cryptbot | 71bee394da6e85dbc2b1d660dd215346a3a957cf2aba4ab3d505a84f7fb12798

General

Target

Sigmanly_71bee394da6e85dbc2b1d660dd215346a3a957cf2aba4ab3d505a84f7fb12798.exe
Size

4.3MB
MD5

91d22c615a675708fad7ddb68a64cf3f
SHA1

3f83a7beba10482293899728cd505775f250c25f
SHA256

71bee394da6e85dbc2b1d660dd215346a3a957cf2aba4ab3d505a84f7fb12798
SHA512

fc286048549ae455f7379eb622a3b923d0218c9393a6f12b1964e027ffa154514a626aeb67a5cb3d85bc41edca9f0e689b352bcc268e6aa6a80f375944f16656
SSDEEP

98304:amOieu7Ainw0RHGRsjjE7oi/9NDm9JV/8nF8XV+TteZ:amOieIAiFmRsjjMomNDBnbhe

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_71bee394da6e85dbc2b1d660dd215346a3a957cf2aba4ab3d505a84f7fb12798.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_71bee394da6e85dbc2b1d660dd215346a3a957cf2aba4ab3d505a84f7fb12798.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\VideoBiosVersion	Sigmanly_71bee394da6e85dbc2b1d660dd215346a3a957cf2aba4ab3d505a84f7fb12798.exe
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\SystemBiosVersion	Sigmanly_71bee394da6e85dbc2b1d660dd215346a3a957cf2aba4ab3d505a84f7fb12798.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-1-5-21-2045521122-590294423-3465680274-1000\Software\Wine	Sigmanly_71bee394da6e85dbc2b1d660dd215346a3a957cf2aba4ab3d505a84f7fb12798.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
2728	Sigmanly_71bee394da6e85dbc2b1d660dd215346a3a957cf2aba4ab3d505a84f7fb12798.exe

Program crash 1 IoCs

pid	pid_target	Process	procid_target
1620	2728	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_71bee394da6e85dbc2b1d660dd215346a3a957cf2aba4ab3d505a84f7fb12798.exe

Suspicious behavior: EnumeratesProcesses 10 IoCs

pid	Process
2728	Sigmanly_71bee394da6e85dbc2b1d660dd215346a3a957cf2aba4ab3d505a84f7fb12798.exe
2728	Sigmanly_71bee394da6e85dbc2b1d660dd215346a3a957cf2aba4ab3d505a84f7fb12798.exe
2728	Sigmanly_71bee394da6e85dbc2b1d660dd215346a3a957cf2aba4ab3d505a84f7fb12798.exe
2728	Sigmanly_71bee394da6e85dbc2b1d660dd215346a3a957cf2aba4ab3d505a84f7fb12798.exe
2728	Sigmanly_71bee394da6e85dbc2b1d660dd215346a3a957cf2aba4ab3d505a84f7fb12798.exe
2728	Sigmanly_71bee394da6e85dbc2b1d660dd215346a3a957cf2aba4ab3d505a84f7fb12798.exe
2728	Sigmanly_71bee394da6e85dbc2b1d660dd215346a3a957cf2aba4ab3d505a84f7fb12798.exe
2728	Sigmanly_71bee394da6e85dbc2b1d660dd215346a3a957cf2aba4ab3d505a84f7fb12798.exe
2728	Sigmanly_71bee394da6e85dbc2b1d660dd215346a3a957cf2aba4ab3d505a84f7fb12798.exe
2728	Sigmanly_71bee394da6e85dbc2b1d660dd215346a3a957cf2aba4ab3d505a84f7fb12798.exe

C:\Users\Admin\AppData\Local\Temp\Sigmanly_71bee394da6e85dbc2b1d660dd215346a3a957cf2aba4ab3d505a84f7fb12798.exe
"C:\Users\Admin\AppData\Local\Temp\Sigmanly_71bee394da6e85dbc2b1d660dd215346a3a957cf2aba4ab3d505a84f7fb12798.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:2728
- C:\Windows\SysWOW64\WerFault.exe
  C:\Windows\SysWOW64\WerFault.exe -u -p 2728 -s 1124
  2⤵
  - Program crash
  PID:1620

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 408 -p 2728 -ip 2728
1⤵
PID:1904

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/2728-0-0x0000000000C10000-0x0000000001857000-memory.dmp

Filesize
12.3MB

Download
memory/2728-1-0x0000000077A24000-0x0000000077A26000-memory.dmp

Filesize
8KB

Download
memory/2728-2-0x0000000000C11000-0x0000000000E9A000-memory.dmp

Filesize
2.5MB

Download
memory/2728-3-0x0000000000C10000-0x0000000001857000-memory.dmp

Filesize
12.3MB

Download
memory/2728-4-0x0000000000C10000-0x0000000001857000-memory.dmp

Filesize
12.3MB

Download
memory/2728-5-0x0000000000C10000-0x0000000001857000-memory.dmp

Filesize
12.3MB

Download
memory/2728-6-0x0000000000C10000-0x0000000001857000-memory.dmp

Filesize
12.3MB

Download
memory/2728-7-0x0000000000C10000-0x0000000001857000-memory.dmp

Filesize
12.3MB

Download
memory/2728-8-0x0000000000C10000-0x0000000001857000-memory.dmp

Filesize
12.3MB

Download
memory/2728-9-0x0000000000C10000-0x0000000001857000-memory.dmp

Filesize
12.3MB

Download
memory/2728-10-0x0000000000C10000-0x0000000001857000-memory.dmp

Filesize
12.3MB

Download
memory/2728-11-0x0000000000C10000-0x0000000001857000-memory.dmp

Filesize
12.3MB

Download
memory/2728-12-0x0000000000C10000-0x0000000001857000-memory.dmp

Filesize
12.3MB

Download
memory/2728-13-0x0000000000C10000-0x0000000001857000-memory.dmp

Filesize
12.3MB

Download
memory/2728-14-0x0000000000C10000-0x0000000001857000-memory.dmp

Filesize
12.3MB

Download
memory/2728-15-0x0000000000C10000-0x0000000001857000-memory.dmp

Filesize
12.3MB

Download
memory/2728-16-0x0000000000C10000-0x0000000001857000-memory.dmp

Filesize
12.3MB

Download
memory/2728-17-0x0000000000C10000-0x0000000001857000-memory.dmp

Filesize
12.3MB

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads