cryptbot | fd35acf0672ad6b5036a431c4b547afce445abdb73a93e3fc8eb7da2f8ead2c0

General

Target

cb9e7782bc00b5e359e20bb42d798f052e6cca76b77c36c2fc8acde7e93b8d6b.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	cb9e7782bc00b5e359e20bb42d798f052e6cca76b77c36c2fc8acde7e93b8d6b.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__	cb9e7782bc00b5e359e20bb42d798f052e6cca76b77c36c2fc8acde7e93b8d6b.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	cb9e7782bc00b5e359e20bb42d798f052e6cca76b77c36c2fc8acde7e93b8d6b.exe
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\VideoBiosVersion	cb9e7782bc00b5e359e20bb42d798f052e6cca76b77c36c2fc8acde7e93b8d6b.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-1-5-21-1488793075-819845221-1497111674-1000\Software\Wine	cb9e7782bc00b5e359e20bb42d798f052e6cca76b77c36c2fc8acde7e93b8d6b.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
764	cb9e7782bc00b5e359e20bb42d798f052e6cca76b77c36c2fc8acde7e93b8d6b.exe

Program crash 1 IoCs

pid	pid_target	Process	procid_target
2688	764	WerFault.exe	29

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	cb9e7782bc00b5e359e20bb42d798f052e6cca76b77c36c2fc8acde7e93b8d6b.exe

Suspicious behavior: EnumeratesProcesses 6 IoCs

pid	Process
764	cb9e7782bc00b5e359e20bb42d798f052e6cca76b77c36c2fc8acde7e93b8d6b.exe
764	cb9e7782bc00b5e359e20bb42d798f052e6cca76b77c36c2fc8acde7e93b8d6b.exe
764	cb9e7782bc00b5e359e20bb42d798f052e6cca76b77c36c2fc8acde7e93b8d6b.exe
764	cb9e7782bc00b5e359e20bb42d798f052e6cca76b77c36c2fc8acde7e93b8d6b.exe
764	cb9e7782bc00b5e359e20bb42d798f052e6cca76b77c36c2fc8acde7e93b8d6b.exe
764	cb9e7782bc00b5e359e20bb42d798f052e6cca76b77c36c2fc8acde7e93b8d6b.exe

Suspicious use of WriteProcessMemory 4 IoCs

description	pid	Process	procid_target
PID 764 wrote to memory of 2688	764	cb9e7782bc00b5e359e20bb42d798f052e6cca76b77c36c2fc8acde7e93b8d6b.exe	31
PID 764 wrote to memory of 2688	764	cb9e7782bc00b5e359e20bb42d798f052e6cca76b77c36c2fc8acde7e93b8d6b.exe	31
PID 764 wrote to memory of 2688	764	cb9e7782bc00b5e359e20bb42d798f052e6cca76b77c36c2fc8acde7e93b8d6b.exe	31
PID 764 wrote to memory of 2688	764	cb9e7782bc00b5e359e20bb42d798f052e6cca76b77c36c2fc8acde7e93b8d6b.exe	31

C:\Users\Admin\AppData\Local\Temp\cb9e7782bc00b5e359e20bb42d798f052e6cca76b77c36c2fc8acde7e93b8d6b.exe
"C:\Users\Admin\AppData\Local\Temp\cb9e7782bc00b5e359e20bb42d798f052e6cca76b77c36c2fc8acde7e93b8d6b.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:764
- C:\Windows\SysWOW64\WerFault.exe
  C:\Windows\SysWOW64\WerFault.exe -u -p 764 -s 656
  2⤵
  - Program crash
  PID:2688

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/764-0-0x0000000000990000-0x000000000164E000-memory.dmp

Filesize
12.7MB

Download
memory/764-1-0x0000000077070000-0x0000000077072000-memory.dmp

Filesize
8KB

Download
memory/764-2-0x0000000000991000-0x0000000000C15000-memory.dmp

Filesize
2.5MB

Download
memory/764-3-0x0000000000990000-0x000000000164E000-memory.dmp

Filesize
12.7MB

Download
memory/764-4-0x0000000000990000-0x000000000164E000-memory.dmp

Filesize
12.7MB

Download
memory/764-5-0x0000000000990000-0x000000000164E000-memory.dmp

Filesize
12.7MB

Download
memory/764-6-0x0000000000990000-0x000000000164E000-memory.dmp

Filesize
12.7MB

Download
memory/764-7-0x0000000000990000-0x000000000164E000-memory.dmp

Filesize
12.7MB

Download
memory/764-8-0x0000000000990000-0x000000000164E000-memory.dmp

Filesize
12.7MB

Download
memory/764-9-0x0000000000990000-0x000000000164E000-memory.dmp

Filesize
12.7MB

Download
memory/764-10-0x0000000000990000-0x000000000164E000-memory.dmp

Filesize
12.7MB

Download
memory/764-11-0x0000000000990000-0x000000000164E000-memory.dmp

Filesize
12.7MB

Download
memory/764-12-0x0000000000990000-0x000000000164E000-memory.dmp

Filesize
12.7MB

Download
memory/764-13-0x0000000000990000-0x000000000164E000-memory.dmp

Filesize
12.7MB

Download
memory/764-14-0x0000000000990000-0x000000000164E000-memory.dmp

Filesize
12.7MB

Download
memory/764-15-0x0000000000990000-0x000000000164E000-memory.dmp

Filesize
12.7MB

Download
memory/764-16-0x0000000000990000-0x000000000164E000-memory.dmp

Filesize
12.7MB

Download
memory/764-17-0x0000000000990000-0x000000000164E000-memory.dmp

Filesize
12.7MB

Download
memory/764-19-0x0000000000990000-0x000000000164E000-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