MalwareBazaar Database
You are currently viewing the MalwareBazaar entry for SHA256 787eef5b064487f1e731171de212a2b2a7974a4e8776cd78493c02e1c9592a66. 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: | 787eef5b064487f1e731171de212a2b2a7974a4e8776cd78493c02e1c9592a66 |
|---|---|
| SHA3-384 hash: | fb95087e64fafa5d4e76631573ec57a7ccf4788c069daa41ee3facab0d6068c73b1bbd09e9c3102c8d7a6d352bde9f9d |
| SHA1 hash: | 753c8f21c901e2fbf7b975c3475279ea7bd43dc4 |
| MD5 hash: | 936d37d2d727cc768790f1c2da89e49a |
| humanhash: | massachusetts-eighteen-kentucky-florida |
| File name: | 787EEF5B064487F1E731171DE212A2B2A7974A4E8776C.exe |
| Download: | download sample |
| Signature | QuasarRAT |
| File size: | 3'266'048 bytes |
| First seen: | 2023-05-05 21:10:54 UTC |
| Last seen: | Never |
| File type: |  exe |
| MIME type: | application/x-dosexec |
| imphash | f34d5f2d4577ed6d9ceec516c1f5a744 (48'742 x AgentTesla, 19'607 x Formbook, 12'242 x SnakeKeylogger) |
| ssdeep | 49152:KvmI22SsaNYfdPBldt698dBcjHnln856bRULoGdfTHHB72eh2NT:Kvr22SsaNYfdPBldt6+dBcjHnln85d |
| Threatray | 136 similar samples on MalwareBazaar |
| TLSH | T1E8E55B1437F85F27E1BBE27795B0041267F0FC1AB3A3EB0B6581677A1C93B5098426A7 |
| TrID | 53.1% (.EXE) Generic CIL Executable (.NET, Mono, etc.) (73123/4/13) 12.0% (.EXE) Microsoft Visual C++ compiled executable (generic) (16529/12/5) 9.5% (.SCR) Windows screen saver (13097/50/3) 7.6% (.EXE) Win64 Executable (generic) (10523/12/4) 4.7% (.DLL) Win32 Dynamic Link Library (generic) (6578/25/2) |
| Reporter |  abuse_ch |
| Tags: | exe QuasarRAT RAT |
Intelligence
File Origin
# of uploads :
1
# of downloads :
325
Origin country :
NLVendor Threat Intelligence
Malware family:
quasar
ID:
1
File name:
787EEF5B064487F1E731171DE212A2B2A7974A4E8776C.exe
Verdict:
Malicious activity
Analysis date:
2023-05-05 21:13:28 UTC
Tags:
quasar
Note:
ANY.RUN is an interactive sandbox that analyzes all user actions rather than an uploaded sample
Detection:
QuasarStealer
Result
Verdict:
Malware
Maliciousness:
Behaviour
Searching for the window
Creating a window
Сreating synchronization primitives
Creating a file in the Program Files subdirectories
Launching a process
Enabling the 'hidden' option for recently created files
Creating a process from a recently created file
Creating a file
DNS request
Setting a keyboard event handler
Sending a custom TCP request
Using the Windows Management Instrumentation requests
Unauthorized injection to a recently created process
Enabling autorun by creating a file
Verdict:
Malicious
Threat level:
10/10
Confidence:
100%
Tags:
anti-vm infostealer keylogger quasarrat rat stealer stealer
Verdict:
Malicious
Labled as:
Win/malicious_confidence_100%
Result
Verdict:
MALICIOUS
Details
Windows PE Executable
Found a Windows Portable Executable (PE) binary. Depending on context, the presence of a binary is suspicious or malicious.
Verdict:
Malicious
Result
Threat name:
Quasar
Detection:
malicious
Classification:
troj.spyw.evad
Score:
100 / 100
Signature
Antivirus / Scanner detection for submitted sample
Antivirus detection for dropped file
C2 URLs / IPs found in malware configuration
Found malware configuration
Hides that the sample has been downloaded from the Internet (zone.identifier)
Installs a global keyboard hook
Machine Learning detection for dropped file
Machine Learning detection for sample
Malicious sample detected (through community Yara rule)
Multi AV Scanner detection for dropped file
Multi AV Scanner detection for submitted file
Snort IDS alert for network traffic
Uses schtasks.exe or at.exe to add and modify task schedules
Yara detected Generic Downloader
Yara detected Quasar RAT
Behaviour
Behavior Graph:
Detection:
quasar
Threat name:
ByteCode-MSIL.Trojan.Quasar
Status:
Malicious
First seen:
2023-03-28 09:56:00 UTC
File Type:
PE (.Net Exe)
Extracted files:
2
AV detection:
28 of 37 (75.68%)
Threat level:
5/5
Detection(s):
Suspicious file
Verdict:
malicious
Similar samples:
+ 126 additional samples on MalwareBazaar
Result
Malware family:
quasar
Score:
10/10
Tags:
family:quasar botnet:torrent spyware trojan
Behaviour
Creates scheduled task(s)
Suspicious use of AdjustPrivilegeToken
Suspicious use of SetWindowsHookEx
Suspicious use of WriteProcessMemory
Uses Task Scheduler COM API
Drops file in Program Files directory
Executes dropped EXE
Quasar RAT
Quasar payload
Malware Config
C2 Extraction:
office396.site:4782
Unpacked files
SH256 hash:
787eef5b064487f1e731171de212a2b2a7974a4e8776cd78493c02e1c9592a66
MD5 hash:
936d37d2d727cc768790f1c2da89e49a
SHA1 hash:
753c8f21c901e2fbf7b975c3475279ea7bd43dc4
Detections:
QuasarRAT
Malware family:
QuasarRAT
Verdict:
Malicious
Please note that we are no longer able to provide a coverage score for Virus Total.
Threat name:
iSpy Keylogger
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: | 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 artifcats observed in infostealers |
| Rule name: | MALWARE_Win_QuasarStealer |
|---|---|
| Author: | ditekshen |
| Description: | Detects Quasar infostealer |
| Rule name: | MAL_QuasarRAT_May19_1 |
|---|---|
| Description: | Detects QuasarRAT malware |
| Rule name: | MAL_QuasarRAT_May19_1 |
|---|---|
| Author: | Florian Roth (Nextron Systems) |
| Description: | Detects QuasarRAT malware |
| Reference: | https://blog.ensilo.com/uncovering-new-activity-by-apt10 |
| Rule name: | MAL_QuasarRAT_May19_1_RID2E1E |
|---|---|
| Author: | Florian Roth |
| Description: | Detects QuasarRAT malware |
| Reference: | https://blog.ensilo.com/uncovering-new-activity-by-apt10 |
| Rule name: | pe_imphash |
|---|
| Rule name: | Skystars_Malware_Imphash |
|---|---|
| Author: | Skystars LightDefender |
| Description: | imphash |
File information
The table below shows additional information about this malware sample such as delivery method and external references.
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