MalwareBazaar Database
You are currently viewing the MalwareBazaar entry for SHA256 d26ba4768bef5a8e4424b6c90b74b0c22129f9df94022b5f84850c22b289b7e7. 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: | d26ba4768bef5a8e4424b6c90b74b0c22129f9df94022b5f84850c22b289b7e7 |
|---|---|
| SHA3-384 hash: | 7bd85ea0590623bda25bf99c93adf573a56b5cb1420c5efa186cc4b0303126d27abdd3cb3cf0bd2d111d3f57d4bab57f |
| SHA1 hash: | d7635ea6c4b971d49738ec07eb8890884627b44f |
| MD5 hash: | ce29b1613037ee23656c6d2f78db41c5 |
| humanhash: | tennessee-batman-social-fillet |
| File name: | cnmain.exe |
| Download: | download sample |
| Signature | QuasarRAT |
| File size: | 514'048 bytes |
| First seen: | 2022-03-09 11:07:23 UTC |
| Last seen: | Never |
| File type: |  exe |
| MIME type: | application/x-dosexec |
| imphash | f34d5f2d4577ed6d9ceec516c1f5a744 (48'744 x AgentTesla, 19'609 x Formbook, 12'242 x SnakeKeylogger) |
| ssdeep | 6144:UTEgdc0Y8XAGbgiIN2RSB4tzRxqpIgRs2bCscEuOb8F9NyAdFiHiTcTR3C:UTEgdfYGbg8hPs+p3yioCTcdC |
| Threatray | 675 similar samples on MalwareBazaar |
| TLSH | T196B46C4023F8862BE57E5779E83115205BF9F80BB26BFB5F4541B0E92C667069E40BB3 |
| Reporter |  r3dbU7z |
| Tags: | exe QuasarRAT |
Intelligence
File Origin
# of uploads :
1
# of downloads :
227
Origin country :
n/a
Vendor Threat Intelligence
Detection:
QuasarStealer
Result
Verdict:
Malware
Maliciousness:
Behaviour
Creating a window
Сreating synchronization primitives
Creating a file in the %AppData% subdirectories
Launching a process
Enabling autorun by creating a file
Verdict:
Malicious
Threat level:
10/10
Confidence:
100%
Tags:
anti-vm control.exe explorer.exe greyware keylogger obfuscated packed quasar quasarrat rat remote.exe replace.exe schtasks.exe shell32.dll stealer update.exe vermin
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.spyw.expl.evad
Score:
100 / 100
Signature
.NET source code references suspicious native API functions
Antivirus / Scanner detection for submitted sample
Antivirus detection for dropped file
Antivirus detection for URL or domain
C2 URLs / IPs found in malware configuration
Detected unpacking (overwrites its own PE header)
Exploit detected, runtime environment starts unknown processes
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 domain / URL
Multi AV Scanner detection for dropped file
Multi AV Scanner detection for submitted file
Sigma detected: Suspicious Shells Spawn by Java
Sigma detected: Suspicius Schtasks From Env Var Folder
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:
2022-03-08 22:10:25 UTC
File Type:
PE (.Net Exe)
Extracted files:
2
AV detection:
25 of 27 (92.59%)
Threat level:
5/5
Detection(s):
Suspicious file
Verdict:
malicious
Similar samples:
+ 665 additional samples on MalwareBazaar
Result
Malware family:
quasar
Score:
10/10
Tags:
family:quasar botnet:cnmain spyware trojan
Behaviour
Creates scheduled task(s)
Suspicious use of AdjustPrivilegeToken
Suspicious use of SetWindowsHookEx
Suspicious use of WriteProcessMemory
Looks up external IP address via web service
Executes dropped EXE
Quasar Payload
Quasar RAT
Malware Config
C2 Extraction:
bigrussianfloppa.duckdns.org:5352
Unpacked files
SH256 hash:
d26ba4768bef5a8e4424b6c90b74b0c22129f9df94022b5f84850c22b289b7e7
MD5 hash:
ce29b1613037ee23656c6d2f78db41c5
SHA1 hash:
d7635ea6c4b971d49738ec07eb8890884627b44f
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 |
| 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.
Web download
Delivery method
Distributed via web download
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