cryptbot | 0c263065c579b7529d918bf2fb6a9db5d60eeedd4f1c7e74819948e304133c6c

General

Target
8874ee4d9c878a6dc7f2681ec36df05cb09c44ccb3be0ec89569f5bdece80519.exe
Size 6.4MB
Sample240910-ca533ashkc
SHA256 8874ee4d9c878a6dc7f2681ec36df05cb09c44ccb3be0ec89569f5bdece80519
MD5 cb5ad18649a907f49154af26ad332030
SHA1 46acabf085b42f39bf085432ce436a2d895d8dad
SHA512 36363dde451354f6e87ee48a2b68a55cec92887a49e40844141e60ff9374b694aa6a3225a20dfb3f496d1fe0ebf6be7551adf1109ae037dfa80ad7387a19cd8c
SSDEEP 98304:nrNPA5ZwbswWhll1i2BXyv7KAqGSHqstqtZQbYSx:nrNA0ii2BX8xWqtZQsSx
MD5 SHA1 SHA512 SSDEEP

Score

10^/10

cryptbot credential_access discovery spyware stealer

Malware Config

Extracted

Family

cryptbot

C2

tventyv20sb.top
analforeverlovyu.top

Attributes

url_path
/v1/upload.php

Signatures

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

Checks computer location settings 2 TTPs 1 IoCs

Looks up country code configured in the registry, likely geofence.

Query Registry

T1012

System Information Discovery

T1082

description	ioc	Process
Key value queried	\REGISTRY\USER\S-1-5-21-945322488-2060912225-3527527000-1000\Control Panel\International\Geo\Nation	8874ee4d9c878a6dc7f2681ec36df05cb09c44ccb3be0ec89569f5bdece80519.exe

Executes dropped EXE 2 IoCs

pid	Process
1528	service123.exe
4476	service123.exe

Loads dropped DLL 2 IoCs

pid	Process
1528	service123.exe
4476	service123.exe

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 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	schtasks.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	8874ee4d9c878a6dc7f2681ec36df05cb09c44ccb3be0ec89569f5bdece80519.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.

Query Registry

T1012

System Information Discovery

T1082

description	ioc	Process
Key opened	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0	8874ee4d9c878a6dc7f2681ec36df05cb09c44ccb3be0ec89569f5bdece80519.exe
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0\ProcessorNameString	8874ee4d9c878a6dc7f2681ec36df05cb09c44ccb3be0ec89569f5bdece80519.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

pid	Process
2568	schtasks.exe

Suspicious use of WriteProcessMemory 6 IoCs

description	pid	Process	procid_target
PID 4620 wrote to memory of 1528	4620	8874ee4d9c878a6dc7f2681ec36df05cb09c44ccb3be0ec89569f5bdece80519.exe	96
PID 4620 wrote to memory of 1528	4620	8874ee4d9c878a6dc7f2681ec36df05cb09c44ccb3be0ec89569f5bdece80519.exe	96
PID 4620 wrote to memory of 1528	4620	8874ee4d9c878a6dc7f2681ec36df05cb09c44ccb3be0ec89569f5bdece80519.exe	96
PID 4620 wrote to memory of 2568	4620	8874ee4d9c878a6dc7f2681ec36df05cb09c44ccb3be0ec89569f5bdece80519.exe	97
PID 4620 wrote to memory of 2568	4620	8874ee4d9c878a6dc7f2681ec36df05cb09c44ccb3be0ec89569f5bdece80519.exe	97
PID 4620 wrote to memory of 2568	4620	8874ee4d9c878a6dc7f2681ec36df05cb09c44ccb3be0ec89569f5bdece80519.exe	97

C:\Users\Admin\AppData\Local\Temp\8874ee4d9c878a6dc7f2681ec36df05cb09c44ccb3be0ec89569f5bdece80519.exe
"C:\Users\Admin\AppData\Local\Temp\8874ee4d9c878a6dc7f2681ec36df05cb09c44ccb3be0ec89569f5bdece80519.exe"
1⤵
- Checks computer location settings
- System Location Discovery: System Language Discovery
- Checks processor information in registry
- Suspicious use of WriteProcessMemory
PID:4620
- 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:1528
- 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:2568

C:\Users\Admin\AppData\Local\Temp\service123.exe
C:\Users\Admin\AppData\Local\Temp\/service123.exe
1⤵
- Executes dropped EXE
- Loads dropped DLL
PID:4476