cryptbot | 9b985f2af040a18f231b1c4851365e8f10a5ef394f455306fdc8f395b374f01e

General

Target
file.exe
Size 6.3MB
Sample240918-phr8dszfma
SHA256 9b985f2af040a18f231b1c4851365e8f10a5ef394f455306fdc8f395b374f01e
MD5 117cd56896073eaa680d408fe7fb51c8
SHA1 a9db5e8f4e79d5e099a1e2a6d894d6d6d9283d03
SHA512 c9854c250b669078f5095ed6093568db33f2b93e0eaa96e8e7bf97dee4e48374943b68cbfb7dd513c520b4ebf980b390eb7fc372bb59f69bc08f19ed7614f8a4
SSDEEP 49152:KfuaMm44Xnz/IYkmjVcIhGWczrYfRX9Iu14k85M7xgc6jbb36ST9llys58JLNQuC:WzRkmELkpX9RFXEb36Y9l9201LcDS
MD5 SHA1 SHA512 SSDEEP

Score

10^/10

Family

C2

Attributes

CryptBot
CryptBot is a C++ stealer distributed widely in bundle with other software.
spyware stealer cryptbot
Credentials from Password Stores: Credentials from Web Browsers 1 TTPs
Malicious Access or copy of Web Browser Credential store.
credential_access stealer

Credentials from Web Browsers
T1555.003

Executes dropped EXE 3 IoCs

Loads dropped DLL 5 IoCs

Reads user/profile data of web browsers 2 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
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
Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s).

System Information Discovery
T1082

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.

System Language Discovery

description	ioc	Process
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	file.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

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

Scheduled Task/Job: Scheduled Task 1 TTPs 1 IoCs

Schtasks is often used by malware for persistence or to perform post-infection execution.

Scheduled Task

pid	Process
2736	schtasks.exe

Suspicious use of WriteProcessMemory 16 IoCs

description	pid	Process	procid_target
PID 1732 wrote to memory of 2896	1732	file.exe	31
PID 1732 wrote to memory of 2896	1732	file.exe	31
PID 1732 wrote to memory of 2896	1732	file.exe	31
PID 1732 wrote to memory of 2896	1732	file.exe	31
PID 1732 wrote to memory of 2736	1732	file.exe	32
PID 1732 wrote to memory of 2736	1732	file.exe	32
PID 1732 wrote to memory of 2736	1732	file.exe	32
PID 1732 wrote to memory of 2736	1732	file.exe	32
PID 2632 wrote to memory of 2296	2632	taskeng.exe	35
PID 2632 wrote to memory of 2296	2632	taskeng.exe	35
PID 2632 wrote to memory of 2296	2632	taskeng.exe	35
PID 2632 wrote to memory of 2296	2632	taskeng.exe	35
PID 2632 wrote to memory of 1220	2632	taskeng.exe	36
PID 2632 wrote to memory of 1220	2632	taskeng.exe	36
PID 2632 wrote to memory of 1220	2632	taskeng.exe	36
PID 2632 wrote to memory of 1220	2632	taskeng.exe	36

C:\Windows\system32\taskeng.exe
taskeng.exe {D68036DD-3BCD-4449-A13C-1446107D2365} S-1-5-21-3533259084-2542256011-65585152-1000:XPAJOTIY\Admin:Interactive:[1]
1⤵
- Suspicious use of WriteProcessMemory
PID:2632
- C:\Users\Admin\AppData\Local\Temp\service123.exe
  C:\Users\Admin\AppData\Local\Temp\/service123.exe
  2⤵
  - Executes dropped EXE
  - Loads dropped DLL
  PID:2296
- C:\Users\Admin\AppData\Local\Temp\service123.exe
  C:\Users\Admin\AppData\Local\Temp\/service123.exe
  2⤵
  - Executes dropped EXE
  - Loads dropped DLL
  PID:1220