MalwareBazaar Database
You are currently viewing the MalwareBazaar entry for SHA256 a725bb8800499239e18eb3973b4c4371214e8da4efb12108ac42957a3819572b. 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: | a725bb8800499239e18eb3973b4c4371214e8da4efb12108ac42957a3819572b |
|---|---|
| SHA3-384 hash: | 2901e767b0a0ae2771b67e56f040938194d539390e37646c41e7403c5300e384d27dc3e87c16c3796d4346a37a9a7a69 |
| SHA1 hash: | c9f854cb866fc0dfa54ad4438fb1e3479a9a384e |
| MD5 hash: | 1914a2c8d1589d346dec86208bbbee37 |
| humanhash: | georgia-autumn-delaware-helium |
| File name: | 1914a2c8d1589d346dec86208bbbee37.exe |
| Download: | download sample |
| Signature | QuasarRAT |
| File size: | 514'048 bytes |
| First seen: | 2021-08-06 15:15:52 UTC |
| Last seen: | Never |
| File type: |  exe |
| MIME type: | application/x-dosexec |
| imphash | f34d5f2d4577ed6d9ceec516c1f5a744 (48'666 x AgentTesla, 19'479 x Formbook, 12'209 x SnakeKeylogger) |
| ssdeep | 6144:RTEgdc0Y3XAGbgiIN2RSBytYsf4q2gRslboscE6Ob8F9SAO+uKaE6lcTR3S:RTEgdfYvbgeeAb5sqpAx+uKadlcdS |
| Threatray | 107 similar samples on MalwareBazaar |
| TLSH | T1FBB46B4023F8862BE57E5779E83115205BF9F40BB26BFB5F4541B0E92CA67069E40BB3 |
| Reporter |  abuse_ch |
| 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 |
|---|---|
| 166.62.33.218:6624 | https://threatfox.abuse.ch/ioc/165991/ |
Intelligence
File Origin
# of uploads :
1
# of downloads :
200
Origin country :
n/a
Vendor Threat Intelligence
Malware family:
n/a
ID:
1
File name:
1914a2c8d1589d346dec86208bbbee37.exe
Verdict:
Suspicious activity
Analysis date:
2021-08-06 15:19:32 UTC
Tags:
n/a
Note:
ANY.RUN is an interactive sandbox that analyzes all user actions rather than an uploaded sample
Detection:
QuasarStealer
Result
Verdict:
Malware
Maliciousness:
Behaviour
Creating a window
Creating a file in the Program Files subdirectories
Launching a process
Creating a process from a recently created file
Creating a file
Sending a UDP request
Connection attempt
Sending a custom TCP request
Setting a keyboard event handler
DNS request
Using the Windows Management Instrumentation requests
Unauthorized injection to a recently created process
Enabling autorun by creating a file
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.
Malware family:
Quasar RAT
Verdict:
Malicious
Result
Threat name:
Quasar
Detection:
malicious
Classification:
troj.evad
Score:
100 / 100
Signature
.NET source code references suspicious native API functions
Antivirus / Scanner detection for submitted sample
Antivirus detection for dropped file
C2 URLs / IPs found in malware configuration
Detected unpacking (overwrites its own PE header)
Found malware configuration
Hides that the sample has been downloaded from the Internet (zone.identifier)
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 Quasar RAT
Behaviour
Behavior Graph:
Detection:
quasar
Threat name:
ByteCode-MSIL.Trojan.Quasar
Status:
Malicious
First seen:
2021-08-05 22:35:31 UTC
AV detection:
35 of 46 (76.09%)
Threat level:
5/5
Detection(s):
Malicious file
Verdict:
malicious
Similar samples:
+ 97 additional samples on MalwareBazaar
Result
Malware family:
quasar
Score:
10/10
Tags:
family:quasar botnet:test1 spyware suricata trojan
Behaviour
Creates scheduled task(s)
Suspicious use of AdjustPrivilegeToken
Suspicious use of SetWindowsHookEx
Suspicious use of WriteProcessMemory
Drops file in Program Files directory
Looks up external IP address via web service
Executes dropped EXE
Quasar Payload
Quasar RAT
suricata: ET MALWARE Observed Malicious SSL Cert (Quasar CnC)
Malware Config
C2 Extraction:
166.62.33.218:6624
Unpacked files
SH256 hash:
a725bb8800499239e18eb3973b4c4371214e8da4efb12108ac42957a3819572b
MD5 hash:
1914a2c8d1589d346dec86208bbbee37
SHA1 hash:
c9f854cb866fc0dfa54ad4438fb1e3479a9a384e
Malware family:
xRAT
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_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: | pe_imphash |
|---|
| Rule name: | pe_imphash |
|---|
| Rule name: | Skystars_Malware_Imphash |
|---|---|
| Author: | Skystars LightDefender |
| Description: | imphash |
| Rule name: | Vermin_Keylogger_Jan18_1 |
|---|---|
| Author: | Florian Roth |
| Description: | Detects Vermin Keylogger |
| Reference: | https://researchcenter.paloaltonetworks.com/2018/01/unit42-vermin-quasar-rat-custom-malware-used-ukraine/ |
File information
The table below shows additional information about this malware sample such as delivery method and external references.
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