MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 fa25f17c1c39aeeebc03bbc5bd40072b33ddf21f5be1694348dc815a618d6292. 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: 12


Intelligence 12 IOCs YARA 3 File information Comments

SHA256 hash: fa25f17c1c39aeeebc03bbc5bd40072b33ddf21f5be1694348dc815a618d6292
SHA3-384 hash: e8bda6f90c717890b32bc3a48f38174b95898ae6e2669d063de3278d1d4e39a342cb8efbdcc37ba8600d4c1ece82d7ba
SHA1 hash: d18261038ec11e26103919d3758cb56867efb637
MD5 hash: 2e356adc4529854ec086ae00d35f49f1
humanhash: earth-bacon-moon-georgia
File name:2e356adc4529854ec086ae00d35f49f1.exe
Download: download sample
Signature QuasarRAT
File size:2'002'432 bytes
First seen:2025-07-08 14:10:09 UTC
Last seen:Never
File type:Executable exe
MIME type:application/x-dosexec
imphash 538fe118b03fba972f5f932e08ed0963 (3 x QuasarRAT, 1 x DonutLoader)
ssdeep 49152:WSfQ/Qc7j6CFy2yfcKqV6Ym7vMGnx21oA3cpc5a:WSfOQc7j6aVy0KXYm7vMGcSA3V5
Threatray 149 similar samples on MalwareBazaar
TLSH T1B09533CDCC938589E619F93A03431189CDB67F3C4CEC5C6993B29B9026735D80AED79A
TrID 44.4% (.EXE) Win64 Executable (generic) (10522/11/4)
21.3% (.EXE) Win16 NE executable (generic) (5038/12/1)
8.7% (.ICL) Windows Icons Library (generic) (2059/9)
8.5% (.EXE) OS/2 Executable (generic) (2029/13)
8.4% (.EXE) Generic Win/DOS Executable (2002/3)
Magika pebin
Reporter abuse_ch
Tags:exe QuasarRAT

Intelligence


File Origin
# of uploads :
1
# of downloads :
39
Origin country :
SE SE
Vendor Threat Intelligence
Verdict:
Malicious
Score:
94.9%
Tags:
keylog remo word
Result
Verdict:
Clean
Maliciousness:

Behaviour
Creating a window
Verdict:
Suspicious
Threat level:
  5/10
Confidence:
100%
Tags:
anti-debug obfuscated packed packed packer_detected
Result
Threat name:
Detection:
malicious
Classification:
troj.spyw.evad
Score:
96 / 100
Signature
.NET source code contains potential unpacker
Found malware configuration
Hides that the sample has been downloaded from the Internet (zone.identifier)
Installs a global keyboard hook
Malicious sample detected (through community Yara rule)
Multi AV Scanner detection for submitted file
Queries sensitive video device information (via WMI, Win32_VideoController, often done to detect virtual machines)
Sample uses string decryption to hide its real strings
Tries to detect sandboxes and other dynamic analysis tools (process name or module or function)
Yara detected Quasar RAT
Behaviour
Behavior Graph:
Verdict:
inconclusive
YARA:
4 match(es)
Tags:
Executable PE (Portable Executable) Win 64 Exe x64
Threat name:
Win64.Trojan.Donut
Status:
Malicious
First seen:
2025-07-08 02:01:14 UTC
File Type:
PE+ (Exe)
AV detection:
18 of 24 (75.00%)
Threat level:
  5/5
Result
Malware family:
Score:
  10/10
Tags:
family:donutloader family:quasar execution loader persistence spyware stealer trojan
Behaviour
Modifies registry class
Suspicious behavior: AddClipboardFormatListener
Suspicious behavior: EnumeratesProcesses
Suspicious use of AdjustPrivilegeToken
Suspicious use of FindShellTrayWindow
Suspicious use of SetWindowsHookEx
Suspicious use of WriteProcessMemory
Uses Task Scheduler COM API
Enumerates physical storage devices
Drops file in System32 directory
Suspicious use of SetThreadContext
Checks computer location settings
Reads user/profile data of web browsers
Blocklisted process makes network request
Command and Scripting Interpreter: PowerShell
Detects DonutLoader
DonutLoader
Donutloader family
Quasar RAT
Quasar family
Quasar payload
Verdict:
Suspicious
Tags:
n/a
YARA:
n/a
Unpacked files
SH256 hash:
fa25f17c1c39aeeebc03bbc5bd40072b33ddf21f5be1694348dc815a618d6292
MD5 hash:
2e356adc4529854ec086ae00d35f49f1
SHA1 hash:
d18261038ec11e26103919d3758cb56867efb637
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:golang_bin_JCorn_CSC846
Author:Justin Cornwell
Description:CSC-846 Golang detection ruleset
Rule name:pe_detect_tls_callbacks
Rule name:Sus_Obf_Enc_Spoof_Hide_PE
Author:XiAnzheng
Description:Check for Overlay, Obfuscating, Encrypting, Spoofing, Hiding, or Entropy Technique(can create FP)

File information


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

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
Reviews
IDCapabilitiesEvidence
WIN32_PROCESS_APICan Create Process and ThreadsKERNEL32.dll::CloseHandle
WIN_BASE_APIUses Win Base APIKERNEL32.dll::LoadLibraryA
KERNEL32.dll::GetStartupInfoA

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