cryptbot | cf284105b76caf1f2f775de2207e9743ca4a479924b06b0ab3a41251104953f3

General

Target

random.exe
Size

6.3MB
MD5

4ae8af6fba92e19af09d19070b33c7c2
SHA1

a72132f73981dcacfa2d322176121152a880ef19
SHA256

cf284105b76caf1f2f775de2207e9743ca4a479924b06b0ab3a41251104953f3
SHA512

a0be0da126a2f67741448303ff22a0cd0c92cd9a19ff7e9f03bceec3320eebe7ea7d31f76a52b399a1c83dd975cd3da2111258cc42dd04bb578ed70651f5fe53
SSDEEP

98304:hjQBHwSW6RBfuVbx3/4pIrZC5EimIfFUsidrV2XJsNf7tnMhXWKsTA0KIY9E:hcBHwSwVmpaZP/ItSHKsTAQY9

Score

10^/10

cryptbot defense_evasion discovery spyware stealer

Malware Config

Extracted

Family

cryptbot

C2

http://home.fivenn5sr.top/DoDOGDWnPbpMwhmjDvNk17

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

defense_evasion

Query Registry

T1012

Virtualization/Sandbox Evasion

T1497

description	ioc	Process
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Services\VBoxSF	random.exe

Identifies VirtualBox via ACPI registry values (likely anti-VM) 2 TTPs 1 IoCs

defense_evasion

Query Registry

T1012

Virtualization/Sandbox Evasion

T1497

description	ioc	Process
Key opened	\REGISTRY\MACHINE\HARDWARE\ACPI\DSDT\VBOX__	random.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	random.exe
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\VideoBiosVersion	random.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.

defense_evasion

Query Registry

T1012

Virtualization/Sandbox Evasion

T1497

description	ioc	Process
Key opened	\REGISTRY\USER\S-1-5-21-1846800975-3917212583-2893086201-1000\Software\Wine	random.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
2340	random.exe

Program crash 1 IoCs

pid	pid_target	Process	procid_target
3060	2340	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	random.exe

Suspicious behavior: EnumeratesProcesses 6 IoCs

pid	Process
2340	random.exe
2340	random.exe
2340	random.exe
2340	random.exe
2340	random.exe
2340	random.exe

Suspicious use of WriteProcessMemory 4 IoCs

description	pid	Process	procid_target
PID 2340 wrote to memory of 3060	2340	random.exe	31
PID 2340 wrote to memory of 3060	2340	random.exe	31
PID 2340 wrote to memory of 3060	2340	random.exe	31
PID 2340 wrote to memory of 3060	2340	random.exe	31

C:\Users\Admin\AppData\Local\Temp\random.exe
"C:\Users\Admin\AppData\Local\Temp\random.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:2340
- C:\Windows\SysWOW64\WerFault.exe
  C:\Windows\SysWOW64\WerFault.exe -u -p 2340 -s 656
  2⤵
  - Program crash
  PID:3060

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

Replay Monitor

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Downloads

memory/2340-0-0x0000000000040000-0x0000000000C11000-memory.dmp

Filesize
11.8MB

Download
memory/2340-1-0x0000000077DD0000-0x0000000077DD2000-memory.dmp

Filesize
8KB

Download
memory/2340-2-0x0000000000041000-0x00000000002DA000-memory.dmp

Filesize
2.6MB

Download
memory/2340-3-0x0000000000040000-0x0000000000C11000-memory.dmp

Filesize
11.8MB

Download
memory/2340-4-0x0000000000040000-0x0000000000C11000-memory.dmp

Filesize
11.8MB

Download
memory/2340-5-0x0000000000040000-0x0000000000C11000-memory.dmp

Filesize
11.8MB

Download
memory/2340-6-0x0000000000040000-0x0000000000C11000-memory.dmp

Filesize
11.8MB

Download
memory/2340-7-0x0000000000040000-0x0000000000C11000-memory.dmp

Filesize
11.8MB

Download
memory/2340-8-0x0000000000040000-0x0000000000C11000-memory.dmp

Filesize
11.8MB

Download
memory/2340-9-0x0000000000040000-0x0000000000C11000-memory.dmp

Filesize
11.8MB

Download
memory/2340-10-0x0000000000040000-0x0000000000C11000-memory.dmp

Filesize
11.8MB

Download
memory/2340-11-0x0000000000040000-0x0000000000C11000-memory.dmp

Filesize
11.8MB

Download
memory/2340-12-0x0000000000040000-0x0000000000C11000-memory.dmp

Filesize
11.8MB

Download
memory/2340-13-0x0000000000040000-0x0000000000C11000-memory.dmp

Filesize
11.8MB

Download
memory/2340-14-0x0000000000040000-0x0000000000C11000-memory.dmp

Filesize
11.8MB

Download
memory/2340-15-0x0000000000040000-0x0000000000C11000-memory.dmp

Filesize
11.8MB

Download
memory/2340-16-0x0000000000040000-0x0000000000C11000-memory.dmp

Filesize
11.8MB

Download
memory/2340-17-0x0000000000040000-0x0000000000C11000-memory.dmp

Filesize
11.8MB

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

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Downloads