cryptbot | c98d19866c460e57acf2ab7849702b142ad2c40016a503a1b9430a8dadc3a7e0

Analysis

max time kernel
120s
max time network
121s
platform
windows7_x64
resource
win7-20240708-en
resource tags

arch:x64arch:x86image:win7-20240708-enlocale:en-usos:windows7-x64system
submitted
06/12/2024, 11:17

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General

Target

file.exe
Size

4.3MB
MD5

456cf6270ab07ea9b236b47f6cd0f1af
SHA1

7a4b825f25da671dfc5b4d28f42d8fca1ada5962
SHA256

c98d19866c460e57acf2ab7849702b142ad2c40016a503a1b9430a8dadc3a7e0
SHA512

9d440a02373119bb537d1f3bedde0727b91f908c647b9cea386999e78c4ceb6e09fd8a23fddadf5c56f70005477aa5aaa881106b51f019d8bfb18ba085578cb6
SSDEEP

98304:qjdWYL7xmGpXdYK5x2OC1jXsQTL7lgSv9R8NfWmNRogTBXxdcC9Ck6Ps9G4:qXL7xmGRdYEU1jsmL7lHv9RMfWMRV9DI

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-1-5-21-3551809350-4263495960-1443967649-1000\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
1780	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
1780	file.exe
1780	file.exe
1780	file.exe
1780	file.exe
1780	file.exe
1780	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:1780

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/1780-0-0x0000000000820000-0x00000000014F9000-memory.dmp

Filesize
12.8MB

Download
memory/1780-1-0x0000000077CA0000-0x0000000077CA2000-memory.dmp

Filesize
8KB

Download
memory/1780-2-0x0000000000821000-0x0000000000AA5000-memory.dmp

Filesize
2.5MB

Download
memory/1780-3-0x0000000000820000-0x00000000014F9000-memory.dmp

Filesize
12.8MB

Download
memory/1780-4-0x0000000000820000-0x00000000014F9000-memory.dmp

Filesize
12.8MB

Download
memory/1780-5-0x0000000000820000-0x00000000014F9000-memory.dmp

Filesize
12.8MB

Download
memory/1780-6-0x0000000000820000-0x00000000014F9000-memory.dmp

Filesize
12.8MB

Download
memory/1780-7-0x0000000000820000-0x00000000014F9000-memory.dmp

Filesize
12.8MB

Download
memory/1780-8-0x0000000000820000-0x00000000014F9000-memory.dmp

Filesize
12.8MB

Download
memory/1780-9-0x0000000000820000-0x00000000014F9000-memory.dmp

Filesize
12.8MB

Download