cryptbot | e19b4e93fef9da4842269e6b56525234fe2d9f63dbdbde078f95f232203ffa78

General

Target

Sigmanly_e19b4e93fef9da4842269e6b56525234fe2d9f63dbdbde078f95f232203ffa78.exe
Size

4.3MB
MD5

c2d6d6a303bf3d49e1583b88057ee698
SHA1

767f54fba4dc5171d7cdba1835b052b779ae97f3
SHA256

e19b4e93fef9da4842269e6b56525234fe2d9f63dbdbde078f95f232203ffa78
SHA512

90ba16d06fcb2284f2e49d8b3ad220e7411fec48b9bc343bc53d30d64c22e14dc6ee86436c63d05ea5ab41e7afee6d6682e01450f77577d902d12aa2f70a67fc
SSDEEP

98304:4XiGmrJbVboCxSlNDi+R1F8O/9ivWANxWZ:9JJbVS/n7F8RvnWZ

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_e19b4e93fef9da4842269e6b56525234fe2d9f63dbdbde078f95f232203ffa78.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_e19b4e93fef9da4842269e6b56525234fe2d9f63dbdbde078f95f232203ffa78.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_e19b4e93fef9da4842269e6b56525234fe2d9f63dbdbde078f95f232203ffa78.exe
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\VideoBiosVersion	Sigmanly_e19b4e93fef9da4842269e6b56525234fe2d9f63dbdbde078f95f232203ffa78.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-1-5-21-2878641211-696417878-3864914810-1000\Software\Wine	Sigmanly_e19b4e93fef9da4842269e6b56525234fe2d9f63dbdbde078f95f232203ffa78.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
3604	Sigmanly_e19b4e93fef9da4842269e6b56525234fe2d9f63dbdbde078f95f232203ffa78.exe

Program crash 1 IoCs

pid	pid_target	Process	procid_target
2992	3604	WerFault.exe	82

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_e19b4e93fef9da4842269e6b56525234fe2d9f63dbdbde078f95f232203ffa78.exe

Suspicious behavior: EnumeratesProcesses 10 IoCs

pid	Process
3604	Sigmanly_e19b4e93fef9da4842269e6b56525234fe2d9f63dbdbde078f95f232203ffa78.exe
3604	Sigmanly_e19b4e93fef9da4842269e6b56525234fe2d9f63dbdbde078f95f232203ffa78.exe
3604	Sigmanly_e19b4e93fef9da4842269e6b56525234fe2d9f63dbdbde078f95f232203ffa78.exe
3604	Sigmanly_e19b4e93fef9da4842269e6b56525234fe2d9f63dbdbde078f95f232203ffa78.exe
3604	Sigmanly_e19b4e93fef9da4842269e6b56525234fe2d9f63dbdbde078f95f232203ffa78.exe
3604	Sigmanly_e19b4e93fef9da4842269e6b56525234fe2d9f63dbdbde078f95f232203ffa78.exe
3604	Sigmanly_e19b4e93fef9da4842269e6b56525234fe2d9f63dbdbde078f95f232203ffa78.exe
3604	Sigmanly_e19b4e93fef9da4842269e6b56525234fe2d9f63dbdbde078f95f232203ffa78.exe
3604	Sigmanly_e19b4e93fef9da4842269e6b56525234fe2d9f63dbdbde078f95f232203ffa78.exe
3604	Sigmanly_e19b4e93fef9da4842269e6b56525234fe2d9f63dbdbde078f95f232203ffa78.exe

C:\Users\Admin\AppData\Local\Temp\Sigmanly_e19b4e93fef9da4842269e6b56525234fe2d9f63dbdbde078f95f232203ffa78.exe
"C:\Users\Admin\AppData\Local\Temp\Sigmanly_e19b4e93fef9da4842269e6b56525234fe2d9f63dbdbde078f95f232203ffa78.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:3604
- C:\Windows\SysWOW64\WerFault.exe
  C:\Windows\SysWOW64\WerFault.exe -u -p 3604 -s 1136
  2⤵
  - Program crash
  PID:2992

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 432 -p 3604 -ip 3604
1⤵
PID:1824

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/3604-0-0x0000000000DD0000-0x0000000001A0F000-memory.dmp

Filesize
12.2MB

Download
memory/3604-1-0x0000000077CB4000-0x0000000077CB6000-memory.dmp

Filesize
8KB

Download
memory/3604-2-0x0000000000DD1000-0x000000000105A000-memory.dmp

Filesize
2.5MB

Download
memory/3604-3-0x0000000000DD0000-0x0000000001A0F000-memory.dmp

Filesize
12.2MB

Download
memory/3604-4-0x0000000000DD0000-0x0000000001A0F000-memory.dmp

Filesize
12.2MB

Download
memory/3604-5-0x0000000000DD0000-0x0000000001A0F000-memory.dmp

Filesize
12.2MB

Download
memory/3604-6-0x0000000000DD0000-0x0000000001A0F000-memory.dmp

Filesize
12.2MB

Download
memory/3604-7-0x0000000000DD0000-0x0000000001A0F000-memory.dmp

Filesize
12.2MB

Download
memory/3604-8-0x0000000000DD0000-0x0000000001A0F000-memory.dmp

Filesize
12.2MB

Download
memory/3604-9-0x0000000000DD0000-0x0000000001A0F000-memory.dmp

Filesize
12.2MB

Download
memory/3604-10-0x0000000000DD0000-0x0000000001A0F000-memory.dmp

Filesize
12.2MB

Download
memory/3604-11-0x0000000000DD0000-0x0000000001A0F000-memory.dmp

Filesize
12.2MB

Download
memory/3604-12-0x0000000000DD0000-0x0000000001A0F000-memory.dmp

Filesize
12.2MB

Download
memory/3604-13-0x0000000000DD0000-0x0000000001A0F000-memory.dmp

Filesize
12.2MB

Download
memory/3604-14-0x0000000000DD0000-0x0000000001A0F000-memory.dmp

Filesize
12.2MB

Download
memory/3604-15-0x0000000000DD0000-0x0000000001A0F000-memory.dmp

Filesize
12.2MB

Download
memory/3604-16-0x0000000000DD0000-0x0000000001A0F000-memory.dmp

Filesize
12.2MB

Download
memory/3604-17-0x0000000000DD0000-0x0000000001A0F000-memory.dmp

Filesize
12.2MB

Download
memory/3604-18-0x0000000000DD0000-0x0000000001A0F000-memory.dmp

Filesize
12.2MB

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads