cryptbot | 305df52e17cf7e129ece5188cd9bf51102fda9ac812d597c3e29314b06e8b3b8

General

Target
305df52e17cf7e129ece5188cd9bf51102fda9ac812d5.exe
Size 716KB
Sample210514-39fxay6e7e
SHA256 305df52e17cf7e129ece5188cd9bf51102fda9ac812d597c3e29314b06e8b3b8
MD5 3edf30cca0e969d2ba512ffc73d77eb4
SHA1 f6cc5083820a4897fbfb2890568691b12400fb59
SHA512 e50bbe973b796c802a789d0463bad04274d5f81a10e327b731b2c8730d779fb4266a782e59b88d1e590f75038b297873a4ec112097a5873dde3e1e1dd006755e
MD5 SHA1 SHA512

Score

10^/10

cryptbot discovery spyware stealer

Malware Config

Extracted

Family

cryptbot

C2

remeze52.top
morhza05.top

Attributes

payload_url
http://suleqs07.top/download.php?file=lv.exe

Signatures

CryptBot
A C++ stealer distributed widely in bundle with other software.
spyware stealer cryptbot

CryptBot Payload 2 IoCs

resource	yara_rule
behavioral2/memory/740-114-0x0000000002280000-0x0000000002361000-memory.dmp	family_cryptbot
behavioral2/memory/740-115-0x0000000000400000-0x00000000004E5000-memory.dmp	family_cryptbot

Reads user/profile data of web browsers 2 TTPs
Infostealers often target stored browser data, which can include saved credentials etc.
spyware stealer

Data from Local System
T1005

Credentials in Files
T1081
Accesses cryptocurrency files/wallets, possible credential harvesting 2 TTPs
spyware

Data from Local System
T1005

Credentials in Files
T1081
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
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

description	ioc	Process
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0\ProcessorNameString	305df52e17cf7e129ece5188cd9bf51102fda9ac812d5.exe
Key opened	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0	305df52e17cf7e129ece5188cd9bf51102fda9ac812d5.exe

Delays execution with timeout.exe 1 IoCs

evasion

pid	Process
2812	timeout.exe

Suspicious use of FindShellTrayWindow 2 IoCs

pid	Process
740	305df52e17cf7e129ece5188cd9bf51102fda9ac812d5.exe
740	305df52e17cf7e129ece5188cd9bf51102fda9ac812d5.exe

Suspicious use of WriteProcessMemory 6 IoCs

description	pid	Process	procid_target
PID 740 wrote to memory of 744	740	305df52e17cf7e129ece5188cd9bf51102fda9ac812d5.exe	78
PID 740 wrote to memory of 744	740	305df52e17cf7e129ece5188cd9bf51102fda9ac812d5.exe	78
PID 740 wrote to memory of 744	740	305df52e17cf7e129ece5188cd9bf51102fda9ac812d5.exe	78
PID 744 wrote to memory of 2812	744	cmd.exe	80
PID 744 wrote to memory of 2812	744	cmd.exe	80
PID 744 wrote to memory of 2812	744	cmd.exe	80

C:\Users\Admin\AppData\Local\Temp\305df52e17cf7e129ece5188cd9bf51102fda9ac812d5.exe
"C:\Users\Admin\AppData\Local\Temp\305df52e17cf7e129ece5188cd9bf51102fda9ac812d5.exe"
1⤵
- Checks processor information in registry
- Suspicious use of FindShellTrayWindow
- Suspicious use of WriteProcessMemory
PID:740
- C:\Windows\SysWOW64\cmd.exe
  "C:\Windows\system32\cmd.exe" /c rd /s /q C:\Users\Admin\AppData\Local\Temp\wCCQNDkqYw & timeout 3 & del /f /q "C:\Users\Admin\AppData\Local\Temp\305df52e17cf7e129ece5188cd9bf51102fda9ac812d5.exe"
  2⤵
  - Suspicious use of WriteProcessMemory
  PID:744
- - C:\Windows\SysWOW64\timeout.exe
    timeout 3
    3⤵
    - Delays execution with timeout.exe
    PID:2812

Network

MITRE ATT&CK Enterprise v6

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Credential Access

Credentials in Files

2

T1081

Discovery

Query Registry

2

T1012

System Information Discovery

2

T1082

Lateral Movement

Collection

Data from Local System

2

T1005

Command and Control

Exfiltration

Impact

Replay Monitor

Loading Replay Monitor...

Downloads

memory/740-114-0x0000000002280000-0x0000000002361000-memory.dmp

Download

memory/740-115-0x0000000000400000-0x00000000004E5000-memory.dmp