cryptbot | e7a83ddae3eec8ce624fc138e1dddb7f3ff5c5c9f20db11f60e22f489bdcc947

General

Target

file.exe
Size

4.3MB
MD5

4500ada3f3ca96c5a4c012d41ecb92e6
SHA1

688d9fbf419423ec29c4037dc04a975475936c33
SHA256

e7a83ddae3eec8ce624fc138e1dddb7f3ff5c5c9f20db11f60e22f489bdcc947
SHA512

95102061505fa16f5bfe89d32001b75b4e353cd3fce2381045dbabb46db42299c8049bdec0e3b0dd376043c59a52f71e3e9d29fdd85c4b7db056697c1e4a50be
SSDEEP

98304:pJJUaXAY2JwKhR14eM+rNKNhuVEpTebunratQe7FOxz:fXn2JwreM71TebGra

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-1-5-21-2039016743-699959520-214465309-1000\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
1796	file.exe

Program crash 1 IoCs

pid	pid_target	Process	procid_target
2796	1796	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	file.exe

Suspicious behavior: EnumeratesProcesses 6 IoCs

pid	Process
1796	file.exe
1796	file.exe
1796	file.exe
1796	file.exe
1796	file.exe
1796	file.exe

Suspicious use of WriteProcessMemory 4 IoCs

description	pid	Process	procid_target
PID 1796 wrote to memory of 2796	1796	file.exe	31
PID 1796 wrote to memory of 2796	1796	file.exe	31
PID 1796 wrote to memory of 2796	1796	file.exe	31
PID 1796 wrote to memory of 2796	1796	file.exe	31

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
- Suspicious use of WriteProcessMemory
PID:1796
- C:\Windows\SysWOW64\WerFault.exe
  C:\Windows\SysWOW64\WerFault.exe -u -p 1796 -s 652
  2⤵
  - Program crash
  PID:2796

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/1796-0-0x0000000000AA0000-0x0000000001778000-memory.dmp

Filesize
12.8MB

Download
memory/1796-1-0x0000000077C20000-0x0000000077C22000-memory.dmp

Filesize
8KB

Download
memory/1796-3-0x0000000000AA0000-0x0000000001778000-memory.dmp

Filesize
12.8MB

Download
memory/1796-2-0x0000000000AA1000-0x0000000000D25000-memory.dmp

Filesize
2.5MB

Download
memory/1796-4-0x0000000000AA0000-0x0000000001778000-memory.dmp

Filesize
12.8MB

Download
memory/1796-5-0x0000000000AA0000-0x0000000001778000-memory.dmp

Filesize
12.8MB

Download
memory/1796-6-0x0000000000AA0000-0x0000000001778000-memory.dmp

Filesize
12.8MB

Download
memory/1796-7-0x0000000000AA0000-0x0000000001778000-memory.dmp

Filesize
12.8MB

Download
memory/1796-8-0x0000000000AA0000-0x0000000001778000-memory.dmp

Filesize
12.8MB

Download
memory/1796-9-0x0000000000AA0000-0x0000000001778000-memory.dmp

Filesize
12.8MB

Download
memory/1796-10-0x0000000000AA0000-0x0000000001778000-memory.dmp

Filesize
12.8MB

Download
memory/1796-11-0x0000000000AA0000-0x0000000001778000-memory.dmp

Filesize
12.8MB

Download
memory/1796-12-0x0000000000AA0000-0x0000000001778000-memory.dmp

Filesize
12.8MB

Download
memory/1796-13-0x0000000000AA0000-0x0000000001778000-memory.dmp

Filesize
12.8MB

Download
memory/1796-14-0x0000000000AA0000-0x0000000001778000-memory.dmp

Filesize
12.8MB

Download
memory/1796-15-0x0000000000AA0000-0x0000000001778000-memory.dmp

Filesize
12.8MB

Download
memory/1796-16-0x0000000000AA0000-0x0000000001778000-memory.dmp

Filesize
12.8MB

Download
memory/1796-17-0x0000000000AA0000-0x0000000001778000-memory.dmp

Filesize
12.8MB

Download
memory/1796-18-0x0000000000AA0000-0x0000000001778000-memory.dmp

Filesize
12.8MB

Download
memory/1796-19-0x0000000000AA0000-0x0000000001778000-memory.dmp

Filesize
12.8MB

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads