cryptbot | 638dd1f701aec57c51765e330c7c4664d8913cb3d0e54bb1c102bdbe30452ecc

General

Target

file.exe
Size

6.4MB
MD5

4475bfcbfea874adedc1a2818afe4c87
SHA1

607ec3e9578f6ea4ee0059911d8170ca84d5f78d
SHA256

638dd1f701aec57c51765e330c7c4664d8913cb3d0e54bb1c102bdbe30452ecc
SHA512

1e8cd4b64693defe44b811e92fce83f6a6b52e4d9c7ec6e9eb9aa70d6a2ef357882b646d93d0e3b3bbb7543731a260e7c69a5aa4c061d36b7540f6dbd3f745d1
SSDEEP

49152:6T1zbh2PpBi97YhGFuwa6ogSsvE1tSvdPH3LnasvrDtf67VKnO6K6+1SUNiMfk3h:4aXs8ytf6Qx/+WMfBgFfHkQ4/U67eps4

Score

10^/10

cryptbot credential_access discovery spyware stealer

Malware Config

Extracted

Family

cryptbot

C2

fivevd5vs.top

analforeverlovyu.top

Attributes

url_path
/v1/upload.php

Signatures

CryptBot
CryptBot is a C++ stealer distributed widely in bundle with other software.
spyware stealer cryptbot
Credentials from Password Stores: Credentials from Web Browsers 1 TTPs
Malicious Access or copy of Web Browser Credential store.
credential_access stealer

Credentials from Web Browsers
T1555.003

Checks computer location settings 2 TTPs 1 IoCs

Looks up country code configured in the registry, likely geofence.

Query Registry

T1012

System Information Discovery

T1082

description	ioc	Process
Key value queried	\REGISTRY\USER\S-1-5-21-1302416131-1437503476-2806442725-1000\Control Panel\International\Geo\Nation	file.exe

Executes dropped EXE 3 IoCs

pid	Process
4844	service123.exe
2116	service123.exe
3628	service123.exe

Loads dropped DLL 3 IoCs

pid	Process
4844	service123.exe
2116	service123.exe
3628	service123.exe

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
T1552.001
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).

System Information Discovery
T1082

System Location Discovery: System Language Discovery 1 TTPs 3 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	file.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	service123.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	schtasks.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

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

Scheduled Task/Job: Scheduled Task 1 TTPs 1 IoCs

Schtasks is often used by malware for persistence or to perform post-infection execution.

persistence execution

Scheduled Task

T1053.005

pid	Process
348	schtasks.exe

Suspicious use of WriteProcessMemory 6 IoCs

description	pid	Process	procid_target
PID 1612 wrote to memory of 4844	1612	file.exe	91
PID 1612 wrote to memory of 4844	1612	file.exe	91
PID 1612 wrote to memory of 4844	1612	file.exe	91
PID 1612 wrote to memory of 348	1612	file.exe	92
PID 1612 wrote to memory of 348	1612	file.exe	92
PID 1612 wrote to memory of 348	1612	file.exe	92

C:\Users\Admin\AppData\Local\Temp\file.exe
"C:\Users\Admin\AppData\Local\Temp\file.exe"
1⤵
- Checks computer location settings
- System Location Discovery: System Language Discovery
- Checks processor information in registry
- Suspicious use of WriteProcessMemory
PID:1612
- C:\Users\Admin\AppData\Local\Temp\service123.exe
  "C:\Users\Admin\AppData\Local\Temp\service123.exe"
  2⤵
  - Executes dropped EXE
  - Loads dropped DLL
  - System Location Discovery: System Language Discovery
  PID:4844
- C:\Windows\SysWOW64\schtasks.exe
  "C:\Windows\System32\schtasks.exe" /create /tn "ServiceData4" /tr "C:\Users\Admin\AppData\Local\Temp\/service123.exe" /st 00:01 /du 9800:59 /sc once /ri 1 /f
  2⤵
  - System Location Discovery: System Language Discovery
  - Scheduled Task/Job: Scheduled Task
  PID:348

C:\Users\Admin\AppData\Local\Temp\service123.exe
C:\Users\Admin\AppData\Local\Temp\/service123.exe
1⤵
- Executes dropped EXE
- Loads dropped DLL
PID:2116

C:\Users\Admin\AppData\Local\Temp\service123.exe
C:\Users\Admin\AppData\Local\Temp\/service123.exe
1⤵
- Executes dropped EXE
- Loads dropped DLL
PID:3628

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Scheduled Task/Job

1

T1053

Scheduled Task

1

T1053.005

Persistence

Scheduled Task/Job

1

T1053

Scheduled Task

1

T1053.005

Privilege Escalation

Scheduled Task/Job

1

T1053

Scheduled Task

1

T1053.005

Defense Evasion

Credential Access

Credentials from Password Stores

1

T1555

Credentials from Web Browsers

1

T1555.003

Unsecured Credentials

1

T1552

Credentials In Files

1

T1552.001

Discovery

Query Registry

3

T1012

System Information Discovery

3

T1082

System Location Discovery

1

T1614

System Language Discovery

1

T1614.001

Lateral Movement

Collection

Data from Local System

1

T1005

Command and Control

Exfiltration

Impact

Replay Monitor

Loading Replay Monitor...

Downloads

memory/1612-0-0x0000000000400000-0x000000000106E000-memory.dmp

Filesize
12.4MB

Download
memory/1612-1-0x0000000000400000-0x000000000106E000-memory.dmp

Filesize
12.4MB

Download
memory/1612-14-0x0000000000400000-0x000000000106E000-memory.dmp

Filesize
12.4MB

Download
memory/2116-18-0x0000000000F90000-0x0000000000FA1000-memory.dmp

Filesize
68KB

Download
memory/3628-33-0x0000000000F90000-0x0000000000FA1000-memory.dmp

Filesize
68KB

Download
memory/4844-19-0x0000000000F90000-0x0000000000FA1000-memory.dmp

Filesize
68KB

Download
memory/4844-20-0x0000000074F40000-0x000000007507C000-memory.dmp

Filesize
1.2MB

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

Loading Replay Monitor...

Downloads