cryptbot | 7a35c91fbd4871c10b50ecb9184da53ff57f61e3bd242347b108d7eaf2327434

General

Target
7a35c91fbd4871c10b50ecb9184da53ff57f61e3bd242347b108d7eaf2327434.exe
Size 6.3MB
Sample240926-mrbkwssfmk
SHA256 7a35c91fbd4871c10b50ecb9184da53ff57f61e3bd242347b108d7eaf2327434
MD5 9c6348961ddfb93988d54adff5e45bfa
SHA1 7fd1bbdb3f4e024d74b38088d99c5f3bee8f28f5
SHA512 2cb4b575738c33865bd656225c560ec837f832d8bf8e9927fc5e154b2ad6f65a1ee53b275fb10894ea9bcf813cc5e6d99f8aa8ba2bd4b3d7ebbd4e44620cd02d
SSDEEP 49152:iQhbGEGVCjdEbS7IhzjyHP+M8zArBpP+puwK8kkIYjrSXmF+kTV7XU0Bt8su/hY9:2bSGSHH8zzEV8kk5S2FpVtBM/hYCx1E3
MD5 SHA1 SHA512 SSDEEP

Score

10^/10

cryptbot discovery spyware stealer

Malware Config

Extracted

Family

cryptbot

C2

twelvevf12vt.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

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-1-5-21-355097885-2402257403-2971294179-1000\Control Panel\International\Geo\Nation	7a35c91fbd4871c10b50ecb9184da53ff57f61e3bd242347b108d7eaf2327434.exe

Executes dropped EXE 3 IoCs

pid	Process
844	service123.exe
3844	service123.exe
4336	service123.exe

Loads dropped DLL 3 IoCs

pid	Process
844	service123.exe
3844	service123.exe
4336	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	7a35c91fbd4871c10b50ecb9184da53ff57f61e3bd242347b108d7eaf2327434.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	7a35c91fbd4871c10b50ecb9184da53ff57f61e3bd242347b108d7eaf2327434.exe
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0\ProcessorNameString	7a35c91fbd4871c10b50ecb9184da53ff57f61e3bd242347b108d7eaf2327434.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
2228	schtasks.exe

Suspicious use of WriteProcessMemory 6 IoCs

description	pid	Process	procid_target
PID 2812 wrote to memory of 844	2812	7a35c91fbd4871c10b50ecb9184da53ff57f61e3bd242347b108d7eaf2327434.exe	92
PID 2812 wrote to memory of 844	2812	7a35c91fbd4871c10b50ecb9184da53ff57f61e3bd242347b108d7eaf2327434.exe	92
PID 2812 wrote to memory of 844	2812	7a35c91fbd4871c10b50ecb9184da53ff57f61e3bd242347b108d7eaf2327434.exe	92
PID 2812 wrote to memory of 2228	2812	7a35c91fbd4871c10b50ecb9184da53ff57f61e3bd242347b108d7eaf2327434.exe	93
PID 2812 wrote to memory of 2228	2812	7a35c91fbd4871c10b50ecb9184da53ff57f61e3bd242347b108d7eaf2327434.exe	93
PID 2812 wrote to memory of 2228	2812	7a35c91fbd4871c10b50ecb9184da53ff57f61e3bd242347b108d7eaf2327434.exe	93

C:\Users\Admin\AppData\Local\Temp\7a35c91fbd4871c10b50ecb9184da53ff57f61e3bd242347b108d7eaf2327434.exe
"C:\Users\Admin\AppData\Local\Temp\7a35c91fbd4871c10b50ecb9184da53ff57f61e3bd242347b108d7eaf2327434.exe"
1⤵
- Checks computer location settings
- System Location Discovery: System Language Discovery
- Checks processor information in registry
- Suspicious use of WriteProcessMemory
PID:2812
- 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:844
- 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:2228

C:\Users\Admin\AppData\Local\Temp\service123.exe
C:\Users\Admin\AppData\Local\Temp\/service123.exe
1⤵
- Executes dropped EXE
- Loads dropped DLL
PID:3844

C:\Users\Admin\AppData\Local\Temp\service123.exe
C:\Users\Admin\AppData\Local\Temp\/service123.exe
1⤵
- Executes dropped EXE
- Loads dropped DLL
PID:4336