cryptbot | 5325d6080593f6f09f4cccd1dd6a29980c2a03eb3029f275ca10673d6d437157

Analysis

max time kernel
117s
max time network
122s
platform
windows7_x64
resource
win7-20240729-en
resource tags

arch:x64arch:x86image:win7-20240729-enlocale:en-usos:windows7-x64system
submitted
06-12-2024 13:56

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General

Target

file.exe
Size

4.2MB
MD5

261d511a3420cda4b383cab204e3ec7b
SHA1

59c3c24f34d2381869a203180b409631e0008918
SHA256

5325d6080593f6f09f4cccd1dd6a29980c2a03eb3029f275ca10673d6d437157
SHA512

215fdcd8bbe2ac24b69e71a2f34df24c4ed3f5dfff2f8c0930f6ebe7ca7a7f1cebcbe0b3a7bed358d716c427368a8e35a7cefdc488dd780ae24769b07e662146
SSDEEP

98304:EJkUDG1TR1tluYF35qQhwsETq4bO060fl0Bc7SwY/cz0bv:WoTRL8O35qQGLq4vfl0BKSgzo

Score

10^/10

cryptbot discovery evasion spyware stealer

Malware Config

Extracted

Family

cryptbot

Signatures

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

Enumerates VirtualBox registry keys 2 TTPs 1 IoCs

evasion

Query Registry

T1012

Virtualization/Sandbox Evasion

T1497

description	ioc	Process
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Services\VBoxSF	file.exe

Identifies VirtualBox via ACPI registry values (likely anti-VM) 2 TTPs 1 IoCs

evasion

Query Registry

T1012

Virtualization/Sandbox Evasion

T1497

description	ioc	Process
Key opened	\REGISTRY\MACHINE\HARDWARE\ACPI\DSDT\VBOX__	file.exe

Checks BIOS information in registry 2 TTPs 2 IoCs

BIOS information is often read in order to detect sandboxing environments.

Query Registry

T1012

System Information Discovery

T1082

description	ioc	Process
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\SystemBiosVersion	file.exe
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\VideoBiosVersion	file.exe

Identifies Wine through registry keys 2 TTPs 1 IoCs

Wine is a compatibility layer capable of running Windows applications, which can be used as sandboxing environment.

evasion

Query Registry

T1012

Virtualization/Sandbox Evasion

T1497

description	ioc	Process
Key opened	\REGISTRY\USER\S-1-5-21-2703099537-420551529-3771253338-1000\Software\Wine	file.exe

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

Suspicious use of NtSetInformationThreadHideFromDebugger 1 IoCs

pid	Process
2136	file.exe

System Location Discovery: System Language Discovery 1 TTPs 1 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	file.exe

Suspicious behavior: EnumeratesProcesses 6 IoCs

pid	Process
2136	file.exe
2136	file.exe
2136	file.exe
2136	file.exe
2136	file.exe
2136	file.exe

C:\Users\Admin\AppData\Local\Temp\file.exe
"C:\Users\Admin\AppData\Local\Temp\file.exe"
1⤵
- Enumerates VirtualBox registry keys
- Identifies VirtualBox via ACPI registry values (likely anti-VM)
- Checks BIOS information in registry
- Identifies Wine through registry keys
- Suspicious use of NtSetInformationThreadHideFromDebugger
- System Location Discovery: System Language Discovery
- Suspicious behavior: EnumeratesProcesses
PID:2136

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Virtualization/Sandbox Evasion

T1497

Credential Access

Discovery

Query Registry

T1012

System Information Discovery

T1082

System Location Discovery

T1614

System Language Discovery

T1614.001

Virtualization/Sandbox Evasion

T1497

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

Replay Monitor

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Downloads

memory/2136-0-0x0000000000250000-0x0000000000F04000-memory.dmp

Filesize
12.7MB

Download
memory/2136-1-0x0000000077670000-0x0000000077672000-memory.dmp

Filesize
8KB

Download
memory/2136-2-0x0000000000251000-0x00000000004D5000-memory.dmp

Filesize
2.5MB

Download
memory/2136-3-0x0000000000250000-0x0000000000F04000-memory.dmp

Filesize
12.7MB

Download
memory/2136-4-0x0000000000250000-0x0000000000F04000-memory.dmp

Filesize
12.7MB

Download
memory/2136-5-0x0000000000250000-0x0000000000F04000-memory.dmp

Filesize
12.7MB

Download
memory/2136-6-0x0000000000250000-0x0000000000F04000-memory.dmp

Filesize
12.7MB

Download
memory/2136-7-0x0000000000250000-0x0000000000F04000-memory.dmp

Filesize
12.7MB

Download
memory/2136-8-0x0000000000250000-0x0000000000F04000-memory.dmp

Filesize
12.7MB

Download
memory/2136-9-0x0000000000250000-0x0000000000F04000-memory.dmp

Filesize
12.7MB

Download
memory/2136-10-0x0000000000250000-0x0000000000F04000-memory.dmp

Filesize
12.7MB

Download
memory/2136-11-0x0000000000250000-0x0000000000F04000-memory.dmp

Filesize
12.7MB

Download
memory/2136-12-0x0000000000250000-0x0000000000F04000-memory.dmp

Filesize
12.7MB

Download
memory/2136-13-0x0000000000250000-0x0000000000F04000-memory.dmp

Filesize
12.7MB

Download
memory/2136-14-0x0000000000250000-0x0000000000F04000-memory.dmp

Filesize
12.7MB

Download
memory/2136-15-0x0000000000250000-0x0000000000F04000-memory.dmp

Filesize
12.7MB

Download