2548	2776	chrome.exe	ctfmon.exe
PID 2776 wrote to memory of 1248	2776	chrome.exe	chrome.exe
PID 2776 wrote to memory of 1248	2776	chrome.exe	chrome.exe
PID 2776 wrote to memory of 1248	2776	chrome.exe	chrome.exe
PID 2776 wrote to memory of 1248	2776	chrome.exe	chrome.exe
PID 2776 wrote to memory of 1248	2776	chrome.exe	chrome.exe
PID 2776 wrote to memory of 1248	2776	chrome.exe	chrome.exe
PID 2776 wrote to memory of 1248	2776	chrome.exe	chrome.exe
PID 2776 wrote to memory of 1248	2776	chrome.exe	chrome.exe
PID 2776 wrote to memory of 1248	2776	chrome.exe	chrome.exe
PID 2776 wrote to memory of 1248	2776	chrome.exe	chrome.exe
PID 2776 wrote to memory of 1248	2776	chrome.exe	chrome.exe
PID 2776 wrote to memory of 1248	2776	chrome.exe	chrome.exe
PID 2776 wrote to memory of 1248	2776	chrome.exe	chrome.exe
PID 2776 wrote to memory of 1248	2776	chrome.exe	chrome.exe
PID 2776 wrote to memory of 1248	2776	chrome.exe	chrome.exe
PID 2776 wrote to memory of 1248	2776	chrome.exe	chrome.exe
PID 2776 wrote to memory of 1248	2776	chrome.exe	chrome.exe
PID 2776 wrote to memory of 1248	2776	chrome.exe	chrome.exe
PID 2776 wrote to memory of 1248	2776	chrome.exe	chrome.exe
PID 2776 wrote to memory of 1248	2776	chrome.exe	chrome.exe
PID 2776 wrote to memory of 1248	2776	chrome.exe	chrome.exe
PID 2776 wrote to memory of 1248	2776	chrome.exe	chrome.exe
PID 2776 wrote to memory of 1248	2776	chrome.exe	chrome.exe
PID 2776 wrote to memory of 1248	2776	chrome.exe	chrome.exe
PID 2776 wrote to memory of 1248	2776	chrome.exe	chrome.exe
PID 2776 wrote to memory of 1248	2776	chrome.exe	chrome.exe
PID 2776 wrote to memory of 1248	2776	chrome.exe	chrome.exe
PID 2776 wrote to memory of 1248	2776	chrome.exe	chrome.exe
PID 2776 wrote to memory of 1248	2776	chrome.exe	chrome.exe
PID 2776 wrote to memory of 1248	2776	chrome.exe	chrome.exe
PID 2776 wrote to memory of 1248	2776	chrome.exe	chrome.exe
PID 2776 wrote to memory of 1248	2776	chrome.exe	chrome.exe
PID 2776 wrote to memory of 1248	2776	chrome.exe	chrome.exe
PID 2776 wrote to memory of 1248	2776	chrome.exe	chrome.exe
PID 2776 wrote to memory of 1248	2776	chrome.exe	chrome.exe
PID 2776 wrote to memory of 1248	2776	chrome.exe	chrome.exe
PID 2776 wrote to memory of 1248	2776	chrome.exe	chrome.exe
PID 2776 wrote to memory of 1248	2776	chrome.exe	chrome.exe
PID 2776 wrote to memory of 1248	2776	chrome.exe	chrome.exe
PID 2776 wrote to memory of 2792	2776	chrome.exe	chrome.exe
PID 2776 wrote to memory of 2792	2776	chrome.exe	chrome.exe
PID 2776 wrote to memory of 2792	2776	chrome.exe	chrome.exe
PID 2776 wrote to memory of 1520	2776	chrome.exe	chrome.exe
PID 2776 wrote to memory of 1520	2776	chrome.exe	chrome.exe
PID 2776 wrote to memory of 1520	2776	chrome.exe	chrome.exe
PID 2776 wrote to memory of 1520	2776	chrome.exe	chrome.exe
PID 2776 wrote to memory of 1520	2776	chrome.exe	chrome.exe
PID 2776 wrote to memory of 1520	2776	chrome.exe	chrome.exe
PID 2776 wrote to memory of 1520	2776	chrome.exe	chrome.exe
PID 2776 wrote to memory of 1520	2776	chrome.exe	chrome.exe
PID 2776 wrote to memory of 1520	2776	chrome.exe	chrome.exe
PID 2776 wrote to memory of 1520	2776	chrome.exe	chrome.exe
PID 2776 wrote to memory of 1520	2776	chrome.exe	chrome.exe
PID 2776 wrote to memory of 1520	2776	chrome.exe	chrome.exe

C:\Users\Admin\AppData\Local\Temp\b51c39f9a5b2176d0e3a06036460db52d19a94cb4827cf523c00a2e567fd586e.exe
"C:\Users\Admin\AppData\Local\Temp\b51c39f9a5b2176d0e3a06036460db52d19a94cb4827cf523c00a2e567fd586e.exe"
1⤵
- Identifies VirtualBox via ACPI registry values (likely anti-VM)
- Checks BIOS information in registry
- Identifies Wine through registry keys
- Loads dropped DLL
- Suspicious use of NtSetInformationThreadHideFromDebugger
- System Location Discovery: System Language Discovery
- Checks processor information in registry
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of WriteProcessMemory
PID:2476
- 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 use of AdjustPrivilegeToken
  - Suspicious use of FindShellTrayWindow
  - Suspicious use of WriteProcessMemory
  PID:2776
- - 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:7 --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=106.0.5249.119 --initial-client-data=0xc0,0xc4,0xc8,0x94,0xcc,0x7fefb129758,0x7fefb129768,0x7fefb129778
    3⤵
    PID:2560
- - C:\Windows\system32\ctfmon.exe
    ctfmon.exe
    3⤵
    PID:2548
- - C:\Program Files\Google\Chrome\Application\chrome.exe
    "C:\Program Files\Google\Chrome\Application\chrome.exe" --type=gpu-process --gpu-preferences=UAAAAAAAAADgAAAYAAAAAAAAAAAAAAAAAABgAAAAAAAwAAAAAAAAAAAAAAAQAAAAAAAAAAAAAAAAAAAAAAAAAEgAAAAAAAAASAAAAAAAAAAYAAAAAgAAABAAAAAAAAAAGAAAAAAAAAAQAAAAAAAAAAAAAAAOAAAAEAAAAAAAAAABAAAADgAAAAgAAAAAAAAACAAAAAAAAAA= --mojo-platform-channel-handle=1148 --field-trial-handle=1364,i,12223652272841096589,10217370391228358665,131072 /prefetch:2
    3⤵
    PID:1248
- - 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 --mojo-platform-channel-handle=1488 --field-trial-handle=1364,i,12223652272841096589,10217370391228358665,131072 /prefetch:8
    3⤵
    PID:2792
- - 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=utility --mojo-platform-channel-handle=1560 --field-trial-handle=1364,i,12223652272841096589,10217370391228358665,131072 /prefetch:8
    3⤵
    PID:1520
- - C:\Program Files\Google\Chrome\Application\chrome.exe
    "C:\Program Files\Google\Chrome\Application\chrome.exe" --type=renderer --display-capture-permissions-policy-allowed --first-renderer-process --remote-debugging-port=9222 --lang=en-US --device-scale-factor=1 --num-raster-threads=4 --enable-main-frame-before-activation --renderer-client-id=6 --mojo-platform-channel-handle=2152 --field-trial-handle=1364,i,12223652272841096589,10217370391228358665,131072 /prefetch:1
    3⤵
    - Uses browser remote debugging
    PID:944
- - C:\Program Files\Google\Chrome\Application\chrome.exe
    "C:\Program Files\Google\Chrome\Application\chrome.exe" --type=renderer --display-capture-permissions-policy-allowed --remote-debugging-port=9222 --lang=en-US --device-scale-factor=1 --num-raster-threads=4 --enable-main-frame-before-activation --renderer-client-id=5 --mojo-platform-channel-handle=2160 --field-trial-handle=1364,i,12223652272841096589,10217370391228358665,131072 /prefetch:1
    3⤵
    - Uses browser remote debugging
    PID:3068
- - C:\Program Files\Google\Chrome\Application\chrome.exe
    "C:\Program Files\Google\Chrome\Application\chrome.exe" --type=gpu-process --gpu-preferences=UAAAAAAAAADgAAAYAAAAAAAAAAAAAAAAAABgAAAAAAAwAAAAAAAAAAAAAAAQAAAAAAAAAAAAAAAAAAAAAAAAAEgAAAAAAAAASAAAAAAAAAAYAAAAAgAAABAAAAAAAAAAGAAAAAAAAAAQAAAAAAAAAAAAAAAOAAAAEAAAAAAAAAABAAAADgAAAAgAAAAAAAAACAAAAAAAAAA= --use-gl=angle --use-angle=swiftshader-webgl --mojo-platform-channel-handle=1644 --field-trial-handle=1364,i,12223652272841096589,10217370391228358665,131072 /prefetch:2
    3⤵
    PID:1516
- C:\Users\Admin\AppData\Local\Temp\service123.exe
  "C:\Users\Admin\AppData\Local\Temp\service123.exe"
  2⤵
  - Executes dropped EXE
  - Loads dropped DLL
  PID:2492
- 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:1548
- C:\Windows\SysWOW64\WerFault.exe
  C:\Windows\SysWOW64\WerFault.exe -u -p 2476 -s 948
  2⤵
  - Program crash
  PID:3036

C:\Program Files\Google\Chrome\Application\106.0.5249.119\elevation_service.exe
"C:\Program Files\Google\Chrome\Application\106.0.5249.119\elevation_service.exe"
1⤵
PID:2276

C:\Windows\system32\taskeng.exe
taskeng.exe {FFA4A02B-1BC4-4D61-820D-0B0E250EAF24} S-1-5-21-3692679935-4019334568-335155002-1000:BCXRJFKE\Admin:Interactive:[1]
1⤵
PID:3060
- C:\Users\Admin\AppData\Local\Temp\service123.exe
  C:\Users\Admin\AppData\Local\Temp\/service123.exe
  2⤵
  - Executes dropped EXE
  - Loads dropped DLL
  PID:908

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Scheduled Task/Job

T1053

Scheduled Task

T1053.005

Persistence

Modify Authentication Process

T1556

Scheduled Task/Job

T1053

Scheduled Task

T1053.005

Privilege Escalation

Scheduled Task/Job

T1053

Scheduled Task

T1053.005

Defense Evasion

Modify Authentication Process

T1556

Virtualization/Sandbox Evasion

2

T1497

Credential Access

Credentials from Password Stores

T1555

Credentials from Web Browsers

T1555.003

Modify Authentication Process

T1556

Steal Web Session Cookie

T1539

Unsecured Credentials

T1552

Credentials In Files

T1552.001

Discovery

Browser Information Discovery

Query Registry

System Information Discovery

4

System Location Discovery

T1614

System Language Discovery

T1614.001

Virtualization/Sandbox Evasion

2

T1497

Lateral Movement

Collection

Data from Local System