cryptbot | a782e6fb792b210e82802ac312542a670a37f4668031418875db91a4c9dfd5be

General

Target

Sigmanly_a782e6fb792b210e82802ac312542a670a37f4668031418875db91a4c9dfd5be.exe
Size

4.3MB
MD5

2115e3fbda695f11af734c24ee699e6d
SHA1

334ace427d9b4e6a95ea977e31c8060c3e3eb54c
SHA256

a782e6fb792b210e82802ac312542a670a37f4668031418875db91a4c9dfd5be
SHA512

7f198dce8e11febbd0240783fcb167852bf61c363c86f9493f7fe229fb600130b7a1697ef168d26f767319d081b4798c8584c3e08ee476483e330e74c9bf6738
SSDEEP

98304:l6K88R3RbvX59VfoLNuqfCxpK4N7URJT6S9Rjf/J8Zvx:lV88fX53foLnqvsN6S/jfKZv

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_a782e6fb792b210e82802ac312542a670a37f4668031418875db91a4c9dfd5be.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_a782e6fb792b210e82802ac312542a670a37f4668031418875db91a4c9dfd5be.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_a782e6fb792b210e82802ac312542a670a37f4668031418875db91a4c9dfd5be.exe
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\VideoBiosVersion	Sigmanly_a782e6fb792b210e82802ac312542a670a37f4668031418875db91a4c9dfd5be.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_a782e6fb792b210e82802ac312542a670a37f4668031418875db91a4c9dfd5be.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
2324	Sigmanly_a782e6fb792b210e82802ac312542a670a37f4668031418875db91a4c9dfd5be.exe

Program crash 1 IoCs

pid	pid_target	Process	procid_target
2492	2324	WerFault.exe	27

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_a782e6fb792b210e82802ac312542a670a37f4668031418875db91a4c9dfd5be.exe

Suspicious behavior: EnumeratesProcesses 6 IoCs

pid	Process
2324	Sigmanly_a782e6fb792b210e82802ac312542a670a37f4668031418875db91a4c9dfd5be.exe
2324	Sigmanly_a782e6fb792b210e82802ac312542a670a37f4668031418875db91a4c9dfd5be.exe
2324	Sigmanly_a782e6fb792b210e82802ac312542a670a37f4668031418875db91a4c9dfd5be.exe
2324	Sigmanly_a782e6fb792b210e82802ac312542a670a37f4668031418875db91a4c9dfd5be.exe
2324	Sigmanly_a782e6fb792b210e82802ac312542a670a37f4668031418875db91a4c9dfd5be.exe
2324	Sigmanly_a782e6fb792b210e82802ac312542a670a37f4668031418875db91a4c9dfd5be.exe

Suspicious use of WriteProcessMemory 4 IoCs

description	pid	Process	procid_target
PID 2324 wrote to memory of 2492	2324	Sigmanly_a782e6fb792b210e82802ac312542a670a37f4668031418875db91a4c9dfd5be.exe	30
PID 2324 wrote to memory of 2492	2324	Sigmanly_a782e6fb792b210e82802ac312542a670a37f4668031418875db91a4c9dfd5be.exe	30
PID 2324 wrote to memory of 2492	2324	Sigmanly_a782e6fb792b210e82802ac312542a670a37f4668031418875db91a4c9dfd5be.exe	30
PID 2324 wrote to memory of 2492	2324	Sigmanly_a782e6fb792b210e82802ac312542a670a37f4668031418875db91a4c9dfd5be.exe	30

C:\Users\Admin\AppData\Local\Temp\Sigmanly_a782e6fb792b210e82802ac312542a670a37f4668031418875db91a4c9dfd5be.exe
"C:\Users\Admin\AppData\Local\Temp\Sigmanly_a782e6fb792b210e82802ac312542a670a37f4668031418875db91a4c9dfd5be.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:2324
- C:\Windows\SysWOW64\WerFault.exe
  C:\Windows\SysWOW64\WerFault.exe -u -p 2324 -s 656
  2⤵
  - Program crash
  PID:2492

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

Replay Monitor

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Downloads

memory/2324-0-0x0000000000800000-0x0000000001431000-memory.dmp

Filesize
12.2MB

Download
memory/2324-1-0x00000000773E0000-0x00000000773E2000-memory.dmp

Filesize
8KB

Download
memory/2324-2-0x0000000000801000-0x0000000000A8A000-memory.dmp

Filesize
2.5MB

Download
memory/2324-3-0x0000000000800000-0x0000000001431000-memory.dmp

Filesize
12.2MB

Download
memory/2324-4-0x0000000000800000-0x0000000001431000-memory.dmp

Filesize
12.2MB

Download
memory/2324-5-0x0000000000800000-0x0000000001431000-memory.dmp

Filesize
12.2MB

Download
memory/2324-6-0x0000000000800000-0x0000000001431000-memory.dmp

Filesize
12.2MB

Download
memory/2324-7-0x0000000000800000-0x0000000001431000-memory.dmp

Filesize
12.2MB

Download
memory/2324-8-0x0000000000800000-0x0000000001431000-memory.dmp

Filesize
12.2MB

Download
memory/2324-9-0x0000000000800000-0x0000000001431000-memory.dmp

Filesize
12.2MB

Download
memory/2324-10-0x0000000000800000-0x0000000001431000-memory.dmp

Filesize
12.2MB

Download
memory/2324-12-0x0000000000800000-0x0000000001431000-memory.dmp

Filesize
12.2MB

Download
memory/2324-13-0x0000000000800000-0x0000000001431000-memory.dmp

Filesize
12.2MB

Download
memory/2324-14-0x0000000000800000-0x0000000001431000-memory.dmp

Filesize
12.2MB

Download
memory/2324-15-0x0000000000800000-0x0000000001431000-memory.dmp

Filesize
12.2MB

Download
memory/2324-16-0x0000000000800000-0x0000000001431000-memory.dmp

Filesize
12.2MB

Download
memory/2324-17-0x0000000000800000-0x0000000001431000-memory.dmp

Filesize
12.2MB

Download
memory/2324-18-0x0000000000800000-0x0000000001431000-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