cryptbot | 43607d4de290ff5e25187bf75d511cc6aaab51727c9a8aedbe59fa7b16393da1

Analysis

max time kernel
300s
max time network
302s
platform
windows7_x64
resource
win7-en-20211014
submitted
22-10-2021 15:20

Sharing

Copy URL

Twitter E-mail

Report Analysis Logs

General

Target

file.exe
Size

428KB
MD5

f05d925a72dc47eef4bdf4c48ce12217
SHA1

1c6a724e4c517ee84aa7c62d0cc60013396a4b5b
SHA256

43607d4de290ff5e25187bf75d511cc6aaab51727c9a8aedbe59fa7b16393da1
SHA512

dfa4661a779508e15907266cf298a093cf7961309637c2ca17b599a5c515ce7e8ae177d1439f390d242dcb85fd5ac99d2f244e881da5666c80e44e62efca817b

Score

10^/10

cryptbot spyware stealer

Malware Config

Extracted

Family

cryptbot

veogmc52.top

mornoi05.top

Attributes

payload_url
http://tynwyl15.top/download.php?file=penwa.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

1468 cmd.exe
Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s). Likely ransomware behaviour.

System Information Discovery
T1082

pid	process
1468	cmd.exe

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:

file.exe

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

Delays execution with timeout.exe 1 IoCs
evasion

Processes:

timeout.exe

pid process

568 timeout.exe

pid	process
568	timeout.exe

Suspicious use of WriteProcessMemory 8 IoCs

Processes:

file.execmd.exe

description	pid	process	target process
PID 948 wrote to memory of 1468	948	file.exe	cmd.exe
PID 948 wrote to memory of 1468	948	file.exe	cmd.exe
PID 948 wrote to memory of 1468	948	file.exe	cmd.exe
PID 948 wrote to memory of 1468	948	file.exe	cmd.exe
PID 1468 wrote to memory of 568	1468	cmd.exe	timeout.exe
PID 1468 wrote to memory of 568	1468	cmd.exe	timeout.exe
PID 1468 wrote to memory of 568	1468	cmd.exe	timeout.exe
PID 1468 wrote to memory of 568	1468	cmd.exe	timeout.exe

C:\Users\Admin\AppData\Local\Temp\file.exe
"C:\Users\Admin\AppData\Local\Temp\file.exe"
1⤵
- Checks processor information in registry
- Suspicious use of WriteProcessMemory
PID:948

C:\Windows\SysWOW64\cmd.exe
"C:\Windows\system32\cmd.exe" /c rd /s /q C:\Users\Admin\AppData\Local\Temp\nTcgJTNDeBcHO & timeout 4 & del /f /q "C:\Users\Admin\AppData\Local\Temp\file.exe"
2⤵
- Deletes itself
- Suspicious use of WriteProcessMemory
PID:1468

C:\Windows\SysWOW64\timeout.exe
timeout 4
3⤵
- Delays execution with timeout.exe
PID:568

MITRE ATT&CK Matrix ATT&CK v6

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Credential Access

Discovery

System Information Discovery

T1082

Query Registry

T1012

Lateral Movement

Collection

Exfiltration

Command and Control

Impact

Replay Monitor

Loading Replay Monitor...

Downloads

memory/568-60-0x0000000000000000-mapping.dmp

Download
memory/948-55-0x00000000009D9000-0x00000000009FE000-memory.dmp

Filesize
148KB

Download
memory/948-56-0x0000000075D31000-0x0000000075D33000-memory.dmp

Filesize
8KB

Download
memory/948-57-0x0000000000220000-0x0000000000265000-memory.dmp

Filesize
276KB

Download
memory/948-58-0x0000000000400000-0x000000000089A000-memory.dmp

Filesize
4.6MB

Download
memory/1468-59-0x0000000000000000-mapping.dmp

Download