MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 7cda27d67f0a949f2dadc47257b74d8e484a88670ca5705b190a0bed346fe7ec. 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 19 File information Comments

SHA256 hash: 7cda27d67f0a949f2dadc47257b74d8e484a88670ca5705b190a0bed346fe7ec
SHA3-384 hash: a94efcb44d9fd17d309a54b4e767659b8278535527178492829ed0e9f7ab0c2db7dff194d84a522682cbb41a96d65892
SHA1 hash: 59b96a616dbc78b0b318ac56fba09259d203bfea
MD5 hash: ff95a13f992de30157418f6e51ffde4c
humanhash: cold-beryllium-kansas-orange
File name:FF95A13F992DE30157418F6E51FFDE4C.exe
Download: download sample
Signature QuasarRAT
File size:3'265'536 bytes
First seen:2023-11-17 21:50:12 UTC
Last seen:Never
File type:Executable exe
MIME type:application/x-dosexec
imphash f34d5f2d4577ed6d9ceec516c1f5a744 (48'661 x AgentTesla, 19'474 x Formbook, 12'208 x SnakeKeylogger)
ssdeep 49152:GvyI22SsaNYfdPBldt698dBcjHbW7yEA0Hk/TnEoGdn9qJTHHB72eh2NT:Gvf22SsaNYfdPBldt6+dBcjHbW7UE
Threatray 263 similar samples on MalwareBazaar
TLSH T1F1E55B1437F85F33E5BAE27395B0401667F0EC2AB3A3EB1B6191677E1C53B4058426AB
TrID 53.1% (.EXE) Generic CIL Executable (.NET, Mono, etc.) (73123/4/13)
12.0% (.EXE) Microsoft Visual C++ compiled executable (generic) (16529/12/5)
9.5% (.SCR) Windows screen saver (13097/50/3)
7.6% (.EXE) Win64 Executable (generic) (10523/12/4)
4.7% (.DLL) Win32 Dynamic Link Library (generic) (6578/25/2)
Reporter abuse_ch
Tags:exe QuasarRAT RAT


Avatar
abuse_ch
QuasarRAT C2:
101.43.141.31:4782

Intelligence


File Origin
# of uploads :
1
# of downloads :
362
Origin country :
NL NL
Vendor Threat Intelligence
Result
Verdict:
Malware
Maliciousness:

Behaviour
Creating a window
Сreating synchronization primitives
Setting a keyboard event handler
Sending a custom TCP request
DNS request
Using the Windows Management Instrumentation requests
Verdict:
Malicious
Threat level:
  10/10
Confidence:
100%
Tags:
anti-vm certreq control crypto expand explorer hook infostealer keylogger lolbin quasar quasarrat rat remote replace schtasks stealer 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.spyw.evad
Score:
100 / 100
Signature
Antivirus / Scanner detection for submitted sample
C2 URLs / IPs found in malware configuration
Found malware configuration
Hides that the sample has been downloaded from the Internet (zone.identifier)
Installs a global keyboard hook
Machine Learning detection for sample
Malicious sample detected (through community Yara rule)
Multi AV Scanner detection for submitted file
Snort IDS alert for network traffic
Yara detected Generic Downloader
Yara detected Quasar RAT
Behaviour
Behavior Graph:
Threat name:
ByteCode-MSIL.Trojan.Quasar
Status:
Malicious
First seen:
2023-11-13 13:16:00 UTC
File Type:
PE (.Net Exe)
Extracted files:
2
AV detection:
29 of 38 (76.32%)
Threat level:
  5/5
Result
Malware family:
Score:
  10/10
Tags:
family:quasar botnet:office04 spyware trojan
Behaviour
Suspicious use of AdjustPrivilegeToken
Suspicious use of FindShellTrayWindow
Suspicious use of SendNotifyMessage
Suspicious use of SetWindowsHookEx
Enumerates physical storage devices
Quasar RAT
Quasar payload
Malware Config
C2 Extraction:
101.43.141.31:4782
Unpacked files
SH256 hash:
7cda27d67f0a949f2dadc47257b74d8e484a88670ca5705b190a0bed346fe7ec
MD5 hash:
ff95a13f992de30157418f6e51ffde4c
SHA1 hash:
59b96a616dbc78b0b318ac56fba09259d203bfea
Detections:
QuasarRAT INDICATOR_SUSPICIOUS_Binary_References_Browsers MAL_QuasarRAT_May19_1 cn_utf8_windows_terminal MALWARE_Win_QuasarStealer INDICATOR_SUSPICIOUS_EXE_NoneWindowsUA win_quasar_rat_client INDICATOR_SUSPICIOUS_GENInfoStealer malware_windows_xrat_quasarrat
Malware family:
QuasarRAT
Verdict:
Malicious
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:BLOWFISH_Constants
Author:phoul (@phoul)
Description:Look for Blowfish constants
Rule name:INDICATOR_SUSPICIOUS_Binary_References_Browsers
Author:ditekSHen
Description:Detects binaries (Windows and macOS) referencing many web browsers. Observed in information stealers.
Rule name:INDICATOR_SUSPICIOUS_EXE_NoneWindowsUA
Author:ditekSHen
Description:Detects Windows executables referencing non-Windows User-Agents
Rule name:INDICATOR_SUSPICIOUS_GENInfoStealer
Author:ditekSHen
Description:Detects executables containing common artifcats observed in infostealers
Rule name:MALWARE_Win_QuasarStealer
Author:ditekshen
Description:Detects Quasar infostealer
Rule name:MAL_QuasarRAT_May19_1
Description:Detects QuasarRAT malware
Rule name:MAL_QuasarRAT_May19_1
Author:Florian Roth (Nextron Systems)
Description:Detects QuasarRAT malware
Reference:https://blog.ensilo.com/uncovering-new-activity-by-apt10
Rule name:MAL_QuasarRAT_May19_1_RID2E1E
Author:Florian Roth
Description:Detects QuasarRAT malware
Reference:https://blog.ensilo.com/uncovering-new-activity-by-apt10
Rule name:MD5_Constants
Author:phoul (@phoul)
Description:Look for MD5 constants
Rule name:Multifamily_RAT_Detection
Author:Lucas Acha (http://www.lukeacha.com)
Description:Generic Detection for multiple RAT families, PUPs, Packers and suspicious executables
Rule name:NET
Author:malware-lu
Rule name:NETexecutableMicrosoft
Author:malware-lu
Rule name:pe_imphash
Rule name:RC6_Constants
Author:chort (@chort0)
Description:Look for RC6 magic constants in binary
Reference:https://twitter.com/mikko/status/417620511397400576
Rule name:RIPEMD160_Constants
Author:phoul (@phoul)
Description:Look for RIPEMD-160 constants
Rule name:SHA1_Constants
Author:phoul (@phoul)
Description:Look for SHA1 constants
Rule name:SHA512_Constants
Author:phoul (@phoul)
Description:Look for SHA384/SHA512 constants
Rule name:Skystars_Malware_Imphash
Author:Skystars LightDefender
Description:imphash
Rule name:win_quasar_rat_client
Author:Matthew @ Embee_Research
Description:Detects strings present in Quasar Rat Samples.

File information


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

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