cryptbot | 8f72e50fac72d3c5880f79997f6cf38026b00d6f907bcd80c5d780cf92db7158

General

Target

1.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 3 IoCs

pid	Process
2444	service123.exe
2728	service123.exe
2484	service123.exe

Loads dropped DLL 5 IoCs

pid	Process
2412	1.exe
2412	1.exe
2444	service123.exe
2728	service123.exe
2484	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 2 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	1.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 value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0\ProcessorNameString	1.exe
Key opened	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0	1.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
2700	schtasks.exe

Suspicious use of WriteProcessMemory 16 IoCs

description	pid	Process	procid_target
PID 2412 wrote to memory of 2444	2412	1.exe	29
PID 2412 wrote to memory of 2444	2412	1.exe	29
PID 2412 wrote to memory of 2444	2412	1.exe	29
PID 2412 wrote to memory of 2444	2412	1.exe	29
PID 2412 wrote to memory of 2700	2412	1.exe	30
PID 2412 wrote to memory of 2700	2412	1.exe	30
PID 2412 wrote to memory of 2700	2412	1.exe	30
PID 2412 wrote to memory of 2700	2412	1.exe	30
PID 2888 wrote to memory of 2728	2888	taskeng.exe	33
PID 2888 wrote to memory of 2728	2888	taskeng.exe	33
PID 2888 wrote to memory of 2728	2888	taskeng.exe	33
PID 2888 wrote to memory of 2728	2888	taskeng.exe	33
PID 2888 wrote to memory of 2484	2888	taskeng.exe	34
PID 2888 wrote to memory of 2484	2888	taskeng.exe	34
PID 2888 wrote to memory of 2484	2888	taskeng.exe	34
PID 2888 wrote to memory of 2484	2888	taskeng.exe	34

C:\Users\Admin\AppData\Local\Temp\1.exe
"C:\Users\Admin\AppData\Local\Temp\1.exe"
1⤵
- Loads dropped DLL
- System Location Discovery: System Language Discovery
- Checks processor information in registry
- Suspicious use of WriteProcessMemory
PID:2412
- C:\Users\Admin\AppData\Local\Temp\service123.exe
  "C:\Users\Admin\AppData\Local\Temp\service123.exe"
  2⤵
  - Executes dropped EXE
  - Loads dropped DLL
  PID:2444
- 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:2700

C:\Windows\system32\taskeng.exe
taskeng.exe {5B599019-CEC4-4D8A-85B9-793DFE68DEE2} S-1-5-21-1506706701-1246725540-2219210854-1000:MUYDDIIS\Admin:Interactive:[1]
1⤵
- Suspicious use of WriteProcessMemory
PID:2888
- C:\Users\Admin\AppData\Local\Temp\service123.exe
  C:\Users\Admin\AppData\Local\Temp\/service123.exe
  2⤵
  - Executes dropped EXE
  - Loads dropped DLL
  PID:2728
- C:\Users\Admin\AppData\Local\Temp\service123.exe
  C:\Users\Admin\AppData\Local\Temp\/service123.exe
  2⤵
  - Executes dropped EXE
  - Loads dropped DLL
  PID:2484

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/2412-0-0x0000000000400000-0x000000000106F000-memory.dmp

Filesize
12.4MB

Download
memory/2412-1-0x0000000000400000-0x000000000106F000-memory.dmp

Filesize
12.4MB

Download
memory/2412-13-0x0000000000400000-0x000000000106F000-memory.dmp

Filesize
12.4MB

Download
memory/2444-16-0x0000000001150000-0x0000000001161000-memory.dmp

Filesize
68KB

Download
memory/2444-17-0x00000000752C0000-0x00000000753FC000-memory.dmp

Filesize
1.2MB

Download
memory/2484-36-0x0000000001150000-0x0000000001161000-memory.dmp

Filesize
68KB

Download
memory/2728-21-0x0000000001150000-0x0000000001161000-memory.dmp

Filesize
68KB

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads