MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 fabdbed3ca32060b91bb42fa91805c87a811ce4487ebcec656bac9cbb8ad1a3e. 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: 13


Intelligence 13 IOCs YARA 4 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: fabdbed3ca32060b91bb42fa91805c87a811ce4487ebcec656bac9cbb8ad1a3e
SHA3-384 hash: 98f6c70e0d4570211d59c9d33ac00d30d00709f72c80c10f2d6a811fa50b760017593d2260284373d83a5ed09f4470f3
SHA1 hash: d4b0f139fa07de5693891cb7bef67ea6f0e76b05
MD5 hash: 369b223157bcea697e4529006bdf184b
humanhash: three-hamper-grey-three
File name:fabdbed3ca32060b91bb42fa91805c87a811ce4487ebcec656bac9cbb8ad1a3e
Download: download sample
Signature QuasarRAT
Create hunting rule
File size:6'928'896 bytes
First seen:2025-05-09 13:44:18 UTC
Last seen:Never
File type:Executable exe
MIME type:application/x-dosexec
imphash f34d5f2d4577ed6d9ceec516c1f5a744 (48'666 x AgentTesla, 19'479 x Formbook, 12'209 x SnakeKeylogger)
ssdeep 98304:s5sBVsdYqfhJ1I/0GLATaX1/vI80n3vajAal37Rwb:s5VYqLIcGLWah/GC/lGb
Threatray 2 similar samples on MalwareBazaar
TLSH T11366237F7BFD8408E97D46BA403085425771B6431A22EB2E3285677C4E227DAFA12773
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 adrian__luca
Tags:exe QuasarRAT

Intelligence

File Origin
# of uploads :
1
# of downloads :
316
Origin country :
HU HU
Vendor Threat Intelligence
Malware family:
n/a
ID:
1
File name:
fabdbed3ca32060b91bb42fa91805c87a811ce4487ebcec656bac9cbb8ad1a3e
Verdict:
No threats detected
Analysis date:
2025-05-09 21:00:07 UTC
Tags:
httpdebugger tool
Link:
https://app.any.run/tasks/a98b9849-9c93-46f9-8ed0-b15cd9a1e41c

Note:
ANY.RUN is an interactive sandbox that analyzes all user actions rather than an uploaded sample
Verdict:
Malicious
Score:
90.9%
Link:
https://cyber-fortress.com/docs/result/index.php?id=681e07dae16384d6a7034974
Tags:
virus micro remo
Result
Verdict:
Malware
Maliciousness:

Behaviour
Searching for the window
Сreating synchronization primitives
Creating a window
Verdict:
Likely Malicious
Threat level:
  7.5/10
Confidence:
100%
Tags:
formbook keylogger obfuscated obfuscated snake vbnet
Link:
https://www.filescan.io/uploads/681e06bcd95f3e34e965314e/reports/1abe34ec-d4e5-413a-8389-b69374eb4a54/overview
Verdict:
Malicious
Labled as:
Win/malicious_confidence_100%
Link:
https://www.hybrid-analysis.com/sample/fabdbed3ca32060b91bb42fa91805c87a811ce4487ebcec656bac9cbb8ad1a3e
Verdict:
Unknown
Link:
https://analyze.intezer.com/analyses/59961490-da28-443b-a104-9d8d2b3e0c84
Result
Threat name:
AsyncRAT, DarkTortilla, Quasar
Create hunting rule
Detection:
malicious
Classification:
troj.evad.spyw
Score:
100 / 100
Link:
https://www.joesandbox.com/analysis/1686224
Signature
Contains functionality to check if a debugger is running (CheckRemoteDebuggerPresent)
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
Tries to delay execution (extensive OutputDebugStringW loop)
Uses schtasks.exe or at.exe to add and modify task schedules
Yara detected AntiVM3
Yara detected AsyncRAT
Yara detected DarkTortilla Crypter
Yara detected Quasar RAT
Behaviour
Behavior Graph:
Download SVG
behaviorgraph top1 signatures2 2 Behavior Graph ID: 1686224 Sample: AFJr3NWDC8.exe Startdate: 10/05/2025 Architecture: WINDOWS Score: 100 31 Found malware configuration 2->31 33 Malicious sample detected (through community Yara rule) 2->33 35 Multi AV Scanner detection for submitted file 2->35 37 6 other signatures 2->37 8 AFJr3NWDC8.exe 3 2->8         started        12 ExcelBooks.exe 2 2->12         started        process3 file4 27 C:\Users\user\AppData\...\AFJr3NWDC8.exe.log, ASCII 8->27 dropped 45 Uses schtasks.exe or at.exe to add and modify task schedules 8->45 47 Tries to delay execution (extensive OutputDebugStringW loop) 8->47 49 Hides that the sample has been downloaded from the Internet (zone.identifier) 8->49 51 2 other signatures 8->51 14 AFJr3NWDC8.exe 4 8->14         started        18 AFJr3NWDC8.exe 8->18         started        signatures5 process6 file7 29 C:\Users\user\AppData\...xcelBooks.exe, PE32 14->29 dropped 53 Hides that the sample has been downloaded from the Internet (zone.identifier) 14->53 20 ExcelBooks.exe 2 14->20         started        23 schtasks.exe 1 14->23         started        signatures8 process9 signatures10 39 Multi AV Scanner detection for dropped file 20->39 41 Tries to delay execution (extensive OutputDebugStringW loop) 20->41 43 Hides that the sample has been downloaded from the Internet (zone.identifier) 20->43 25 conhost.exe 23->25         started        process11
Score:
98%
Verdict:
Malware
File Type:
PE
Link:
https://malprob.io/report/fabdbed3ca32060b91bb42fa91805c87a811ce4487ebcec656bac9cbb8ad1a3e
Detection:
n/a
Link:
https://mwdb.cert.pl/sample/fabdbed3ca32060b91bb42fa91805c87a811ce4487ebcec656bac9cbb8ad1a3e/
Threat name:
Win32.Trojan.Leonem
Create hunting rule
Status:
Malicious
First seen:
2025-04-23 07:22:04 UTC
File Type:
PE (.Net Exe)
Extracted files:
216
AV detection:
21 of 24 (87.50%)
Threat level:
  5/5
Detection(s):
Suspicious file
Link:
https://check.spamhaus.org/check/?searchterm=7k635u6kgidaxen3il5jdac4q6ubdtseq7v45rswxle4xofndi7a._file
Verdict:
malicious
Label(s):
quasarrat
Create hunting rule
Similar samples:
error
QuasarRAT
fabdbed3ca32060b91bb42fa91805c87a811ce4487ebcec656bac9cbb8ad1a3e
QuasarRAT
Result
Malware family:
quasar
Create hunting rule
Score:
  10/10
Tags:
family:quasar botnet:oib discovery spyware trojan
Link:
https://tria.ge/reports/250509-q121zsvvgv/
Behaviour
Scheduled Task/Job: Scheduled Task
Suspicious behavior: EnumeratesProcesses
Suspicious use of AdjustPrivilegeToken
Suspicious use of WriteProcessMemory
System Location Discovery: System Language Discovery
Suspicious use of SetThreadContext
Executes dropped EXE
Quasar RAT
Quasar family
Quasar payload
Malware Config
C2 Extraction:
zzzttv.ydns.eu:1351
Verdict:
Suspicious
Tags:
n/a
YARA:
n/a
Link:
https://app.threat.zone/submission/994686ba-0b19-44ca-8c7f-4badf4f05abe
Unpacked files
SH256 hash:
fabdbed3ca32060b91bb42fa91805c87a811ce4487ebcec656bac9cbb8ad1a3e
MD5 hash:
369b223157bcea697e4529006bdf184b
SHA1 hash:
d4b0f139fa07de5693891cb7bef67ea6f0e76b05
Link:
https://www.unpac.me/results/53830a03-87e7-4bdc-bc2d-2903b67d141c/
SH256 hash:
681ceca13121e08d21f13c77ce949995482fd2601203807a563a0ade66381d7f
MD5 hash:
130ff0d5e15b8afa8824c257a5f11f59
SHA1 hash:
59a6d9cd9893df9f19964450598ffb4669b4aa66
Link:
https://www.unpac.me/results/53830a03-87e7-4bdc-bc2d-2903b67d141c/
Please note that we are no longer able to provide a coverage score for Virus Total.
Threat name:
Quasar
Score:
0.90
Link:
https://yomi.yoroi.company/submissions/fabdbed3ca32060b91bb42fa91805c87a811ce4487ebcec656bac9cbb8ad1a3e

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
Create hunting rule
Author:malware-lu
Rule name:NETexecutableMicrosoft
Create hunting rule
Author:malware-lu
Rule name:pe_imphash
Create hunting rule
Rule name:Skystars_Malware_Imphash
Create hunting rule
Author:Skystars LightDefender
Description:imphash

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

Comments