cryptbot | ffd998746e12ce104bfc905c9e37dd671b866717db084a7c0b4d1d6d8607ae52

General

Target
1.exe
Size 6.4MB
Sample240921-1c4j1svdrd
SHA256 ffd998746e12ce104bfc905c9e37dd671b866717db084a7c0b4d1d6d8607ae52
MD5 b3c3b4845dd169c8bb97618de84330fc
SHA1 dbefee586896d7d55f2d3ac7604cfce81ccd3241
SHA512 71bce3581509f05c399008c1c6ad9043979e00cc887d2d95d08dd9be1ccda1157010e40125c30bb2eb8534fb0715b4e41d067d9f876701429061934ae727e3e8
SSDEEP 98304:h7qZFjqYNpHzDx9pSHX07zOaIMVGkR81g30NRaM3:IZ4YbvRSHXi81GbM3
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	1.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 value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0\ProcessorNameString	1.exe
Key opened	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0	1.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
2252	schtasks.exe

Suspicious use of WriteProcessMemory 16 IoCs

description	pid	Process	procid_target
PID 2020 wrote to memory of 2824	2020	1.exe	30
PID 2020 wrote to memory of 2824	2020	1.exe	30
PID 2020 wrote to memory of 2824	2020	1.exe	30
PID 2020 wrote to memory of 2824	2020	1.exe	30
PID 2020 wrote to memory of 2252	2020	1.exe	31
PID 2020 wrote to memory of 2252	2020	1.exe	31
PID 2020 wrote to memory of 2252	2020	1.exe	31
PID 2020 wrote to memory of 2252	2020	1.exe	31
PID 2572 wrote to memory of 2568	2572	taskeng.exe	34
PID 2572 wrote to memory of 2568	2572	taskeng.exe	34
PID 2572 wrote to memory of 2568	2572	taskeng.exe	34
PID 2572 wrote to memory of 2568	2572	taskeng.exe	34
PID 2572 wrote to memory of 324	2572	taskeng.exe	35
PID 2572 wrote to memory of 324	2572	taskeng.exe	35
PID 2572 wrote to memory of 324	2572	taskeng.exe	35
PID 2572 wrote to memory of 324	2572	taskeng.exe	35

C:\Windows\system32\taskeng.exe
taskeng.exe {9C62AA4E-0C3C-4238-99F4-BB1CB153A55D} S-1-5-21-3551809350-4263495960-1443967649-1000:NNYJZAHP\Admin:Interactive:[1]
1⤵
- Suspicious use of WriteProcessMemory
PID:2572
- C:\Users\Admin\AppData\Local\Temp\service123.exe
  C:\Users\Admin\AppData\Local\Temp\/service123.exe
  2⤵
  - Executes dropped EXE
  - Loads dropped DLL
  PID:2568
- C:\Users\Admin\AppData\Local\Temp\service123.exe
  C:\Users\Admin\AppData\Local\Temp\/service123.exe
  2⤵
  - Executes dropped EXE
  - Loads dropped DLL
  PID:324