cryptbot | c3768079ea8c8a3e288f83510ac109b9f1531ac8788584fc5971b80936a30773

Resubmissions

07/04/2025, 08:33

250407-kf3h5axjt4 10

13/02/2025, 06:34

250213-hb452strck 10

Analysis

max time kernel
103s
max time network
142s
platform
windows10-2004_x64
resource
win10v2004-20250314-en
resource tags

arch:x64arch:x86image:win10v2004-20250314-enlocale:en-usos:windows10-2004-x64system
submitted
07/04/2025, 08:33

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General

Target

c3768079ea8c8a3e288f83510ac109b9f1531ac8788584fc5971b80936a30773.exe
Size

6.2MB
MD5

f26b4d7cc2be7f4290585ebfaa5aa130
SHA1

ceff08f33740d85ec2dbdfeed0760944f87ca0c8
SHA256

c3768079ea8c8a3e288f83510ac109b9f1531ac8788584fc5971b80936a30773
SHA512

2860fcbeb0cbc52a3088f1c65263320cbd72c8fcfdd7b5aa73be99e8dcde01079be4a7627e70a6a33a838a250a9b3441d421dbcd353872722a08dc67e4e8d23a
SSDEEP

98304:7e8hyXkH2Sw3+mwpNs2zZlKo6JCEBPI16THCRiWnBat/YOwZ:vwA6Gy29UknBaG

Score

10^/10

cryptbot defense_evasion discovery 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

defense_evasion

Query Registry

T1012

Virtualization/Sandbox Evasion

T1497

description	ioc	Process
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Services\VBoxSF	c3768079ea8c8a3e288f83510ac109b9f1531ac8788584fc5971b80936a30773.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__	c3768079ea8c8a3e288f83510ac109b9f1531ac8788584fc5971b80936a30773.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	c3768079ea8c8a3e288f83510ac109b9f1531ac8788584fc5971b80936a30773.exe
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\VideoBiosVersion	c3768079ea8c8a3e288f83510ac109b9f1531ac8788584fc5971b80936a30773.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-1-5-21-869607583-2483572573-2297019986-1000\Software\Wine	c3768079ea8c8a3e288f83510ac109b9f1531ac8788584fc5971b80936a30773.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
5000	c3768079ea8c8a3e288f83510ac109b9f1531ac8788584fc5971b80936a30773.exe

Program crash 1 IoCs

pid	pid_target	Process	procid_target
3544	5000	WerFault.exe	86

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	c3768079ea8c8a3e288f83510ac109b9f1531ac8788584fc5971b80936a30773.exe

Suspicious behavior: EnumeratesProcesses 10 IoCs

pid	Process
5000	c3768079ea8c8a3e288f83510ac109b9f1531ac8788584fc5971b80936a30773.exe
5000	c3768079ea8c8a3e288f83510ac109b9f1531ac8788584fc5971b80936a30773.exe
5000	c3768079ea8c8a3e288f83510ac109b9f1531ac8788584fc5971b80936a30773.exe
5000	c3768079ea8c8a3e288f83510ac109b9f1531ac8788584fc5971b80936a30773.exe
5000	c3768079ea8c8a3e288f83510ac109b9f1531ac8788584fc5971b80936a30773.exe
5000	c3768079ea8c8a3e288f83510ac109b9f1531ac8788584fc5971b80936a30773.exe
5000	c3768079ea8c8a3e288f83510ac109b9f1531ac8788584fc5971b80936a30773.exe
5000	c3768079ea8c8a3e288f83510ac109b9f1531ac8788584fc5971b80936a30773.exe
5000	c3768079ea8c8a3e288f83510ac109b9f1531ac8788584fc5971b80936a30773.exe
5000	c3768079ea8c8a3e288f83510ac109b9f1531ac8788584fc5971b80936a30773.exe

C:\Users\Admin\AppData\Local\Temp\c3768079ea8c8a3e288f83510ac109b9f1531ac8788584fc5971b80936a30773.exe
"C:\Users\Admin\AppData\Local\Temp\c3768079ea8c8a3e288f83510ac109b9f1531ac8788584fc5971b80936a30773.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:5000
- C:\Windows\SysWOW64\WerFault.exe
  C:\Windows\SysWOW64\WerFault.exe -u -p 5000 -s 1132
  2⤵
  - Program crash
  PID:3544

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 408 -p 5000 -ip 5000
1⤵
PID:968

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/5000-0-0x0000000000F40000-0x0000000001D21000-memory.dmp

Filesize
13.9MB

Download
memory/5000-1-0x00000000776C4000-0x00000000776C6000-memory.dmp

Filesize
8KB

Download
memory/5000-2-0x0000000000F41000-0x00000000011DB000-memory.dmp

Filesize
2.6MB

Download
memory/5000-3-0x0000000000F40000-0x0000000001D21000-memory.dmp

Filesize
13.9MB

Download
memory/5000-4-0x0000000000F40000-0x0000000001D21000-memory.dmp

Filesize
13.9MB

Download
memory/5000-5-0x0000000000F40000-0x0000000001D21000-memory.dmp

Filesize
13.9MB

Download
memory/5000-6-0x0000000000F40000-0x0000000001D21000-memory.dmp

Filesize
13.9MB

Download
memory/5000-7-0x0000000000F40000-0x0000000001D21000-memory.dmp

Filesize
13.9MB

Download
memory/5000-9-0x0000000000F40000-0x0000000001D21000-memory.dmp

Filesize
13.9MB

Download
memory/5000-10-0x0000000000F40000-0x0000000001D21000-memory.dmp

Filesize
13.9MB

Download
memory/5000-11-0x0000000000F40000-0x0000000001D21000-memory.dmp

Filesize
13.9MB

Download
memory/5000-12-0x0000000000F40000-0x0000000001D21000-memory.dmp

Filesize
13.9MB

Download
memory/5000-13-0x0000000000F40000-0x0000000001D21000-memory.dmp

Filesize
13.9MB

Download
memory/5000-14-0x0000000000F40000-0x0000000001D21000-memory.dmp

Filesize
13.9MB

Download
memory/5000-15-0x0000000000F40000-0x0000000001D21000-memory.dmp

Filesize
13.9MB

Download
memory/5000-16-0x0000000000F40000-0x0000000001D21000-memory.dmp

Filesize
13.9MB

Download
memory/5000-17-0x0000000000F40000-0x0000000001D21000-memory.dmp

Filesize
13.9MB

Download