cryptbot | 74211c92533f725825f0d2c05815b44d8b89c370a202007b46d3b09c5ef19ec9

Analysis

max time kernel
150s
max time network
150s
platform
windows10-2004_x64
resource
win10v2004-20241007-en
resource tags

arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-x64system
submitted
06-12-2024 11:48

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General

Target

file.exe
Size

4.3MB
MD5

cdee2aadc9a1d83264d60129891ca8c7
SHA1

2ffc082892de4d483f53791ef35d5bc45dc96dcd
SHA256

74211c92533f725825f0d2c05815b44d8b89c370a202007b46d3b09c5ef19ec9
SHA512

a6280b9759fb1764ea8b755c9f2beb0cad450a273e2d7bfc38b374a4ca7da3bc7ccb84b74e2fdf39d23dd4f5713a84364386f8e8877b44b9de625543812cf35f
SSDEEP

98304:b16yNMldzSUcQ1zMr+zfXEbwgAAghK6YPXN3Q/K6zUp+3Jx0:b16yGPlzMr4U8/kX9Qi6zY

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\VideoBiosVersion	file.exe
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\SystemBiosVersion	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-1-5-21-493223053-2004649691-1575712786-1000\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
4860	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 10 IoCs

pid	Process
4860	file.exe
4860	file.exe
4860	file.exe
4860	file.exe
4860	file.exe
4860	file.exe
4860	file.exe
4860	file.exe
4860	file.exe
4860	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:4860

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/4860-0-0x00000000003D0000-0x000000000109B000-memory.dmp

Filesize
12.8MB

Download
memory/4860-1-0x00000000778C4000-0x00000000778C6000-memory.dmp

Filesize
8KB

Download
memory/4860-2-0x00000000003D1000-0x0000000000655000-memory.dmp

Filesize
2.5MB

Download
memory/4860-3-0x00000000003D0000-0x000000000109B000-memory.dmp

Filesize
12.8MB

Download
memory/4860-4-0x00000000003D0000-0x000000000109B000-memory.dmp

Filesize
12.8MB

Download
memory/4860-5-0x00000000003D0000-0x000000000109B000-memory.dmp

Filesize
12.8MB

Download
memory/4860-6-0x00000000003D0000-0x000000000109B000-memory.dmp

Filesize
12.8MB

Download
memory/4860-7-0x00000000003D0000-0x000000000109B000-memory.dmp

Filesize
12.8MB

Download
memory/4860-8-0x00000000003D0000-0x000000000109B000-memory.dmp

Filesize
12.8MB

Download
memory/4860-9-0x00000000003D0000-0x000000000109B000-memory.dmp

Filesize
12.8MB

Download
memory/4860-11-0x00000000003D0000-0x000000000109B000-memory.dmp

Filesize
12.8MB

Download