cryptbot | bad2c4c499a3bb89e8098f5fe7b43cdb248d6e70bb23a07de1ebb83fac880175

General

Target

Sigmanly_bad2c4c499a3bb89e8098f5fe7b43cdb248d6e70bb23a07de1ebb83fac880175.exe
Size

4.2MB
MD5

5fad6c65b553ca73463694390e2f9301
SHA1

7a624d02450205c7a89d6397979486873b47be39
SHA256

bad2c4c499a3bb89e8098f5fe7b43cdb248d6e70bb23a07de1ebb83fac880175
SHA512

a8c971d1434c65dc0ee32fca2b4521ca1f86b1784b75fbef557fca7174fa0344204fd9512212dd4c8214a1d6f103c7f955df60eba13bc45a27e8ad844a391c47
SSDEEP

98304:kqfzsA9ZrTeQtxk/DZvun9EaAN8rvlEUOm+ZpvM5xevOH:kqwA9RTIDp8ma9NkPpk5o0

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	Sigmanly_bad2c4c499a3bb89e8098f5fe7b43cdb248d6e70bb23a07de1ebb83fac880175.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__	Sigmanly_bad2c4c499a3bb89e8098f5fe7b43cdb248d6e70bb23a07de1ebb83fac880175.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	Sigmanly_bad2c4c499a3bb89e8098f5fe7b43cdb248d6e70bb23a07de1ebb83fac880175.exe
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\VideoBiosVersion	Sigmanly_bad2c4c499a3bb89e8098f5fe7b43cdb248d6e70bb23a07de1ebb83fac880175.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-1-5-21-3063565911-2056067323-3330884624-1000\Software\Wine	Sigmanly_bad2c4c499a3bb89e8098f5fe7b43cdb248d6e70bb23a07de1ebb83fac880175.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
2520	Sigmanly_bad2c4c499a3bb89e8098f5fe7b43cdb248d6e70bb23a07de1ebb83fac880175.exe

Program crash 1 IoCs

pid	pid_target	Process	procid_target
568	2520	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	Sigmanly_bad2c4c499a3bb89e8098f5fe7b43cdb248d6e70bb23a07de1ebb83fac880175.exe

Suspicious behavior: EnumeratesProcesses 6 IoCs

pid	Process
2520	Sigmanly_bad2c4c499a3bb89e8098f5fe7b43cdb248d6e70bb23a07de1ebb83fac880175.exe
2520	Sigmanly_bad2c4c499a3bb89e8098f5fe7b43cdb248d6e70bb23a07de1ebb83fac880175.exe
2520	Sigmanly_bad2c4c499a3bb89e8098f5fe7b43cdb248d6e70bb23a07de1ebb83fac880175.exe
2520	Sigmanly_bad2c4c499a3bb89e8098f5fe7b43cdb248d6e70bb23a07de1ebb83fac880175.exe
2520	Sigmanly_bad2c4c499a3bb89e8098f5fe7b43cdb248d6e70bb23a07de1ebb83fac880175.exe
2520	Sigmanly_bad2c4c499a3bb89e8098f5fe7b43cdb248d6e70bb23a07de1ebb83fac880175.exe

Suspicious use of WriteProcessMemory 4 IoCs

description	pid	Process	procid_target
PID 2520 wrote to memory of 568	2520	Sigmanly_bad2c4c499a3bb89e8098f5fe7b43cdb248d6e70bb23a07de1ebb83fac880175.exe	31
PID 2520 wrote to memory of 568	2520	Sigmanly_bad2c4c499a3bb89e8098f5fe7b43cdb248d6e70bb23a07de1ebb83fac880175.exe	31
PID 2520 wrote to memory of 568	2520	Sigmanly_bad2c4c499a3bb89e8098f5fe7b43cdb248d6e70bb23a07de1ebb83fac880175.exe	31
PID 2520 wrote to memory of 568	2520	Sigmanly_bad2c4c499a3bb89e8098f5fe7b43cdb248d6e70bb23a07de1ebb83fac880175.exe	31

C:\Users\Admin\AppData\Local\Temp\Sigmanly_bad2c4c499a3bb89e8098f5fe7b43cdb248d6e70bb23a07de1ebb83fac880175.exe
"C:\Users\Admin\AppData\Local\Temp\Sigmanly_bad2c4c499a3bb89e8098f5fe7b43cdb248d6e70bb23a07de1ebb83fac880175.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:2520
- C:\Windows\SysWOW64\WerFault.exe
  C:\Windows\SysWOW64\WerFault.exe -u -p 2520 -s 652
  2⤵
  - Program crash
  PID:568

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/2520-0-0x00000000008B0000-0x00000000014BF000-memory.dmp

Filesize
12.1MB

Download
memory/2520-1-0x0000000077280000-0x0000000077282000-memory.dmp

Filesize
8KB

Download
memory/2520-2-0x00000000008B1000-0x0000000000B3A000-memory.dmp

Filesize
2.5MB

Download
memory/2520-3-0x00000000008B0000-0x00000000014BF000-memory.dmp

Filesize
12.1MB

Download
memory/2520-4-0x00000000008B0000-0x00000000014BF000-memory.dmp

Filesize
12.1MB

Download
memory/2520-5-0x00000000008B0000-0x00000000014BF000-memory.dmp

Filesize
12.1MB

Download
memory/2520-6-0x00000000008B0000-0x00000000014BF000-memory.dmp

Filesize
12.1MB

Download
memory/2520-7-0x00000000008B0000-0x00000000014BF000-memory.dmp

Filesize
12.1MB

Download
memory/2520-8-0x00000000008B0000-0x00000000014BF000-memory.dmp

Filesize
12.1MB

Download
memory/2520-9-0x00000000008B0000-0x00000000014BF000-memory.dmp

Filesize
12.1MB

Download
memory/2520-10-0x00000000008B0000-0x00000000014BF000-memory.dmp

Filesize
12.1MB

Download
memory/2520-11-0x00000000008B0000-0x00000000014BF000-memory.dmp

Filesize
12.1MB

Download
memory/2520-12-0x00000000008B0000-0x00000000014BF000-memory.dmp

Filesize
12.1MB

Download
memory/2520-13-0x00000000008B0000-0x00000000014BF000-memory.dmp

Filesize
12.1MB

Download
memory/2520-14-0x00000000008B0000-0x00000000014BF000-memory.dmp

Filesize
12.1MB

Download
memory/2520-15-0x00000000008B0000-0x00000000014BF000-memory.dmp

Filesize
12.1MB

Download
memory/2520-16-0x00000000008B0000-0x00000000014BF000-memory.dmp

Filesize
12.1MB

Download
memory/2520-17-0x00000000008B0000-0x00000000014BF000-memory.dmp

Filesize
12.1MB

Download
memory/2520-18-0x00000000008B0000-0x00000000014BF000-memory.dmp

Filesize
12.1MB

Download
memory/2520-19-0x00000000008B0000-0x00000000014BF000-memory.dmp

Filesize
12.1MB

Download
memory/2520-20-0x00000000008B0000-0x00000000014BF000-memory.dmp

Filesize
12.1MB

Download
memory/2520-21-0x00000000008B0000-0x00000000014BF000-memory.dmp

Filesize
12.1MB

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads