MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 dd521a930828a2e7f3cbbf7236acefd04b75213a9e14b4ff2f5bbbe53ebb178f. 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 7 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: dd521a930828a2e7f3cbbf7236acefd04b75213a9e14b4ff2f5bbbe53ebb178f
SHA3-384 hash: 7d6a86cfa3623636f47ea3adac1b959aa55c87b3c07bdcb655346615030c989ddae4bd0f07fd240f907d28dc0b7ac2aa
SHA1 hash: d0cd60a4bcc664f25d06bb678f0aa124d2b8fcf3
MD5 hash: 1b3c6e3b3ab3641e0001874a99472682
humanhash: india-friend-two-earth
File name:dd521a930828a2e7f3cbbf7236acefd04b75213a9e14b4ff2f5bbbe53ebb178f
Download: download sample
Signature QuasarRAT
Create hunting rule
File size:28'398'011 bytes
First seen:2024-09-23 17:37:03 UTC
Last seen:Never
File type:Executable exe
MIME type:application/x-dosexec
imphash c9adc83b45e363b21cd6b11b5da0501f (82 x ArkeiStealer, 60 x RecordBreaker, 46 x RedLineStealer)
ssdeep 786432:tUpZvYGW0XpRFuSd3T+FhP8I+gqcSorasy6nMk6DNk:ypFY8pRF4ticfb
Threatray 895 similar samples on MalwareBazaar
TLSH T144573344714AD178C2287E77F7ABCD36E530AF934B88898F61FD7D472D4274A381622A
TrID 94.7% (.EXE) Win32 Executable Borland Delphi 7 (664796/42/58)
2.0% (.EXE) Win32 Executable Delphi generic (14182/79/4)
1.4% (.EXE) DOS Borland compiled Executable (generic) (10000/1/2)
0.6% (.EXE) Win32 Executable (generic) (4504/4/1)
0.2% (.EXE) Win16/32 Executable Delphi generic (2072/23)
Magika pebin
File icon (PE):PE icon
dhash icon f86870f8fc749192 (1 x QuasarRAT)
Reporter JAMESWT_WT
Tags:desckvbrat-com-br exe QuasarRAT

Intelligence

File Origin
# of uploads :
1
# of downloads :
378
Origin country :
IT IT
Vendor Threat Intelligence
Malware family:
n/a
ID:
1
File name:
dd521a930828a2e7f3cbbf7236acefd04b75213a9e14b4ff2f5bbbe53ebb178f
Verdict:
Malicious activity
Analysis date:
2024-09-23 17:53:24 UTC
Tags:
n/a
Link:
https://app.any.run/tasks/40bde87b-6d32-4168-af29-60d0107fde82

Note:
ANY.RUN is an interactive sandbox that analyzes all user actions rather than an uploaded sample
Verdict:
Malicious
Score:
99.9%
Link:
https://cyber-fortress.com/docs/result/index.php?id=66f1a77e8aca58c2b2c6ee64
Tags:
Encryption Execution Generic Network Stealth Trojan Redcap Monitor Dropper Gumen
Result
Verdict:
Malware
Maliciousness:

Behaviour
Searching for the window
Creating a window
Delayed reading of the file
Creating a file in the %temp% subdirectories
Сreating synchronization primitives
Creating a file in the Program Files subdirectories
Creating a file in the %AppData% directory
Modifying a system file
Verdict:
Likely Malicious
Threat level:
  7.5/10
Confidence:
100%
Tags:
borland_delphi fingerprint installer lolbin overlay packed redcap shell32
Link:
https://www.filescan.io/uploads/66f1a783d2758b8668bb6b2d/reports/37fb899f-d820-4d84-9d04-87fefaa001ee/overview
Verdict:
Malicious
Labled as:
Malware
Link:
https://www.hybrid-analysis.com/sample/dd521a930828a2e7f3cbbf7236acefd04b75213a9e14b4ff2f5bbbe53ebb178f
Result
Verdict:
MALICIOUS
Result
Threat name:
AsyncRAT, DcRat, Quasar, XWorm
Create hunting rule
Detection:
malicious
Classification:
spre.troj.spyw.expl.evad
Score:
100 / 100
Link:
https://www.joesandbox.com/analysis/1516066
Signature
.NET source code contains potential unpacker
AI detected suspicious sample
Allocates memory in foreign processes
Antivirus / Scanner detection for submitted sample
Antivirus detection for URL or domain
Bypasses PowerShell execution policy
C2 URLs / IPs found in malware configuration
Connects to a pastebin service (likely for C&C)
Connects to many ports of the same IP (likely port scanning)
Creates autostart registry keys with suspicious values (likely registry only malware)
Creates multiple autostart registry keys
Found malware configuration
Found suspicious powershell code related to unpacking or dynamic code loading
Hides that the sample has been downloaded from the Internet (zone.identifier)
Injects a PE file into a foreign processes
Installs a global keyboard hook
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
Queries sensitive video device information (via WMI, Win32_VideoController, often done to detect virtual machines)
Sample uses process hollowing technique
Sample uses string decryption to hide its real strings
Sigma detected: Base64 Encoded PowerShell Command Detected
Sigma detected: Copy file to startup via Powershell
Sigma detected: Potential PowerShell Obfuscation Via Reversed Commands
Sigma detected: PowerShell Base64 Encoded FromBase64String Cmdlet
Sigma detected: WScript or CScript Dropper
Suricata IDS alerts for network traffic
Suspicious execution chain found
Suspicious powershell command line found
Tries to download and execute files (via powershell)
Very long command line found
Windows Scripting host queries suspicious COM object (likely to drop second stage)
Writes to foreign memory regions
Wscript starts Powershell (via cmd or directly)
Yara detected AntiVM3
Yara detected AsyncRAT
Yara detected DcRat
Yara detected Generic Downloader
Yara detected Powershell download and execute
Yara detected Quasar RAT
Yara detected XWorm
Behaviour
Behavior Graph:
Download SVG
behaviorgraph top1 dnsIp2 2 Behavior Graph ID: 1516066 Sample: 0n25lfPJxD.exe Startdate: 23/09/2024 Architecture: WINDOWS Score: 100 131 pastebin.com 2->131 133 paste.ee 2->133 135 8 other IPs or domains 2->135 151 Suricata IDS alerts for network traffic 2->151 153 Found malware configuration 2->153 155 Malicious sample detected (through community Yara rule) 2->155 159 22 other signatures 2->159 11 0n25lfPJxD.exe 18 22 2->11         started        14 msiexec.exe 2->14         started        16 cmd.exe 2->16         started        18 3 other processes 2->18 signatures3 157 Connects to a pastebin service (likely for C&C) 133->157 process4 dnsIp5 113 C:\Program Files (x86)\...\vcruntime140_1.dll, PE32+ 11->113 dropped 115 C:\Program Files (x86)\...\vcruntime140.dll, PE32+ 11->115 dropped 117 C:\Program Files (x86)\...\jli.dll, PE32+ 11->117 dropped 125 8 other files (3 malicious) 11->125 dropped 21 wscript.exe 1 11->21         started        24 Setup.exe 11->24         started        27 GlassPack.exe 1 10 11->27         started        29 wscript.exe 1 11->29         started        119 C:\Windows\Installer\MSIA267.tmp, PE32 14->119 dropped 121 C:\Windows\Installer\MSIA18B.tmp, PE32 14->121 dropped 123 C:\Windows\Installer\MSIA12D.tmp, PE32 14->123 dropped 127 14 other malicious files 14->127 dropped 31 msiexec.exe 14->31         started        33 msiexec.exe 14->33         started        39 2 other processes 14->39 35 GlassPack.exe 16->35         started        37 conhost.exe 16->37         started        137 www.duplicatedetective.com 40.114.114.106, 443, 62250, 62251 MICROSOFT-CORP-MSN-AS-BLOCKUS United States 18->137 139 127.0.0.1 unknown unknown 18->139 file6 process7 file8 161 Suspicious powershell command line found 21->161 163 Wscript starts Powershell (via cmd or directly) 21->163 165 Very long command line found 21->165 177 2 other signatures 21->177 41 powershell.exe 7 21->41         started        97 C:\Users\user\AppData\Roaming\...\decoder.dll, PE32 24->97 dropped 99 C:\Users\user\AppData\Roaming\...\tag.dll, PE32+ 24->99 dropped 101 C:\Users\user\AppData\Roaming\...\pdfium.dll, PE32+ 24->101 dropped 109 16 other files (15 malicious) 24->109 dropped 44 Setup.exe 24->44         started        103 C:\Users\user\Document\vcruntime140_1.dll, PE32+ 27->103 dropped 105 C:\Users\user\Document\vcruntime140.dll, PE32+ 27->105 dropped 107 C:\Users\user\Document\jli.dll, PE32+ 27->107 dropped 111 4 other malicious files 27->111 dropped 167 Creates multiple autostart registry keys 27->167 169 Writes to foreign memory regions 27->169 171 Allocates memory in foreign processes 27->171 47 CasPol.exe 15 6 27->47         started        50 conhost.exe 27->50         started        52 MSBuild.exe 27->52         started        54 powershell.exe 29->54         started        173 Sample uses process hollowing technique 35->173 175 Injects a PE file into a foreign processes 35->175 56 conhost.exe 35->56         started        58 jsc.exe 35->58         started        signatures9 process10 dnsIp11 189 Suspicious powershell command line found 41->189 191 Tries to download and execute files (via powershell) 41->191 193 Bypasses PowerShell execution policy 41->193 199 2 other signatures 41->199 60 powershell.exe 41->60         started        63 conhost.exe 41->63         started        129 C:\Users\user\AppData\Local\...\shi7216.tmp, PE32+ 44->129 dropped 147 4Mekey1.myftp.biz 192.227.228.34, 4782, 49734, 62240 AS-COLOCROSSINGUS United States 47->147 149 ipwho.is 195.201.57.90, 443, 62220 HETZNER-ASDE Germany 47->149 195 Hides that the sample has been downloaded from the Internet (zone.identifier) 47->195 197 Installs a global keyboard hook 47->197 65 powershell.exe 54->65         started        68 conhost.exe 54->68         started        file12 signatures13 process14 dnsIp15 143 desckvbrat.com.br 191.252.83.213, 21, 60129, 60205 LocawebServicosdeInternetSABR Brazil 60->143 145 paste.ee 188.114.97.3, 443, 62225, 62227 CLOUDFLARENETUS European Union 60->145 70 powershell.exe 60->70         started        74 cmd.exe 60->74         started        76 powershell.exe 60->76         started        78 cmd.exe 60->78         started        95 C:\Users\user\AppData\Local\...\qvcvy.ps1, Unicode 65->95 dropped 80 powershell.exe 65->80         started        82 powershell.exe 65->82         started        84 cmd.exe 65->84         started        file16 process17 dnsIp18 141 pastebin.com 104.20.3.235, 443, 62238, 62239 CLOUDFLARENETUS United States 70->141 181 Writes to foreign memory regions 70->181 183 Injects a PE file into a foreign processes 70->183 86 RegAsm.exe 70->86         started        89 taskkill.exe 70->89         started        91 taskkill.exe 80->91         started        93 RegAsm.exe 80->93         started        185 Creates autostart registry keys with suspicious values (likely registry only malware) 82->185 187 Creates multiple autostart registry keys 82->187 signatures19 process20 signatures21 179 Queries sensitive video device information (via WMI, Win32_VideoController, often done to detect virtual machines) 86->179
Score:
78%
Verdict:
Malware
File Type:
PE
Link:
https://malprob.io/report/dd521a930828a2e7f3cbbf7236acefd04b75213a9e14b4ff2f5bbbe53ebb178f
Gathering data
Threat name:
Win32.Trojan.FlffObfRR
Create hunting rule
Status:
Malicious
First seen:
2024-08-18 18:34:23 UTC
File Type:
PE (Exe)
AV detection:
18 of 24 (75.00%)
Threat level:
  5/5
Detection(s):
Suspicious file
Link:
https://check.spamhaus.org/check/?searchterm=3vjbveyifcrop46lx5zdnlhp2bfxkij2tyklj7zplo56kpv3c6hq._file
Verdict:
malicious
Label(s):
quasarrat
Create hunting rule
Similar samples:
01d7838a7a970a4fca588740cf6f8129f4ae01b0d9936eb43a1aff9436b848a2
QuasarRAT
4af6214cb055e4927edac5d42439c77c2c732c9a51b18bed148da55bd1d2387c
QuasarRAT
73399ca48340bd7a31da27d573966f23371fe4ea82625ee3b7ce2772386b9e04
QuasarRAT
b030a9aaa27be2c9db6c0f15e95626025f51430466b13a196908b1ec4172160c
QuasarRAT
f2156d1783e3ac6ce1a003a5543ab525a648d87061ed9a913e3c99ed492f166f
QuasarRAT
+ 885 additional samples on MalwareBazaar
Result
Malware family:
xworm
Create hunting rule
Score:
  10/10
Tags:
family:asyncrat family:quasar family:xworm botnet:07pjo24 botnet:biig2 defense_evasion discovery execution persistence rat spyware trojan
Link:
https://tria.ge/reports/240923-v6694sycpc/
Behaviour
Kills process with taskkill
Modifies registry class
Modifies system certificate store
Suspicious behavior: EnumeratesProcesses
Suspicious use of AdjustPrivilegeToken
Suspicious use of FindShellTrayWindow
Suspicious use of SetWindowsHookEx
Suspicious use of WriteProcessMemory
Enumerates physical storage devices
System Location Discovery: System Language Discovery
Drops file in Program Files directory
Drops file in Windows directory
Suspicious use of SetThreadContext
Adds Run key to start application
Checks installed software on the system
Command and Scripting Interpreter: PowerShell
Enumerates connected drives
Indicator Removal: File Deletion
Legitimate hosting services abused for malware hosting/C2
Checks computer location settings
Drops startup file
Executes dropped EXE
Loads dropped DLL
Blocklisted process makes network request
AsyncRat
Detect Xworm Payload
Quasar RAT
Quasar payload
Xworm
Malware Config
C2 Extraction:
4mekey1.myftp.biz:4782
4Mekey1.myftp.biz:7000
4mekey1.myftp.biz:8848
Dropper Extraction:
https://drive.google.com/uc?export=download&id=
Verdict:
Suspicious
Tags:
n/a
YARA:
n/a
Link:
https://app.threat.zone/submission/849b4c04-f498-4a27-9b47-29fa21f7adeb
Malware family:
QuasarRAT
Create hunting rule
Verdict:
Malicious
Link:
https://www.vmray.com/analyses/_mb/dd521a930828/report/overview.html
Please note that we are no longer able to provide a coverage score for Virus Total.
Threat name:
iSpy Keylogger
Score:
1.00
Link:
https://yomi.yoroi.company/submissions/dd521a930828a2e7f3cbbf7236acefd04b75213a9e14b4ff2f5bbbe53ebb178f

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:BobSoftMiniDelphiBoBBobSoft
Create hunting rule
Author:malware-lu
Rule name:Borland
Create hunting rule
Author:malware-lu
Rule name:Detect_Malicious_VBScript_Base64
Create hunting rule
Author:daniyyell
Description:Detects malicious VBScript patterns, including Base64 decoding, file operations, and PowerShell.
Rule name:NET
Create hunting rule
Author:malware-lu
Rule name:pe_detect_tls_callbacks
Create hunting rule
Rule name:shellcode
Create hunting rule
Author:nex
Description:Matched shellcode byte patterns

File information

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

BLint

The following table provides more information about this file using BLint. BLint is a Binary Linter to check the security properties, and capabilities in executables.

Findings
IDTitleSeverity
CHECK_AUTHENTICODEMissing Authenticodehigh
CHECK_NXMissing Non-Executable Memory Protectioncritical
CHECK_PIEMissing Position-Independent Executable (PIE) Protectionhigh
CHECK_TRUST_INFORequires Elevated Execution (level:requireAdministrator)high
Reviews
IDCapabilitiesEvidence
AUTH_APIManipulates User Authorizationadvapi32.dll::AllocateAndInitializeSid
advapi32.dll::EqualSid
advapi32.dll::FreeSid
COM_BASE_APICan Download & Execute componentsole32.dll::CoCreateInstance
MULTIMEDIA_APICan Play Multimediagdi32.dll::StretchDIBits
winmm.dll::timeKillEvent
winmm.dll::timeSetEvent
SECURITY_BASE_APIUses Security Base APIadvapi32.dll::AdjustTokenPrivileges
advapi32.dll::GetTokenInformation
SHELL_APIManipulates System Shellshell32.dll::ShellExecuteExA
shell32.dll::ShellExecuteA
shell32.dll::SHGetFileInfoA
WIN32_PROCESS_APICan Create Process and Threadsadvapi32.dll::OpenProcessToken
kernel32.dll::OpenProcess
advapi32.dll::OpenThreadToken
kernel32.dll::CloseHandle
WIN_BASE_APIUses Win Base APIkernel32.dll::TerminateProcess
kernel32.dll::LoadLibraryA
kernel32.dll::GetStartupInfoA
kernel32.dll::GetDiskFreeSpaceA
kernel32.dll::GetCommandLineA
WIN_BASE_EXEC_APICan Execute other programskernel32.dll::WinExec
WIN_BASE_IO_APICan Create Fileskernel32.dll::CreateDirectoryA
kernel32.dll::CreateFileA
kernel32.dll::DeleteFileA
kernel32.dll::GetWindowsDirectoryA
kernel32.dll::GetSystemDirectoryA
kernel32.dll::GetFileAttributesA
WIN_BASE_USER_APIRetrieves Account Informationkernel32.dll::GetComputerNameA
advapi32.dll::GetUserNameA
advapi32.dll::LookupPrivilegeValueA
WIN_REG_APICan Manipulate Windows Registryadvapi32.dll::RegCreateKeyExA
advapi32.dll::RegOpenKeyExA
advapi32.dll::RegQueryInfoKeyA
advapi32.dll::RegQueryValueExA
advapi32.dll::RegSetValueExA
WIN_USER_APIPerforms GUI Actionsuser32.dll::FindWindowA
user32.dll::PeekMessageA
user32.dll::CreateWindowExA

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