cryptbot | cb9e7782bc00b5e359e20bb42d798f052e6cca76b77c36c2fc8acde7e93b8d6b

General

Target

file.exe
Size

4.3MB
MD5

0ef0fc7db1f5c0fee6d9c602c6c2b776
SHA1

a845c9a05545dc0cfc42c2e1316e0bd535240265
SHA256

cb9e7782bc00b5e359e20bb42d798f052e6cca76b77c36c2fc8acde7e93b8d6b
SHA512

a3a171b2eaee101094f3c50b9f651336a277451020ce7da1690d52a08e42cc00fb12d4ac95f4f9c41fb9736ae510c24654493427d0907df39d9b39439f8bf530
SSDEEP

98304:2eMTr1N8AvrRZatKDIufQwt0Z2Z3OfdgQiqaePydaqh:2bn78waUDIm1OkZeHPJq/

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-1-5-21-3063565911-2056067323-3330884624-1000\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
2656	file.exe

Program crash 1 IoCs

pid	pid_target	Process	procid_target
2908	2656	WerFault.exe	30

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
2656	file.exe
2656	file.exe
2656	file.exe
2656	file.exe
2656	file.exe
2656	file.exe

Suspicious use of WriteProcessMemory 4 IoCs

description	pid	Process	procid_target
PID 2656 wrote to memory of 2908	2656	file.exe	31
PID 2656 wrote to memory of 2908	2656	file.exe	31
PID 2656 wrote to memory of 2908	2656	file.exe	31
PID 2656 wrote to memory of 2908	2656	file.exe	31

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
- Suspicious use of WriteProcessMemory
PID:2656
- C:\Windows\SysWOW64\WerFault.exe
  C:\Windows\SysWOW64\WerFault.exe -u -p 2656 -s 652
  2⤵
  - Program crash
  PID:2908

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Virtualization/Sandbox Evasion

3

T1497

Credential Access

Discovery

Query Registry

5

T1012

System Information Discovery

1

T1082

System Location Discovery

1

T1614

System Language Discovery

1

T1614.001

Virtualization/Sandbox Evasion

3

T1497

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

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Downloads

memory/2656-0-0x0000000001370000-0x000000000202E000-memory.dmp

Filesize
12.7MB

Download
memory/2656-1-0x00000000775A0000-0x00000000775A2000-memory.dmp

Filesize
8KB

Download
memory/2656-2-0x0000000001371000-0x00000000015F5000-memory.dmp

Filesize
2.5MB

Download
memory/2656-3-0x0000000001370000-0x000000000202E000-memory.dmp

Filesize
12.7MB

Download
memory/2656-5-0x0000000001370000-0x000000000202E000-memory.dmp

Filesize
12.7MB

Download
memory/2656-4-0x0000000001370000-0x000000000202E000-memory.dmp

Filesize
12.7MB

Download
memory/2656-6-0x0000000001370000-0x000000000202E000-memory.dmp

Filesize
12.7MB

Download
memory/2656-7-0x0000000001370000-0x000000000202E000-memory.dmp

Filesize
12.7MB

Download
memory/2656-8-0x0000000001370000-0x000000000202E000-memory.dmp

Filesize
12.7MB

Download
memory/2656-9-0x0000000001370000-0x000000000202E000-memory.dmp

Filesize
12.7MB

Download
memory/2656-10-0x0000000001370000-0x000000000202E000-memory.dmp

Filesize
12.7MB

Download
memory/2656-11-0x0000000001370000-0x000000000202E000-memory.dmp

Filesize
12.7MB

Download
memory/2656-12-0x0000000001370000-0x000000000202E000-memory.dmp

Filesize
12.7MB

Download
memory/2656-13-0x0000000001370000-0x000000000202E000-memory.dmp

Filesize
12.7MB

Download
memory/2656-14-0x0000000001370000-0x000000000202E000-memory.dmp

Filesize
12.7MB

Download
memory/2656-15-0x0000000001370000-0x000000000202E000-memory.dmp

Filesize
12.7MB

Download
memory/2656-16-0x0000000001370000-0x000000000202E000-memory.dmp

Filesize
12.7MB

Download
memory/2656-17-0x0000000001370000-0x000000000202E000-memory.dmp

Filesize
12.7MB

Download
memory/2656-18-0x0000000001370000-0x000000000202E000-memory.dmp

Filesize
12.7MB

Download
memory/2656-19-0x0000000001370000-0x000000000202E000-memory.dmp

Filesize
12.7MB

Download
memory/2656-20-0x0000000001370000-0x000000000202E000-memory.dmp

Filesize
12.7MB

Download
memory/2656-21-0x0000000001370000-0x000000000202E000-memory.dmp

Filesize
12.7MB

Download
memory/2656-22-0x0000000001370000-0x000000000202E000-memory.dmp

Filesize
12.7MB

Download
memory/2656-24-0x0000000001370000-0x000000000202E000-memory.dmp

Filesize
12.7MB

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads