MalwareBazaar Database
You are currently viewing the MalwareBazaar entry for SHA256 c3c4e615bdff2ac3b6f290c044931d49f483c5bb62e2d7ec4cbf936e5dbee6b5. 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
QtrStealer
Vendor detections: 9
| SHA256 hash: | c3c4e615bdff2ac3b6f290c044931d49f483c5bb62e2d7ec4cbf936e5dbee6b5 |
|---|---|
| SHA3-384 hash: | f32d1f153b126c31e8694b1e19cbdeb4cbdea91529db5dfa652db583219c2304ad2b07cb872323b53a42c2734462b920 |
| SHA1 hash: | 2ff1e76cd7036ffa6e93e41e634bbcc0ee4a4c39 |
| MD5 hash: | d840e5f63396eaf9d3801f630bde373b |
| humanhash: | hotel-nebraska-potato-sad |
| File name: | file |
| Download: | download sample |
| Signature | QtrStealer |
| File size: | 12'865'936 bytes |
| First seen: | 2026-08-25 05:26:09 UTC |
| Last seen: | 2026-08-26 04:10:10 UTC |
| File type: |  exe |
| MIME type: | application/x-dosexec |
| imphash | 88016fcdef7f227c62171d0afad9aae4 (26 x ValleyRAT, 20 x OffLoader, 14 x Tofsee) |
| ssdeep | 98304:0l5sgGemn2xxAOLn/E1+Mfsya3goMXKuUzzVR2mqunzWgykQWc6C2:0MbeZxxL/E11fKgF1Dm3n786j |
| TLSH | T18DD6013B62EE65FBE0594735267352154E3B7F7164238C0D86F0B8E8DB35FB0192AA42 |
| TrID | 63.8% (.EXE) Inno Setup installer (107240/4/30) 24.7% (.EXE) Win32 EXE PECompact compressed (generic) (41569/9/9) 3.8% (.EXE) Win64 Executable (generic) (6522/11/2) 2.6% (.EXE) Win32 Executable (generic) (4504/4/1) 1.2% (.EXE) Win16/32 Executable Delphi generic (2072/23) |
| Magika | pebin |
| dhash icon | 3c6cccece8ece8c3 (1 x QtrStealer) |
| Reporter |  Bitsight |
| Tags: | c dropped-by-gcleaner exe MIX5.file QtrStealer |
Intelligence
File Origin
# of uploads :
11
# of downloads :
187
Origin country :
USVendor Threat Intelligence
Detection:
n/a
Result
Verdict:
Clean
Maliciousness:
Behaviour
Creating a file in the %temp% subdirectories
Creating a window
Creating a process from a recently created file
Сreating synchronization primitives
Searching for synchronization primitives
Using the Windows Management Instrumentation requests
Verdict:
Suspicious
Threat level:
5/10
Confidence:
100%
Tags:
adaptive-context anti-debug crypto embarcadero_delphi evasive expand fingerprint inno installer installer installer-heuristic lolbin packed reconnaissance
Verdict:
Malicious
Labled as:
TrojanDldr.OffLoader.gen
Verdict:
Malicious
File Type:
exe x32
First seen:
2026-08-25T03:35:00Z UTC
Last seen:
2026-08-26T18:25:00Z UTC
Hits:
~10
Verdict:
Unknown
Score:
51%
Verdict:
Susipicious
File Type:
PE
Verdict:
inconclusive
YARA:
4 match(es)
Tags:
Executable PE (Portable Executable) PE File Layout Win 32 Exe x86
Detection(s):
Suspicious file
Result
Malware family:
qtr_stealer
Score:
10/10
Tags:
family:qtr_stealer defense_evasion discovery installer persistence spyware stealer upx
Behaviour
Checks SCSI registry key(s)
Checks processor information in registry
Suspicious behavior: EnumeratesProcesses
Suspicious use of FindShellTrayWindow
Suspicious use of SendNotifyMessage
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
Drops file in System32 directory
UPX packed file
Adds Run key to start application
Checks computer location settings
Executes dropped EXE
Identifies Wine through registry keys
Loads dropped DLL
Reads user/profile data of web browsers
Family: QtrStealer,
Unpacked files
SH256 hash:
c3c4e615bdff2ac3b6f290c044931d49f483c5bb62e2d7ec4cbf936e5dbee6b5
MD5 hash:
d840e5f63396eaf9d3801f630bde373b
SHA1 hash:
2ff1e76cd7036ffa6e93e41e634bbcc0ee4a4c39
SH256 hash:
a2161673fccd69a448477562c2604da419ed0421ff620d89ecc03f10a5144257
MD5 hash:
2dadd12fa33fe4661542e5f776645318
SHA1 hash:
df8dd279dc5e79db469cfff215d9245eb87a1266
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: | 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: | pe_detect_tls_callbacks |
|---|
| Rule name: | SHA512_Constants |
|---|---|
| Author: | phoul (@phoul) |
| Description: | Look for SHA384/SHA512 constants |
| Rule name: | TH_AntiVM_MassHunt_Win_Malware_2026_CYFARE |
|---|---|
| Author: | CYFARE |
| Description: | Detects Windows malware employing anti-VM / anti-sandbox evasion techniques across VMware, VirtualBox, Hyper-V, QEMU, Xen, and generic sandbox environments |
| Reference: | https://cyfare.net/ |
File information
The table below shows additional information about this malware sample such as delivery method and external references.
Web download
Dropped by
Gcleaner
Delivery method
Distributed via web download
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