cryptbot | 85b5d57cad412bcc5921e20d965120f850769b547fc9e63c2a0f1a18f12f7867

General

Target

Sigmanly_85b5d57cad412bcc5921e20d965120f850769b547fc9e63c2a0f1a18f12f7867.exe
Size

4.3MB
MD5

75f83958dc211ddd4dfed631aed3aafa
SHA1

b47b4351e5be4bc3830ca73454ee8be8f4f32beb
SHA256

85b5d57cad412bcc5921e20d965120f850769b547fc9e63c2a0f1a18f12f7867
SHA512

ee8f783396c0419f6af4f3148ae91c994c084998ad499ace665c40053661cdb7b0d3f5d7c5d04ee18c4e84889b2944ae1dfc637a9d19f4271634a02c18b4b084
SSDEEP

49152:F3IsqIWhmytT6yGQJLB3p85cVUaRp2HeauaziONsTybSgbBRV/uiGisa0ZZM48YS:Ffqb9eyJlr7V/qXiTyW04zAvyWJV0Z

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_85b5d57cad412bcc5921e20d965120f850769b547fc9e63c2a0f1a18f12f7867.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_85b5d57cad412bcc5921e20d965120f850769b547fc9e63c2a0f1a18f12f7867.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_85b5d57cad412bcc5921e20d965120f850769b547fc9e63c2a0f1a18f12f7867.exe
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\VideoBiosVersion	Sigmanly_85b5d57cad412bcc5921e20d965120f850769b547fc9e63c2a0f1a18f12f7867.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	Sigmanly_85b5d57cad412bcc5921e20d965120f850769b547fc9e63c2a0f1a18f12f7867.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
2312	Sigmanly_85b5d57cad412bcc5921e20d965120f850769b547fc9e63c2a0f1a18f12f7867.exe

Program crash 1 IoCs

pid	pid_target	Process	procid_target
2676	2312	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_85b5d57cad412bcc5921e20d965120f850769b547fc9e63c2a0f1a18f12f7867.exe

Suspicious behavior: EnumeratesProcesses 6 IoCs

pid	Process
2312	Sigmanly_85b5d57cad412bcc5921e20d965120f850769b547fc9e63c2a0f1a18f12f7867.exe
2312	Sigmanly_85b5d57cad412bcc5921e20d965120f850769b547fc9e63c2a0f1a18f12f7867.exe
2312	Sigmanly_85b5d57cad412bcc5921e20d965120f850769b547fc9e63c2a0f1a18f12f7867.exe
2312	Sigmanly_85b5d57cad412bcc5921e20d965120f850769b547fc9e63c2a0f1a18f12f7867.exe
2312	Sigmanly_85b5d57cad412bcc5921e20d965120f850769b547fc9e63c2a0f1a18f12f7867.exe
2312	Sigmanly_85b5d57cad412bcc5921e20d965120f850769b547fc9e63c2a0f1a18f12f7867.exe

Suspicious use of WriteProcessMemory 4 IoCs

description	pid	Process	procid_target
PID 2312 wrote to memory of 2676	2312	Sigmanly_85b5d57cad412bcc5921e20d965120f850769b547fc9e63c2a0f1a18f12f7867.exe	31
PID 2312 wrote to memory of 2676	2312	Sigmanly_85b5d57cad412bcc5921e20d965120f850769b547fc9e63c2a0f1a18f12f7867.exe	31
PID 2312 wrote to memory of 2676	2312	Sigmanly_85b5d57cad412bcc5921e20d965120f850769b547fc9e63c2a0f1a18f12f7867.exe	31
PID 2312 wrote to memory of 2676	2312	Sigmanly_85b5d57cad412bcc5921e20d965120f850769b547fc9e63c2a0f1a18f12f7867.exe	31

C:\Users\Admin\AppData\Local\Temp\Sigmanly_85b5d57cad412bcc5921e20d965120f850769b547fc9e63c2a0f1a18f12f7867.exe
"C:\Users\Admin\AppData\Local\Temp\Sigmanly_85b5d57cad412bcc5921e20d965120f850769b547fc9e63c2a0f1a18f12f7867.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:2312
- C:\Windows\SysWOW64\WerFault.exe
  C:\Windows\SysWOW64\WerFault.exe -u -p 2312 -s 656
  2⤵
  - Program crash
  PID:2676

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/2312-0-0x0000000001200000-0x0000000001E40000-memory.dmp

Filesize
12.2MB

Download
memory/2312-1-0x0000000077AD0000-0x0000000077AD2000-memory.dmp

Filesize
8KB

Download
memory/2312-2-0x0000000001201000-0x000000000148A000-memory.dmp

Filesize
2.5MB

Download
memory/2312-3-0x0000000001200000-0x0000000001E40000-memory.dmp

Filesize
12.2MB

Download
memory/2312-4-0x0000000001200000-0x0000000001E40000-memory.dmp

Filesize
12.2MB

Download
memory/2312-5-0x0000000001200000-0x0000000001E40000-memory.dmp

Filesize
12.2MB

Download
memory/2312-6-0x0000000001200000-0x0000000001E40000-memory.dmp

Filesize
12.2MB

Download
memory/2312-7-0x0000000001200000-0x0000000001E40000-memory.dmp

Filesize
12.2MB

Download
memory/2312-8-0x0000000001200000-0x0000000001E40000-memory.dmp

Filesize
12.2MB

Download
memory/2312-9-0x0000000001200000-0x0000000001E40000-memory.dmp

Filesize
12.2MB

Download
memory/2312-11-0x0000000001200000-0x0000000001E40000-memory.dmp

Filesize
12.2MB

Download
memory/2312-12-0x0000000001200000-0x0000000001E40000-memory.dmp

Filesize
12.2MB

Download
memory/2312-13-0x0000000001200000-0x0000000001E40000-memory.dmp

Filesize
12.2MB

Download
memory/2312-14-0x0000000001200000-0x0000000001E40000-memory.dmp

Filesize
12.2MB

Download
memory/2312-15-0x0000000001200000-0x0000000001E40000-memory.dmp

Filesize
12.2MB

Download
memory/2312-16-0x0000000001200000-0x0000000001E40000-memory.dmp

Filesize
12.2MB

Download
memory/2312-17-0x0000000001200000-0x0000000001E40000-memory.dmp

Filesize
12.2MB

Download
memory/2312-18-0x0000000001200000-0x0000000001E40000-memory.dmp

Filesize
12.2MB

Download
memory/2312-19-0x0000000001200000-0x0000000001E40000-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