MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 ba78571683994ac10261134dab60e6e98dd417a417ff32aac59fe461e4e3ccd9. 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 File information Comments 1
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: ba78571683994ac10261134dab60e6e98dd417a417ff32aac59fe461e4e3ccd9
SHA3-384 hash: b94357fbb1c5060eb5b5e1af833e440cfdb4497020820aff5ab83c1a58540c0fd0713feb3d7568591a74b5b71a024702
SHA1 hash: 0350cd5db239fb09ec4f30bed172551e410a76d4
MD5 hash: d1ba7baf72077fb7d02f44c9f9b8f7ae
humanhash: batman-wolfram-nevada-sodium
File name:d1ba7baf72077fb7d02f44c9f9b8f7ae
Download: download sample
Signature QuasarRAT
Create hunting rule
File size:1'443'973 bytes
First seen:2024-04-04 10:36:51 UTC
Last seen:2024-04-04 11:32:38 UTC
File type:Executable exe
MIME type:application/x-dosexec
imphash f4639a0b3116c2cfc71144b88a929cfd (96 x GuLoader, 53 x Formbook, 37 x VIPKeylogger)
ssdeep 24576:jfL1G/8dALL9ZvVby0ko+aUTVLHqsBjXeUlw56+Vk0/Zu9EhXIQ6Qjo0e4:L00AF3y0V+DBLJXJWVkYMK1Xjo54
TLSH T1B2652242F491E3F2D9710533E2C5E7F21F2A7D9EFB1A6B8B22007B893576241790BA51
TrID 47.3% (.EXE) Win32 Executable MS Visual C++ (generic) (31206/45/13)
15.9% (.EXE) Win64 Executable (generic) (10523/12/4)
9.9% (.DLL) Win32 Dynamic Link Library (generic) (6578/25/2)
7.6% (.EXE) Win16 NE executable (generic) (5038/12/1)
6.8% (.EXE) Win32 Executable (generic) (4504/4/1)
File icon (PE):PE icon
dhash icon 58c8d1d0cecbeeec (18 x AsyncRAT, 9 x XWorm, 6 x QuasarRAT)
Reporter zbetcheckin
Tags:32 exe QuasarRAT

Intelligence

File Origin
# of uploads :
2
# of downloads :
349
Origin country :
FR FR
Vendor Threat Intelligence
Malware family:
quasar
Create hunting rule
ID:
1
File name:
ba78571683994ac10261134dab60e6e98dd417a417ff32aac59fe461e4e3ccd9.exe
Verdict:
Malicious activity
Analysis date:
2024-04-04 10:38:32 UTC
Tags:
quasar
Link:
https://app.any.run/tasks/d2fedb64-a0d5-47c8-92c0-bced1ab2e7d0

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
Creating a process from a recently created file
Creating a window
Сreating synchronization primitives
Running batch commands
Creating a process with a hidden window
Launching a process
Using the Windows Management Instrumentation requests
Moving a file to the Program Files subdirectory
Replacing files
Forced shutdown of a system process
Enabling autorun by creating a file
Unauthorized injection to a system process
Verdict:
Malicious
Labled as:
Malware
Link:
https://www.hybrid-analysis.com/sample/ba78571683994ac10261134dab60e6e98dd417a417ff32aac59fe461e4e3ccd9
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
Link:
https://analyze.intezer.com/analyses/fd490f8f-0948-443f-b75f-e3e09cb71b94
Result
Threat name:
Quasar
Create hunting rule
Detection:
malicious
Classification:
troj.expl.evad
Score:
100 / 100
Link:
https://www.joesandbox.com/analysis/1420082
Signature
.NET source code contains potential unpacker
Antivirus detection for URL or domain
Bypasses PowerShell execution policy
C2 URLs / IPs found in malware configuration
Drops VBS files to the startup folder
Encrypted powershell cmdline option found
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)
Malicious sample detected (through community Yara rule)
Multi AV Scanner detection for domain / URL
Multi AV Scanner detection for submitted file
Sigma detected: Base64 Encoded PowerShell Command Detected
Sigma detected: Drops script at startup location
Sigma detected: PowerShell Base64 Encoded FromBase64String Cmdlet
Sigma detected: PowerShell Base64 Encoded Invoke Keyword
Sigma detected: WScript or CScript Dropper
Suspicious execution chain found
Suspicious powershell command line found
Very long command line found
Windows Scripting host queries suspicious COM object (likely to drop second stage)
Wscript starts Powershell (via cmd or directly)
Yara detected AntiVM3
Yara detected Generic Downloader
Yara detected Powershell dedcode and execute
Yara detected Quasar RAT
Behaviour
Behavior Graph:
Download SVG
behaviorgraph top1 signatures2 2 Behavior Graph ID: 1420082 Sample: Kf4ujwWGc2.exe Startdate: 04/04/2024 Architecture: WINDOWS Score: 100 59 Multi AV Scanner detection for domain / URL 2->59 61 Found malware configuration 2->61 63 Malicious sample detected (through community Yara rule) 2->63 65 13 other signatures 2->65 9 Kf4ujwWGc2.exe 7 2->9         started        12 wscript.exe 1 2->12         started        process3 file4 47 C:\Users\user\temp.bat, DOS 9->47 dropped 49 C:\Users\user\start.vbs, ASCII 9->49 dropped 15 wscript.exe 1 9->15         started        75 Wscript starts Powershell (via cmd or directly) 12->75 77 Windows Scripting host queries suspicious COM object (likely to drop second stage) 12->77 79 Suspicious execution chain found 12->79 18 cmd.exe 1 12->18         started        signatures5 process6 signatures7 89 Wscript starts Powershell (via cmd or directly) 15->89 91 Windows Scripting host queries suspicious COM object (likely to drop second stage) 15->91 93 Suspicious execution chain found 15->93 20 cmd.exe 2 15->20         started        23 powershell.exe 18->23         started        25 conhost.exe 18->25         started        process8 signatures9 67 Suspicious powershell command line found 20->67 69 Wscript starts Powershell (via cmd or directly) 20->69 71 Very long command line found 20->71 73 2 other signatures 20->73 27 powershell.exe 16 20->27         started        31 powershell.exe 17 20->31         started        33 conhost.exe 20->33         started        35 RegAsm.exe 3 23->35         started        37 RegAsm.exe 23->37         started        39 RegAsm.exe 23->39         started        41 2 other processes 23->41 process10 file11 51 C:\Users\user\explorer.ps1, Unicode 27->51 dropped 81 Drops VBS files to the startup folder 27->81 83 Suspicious execution chain found 27->83 85 Found suspicious powershell code related to unpacking or dynamic code loading 27->85 53 C:\Users\user\AppData\Roaming\...\start.vbs, ASCII 31->53 dropped 43 RegAsm.exe 2 31->43         started        signatures12 process13 dnsIp14 55 217.63.234.90, 1313, 49717, 49719 TNF-ASNL Netherlands 43->55 57 127.0.0.1 unknown unknown 43->57 87 Hides that the sample has been downloaded from the Internet (zone.identifier) 43->87 signatures15
Score:
99%
Verdict:
Malware
File Type:
PE
Link:
https://malprob.io/report/ba78571683994ac10261134dab60e6e98dd417a417ff32aac59fe461e4e3ccd9
Detection:
n/a
Link:
https://mwdb.cert.pl/sample/ba78571683994ac10261134dab60e6e98dd417a417ff32aac59fe461e4e3ccd9/
Threat name:
Win32.Trojan.Iernelh
Create hunting rule
Status:
Malicious
First seen:
2024-04-03 14:55:22 UTC
File Type:
PE (Exe)
Extracted files:
2
AV detection:
18 of 24 (75.00%)
Threat level:
  5/5
Detection(s):
Suspicious file
Link:
https://check.spamhaus.org/check/?searchterm=xj4fofudtffmcatbcng2wyhg5gg5if5ec77tfkwft7sgdzhdztmq._file
Verdict:
unknown
Result
Malware family:
quasar
Create hunting rule
Score:
  10/10
Tags:
family:quasar botnet:crypt test spyware trojan
Link:
https://tria.ge/reports/240404-mntbjadb85/
Behaviour
Suspicious behavior: EnumeratesProcesses
Suspicious use of AdjustPrivilegeToken
Suspicious use of WriteProcessMemory
Enumerates physical storage devices
Suspicious use of SetThreadContext
Checks computer location settings
Drops startup file
Quasar RAT
Quasar payload
Malware Config
C2 Extraction:
217.63.234.90:1313
127.0.0.1:1313
Unpacked files
SH256 hash:
ba78571683994ac10261134dab60e6e98dd417a417ff32aac59fe461e4e3ccd9
MD5 hash:
d1ba7baf72077fb7d02f44c9f9b8f7ae
SHA1 hash:
0350cd5db239fb09ec4f30bed172551e410a76d4
Link:
https://www.unpac.me/results/7378ccb3-6862-4fb5-b8aa-19fc35f7d434/
Malware family:
QuasarRAT
Create hunting rule
Verdict:
Malicious
Link:
https://www.vmray.com/analyses/_mb/ba7857168399/report/overview.html
Please note that we are no longer able to provide a coverage score for Virus Total.
Threat name:
Malicious File
Score:
1.00
Link:
https://yomi.yoroi.company/submissions/ba78571683994ac10261134dab60e6e98dd417a417ff32aac59fe461e4e3ccd9

File information

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

Web download

QuasarRAT

Executable exe ba78571683994ac10261134dab60e6e98dd417a417ff32aac59fe461e4e3ccd9

(this sample)

  
Delivery method
Distributed via web download
  
URLhaus
https://urlhaus.abuse.ch/url/2801006/

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_DLL_CHARACTERISTICSMissing dll Security Characteristics (HIGH_ENTROPY_VA)high
Reviews
IDCapabilitiesEvidence
COM_BASE_APICan Download & Execute componentsole32.dll::CoCreateInstance
SECURITY_BASE_APIUses Security Base APIADVAPI32.dll::AdjustTokenPrivileges
SHELL_APIManipulates System ShellSHELL32.dll::ShellExecuteExW
SHELL32.dll::SHFileOperationW
SHELL32.dll::SHGetFileInfoW
WIN32_PROCESS_APICan Create Process and ThreadsKERNEL32.dll::CreateProcessW
ADVAPI32.dll::OpenProcessToken
KERNEL32.dll::CloseHandle
KERNEL32.dll::CreateThread
WIN_BASE_APIUses Win Base APIKERNEL32.dll::LoadLibraryExW
KERNEL32.dll::GetDiskFreeSpaceW
KERNEL32.dll::GetCommandLineW
WIN_BASE_IO_APICan Create FilesKERNEL32.dll::CopyFileW
KERNEL32.dll::CreateDirectoryW
KERNEL32.dll::CreateFileW
KERNEL32.dll::DeleteFileW
KERNEL32.dll::MoveFileW
KERNEL32.dll::MoveFileExW
WIN_BASE_USER_APIRetrieves Account InformationADVAPI32.dll::LookupPrivilegeValueW
WIN_REG_APICan Manipulate Windows RegistryADVAPI32.dll::RegCreateKeyExW
ADVAPI32.dll::RegDeleteKeyW
ADVAPI32.dll::RegOpenKeyExW
ADVAPI32.dll::RegQueryValueExW
ADVAPI32.dll::RegSetValueExW
WIN_USER_APIPerforms GUI ActionsUSER32.dll::AppendMenuW
USER32.dll::EmptyClipboard
USER32.dll::FindWindowExW
USER32.dll::OpenClipboard
USER32.dll::PeekMessageW
USER32.dll::CreateWindowExW

Comments


Avatar
zbet commented on 2024-04-04 10:36:52 UTC

url : hxxp://185.196.10.233/crypt.exe