cryptbot | 14071621305caf3017b55255d6759ef0cbf22a811be2a490e31b6d5aca3c9964

General

Target

Set-up.exe
Size

6.4MB
MD5

bd86c7f8fa17c9a08f0ed2e829255c62
SHA1

b9586ca88021f12e8b0c285ab7a611457fb48052
SHA256

14071621305caf3017b55255d6759ef0cbf22a811be2a490e31b6d5aca3c9964
SHA512

eb3bd3bfa159c073a83a30762515cbdd68b45b4adcfc451cdf53dbe46134df9c72e37861be104c76c834e574b531868d44481ab995dd348049343159c1abe93b
SSDEEP

49152:BWMI99KO7fvk1ncesDU2pOI/s6GGAbd7NttdiVPk0/MVTcmVFqSiqL7EI4ohxBtY:BWTxk1nvQU2sss6pAR7jtdekVd

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
behavioral4/memory/2500-0-0x0000000069CC0000-0x000000006A377000-memory.dmp	family_cryptbot_v3

Executes dropped EXE 3 IoCs

pid	Process
4072	service123.exe
816	service123.exe
2876	service123.exe

Loads dropped DLL 3 IoCs

pid	Process
4072	service123.exe
816	service123.exe
2876	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 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	Set-up.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	Set-up.exe
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0\ProcessorNameString	Set-up.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
2096	schtasks.exe

Suspicious use of WriteProcessMemory 6 IoCs

description	pid	Process	procid_target
PID 2500 wrote to memory of 4072	2500	Set-up.exe	77
PID 2500 wrote to memory of 4072	2500	Set-up.exe	77
PID 2500 wrote to memory of 4072	2500	Set-up.exe	77
PID 2500 wrote to memory of 2096	2500	Set-up.exe	78
PID 2500 wrote to memory of 2096	2500	Set-up.exe	78
PID 2500 wrote to memory of 2096	2500	Set-up.exe	78

C:\Users\Admin\AppData\Local\Temp\Set-up.exe
"C:\Users\Admin\AppData\Local\Temp\Set-up.exe"
1⤵
- System Location Discovery: System Language Discovery
- Checks processor information in registry
- Suspicious use of WriteProcessMemory
PID:2500
- 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:4072
- 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:2096

C:\Users\Admin\AppData\Local\Temp\service123.exe
C:\Users\Admin\AppData\Local\Temp\/service123.exe
1⤵
- Executes dropped EXE
- Loads dropped DLL
PID:816

C:\Users\Admin\AppData\Local\Temp\service123.exe
C:\Users\Admin\AppData\Local\Temp\/service123.exe
1⤵
- Executes dropped EXE
- Loads dropped DLL
PID:2876

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/816-26-0x00000000009E0000-0x00000000009F2000-memory.dmp

Filesize
72KB

Download
memory/2500-0-0x0000000069CC0000-0x000000006A377000-memory.dmp

Filesize
6.7MB

Download
memory/2500-9-0x0000000000130000-0x0000000000792000-memory.dmp

Filesize
6.4MB

Download
memory/2500-22-0x0000000000130000-0x0000000000792000-memory.dmp

Filesize
6.4MB

Download
memory/2876-43-0x00000000009E0000-0x00000000009F2000-memory.dmp

Filesize
72KB

Download
memory/4072-27-0x00000000009E0000-0x00000000009F2000-memory.dmp

Filesize
72KB

Download
memory/4072-28-0x0000000074F70000-0x00000000750A4000-memory.dmp

Filesize
1.2MB

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads