MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 f351d8782667176f51bd4b36b85e8ca3895a7583f445b77062d5fbf629d0d14a. 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: 12


Intelligence 12 IOCs YARA 8 File information Comments 1

SHA256 hash: f351d8782667176f51bd4b36b85e8ca3895a7583f445b77062d5fbf629d0d14a
SHA3-384 hash: aa1e3f718e4f3692dd214e9f1fc6bf238ab1aa8246b131068db5220e7fccc0a8e15b95d3f3a76d7d600e35e94fcbc721
SHA1 hash: 97dba7009687bfb5d78fa685d5bcb5763c47422f
MD5 hash: 3727c5aa07ad1d9e86f0b193e23238c2
humanhash: eight-hamper-georgia-table
File name:3727c5aa07ad1d9e86f0b193e23238c2
Download: download sample
Signature QuasarRAT
File size:514'048 bytes
First seen:2022-07-18 07:57:40 UTC
Last seen:Never
File type:Executable exe
MIME type:application/x-dosexec
imphash f34d5f2d4577ed6d9ceec516c1f5a744 (48'662 x AgentTesla, 19'474 x Formbook, 12'208 x SnakeKeylogger)
ssdeep 6144:RTEgdc0YNX7IxUpGREWK8Q0V5Jr7UNVsyVLecEdaPm3Wb8F942oWstDX7oUcTR3S:RTEgdfYWxU103FyVLesQx2hlX7oUcdS
Threatray 1'914 similar samples on MalwareBazaar
TLSH T1B6B4594033F8951BE1BF5779E8711420ABF4E41BB2B7EB9F4544A1FA2DA67028D40A73
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 zbetcheckin
Tags:32 exe QuasarRAT

Intelligence


File Origin
# of uploads :
1
# of downloads :
273
Origin country :
n/a
Vendor Threat Intelligence
Result
Verdict:
Malware
Maliciousness:

Behaviour
Launching a process
Creating a window
Сreating synchronization primitives
Creating a file in the %AppData% subdirectories
Sending a custom TCP request
Enabling autorun by creating a file
Verdict:
Malicious
Threat level:
  10/10
Confidence:
100%
Tags:
anti-vm greyware 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.
Result
Threat name:
Detection:
malicious
Classification:
troj.spyw.evad
Score:
100 / 100
Signature
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)
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 Generic Downloader
Yara detected Quasar RAT
Behaviour
Behavior Graph:
Threat name:
ByteCode-MSIL.Trojan.Quasar
Status:
Malicious
First seen:
2022-07-17 19:00:16 UTC
File Type:
PE (.Net Exe)
Extracted files:
2
AV detection:
26 of 26 (100.00%)
Threat level:
  5/5
Result
Malware family:
Score:
  10/10
Tags:
family:quasar botnet:office04s% spyware trojan
Behaviour
Creates scheduled task(s)
Suspicious use of AdjustPrivilegeToken
Suspicious use of SetWindowsHookEx
Suspicious use of WriteProcessMemory
Executes dropped EXE
Quasar RAT
Quasar payload
Malware Config
C2 Extraction:
gewagg.hopto.org:1674
Unpacked files
SH256 hash:
f351d8782667176f51bd4b36b85e8ca3895a7583f445b77062d5fbf629d0d14a
MD5 hash:
3727c5aa07ad1d9e86f0b193e23238c2
SHA1 hash:
97dba7009687bfb5d78fa685d5bcb5763c47422f
Please note that we are no longer able to provide a coverage score for Virus Total.

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

QuasarRAT

Executable exe f351d8782667176f51bd4b36b85e8ca3895a7583f445b77062d5fbf629d0d14a

(this sample)

  
Delivery method
Distributed via web download

Comments



Avatar
zbet commented on 2022-07-18 07:57:56 UTC

url : hxxp://193.151.180.61/BcZsA.exe