cryptbot | 4982cf1702801f6cedce0fabdf5d5e1cf94af778b768eddad5044f923180cb89

General

Target

Set-up.exe
Size

6.4MB
MD5

d5ef7a30cb9c06cafd2654a3c8018425
SHA1

b88c6e3e2abe0edd06e4565cd5b9f4f8e9a72a6c
SHA256

4982cf1702801f6cedce0fabdf5d5e1cf94af778b768eddad5044f923180cb89
SHA512

f409dd5c797f7117f93bd5a2ce67372b135a624bdbeaa6d457a8860e2d5460d13d01de1ffc27ea560da7f5f914204262ba1a4b77e8a26421eea5161d3d72bf0b
SSDEEP

98304:4bShAumVddxYQEyKENP1xKkGSlXCgGH1w64ObLyXO:4bShApjdmstxDC1H1LbmXO

Score

10^/10

cryptbot discovery spyware stealer

Malware Config

Extracted

Family

cryptbot

C2

twelvevf12vt.top

Attributes

url_path
/v1/upload.php

Signatures

CryptBot
CryptBot is a C++ stealer distributed widely in bundle with other software.
spyware stealer cryptbot

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-1-5-21-2392887640-1187051047-2909758433-1000\Control Panel\International\Geo\Nation	Set-up.exe

Executes dropped EXE 3 IoCs

pid	Process
3204	service123.exe
3644	service123.exe
4216	service123.exe

Loads dropped DLL 3 IoCs

pid	Process
3204	service123.exe
3644	service123.exe
4216	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
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	Set-up.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

T1012

System Information Discovery

T1082

description	ioc	Process
Key opened	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0	Set-up.exe
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0\ProcessorNameString	Set-up.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
3688	schtasks.exe

Suspicious use of WriteProcessMemory 6 IoCs

description	pid	Process	procid_target
PID 4772 wrote to memory of 3204	4772	Set-up.exe	90
PID 4772 wrote to memory of 3204	4772	Set-up.exe	90
PID 4772 wrote to memory of 3204	4772	Set-up.exe	90
PID 4772 wrote to memory of 3688	4772	Set-up.exe	91
PID 4772 wrote to memory of 3688	4772	Set-up.exe	91
PID 4772 wrote to memory of 3688	4772	Set-up.exe	91

C:\Users\Admin\AppData\Local\Temp\Set-up.exe
"C:\Users\Admin\AppData\Local\Temp\Set-up.exe"
1⤵
- Checks computer location settings
- System Location Discovery: System Language Discovery
- Checks processor information in registry
- Suspicious use of WriteProcessMemory
PID:4772
- 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:3204
- 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:3688

C:\Users\Admin\AppData\Local\Temp\service123.exe
C:\Users\Admin\AppData\Local\Temp\/service123.exe
1⤵
- Executes dropped EXE
- Loads dropped DLL
PID:3644

C:\Users\Admin\AppData\Local\Temp\service123.exe
C:\Users\Admin\AppData\Local\Temp\/service123.exe
1⤵
- Executes dropped EXE
- Loads dropped DLL
PID:4216

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Scheduled Task/Job

1

T1053

Scheduled Task

1

T1053.005

Persistence

Scheduled Task/Job

1

T1053

Scheduled Task

1

T1053.005

Privilege Escalation

Scheduled Task/Job

1

T1053

Scheduled Task

1

T1053.005

Defense Evasion

Credential Access

Credentials from Password Stores

1

T1555

Credentials from Web Browsers

1

T1555.003

Unsecured Credentials

1

T1552

Credentials In Files

1

T1552.001

Discovery

Query Registry

3

T1012

System Information Discovery

3

T1082

System Location Discovery

1

T1614

System Language Discovery

1

T1614.001

Lateral Movement

Collection

Data from Local System

1

T1005

Command and Control

Exfiltration

Impact

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Downloads

memory/3204-15-0x0000000000850000-0x0000000000861000-memory.dmp

Filesize
68KB

Download
memory/3204-16-0x0000000075A80000-0x0000000075BBC000-memory.dmp

Filesize
1.2MB

Download
memory/3644-19-0x0000000000850000-0x0000000000861000-memory.dmp

Filesize
68KB

Download
memory/4216-34-0x0000000000850000-0x0000000000861000-memory.dmp

Filesize
68KB

Download
memory/4772-0-0x0000000000400000-0x000000000106E000-memory.dmp

Filesize
12.4MB

Download
memory/4772-1-0x0000000000400000-0x000000000106E000-memory.dmp

Filesize
12.4MB

Download
memory/4772-13-0x0000000000400000-0x000000000106E000-memory.dmp

Filesize
12.4MB

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads