MalwareBazaar Database
You are currently viewing the MalwareBazaar entry for SHA256 1735709e4b496d80858a5d3cbcf9e7aef536ff439fa04d28be863dd3135dee61. 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: 9
| SHA256 hash: | 1735709e4b496d80858a5d3cbcf9e7aef536ff439fa04d28be863dd3135dee61 |
|---|---|
| SHA3-384 hash: | 3101a99b42f35d60987aa6f35f41b3cba0a79ab4ca0dc23c04ae3ed781ac45c833d6737615aa83fe221708a34a1d1ec0 |
| SHA1 hash: | 389dd79fce5c7b7c4cec0b9c28f03c971a729b10 |
| MD5 hash: | d266c6f4f8b8404c2d2ebdb8d4065fff |
| humanhash: | cat-illinois-charlie-blossom |
| File name: | d266c6f4f8b8404c2d2ebdb8d4065fff.exe |
| Download: | download sample |
| Signature | QuasarRAT |
| File size: | 514'048 bytes |
| First seen: | 2020-12-14 20:04:22 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:QTEgdc0YYebGbXOsA6j1Rdh4H23rH2yWJcbd9cEAOb8F9vGQI3YeBR7cTR3O:QTEgdfYuA6b3YQQptiLBR7cdO |
| Threatray | 29 similar samples on MalwareBazaar |
| TLSH | 3DB46C8027F88A2BE1AE57B9EDB144205BF4F407BA67EB4F4540B1F92D667029D407B3 |
| Reporter |  abuse_ch |
| Tags: | exe QuasarRAT RAT |
Intelligence
File Origin
# of uploads :
1
# of downloads :
168
Origin country :
n/a
Vendor Threat Intelligence
Malware family:
n/a
ID:
1
File name:
d266c6f4f8b8404c2d2ebdb8d4065fff.exe
Verdict:
Suspicious activity
Analysis date:
2020-12-14 20:14:26 UTC
Tags:
n/a
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
Creating a file in the %AppData% subdirectories
Launching a process
Enabling the 'hidden' option for analyzed file
Creating a process from a recently created file
Sending a UDP request
Creating a file
Enabling the 'hidden' option for recently created files
Changing a file
Setting a keyboard event handler
Unauthorized injection to a recently created process
Connection attempt to an infection source
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.
Result
Threat name:
Quasar
Detection:
malicious
Classification:
troj.spyw.evad
Score:
100 / 100
Signature
.NET source code references suspicious native API functions
Antivirus / Scanner detection for submitted sample
Antivirus detection for dropped file
Detected unpacking (overwrites its own PE header)
Drops PE files with benign system names
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
Sigma detected: Suspicious Svchost Process
Sigma detected: System File Execution Location Anomaly
System process connects to network (likely due to code injection or exploit)
Uses schtasks.exe or at.exe to add and modify task schedules
Yara detected Quasar RAT
Behaviour
Behavior Graph:
Threat name:
ByteCode-MSIL.Trojan.Perseus
Status:
Malicious
First seen:
2020-12-11 11:38:19 UTC
AV detection:
24 of 28 (85.71%)
Threat level:
5/5
Detection(s):
Malicious file
Verdict:
malicious
Similar samples:
+ 19 additional samples on MalwareBazaar
Result
Malware family:
n/a
Score:
8/10
Tags:
n/a
Behaviour
Creates scheduled task(s)
Suspicious use of AdjustPrivilegeToken
Suspicious use of FindShellTrayWindow
Suspicious use of SendNotifyMessage
Suspicious use of SetWindowsHookEx
Suspicious use of WriteProcessMemory
Executes dropped EXE
Unpacked files
SH256 hash:
1735709e4b496d80858a5d3cbcf9e7aef536ff439fa04d28be863dd3135dee61
MD5 hash:
d266c6f4f8b8404c2d2ebdb8d4065fff
SHA1 hash:
389dd79fce5c7b7c4cec0b9c28f03c971a729b10
Please note that we are no longer able to provide a coverage score for Virus Total.
Threat name:
Quasar
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: | CAP_HookExKeylogger |
|---|---|
| Author: | Brian C. Bell -- @biebsmalwareguy |
| Reference: | https://github.com/DFIRnotes/rules/blob/master/CAP_HookExKeylogger.yar |
| Rule name: | Chrome_stealer_bin_mem |
|---|---|
| Author: | James_inthe_box |
| Description: | Chrome in files like avemaria |
| Rule name: | Keylog_bin_mem |
|---|---|
| Author: | James_inthe_box |
| Description: | Contains Keylog |
| 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: | Select_from_enumeration |
|---|---|
| Author: | James_inthe_box |
| Description: | IP and port combo |
| 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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