cryptbot | a2f4e966b18f7f663ec60eef04e6c989f180dff89fc00e9a6ff00dd1e22bb8f6

Analysis

max time kernel
89s
max time network
141s
platform
windows10-2004_x64
resource
win10v2004-20220901-en
resource tags

arch:x64arch:x86image:win10v2004-20220901-enlocale:en-usos:windows10-2004-x64system
submitted
30/09/2022, 13:56

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General

Target
Setup.exe
Size 354.6MB
Sample220930-q8pevsefcl
SHA256 9ae29989c4aa66f3cfbe4605475ea67ab7d267650ad95becdea1f153e0511a4a
MD5 f1799f2891fcae776713bab4a21f0a50
SHA1 59bc301eccaffebfaa61a962d0d5130fb3ecb672
SHA512 7a6d874e39d51a13504447939c6c4de7d0d78a138ee6399d5ebec804e71e983ef31d4a8305a198ce702b8eda8be68bbfb3d538dd527ee5264c73e84246866ba1
SSDEEP 49152:yYP/Huz0bKO0MSmywAA6uwN4eKymapG1puu/OJp2/dWFKzPAt4YRHQ+az77Fs227:2OAlolpNQGZHjTo82Pb0c0NZrq9BR
MD5 SHA1 SHA512 SSDEEP

Score

10^/10

cryptbot discovery spyware stealer

Malware Config

Signatures

CryptBot
A C++ stealer distributed widely in bundle with other software.
spyware stealer cryptbot

Checks computer location settings 2 TTPs 1 IoCs

Looks up country code configured in the registry, likely geofence.

Query Registry

T1012

System Information Discovery

T1082

description	ioc	Process
Key value queried	\REGISTRY\USER\S-1-5-21-929662420-1054238289-2961194603-1000\Control Panel\International\Geo\Nation	Setup.exe

Reads user/profile data of web browsers 2 TTPs
Infostealers often target stored browser data, which can include saved credentials etc.
spyware stealer

Data from Local System
T1005

Credentials in Files
T1081
Accesses cryptocurrency files/wallets, possible credential harvesting 2 TTPs
spyware

Data from Local System
T1005

Credentials in Files
T1081
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

Maps connected drives based on registry 3 TTPs 2 IoCs

Disk information is often read in order to detect sandboxing environments.

Query Registry

T1012

Peripheral Device Discovery

T1120

System Information Discovery

T1082

description	ioc	Process
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\services\Disk\Enum	Setup.exe
Key value queried	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Services\disk\Enum\ProductId	Setup.exe

Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s). Likely ransomware behaviour.

System Information Discovery
T1082

Checks processor information in registry 2 TTPs 3 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	Setup.exe
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0\~MHz	Setup.exe
Key opened	\REGISTRY\MACHINE\Hardware\Description\System\CentralProcessor\0	Setup.exe

Delays execution with timeout.exe 1 IoCs

evasion

pid	Process
2708	timeout.exe

Suspicious behavior: EnumeratesProcesses 2 IoCs

pid	Process
2632	Setup.exe
2632	Setup.exe

Suspicious use of WriteProcessMemory 4 IoCs

description	pid	Process	procid_target
PID 2632 wrote to memory of 3136	2632	Setup.exe	91
PID 2632 wrote to memory of 3136	2632	Setup.exe	91
PID 3136 wrote to memory of 2708	3136	cmd.exe	93
PID 3136 wrote to memory of 2708	3136	cmd.exe	93

C:\Users\Admin\AppData\Local\Temp\Setup.exe
"C:\Users\Admin\AppData\Local\Temp\Setup.exe"
1⤵
- Checks computer location settings
- Maps connected drives based on registry
- Checks processor information in registry
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of WriteProcessMemory
PID:2632
- C:\Windows\System32\cmd.exe
  "C:\Windows\System32\cmd.exe" /c timeout -t 5 && del "C:\Users\Admin\AppData\Local\Temp\Setup.exe"
  2⤵
  - Suspicious use of WriteProcessMemory
  PID:3136
- - C:\Windows\system32\timeout.exe
    timeout -t 5
    3⤵
    - Delays execution with timeout.exe
    PID:2708

Network

MITRE ATT&CK Enterprise v6

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Credential Access

Credentials in Files

T1081

Discovery

Peripheral Device Discovery

T1120

Query Registry

T1012

System Information Discovery

T1082

Lateral Movement

Collection

Data from Local System

T1005

Command and Control

Exfiltration

Impact

Replay Monitor

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Downloads

memory/2632-132-0x0000000180000000-0x0000000180111000-memory.dmp

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memory/2632-133-0x0000000180000000-0x0000000180111000-memory.dmp

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memory/2632-134-0x000001F1F1600000-0x000001F1F1603000-memory.dmp

Download

memory/2632-135-0x0000000180000000-0x0000000180111000-memory.dmp

Download

memory/2632-137-0x0000000180000000-0x0000000180111000-memory.dmp

Download