cryptbot | 8f72e50fac72d3c5880f79997f6cf38026b00d6f907bcd80c5d780cf92db7158

General

Target

8f72e50fac72d3c5880f79997f6cf38026b00d6f907bcd80c5d780cf92db7158.exe
Size

6.4MB
MD5

8fb3610c4ba81a5a93666562e712740a
SHA1

fb8b6774e490680c1e04494d101f6ced3b7be816
SHA256

8f72e50fac72d3c5880f79997f6cf38026b00d6f907bcd80c5d780cf92db7158
SHA512

6a833782eb81204d420841acc1cd0d5f03bce00d9725d850e5ef83a5c39c084e7bd1285582531a4092565be9fa8409a7cfbcc0b74a5cefd6dfaf9d4e4f5fd5cb
SSDEEP

98304:AX+ACpyT3Q0Izx583ES5vXJY/IR7puRQ4Y4AOgtly:gBCpyTgvzL8UScWuRLY43Cly

Score

10^/10

cryptbot credential_access discovery spyware stealer

Malware Config

Extracted

Family

cryptbot

C2

tventyvf20pt.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

Executes dropped EXE 5 IoCs

pid	Process
4736	service123.exe
2696	service123.exe
3564	service123.exe
3404	service123.exe
1820	service123.exe

Loads dropped DLL 5 IoCs

pid	Process
4736	service123.exe
2696	service123.exe
3564	service123.exe
3404	service123.exe
1820	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	8f72e50fac72d3c5880f79997f6cf38026b00d6f907bcd80c5d780cf92db7158.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	8f72e50fac72d3c5880f79997f6cf38026b00d6f907bcd80c5d780cf92db7158.exe
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0\ProcessorNameString	8f72e50fac72d3c5880f79997f6cf38026b00d6f907bcd80c5d780cf92db7158.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
4332	schtasks.exe

Suspicious use of WriteProcessMemory 6 IoCs

description	pid	Process	procid_target
PID 4944 wrote to memory of 4736	4944	8f72e50fac72d3c5880f79997f6cf38026b00d6f907bcd80c5d780cf92db7158.exe	75
PID 4944 wrote to memory of 4736	4944	8f72e50fac72d3c5880f79997f6cf38026b00d6f907bcd80c5d780cf92db7158.exe	75
PID 4944 wrote to memory of 4736	4944	8f72e50fac72d3c5880f79997f6cf38026b00d6f907bcd80c5d780cf92db7158.exe	75
PID 4944 wrote to memory of 4332	4944	8f72e50fac72d3c5880f79997f6cf38026b00d6f907bcd80c5d780cf92db7158.exe	76
PID 4944 wrote to memory of 4332	4944	8f72e50fac72d3c5880f79997f6cf38026b00d6f907bcd80c5d780cf92db7158.exe	76
PID 4944 wrote to memory of 4332	4944	8f72e50fac72d3c5880f79997f6cf38026b00d6f907bcd80c5d780cf92db7158.exe	76

C:\Users\Admin\AppData\Local\Temp\8f72e50fac72d3c5880f79997f6cf38026b00d6f907bcd80c5d780cf92db7158.exe
"C:\Users\Admin\AppData\Local\Temp\8f72e50fac72d3c5880f79997f6cf38026b00d6f907bcd80c5d780cf92db7158.exe"
1⤵
- System Location Discovery: System Language Discovery
- Checks processor information in registry
- Suspicious use of WriteProcessMemory
PID:4944
- 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:4736
- 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:4332

C:\Users\Admin\AppData\Local\Temp\service123.exe
C:\Users\Admin\AppData\Local\Temp\/service123.exe
1⤵
- Executes dropped EXE
- Loads dropped DLL
PID:2696

C:\Users\Admin\AppData\Local\Temp\service123.exe
C:\Users\Admin\AppData\Local\Temp\/service123.exe
1⤵
- Executes dropped EXE
- Loads dropped DLL
PID:3564

C:\Users\Admin\AppData\Local\Temp\service123.exe
C:\Users\Admin\AppData\Local\Temp\/service123.exe
1⤵
- Executes dropped EXE
- Loads dropped DLL
PID:3404

C:\Users\Admin\AppData\Local\Temp\service123.exe
C:\Users\Admin\AppData\Local\Temp\/service123.exe
1⤵
- Executes dropped EXE
- Loads dropped DLL
PID:1820

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

2

T1012

System Information Discovery

2

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/1820-69-0x0000000000F40000-0x0000000000F51000-memory.dmp

Filesize
68KB

Download
memory/2696-26-0x0000000000F40000-0x0000000000F51000-memory.dmp

Filesize
68KB

Download
memory/3404-56-0x0000000000F40000-0x0000000000F51000-memory.dmp

Filesize
68KB

Download
memory/3564-39-0x0000000000F40000-0x0000000000F51000-memory.dmp

Filesize
68KB

Download
memory/4736-12-0x0000000000F40000-0x0000000000F51000-memory.dmp

Filesize
68KB

Download
memory/4736-13-0x0000000073AA0000-0x0000000073BDC000-memory.dmp

Filesize
1.2MB

Download
memory/4944-0-0x0000000000400000-0x000000000106F000-memory.dmp

Filesize
12.4MB

Download
memory/4944-1-0x0000000000400000-0x000000000106F000-memory.dmp

Filesize
12.4MB

Download
memory/4944-10-0x0000000000400000-0x000000000106F000-memory.dmp

Filesize
12.4MB

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

Loading Replay Monitor...

Downloads