MalwareBazaar Database
You are currently viewing the MalwareBazaar entry for SHA256 0afa2d3579842ab2805c4f46a0d6401b8d0c48bf94df1b7573a5fcf20c7ef066. 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
| SHA256 hash: | 0afa2d3579842ab2805c4f46a0d6401b8d0c48bf94df1b7573a5fcf20c7ef066 |
|---|---|
| SHA3-384 hash: | 385aeeb93a52d536c0792dded4e516547c6ad170b855fabcc896ac1b75e2416bc30786599c7d8930dce348f594fdd640 |
| SHA1 hash: | 0dd6ed30cb9a4e3a096cca08606c6a580f6414eb |
| MD5 hash: | 5566ff53d01d5326e7eb7f56c2eb6eb3 |
| humanhash: | mississippi-wisconsin-georgia-eighteen |
| File name: | 0afa2d3579842ab2805c4f46a0d6401b8d0c48bf94df1b7573a5fcf20c7ef066 |
| Download: | download sample |
| Signature | QuasarRAT |
| File size: | 32'411'552 bytes |
| First seen: | 2025-12-28 14:40:39 UTC |
| Last seen: | Never |
| File type: |  exe |
| MIME type: | application/x-dosexec |
| imphash | ac4ded70f85ef621e5f8917b250855be (37 x OffLoader, 3 x Tofsee, 3 x QuasarRAT) |
| ssdeep | 98304:cN66ckQdo/wr2XpIZ0sIJVIUsu0zl4MCy0we:Y3Qdo/wWIZJ4H0zl4cK |
| Threatray | 333 similar samples on MalwareBazaar |
| TLSH | T191671237B28A633DE46E5A3759F2E2205D3B6A21A51F8C0696F40C5CCF2D1A01E7F647 |
| TrID | 60.0% (.EXE) Inno Setup installer (107240/4/30) 23.2% (.EXE) Win32 EXE PECompact compressed (generic) (41569/9/9) 5.8% (.EXE) Win64 Executable (generic) (10522/11/4) 3.6% (.DLL) Win32 Dynamic Link Library (generic) (6578/25/2) 2.5% (.EXE) Win32 Executable (generic) (4504/4/1) |
| Magika | pebin |
| Reporter |  JAMESWT_WT |
| Tags: | exe hov-kievholod-kiev-ua QuasarRAT |
Intelligence
File Origin
# of uploads :
1
# of downloads :
108
Origin country :
ITVendor Threat Intelligence
Malware family:
quasar
ID:
1
File name:
0afa2d3579842ab2805c4f46a0d6401b8d0c48bf94df1b7573a5fcf20c7ef066
Verdict:
Malicious activity
Analysis date:
2025-12-28 14:49:46 UTC
Tags:
upx pastebin rat quasar remote evasion stealer stealc vidar
Note:
ANY.RUN is an interactive sandbox that analyzes all user actions rather than an uploaded sample
Verdict:
Malicious
Score:
90.2%
Tags:
dropper virus
Verdict:
Suspicious
Threat level:
5/10
Confidence:
100%
Tags:
adaptive-context embarcadero_delphi expand fingerprint inno installer installer installer-heuristic lolbin overlay packed tofsee
Verdict:
Malicious
Labled as:
Trojan.Generic
Verdict:
Malicious
File Type:
exe x32
First seen:
2025-12-25T19:13:00Z UTC
Last seen:
2025-12-28T15:50:00Z UTC
Hits:
~100
Detections:
Trojan-Dropper.Win32.DLLhijack.sb Trojan-PSW.Win32.Stealer.sb Trojan.MSIL.Quasar.gbi Trojan.Win32.Foxhiex.sb Trojan.Win32.DLLhijack.sb Trojan-PSW.MSIL.Agent.sb Trojan.Win32.Shellcode.sb Trojan.Win32.Mansabo.sb Trojan.Win32.AntiAV.sb Backdoor.SharPi.HTTP.C&C Trojan.Win32.Quasar.sb Trojan.MSIL.Crypt.sb Trojan.Win32.Agent.sb Trojan.Win32.RokRat.sb Trojan.Win32.Gatak.sb Trojan.MSIL.Quasar.a Backdoor.MSIL.Agent.sb Trojan.MSIL.Quasar.gcj
Score:
90%
Verdict:
Malware
File Type:
PE
Gathering data
Verdict:
Malicious
Threat:
Family.QUASAR
Threat name:
Win32.Malware.Heuristic
Status:
Malicious
First seen:
2025-12-27 05:13:00 UTC
File Type:
PE (Exe)
AV detection:
16 of 36 (44.44%)
Threat level:
2/5
Detection(s):
Suspicious file
Verdict:
malicious
Label(s):
quasarrat
Similar samples:
+ 323 additional samples on MalwareBazaar
Result
Malware family:
quasar
Score:
10/10
Tags:
family:quasar botnet:day2 discovery installer spyware trojan upx
Behaviour
Checks SCSI registry key(s)
Suspicious behavior: EnumeratesProcesses
Suspicious use of AdjustPrivilegeToken
Suspicious use of FindShellTrayWindow
Suspicious use of SetWindowsHookEx
Suspicious use of WriteProcessMemory
Inno Setup is an open-source installation builder for Windows applications.
Enumerates physical storage devices
System Location Discovery: System Language Discovery
UPX packed file
Legitimate hosting services abused for malware hosting/C2
ACProtect 1.3x - 1.4x DLL software
Checks computer location settings
Executes dropped EXE
Loads dropped DLL
Quasar RAT
Quasar family
Quasar payload
Verdict:
Suspicious
Tags:
n/a
YARA:
n/a
Malware family:
QuasarRAT
Verdict:
Malicious
Please note that we are no longer able to provide a coverage score for Virus Total.
Threat name:
Malicious File
Score:
1.00
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: | asyncrat |
|---|---|
| Author: | JPCERT/CC Incident Response Group |
| Description: | detect AsyncRat in memory |
| Reference: | internal research |
| Rule name: | BLOWFISH_Constants |
|---|---|
| Author: | phoul (@phoul) |
| Description: | Look for Blowfish constants |
| Rule name: | Borland |
|---|---|
| Author: | malware-lu |
| Rule name: | CP_Script_Inject_Detector |
|---|---|
| Author: | DiegoAnalytics |
| Description: | Detects attempts to inject code into another process across PE, ELF, Mach-O binaries |
| Rule name: | DebuggerCheck__API |
|---|---|
| Reference: | https://github.com/naxonez/yaraRules/blob/master/AntiDebugging.yara |
| Rule name: | DetectEncryptedVariants |
|---|---|
| Author: | Zinyth |
| Description: | Detects 'encrypted' in ASCII, Unicode, base64, or hex-encoded |
| Rule name: | Detect_PowerShell_Obfuscation |
|---|---|
| Author: | daniyyell |
| Description: | Detects obfuscated PowerShell commands commonly used in malicious scripts. |
| Rule name: | FreddyBearDropper |
|---|---|
| Author: | Dwarozh Hoshiar |
| Description: | Freddy Bear Dropper is dropping a malware through base63 encoded powershell scrip. |
| Rule name: | golang_bin_JCorn_CSC846 |
|---|---|
| Author: | Justin Cornwell |
| Description: | CSC-846 Golang detection ruleset |
| Rule name: | INDICATOR_SUSPICIOUS_Binary_References_Browsers |
|---|---|
| Author: | ditekSHen |
| Description: | Detects binaries (Windows and macOS) referencing many web browsers. Observed in information stealers. |
| Rule name: | INDICATOR_SUSPICIOUS_EXE_NoneWindowsUA |
|---|---|
| Author: | ditekSHen |
| Description: | Detects Windows executables referencing non-Windows User-Agents |
| Rule name: | INDICATOR_SUSPICIOUS_GENInfoStealer |
|---|---|
| Author: | ditekSHen |
| Description: | Detects executables containing common artifacts observed in infostealers |
| Rule name: | Lumma_Stealer_Detection |
|---|---|
| Author: | ashizZz |
| Description: | Detects a specific Lumma Stealer malware sample using unique strings and behaviors |
| Reference: | https://seanthegeek.net/posts/compromized-store-spread-lumma-stealer-using-fake-captcha/ |
| Rule name: | malware_asyncrat |
|---|---|
| Author: | JPCERT/CC Incident Response Group |
| Description: | detect AsyncRat in memory |
| Reference: | internal research |
| Rule name: | MALWARE_Win_QuasarStealer |
|---|---|
| Author: | ditekshen |
| Description: | Detects Quasar infostealer |
| Rule name: | MAL_packer_lb_was_detected |
|---|---|
| Author: | 0x0d4y |
| Description: | Detect the packer used by Lockbit4.0 |
| Rule name: | MD5_Constants |
|---|---|
| Author: | phoul (@phoul) |
| Description: | Look for MD5 constants |
| Rule name: | Multifamily_RAT_Detection |
|---|---|
| Author: | Lucas Acha (http://www.lukeacha.com) |
| Description: | Generic Detection for multiple RAT families, PUPs, Packers and suspicious executables |
| Rule name: | NET |
|---|---|
| Author: | malware-lu |
| Rule name: | NETexecutableMicrosoft |
|---|---|
| Author: | malware-lu |
| Rule name: | pe_detect_tls_callbacks |
|---|
| Rule name: | pe_imphash |
|---|
| Rule name: | ProgramLanguage_Rust |
|---|---|
| Author: | albertzsigovits |
| Description: | Application written in Rust programming language |
| Rule name: | quasarrat |
|---|---|
| Author: | jeFF0Falltrades |
| Rule name: | quasarrat_kingrat |
|---|---|
| Author: | jeFF0Falltrades |
| Rule name: | RANSOMWARE |
|---|---|
| Author: | ToroGuitar |
| Rule name: | RC6_Constants |
|---|---|
| Author: | chort (@chort0) |
| Description: | Look for RC6 magic constants in binary |
| Reference: | https://twitter.com/mikko/status/417620511397400576 |
| Rule name: | RIPEMD160_Constants |
|---|---|
| Author: | phoul (@phoul) |
| Description: | Look for RIPEMD-160 constants |
| Rule name: | SEH__vectored |
|---|---|
| Reference: | https://github.com/naxonez/yaraRules/blob/master/AntiDebugging.yara |
| Rule name: | SHA1_Constants |
|---|---|
| Author: | phoul (@phoul) |
| Description: | Look for SHA1 constants |
| Rule name: | SHA512_Constants |
|---|---|
| Author: | phoul (@phoul) |
| Description: | Look for SHA384/SHA512 constants |
| Rule name: | shellcode |
|---|---|
| Author: | nex |
| Description: | Matched shellcode byte patterns |
| Rule name: | Skystars_Malware_Imphash |
|---|---|
| Author: | Skystars LightDefender |
| Description: | imphash |
| Rule name: | Sus_CMD_Powershell_Usage |
|---|---|
| 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 |
|---|---|
| Reference: | https://github.com/naxonez/yaraRules/blob/master/AntiDebugging.yara |
| Rule name: | Windows_Generic_Threat_c9003b7b |
|---|---|
| Author: | Elastic Security |
| Rule name: | win_asyncrat_w0 |
|---|---|
| Author: | JPCERT/CC Incident Response Group |
| Description: | detect AsyncRat in memory |
| Reference: | internal research |
File information
The table below shows additional information about this malware sample such as delivery method and external references.
No further information available
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