cryptbot | 5ea6a5e3bc6c02cc41637028050c3738c38a07917e373637928b314c5d22f84d

General

Target

5ea6a5e3bc6c02cc41637028050c3738c38a07917e373637928b314c5d22f84d.exe
Size

7.4MB
MD5

735bb5f55a17215700840c04a8b40a03
SHA1

55e0828c6d08653939eee2b1af8fd737e92266c4
SHA256

5ea6a5e3bc6c02cc41637028050c3738c38a07917e373637928b314c5d22f84d
SHA512

7e742677e35099d8cd4a5163eea6633e3ec7deeb4840aba1f8adad8f0022e72f7416ac6367802eceab8f9f2e9dd04e1546b141e911495d025b98575a92f3865c
SSDEEP

49152:nCzghh+QpdFFMWcrlPNIEFUFisMn6bejffibgpiBX9rijpGeP/4scMlVFty:nCzg3+QpdETKvw+UKgEX9Y

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/1632-0-0x0000000069CC0000-0x000000006A377000-memory.dmp	family_cryptbot_v3

Executes dropped EXE 3 IoCs

pid	Process
2764	service123.exe
2604	service123.exe
2924	service123.exe

Loads dropped DLL 5 IoCs

pid	Process
1632	5ea6a5e3bc6c02cc41637028050c3738c38a07917e373637928b314c5d22f84d.exe
1632	5ea6a5e3bc6c02cc41637028050c3738c38a07917e373637928b314c5d22f84d.exe
2764	service123.exe
2604	service123.exe
2924	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	5ea6a5e3bc6c02cc41637028050c3738c38a07917e373637928b314c5d22f84d.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	5ea6a5e3bc6c02cc41637028050c3738c38a07917e373637928b314c5d22f84d.exe
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0\ProcessorNameString	5ea6a5e3bc6c02cc41637028050c3738c38a07917e373637928b314c5d22f84d.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
2728	schtasks.exe

Suspicious use of WriteProcessMemory 16 IoCs

description	pid	Process	procid_target
PID 1632 wrote to memory of 2764	1632	5ea6a5e3bc6c02cc41637028050c3738c38a07917e373637928b314c5d22f84d.exe	31
PID 1632 wrote to memory of 2764	1632	5ea6a5e3bc6c02cc41637028050c3738c38a07917e373637928b314c5d22f84d.exe	31
PID 1632 wrote to memory of 2764	1632	5ea6a5e3bc6c02cc41637028050c3738c38a07917e373637928b314c5d22f84d.exe	31
PID 1632 wrote to memory of 2764	1632	5ea6a5e3bc6c02cc41637028050c3738c38a07917e373637928b314c5d22f84d.exe	31
PID 1632 wrote to memory of 2728	1632	5ea6a5e3bc6c02cc41637028050c3738c38a07917e373637928b314c5d22f84d.exe	32
PID 1632 wrote to memory of 2728	1632	5ea6a5e3bc6c02cc41637028050c3738c38a07917e373637928b314c5d22f84d.exe	32
PID 1632 wrote to memory of 2728	1632	5ea6a5e3bc6c02cc41637028050c3738c38a07917e373637928b314c5d22f84d.exe	32
PID 1632 wrote to memory of 2728	1632	5ea6a5e3bc6c02cc41637028050c3738c38a07917e373637928b314c5d22f84d.exe	32
PID 2664 wrote to memory of 2604	2664	taskeng.exe	35
PID 2664 wrote to memory of 2604	2664	taskeng.exe	35
PID 2664 wrote to memory of 2604	2664	taskeng.exe	35
PID 2664 wrote to memory of 2604	2664	taskeng.exe	35
PID 2664 wrote to memory of 2924	2664	taskeng.exe	36
PID 2664 wrote to memory of 2924	2664	taskeng.exe	36
PID 2664 wrote to memory of 2924	2664	taskeng.exe	36
PID 2664 wrote to memory of 2924	2664	taskeng.exe	36

C:\Users\Admin\AppData\Local\Temp\5ea6a5e3bc6c02cc41637028050c3738c38a07917e373637928b314c5d22f84d.exe
"C:\Users\Admin\AppData\Local\Temp\5ea6a5e3bc6c02cc41637028050c3738c38a07917e373637928b314c5d22f84d.exe"
1⤵
- Loads dropped DLL
- System Location Discovery: System Language Discovery
- Checks processor information in registry
- Suspicious use of WriteProcessMemory
PID:1632
- 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:2728

C:\Windows\system32\taskeng.exe
taskeng.exe {63A9BA4F-B04D-4A31-884E-C90664C26936} S-1-5-21-1488793075-819845221-1497111674-1000:UPNECVIU\Admin:Interactive:[1]
1⤵
- Suspicious use of WriteProcessMemory
PID:2664
- C:\Users\Admin\AppData\Local\Temp\service123.exe
  C:\Users\Admin\AppData\Local\Temp\/service123.exe
  2⤵
  - Executes dropped EXE
  - Loads dropped DLL
  PID:2604
- C:\Users\Admin\AppData\Local\Temp\service123.exe
  C:\Users\Admin\AppData\Local\Temp\/service123.exe
  2⤵
  - Executes dropped EXE
  - Loads dropped DLL
  PID:2924

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/1632-0-0x0000000069CC0000-0x000000006A377000-memory.dmp

Filesize
6.7MB

Download
memory/1632-9-0x0000000000A00000-0x0000000001177000-memory.dmp

Filesize
7.5MB

Download
memory/1632-21-0x0000000000A00000-0x0000000001177000-memory.dmp

Filesize
7.5MB

Download
memory/2604-27-0x0000000000960000-0x0000000000972000-memory.dmp

Filesize
72KB

Download
memory/2764-28-0x0000000000960000-0x0000000000972000-memory.dmp

Filesize
72KB

Download
memory/2764-29-0x0000000074860000-0x0000000074994000-memory.dmp

Filesize
1.2MB

Download
memory/2924-42-0x0000000000960000-0x0000000000972000-memory.dmp

Filesize
72KB

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads