cryptbot | 8e77959a322818f06533b81d7bc00b36218439d722d2d64f8e78c0a1ec53a03e

Resubmissions

07/09/2024, 16:19

240907-tsxyvavcnb

07/09/2024, 16:11

240907-tm7wvsvalg10

Analysis

max time kernel
143s
max time network
95s
platform
windows10-2004_x64
resource
win10v2004-20240802-en
resource tags

arch:x64arch:x86image:win10v2004-20240802-enlocale:en-usos:windows10-2004-x64system
submitted
07/09/2024, 16:11

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Report Analysis Logs

General

Target
8e77959a322818f06533b81d7bc00b36218439d722d2d64f8e78c0a1ec53a03e.exe
Size 6.4MB
Sample240907-tm7wvsvalg
SHA256 8e77959a322818f06533b81d7bc00b36218439d722d2d64f8e78c0a1ec53a03e
MD5 cacc70f8664e2e64794ca8f050efbbf3
SHA1 35fff7e73ca52ed27f2e37519cc79dc3259bdc9e
SHA512 df7eaff621e6683244cb33afd1232ebfeec9da1b4666db87f983f16f7cbe2e04668ebdd3fdcfffa6fea05d9dbd0009e3b2e3490a896574bb072e4ab96dfd8241
SSDEEP 98304:gCApbmXuBRlox66Z8sTONqiy7bRyLK3FjK9mC0n0rePt4MPqA7y:VAp3W8sTviA1ye3Fj6W7tx7y
MD5 SHA1 SHA512 SSDEEP

Score

10^/10

cryptbot credential_access discovery spyware stealer

Malware Config

Extracted

Family

cryptbot

threv3sb.top
analforeverlovyu.top

Attributes

url_path
/v1/upload.php

Signatures

CryptBot
CryptBot is a C++ stealer distributed widely in bundle with other software.
spyware stealer cryptbot
Credentials from Password Stores: Credentials from Web Browsers 1 TTPs
Malicious Access or copy of Web Browser Credential store.
credential_access stealer

Credentials from Web Browsers
T1555.003

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-1-5-21-786284298-625481688-3210388970-1000\Control Panel\International\Geo\Nation	8e77959a322818f06533b81d7bc00b36218439d722d2d64f8e78c0a1ec53a03e.exe

Executes dropped EXE 3 IoCs

pid	Process
4700	service123.exe
3584	service123.exe
4480	service123.exe

Loads dropped DLL 3 IoCs

pid	Process
4700	service123.exe
3584	service123.exe
4480	service123.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
T1552.001
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	8e77959a322818f06533b81d7bc00b36218439d722d2d64f8e78c0a1ec53a03e.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	8e77959a322818f06533b81d7bc00b36218439d722d2d64f8e78c0a1ec53a03e.exe
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0\ProcessorNameString	8e77959a322818f06533b81d7bc00b36218439d722d2d64f8e78c0a1ec53a03e.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
2848	schtasks.exe

Suspicious use of WriteProcessMemory 6 IoCs

description	pid	Process	procid_target
PID 4548 wrote to memory of 4700	4548	8e77959a322818f06533b81d7bc00b36218439d722d2d64f8e78c0a1ec53a03e.exe	95
PID 4548 wrote to memory of 4700	4548	8e77959a322818f06533b81d7bc00b36218439d722d2d64f8e78c0a1ec53a03e.exe	95
PID 4548 wrote to memory of 4700	4548	8e77959a322818f06533b81d7bc00b36218439d722d2d64f8e78c0a1ec53a03e.exe	95
PID 4548 wrote to memory of 2848	4548	8e77959a322818f06533b81d7bc00b36218439d722d2d64f8e78c0a1ec53a03e.exe	96
PID 4548 wrote to memory of 2848	4548	8e77959a322818f06533b81d7bc00b36218439d722d2d64f8e78c0a1ec53a03e.exe	96
PID 4548 wrote to memory of 2848	4548	8e77959a322818f06533b81d7bc00b36218439d722d2d64f8e78c0a1ec53a03e.exe	96

C:\Users\Admin\AppData\Local\Temp\8e77959a322818f06533b81d7bc00b36218439d722d2d64f8e78c0a1ec53a03e.exe
"C:\Users\Admin\AppData\Local\Temp\8e77959a322818f06533b81d7bc00b36218439d722d2d64f8e78c0a1ec53a03e.exe"
1⤵
- Checks computer location settings
- System Location Discovery: System Language Discovery
- Checks processor information in registry
- Suspicious use of WriteProcessMemory
PID:4548
- 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:4700
- 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:2848

C:\Users\Admin\AppData\Local\Temp\service123.exe
C:\Users\Admin\AppData\Local\Temp\/service123.exe
1⤵
- Executes dropped EXE
- Loads dropped DLL
PID:3584

C:\Users\Admin\AppData\Local\Temp\service123.exe
C:\Users\Admin\AppData\Local\Temp\/service123.exe
1⤵
- Executes dropped EXE
- Loads dropped DLL
PID:4480