cryptbot | a8a451b18143b192de1f6da327400e4fe0b629386d0c9dbf0d77e002e8ca6610

General

Target

a8a451b18143b192de1f6da327400e4fe0b629386d0c9dbf0d77e002e8ca6610.exe
Size

6.4MB
MD5

af196dcc95170ab54860051830a7d587
SHA1

9fecb3cfb22a2717c5f0424aa7c197d0ab80c365
SHA256

a8a451b18143b192de1f6da327400e4fe0b629386d0c9dbf0d77e002e8ca6610
SHA512

e985bdc5722c415e6d80abb4acdefb55693e79566062f83c9137b8e3db2813b95d33c6da12259667182e94d5198095703e8b57083872c997f8ea932cd3fc40ab
SSDEEP

98304:Aevoj/6GK58KRA6t5oHkokMCtQYGDOdA8RcWwlLQmjnAoX:AwojiGK58+A6tyHkokjlb+LnjAoX

Score

10^/10

cryptbot credential_access discovery spyware stealer

Malware Config

Extracted

Family

cryptbot

C2

fivevf5vs.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
4784	service123.exe
364	service123.exe
1708	service123.exe
1128	service123.exe
2692	service123.exe

Loads dropped DLL 5 IoCs

pid	Process
4784	service123.exe
364	service123.exe
1708	service123.exe
1128	service123.exe
2692	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	a8a451b18143b192de1f6da327400e4fe0b629386d0c9dbf0d77e002e8ca6610.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	a8a451b18143b192de1f6da327400e4fe0b629386d0c9dbf0d77e002e8ca6610.exe
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0\ProcessorNameString	a8a451b18143b192de1f6da327400e4fe0b629386d0c9dbf0d77e002e8ca6610.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
3484	schtasks.exe

Suspicious use of WriteProcessMemory 6 IoCs

description	pid	Process	procid_target
PID 2168 wrote to memory of 4784	2168	a8a451b18143b192de1f6da327400e4fe0b629386d0c9dbf0d77e002e8ca6610.exe	70
PID 2168 wrote to memory of 4784	2168	a8a451b18143b192de1f6da327400e4fe0b629386d0c9dbf0d77e002e8ca6610.exe	70
PID 2168 wrote to memory of 4784	2168	a8a451b18143b192de1f6da327400e4fe0b629386d0c9dbf0d77e002e8ca6610.exe	70
PID 2168 wrote to memory of 3484	2168	a8a451b18143b192de1f6da327400e4fe0b629386d0c9dbf0d77e002e8ca6610.exe	71
PID 2168 wrote to memory of 3484	2168	a8a451b18143b192de1f6da327400e4fe0b629386d0c9dbf0d77e002e8ca6610.exe	71
PID 2168 wrote to memory of 3484	2168	a8a451b18143b192de1f6da327400e4fe0b629386d0c9dbf0d77e002e8ca6610.exe	71

C:\Users\Admin\AppData\Local\Temp\a8a451b18143b192de1f6da327400e4fe0b629386d0c9dbf0d77e002e8ca6610.exe
"C:\Users\Admin\AppData\Local\Temp\a8a451b18143b192de1f6da327400e4fe0b629386d0c9dbf0d77e002e8ca6610.exe"
1⤵
- System Location Discovery: System Language Discovery
- Checks processor information in registry
- Suspicious use of WriteProcessMemory
PID:2168
- 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:4784
- 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:3484

C:\Users\Admin\AppData\Local\Temp\service123.exe
C:\Users\Admin\AppData\Local\Temp\/service123.exe
1⤵
- Executes dropped EXE
- Loads dropped DLL
PID:364

C:\Users\Admin\AppData\Local\Temp\service123.exe
C:\Users\Admin\AppData\Local\Temp\/service123.exe
1⤵
- Executes dropped EXE
- Loads dropped DLL
PID:1708

C:\Users\Admin\AppData\Local\Temp\service123.exe
C:\Users\Admin\AppData\Local\Temp\/service123.exe
1⤵
- Executes dropped EXE
- Loads dropped DLL
PID:1128

C:\Users\Admin\AppData\Local\Temp\service123.exe
C:\Users\Admin\AppData\Local\Temp\/service123.exe
1⤵
- Executes dropped EXE
- Loads dropped DLL
PID:2692

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

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Downloads

memory/364-20-0x0000000000980000-0x0000000000991000-memory.dmp

Filesize
68KB

Download
memory/1128-48-0x0000000000980000-0x0000000000991000-memory.dmp

Filesize
68KB

Download
memory/1708-33-0x0000000000980000-0x0000000000991000-memory.dmp

Filesize
68KB

Download
memory/2168-0-0x0000000000400000-0x000000000106F000-memory.dmp

Filesize
12.4MB

Download
memory/2168-1-0x0000000000400000-0x000000000106F000-memory.dmp

Filesize
12.4MB

Download
memory/2168-12-0x0000000000400000-0x000000000106F000-memory.dmp

Filesize
12.4MB

Download
memory/2692-63-0x0000000000980000-0x0000000000991000-memory.dmp

Filesize
68KB

Download
memory/4784-14-0x0000000000980000-0x0000000000991000-memory.dmp

Filesize
68KB

Download
memory/4784-15-0x0000000074380000-0x00000000744BC000-memory.dmp

Filesize
1.2MB

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads