MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 740634ecedd318ac8f84c360f5d253ff836c5e60da6542c65a140b17b4ba8024. 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

SHA256 hash: 740634ecedd318ac8f84c360f5d253ff836c5e60da6542c65a140b17b4ba8024
SHA3-384 hash: 7df447deb4eb12e3792cafdf3a85c62de8757b1ce3dba48038960a91938cc46787f628dae234de0a0a2de93474437da0
SHA1 hash: 76fbd5b88154976887b5099c21666ca3be2cd76e
MD5 hash: 1fb5d967f92174e0bbb15262f8cd209f
humanhash: cardinal-cat-vegan-wisconsin
File name:740634ecedd318ac8f84c360f5d253ff836c5e60da6542c65a140b17b4ba8024
Download: download sample
Signature QuasarRAT
File size:6'171'136 bytes
First seen:2022-08-05 11:12:14 UTC
Last seen:Never
File type:Executable exe
MIME type:application/x-dosexec
imphash f34d5f2d4577ed6d9ceec516c1f5a744 (31'209 x AgentTesla, 10'508 x Formbook, 5'466 x SnakeKeylogger)
ssdeep 98304:5Po4eyejblyJFeBLgYcNBUsBtzOevoMlda05+8pbVTnVp8DW1db7LAm0xVHzd6Wy:640sHwwakZpX1aYGHMaBq9DR5y03HQiB
TLSH T1F15612A2A5449898FEFA0230F0E57B2CC3F53783B5ED686E0ECD194511A5A88FD3558F
TrID 75.1% (.EXE) Generic CIL Executable (.NET, Mono, etc.) (73123/4/13)
6.7% (.DLL) Win32 Dynamic Link Library (generic) (6578/25/2)
5.1% (.EXE) Win16 NE executable (generic) (5038/12/1)
4.6% (.EXE) Win32 Executable (generic) (4505/5/1)
2.1% (.EXE) Win16/32 Executable Delphi generic (2072/23)
Reporter @adrian__luca
Tags:exe QuasarRAT

Intelligence


File Origin
# of uploads :
1
# of downloads :
329
Origin country :
HU HU
Mail intelligence
No data
Vendor Threat Intelligence
Malware family:
ID:
1
File name:
740634ecedd318ac8f84c360f5d253ff836c5e60da6542c65a140b17b4ba8024
Verdict:
Malicious activity
Analysis date:
2022-08-05 11:11:26 UTC
Tags:
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 window
–°reating synchronization primitives
Creating a file in the system32 subdirectories
Launching a process
Sending a custom TCP request
Enabling autorun by creating a file
Verdict:
Malicious
Threat level:
  10/10
Confidence:
100%
Tags:
anti-vm obfuscated packed stealer
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.evad
Score:
100 / 100
Signature
Connects to many ports of the same IP (likely port scanning)
Detected unpacking (changes PE section rights)
Detected unpacking (overwrites its own PE header)
Drops executables to the windows directory (C:\Windows) and starts them
Hides that the sample has been downloaded from the Internet (zone.identifier)
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
PE file contains section with special chars
Sigma detected: Schedule system process
Uses schtasks.exe or at.exe to add and modify task schedules
Yara detected Quasar RAT
Behaviour
Behavior Graph:
behaviorgraph top1 signatures2 2 Behavior Graph ID: 679249 Sample: HDPh51eN5s Startdate: 05/08/2022 Architecture: WINDOWS Score: 100 43 Malicious sample detected (through community Yara rule) 2->43 45 Multi AV Scanner detection for submitted file 2->45 47 Yara detected Quasar RAT 2->47 49 4 other signatures 2->49 9 HDPh51eN5s.exe 5 2->9         started        13 HDPh51eN5s.exe 2 2->13         started        process3 file4 31 C:\Windows\System32\...\RuntimeBroker.exe, PE32 9->31 dropped 33 C:\Users\user\AppData\...\HDPh51eN5s.exe.log, ASCII 9->33 dropped 51 Detected unpacking (changes PE section rights) 9->51 53 Detected unpacking (overwrites its own PE header) 9->53 55 Drops executables to the windows directory (C:\Windows) and starts them 9->55 57 2 other signatures 9->57 15 RuntimeBroker.exe 2 9->15         started        19 schtasks.exe 1 9->19         started        signatures5 process6 dnsIp7 35 82.211.246.53, 28391 DK-DANSKKABELTVDK Denmark 15->35 37 Multi AV Scanner detection for dropped file 15->37 39 Machine Learning detection for dropped file 15->39 41 Hides that the sample has been downloaded from the Internet (zone.identifier) 15->41 21 schtasks.exe 1 15->21         started        23 conhost.exe 19->23         started        signatures8 process9 process10 25 conhost.exe 21->25         started        27 MpCmdRun.exe 1 23->27         started        process11 29 conhost.exe 27->29         started       
Threat name:
ByteCode-MSIL.Trojan.Perseus
Status:
Malicious
First seen:
2022-07-28 06:23:00 UTC
File Type:
PE (.Net Exe)
Extracted files:
1
AV detection:
20 of 26 (76.92%)
Threat level:
  5/5
Verdict:
malicious
Result
Malware family:
Score:
  10/10
Tags:
family:quasar spyware trojan
Behaviour
Creates scheduled task(s)
Suspicious use of AdjustPrivilegeToken
Suspicious use of WriteProcessMemory
Drops file in System32 directory
Executes dropped EXE
Quasar RAT
Quasar payload
Unpacked files
SH256 hash:
740634ecedd318ac8f84c360f5d253ff836c5e60da6542c65a140b17b4ba8024
MD5 hash:
1fb5d967f92174e0bbb15262f8cd209f
SHA1 hash:
76fbd5b88154976887b5099c21666ca3be2cd76e

File information


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

Comments