cryptbot | ea4851d1a1aebe61b573032d1785df907af31dd39343ed48d03bbf58830ab45c

Analysis

max time kernel
121s
max time network
123s
platform
windows7_x64
resource
win7-20240903-en
resource tags

arch:x64arch:x86image:win7-20240903-enlocale:en-usos:windows7-x64system
submitted
18-12-2024 12:51

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General

Target

random.exe.7.exe
Size

4.3MB
MD5

a326cdb677de0dffbc5beb2970b80ac0
SHA1

12a8073306783feac1f97686572460c2220ed0ff
SHA256

ea4851d1a1aebe61b573032d1785df907af31dd39343ed48d03bbf58830ab45c
SHA512

d1b1b98051608a0eb4f7690a0c93b9c0c8f29082069cfa955389487d557280e3a3a49243ad66e7ae36c020469973cf7580f92cfa33d5059a8b68c2411bd1576c
SSDEEP

98304:oSEoarpcKNd0dJtR8gPw6hDc+xDhsCiz1S0MKj:oSE31cKNOdJsH6blhsS0fj

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	random.exe.7.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__	random.exe.7.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.7.exe
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\VideoBiosVersion	random.exe.7.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-1-5-21-1846800975-3917212583-2893086201-1000\Software\Wine	random.exe.7.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
1716	random.exe.7.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	random.exe.7.exe

Suspicious behavior: EnumeratesProcesses 6 IoCs

pid	Process
1716	random.exe.7.exe
1716	random.exe.7.exe
1716	random.exe.7.exe
1716	random.exe.7.exe
1716	random.exe.7.exe
1716	random.exe.7.exe

C:\Users\Admin\AppData\Local\Temp\random.exe.7.exe
"C:\Users\Admin\AppData\Local\Temp\random.exe.7.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:1716

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/1716-0-0x0000000000B40000-0x00000000016A7000-memory.dmp

Filesize
11.4MB

Download
memory/1716-1-0x0000000077C70000-0x0000000077C72000-memory.dmp

Filesize
8KB

Download
memory/1716-2-0x0000000000B41000-0x0000000000DC5000-memory.dmp

Filesize
2.5MB

Download
memory/1716-3-0x0000000000B40000-0x00000000016A7000-memory.dmp

Filesize
11.4MB

Download
memory/1716-4-0x0000000000B40000-0x00000000016A7000-memory.dmp

Filesize
11.4MB

Download
memory/1716-5-0x0000000000B40000-0x00000000016A7000-memory.dmp

Filesize
11.4MB

Download
memory/1716-6-0x0000000000B40000-0x00000000016A7000-memory.dmp

Filesize
11.4MB

Download
memory/1716-7-0x0000000000B40000-0x00000000016A7000-memory.dmp

Filesize
11.4MB

Download
memory/1716-8-0x0000000000B40000-0x00000000016A7000-memory.dmp

Filesize
11.4MB

Download
memory/1716-9-0x0000000000B40000-0x00000000016A7000-memory.dmp

Filesize
11.4MB

Download
memory/1716-10-0x0000000000B40000-0x00000000016A7000-memory.dmp

Filesize
11.4MB

Download
memory/1716-11-0x0000000000B40000-0x00000000016A7000-memory.dmp

Filesize
11.4MB

Download
memory/1716-12-0x0000000000B40000-0x00000000016A7000-memory.dmp

Filesize
11.4MB

Download
memory/1716-13-0x0000000000B40000-0x00000000016A7000-memory.dmp

Filesize
11.4MB

Download
memory/1716-14-0x0000000000B40000-0x00000000016A7000-memory.dmp

Filesize
11.4MB

Download