cryptbot | 126f515316ff7d1be06266adcbbd565f18437b293b690765dcf55f500cb048e0

Analysis

max time kernel
147s
max time network
149s
platform
windows10_x64
resource
win10v20201028
submitted
30-03-2021 07:15

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General

Target

fcf7a9f612586c76b3597985dc5e2b79.exe
Size

637KB
MD5

fcf7a9f612586c76b3597985dc5e2b79
SHA1

4a75e27a1ed940a6f27f5f2bf316f7ebf95b0858
SHA256

126f515316ff7d1be06266adcbbd565f18437b293b690765dcf55f500cb048e0
SHA512

4b6d124d27599559f84eb340d3cd7cb577bb9ed6c86306d03c26e3c9a61f5a5a1d9b4e849305ab40cb2f79e3d23215c3081262c68bde4d028abed1bbe44719cb

Score

10^/10

cryptbot discovery spyware stealer

Malware Config

Extracted

Family

cryptbot

bavyf72.top

moriol07.top

Attributes

payload_url
http://akshj10.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

Processes:

resource	yara_rule
behavioral2/memory/496-4-0x0000000000400000-0x00000000004E3000-memory.dmp	family_cryptbot
behavioral2/memory/496-3-0x0000000002590000-0x000000000266F000-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

Processes:

fcf7a9f612586c76b3597985dc5e2b79.exe

description	ioc	process
Key opened	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0	fcf7a9f612586c76b3597985dc5e2b79.exe
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0\ProcessorNameString	fcf7a9f612586c76b3597985dc5e2b79.exe

Suspicious use of FindShellTrayWindow 2 IoCs

Processes:

fcf7a9f612586c76b3597985dc5e2b79.exe

pid process

496 fcf7a9f612586c76b3597985dc5e2b79.exe
496 fcf7a9f612586c76b3597985dc5e2b79.exe

pid	process
496	fcf7a9f612586c76b3597985dc5e2b79.exe
496	fcf7a9f612586c76b3597985dc5e2b79.exe

C:\Users\Admin\AppData\Local\Temp\fcf7a9f612586c76b3597985dc5e2b79.exe
"C:\Users\Admin\AppData\Local\Temp\fcf7a9f612586c76b3597985dc5e2b79.exe"
1⤵
- Checks processor information in registry
- Suspicious use of FindShellTrayWindow
PID:496

Network

MITRE ATT&CK Matrix ATT&CK v6

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Credential Access

Credentials in Files

T1081

Discovery

Query Registry

T1012

System Information Discovery

T1082

Lateral Movement

Collection

Data from Local System

T1005

Exfiltration

Command and Control

Impact

Replay Monitor

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Downloads

memory/496-2-0x00000000026B0000-0x00000000026B1000-memory.dmp

Filesize
4KB

Download
memory/496-4-0x0000000000400000-0x00000000004E3000-memory.dmp

Filesize
908KB

Download
memory/496-3-0x0000000002590000-0x000000000266F000-memory.dmp

Filesize
892KB

Download