MalwareBazaar Database
You are currently viewing the MalwareBazaar entry for SHA256 e3b41c65b9ee28473b4487dc2879f7a2fe3ce33b52c1e4d351150a2f711c7026. 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: 13
| SHA256 hash: | e3b41c65b9ee28473b4487dc2879f7a2fe3ce33b52c1e4d351150a2f711c7026 |
|---|---|
| SHA3-384 hash: | 51beba68eb1795eab7a174b52afe355ced0351a694b2578ee7ffc0d66b16bf7a98d0800cf8e0980789b0c310e11d9c23 |
| SHA1 hash: | 28cd7c17f63e7b9648fca117c3ad4a05efb06066 |
| MD5 hash: | 1b99c3604d4eb55f98c6636b0ce14b65 |
| humanhash: | black-cardinal-sad-harry |
| File name: | xbatrat.exe |
| Download: | download sample |
| Signature | QuasarRAT |
| File size: | 514'048 bytes |
| First seen: | 2022-09-09 18:54:16 UTC |
| Last seen: | Never |
| File type: |  exe |
| MIME type: | application/x-dosexec |
| imphash | f34d5f2d4577ed6d9ceec516c1f5a744 (48'652 x AgentTesla, 19'463 x Formbook, 12'204 x SnakeKeylogger) |
| ssdeep | 6144:sTEgdc0YuXAGbgiIN2RSBxddqWU8M2MYMFsZ/wcETOb8F991AAZcTR3X:sTEgdfYsbgdHMILODpJAUcdX |
| Threatray | 2'087 similar samples on MalwareBazaar |
| TLSH | T122B47D8027F8852BE16F57B9E87114219BF5F807B2A7EB4F4540B1FA2C66B069D80773 |
| TrID | 53.9% (.EXE) Generic CIL Executable (.NET, Mono, etc.) (73123/4/13) 12.2% (.EXE) Microsoft Visual C++ compiled executable (generic) (16529/12/5) 9.6% (.SCR) Windows screen saver (13101/52/3) 7.7% (.EXE) Win64 Executable (generic) (10523/12/4) 4.8% (.DLL) Win32 Dynamic Link Library (generic) (6578/25/2) |
| Reporter | Anonymous |
| Tags: | exe QuasarRAT RAT |
Indicators Of Compromise (IOCs)
Below is a list of indicators of compromise (IOCs) associated with this malware samples.
| IOC | ThreatFox Reference |
|---|---|
| 70.70.19.220:4753 | https://threatfox.abuse.ch/ioc/848916/ |
Intelligence
File Origin
# of uploads :
1
# of downloads :
446
Origin country :
n/a
Vendor Threat Intelligence
Malware family:
n/a
ID:
1
File name:
javainstalltest.exe
Verdict:
Malicious activity
Analysis date:
2022-08-23 21:07:20 UTC
Tags:
loader
Note:
ANY.RUN is an interactive sandbox that analyzes all user actions rather than an uploaded sample
Detection:
n/a
Result
Verdict:
Malware
Maliciousness:
Behaviour
Creating a window
Сreating synchronization primitives
Creating a file in the Program Files subdirectories
Launching a process
Creating a process from a recently created file
Creating a file
Setting a keyboard event handler
Sending a custom TCP request
DNS request
Sending an HTTP GET 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 keylogger packed quasarrat rat shell32.dll stealer
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:
AsyncRAT, 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
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
Uses schtasks.exe or at.exe to add and modify task schedules
Yara detected AsyncRAT
Yara detected Generic Downloader
Yara detected Quasar RAT
Behaviour
Behavior Graph:
Detection:
quasar
Threat name:
ByteCode-MSIL.Trojan.Quasar
Status:
Malicious
First seen:
2022-08-24 10:03:42 UTC
File Type:
PE (.Net Exe)
Extracted files:
2
AV detection:
23 of 26 (88.46%)
Threat level:
5/5
Detection(s):
Suspicious file
Verdict:
malicious
Similar samples:
+ 2'077 additional samples on MalwareBazaar
Result
Malware family:
quasar
Score:
10/10
Tags:
family:quasar botnet:xbatrattest spyware trojan
Behaviour
Creates scheduled task(s)
Suspicious use of AdjustPrivilegeToken
Suspicious use of SetWindowsHookEx
Suspicious use of WriteProcessMemory
Drops file in Program Files directory
Executes dropped EXE
Quasar RAT
Quasar payload
Malware Config
C2 Extraction:
70.70.19.220:4782
70.70.19.220:4753
70.70.19.220:4753
Unpacked files
SH256 hash:
e3b41c65b9ee28473b4487dc2879f7a2fe3ce33b52c1e4d351150a2f711c7026
MD5 hash:
1b99c3604d4eb55f98c6636b0ce14b65
SHA1 hash:
28cd7c17f63e7b9648fca117c3ad4a05efb06066
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_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 |
|---|---|
| Author: | Florian Roth |
| 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.
Web download
Delivery method
Distributed via web download
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