MalwareBazaar Database
You are currently viewing the MalwareBazaar entry for SHA256 ce228d856a2a217ff4a0b5d2061c8414af08c222d3ce58b5a237ff27b54ef1f8. 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: | ce228d856a2a217ff4a0b5d2061c8414af08c222d3ce58b5a237ff27b54ef1f8 |
|---|---|
| SHA3-384 hash: | a0332032eccee269c6cb0b95be02962ed41e397b0bde9915e65312421767c9b9e168915157f8e6f8584cfd0bfd6acd66 |
| SHA1 hash: | 1903c3fe5db904309e8a0cac6811e42a8ce30387 |
| MD5 hash: | b3820d95004ec7acc021d599009271cf |
| humanhash: | wyoming-river-quiet-salami |
| File name: | b3820d95004ec7acc021d599009271cf.exe |
| Download: | download sample |
| Signature | QuasarRAT |
| File size: | 1'679'872 bytes |
| First seen: | 2025-05-15 06:11:54 UTC |
| Last seen: | Never |
| File type: |  exe |
| MIME type: | application/x-dosexec |
| imphash | d161cb390917a6e62cc5df89fe71a6de (7 x DonutLoader, 1 x XWorm, 1 x QuasarRAT) |
| ssdeep | 49152:aoFtIbdRlXSepwn58NNTijrQk699qTl83:RFObFS+c58CrUrqJ+ |
| TLSH | T177753364FAF1C1E8EBB24575348943A9AE05BE60CDF0712E51B0F8983F0F8E95965DC2 |
| TrID | 41.1% (.EXE) Microsoft Visual C++ compiled executable (generic) (16529/12/5) 26.1% (.EXE) Win64 Executable (generic) (10522/11/4) 12.5% (.EXE) Win16 NE executable (generic) (5038/12/1) 5.1% (.ICL) Windows Icons Library (generic) (2059/9) 5.0% (.EXE) OS/2 Executable (generic) (2029/13) |
| Magika | pebin |
| Reporter |  abuse_ch |
| Tags: | exe QuasarRAT |
Intelligence
File Origin
# of uploads :
1
# of downloads :
433
Origin country :
NLVendor Threat Intelligence
Malware family:
n/a
ID:
1
File name:
b3820d95004ec7acc021d599009271cf.exe
Verdict:
Malicious activity
Analysis date:
2025-05-15 06:47:42 UTC
Tags:
auto-reg
Note:
ANY.RUN is an interactive sandbox that analyzes all user actions rather than an uploaded sample
Verdict:
Malicious
Score:
93.3%
Tags:
dropper virus
Result
Verdict:
Suspicious
Maliciousness:
Behaviour
Searching for the window
Enabling autorun with the standard Software\Microsoft\Windows\CurrentVersion\Run registry branch
Verdict:
Malicious
Threat level:
10/10
Confidence:
100%
Tags:
anti-debug packed packed packer_detected
Verdict:
Malicious
Labled as:
Trojan.Generic
Verdict:
Suspicious
Result
Threat name:
Quasar
Detection:
malicious
Classification:
troj.evad
Score:
84 / 100
Signature
Found malware configuration
Hides that the sample has been downloaded from the Internet (zone.identifier)
Malicious sample detected (through community Yara rule)
Multi AV Scanner detection for submitted file
Sample uses string decryption to hide its real strings
Tries to detect sandboxes and other dynamic analysis tools (process name or module or function)
Yara detected Quasar RAT
Behaviour
Behavior Graph:
Score:
89%
Verdict:
Malware
File Type:
PE
Threat name:
Win64.Backdoor.Quasar
Status:
Malicious
First seen:
2025-05-11 16:15:30 UTC
File Type:
PE+ (Exe)
AV detection:
28 of 37 (75.68%)
Threat level:
5/5
Detection(s):
Suspicious file
Result
Malware family:
quasar
Score:
10/10
Tags:
family:donutloader family:quasar botnet:office04 loader persistence spyware trojan
Behaviour
Modifies system certificate store
Suspicious behavior: AddClipboardFormatListener
Suspicious use of AdjustPrivilegeToken
Suspicious use of WriteProcessMemory
Adds Run key to start application
DonutLoader
Donutloader family
Quasar RAT
Quasar family
Quasar payload
Detects DonutLoader
Malware Config
C2 Extraction:
109.120.137.57:4782
Verdict:
Malicious
Tags:
n/a
YARA:
n/a
Unpacked files
SH256 hash:
ce228d856a2a217ff4a0b5d2061c8414af08c222d3ce58b5a237ff27b54ef1f8
MD5 hash:
b3820d95004ec7acc021d599009271cf
SHA1 hash:
1903c3fe5db904309e8a0cac6811e42a8ce30387
Please note that we are no longer able to provide a coverage score for Virus Total.
Threat name:
Quasar
Score:
0.90
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: | golang_bin_JCorn_CSC846 |
|---|---|
| Author: | Justin Cornwell |
| Description: | CSC-846 Golang detection ruleset |
| Rule name: | pe_detect_tls_callbacks |
|---|
| Rule name: | Sus_Obf_Enc_Spoof_Hide_PE |
|---|---|
| Author: | XiAnzheng |
| Description: | Check for Overlay, Obfuscating, Encrypting, Spoofing, Hiding, or Entropy Technique(can create FP) |
File information
The table below shows additional information about this malware sample such as delivery method and external references.
No further information available
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
| ID | Title | Severity |
|---|---|---|
| CHECK_AUTHENTICODE | Missing Authenticode | high |
| CHECK_DLL_CHARACTERISTICS | Missing dll Security Characteristics (GUARD_CF) | high |
Reviews
| ID | Capabilities | Evidence |
|---|---|---|
| WIN32_PROCESS_API | Can Create Process and Threads | KERNEL32.dll::CloseHandle |
| WIN_BASE_API | Uses Win Base API | KERNEL32.dll::LoadLibraryA KERNEL32.dll::GetStartupInfoA |
| WIN_REG_API | Can Manipulate Windows Registry | ADVAPI32.dll::RegOpenKeyExA ADVAPI32.dll::RegSetValueExA |
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