MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 04ebf82354a507d9df2c5405db3e7f8c959310754ce4bd34755c32fbe7c08ec3. 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


Intelligence 13 IOCs YARA 19 File information Comments

SHA256 hash: 04ebf82354a507d9df2c5405db3e7f8c959310754ce4bd34755c32fbe7c08ec3
SHA3-384 hash: 2559b0f82dd35252add81639b34e9372ab3b341ace112f98447c12c5f61c12d182345b78d80c257d0554e3c803002232
SHA1 hash: 86ddfdf51c72a5d614f2a915c91947657c5eb88e
MD5 hash: b147edb49619a5dbfa010a5eb6c8ac62
humanhash: bulldog-purple-fanta-mike
File name:b147edb49619a5dbfa010a5eb6c8ac62.exe
Download: download sample
Signature QuasarRAT
File size:941'056 bytes
First seen:2022-11-28 17:17:14 UTC
Last seen:2022-11-28 18:32:41 UTC
File type:Executable exe
MIME type:application/x-dosexec
imphash f34d5f2d4577ed6d9ceec516c1f5a744 (48'652 x AgentTesla, 19'463 x Formbook, 12'204 x SnakeKeylogger)
ssdeep 24576:cFZSrDIn88fHbWjh+pknchlNrFDmCcHEyzyFOcxmlcOeyD:uSrDYBqyhrFDmTHyFOcAlp
Threatray 427 similar samples on MalwareBazaar
TLSH T19315029C726072DFC94BD476CFA86DA8AAA035BB430B5103902B55EDDE4D8D7CF580B2
TrID 28.5% (.EXE) Win64 Executable (generic) (10523/12/4)
17.8% (.DLL) Win32 Dynamic Link Library (generic) (6578/25/2)
13.6% (.EXE) Win16 NE executable (generic) (5038/12/1)
12.2% (.EXE) Win32 Executable (generic) (4505/5/1)
5.6% (.EXE) Win16/32 Executable Delphi generic (2072/23)
File icon (PE):PE icon
dhash icon 0763a5d2f85c2717 (5 x QuasarRAT, 2 x AveMariaRAT)
Reporter abuse_ch
Tags:exe QuasarRAT RAT

Intelligence


File Origin
# of uploads :
2
# of downloads :
296
Origin country :
n/a
Vendor Threat Intelligence
Malware family:
ID:
1
File name:
b147edb49619a5dbfa010a5eb6c8ac62.exe
Verdict:
Malicious activity
Analysis date:
2022-11-28 17:17:35 UTC
Tags:
trojan evasion quasar

Note:
ANY.RUN is an interactive sandbox that analyzes all user actions rather than an uploaded sample
Result
Verdict:
Malware
Maliciousness:

Behaviour
Creating a file
Using the Windows Management Instrumentation requests
Сreating synchronization primitives
DNS request
Sending an HTTP GET request
Creating a file in the %AppData% subdirectories
Launching a process
Enabling the 'hidden' option for recently created files
Creating a process from a recently created file
Creating a window
Unauthorized injection to a recently created process
Enabling autorun with the standard Software\Microsoft\Windows\CurrentVersion\Run registry branch
Unauthorized injection to a recently created process by context flags manipulation
Enabling autorun by creating a file
Verdict:
Likely Malicious
Threat level:
  7.5/10
Confidence:
100%
Tags:
confuserex packed
Result
Verdict:
UNKNOWN
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.evad
Score:
100 / 100
Signature
Antivirus / Scanner detection for submitted sample
Antivirus detection for URL or domain
C2 URLs / IPs found in malware configuration
Detected unpacking (changes PE section rights)
Machine Learning detection for sample
Malicious sample detected (through community Yara rule)
Multi AV Scanner detection for domain / URL
Multi AV Scanner detection for submitted file
PE file contains section with special chars
PE file has nameless sections
Yara detected Generic Downloader
Yara detected Quasar RAT
Behaviour
Behavior Graph:
Threat name:
ByteCode-MSIL.Backdoor.QuasarRAT
Status:
Malicious
First seen:
2022-11-28 10:41:41 UTC
File Type:
PE (.Net Exe)
Extracted files:
3
AV detection:
22 of 26 (84.62%)
Threat level:
  5/5
Result
Malware family:
Score:
  10/10
Tags:
family:quasar botnet:hop persistence spyware trojan
Behaviour
Creates scheduled task(s)
Suspicious use of AdjustPrivilegeToken
Suspicious use of WriteProcessMemory
Suspicious use of SetThreadContext
Adds Run key to start application
Looks up external IP address via web service
Loads dropped DLL
Executes dropped EXE
Quasar RAT
Quasar payload
Malware Config
C2 Extraction:
dnuocc.com:64594
www.dnuocc.com:64594
Unpacked files
SH256 hash:
de8a5fabd84989678521b6e84990a1047528746e9d4cca3ba0bd0893e3b7793c
MD5 hash:
cdecc61fa734be01898a71087263c745
SHA1 hash:
d50d585472069365ee3ef4485b9e6ae6fbf7655a
SH256 hash:
1a9a073d29369a7b601950bd13a2037c2bb65cb2c8883100f45194fa6f5d04a0
MD5 hash:
e656c1a439aee250e1474adb727cb251
SHA1 hash:
b733bec55668d565dc82b922dbbf92616acf649a
SH256 hash:
04ebf82354a507d9df2c5405db3e7f8c959310754ce4bd34755c32fbe7c08ec3
MD5 hash:
b147edb49619a5dbfa010a5eb6c8ac62
SHA1 hash:
86ddfdf51c72a5d614f2a915c91947657c5eb88e
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:CN_disclosed_20180208_KeyLogger_1
Author:Florian Roth
Description:Detects malware from disclosed CN malware set
Reference:https://www.virustotal.com/graph/#/selected/n120z79z208z189/drawer/graph-details
Rule name:CN_disclosed_20180208_KeyLogger_1_RID3227
Author:Florian Roth
Description:Detects malware from disclosed CN malware set
Reference:https://www.virustotal.com/graph/#/selected/n120z79z208z189/drawer/graph-details
Rule name:INDICATOR_EXE_Packed_ConfuserEx
Author:ditekSHen
Description:Detects executables packed with ConfuserEx Mod
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_Quasar_strings
Author:JPCERT/CC Incident Response Group
Description:detect QuasarRAT in memory
Rule name:MALWARE_Win_QuasarRAT
Author:ditekSHen
Description:QuasarRAT payload
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:Quasar_RAT_1
Author:Florian Roth
Description:Detects Quasar RAT
Reference:https://www.pwc.co.uk/cyber-security/pdf/cloud-hopper-annex-b-final.pdf
Rule name:Quasar_RAT_1_RID2B54
Author:Florian Roth
Description:Detects Quasar RAT
Reference:https://www.pwc.co.uk/cyber-security/pdf/cloud-hopper-annex-b-final.pdf
Rule name:Quasar_RAT_2
Author:Florian Roth
Description:Detects Quasar RAT
Reference:https://www.pwc.co.uk/cyber-security/pdf/cloud-hopper-annex-b-final.pdf
Rule name:Quasar_RAT_2_RID2B55
Author:Florian Roth
Description:Detects Quasar RAT
Reference:https://www.pwc.co.uk/cyber-security/pdf/cloud-hopper-annex-b-final.pdf
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/
Rule name:Windows_Trojan_Quasarrat_e52df647
Author:Elastic Security
Rule name:xRAT_1
Author:Florian Roth
Description:Detects Patchwork malware
Reference:https://goo.gl/Pg3P4W
Rule name:xRAT_1_RID2900
Author:Florian Roth
Description:Detects Patchwork malware
Reference:https://goo.gl/Pg3P4W

File information


The table below shows additional information about this malware sample such as delivery method and external references.

Web download

QuasarRAT

Executable exe 04ebf82354a507d9df2c5405db3e7f8c959310754ce4bd34755c32fbe7c08ec3

(this sample)

  
Delivery method
Distributed via web download

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