cryptbot | dc26f099c5875a25fab9ed9bf97c941e6e8bb61dcbc67897c2b758e30ad265a3

General

Target

file.exe
Size

6.3MB
MD5

83f979357b6142fdb29af934fa314e63
SHA1

fe271119b6c4ad30ec35eaaee48ee008718c0be7
SHA256

dc26f099c5875a25fab9ed9bf97c941e6e8bb61dcbc67897c2b758e30ad265a3
SHA512

443adc54e505fce7acbdd229441605259c89a74c1b1286107e54053a450c0f34f2e8bf282a3b1983c581b86bc71625ab111d48556a2b0e9826869f2883ef61ce
SSDEEP

49152:pvFRqzmh612CJaZQFZGu7Th8+PHByI6Cml8mFKVXmM9+uXPfPMcFFVliyCWrV74:pqzf0ZCkiTCQhtKHKVWM9+u

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/588-0-0x0000000069CC0000-0x000000006A378000-memory.dmp	family_cryptbot_v3

Executes dropped EXE 3 IoCs

pid	Process
2764	service123.exe
1308	service123.exe
2852	service123.exe

Loads dropped DLL 5 IoCs

pid	Process
588	file.exe
588	file.exe
2764	service123.exe
1308	service123.exe
2852	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	file.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
2936	schtasks.exe

Suspicious use of WriteProcessMemory 16 IoCs

description	pid	Process	procid_target
PID 588 wrote to memory of 2764	588	file.exe	29
PID 588 wrote to memory of 2764	588	file.exe	29
PID 588 wrote to memory of 2764	588	file.exe	29
PID 588 wrote to memory of 2764	588	file.exe	29
PID 588 wrote to memory of 2936	588	file.exe	30
PID 588 wrote to memory of 2936	588	file.exe	30
PID 588 wrote to memory of 2936	588	file.exe	30
PID 588 wrote to memory of 2936	588	file.exe	30
PID 2588 wrote to memory of 1308	2588	taskeng.exe	33
PID 2588 wrote to memory of 1308	2588	taskeng.exe	33
PID 2588 wrote to memory of 1308	2588	taskeng.exe	33
PID 2588 wrote to memory of 1308	2588	taskeng.exe	33
PID 2588 wrote to memory of 2852	2588	taskeng.exe	34
PID 2588 wrote to memory of 2852	2588	taskeng.exe	34
PID 2588 wrote to memory of 2852	2588	taskeng.exe	34
PID 2588 wrote to memory of 2852	2588	taskeng.exe	34

C:\Users\Admin\AppData\Local\Temp\file.exe
"C:\Users\Admin\AppData\Local\Temp\file.exe"
1⤵
- Loads dropped DLL
- System Location Discovery: System Language Discovery
- Checks processor information in registry
- Suspicious use of WriteProcessMemory
PID:588
- C:\Users\Admin\AppData\Local\Temp\service123.exe
  "C:\Users\Admin\AppData\Local\Temp\service123.exe"
  2⤵
  - Executes dropped EXE
  - Loads dropped DLL
  PID:2764
- 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:2936

C:\Windows\system32\taskeng.exe
taskeng.exe {C588D6EB-E368-46B8-A909-95991EAB5948} S-1-5-21-2703099537-420551529-3771253338-1000:XECUDNCD\Admin:Interactive:[1]
1⤵
- Suspicious use of WriteProcessMemory
PID:2588
- C:\Users\Admin\AppData\Local\Temp\service123.exe
  C:\Users\Admin\AppData\Local\Temp\/service123.exe
  2⤵
  - Executes dropped EXE
  - Loads dropped DLL
  PID:1308
- C:\Users\Admin\AppData\Local\Temp\service123.exe
  C:\Users\Admin\AppData\Local\Temp\/service123.exe
  2⤵
  - Executes dropped EXE
  - Loads dropped DLL
  PID:2852

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/588-0-0x0000000069CC0000-0x000000006A378000-memory.dmp

Filesize
6.7MB

Download
memory/588-9-0x0000000000110000-0x000000000076B000-memory.dmp

Filesize
6.4MB

Download
memory/588-23-0x0000000000110000-0x000000000076B000-memory.dmp

Filesize
6.4MB

Download
memory/1308-32-0x0000000000030000-0x0000000000042000-memory.dmp

Filesize
72KB

Download
memory/2764-25-0x0000000000030000-0x0000000000042000-memory.dmp

Filesize
72KB

Download
memory/2764-26-0x0000000074F20000-0x0000000075054000-memory.dmp

Filesize
1.2MB

Download
memory/2852-47-0x0000000000030000-0x0000000000042000-memory.dmp

Filesize
72KB

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads