MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 d6775da94945ff5cbd26a1711f69cecdce981386983d2f504914630639563c36. 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: 16


Intelligence 16 IOCs YARA 6 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: d6775da94945ff5cbd26a1711f69cecdce981386983d2f504914630639563c36
SHA3-384 hash: 9885bd0c00ea1be6ee16f48e2fff5cebb9ce0305fb1e9a8b6cc6e56a2d38be889951107a3fb33c68513d625e5701d08b
SHA1 hash: 1a615d015154c11a6da1aa86711455b71c375969
MD5 hash: 42f0d8da6d18d54daf4ea76dae68d00c
humanhash: wyoming-emma-bluebird-high
File name:stage2_payload.bin
Download: download sample
Signature QuasarRAT
Create hunting rule
File size:1'571'840 bytes
First seen:2025-11-17 13:48:33 UTC
Last seen:Never
File type:Executable exe
MIME type:application/x-dosexec
imphash f34d5f2d4577ed6d9ceec516c1f5a744 (48'748 x AgentTesla, 19'642 x Formbook, 12'245 x SnakeKeylogger)
ssdeep 12288:UaOvMqs5/edK18hHAcbDwyPUKXhVN4objlNjSSTIhpe8pkUsMzGj3LHiUaSRLMBE:UVMehlBN6wyeL0J5g
TLSH T17575383439FA502AB173EFAA5BE4799ADA6FB7333B07645D1050038A4723981DEC153E
TrID 67.7% (.EXE) Generic CIL Executable (.NET, Mono, etc.) (73123/4/13)
9.7% (.EXE) Win64 Executable (generic) (10522/11/4)
6.0% (.DLL) Win32 Dynamic Link Library (generic) (6578/25/2)
4.6% (.EXE) Win16 NE executable (generic) (5038/12/1)
4.1% (.EXE) Win32 Executable (generic) (4504/4/1)
Magika pebin
Reporter Mr128BitOff
Tags:exe QuasarRAT Zusy

Intelligence

File Origin
# of uploads :
1
# of downloads :
96
Origin country :
US US
Vendor Threat Intelligence
Malware family:
quasar
Create hunting rule
ID:
1
File name:
stage2_payload.bin
Verdict:
Malicious activity
Analysis date:
2025-11-17 13:51:04 UTC
Tags:
evasion amsi-bypass quasar
Link:
https://app.any.run/tasks/70eaaf17-fd58-48fd-bed5-0901054f9a59

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/38483/
Verdict:
Malicious
Score:
99.1%
Link:
https://cyber-fortress.com/docs/result/index.php?id=691b27e4bdb0ec3a9dc2c0e3
Tags:
phishing virus sage remo
Result
Verdict:
Malware
Maliciousness:

Behaviour
Creating a file
Сreating synchronization primitives
Running batch commands
Launching a process
Creating a window
Connection attempt to an infection source
DNS request
Connection attempt
Sending a custom TCP request
Using the Windows Management Instrumentation requests
Query of malicious DNS domain
Sending a TCP request to an infection source
Verdict:
Suspicious
Threat level:
  5/10
Confidence:
100%
Tags:
base64 cmd lolbin masquerade schtasks
Link:
https://www.filescan.io/uploads/691b27e21f8cca3c9307df03/reports/ba76dc05-1510-4885-afbb-30d5507c7a8c/overview
Verdict:
Malicious
Labled as:
Suspicious:TrojanDrop.Agent.A.gaau
Link:
https://www.hybrid-analysis.com/sample/d6775da94945ff5cbd26a1711f69cecdce981386983d2f504914630639563c36
Verdict:
Malicious
File Type:
exe x32
First seen:
2025-11-16T17:27:00Z UTC
Last seen:
2025-11-17T09:29:00Z UTC
Hits:
~10
Link:
https://opentip.kaspersky.com/d6775da94945ff5cbd26a1711f69cecdce981386983d2f504914630639563c36/results?tab=lookup
Verdict:
Suspicious
Link:
https://analyze.intezer.com/analyses/1f548e47-6443-4201-88c4-5a85c58b48f1
Score:
100%
Verdict:
Malware
File Type:
PE
Link:
https://malprob.io/report/d6775da94945ff5cbd26a1711f69cecdce981386983d2f504914630639563c36
Verdict:
inconclusive
YARA:
10 match(es)
Tags:
.Net Executable Managed .NET PE (Portable Executable) PE File Layout SOS: 0.38 Win 32 Exe x86
Link:
https://app.malva.re/file/42f0d8da6d18d54daf4ea76dae68d00c
Detection:
n/a
Link:
https://mwdb.cert.pl/sample/d6775da94945ff5cbd26a1711f69cecdce981386983d2f504914630639563c36/
Threat name:
Win32.Infostealer.Tinba
Create hunting rule
Status:
Malicious
First seen:
2025-11-16 22:23:01 UTC
File Type:
PE (.Net Exe)
Extracted files:
1
AV detection:
21 of 24 (87.50%)
Threat level:
  5/5
Detection(s):
Suspicious file
Link:
https://check.spamhaus.org/check/?searchterm=2z3v3kkjix7vzpjgufyr62oozxhjqe4gta6s6ucjcrrqmokwhq3a._file
Verdict:
malicious
Label(s):
quasarrat
Create hunting rule
Similar samples:
error
QuasarRAT
Result
Malware family:
quasar
Create hunting rule
Score:
  10/10
Tags:
family:quasar persistence spyware trojan
Link:
https://tria.ge/reports/251117-q4t5jsyphw/
Behaviour
Suspicious use of AdjustPrivilegeToken
Suspicious use of WriteProcessMemory
Uses Task Scheduler COM API
Quasar RAT
Quasar family
Quasar payload
Verdict:
Malicious
Tags:
n/a
YARA:
n/a
Link:
https://app.threat.zone/submission/f3eec2d2-98b7-4f6e-bedd-f80c01b495ef
Unpacked files
SH256 hash:
d6775da94945ff5cbd26a1711f69cecdce981386983d2f504914630639563c36
MD5 hash:
42f0d8da6d18d54daf4ea76dae68d00c
SHA1 hash:
1a615d015154c11a6da1aa86711455b71c375969
Link:
https://www.unpac.me/results/440a9e83-2861-48d9-a2eb-ebbdde8a1591/
Malware family:
QuasarRAT
Create hunting rule
Verdict:
Malicious
Link:
https://www.vmray.com/analyses/_mb/d6775da94945/report/overview.html
Please note that we are no longer able to provide a coverage score for Virus Total.
Threat name:
Malicious File
Score:
1.00
Link:
https://yomi.yoroi.company/submissions/d6775da94945ff5cbd26a1711f69cecdce981386983d2f504914630639563c36

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:NETexecutableMicrosoft
Create hunting rule
Author:malware-lu
Rule name:pe_imphash
Create hunting rule
Rule name:SEH__vectored
Create hunting rule
Reference:https://github.com/naxonez/yaraRules/blob/master/AntiDebugging.yara
Rule name:Skystars_Malware_Imphash
Create hunting rule
Author:Skystars LightDefender
Description:imphash
Rule name:Sus_CMD_Powershell_Usage
Create hunting rule
Author:XiAnzheng
Description:May Contain(Obfuscated or no) Powershell or CMD Command that can be abused by threat actor(can create FP)
Rule name:ThreadControl__Context
Create hunting rule
Reference:https://github.com/naxonez/yaraRules/blob/master/AntiDebugging.yara

File information

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

Web download

QuasarRAT

Executable exe d6775da94945ff5cbd26a1711f69cecdce981386983d2f504914630639563c36

(this sample)

  
Delivery method
Distributed via web download
Cape
Cape
https://www.capesandbox.com/analysis/38483/

Comments