MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 e89780d28b646c9d08262ce5e98461ccad3bf797848556c711f18de2b4c2b058. 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: 16


Intelligence 16 IOCs YARA 21 File information Comments

SHA256 hash: e89780d28b646c9d08262ce5e98461ccad3bf797848556c711f18de2b4c2b058
SHA3-384 hash: 5b106496bae036c05dab5ea65f8708afe13d77aa30062787d6a9fd4a14cf0dc8d84f4ab91435f89ae6b8fc597f037045
SHA1 hash: 9589034e86fd6c137a9d3c336bf4d109d02d71a7
MD5 hash: 8ec0c056b3467ddabfd1d419dba2ab02
humanhash: diet-coffee-iowa-bakerloo
File name:1684920551ea8204bc6deacfb8b581a1ec6249e9488b3fd21fef67ff4e7514a570b18027fd948.dat-decoded
Download: download sample
Signature QuasarRAT
File size:1'085'952 bytes
First seen:2023-05-24 09:29:13 UTC
Last seen:2023-05-29 08:24:17 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 12288:Zk2ftY5kMJDyGouUqg75HVDBvduzTYTTuzikbSNDC/Nplg36up5cd7Ubl:Z/Y5kMJDyGouUqg75HVDBvdcXNplkTl
Threatray 70 similar samples on MalwareBazaar
TLSH T12F353A14FBF859A5F06E7F32747198054B38FE03693D974B2B9591890A6A381CCB2F63
TrID 53.1% (.EXE) Generic CIL Executable (.NET, Mono, etc.) (73123/4/13)
12.0% (.EXE) Microsoft Visual C++ compiled executable (generic) (16529/12/5)
9.5% (.SCR) Windows screen saver (13097/50/3)
7.6% (.EXE) Win64 Executable (generic) (10523/12/4)
4.7% (.DLL) Win32 Dynamic Link Library (generic) (6578/25/2)
Reporter abuse_ch
Tags:base64-decoded exe QuasarRAT


Avatar
abuse_ch
Malware dropped as base64 encoded payload

Intelligence


File Origin
# of uploads :
2
# of downloads :
272
Origin country :
DE DE
Vendor Threat Intelligence
Malware family:
ID:
1
File name:
1684920551ea8204bc6deacfb8b581a1ec6249e9488b3fd21fef67ff4e7514a570b18027fd948.dat-decoded
Verdict:
Malicious activity
Analysis date:
2023-05-24 09:32:03 UTC
Tags:
evasion quasar

Note:
ANY.RUN is an interactive sandbox that analyzes all user actions rather than an uploaded sample
Detection:
DLAgent09 Downloader
Result
Verdict:
Malware
Maliciousness:

Behaviour
Searching for the window
Using the Windows Management Instrumentation requests
Сreating synchronization primitives
DNS request
Sending an HTTP GET request
Creating a window
Sending a custom TCP request
Connecting to a non-recommended domain
Verdict:
Malicious
Threat level:
  10/10
Confidence:
100%
Tags:
anti-vm cmd.exe cmstp.exe evasive evasive explorer.exe fingerprint fingerprint keylogger lolbin lolbin net netsh.exe packed packed quasarrat rat reg regasm.exe schtasks.exe stealer update.exe
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:
Clipboard Hijacker, Quasar
Detection:
malicious
Classification:
troj.spyw.expl.evad
Score:
100 / 100
Signature
Antivirus / Scanner detection for submitted sample
Antivirus detection for URL or domain
C2 URLs / IPs found in malware configuration
Contains functionality to hide user accounts
Found malware configuration
Hides that the sample has been downloaded from the Internet (zone.identifier)
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 domain / URL
Multi AV Scanner detection for submitted file
Snort IDS alert for network traffic
Tries to detect sandboxes and other dynamic analysis tools (process name or module or function)
Yara detected AntiVM3
Yara detected Clipboard Hijacker
Yara detected Generic Downloader
Yara detected Quasar RAT
Yara detected UAC Bypass using CMSTP
Behaviour
Behavior Graph:
Threat name:
ByteCode-MSIL.Trojan.ClipBanker
Status:
Malicious
First seen:
2023-05-24 09:30:06 UTC
File Type:
PE (.Net Exe)
Extracted files:
30
AV detection:
21 of 23 (91.30%)
Threat level:
  5/5
Result
Malware family:
Score:
  10/10
Tags:
family:quasar botnet:op23 spyware trojan
Behaviour
Suspicious use of AdjustPrivilegeToken
Looks up external IP address via web service
Quasar RAT
Quasar payload
Malware Config
C2 Extraction:
vhf.sytes.net:4783
15.235.109.170:4782
Unpacked files
SH256 hash:
45ac8abe0a80c79997f57a0cd3098bbd28fb06852ac10dc84458e8c0fb807eda
MD5 hash:
069241ea1075d21813e6ee56022a6870
SHA1 hash:
f8863f683186afe38b19e4806af2f96d19390735
SH256 hash:
e89780d28b646c9d08262ce5e98461ccad3bf797848556c711f18de2b4c2b058
MD5 hash:
8ec0c056b3467ddabfd1d419dba2ab02
SHA1 hash:
9589034e86fd6c137a9d3c336bf4d109d02d71a7
Malware family:
QuasarRAT
Verdict:
Malicious
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:Disable_Defender
Author:iam-py-test
Description:Detect files disabling or modifying Windows Defender, Windows Firewall, or Microsoft Smartscreen
Rule name:INDICATOR_SUSPICIOUS_EXE_ASEP_REG_Reverse
Author:ditekSHen
Description:Detects file containing reversed ASEP Autorun registry keys
Rule name:INDICATOR_SUSPICIOUS_EXE_NoneWindowsUA
Author:ditekSHen
Description:Detects Windows executables referencing non-Windows User-Agents
Rule name:INDICATOR_SUSPICIOUS_EXE_RegKeyComb_DisableWinDefender
Author:ditekSHen
Description:Detects executables embedding registry key / value combination indicative of disabling Windows Defedner features
Rule name:INDICATOR_SUSPICIOUS_EXE_RegKeyComb_IExecuteCommandCOM
Author:ditekSHen
Description:Detects executables embedding command execution via IExecuteCommand COM object
Rule name:INDICATOR_SUSPICIOUS_EXE_UACBypass_CMSTPCMD
Author:ditekSHen
Description:Detects Windows exceutables bypassing UAC using CMSTP utility, command line and INF
Rule name:INDICATOR_SUSPICIOUS_EXE_UACBypass_EventViewer
Author:ditekSHen
Description:detects Windows exceutables potentially bypassing UAC using eventvwr.exe
Rule name:malware_Quasar_strings
Author:JPCERT/CC Incident Response Group
Description:detect QuasarRAT in memory
Rule name:MALWARE_Win_DLAgent09
Author:ditekSHen
Description:Detects known downloader agent
Rule name:MALWARE_Win_DLAgent10
Author:ditekSHen
Description:Detects known downloader agent
Rule name:MALWARE_Win_QuasarRAT
Author:ditekSHen
Description:QuasarRAT payload
Rule name:MAL_QuasarRAT_May19_1
Author:Florian Roth (Nextron Systems)
Description:Detects QuasarRAT malware
Reference:https://blog.ensilo.com/uncovering-new-activity-by-apt10
Rule name:MAL_QuasarRAT_May19_1
Description:Detects QuasarRAT malware
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:msil_suspicious_use_of_strreverse
Author:dr4k0nia
Description:Detects mixed use of Microsoft.CSharp and VisualBasic to use StrReverse
Rule name:pdb_YARAify
Author:@wowabiy314
Description:PDB
Rule name:pe_imphash
Rule name:RDPWrap
Author:@bartblaze
Description:Identifies RDP Wrapper, sometimes used by attackers to maintain persistence.
Reference:https://github.com/stascorp/rdpwrap
Rule name:Skystars_Malware_Imphash
Author:Skystars LightDefender
Description:imphash
Rule name:SUSP_NET_Msil_Suspicious_Use_StrReverse
Author:dr4k0nia, modified by Florian Roth
Description:Detects mixed use of Microsoft.CSharp and VisualBasic to use StrReverse
Reference:https://github.com/dr4k0nia/yara-rules
Rule name:SUSP_OneNote
Author:spatronn
Description:Hard-Detect One

File information


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

ea8204bc6deacfb8b581a1ec6249e9488b3fd21fef67ff4e7514a570b18027fd

QuasarRAT

Executable exe e89780d28b646c9d08262ce5e98461ccad3bf797848556c711f18de2b4c2b058

(this sample)

  
Dropped by
SHA256 ea8204bc6deacfb8b581a1ec6249e9488b3fd21fef67ff4e7514a570b18027fd
  
Dropped by
MD5 2664d8701475b672e2484efe2bbccee9
  
Delivery method
Distributed via web download

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