cryptbot | cb9e7782bc00b5e359e20bb42d798f052e6cca76b77c36c2fc8acde7e93b8d6b

Analysis

max time kernel
94s
max time network
156s
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 18:52

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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\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-1-5-21-2437139445-1151884604-3026847218-1000\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
1668	file.exe

Program crash 1 IoCs

pid	pid_target	Process	procid_target
1224	1668	WerFault.exe	82

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
1668	file.exe
1668	file.exe
1668	file.exe
1668	file.exe
1668	file.exe
1668	file.exe
1668	file.exe
1668	file.exe
1668	file.exe
1668	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:1668
- C:\Windows\SysWOW64\WerFault.exe
  C:\Windows\SysWOW64\WerFault.exe -u -p 1668 -s 1136
  2⤵
  - Program crash
  PID:1224

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 408 -p 1668 -ip 1668
1⤵
PID:2368

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/1668-0-0x0000000000810000-0x00000000014CE000-memory.dmp

Filesize
12.7MB

Download
memory/1668-1-0x00000000771B4000-0x00000000771B6000-memory.dmp

Filesize
8KB

Download
memory/1668-2-0x0000000000811000-0x0000000000A95000-memory.dmp

Filesize
2.5MB

Download
memory/1668-3-0x0000000000810000-0x00000000014CE000-memory.dmp

Filesize
12.7MB

Download
memory/1668-4-0x0000000000810000-0x00000000014CE000-memory.dmp

Filesize
12.7MB

Download
memory/1668-5-0x0000000000810000-0x00000000014CE000-memory.dmp

Filesize
12.7MB

Download
memory/1668-6-0x0000000000810000-0x00000000014CE000-memory.dmp

Filesize
12.7MB

Download
memory/1668-7-0x0000000000810000-0x00000000014CE000-memory.dmp

Filesize
12.7MB

Download
memory/1668-8-0x0000000000810000-0x00000000014CE000-memory.dmp

Filesize
12.7MB

Download
memory/1668-9-0x0000000000810000-0x00000000014CE000-memory.dmp

Filesize
12.7MB

Download
memory/1668-10-0x0000000000810000-0x00000000014CE000-memory.dmp

Filesize
12.7MB

Download
memory/1668-11-0x0000000000810000-0x00000000014CE000-memory.dmp

Filesize
12.7MB

Download
memory/1668-12-0x0000000000810000-0x00000000014CE000-memory.dmp

Filesize
12.7MB

Download
memory/1668-13-0x0000000000810000-0x00000000014CE000-memory.dmp

Filesize
12.7MB

Download
memory/1668-14-0x0000000000810000-0x00000000014CE000-memory.dmp

Filesize
12.7MB

Download
memory/1668-15-0x0000000000810000-0x00000000014CE000-memory.dmp

Filesize
12.7MB

Download
memory/1668-16-0x0000000000810000-0x00000000014CE000-memory.dmp

Filesize
12.7MB

Download