cryptbot | ab30569e57ecb3c3d674890e89a90bebe8884071053a48c2a18dbf8ffc8aa7c3

General

Target

1b05ebbfcec15b251b93721338e525c8.exe
Size

6.5MB
MD5

1b05ebbfcec15b251b93721338e525c8
SHA1

475e17fb4ea6e1d41b18086c541c338b862e1bf4
SHA256

ab30569e57ecb3c3d674890e89a90bebe8884071053a48c2a18dbf8ffc8aa7c3
SHA512

4a947908cd362d359b76d7b8a7cf16635a0712ad35e0fe787441ca07f4d56eedd8f08ed5e04983f9d390efa30bae7e7e27f6d2328baa505a06435a26a720f150
SSDEEP

49152:bJlOWXpWa3IO7tr7ppOdVDFQejeP7eevRwk8pJ4bK5l1dCSzbL7YI4oCK6yjzcwp:bJlzFP7hCVhQeSP7eepwbpJ4b

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/2460-0-0x0000000069CC0000-0x000000006A377000-memory.dmp	family_cryptbot_v3

Executes dropped EXE 3 IoCs

pid	Process
2840	service123.exe
2284	service123.exe
2944	service123.exe

Loads dropped DLL 5 IoCs

pid	Process
2460	1b05ebbfcec15b251b93721338e525c8.exe
2460	1b05ebbfcec15b251b93721338e525c8.exe
2840	service123.exe
2284	service123.exe
2944	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	1b05ebbfcec15b251b93721338e525c8.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	1b05ebbfcec15b251b93721338e525c8.exe
Key opened	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0	1b05ebbfcec15b251b93721338e525c8.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
2292	schtasks.exe

Suspicious use of WriteProcessMemory 16 IoCs

description	pid	Process	procid_target
PID 2460 wrote to memory of 2840	2460	1b05ebbfcec15b251b93721338e525c8.exe	31
PID 2460 wrote to memory of 2840	2460	1b05ebbfcec15b251b93721338e525c8.exe	31
PID 2460 wrote to memory of 2840	2460	1b05ebbfcec15b251b93721338e525c8.exe	31
PID 2460 wrote to memory of 2840	2460	1b05ebbfcec15b251b93721338e525c8.exe	31
PID 2460 wrote to memory of 2292	2460	1b05ebbfcec15b251b93721338e525c8.exe	32
PID 2460 wrote to memory of 2292	2460	1b05ebbfcec15b251b93721338e525c8.exe	32
PID 2460 wrote to memory of 2292	2460	1b05ebbfcec15b251b93721338e525c8.exe	32
PID 2460 wrote to memory of 2292	2460	1b05ebbfcec15b251b93721338e525c8.exe	32
PID 2648 wrote to memory of 2284	2648	taskeng.exe	35
PID 2648 wrote to memory of 2284	2648	taskeng.exe	35
PID 2648 wrote to memory of 2284	2648	taskeng.exe	35
PID 2648 wrote to memory of 2284	2648	taskeng.exe	35
PID 2648 wrote to memory of 2944	2648	taskeng.exe	37
PID 2648 wrote to memory of 2944	2648	taskeng.exe	37
PID 2648 wrote to memory of 2944	2648	taskeng.exe	37
PID 2648 wrote to memory of 2944	2648	taskeng.exe	37

C:\Users\Admin\AppData\Local\Temp\1b05ebbfcec15b251b93721338e525c8.exe
"C:\Users\Admin\AppData\Local\Temp\1b05ebbfcec15b251b93721338e525c8.exe"
1⤵
- Loads dropped DLL
- System Location Discovery: System Language Discovery
- Checks processor information in registry
- Suspicious use of WriteProcessMemory
PID:2460
- C:\Users\Admin\AppData\Local\Temp\service123.exe
  "C:\Users\Admin\AppData\Local\Temp\service123.exe"
  2⤵
  - Executes dropped EXE
  - Loads dropped DLL
  PID:2840
- 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:2292

C:\Windows\system32\taskeng.exe
taskeng.exe {E551CB6C-3ED8-448F-ADC2-C69B2F09E654} S-1-5-21-4177215427-74451935-3209572229-1000:JSMURNPT\Admin:Interactive:[1]
1⤵
- Suspicious use of WriteProcessMemory
PID:2648
- C:\Users\Admin\AppData\Local\Temp\service123.exe
  C:\Users\Admin\AppData\Local\Temp\/service123.exe
  2⤵
  - Executes dropped EXE
  - Loads dropped DLL
  PID:2284
- C:\Users\Admin\AppData\Local\Temp\service123.exe
  C:\Users\Admin\AppData\Local\Temp\/service123.exe
  2⤵
  - Executes dropped EXE
  - Loads dropped DLL
  PID:2944

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/2284-30-0x00000000000E0000-0x00000000000F2000-memory.dmp

Filesize
72KB

Download
memory/2460-0-0x0000000069CC0000-0x000000006A377000-memory.dmp

Filesize
6.7MB

Download
memory/2460-9-0x0000000001320000-0x00000000019AD000-memory.dmp

Filesize
6.6MB

Download
memory/2460-23-0x0000000001320000-0x00000000019AD000-memory.dmp

Filesize
6.6MB

Download
memory/2840-25-0x00000000000E0000-0x00000000000F2000-memory.dmp

Filesize
72KB

Download
memory/2840-26-0x0000000074CB0000-0x0000000074DE4000-memory.dmp

Filesize
1.2MB

Download
memory/2944-45-0x00000000000E0000-0x00000000000F2000-memory.dmp

Filesize
72KB

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads