cryptbot | bb2af2fb0383047e427ce40b100535426c1037778a3e3c713158d02d6ab6c8a2

General

Target

bb2af2fb0383047e427ce40b100535426c1037778a3e3c713158d02d6ab6c8a2_Sigmanly.exe
Size

4.2MB
MD5

fa2b9ef3eedea37bee3f07f9a580ca57
SHA1

886267a5d0287a9e8385aa7337f7c0dfb6e0c3b2
SHA256

bb2af2fb0383047e427ce40b100535426c1037778a3e3c713158d02d6ab6c8a2
SHA512

a5ffb97936a0c9b4451436b9b8d5e433a108ad5c9c70c9bce55e8597e7b76e9d8d0786663f9e535bb313a51a1ed75a482c08dba6ec64eafe46029905ad406f64
SSDEEP

98304:zv6kd7asndqddLBjfGQxzLbSin3lUwwLWzFfZvR:rrVdqTBDGgbcRLWzFH

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	bb2af2fb0383047e427ce40b100535426c1037778a3e3c713158d02d6ab6c8a2_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__	bb2af2fb0383047e427ce40b100535426c1037778a3e3c713158d02d6ab6c8a2_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	bb2af2fb0383047e427ce40b100535426c1037778a3e3c713158d02d6ab6c8a2_Sigmanly.exe
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\VideoBiosVersion	bb2af2fb0383047e427ce40b100535426c1037778a3e3c713158d02d6ab6c8a2_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-1-5-21-1163522206-1469769407-485553996-1000\Software\Wine	bb2af2fb0383047e427ce40b100535426c1037778a3e3c713158d02d6ab6c8a2_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
1720	bb2af2fb0383047e427ce40b100535426c1037778a3e3c713158d02d6ab6c8a2_Sigmanly.exe

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	bb2af2fb0383047e427ce40b100535426c1037778a3e3c713158d02d6ab6c8a2_Sigmanly.exe

Suspicious behavior: EnumeratesProcesses 6 IoCs

pid	Process
1720	bb2af2fb0383047e427ce40b100535426c1037778a3e3c713158d02d6ab6c8a2_Sigmanly.exe
1720	bb2af2fb0383047e427ce40b100535426c1037778a3e3c713158d02d6ab6c8a2_Sigmanly.exe
1720	bb2af2fb0383047e427ce40b100535426c1037778a3e3c713158d02d6ab6c8a2_Sigmanly.exe
1720	bb2af2fb0383047e427ce40b100535426c1037778a3e3c713158d02d6ab6c8a2_Sigmanly.exe
1720	bb2af2fb0383047e427ce40b100535426c1037778a3e3c713158d02d6ab6c8a2_Sigmanly.exe
1720	bb2af2fb0383047e427ce40b100535426c1037778a3e3c713158d02d6ab6c8a2_Sigmanly.exe

C:\Users\Admin\AppData\Local\Temp\bb2af2fb0383047e427ce40b100535426c1037778a3e3c713158d02d6ab6c8a2_Sigmanly.exe
"C:\Users\Admin\AppData\Local\Temp\bb2af2fb0383047e427ce40b100535426c1037778a3e3c713158d02d6ab6c8a2_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
PID:1720

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/1720-0-0x0000000000B90000-0x00000000016E6000-memory.dmp

Filesize
11.3MB

Download
memory/1720-1-0x0000000077120000-0x0000000077122000-memory.dmp

Filesize
8KB

Download
memory/1720-2-0x0000000000B91000-0x0000000000E15000-memory.dmp

Filesize
2.5MB

Download
memory/1720-3-0x0000000000B90000-0x00000000016E6000-memory.dmp

Filesize
11.3MB

Download
memory/1720-4-0x0000000000B90000-0x00000000016E6000-memory.dmp

Filesize
11.3MB

Download
memory/1720-5-0x0000000000B90000-0x00000000016E6000-memory.dmp

Filesize
11.3MB

Download
memory/1720-6-0x0000000000B90000-0x00000000016E6000-memory.dmp

Filesize
11.3MB

Download
memory/1720-7-0x0000000000B90000-0x00000000016E6000-memory.dmp

Filesize
11.3MB

Download
memory/1720-8-0x0000000000B90000-0x00000000016E6000-memory.dmp

Filesize
11.3MB

Download
memory/1720-9-0x0000000000B90000-0x00000000016E6000-memory.dmp

Filesize
11.3MB

Download
memory/1720-10-0x0000000000B90000-0x00000000016E6000-memory.dmp

Filesize
11.3MB

Download
memory/1720-11-0x0000000000B90000-0x00000000016E6000-memory.dmp

Filesize
11.3MB

Download
memory/1720-12-0x0000000000B90000-0x00000000016E6000-memory.dmp

Filesize
11.3MB

Download
memory/1720-13-0x0000000000B90000-0x00000000016E6000-memory.dmp

Filesize
11.3MB

Download
memory/1720-14-0x0000000000B90000-0x00000000016E6000-memory.dmp

Filesize
11.3MB

Download
memory/1720-15-0x0000000000B90000-0x00000000016E6000-memory.dmp

Filesize
11.3MB

Download
memory/1720-16-0x0000000000B90000-0x00000000016E6000-memory.dmp

Filesize
11.3MB

Download
memory/1720-17-0x0000000000B90000-0x00000000016E6000-memory.dmp

Filesize
11.3MB

Download
memory/1720-18-0x0000000000B90000-0x00000000016E6000-memory.dmp

Filesize
11.3MB

Download
memory/1720-19-0x0000000000B90000-0x00000000016E6000-memory.dmp

Filesize
11.3MB

Download
memory/1720-20-0x0000000000B90000-0x00000000016E6000-memory.dmp

Filesize
11.3MB

Download
memory/1720-21-0x0000000000B90000-0x00000000016E6000-memory.dmp

Filesize
11.3MB

Download
memory/1720-22-0x0000000000B90000-0x00000000016E6000-memory.dmp

Filesize
11.3MB

Download
memory/1720-23-0x0000000000B90000-0x00000000016E6000-memory.dmp

Filesize
11.3MB

Download
memory/1720-24-0x0000000000B90000-0x00000000016E6000-memory.dmp

Filesize
11.3MB

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads