Windows
Analysis Report
Client-built.exe
Overview
General Information
Sample name: | Client-built.exe |
Analysis ID: | 1665569 |
MD5: | 17de58f65c652fc9e5b7224a42fd20d0 |
SHA1: | a6369a6b5dc73ac7bf2c72bff6d4b1059ff7b1d4 |
SHA256: | e1cd02a8df5e325a4738e0a68464807cfca08f8d71fec828a0b6a7a12eee07a2 |
Tags: | exeuser-abuse_ch |
Infos: | |
Errors
|
Detection
Score: | 56 |
Range: | 0 - 100 |
Confidence: | 100% |
Signatures
Classification
Name | Description | Attribution | Blogpost URLs | Link |
---|---|---|---|---|
Quasar RAT, QuasarRAT | Quasar RAT is a malware family written in .NET which is used by a variety of attackers. The malware is fully functional and open source, and is often packed to make analysis of the source more difficult. |
Source | Rule | Description | Author | Strings |
---|---|---|---|---|
JoeSecurity_Quasar | Yara detected Quasar RAT | Joe Security |
- • AV Detection
- • Compliance
- • E-Banking Fraud
- • System Summary
- • Stealing of Sensitive Information
- • Remote Access Functionality
Click to jump to signature section
AV Detection |
---|
Source: | Virustotal: | Perma Link | ||
Source: | ReversingLabs: |
Source: | File source: |
Source: | Static PE information: |
Source: | Static PE information: |
E-Banking Fraud |
---|
Source: | File source: |
Source: | Static PE information: |
Source: | Static PE information: |
Source: | Static PE information: |
Source: | Classification label: |
Source: | Static PE information: |
Source: | Virustotal: | ||
Source: | ReversingLabs: |
Source: | Static PE information: |
Source: | Static PE information: |
Source: | Static file information: |
Source: | Static PE information: |
Source: | Static PE information: |
Stealing of Sensitive Information |
---|
Source: | File source: |
Remote Access Functionality |
---|
Source: | File source: |
Source | Detection | Scanner | Label | Link |
---|---|---|---|---|
19% | Virustotal | Browse | ||
25% | ReversingLabs | Win32.Malware.Heuristic |
Joe Sandbox version: | 42.0.0 Malachite |
Analysis ID: | 1665569 |
Start date and time: | 2025-04-15 17:13:42 +02:00 |
Joe Sandbox product: | CloudBasic |
Overall analysis duration: | 0h 1m 34s |
Hypervisor based Inspection enabled: | false |
Report type: | full |
Cookbook file name: | default.jbs |
Analysis system description: | Windows 10 x64 22H2 with Office Professional Plus 2019, Chrome 134, Firefox 118, Adobe Reader DC 23, Java 8 Update 381, 7zip 23.01 |
Number of analysed new started processes analysed: | 0 |
Number of new started drivers analysed: | 0 |
Number of existing processes analysed: | 0 |
Number of existing drivers analysed: | 0 |
Number of injected processes analysed: | 0 |
Technologies: |
|
Analysis Mode: | default |
Analysis stop reason: | Timeout |
Sample name: | Client-built.exe |
Detection: | MAL |
Classification: | mal56.troj.winEXE@0/0@0/0 |
Cookbook Comments: |
|
- No process behavior to analyse
as no analysis process or sam ple was found - Corrupt sample or wrongly sele
cted analyzer. Details: %1 is not a valid Win32 application.
File type: | |
Entropy (8bit): | 5.902007642578072 |
TrID: |
|
File name: | Client-built.exe |
File size: | 2'457'408 bytes |
MD5: | 17de58f65c652fc9e5b7224a42fd20d0 |
SHA1: | a6369a6b5dc73ac7bf2c72bff6d4b1059ff7b1d4 |
SHA256: | e1cd02a8df5e325a4738e0a68464807cfca08f8d71fec828a0b6a7a12eee07a2 |
SHA512: | fca8927e6f12d22e34db027f6ebf5e78a99d2b59f9f1e4452f075fd648fe32c7270f48d1af3571ce508165e8ccc08555fcf875bd30bd50567738851f29fd5fb1 |
SSDEEP: | 49152:Cvkt62XlaSFNWPjljiFa2RoUYIr4mWmzP:Cv462XlaSFNWPjljiFXRoUYIr4mb |
TLSH: | B9B54A0177E95EB3E51ED2B3D0A1645763F0D82AE383FB43A561BB766C9376498028C3 |
File Content Preview: | MZ......................@...............................................!..L.!This program cannot be run in DOS mode....$.......PE..L......d..................1...........1.. ........@.. .......................@2...........@................................ |
Icon Hash: | 90cececece8e8eb0 |
Entrypoint: | 0x71e3ee |
Entrypoint Section: | .text |
Digitally signed: | false |
Imagebase: | 0x400000 |
Subsystem: | windows gui |
Image File Characteristics: | EXECUTABLE_IMAGE, 32BIT_MACHINE |
DLL Characteristics: | DYNAMIC_BASE, NX_COMPAT, NO_SEH, TERMINAL_SERVER_AWARE |
Time Stamp: | 0x640DFAE7 [Sun Mar 12 16:16:39 2023 UTC] |
TLS Callbacks: | |
CLR (.Net) Version: | |
OS Version Major: | 4 |
OS Version Minor: | 0 |
File Version Major: | 4 |
File Version Minor: | 0 |
Subsystem Version Major: | 4 |
Subsystem Version Minor: | 0 |
Import Hash: |
Name | Virtual Address | Virtual Size | Is in Section |
---|---|---|---|
IMAGE_DIRECTORY_ENTRY_EXPORT | 0x0 | 0x0 | |
IMAGE_DIRECTORY_ENTRY_IMPORT | 0x31e3a0 | 0x4b | .text |
IMAGE_DIRECTORY_ENTRY_RESOURCE | 0x320000 | 0xa93 | .rsrc |
IMAGE_DIRECTORY_ENTRY_EXCEPTION | 0x0 | 0x0 | |
IMAGE_DIRECTORY_ENTRY_SECURITY | 0x0 | 0x0 | |
IMAGE_DIRECTORY_ENTRY_BASERELOC | 0x322000 | 0xc | .reloc |
IMAGE_DIRECTORY_ENTRY_DEBUG | 0x0 | 0x0 | |
IMAGE_DIRECTORY_ENTRY_COPYRIGHT | 0x0 | 0x0 | |
IMAGE_DIRECTORY_ENTRY_GLOBALPTR | 0x0 | 0x0 | |
IMAGE_DIRECTORY_ENTRY_TLS | 0x0 | 0x0 | |
IMAGE_DIRECTORY_ENTRY_LOAD_CONFIG | 0x0 | 0x0 | |
IMAGE_DIRECTORY_ENTRY_BOUND_IMPORT | 0x0 | 0x0 | |
IMAGE_DIRECTORY_ENTRY_IAT | 0x2000 | 0x8 | .text |
IMAGE_DIRECTORY_ENTRY_DELAY_IMPORT | 0x0 | 0x0 | |
IMAGE_DIRECTORY_ENTRY_COM_DESCRIPTOR | 0x2008 | 0x48 | .text |
IMAGE_DIRECTORY_ENTRY_RESERVED | 0x0 | 0x0 |
Name | Virtual Address | Virtual Size | Raw Size | MD5 | Xored PE | ZLIB Complexity | File Type | Entropy | Characteristics |
---|---|---|---|---|---|---|---|---|---|
.text | 0x2000 | 0x31c3f4 | 0x31c400 | 0df27a550295cd5a7ea8a12c1a15a60e | unknown | unknown | unknown | unknown | IMAGE_SCN_CNT_CODE, IMAGE_SCN_MEM_EXECUTE, IMAGE_SCN_MEM_READ |
.rsrc | 0x320000 | 0xa93 | 0xc00 | d41d8cd98f00b204e9800998ecf8427e | False | 0 | empty | 0.0 | IMAGE_SCN_CNT_INITIALIZED_DATA, IMAGE_SCN_MEM_READ |
.reloc | 0x322000 | 0xc | 0x200 | d41d8cd98f00b204e9800998ecf8427e | False | 0 | empty | 0.0 | IMAGE_SCN_CNT_INITIALIZED_DATA, IMAGE_SCN_MEM_DISCARDABLE, IMAGE_SCN_MEM_READ |