cryptbot | eaa9cb70a559363110329d750dcf11948850ce44999bc71ff1a6e9c8ce6c85fd

Analysis

max time kernel
119s
max time network
120s
platform
windows7_x64
resource
win7-20240708-en
resource tags

arch:x64arch:x86image:win7-20240708-enlocale:en-usos:windows7-x64system
submitted
06-12-2024 11:25

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General

Target

file.exe
Size

4.2MB
MD5

b5b2b0f7c16a730f9631829aee670fe6
SHA1

6f9dee7399db43d8e195544620be564c3d32d27a
SHA256

eaa9cb70a559363110329d750dcf11948850ce44999bc71ff1a6e9c8ce6c85fd
SHA512

4ba5dc7c6fa58802bc71cfe9dec5a19d879a7fb95f951959efa30bc18e344944275c271399ffab7049e50e4c8899920f653fe996e8bfe2f61b8e21676183a4e9
SSDEEP

98304:LuNws0kds0+/J8l7LLpD73UVR54wU1uV1r0bcXzij:LIwGs09LVET54wU1Sh0g6

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-1-5-21-3551809350-4263495960-1443967649-1000\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
1820	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 6 IoCs

pid	Process
1820	file.exe
1820	file.exe
1820	file.exe
1820	file.exe
1820	file.exe
1820	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:1820

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/1820-0-0x00000000008E0000-0x00000000015A5000-memory.dmp

Filesize
12.8MB

Download
memory/1820-1-0x0000000076FE0000-0x0000000076FE2000-memory.dmp

Filesize
8KB

Download
memory/1820-2-0x00000000008E1000-0x0000000000B65000-memory.dmp

Filesize
2.5MB

Download
memory/1820-3-0x00000000008E0000-0x00000000015A5000-memory.dmp

Filesize
12.8MB

Download
memory/1820-4-0x00000000008E0000-0x00000000015A5000-memory.dmp

Filesize
12.8MB

Download
memory/1820-5-0x00000000008E0000-0x00000000015A5000-memory.dmp

Filesize
12.8MB

Download
memory/1820-6-0x00000000008E0000-0x00000000015A5000-memory.dmp

Filesize
12.8MB

Download
memory/1820-7-0x00000000008E0000-0x00000000015A5000-memory.dmp

Filesize
12.8MB

Download
memory/1820-8-0x00000000008E0000-0x00000000015A5000-memory.dmp

Filesize
12.8MB

Download
memory/1820-9-0x00000000008E0000-0x00000000015A5000-memory.dmp

Filesize
12.8MB

Download
memory/1820-10-0x00000000008E0000-0x00000000015A5000-memory.dmp

Filesize
12.8MB

Download
memory/1820-11-0x00000000008E0000-0x00000000015A5000-memory.dmp

Filesize
12.8MB

Download
memory/1820-12-0x00000000008E0000-0x00000000015A5000-memory.dmp

Filesize
12.8MB

Download
memory/1820-14-0x00000000008E0000-0x00000000015A5000-memory.dmp

Filesize
12.8MB

Download