cryptbot | 23569c1720e9dd2b72da3ea832f2a0029c29c8d6b5f3e50caefed0dcbaa605ac

General

Target

Sigmanly_23569c1720e9dd2b72da3ea832f2a0029c29c8d6b5f3e50caefed0dcbaa605ac.exe
Size

4.3MB
MD5

26e7c91d9fb68ef0ce54aabc0465a8b0
SHA1

a2b0aee031cbd7f67d4f86c45354a2715ca0c25c
SHA256

23569c1720e9dd2b72da3ea832f2a0029c29c8d6b5f3e50caefed0dcbaa605ac
SHA512

047adff7d51e812470213b18cb11b9f5ec22e4416f7d6ea9bdfdea39159ae752fcafd5dd94e143b69fbaa4196f2a81e4a7e82843acd9467bb3590eb1ae823edb
SSDEEP

98304:1AIJjZfEYfN71TmUuOXQiItb+6B+s9K+MDYpHMtl7kl:OIJj1EdUuOAFtbfUs9K+T1Mtl7kl

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_23569c1720e9dd2b72da3ea832f2a0029c29c8d6b5f3e50caefed0dcbaa605ac.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_23569c1720e9dd2b72da3ea832f2a0029c29c8d6b5f3e50caefed0dcbaa605ac.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_23569c1720e9dd2b72da3ea832f2a0029c29c8d6b5f3e50caefed0dcbaa605ac.exe
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\SystemBiosVersion	Sigmanly_23569c1720e9dd2b72da3ea832f2a0029c29c8d6b5f3e50caefed0dcbaa605ac.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-1-5-21-3533259084-2542256011-65585152-1000\Software\Wine	Sigmanly_23569c1720e9dd2b72da3ea832f2a0029c29c8d6b5f3e50caefed0dcbaa605ac.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
1036	Sigmanly_23569c1720e9dd2b72da3ea832f2a0029c29c8d6b5f3e50caefed0dcbaa605ac.exe

Program crash 1 IoCs

pid	pid_target	Process	procid_target
2080	1036	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_23569c1720e9dd2b72da3ea832f2a0029c29c8d6b5f3e50caefed0dcbaa605ac.exe

Suspicious behavior: EnumeratesProcesses 6 IoCs

pid	Process
1036	Sigmanly_23569c1720e9dd2b72da3ea832f2a0029c29c8d6b5f3e50caefed0dcbaa605ac.exe
1036	Sigmanly_23569c1720e9dd2b72da3ea832f2a0029c29c8d6b5f3e50caefed0dcbaa605ac.exe
1036	Sigmanly_23569c1720e9dd2b72da3ea832f2a0029c29c8d6b5f3e50caefed0dcbaa605ac.exe
1036	Sigmanly_23569c1720e9dd2b72da3ea832f2a0029c29c8d6b5f3e50caefed0dcbaa605ac.exe
1036	Sigmanly_23569c1720e9dd2b72da3ea832f2a0029c29c8d6b5f3e50caefed0dcbaa605ac.exe
1036	Sigmanly_23569c1720e9dd2b72da3ea832f2a0029c29c8d6b5f3e50caefed0dcbaa605ac.exe

Suspicious use of WriteProcessMemory 4 IoCs

description	pid	Process	procid_target
PID 1036 wrote to memory of 2080	1036	Sigmanly_23569c1720e9dd2b72da3ea832f2a0029c29c8d6b5f3e50caefed0dcbaa605ac.exe	31
PID 1036 wrote to memory of 2080	1036	Sigmanly_23569c1720e9dd2b72da3ea832f2a0029c29c8d6b5f3e50caefed0dcbaa605ac.exe	31
PID 1036 wrote to memory of 2080	1036	Sigmanly_23569c1720e9dd2b72da3ea832f2a0029c29c8d6b5f3e50caefed0dcbaa605ac.exe	31
PID 1036 wrote to memory of 2080	1036	Sigmanly_23569c1720e9dd2b72da3ea832f2a0029c29c8d6b5f3e50caefed0dcbaa605ac.exe	31

C:\Users\Admin\AppData\Local\Temp\Sigmanly_23569c1720e9dd2b72da3ea832f2a0029c29c8d6b5f3e50caefed0dcbaa605ac.exe
"C:\Users\Admin\AppData\Local\Temp\Sigmanly_23569c1720e9dd2b72da3ea832f2a0029c29c8d6b5f3e50caefed0dcbaa605ac.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:1036
- C:\Windows\SysWOW64\WerFault.exe
  C:\Windows\SysWOW64\WerFault.exe -u -p 1036 -s 656
  2⤵
  - Program crash
  PID:2080

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/1036-0-0x0000000000820000-0x0000000001461000-memory.dmp

Filesize
12.3MB

Download
memory/1036-1-0x0000000077E70000-0x0000000077E72000-memory.dmp

Filesize
8KB

Download
memory/1036-2-0x0000000000821000-0x0000000000AAA000-memory.dmp

Filesize
2.5MB

Download
memory/1036-3-0x0000000000820000-0x0000000001461000-memory.dmp

Filesize
12.3MB

Download
memory/1036-4-0x0000000000820000-0x0000000001461000-memory.dmp

Filesize
12.3MB

Download
memory/1036-5-0x0000000000820000-0x0000000001461000-memory.dmp

Filesize
12.3MB

Download
memory/1036-6-0x0000000000820000-0x0000000001461000-memory.dmp

Filesize
12.3MB

Download
memory/1036-7-0x0000000000820000-0x0000000001461000-memory.dmp

Filesize
12.3MB

Download
memory/1036-8-0x0000000000820000-0x0000000001461000-memory.dmp

Filesize
12.3MB

Download
memory/1036-9-0x0000000000820000-0x0000000001461000-memory.dmp

Filesize
12.3MB

Download
memory/1036-10-0x0000000000820000-0x0000000001461000-memory.dmp

Filesize
12.3MB

Download
memory/1036-11-0x0000000000820000-0x0000000001461000-memory.dmp

Filesize
12.3MB

Download
memory/1036-12-0x0000000000820000-0x0000000001461000-memory.dmp

Filesize
12.3MB

Download
memory/1036-13-0x0000000000820000-0x0000000001461000-memory.dmp

Filesize
12.3MB

Download
memory/1036-14-0x0000000000820000-0x0000000001461000-memory.dmp

Filesize
12.3MB

Download
memory/1036-15-0x0000000000820000-0x0000000001461000-memory.dmp

Filesize
12.3MB

Download
memory/1036-16-0x0000000000820000-0x0000000001461000-memory.dmp

Filesize
12.3MB

Download
memory/1036-17-0x0000000000820000-0x0000000001461000-memory.dmp

Filesize
12.3MB

Download
memory/1036-18-0x0000000000820000-0x0000000001461000-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