MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 2383b97ef686b72097c44f7b83f4f0ed27e97fb378c3bcab610fc7ca1e9100b6. While MalwareBazaar tries to identify whether the sample provided is malicious or not, there is no guarantee that a sample in MalwareBazaar is malicious.

Database Entry



QuasarRAT


Vendor detections: 15


Intelligence 15 IOCs YARA 4 File information Comments

SHA256 hash: 2383b97ef686b72097c44f7b83f4f0ed27e97fb378c3bcab610fc7ca1e9100b6
SHA3-384 hash: fb2f015fd9d94e32137faf2c248ea91fc473ac1d7c8a17c24a0c895a239f4f211e80305c7902b9046e9d502f06b37776
SHA1 hash: 794e6bc004dfaabc8328357e4514d4d60db463c1
MD5 hash: dae9eb1454d9b439b74d1e85dba72223
humanhash: magnesium-august-pennsylvania-harry
File name:Auftragsbestätigung.exe
Download: download sample
Signature QuasarRAT
File size:7'168 bytes
First seen:2025-02-20 12:07:47 UTC
Last seen:2025-02-20 13:03:58 UTC
File type:Executable exe
MIME type:application/x-dosexec
imphash f34d5f2d4577ed6d9ceec516c1f5a744 (48'663 x AgentTesla, 19'478 x Formbook, 12'208 x SnakeKeylogger)
ssdeep 96:mPdn08yD96sJLb9N7aMtjGPz4Txl1qg/4AEwdqyzNt:mPdn0PILeGPz4tlQg/4AQ0
Threatray 1'125 similar samples on MalwareBazaar
TLSH T13EE1B64573E89722D1B78BB56CB3E3410278FB529C73CF6F28C4510B2D6134859627B5
TrID 71.1% (.EXE) Generic CIL Executable (.NET, Mono, etc.) (73123/4/13)
10.2% (.EXE) Win64 Executable (generic) (10522/11/4)
6.3% (.DLL) Win32 Dynamic Link Library (generic) (6578/25/2)
4.3% (.EXE) Win32 Executable (generic) (4504/4/1)
2.0% (.ICL) Windows Icons Library (generic) (2059/9)
Magika pebin
Reporter lowmal3
Tags:exe QuasarRAT

Intelligence


File Origin
# of uploads :
2
# of downloads :
688
Origin country :
DE DE
Vendor Threat Intelligence
Malware family:
ID:
1
File name:
Auftragsbestätigung.exe
Verdict:
Malicious activity
Analysis date:
2025-02-20 12:10:16 UTC
Tags:
opendir purecrypter netreactor rat quasar remote evasion

Note:
ANY.RUN is an interactive sandbox that analyzes all user actions rather than an uploaded sample
Verdict:
Malicious
Score:
96.5%
Tags:
virus micro msil
Result
Verdict:
Malware
Maliciousness:

Behaviour
Сreating synchronization primitives
Connection attempt
Sending an HTTP GET request
Creating a file in the %AppData% directory
Creating a process from a recently created file
Creating a window
DNS request
Enabling autorun with the standard Software\Microsoft\Windows\CurrentVersion\Run registry branch
Unauthorized injection to a recently created process
Unauthorized injection to a recently created process by context flags manipulation
Verdict:
Malicious
Labled as:
MSIL/TrojanDownloader.Agent_AGen
Result
Verdict:
UNKNOWN
Details
Windows PE Executable
Found a Windows Portable Executable (PE) binary. Depending on context, the presence of a binary is suspicious or malicious.
Result
Threat name:
Detection:
malicious
Classification:
troj.evad
Score:
100 / 100
Signature
.NET source code contains potential unpacker
Found malware configuration
Hides that the sample has been downloaded from the Internet (zone.identifier)
Injects a PE file into a foreign processes
Joe Sandbox ML detected suspicious sample
Malicious sample detected (through community Yara rule)
Multi AV Scanner detection for dropped file
Multi AV Scanner detection for submitted file
Sample uses string decryption to hide its real strings
Suricata IDS alerts for network traffic
Tries to detect sandboxes and other dynamic analysis tools (process name or module or function)
Yara detected AntiVM3
Yara detected Costura Assembly Loader
Yara detected Quasar RAT
Behaviour
Behavior Graph:
Threat name:
ByteCode-MSIL.Trojan.DarkCloud
Status:
Malicious
First seen:
2025-02-20 12:08:17 UTC
File Type:
PE (.Net Exe)
Extracted files:
1
AV detection:
21 of 24 (87.50%)
Threat level:
  5/5
Result
Malware family:
Score:
  10/10
Tags:
family:quasar botnet:floo discovery persistence spyware trojan
Behaviour
Suspicious behavior: EnumeratesProcesses
Suspicious use of AdjustPrivilegeToken
Suspicious use of FindShellTrayWindow
Suspicious use of SendNotifyMessage
Suspicious use of WriteProcessMemory
Enumerates physical storage devices
Program crash
System Location Discovery: System Language Discovery
Suspicious use of SetThreadContext
Adds Run key to start application
Quasar RAT
Quasar family
Quasar payload
Suspicious use of NtCreateUserProcessOtherParentProcess
Malware Config
C2 Extraction:
che.ydns.eu:4213
kamsi.ydns.eu:4213
kin.ydns.eu:4213
Unpacked files
SH256 hash:
2383b97ef686b72097c44f7b83f4f0ed27e97fb378c3bcab610fc7ca1e9100b6
MD5 hash:
dae9eb1454d9b439b74d1e85dba72223
SHA1 hash:
794e6bc004dfaabc8328357e4514d4d60db463c1
Malware family:
QuasarRAT
Verdict:
Malicious
Please note that we are no longer able to provide a coverage score for Virus Total.

YARA Signatures


MalwareBazaar uses YARA rules from several public and non-public repositories, such as YARAhub and Malpedia. Those are being matched against malware samples uploaded to MalwareBazaar as well as against any suspicious process dumps they may create. Please note that only results from TLP:CLEAR rules are being displayed.

Rule name:NET
Author:malware-lu
Rule name:NETexecutableMicrosoft
Author:malware-lu
Rule name:pe_imphash
Rule name:Skystars_Malware_Imphash
Author:Skystars LightDefender
Description:imphash

File information


The table below shows additional information about this malware sample such as delivery method and external references.

Malspam

QuasarRAT

Executable exe 2383b97ef686b72097c44f7b83f4f0ed27e97fb378c3bcab610fc7ca1e9100b6

(this sample)

  
Delivery method
Distributed via e-mail attachment

BLint


The following table provides more information about this file using BLint. BLint is a Binary Linter to check the security properties, and capabilities in executables.

Findings
IDTitleSeverity
CHECK_AUTHENTICODEMissing Authenticodehigh
CHECK_DLL_CHARACTERISTICSMissing dll Security Characteristics (GUARD_CF)high

Comments