cryptbot | 5e3b30b55ba876f28544f2b89a7b4fa553b087b7f483fb272d9411ed31080274

Analysis

max time kernel
65s
max time network
65s
platform
windows10-2004_x64
resource
win10v2004-20241007-en
resource tags

arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-x64system
submitted
22-10-2024 07:28

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General

Target

Set-up.exe
Size

6.5MB
MD5

771dbdbbfc1a5a6fd637a1a62fd89845
SHA1

264bdb27339bd0df80a60335169642d8ec90b84a
SHA256

b8a63af1e287f5a2a1f25903642ce939779e9b87f971a9d158e113cb3298fefe
SHA512

6b9b4c8b354993d5c34cbe27f139e0d7b607364951d71f1660323b0d89bc0a385073ada27ac1400feed8c64e1bc28cf45fd629777d0cf49152326c9d4f01283b
SSDEEP

49152:ZRGsVlLSDkE4V3Nuz9IvHRTqozbUYitLI7jwZ1swad7JRGWz/v/cMVVF1lKn380T:r5VduzqZTBnU5tIf/d

Score

10^/10

cryptbot discovery spyware stealer

Malware Config

Signatures

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

Detects CryptBot payload 1 IoCs

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

spyware stealer

resource	yara_rule
behavioral1/memory/1048-0-0x0000000069CC0000-0x000000006A37B000-memory.dmp	family_cryptbot_v3

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-1-5-21-493223053-2004649691-1575712786-1000\Control Panel\International\Geo\Nation	Set-up.exe

Executes dropped EXE 1 IoCs

pid	Process
4464	service123.exe

Loads dropped DLL 1 IoCs

pid	Process
4464	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
1412	schtasks.exe

Suspicious use of WriteProcessMemory 6 IoCs

description	pid	Process	procid_target
PID 1048 wrote to memory of 4464	1048	Set-up.exe	99
PID 1048 wrote to memory of 4464	1048	Set-up.exe	99
PID 1048 wrote to memory of 4464	1048	Set-up.exe	99
PID 1048 wrote to memory of 1412	1048	Set-up.exe	100
PID 1048 wrote to memory of 1412	1048	Set-up.exe	100
PID 1048 wrote to memory of 1412	1048	Set-up.exe	100

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:1048
- 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:4464
- 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:1412

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Scheduled Task/Job

T1053

Scheduled Task

T1053.005

Persistence

Scheduled Task/Job

T1053

Scheduled Task

T1053.005

Privilege Escalation

Scheduled Task/Job

T1053

Scheduled Task

T1053.005

Defense Evasion

Credential Access

Credentials from Password Stores

T1555

Credentials from Web Browsers

T1555.003

Unsecured Credentials

T1552

Credentials In Files

T1552.001

Discovery

Query Registry

T1012

System Information Discovery

T1082

System Location Discovery

T1614

System Language Discovery

T1614.001

Lateral Movement

Collection

Data from Local System

T1005

Command and Control

Exfiltration

Impact

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Downloads

memory/1048-0-0x0000000069CC0000-0x000000006A37B000-memory.dmp

Filesize
6.7MB

Download
memory/1048-9-0x00000000000B0000-0x0000000000739000-memory.dmp

Filesize
6.5MB

Download
memory/1048-24-0x00000000000B0000-0x0000000000739000-memory.dmp

Filesize
6.5MB

Download
memory/4464-26-0x00000000006A0000-0x00000000006B2000-memory.dmp

Filesize
72KB

Download
memory/4464-27-0x00000000753C0000-0x00000000754F4000-memory.dmp

Filesize
1.2MB

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads