cryptbot | af0b1d54f4b625461c6bad67daa6566d1ab2047fee5cf2b81c35b191f044ce9d

General

Target

open__with_Pass__1234.exe
Size

1018KB
MD5

e0e78d14f28a5d23cab7b4dcb86a18a3
SHA1

6a502c655b11c224ae0c75bbfb7c90f5a3281ced
SHA256

af0b1d54f4b625461c6bad67daa6566d1ab2047fee5cf2b81c35b191f044ce9d
SHA512

5c1dd166b003182c93c286a0c87cf72b434075badd8c99ad5f8ca07e6fa36c3aeb1e8027816ebede87ad45b2a885eff8d3d6852dea03d0fb04aeb16580a0e3ef

Score

10^/10

cryptbot spyware stealer

Malware Config

Extracted

Family

cryptbot

C2

zyoouw55.top

morlse05.top

Attributes

payload_url
http://yapome07.top/download.php?file=combir.exe

Signatures

CryptBot
A C++ stealer distributed widely in bundle with other software.
spyware stealer cryptbot
Deletes itself 1 IoCs

Processes:

cmd.exe

pid process

580 cmd.exe

pid	process
580	cmd.exe

Drops file in Windows directory 2 IoCs

Processes:

open__with_Pass__1234.exe

description	ioc	process
File opened for modification	C:\Windows\	open__with_Pass__1234.exe
File opened for modification	C:\Windows\win.ini	open__with_Pass__1234.exe

Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s). Likely ransomware behaviour.

System Information Discovery
T1082

Checks processor information in registry 2 TTPs 2 IoCs

Processor information is often read in order to detect sandboxing environments.

Query Registry

T1012

System Information Discovery

T1082

Processes:

open__with_Pass__1234.exe

description	ioc	process
Key opened	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0	open__with_Pass__1234.exe
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0\ProcessorNameString	open__with_Pass__1234.exe

Delays execution with timeout.exe 1 IoCs
evasion

Processes:

timeout.exe

pid process

756 timeout.exe

pid	process
756	timeout.exe

Suspicious use of WriteProcessMemory 8 IoCs

Processes:

open__with_Pass__1234.execmd.exe

description	pid	process	target process
PID 1912 wrote to memory of 580	1912	open__with_Pass__1234.exe	cmd.exe
PID 1912 wrote to memory of 580	1912	open__with_Pass__1234.exe	cmd.exe
PID 1912 wrote to memory of 580	1912	open__with_Pass__1234.exe	cmd.exe
PID 1912 wrote to memory of 580	1912	open__with_Pass__1234.exe	cmd.exe
PID 580 wrote to memory of 756	580	cmd.exe	timeout.exe
PID 580 wrote to memory of 756	580	cmd.exe	timeout.exe
PID 580 wrote to memory of 756	580	cmd.exe	timeout.exe
PID 580 wrote to memory of 756	580	cmd.exe	timeout.exe

C:\Users\Admin\AppData\Local\Temp\open__with_Pass__1234.exe
"C:\Users\Admin\AppData\Local\Temp\open__with_Pass__1234.exe"
1⤵
- Drops file in Windows directory
- Checks processor information in registry
- Suspicious use of WriteProcessMemory
PID:1912

C:\Windows\SysWOW64\cmd.exe
"C:\Windows\system32\cmd.exe" /c rd /s /q C:\Users\Admin\AppData\Local\Temp\wnJoMBDvt & timeout 4 & del /f /q "C:\Users\Admin\AppData\Local\Temp\open__with_Pass__1234.exe"
2⤵
- Deletes itself
- Suspicious use of WriteProcessMemory
PID:580

C:\Windows\SysWOW64\timeout.exe
timeout 4
3⤵
- Delays execution with timeout.exe
PID:756

MITRE ATT&CK Enterprise v6

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Credential Access

Discovery

Query Registry

1

T1012

System Information Discovery

2

T1082

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

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Downloads

memory/580-57-0x0000000000000000-mapping.dmp

Download
memory/756-58-0x0000000000000000-mapping.dmp

Download
memory/1912-54-0x0000000075F21000-0x0000000075F23000-memory.dmp

Filesize
8KB

Download
memory/1912-56-0x0000000000360000-0x00000000003A8000-memory.dmp

Filesize
288KB

Download
memory/1912-55-0x0000000000220000-0x0000000000221000-memory.dmp

Filesize
4KB

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Enterprise v6

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Downloads