cryptbot | ec429ff1650c6c143470d798c67f8b3cfcef285badb0006add081b4324b625e4

General

Target

6a425f365fe6499f0f60f6b89445e82b.exe
Size

6.6MB
MD5

6a425f365fe6499f0f60f6b89445e82b
SHA1

5621452c81dcc2cc3d9e6eff07bb1d016485dc54
SHA256

ec429ff1650c6c143470d798c67f8b3cfcef285badb0006add081b4324b625e4
SHA512

a3f534fe70962ce4dd7155500c2bf2c015fd7d7373798785f3bbc20333534f790d8156e367a8343b9106e7deafedf87a882c819798904c10da2178fc45bf5d2e
SSDEEP

49152:eYUFc/KQ785b3qjXqHvQoG4WtxiY4V3HUkRNd1aKLTjvc4lV6Cy6brU4I:Caf4QbqHvfGVs

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

Processes:

resource	yara_rule
behavioral1/memory/1992-0-0x0000000069CC0000-0x000000006A37B000-memory.dmp	family_cryptbot_v3

Executes dropped EXE 2 IoCs

Processes:

service123.exeservice123.exe

pid	Process
2536	service123.exe
1764	service123.exe

Loads dropped DLL 4 IoCs

Processes:

6a425f365fe6499f0f60f6b89445e82b.exeservice123.exeservice123.exe

pid	Process
1992	6a425f365fe6499f0f60f6b89445e82b.exe
1992	6a425f365fe6499f0f60f6b89445e82b.exe
2536	service123.exe
1764	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

Processes:

schtasks.exe6a425f365fe6499f0f60f6b89445e82b.exe

description	ioc	Process
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	schtasks.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	6a425f365fe6499f0f60f6b89445e82b.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

Processes:

6a425f365fe6499f0f60f6b89445e82b.exe

description	ioc	Process
Key opened	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0	6a425f365fe6499f0f60f6b89445e82b.exe
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0\ProcessorNameString	6a425f365fe6499f0f60f6b89445e82b.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

Processes:

schtasks.exe

pid	Process
1808	schtasks.exe

Suspicious use of WriteProcessMemory 12 IoCs

Processes:

6a425f365fe6499f0f60f6b89445e82b.exetaskeng.exe

description	pid	Process	procid_target
PID 1992 wrote to memory of 2536	1992	6a425f365fe6499f0f60f6b89445e82b.exe	31
PID 1992 wrote to memory of 2536	1992	6a425f365fe6499f0f60f6b89445e82b.exe	31
PID 1992 wrote to memory of 2536	1992	6a425f365fe6499f0f60f6b89445e82b.exe	31
PID 1992 wrote to memory of 2536	1992	6a425f365fe6499f0f60f6b89445e82b.exe	31
PID 1992 wrote to memory of 1808	1992	6a425f365fe6499f0f60f6b89445e82b.exe	32
PID 1992 wrote to memory of 1808	1992	6a425f365fe6499f0f60f6b89445e82b.exe	32
PID 1992 wrote to memory of 1808	1992	6a425f365fe6499f0f60f6b89445e82b.exe	32
PID 1992 wrote to memory of 1808	1992	6a425f365fe6499f0f60f6b89445e82b.exe	32
PID 1684 wrote to memory of 1764	1684	taskeng.exe	35
PID 1684 wrote to memory of 1764	1684	taskeng.exe	35
PID 1684 wrote to memory of 1764	1684	taskeng.exe	35
PID 1684 wrote to memory of 1764	1684	taskeng.exe	35

C:\Users\Admin\AppData\Local\Temp\6a425f365fe6499f0f60f6b89445e82b.exe
"C:\Users\Admin\AppData\Local\Temp\6a425f365fe6499f0f60f6b89445e82b.exe"
1⤵
- Loads dropped DLL
- System Location Discovery: System Language Discovery
- Checks processor information in registry
- Suspicious use of WriteProcessMemory
PID:1992
- C:\Users\Admin\AppData\Local\Temp\service123.exe
  "C:\Users\Admin\AppData\Local\Temp\service123.exe"
  2⤵
  - Executes dropped EXE
  - Loads dropped DLL
  PID:2536
- 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:1808

C:\Windows\system32\taskeng.exe
taskeng.exe {F2A8B2F2-9A9B-4667-9242-D3F5FC08FE17} S-1-5-21-3533259084-2542256011-65585152-1000:XPAJOTIY\Admin:Interactive:[1]
1⤵
- Suspicious use of WriteProcessMemory
PID:1684
- C:\Users\Admin\AppData\Local\Temp\service123.exe
  C:\Users\Admin\AppData\Local\Temp\/service123.exe
  2⤵
  - Executes dropped EXE
  - Loads dropped DLL
  PID:1764

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/1764-40-0x00000000000F0000-0x0000000000102000-memory.dmp

Filesize
72KB

Download
memory/1992-0-0x0000000069CC0000-0x000000006A37B000-memory.dmp

Filesize
6.7MB

Download
memory/1992-9-0x0000000000E40000-0x00000000014E0000-memory.dmp

Filesize
6.6MB

Download
memory/1992-25-0x0000000000E40000-0x00000000014E0000-memory.dmp

Filesize
6.6MB

Download
memory/2536-27-0x00000000000F0000-0x0000000000102000-memory.dmp

Filesize
72KB

Download
memory/2536-28-0x0000000074C90000-0x0000000074DC4000-memory.dmp

Filesize
1.2MB

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads