MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 f9fe40ca4d842619322a11c4013a2210132d4c7afa0c4ae88be17f13ee6d1b16. 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 File information Comments

SHA256 hash: f9fe40ca4d842619322a11c4013a2210132d4c7afa0c4ae88be17f13ee6d1b16
SHA3-384 hash: de50b837792580960f54b0e046bfa73555e43a9fdf9052493c76b981ae86a086a082a78041d0e2744f0ef91283cdcfac
SHA1 hash: 8c914dd231daff31092bf5de3db22eb9c07c622d
MD5 hash: d5def75143e3302847f9e6f64a1cad4e
humanhash: lithium-shade-helium-mexico
File name:doc_Zapytanie - Oferta KH 09281.com
Download: download sample
Signature QuasarRAT
File size:3'863'552 bytes
First seen:2024-09-10 08:04:10 UTC
Last seen:2024-09-10 08:22:12 UTC
File type:Executable exe
MIME type:application/x-dosexec
imphash f34d5f2d4577ed6d9ceec516c1f5a744 (48'740 x AgentTesla, 19'599 x Formbook, 12'241 x SnakeKeylogger)
ssdeep 49152:cfMJOv6Id+/vm1z5O2W925nAkOvFNhRg6Zuzzt1TjmFPJBld+3Y81SUAbaYgrL8z:ckoSYGu15jWqQvbUN125JKrAbabB0
Threatray 816 similar samples on MalwareBazaar
TLSH T1860623131BD8C959C1BAD2B466AAC1300B76DE0BF8A3D376DEC1E9D33E15321AD0574A
TrID 71.1% (.EXE) Generic CIL Executable (.NET, Mono, etc.) (73123/4/13)
10.2% (.EXE) Win64 Executable (generic) (10523/12/4)
6.3% (.DLL) Win32 Dynamic Link Library (generic) (6578/25/2)
4.3% (.EXE) Win32 Executable (generic) (4504/4/1)
2.0% (.ICL) Windows Icons Library (generic) (2059/9)
Magika pebin
Reporter Anonymous
Tags:exe QuasarRAT

Intelligence


File Origin
# of uploads :
2
# of downloads :
443
Origin country :
US US
Vendor Threat Intelligence
Malware family:
asyncrat
ID:
1
File name:
doc_Zapytanie - Oferta KH 09281.com
Verdict:
Malicious activity
Analysis date:
2024-09-10 08:07:24 UTC
Tags:
rat asyncrat remote quasar evasion

Note:
ANY.RUN is an interactive sandbox that analyzes all user actions rather than an uploaded sample
Verdict:
Malicious
Score:
99.1%
Tags:
Execution Generic Network Static Stealth Msil
Verdict:
Suspicious
Threat level:
  5/10
Confidence:
100%
Tags:
masquerade packed
Result
Verdict:
UNKNOWN
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.spyw.evad
Score:
100 / 100
Signature
.NET source code contains potential unpacker
AI detected suspicious sample
C2 URLs / IPs found in malware configuration
Found malware configuration
Hides that the sample has been downloaded from the Internet (zone.identifier)
Initial sample is a PE file and has a suspicious name
Injects a PE file into a foreign processes
Installs a global keyboard hook
Malicious sample detected (through community Yara rule)
Multi AV Scanner detection for domain / URL
Multi AV Scanner detection for dropped file
Multi AV Scanner detection for submitted file
Suricata IDS alerts for network traffic
Uses schtasks.exe or at.exe to add and modify task schedules
Yara detected AntiVM3
Yara detected Generic Downloader
Yara detected Quasar RAT
Behaviour
Behavior Graph:
behaviorgraph top1 dnsIp2 2 Behavior Graph ID: 1508493 Sample: doc_Zapytanie - Oferta KH 0... Startdate: 10/09/2024 Architecture: WINDOWS Score: 100 42 twart.myfirewall.org 2->42 44 ipwho.is 2->44 46 bg.microsoft.map.fastly.net 2->46 54 Multi AV Scanner detection for domain / URL 2->54 56 Suricata IDS alerts for network traffic 2->56 58 Found malware configuration 2->58 60 10 other signatures 2->60 11 doc_Zapytanie - Oferta KH 09281.com.exe 3 2->11         started        15 workbook.exe 2 2->15         started        signatures3 process4 file5 40 doc_Zapytanie - Of...H 09281.com.exe.log, ASCII 11->40 dropped 66 Injects a PE file into a foreign processes 11->66 17 doc_Zapytanie - Oferta KH 09281.com.exe 4 11->17         started        21 workbook.exe 2 15->21         started        signatures6 process7 file8 38 C:\Users\user\AppData\...\workbook.exe, PE32 17->38 dropped 52 Hides that the sample has been downloaded from the Internet (zone.identifier) 17->52 23 workbook.exe 3 17->23         started        26 schtasks.exe 1 17->26         started        signatures9 process10 signatures11 62 Multi AV Scanner detection for dropped file 23->62 64 Injects a PE file into a foreign processes 23->64 28 workbook.exe 15 2 23->28         started        32 conhost.exe 26->32         started        process12 dnsIp13 48 twart.myfirewall.org 213.159.74.80, 49709, 9792 CTINET-ASCTINETAutonomousSystemRU Russian Federation 28->48 50 ipwho.is 195.201.57.90, 443, 49711 HETZNER-ASDE Germany 28->50 68 Hides that the sample has been downloaded from the Internet (zone.identifier) 28->68 70 Installs a global keyboard hook 28->70 34 schtasks.exe 1 28->34         started        signatures14 process15 process16 36 conhost.exe 34->36         started       
Result
Malware family:
Score:
  10/10
Tags:
family:quasar botnet:long leg discovery spyware trojan
Behaviour
Scheduled Task/Job: Scheduled Task
Suspicious behavior: EnumeratesProcesses
Suspicious use of AdjustPrivilegeToken
Suspicious use of SetWindowsHookEx
Suspicious use of WriteProcessMemory
System Location Discovery: System Language Discovery
Suspicious use of SetThreadContext
Executes dropped EXE
Loads dropped DLL
Quasar RAT
Quasar payload
Malware Config
C2 Extraction:
twart.myfirewall.org:9792
Unpacked files
SH256 hash:
977c171b803f331530312ef8545d3da7b904df52ab91eb429fe2ae528b65073b
MD5 hash:
150090ab2f3211a3509baf8858aaff25
SHA1 hash:
d54e54dc2710f5ff6178d427a6896194ce587df0
Detections:
SUSP_OBF_NET_ConfuserEx_Name_Pattern_Jan24 SUSP_OBF_NET_Reactor_Indicators_Jan24
SH256 hash:
c59a72e874640d2d2c5669edc14fdeb82a72cbacde61679907d2926b8ed79d08
MD5 hash:
b37fc99b846edbde0d0f36bee1760849
SHA1 hash:
0016396b048dcbda5b87742c32678f706db6362c
SH256 hash:
f9fe40ca4d842619322a11c4013a2210132d4c7afa0c4ae88be17f13ee6d1b16
MD5 hash:
d5def75143e3302847f9e6f64a1cad4e
SHA1 hash:
8c914dd231daff31092bf5de3db22eb9c07c622d
Malware family:
QuasarRAT
Verdict:
Malicious
Please note that we are no longer able to provide a coverage score for Virus Total.

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_DLL_CHARACTERISTICSMissing dll Security Characteristics (HIGH_ENTROPY_VA)high

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