cryptbot | 5651d52584addf82b565cb5370982ebb42d02ea40a93a9e511092fb582005df4

General

Target

dfb56dd84ad084bc95ee46c5a929e9e7.exe
Size

5.8MB
MD5

dfb56dd84ad084bc95ee46c5a929e9e7
SHA1

186f6b6b388ee03bf6fbdb14dc9344ae44481e0a
SHA256

5651d52584addf82b565cb5370982ebb42d02ea40a93a9e511092fb582005df4
SHA512

786644a3d06b9c52f538d8e08544a81f95de21d83b45a3a8a04d73fe581063260e2d6214b1a295c2db079c6cde8fba002e5b318705a84477c046bf8634b4e24b
SSDEEP

49152:1rRLdd8yBJKgiqsIU6wARbqbM2yw0uvwcQMhwWjTjQA9pZx2m3vfI4chxGeO23nT:1vJjmrkMVyw0eNhwh

Score

10^/10

cryptbot discovery spyware stealer

Malware Config

Signatures

CryptBot
CryptBot is a C++ stealer distributed widely in bundle with other software.
spyware stealer cryptbot

Detects CryptBot payload 1 IoCs

CryptBot is a C++ stealer distributed widely in bundle with other software.

spyware stealer

resource	yara_rule
behavioral1/memory/2536-0-0x0000000069CC0000-0x000000006A37B000-memory.dmp	family_cryptbot_v3

Executes dropped EXE 2 IoCs

pid	Process
2700	service123.exe
1952	service123.exe

Loads dropped DLL 4 IoCs

pid	Process
2536	dfb56dd84ad084bc95ee46c5a929e9e7.exe
2536	dfb56dd84ad084bc95ee46c5a929e9e7.exe
2700	service123.exe
1952	service123.exe

Reads user/profile data of web browsers 3 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

Credentials from Web Browsers
T1555.003
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	dfb56dd84ad084bc95ee46c5a929e9e7.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	dfb56dd84ad084bc95ee46c5a929e9e7.exe
Key opened	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0	dfb56dd84ad084bc95ee46c5a929e9e7.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
2088	schtasks.exe

Suspicious use of WriteProcessMemory 12 IoCs

description	pid	Process	procid_target
PID 2536 wrote to memory of 2700	2536	dfb56dd84ad084bc95ee46c5a929e9e7.exe	29
PID 2536 wrote to memory of 2700	2536	dfb56dd84ad084bc95ee46c5a929e9e7.exe	29
PID 2536 wrote to memory of 2700	2536	dfb56dd84ad084bc95ee46c5a929e9e7.exe	29
PID 2536 wrote to memory of 2700	2536	dfb56dd84ad084bc95ee46c5a929e9e7.exe	29
PID 2536 wrote to memory of 2088	2536	dfb56dd84ad084bc95ee46c5a929e9e7.exe	30
PID 2536 wrote to memory of 2088	2536	dfb56dd84ad084bc95ee46c5a929e9e7.exe	30
PID 2536 wrote to memory of 2088	2536	dfb56dd84ad084bc95ee46c5a929e9e7.exe	30
PID 2536 wrote to memory of 2088	2536	dfb56dd84ad084bc95ee46c5a929e9e7.exe	30
PID 972 wrote to memory of 1952	972	taskeng.exe	33
PID 972 wrote to memory of 1952	972	taskeng.exe	33
PID 972 wrote to memory of 1952	972	taskeng.exe	33
PID 972 wrote to memory of 1952	972	taskeng.exe	33

C:\Users\Admin\AppData\Local\Temp\dfb56dd84ad084bc95ee46c5a929e9e7.exe
"C:\Users\Admin\AppData\Local\Temp\dfb56dd84ad084bc95ee46c5a929e9e7.exe"
1⤵
- Loads dropped DLL
- System Location Discovery: System Language Discovery
- Checks processor information in registry
- Suspicious use of WriteProcessMemory
PID:2536
- C:\Users\Admin\AppData\Local\Temp\service123.exe
  "C:\Users\Admin\AppData\Local\Temp\service123.exe"
  2⤵
  - Executes dropped EXE
  - Loads dropped DLL
  PID:2700
- 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:2088

C:\Windows\system32\taskeng.exe
taskeng.exe {99DE1C92-BEBE-48AE-9F0F-0826308859E7} S-1-5-21-3692679935-4019334568-335155002-1000:BCXRJFKE\Admin:Interactive:[1]
1⤵
- Suspicious use of WriteProcessMemory
PID:972
- C:\Users\Admin\AppData\Local\Temp\service123.exe
  C:\Users\Admin\AppData\Local\Temp\/service123.exe
  2⤵
  - Executes dropped EXE
  - Loads dropped DLL
  PID:1952

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/1952-38-0x0000000000050000-0x0000000000062000-memory.dmp

Filesize
72KB

Download
memory/2536-0-0x0000000069CC0000-0x000000006A37B000-memory.dmp

Filesize
6.7MB

Download
memory/2536-9-0x0000000000C30000-0x00000000011F9000-memory.dmp

Filesize
5.8MB

Download
memory/2536-27-0x0000000000C30000-0x00000000011F9000-memory.dmp

Filesize
5.8MB

Download
memory/2700-29-0x0000000000050000-0x0000000000062000-memory.dmp

Filesize
72KB

Download
memory/2700-30-0x0000000074CA0000-0x0000000074DD4000-memory.dmp

Filesize
1.2MB

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads