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MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 bc9f8ebefe5505eb504755f12e4e29f40b4d6ff2662bf519b1d425c66ab16e6b. 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: 17


Intelligence 17 IOCs YARA 3 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: bc9f8ebefe5505eb504755f12e4e29f40b4d6ff2662bf519b1d425c66ab16e6b
SHA3-384 hash: ab552c2dbec7e1ed35aded164465310cea4d1fbeefe611cbae63b468aa1b543903bef675837b218dc71f91d80e48ccdd
SHA1 hash: 4c80cf45f02b20d996b1bca9cb9d9fe4ede2f733
MD5 hash: 421a3d6d50dfe2c4cb472d43f0a0d547
humanhash: green-autumn-lion-hamper
File name:421a3d6d50dfe2c4cb472d43f0a0d547.exe
Download: download sample
Signature QuasarRAT
Create hunting rule
File size:7'050'752 bytes
First seen:2026-09-23 09:37:06 UTC
Last seen:Never
File type:Executable exe
MIME type:application/x-dosexec
imphash f34d5f2d4577ed6d9ceec516c1f5a744 (49'249 x AgentTesla, 20'531 x Formbook, 12'383 x SnakeKeylogger)
ssdeep 196608:OHI19gBy656kqCaCbKn20erw4CkdggvEUq10vu:GIUBy86KLbKCrwJFUq+
TLSH T18F66BE17C4533A19F40B48D0CCDEE5DEF0C285643A2D82C09D89A4EAD26267B57DDBAF
TrID 73.9% (.EXE) Generic CIL Executable (.NET, Mono, etc.) (73123/4/13)
6.6% (.DLL) Win32 Dynamic Link Library (generic) (6578/25/2)
6.6% (.EXE) Win64 Executable (generic) (6522/11/2)
4.5% (.EXE) Win32 Executable (generic) (4504/4/1)
2.0% (.ICL) Windows Icons Library (generic) (2059/9)
Magika pebin
dhash icon 0c0f133131330f0c (1 x QuasarRAT)
Reporter abuse_ch
Tags:exe QuasarRAT

Intelligence

File Origin
# of uploads :
1
# of downloads :
183
Origin country :
SE SE
Vendor Threat Intelligence
Malware configuration found for:
EvilCoder
Details
Link:
https://research.acce.ciphertechsolutions.com/results/8070e449-c62c-42f8-bdf0-e22d1d667786/
Malware family:
n/a
ID:
1
File name:
Pulsar_Rat.rar
Verdict:
Malicious activity
Analysis date:
2026-09-04 19:14:10 UTC
Tags:
arch-exec evasion pulsar rat confuser
Link:
https://app.any.run/tasks/d2fbf06d-7141-40c5-aa17-335edd781a6c

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/88563/
Detection(s):
SecuriteInfo.com.Trojan.MulDrop23.34226.12819.2562.UNOFFICIAL
Create hunting rule

Result
Verdict:
Malware
Maliciousness:

Behaviour
Сreating synchronization primitives
Creating a file in the %AppData% directory
Creating a process from a recently created file
Creating a file
Creating a window
Creating a file in the %AppData% subdirectories
Launching a process
Using the Windows Management Instrumentation requests
Unauthorized injection to a recently created process
Enabling autorun by creating a file
Verdict:
Malicious
Threat level:
  10/10
Confidence:
100%
Tags:
entropy packed vbnet vidar
Link:
https://www.filescan.io/uploads/6ab39dd7acddd1b457e1616e/reports/2be1d4eb-d5bb-47ac-bf77-b51cb4d09564/overview
Verdict:
Malicious
Labled as:
IL:Trojan.Vidar
Link:
https://www.hybrid-analysis.com/sample/bc9f8ebefe5505eb504755f12e4e29f40b4d6ff2662bf519b1d425c66ab16e6b
Verdict:
Malicious
File Type:
exe x32
First seen:
2026-08-30T19:53:00Z UTC
Last seen:
2026-09-24T18:30:00Z UTC
Hits:
~10
Link:
https://opentip.kaspersky.com/bc9f8ebefe5505eb504755f12e4e29f40b4d6ff2662bf519b1d425c66ab16e6b/results?tab=lookup
Malware family:
Mimikatz
Create hunting rule
Verdict:
Malicious
Link:
https://analyze.intezer.com/analyses/69774117-fed0-440d-abf5-96c07f6bc66b
Result
Threat name:
Clipboard Hijacker, Quasar, XRat
Create hunting rule
Detection:
malicious
Classification:
troj.spyw.expl.evad
Score:
100 / 100
Link:
https://www.joesandbox.com/analysis/1976686
Signature
Antivirus / Scanner detection for submitted sample
Antivirus detection for dropped file
Detected unpacking (changes PE section rights)
Found malware configuration
Hides that the sample has been downloaded from the Internet (zone.identifier)
Joe Sandbox ML detected suspicious sample
Multi AV Scanner detection for dropped file
Multi AV Scanner detection for submitted file
PE file contains section with special chars
PE file has nameless sections
Potential Privilege Escalation using Task Scheduler highest RunLevel
Sample uses string decryption to hide its real strings
Uses dynamic DNS services
Uses schtasks.exe or at.exe to add and modify task schedules
Yara detected Clipboard Hijacker
Yara detected Quasar RAT
Yara detected XRat
Behaviour
Behavior Graph:
Download SVG
behaviorgraph top1 dnsIp2 2 Behavior Graph ID: 1976686 Sample: mVN6k8dh07.exe Startdate: 23/09/2026 Architecture: WINDOWS Score: 100 42 zero2six1.duckdns.org 2->42 54 Found malware configuration 2->54 56 Antivirus / Scanner detection for submitted sample 2->56 58 Multi AV Scanner detection for submitted file 2->58 62 7 other signatures 2->62 10 mVN6k8dh07.exe 4 2->10         started        13 r1update.exe 3 2->13         started        signatures3 60 Uses dynamic DNS services 42->60 process4 file5 36 C:\Users\user\AppData\Roaming\obf.exe, PE32 10->36 dropped 38 C:\Users\user\AppData\Roaming\Pulsar.exe, PE32 10->38 dropped 40 C:\Users\user\AppData\...\mVN6k8dh07.exe.log, CSV 10->40 dropped 16 obf.exe 5 10->16         started        20 Pulsar.exe 2 10->20         started        66 Antivirus detection for dropped file 13->66 68 Multi AV Scanner detection for dropped file 13->68 signatures6 process7 file8 34 C:\Users\user\AppData\...\r1update.exe, PE32 16->34 dropped 46 Antivirus detection for dropped file 16->46 48 Multi AV Scanner detection for dropped file 16->48 50 Detected unpacking (changes PE section rights) 16->50 52 3 other signatures 16->52 22 r1update.exe 2 16->22         started        26 schtasks.exe 1 16->26         started        signatures9 process10 dnsIp11 44 zero2six1.duckdns.org 162.35.105.142, 4782, 49705, 49717 DNIC-AS-00749-UnitedStatesDepartmentofDefenseDoDUS United States 22->44 64 Hides that the sample has been downloaded from the Internet (zone.identifier) 22->64 28 schtasks.exe 1 22->28         started        30 conhost.exe 26->30         started        signatures12 process13 process14 32 conhost.exe 28->32         started       
Score:
100%
Verdict:
Malware
File Type:
PE
Link:
https://malprob.io/report/bc9f8ebefe5505eb504755f12e4e29f40b4d6ff2662bf519b1d425c66ab16e6b
Verdict:
XBinder
YARA:
12 match(es)
Tags:
.Net Crypter Executable Fody/Costura Packer Loader Malicious Managed .NET PDB Path PE (Portable Executable) PE File Layout SOS: 0.16 SOS: 0.18 SOS: 0.19 SOS: 0.20 SOS: 0.23 SOS: 0.24 SOS: 0.25 SOS: 0.28 SOS: 0.29 SOS: 0.31 SOS: 0.34 SOS: 0.35 SOS: 0.37 SOS: 0.40 SOS: 0.99 T1059.007 Win 32 Exe x86 XBinder XBinder Resource XBinder Variant XRijMut Loader
Link:
https://app.malva.re/file/421a3d6d50dfe2c4cb472d43f0a0d547
Detection:
n/a
Link:
https://mwdb.cert.pl/sample/bc9f8ebefe5505eb504755f12e4e29f40b4d6ff2662bf519b1d425c66ab16e6b/
Threat name:
Win32.Backdoor.AsyncRAT
Create hunting rule
Status:
Malicious
First seen:
2026-08-30 01:00:16 UTC
File Type:
PE (.Net Exe)
Extracted files:
6
AV detection:
31 of 38 (81.58%)
Threat level:
  5/5
Detection(s):
Suspicious file
Link:
https://check.spamhaus.org/check/?searchterm=xspy5px6kuc6wuchkxys4trj6qfu237smyv7kgnr2qs4m2vrnzvq._file
Verdict:
malicious
Label(s):
QuasarRAT
Create hunting rule
Link:
https://reports.threatray.com/d69c23af-a82c-4411-9f42-8c23ea2de9c8
Result
Malware family:
n/a
Score:
  7/10
Tags:
execution persistence
Link:
https://tria.ge/reports/260923-llmkjahd74/
Behaviour
Scheduled Task/Job: Scheduled Task
Suspicious behavior: AddClipboardFormatListener
Suspicious use of AdjustPrivilegeToken
Suspicious use of FindShellTrayWindow
Suspicious use of SendNotifyMessage
Suspicious use of WriteProcessMemory
Uses Task Scheduler COM API
Enumerates physical storage devices
ConfuserEx .NET packer
Checks computer location settings
Executes dropped EXE
Unpacked files
SH256 hash:
bc9f8ebefe5505eb504755f12e4e29f40b4d6ff2662bf519b1d425c66ab16e6b
MD5 hash:
421a3d6d50dfe2c4cb472d43f0a0d547
SHA1 hash:
4c80cf45f02b20d996b1bca9cb9d9fe4ede2f733
Link:
https://www.unpac.me/results/ea88294c-6211-4737-a446-c334485254b1/
SH256 hash:
25c39f91f737d80040c72c9e3f95db0fece1c9653f501828adc16cfb1ec59d26
MD5 hash:
3956130e36754f184a0443c850f708f8
SHA1 hash:
4874cd51b0fa5652ed84e3b0c123bee05dcdffc8
Link:
https://www.unpac.me/results/ea88294c-6211-4737-a446-c334485254b1/
SH256 hash:
90142c87ec85e89ffc095f1396d4e085a52a13b5a75c685f640ec7b31b7f6694
MD5 hash:
b8482d0636c82e59faee76856279c6ce
SHA1 hash:
553a059e4e14794197dedc06d9e7afc908aa20b5
Detections:
triage_quasar_rat
Create hunting rule
SUSP_NET_Large_Static_Array_In_Small_File_Jan24
Create hunting rule
Link:
https://www.unpac.me/results/ea88294c-6211-4737-a446-c334485254b1/
SH256 hash:
5dd426ff4d9c86aba5a3139a73fed374408b4cdd991416bcf34c547383fc032a
MD5 hash:
301023be7cf513e694e49d38849c60c9
SHA1 hash:
b1a3e96eef693a242821ef4c89cc1e840915adb0
Detections:
triage_quasar_rat
Create hunting rule
INDICATOR_EXE_Packed_Fody
Create hunting rule
Link:
https://www.unpac.me/results/ea88294c-6211-4737-a446-c334485254b1/
SH256 hash:
c3204951af61df47e5fa54a959f70bf14ed5bd41df1d48855c48243bb19ca6d5
MD5 hash:
0212c7d566eb46b5f9769161666efd7e
SHA1 hash:
b80c855d1bf5a0a7015ec4be3530515d9c860791
Link:
https://www.unpac.me/results/ea88294c-6211-4737-a446-c334485254b1/
Malware family:
PulsarRAT
Create hunting rule
Verdict:
Malicious
Link:
https://www.vmray.com/analyses/_mb/bc9f8ebefe55/report/overview.html
Please note that we are no longer able to provide a coverage score for Virus Total.
Threat name:
iSpy Keylogger
Score:
1.00
Link:
https://yomi.yoroi.company/submissions/bc9f8ebefe5505eb504755f12e4e29f40b4d6ff2662bf519b1d425c66ab16e6b

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:pe_imphash
Create hunting rule
Rule name:Skystars_Malware_Imphash
Create hunting rule
Author:Skystars LightDefender
Description:imphash
Rule name:WIN_Sample_Unique_69354b41
Create hunting rule
Author:Marjoriefort
Description:Specimen unique (soumission Bazaar) - strings distinctifs propres au sample
Reference:69354b41e10daf03d3f3af881b32d5c0fec56b1cfe96629fd4c5263413a42854.exe

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/88563/

Comments