MalwareBazaar Database
You are currently viewing the MalwareBazaar entry for SHA256 4cf1a43a06108184d1ce4fd1c2dac70cdb98fdfb168e0949f84ce88a1e437a00. 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: 14
| SHA256 hash: | 4cf1a43a06108184d1ce4fd1c2dac70cdb98fdfb168e0949f84ce88a1e437a00 |
|---|---|
| SHA3-384 hash: | 91c53bede5ddf54884262b4d0895c4187ae79c02f7392a05fe7f29ba6deb646011a62d498771b5d5b0ef0374d79b4a0f |
| SHA1 hash: | d90e10c849a2434c2af7c3c97f885dcd7172d518 |
| MD5 hash: | a6bfce202f8bd51b4cc69294b8650794 |
| humanhash: | december-gee-nitrogen-washington |
| File name: | 4cf1a43a06108184d1ce4fd1c2dac70cdb98fdfb168e0949f84ce88a1e437a00 |
| Download: | download sample |
| Signature | QuasarRAT |
| File size: | 4'603'904 bytes |
| First seen: | 2026-06-08 09:55:13 UTC |
| Last seen: | Never |
| File type: |  exe |
| MIME type: | application/x-dosexec |
| imphash | 4cea7ae85c87ddc7295d39ff9cda31d1 (103 x LummaStealer, 85 x RedLineStealer, 63 x Rhadamanthys) |
| ssdeep | 98304:3MT0jfSrC/NHjLBxv814ESp8z3w3Humq6PYax1mUAkWCeNnzpMk3dguZr:cprC/JjLBxvS4ESyw3hl1mGetpMktJZr |
| TLSH | T1002623F2F7D215C3D979943CC853A53195377AB62AB699A710CE282FCD0F8824C39E25 |
| TrID | 39.7% (.EXE) Win32 Executable MS Visual C++ (generic) (31206/45/13) 21.0% (.EXE) Microsoft Visual C++ compiled executable (generic) (16529/12/5) 8.3% (.DLL) Win32 Dynamic Link Library (generic) (6578/25/2) 8.3% (.EXE) Win64 Executable (generic) (6522/11/2) 6.4% (.EXE) Win16 NE executable (generic) (5038/12/1) |
| Magika | pebin |
| dhash icon | 42f8f8dcdee86080 (1 x QuasarRAT) |
| Reporter |  adrian__luca |
| Tags: | exe QuasarRAT |
Intelligence
File Origin
# of uploads :
1
# of downloads :
191
Origin country :
HUVendor Threat Intelligence
Malware configuration found for:
Archives
AutoIt
Details
Malware family:
n/a
ID:
1
File name:
_4cf1a43a06108184d1ce4fd1c2dac70cdb98fdfb168e0949f84ce88a1e437a00.exe
Verdict:
Malicious activity
Analysis date:
2026-06-08 10:29:01 UTC
Tags:
auto-startup auto-sch autoit auto generic pastebin pulsar rat
Note:
ANY.RUN is an interactive sandbox that analyzes all user actions rather than an uploaded sample
Detection:
n/a
Detection(s):
Verdict:
Malicious
Score:
96.5%
Tags:
autorun dropper virus sage
Result
Verdict:
Malware
Maliciousness:
Behaviour
Creating a file in the %temp% subdirectories
Creating a process from a recently created file
Creating a process with a hidden window
Creating a window
Сreating synchronization primitives
Running batch commands
Creating a file
Launching a process
DNS request
Connection attempt
Sending a custom TCP request
Connecting to a non-recommended domain
Forced shutdown of a system process
Enabling autorun by creating a file
Deleting of the original file
Unauthorized injection to a system process
Verdict:
Malicious
Threat level:
10/10
Confidence:
100%
Tags:
adaptive-context anti-debug autoit CAB explorer fingerprint installer installer installer-heuristic keylogger lolbin microsoft_visual_cc packed reconnaissance rundll32 runonce sfx
Verdict:
Malicious
Labled as:
Win/malicious_confidence_100%
Verdict:
Malicious
File Type:
exe x64
First seen:
2026-05-17T16:28:00Z UTC
Last seen:
2026-05-17T18:58:00Z UTC
Hits:
~10
Detections:
Trojan.Win32.Agent.sb Backdoor.Win32.Agent.myxfys Trojan-PSW.Win32.Coins.sb Trojan-PSW.Multi.Stealer.sb Trojan-PSW.MSIL.Agent.sb Trojan.Win32.Inject.sb Trojan.MSIL.Quasar.a Trojan.MSIL.Agent.sb PDM:Trojan.Win32.Generic Backdoor.Agent.UDP.C&C
Verdict:
Malicious
Score:
99%
Verdict:
Malware
File Type:
PE
Gathering data
Verdict:
Malicious
Threat:
Family.PULSAR
Threat name:
Win64.Trojan.Egairtigado
Status:
Malicious
First seen:
2026-05-17 21:23:55 UTC
File Type:
PE+ (Exe)
Extracted files:
48
AV detection:
16 of 24 (66.67%)
Threat level:
5/5
Detection(s):
Suspicious file
Result
Malware family:
quasar
Score:
10/10
Tags:
family:quasar botnet:shadow discovery execution persistence spyware trojan
Behaviour
Modifies registry class
Scheduled Task/Job: Scheduled Task
Suspicious behavior: AddClipboardFormatListener
Suspicious behavior: EnumeratesProcesses
Suspicious behavior: GetForegroundWindowSpam
Suspicious use of AdjustPrivilegeToken
Suspicious use of FindShellTrayWindow
Suspicious use of SendNotifyMessage
Suspicious use of SetWindowsHookEx
Suspicious use of WriteProcessMemory
Enumerates physical storage devices
System Location Discovery: System Language Discovery
Suspicious use of SetThreadContext
Adds Run key to start application
Contacts third-party web service commonly abused for C2
Deletes itself
Drops startup file
Executes dropped EXE
Contains code to disable Windows Defender
Family: Quasar RAT
Quasar payload
Suspicious use of NtCreateUserProcessOtherParentProcess
Malware Config
C2 Extraction:
https://pastebin.com/raw/vZL3kcDx
Unpacked files
SH256 hash:
4cf1a43a06108184d1ce4fd1c2dac70cdb98fdfb168e0949f84ce88a1e437a00
MD5 hash:
a6bfce202f8bd51b4cc69294b8650794
SHA1 hash:
d90e10c849a2434c2af7c3c97f885dcd7172d518
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: | detect_Redline_Stealer |
|---|---|
| Author: | Varp0s |
| 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.
Comments
Login required
You need to login to in order to write a comment. Login with your abuse.ch account.