cryptbot | 0924a04e22be1339356c24b69b2e75516c56b0b23aa500e9068b9c28c54dd5b9

General

Target

0924a04e22be1339356c24b69b2e75516c56b0b23aa500e9068b9c28c54dd5b9_Sigmanly.exe
Size

4.3MB
MD5

84e0e622857460da96501532a233c862
SHA1

a83b246ef32b7a66a8cbbc54edd3bb667f956b9b
SHA256

0924a04e22be1339356c24b69b2e75516c56b0b23aa500e9068b9c28c54dd5b9
SHA512

db686ccaa7ed5c1707f18a9482257ad1b1f9101be0d3e975b4aa18f6eec5ed1860aa881b21f9c8265a0ac58c39becf433fff98de874c364b9953eb542f12d1ce
SSDEEP

98304:Sbmf0HEYlXEh8T9Vp33Jp5JdJ9PRpyOnb+tQUAFPJNpzBgyX2+HlDuAw8TV:MrkYtK8Z33ZpX3tndnqCPDFGW2UUMp

Score

10^/10

cryptbot discovery evasion spyware stealer

Malware Config

Extracted

Family

cryptbot

C2

http://home.fivetk5vt.top/hLfzXsaqNtoEGyaUtOMJ1734

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	0924a04e22be1339356c24b69b2e75516c56b0b23aa500e9068b9c28c54dd5b9_Sigmanly.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__	0924a04e22be1339356c24b69b2e75516c56b0b23aa500e9068b9c28c54dd5b9_Sigmanly.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	0924a04e22be1339356c24b69b2e75516c56b0b23aa500e9068b9c28c54dd5b9_Sigmanly.exe
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\VideoBiosVersion	0924a04e22be1339356c24b69b2e75516c56b0b23aa500e9068b9c28c54dd5b9_Sigmanly.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-1-5-21-3290804112-2823094203-3137964600-1000\Software\Wine	0924a04e22be1339356c24b69b2e75516c56b0b23aa500e9068b9c28c54dd5b9_Sigmanly.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
1732	0924a04e22be1339356c24b69b2e75516c56b0b23aa500e9068b9c28c54dd5b9_Sigmanly.exe

Program crash 1 IoCs

pid	pid_target	Process	procid_target
1796	1732	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	0924a04e22be1339356c24b69b2e75516c56b0b23aa500e9068b9c28c54dd5b9_Sigmanly.exe

Suspicious behavior: EnumeratesProcesses 6 IoCs

pid	Process
1732	0924a04e22be1339356c24b69b2e75516c56b0b23aa500e9068b9c28c54dd5b9_Sigmanly.exe
1732	0924a04e22be1339356c24b69b2e75516c56b0b23aa500e9068b9c28c54dd5b9_Sigmanly.exe
1732	0924a04e22be1339356c24b69b2e75516c56b0b23aa500e9068b9c28c54dd5b9_Sigmanly.exe
1732	0924a04e22be1339356c24b69b2e75516c56b0b23aa500e9068b9c28c54dd5b9_Sigmanly.exe
1732	0924a04e22be1339356c24b69b2e75516c56b0b23aa500e9068b9c28c54dd5b9_Sigmanly.exe
1732	0924a04e22be1339356c24b69b2e75516c56b0b23aa500e9068b9c28c54dd5b9_Sigmanly.exe

Suspicious use of WriteProcessMemory 4 IoCs

description	pid	Process	procid_target
PID 1732 wrote to memory of 1796	1732	0924a04e22be1339356c24b69b2e75516c56b0b23aa500e9068b9c28c54dd5b9_Sigmanly.exe	31
PID 1732 wrote to memory of 1796	1732	0924a04e22be1339356c24b69b2e75516c56b0b23aa500e9068b9c28c54dd5b9_Sigmanly.exe	31
PID 1732 wrote to memory of 1796	1732	0924a04e22be1339356c24b69b2e75516c56b0b23aa500e9068b9c28c54dd5b9_Sigmanly.exe	31
PID 1732 wrote to memory of 1796	1732	0924a04e22be1339356c24b69b2e75516c56b0b23aa500e9068b9c28c54dd5b9_Sigmanly.exe	31

C:\Users\Admin\AppData\Local\Temp\0924a04e22be1339356c24b69b2e75516c56b0b23aa500e9068b9c28c54dd5b9_Sigmanly.exe
"C:\Users\Admin\AppData\Local\Temp\0924a04e22be1339356c24b69b2e75516c56b0b23aa500e9068b9c28c54dd5b9_Sigmanly.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:1732
- C:\Windows\SysWOW64\WerFault.exe
  C:\Windows\SysWOW64\WerFault.exe -u -p 1732 -s 652
  2⤵
  - Program crash
  PID:1796

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

Replay Monitor

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Downloads

memory/1732-0-0x0000000000B80000-0x0000000001774000-memory.dmp

Filesize
12.0MB

Download
memory/1732-1-0x00000000770E0000-0x00000000770E2000-memory.dmp

Filesize
8KB

Download
memory/1732-2-0x0000000000B81000-0x0000000000E06000-memory.dmp

Filesize
2.5MB

Download
memory/1732-3-0x0000000000B80000-0x0000000001774000-memory.dmp

Filesize
12.0MB

Download
memory/1732-4-0x0000000000B80000-0x0000000001774000-memory.dmp

Filesize
12.0MB

Download
memory/1732-5-0x0000000000B80000-0x0000000001774000-memory.dmp

Filesize
12.0MB

Download
memory/1732-6-0x0000000000B80000-0x0000000001774000-memory.dmp

Filesize
12.0MB

Download
memory/1732-7-0x0000000000B80000-0x0000000001774000-memory.dmp

Filesize
12.0MB

Download
memory/1732-8-0x0000000000B80000-0x0000000001774000-memory.dmp

Filesize
12.0MB

Download
memory/1732-9-0x0000000000B80000-0x0000000001774000-memory.dmp

Filesize
12.0MB

Download
memory/1732-10-0x0000000000B80000-0x0000000001774000-memory.dmp

Filesize
12.0MB

Download
memory/1732-11-0x0000000000B80000-0x0000000001774000-memory.dmp

Filesize
12.0MB

Download
memory/1732-12-0x0000000000B80000-0x0000000001774000-memory.dmp

Filesize
12.0MB

Download
memory/1732-13-0x0000000000B80000-0x0000000001774000-memory.dmp

Filesize
12.0MB

Download
memory/1732-14-0x0000000000B80000-0x0000000001774000-memory.dmp

Filesize
12.0MB

Download
memory/1732-15-0x0000000000B80000-0x0000000001774000-memory.dmp

Filesize
12.0MB

Download
memory/1732-17-0x0000000000B80000-0x0000000001774000-memory.dmp

Filesize
12.0MB

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads