MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 021da5ec7464baf51058c8821a0d164a43732466fcd4083990caac6fc8859952. 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: 10


Intelligence 10 IOCs YARA 5 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: 021da5ec7464baf51058c8821a0d164a43732466fcd4083990caac6fc8859952
SHA3-384 hash: 7914b41bccd002957dab63b64eaf6236e49e3995bb6dec70cdfaedb3508dc24990e964ec560bb702f01d630d454b6818
SHA1 hash: 2ac6e9b8de5521e67328509902e856a70a341728
MD5 hash: 541ba123c1635091ad8cce3b51eac212
humanhash: arkansas-floor-johnny-carbon
File name:541ba123c1635091ad8cce3b51eac212.exe
Download: download sample
Signature QuasarRAT
Create hunting rule
File size:3'133'480 bytes
First seen:2025-06-14 13:09:29 UTC
Last seen:Never
File type:Executable exe
MIME type:application/x-dosexec
imphash 500697a5eb94c2fffe714893c0005bdc (10 x LummaStealer, 2 x Vidar, 1 x SnakeKeylogger)
ssdeep 49152:hocb+QxtFMjyMRiIaLl75oLjfgFMwDLH4EdX3FvpwAqvE8SyySzm7rQ0+4KIbbv2:FwyMBap7IjfgKwgE5DwrGy9mI0+/Ibb+
TLSH T1FCE59E3C5195D692FC30807D42B122D87921B736C52C2BFB963CD267AF0F6895EA936C
TrID 63.5% (.EXE) Win64 Executable (generic) (10522/11/4)
12.2% (.EXE) OS/2 Executable (generic) (2029/13)
12.0% (.EXE) Generic Win/DOS Executable (2002/3)
12.0% (.EXE) DOS Executable Generic (2000/1)
Magika pebin
Reporter abuse_ch
Tags:exe QuasarRAT

Intelligence

File Origin
# of uploads :
1
# of downloads :
410
Origin country :
NL NL
Vendor Threat Intelligence
Malware family:
n/a
ID:
1
File name:
541ba123c1635091ad8cce3b51eac212.exe
Verdict:
Malicious activity
Analysis date:
2025-06-14 13:12:53 UTC
Tags:
uac
Link:
https://app.any.run/tasks/cd00b7d9-162b-4478-a471-2a42c0b88dae

Note:
ANY.RUN is an interactive sandbox that analyzes all user actions rather than an uploaded sample
Detection:
n/a
Link:
https://www.capesandbox.com/analysis/9437/
Detection(s):
SecuriteInfo.com.Win64.MalwareX-gen.32483.27012.UNOFFICIAL
Create hunting rule

Verdict:
Clean
Score:
82.2%
Link:
https://cyber-fortress.com/docs/result/index.php?id=684d749c07b5e8c1cfe6c89b
Tags:
n/a
Result
Verdict:
Malware
Maliciousness:

Behaviour
Searching for the window
Launching a process
Creating a window
Сreating synchronization primitives
Connection attempt
Sending a custom TCP request
DNS request
Using the Windows Management Instrumentation requests
Unauthorized injection to a system process
Verdict:
Malicious
Threat level:
  10/10
Confidence:
100%
Tags:
crypt fingerprint invalid-signature microsoft_visual_cc packed packed packer_detected signed
Link:
https://www.filescan.io/uploads/684d74cb171e01f95940b2db/reports/255af4e2-b1ca-4bbc-8326-96d891278e61/overview
Verdict:
Malicious
Labled as:
Win/malicious_confidence_100%
Link:
https://www.hybrid-analysis.com/sample/021da5ec7464baf51058c8821a0d164a43732466fcd4083990caac6fc8859952
Verdict:
Suspicious
Link:
https://analyze.intezer.com/analyses/258f5aeb-fc11-42ad-9e08-2b1e8b3aa443
Result
Threat name:
Quasar
Create hunting rule
Detection:
malicious
Classification:
troj.spyw.evad
Score:
100 / 100
Link:
https://www.joesandbox.com/analysis/1714442
Signature
.NET source code contains potential unpacker
Allocates memory in foreign processes
Found malware configuration
Hides that the sample has been downloaded from the Internet (zone.identifier)
Injects a PE file into a foreign processes
Installs a global keyboard hook
Joe Sandbox ML detected suspicious sample
Multi AV Scanner detection for submitted file
Protects its processes via BreakOnTermination flag
Sample uses string decryption to hide its real strings
Sigma detected: Silenttrinity Stager Msbuild Activity
Writes to foreign memory regions
Yara detected AntiVM3
Yara detected Quasar RAT
Behaviour
Behavior Graph:
Download SVG
Score:
98%
Verdict:
Malware
File Type:
PE
Link:
https://malprob.io/report/021da5ec7464baf51058c8821a0d164a43732466fcd4083990caac6fc8859952
Detection:
n/a
Link:
https://mwdb.cert.pl/sample/021da5ec7464baf51058c8821a0d164a43732466fcd4083990caac6fc8859952/
Threat name:
Win64.Trojan.LummaStealer
Create hunting rule
Status:
Malicious
First seen:
2025-06-14 00:56:56 UTC
File Type:
PE+ (Exe)
Extracted files:
1
AV detection:
20 of 38 (52.63%)
Threat level:
  5/5
Detection(s):
Suspicious file
Link:
https://check.spamhaus.org/check/?searchterm=aio2l3dums5pkecyzcbbudiwjjbxgjdg7tkaqomqzkwg7seftfja._file
Result
Malware family:
n/a
Score:
  5/10
Tags:
discovery
Link:
https://tria.ge/reports/250614-qephrszsht/
Behaviour
Suspicious behavior: AddClipboardFormatListener
Suspicious use of AdjustPrivilegeToken
Suspicious use of SetWindowsHookEx
Suspicious use of WriteProcessMemory
System Location Discovery: System Language Discovery
Suspicious use of SetThreadContext
Verdict:
Malicious
Tags:
n/a
YARA:
n/a
Link:
https://app.threat.zone/submission/5e320933-4465-4504-9e6d-fe26e5787968
Unpacked files
SH256 hash:
021da5ec7464baf51058c8821a0d164a43732466fcd4083990caac6fc8859952
MD5 hash:
541ba123c1635091ad8cce3b51eac212
SHA1 hash:
2ac6e9b8de5521e67328509902e856a70a341728
Link:
https://www.unpac.me/results/7f6a92d1-a749-4891-9947-a3151f610c6e/
Verdict:
Malicious
Link:
https://www.vmray.com/analyses/_mb/021da5ec7464/report/overview.html
Please note that we are no longer able to provide a coverage score for Virus Total.
Threat name:
Legit
Score:
0.13
Link:
https://yomi.yoroi.company/submissions/021da5ec7464baf51058c8821a0d164a43732466fcd4083990caac6fc8859952

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:DebuggerCheck__API
Create hunting rule
Reference:https://github.com/naxonez/yaraRules/blob/master/AntiDebugging.yara
Rule name:golang_bin_JCorn_CSC846
Create hunting rule
Author:Justin Cornwell
Description:CSC-846 Golang detection ruleset
Rule name:pe_detect_tls_callbacks
Create hunting rule
Rule name:PE_Digital_Certificate
Create hunting rule
Author:albertzsigovits
Rule name:Sus_Obf_Enc_Spoof_Hide_PE
Create hunting rule
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.

Cape
Cape
https://www.capesandbox.com/analysis/9437/

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
KERNEL32.dll::CreateThread
WIN_BASE_APIUses Win Base APIKERNEL32.dll::TerminateProcess
KERNEL32.dll::LoadLibraryExW
KERNEL32.dll::GetStartupInfoW
KERNEL32.dll::GetCommandLineA
KERNEL32.dll::GetCommandLineW
WIN_BASE_EXEC_APICan Execute other programsKERNEL32.dll::WriteConsoleW
KERNEL32.dll::ReadConsoleW
KERNEL32.dll::SetStdHandle
KERNEL32.dll::GetConsoleMode
KERNEL32.dll::GetConsoleOutputCP
WIN_BASE_IO_APICan Create FilesKERNEL32.dll::CreateFileW

Comments