cryptbot | 79d833993d87d2a09f6ba97c17af49e30483e7d934950c00c762ef5dc3893b84

Analysis

max time kernel
291s
max time network
121s
platform
windows7_x64
resource
win7-20240903-en
resource tags

arch:x64arch:x86image:win7-20240903-enlocale:en-usos:windows7-x64system
submitted
23-09-2024 05:06

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General

Target

79d833993d87d2a09f6ba97c17af49e30483e7d934950c00c762ef5dc3893b84.exe
Size

6.4MB
MD5

99848d0ddfc95e855c62d8932845ae6f
SHA1

fc08e3d98922bc5de0c89968512c3fd778ba5e4b
SHA256

79d833993d87d2a09f6ba97c17af49e30483e7d934950c00c762ef5dc3893b84
SHA512

cf4194368335e63a42408f89102d85cd5f9ca8bb640970ee92ac4e95118b9cfc31a7c3a36b8bcdd84431648328c40c9b44333eb62fd639b1960d783ffd5e217d
SSDEEP

98304:BkuXLm0IH9OJy/fZ6IcLWTMEKJRnghQICSeli4EekEJ:BXXLmz9OJyXZ6IkkArsQAqiPekEJ

Score

10^/10

cryptbot credential_access discovery spyware stealer

Malware Config

Extracted

Family

cryptbot

analforeverlovyu.top

tventyvf20pt.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

Executes dropped EXE 6 IoCs

pid	Process
2864	service123.exe
2880	service123.exe
2344	service123.exe
900	service123.exe
1604	service123.exe
2304	service123.exe

Loads dropped DLL 8 IoCs

pid	Process
1728	79d833993d87d2a09f6ba97c17af49e30483e7d934950c00c762ef5dc3893b84.exe
1728	79d833993d87d2a09f6ba97c17af49e30483e7d934950c00c762ef5dc3893b84.exe
2864	service123.exe
2880	service123.exe
2344	service123.exe
900	service123.exe
1604	service123.exe
2304	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 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	79d833993d87d2a09f6ba97c17af49e30483e7d934950c00c762ef5dc3893b84.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	79d833993d87d2a09f6ba97c17af49e30483e7d934950c00c762ef5dc3893b84.exe
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0\ProcessorNameString	79d833993d87d2a09f6ba97c17af49e30483e7d934950c00c762ef5dc3893b84.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
2732	schtasks.exe

Suspicious use of WriteProcessMemory 28 IoCs

description	pid	Process	procid_target
PID 1728 wrote to memory of 2864	1728	79d833993d87d2a09f6ba97c17af49e30483e7d934950c00c762ef5dc3893b84.exe	31
PID 1728 wrote to memory of 2864	1728	79d833993d87d2a09f6ba97c17af49e30483e7d934950c00c762ef5dc3893b84.exe	31
PID 1728 wrote to memory of 2864	1728	79d833993d87d2a09f6ba97c17af49e30483e7d934950c00c762ef5dc3893b84.exe	31
PID 1728 wrote to memory of 2864	1728	79d833993d87d2a09f6ba97c17af49e30483e7d934950c00c762ef5dc3893b84.exe	31
PID 1728 wrote to memory of 2732	1728	79d833993d87d2a09f6ba97c17af49e30483e7d934950c00c762ef5dc3893b84.exe	32
PID 1728 wrote to memory of 2732	1728	79d833993d87d2a09f6ba97c17af49e30483e7d934950c00c762ef5dc3893b84.exe	32
PID 1728 wrote to memory of 2732	1728	79d833993d87d2a09f6ba97c17af49e30483e7d934950c00c762ef5dc3893b84.exe	32
PID 1728 wrote to memory of 2732	1728	79d833993d87d2a09f6ba97c17af49e30483e7d934950c00c762ef5dc3893b84.exe	32
PID 3028 wrote to memory of 2880	3028	taskeng.exe	35
PID 3028 wrote to memory of 2880	3028	taskeng.exe	35
PID 3028 wrote to memory of 2880	3028	taskeng.exe	35
PID 3028 wrote to memory of 2880	3028	taskeng.exe	35
PID 3028 wrote to memory of 2344	3028	taskeng.exe	36
PID 3028 wrote to memory of 2344	3028	taskeng.exe	36
PID 3028 wrote to memory of 2344	3028	taskeng.exe	36
PID 3028 wrote to memory of 2344	3028	taskeng.exe	36
PID 3028 wrote to memory of 900	3028	taskeng.exe	37
PID 3028 wrote to memory of 900	3028	taskeng.exe	37
PID 3028 wrote to memory of 900	3028	taskeng.exe	37
PID 3028 wrote to memory of 900	3028	taskeng.exe	37
PID 3028 wrote to memory of 1604	3028	taskeng.exe	38
PID 3028 wrote to memory of 1604	3028	taskeng.exe	38
PID 3028 wrote to memory of 1604	3028	taskeng.exe	38
PID 3028 wrote to memory of 1604	3028	taskeng.exe	38
PID 3028 wrote to memory of 2304	3028	taskeng.exe	39
PID 3028 wrote to memory of 2304	3028	taskeng.exe	39
PID 3028 wrote to memory of 2304	3028	taskeng.exe	39
PID 3028 wrote to memory of 2304	3028	taskeng.exe	39

C:\Users\Admin\AppData\Local\Temp\79d833993d87d2a09f6ba97c17af49e30483e7d934950c00c762ef5dc3893b84.exe
"C:\Users\Admin\AppData\Local\Temp\79d833993d87d2a09f6ba97c17af49e30483e7d934950c00c762ef5dc3893b84.exe"
1⤵
- Loads dropped DLL
- System Location Discovery: System Language Discovery
- Checks processor information in registry
- Suspicious use of WriteProcessMemory
PID:1728
- C:\Users\Admin\AppData\Local\Temp\service123.exe
  "C:\Users\Admin\AppData\Local\Temp\service123.exe"
  2⤵
  - Executes dropped EXE
  - Loads dropped DLL
  PID:2864
- 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:2732

C:\Windows\system32\taskeng.exe
taskeng.exe {6733A23A-A4B0-4A09-8E9B-D9AC9967A74B} S-1-5-21-3063565911-2056067323-3330884624-1000:KHBTHJFA\Admin:Interactive:[1]
1⤵
- Suspicious use of WriteProcessMemory
PID:3028
- C:\Users\Admin\AppData\Local\Temp\service123.exe
  C:\Users\Admin\AppData\Local\Temp\/service123.exe
  2⤵
  - Executes dropped EXE
  - Loads dropped DLL
  PID:2880
- C:\Users\Admin\AppData\Local\Temp\service123.exe
  C:\Users\Admin\AppData\Local\Temp\/service123.exe
  2⤵
  - Executes dropped EXE
  - Loads dropped DLL
  PID:2344
- C:\Users\Admin\AppData\Local\Temp\service123.exe
  C:\Users\Admin\AppData\Local\Temp\/service123.exe
  2⤵
  - Executes dropped EXE
  - Loads dropped DLL
  PID:900
- C:\Users\Admin\AppData\Local\Temp\service123.exe
  C:\Users\Admin\AppData\Local\Temp\/service123.exe
  2⤵
  - Executes dropped EXE
  - Loads dropped DLL
  PID:1604
- C:\Users\Admin\AppData\Local\Temp\service123.exe
  C:\Users\Admin\AppData\Local\Temp\/service123.exe
  2⤵
  - Executes dropped EXE
  - Loads dropped DLL
  PID:2304

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Scheduled Task/Job

T1053

Scheduled Task

T1053.005

Persistence

Scheduled Task/Job

T1053

Scheduled Task

T1053.005

Privilege Escalation

Scheduled Task/Job

T1053

Scheduled Task

T1053.005

Defense Evasion

Credential Access

Credentials from Password Stores

T1555

Credentials from Web Browsers

T1555.003

Unsecured Credentials

T1552

Credentials In Files

T1552.001

Discovery

Query Registry

T1012

System Information Discovery

T1082

System Location Discovery

T1614

System Language Discovery

T1614.001

Lateral Movement

Collection

Data from Local System

T1005

Command and Control

Exfiltration

Impact

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Downloads

memory/900-49-0x00000000003B0000-0x00000000003C1000-memory.dmp

Filesize
68KB

Download
memory/1604-64-0x00000000003B0000-0x00000000003C1000-memory.dmp

Filesize
68KB

Download
memory/1728-0-0x0000000000400000-0x000000000106E000-memory.dmp

Filesize
12.4MB

Download
memory/1728-1-0x0000000000400000-0x000000000106E000-memory.dmp

Filesize
12.4MB

Download
memory/1728-14-0x0000000000400000-0x000000000106E000-memory.dmp

Filesize
12.4MB

Download
memory/2304-79-0x00000000003B0000-0x00000000003C1000-memory.dmp

Filesize
68KB

Download
memory/2344-34-0x00000000003B0000-0x00000000003C1000-memory.dmp

Filesize
68KB

Download
memory/2864-20-0x00000000003B0000-0x00000000003C1000-memory.dmp

Filesize
68KB

Download
memory/2864-21-0x0000000074A70000-0x0000000074BAC000-memory.dmp

Filesize
1.2MB

Download
memory/2880-19-0x00000000003B0000-0x00000000003C1000-memory.dmp

Filesize
68KB

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads