MalwareBazaar Database
You are currently viewing the MalwareBazaar entry for SHA256 d42771ad12332ddcc6e3ba3deee466eb21815ef3a0731a8927552e3bd02d8098. 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: | d42771ad12332ddcc6e3ba3deee466eb21815ef3a0731a8927552e3bd02d8098 |
|---|---|
| SHA3-384 hash: | 405f24a6a807aa5e8da7b3493567e2f7e3c2c34ec58405f60582436855db8020c80c48f36d354c61ff520cbfc9a4ec65 |
| SHA1 hash: | 3143a3f1253f558b7527738d5c9afad27e9e37dc |
| MD5 hash: | 05354911b5e25fe9c4a8a40518a3590d |
| humanhash: | zulu-charlie-fourteen-mango |
| File name: | 05354911b5e25fe9c4a8a40518a3590d.exe |
| Download: | download sample |
| Signature | QuasarRAT |
| File size: | 514'048 bytes |
| First seen: | 2022-11-05 13:50:32 UTC |
| Last seen: | Never |
| File type: |  exe |
| MIME type: | application/x-dosexec |
| imphash | f34d5f2d4577ed6d9ceec516c1f5a744 (48'744 x AgentTesla, 19'608 x Formbook, 12'242 x SnakeKeylogger) |
| ssdeep | 6144:hTEgdc0YpXAGbgiIN2RSBpneqmIpi8Q5EtqN+yw4wUcE+Ob8F9/W+m5V4cTR3C:hTEgdfYlbgZeqFZ4Ayw+OpxhmT4cdC |
| Threatray | 2'228 similar samples on MalwareBazaar |
| TLSH | T1DDB45B8123FCC51BE1AE57BDE4B14821ABF4F407A6A7EB4F4940B1E92C567429E407B3 |
| 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 (13097/50/3) 7.7% (.EXE) Win64 Executable (generic) (10523/12/4) 4.8% (.DLL) Win32 Dynamic Link Library (generic) (6578/25/2) |
| Reporter |  abuse_ch |
| Tags: | exe QuasarRAT RAT |
Intelligence
File Origin
# of uploads :
1
# of downloads :
205
Origin country :
n/a
Vendor Threat Intelligence
Malware family:
quasar
ID:
1
File name:
05354911b5e25fe9c4a8a40518a3590d.exe
Verdict:
Malicious activity
Analysis date:
2022-11-05 13:51:22 UTC
Tags:
trojan rat quasar asyncrat
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
Сreating synchronization primitives
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
Creating a file
Setting a keyboard event handler
DNS request
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 keylogger packed quasarrat rat shell32.dll stealer 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.
Verdict:
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
Antivirus detection for URL or domain
C2 URLs / IPs found in malware configuration
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)
May check the online IP address of the machine
Multi AV Scanner detection for dropped file
Multi AV Scanner detection for submitted file
Queries sensitive BIOS Information (via WMI, Win32_Bios & Win32_BaseBoard, often done to detect virtual machines)
Sigma detected: Schedule system process
Snort IDS alert for network traffic
System process connects to network (likely due to code injection or exploit)
Uses dynamic DNS services
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:
2022-10-25 22:32:35 UTC
File Type:
PE (.Net Exe)
Extracted files:
2
AV detection:
23 of 26 (88.46%)
Threat level:
5/5
Detection(s):
Malicious file
Verdict:
malicious
Similar samples:
+ 2'218 additional samples on MalwareBazaar
Result
Malware family:
quasar
Score:
10/10
Tags:
family:quasar botnet:m 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 RAT
Quasar payload
Malware Config
C2 Extraction:
wallpaperengineu11.ddns.net:1444
Verdict:
Malicious
Tags:
n/a
YARA:
n/a
Unpacked files
SH256 hash:
d42771ad12332ddcc6e3ba3deee466eb21815ef3a0731a8927552e3bd02d8098
MD5 hash:
05354911b5e25fe9c4a8a40518a3590d
SHA1 hash:
3143a3f1253f558b7527738d5c9afad27e9e37dc
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_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.
Comments
Login required
You need to login to in order to write a comment. Login with your abuse.ch account.