MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 3a8a3be6bfb60b2b9b2d02cc6ddf57e2ff0cb001b764df199026adc4e287ec4a. 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: 12


Intelligence 12 IOCs YARA 4 File information Comments

SHA256 hash: 3a8a3be6bfb60b2b9b2d02cc6ddf57e2ff0cb001b764df199026adc4e287ec4a
SHA3-384 hash: b918a816496c9a57fc751a24da03b5d0ea5da7bb9691fe5d0cf802898eb83b04d018001a87515ba3bb429ea68daee10c
SHA1 hash: f8aa05b336f47e781309675272df96053db152f1
MD5 hash: 376a3dc05bfe42276458069cc4f94f9f
humanhash: fillet-magazine-grey-burger
File name:376a3dc05bfe42276458069cc4f94f9f.exe
Download: download sample
Signature QuasarRAT
File size:860'672 bytes
First seen:2023-11-26 16:38:27 UTC
Last seen:2023-11-26 18:38:04 UTC
File type:Executable exe
MIME type:application/x-dosexec
imphash f34d5f2d4577ed6d9ceec516c1f5a744 (48'658 x AgentTesla, 19'469 x Formbook, 12'208 x SnakeKeylogger)
ssdeep 12288:JD0ICaVWX5FQIoltjK0uchaqhCAEAL3zMM8ULpRReMadlkRcu5GN1x+5B/5pvGr:evQIUpTCaL3zMZULTReMawN5GTcrGr
Threatray 188 similar samples on MalwareBazaar
TLSH T1A105D1A82BE58BA9F2EF1F7798F17A179735FA91D62FC30D18400C9C0C62B566940B53
TrID 67.7% (.EXE) Generic CIL Executable (.NET, Mono, etc.) (73123/4/13)
9.7% (.EXE) Win64 Executable (generic) (10523/12/4)
6.0% (.DLL) Win32 Dynamic Link Library (generic) (6578/25/2)
4.6% (.EXE) Win16 NE executable (generic) (5038/12/1)
4.1% (.EXE) Win32 Executable (generic) (4505/5/1)
Reporter abuse_ch
Tags:exe QuasarRAT

Intelligence


File Origin
# of uploads :
2
# of downloads :
304
Origin country :
NL NL
Vendor Threat Intelligence
Result
Verdict:
Malware
Maliciousness:

Behaviour
Unauthorized injection to a recently created process
Restart of the analyzed sample
Creating a file
Verdict:
Malicious
Threat level:
  10/10
Confidence:
100%
Tags:
expand greyware lolbin obfuscated packed packed remote smartassembly smart_assembly
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:
Quasar, RHADAMANTHYS
Detection:
malicious
Classification:
troj.spyw.evad
Score:
100 / 100
Signature
.NET source code contains potential unpacker
Antivirus detection for URL or domain
C2 URLs / IPs found in malware configuration
Found malware configuration
Found many strings related to Crypto-Wallets (likely being stolen)
Hides that the sample has been downloaded from the Internet (zone.identifier)
Injects a PE file into a foreign processes
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
Snort IDS alert for network traffic
Tries to detect sandboxes and other dynamic analysis tools (process name or module or function)
Tries to harvest and steal Bitcoin Wallet information
Tries to harvest and steal browser information (history, passwords, etc)
Tries to harvest and steal Putty / WinSCP information (sessions, passwords, etc)
Tries to steal Mail credentials (via file / registry access)
Uses dynamic DNS services
Uses schtasks.exe or at.exe to add and modify task schedules
Yara detected Costura Assembly Loader
Yara detected Generic Downloader
Yara detected Quasar RAT
Yara detected RHADAMANTHYS Stealer
Behaviour
Behavior Graph:
behaviorgraph top1 dnsIp2 2 Behavior Graph ID: 1347991 Sample: l5p5xMmhSI.exe Startdate: 26/11/2023 Architecture: WINDOWS Score: 100 44 serverhost345.duckdns.org 2->44 50 Snort IDS alert for network traffic 2->50 52 Found malware configuration 2->52 54 Malicious sample detected (through community Yara rule) 2->54 58 9 other signatures 2->58 13 l5p5xMmhSI.exe 3 2->13         started        signatures3 56 Uses dynamic DNS services 44->56 process4 signatures5 70 Tries to detect sandboxes and other dynamic analysis tools (process name or module or function) 13->70 72 Injects a PE file into a foreign processes 13->72 16 l5p5xMmhSI.exe 1 13->16         started        process6 process7 18 dialer.exe 16->18         started        21 WerFault.exe 2 16->21         started        23 WerFault.exe 2 16->23         started        dnsIp8 46 95.214.25.98, 49705, 49711, 49712 CMCSUS Germany 18->46 25 OpenWith.exe 1 18->25         started        process9 file10 42 C:\Users\user\AppData\Local\...\CFR8Qa.exe, PE32 25->42 dropped 62 Tries to harvest and steal Putty / WinSCP information (sessions, passwords, etc) 25->62 64 Tries to steal Mail credentials (via file / registry access) 25->64 66 Found many strings related to Crypto-Wallets (likely being stolen) 25->66 68 2 other signatures 25->68 29 CFR8Qa.exe 3 25->29         started        32 wmplayer.exe 25->32         started        signatures11 process12 signatures13 74 Multi AV Scanner detection for dropped file 29->74 76 Machine Learning detection for dropped file 29->76 78 Uses schtasks.exe or at.exe to add and modify task schedules 29->78 80 Injects a PE file into a foreign processes 29->80 34 CFR8Qa.exe 2 29->34         started        process14 dnsIp15 48 serverhost345.duckdns.org 163.5.215.187, 49713, 49714, 49715 EPITECHFR France 34->48 60 Hides that the sample has been downloaded from the Internet (zone.identifier) 34->60 38 schtasks.exe 1 34->38         started        signatures16 process17 process18 40 conhost.exe 38->40         started       
Threat name:
ByteCode-MSIL.Trojan.Zilla
Status:
Malicious
First seen:
2023-11-26 16:39:05 UTC
File Type:
PE (.Net Exe)
Extracted files:
1
AV detection:
11 of 37 (29.73%)
Threat level:
  5/5
Result
Malware family:
n/a
Score:
  5/10
Tags:
n/a
Behaviour
Suspicious behavior: EnumeratesProcesses
Suspicious use of AdjustPrivilegeToken
Suspicious use of WriteProcessMemory
Program crash
Suspicious use of SetThreadContext
Unpacked files
SH256 hash:
b4244bfccf56fafe0501f5fa9824aaa563891ee251c30326ca785593802e2756
MD5 hash:
913a3b1a7759b2d303e099a447ec9b9e
SHA1 hash:
ff992d2e77fe9da19bd5f20c1982a2b162f4904b
SH256 hash:
dcd7bed40c9dda6d884cb8df72790dbba1c470764dbb177dc93babac9d58ea0c
MD5 hash:
9f789514a983f3bd95d447cfaedfc0f9
SHA1 hash:
c01a75780dca6ada8cd273219c458fdae885087f
SH256 hash:
fb76d7424340b33b12b7707a8515b8812d1d6560864dbd7e963305055fc3a290
MD5 hash:
19c9967b0a1d612fe65e5c61d4efe280
SHA1 hash:
6648871ee834f5f195631d430222d20fd959b0d3
SH256 hash:
19efdf03cb94895935225795f68bb9abfded1869687367013b8b4eee3cc99372
MD5 hash:
4e29f75c0c51b9dec76955f0382d9541
SHA1 hash:
4899aa8e3f57339cbaec8faab777897a76fe1c3a
SH256 hash:
faed5eacde16f97b2d40b723a28acfe7ea051333b1a5e777fc702367ee903f41
MD5 hash:
afa1ffaf2b358847fd4d88fab704f702
SHA1 hash:
0fe9f9e7f97d804ea9f3a0f0cc349f5c8a4daa9b
SH256 hash:
3a8a3be6bfb60b2b9b2d02cc6ddf57e2ff0cb001b764df199026adc4e287ec4a
MD5 hash:
376a3dc05bfe42276458069cc4f94f9f
SHA1 hash:
f8aa05b336f47e781309675272df96053db152f1
Detections:
INDICATOR_EXE_Packed_SmartAssembly
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:INDICATOR_EXE_Packed_SmartAssembly
Author:ditekSHen
Description:Detects executables packed with SmartAssembly
Rule name:NET
Author:malware-lu
Rule name:pe_imphash
Rule name:Skystars_Malware_Imphash
Author:Skystars LightDefender
Description:imphash

File information


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

Comments