MalwareBazaar Database
You are currently viewing the MalwareBazaar entry for SHA256 40ba4a68575cda8b4da56ef2efae3f3c217bf7b78d68c29086e86d324d3ebffa. 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: 17
| SHA256 hash: | 40ba4a68575cda8b4da56ef2efae3f3c217bf7b78d68c29086e86d324d3ebffa |
|---|---|
| SHA3-384 hash: | 1785672b3ef3505fc141d3fe886d385585275e7a34aa19ec7dcf8445c4f1ab9c52d0e8dd410d5d10f7656bc8167c15bb |
| SHA1 hash: | eedcf0f081c78adfcefe3e9208bc83b252f1b4aa |
| MD5 hash: | 78f7efed48c531657b84cd66911c7eef |
| humanhash: | mango-early-pasta-april |
| File name: | 78f7efed48c531657b84cd66911c7eef |
| Download: | download sample |
| Signature | QuasarRAT |
| File size: | 619'520 bytes |
| First seen: | 2024-04-14 07:27:10 UTC |
| Last seen: | 2024-04-14 08:29:12 UTC |
| File type: |  exe |
| MIME type: | application/x-dosexec |
| imphash | f34d5f2d4577ed6d9ceec516c1f5a744 (48'744 x AgentTesla, 19'608 x Formbook, 12'242 x SnakeKeylogger) |
| ssdeep | 12288:JvqsfIozrJqppjn1rmq12WaD+1Fri1xbcR:h9vrMjn1r5aCjg9cR |
| Threatray | 319 similar samples on MalwareBazaar |
| TLSH | T14FD45A5586068482F6D31772482D5AB044DA3FBCA4793101FC92FB5598FBDBBC0A2B7E |
| 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) |
| File icon (PE): |  |
| dhash icon | 16f4f1b336c4e029 (1 x QuasarRAT) |
| Reporter |  zbetcheckin |
| Tags: | 32 exe QuasarRAT |
Intelligence
File Origin
# of uploads :
2
# of downloads :
353
Origin country :
FRVendor Threat Intelligence
Malware family:
quasar
ID:
1
File name:
40ba4a68575cda8b4da56ef2efae3f3c217bf7b78d68c29086e86d324d3ebffa.exe
Verdict:
Malicious activity
Analysis date:
2024-04-14 07:27:50 UTC
Tags:
evasion rat quasar remote stormkitty
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
Creating a file in the %temp% directory
Сreating synchronization primitives
Creating a process from a recently created file
Creating a file
Using the Windows Management Instrumentation requests
DNS request
Connection attempt
Sending an HTTP GET request
Creating a file in the %AppData% subdirectories
Launching a process
Setting a keyboard event handler
Sending a custom TCP request
Reading critical registry keys
Running batch commands
Launching the process to change network settings
Searching for synchronization primitives
Unauthorized injection to a recently created process
Enabling autorun with the standard Software\Microsoft\Windows\CurrentVersion\Run registry branch
Stealing user critical data
Enabling autorun by creating a file
Verdict:
Malicious
Threat level:
10/10
Confidence:
100%
Tags:
nanocore packed
Verdict:
Malicious
Labled as:
Trojan.Generic
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.
Malware family:
Stealerium Stealer
Verdict:
Malicious
Result
Threat name:
AsyncRAT, Blackshades, Quasar, StormKitt
Detection:
malicious
Classification:
rans.troj.spyw.evad
Score:
100 / 100
Signature
.NET source code contains potential unpacker
Antivirus detection for dropped file
Antivirus detection for URL or domain
C2 URLs / IPs found in malware configuration
Contains functionality to capture screen (.Net source)
Contains functionality to log keystrokes (.Net Source)
Deletes shadow drive data (may be related to ransomware)
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)
Installs a global keyboard hook
Machine Learning detection for dropped file
Machine Learning detection for sample
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
Queries sensitive Plug and Play Device Information (via WMI, Win32_PnPEntity, often done to detect virtual machines)
Queries sensitive video device information (via WMI, Win32_VideoController, often done to detect virtual machines)
Sigma detected: Capture Wi-Fi password
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 browser information (history, passwords, etc)
Tries to harvest and steal WLAN passwords
Uses netsh to modify the Windows network and firewall settings
Uses schtasks.exe or at.exe to add and modify task schedules
Uses the Telegram API (likely for C&C communication)
Yara detected AsyncRAT
Yara detected Blackshades RAT
Yara detected Generic Downloader
Yara detected Quasar RAT
Yara detected RansomwareGeneric
Yara detected StormKitty Stealer
Yara detected Telegram RAT
Yara detected Telegram Recon
Yara detected WorldWind Stealer
Behaviour
Behavior Graph:
Score:
100%
Verdict:
Malware
File Type:
PE
Threat name:
ByteCode-MSIL.Backdoor.AsyncRAT
Status:
Malicious
First seen:
2024-04-10 20:22:52 UTC
File Type:
PE (.Net Exe)
Extracted files:
6
AV detection:
21 of 24 (87.50%)
Threat level:
5/5
Detection(s):
Suspicious file
Verdict:
malicious
Similar samples:
+ 309 additional samples on MalwareBazaar
Result
Malware family:
stormkitty
Score:
10/10
Tags:
family:asyncrat family:quasar family:stormkitty botnet:default rat spyware stealer trojan
Behaviour
Checks processor information in registry
Creates scheduled task(s)
Modifies system certificate store
Suspicious behavior: EnumeratesProcesses
Suspicious use of AdjustPrivilegeToken
Suspicious use of SetWindowsHookEx
Suspicious use of WriteProcessMemory
Uses Task Scheduler COM API
Enumerates physical storage devices
Drops desktop.ini file(s)
Looks up external IP address via web service
Looks up geolocation information via web service
Checks computer location settings
Executes dropped EXE
Reads user/profile data of web browsers
Async RAT payload
AsyncRat
Quasar RAT
StormKitty
StormKitty payload
Malware Config
C2 Extraction:
127.0.0.1:6606
127.0.0.1:7707
127.0.0.1:8808
127.0.0.1:7707
127.0.0.1:8808
Unpacked files
SH256 hash:
d7aa8af80cea9de8d9800baf65fe78251e4621df74fafdada24c87ea5226704c
MD5 hash:
86065e0ba99822dbf546c5dab6bb67ad
SHA1 hash:
0a06e21353cb5c43f45fca49e19028a88063f928
Detections:
Quasar_RAT_2
Vermin_Keylogger_Jan18_1
Quasar_RAT_1
xRAT_1
win_quasarrat_j1
SH256 hash:
4ff2fde65efb563f5e895f398ed45ef76ae9284a31ffbe5f15494979fce2915a
MD5 hash:
03c26f9adbebd81f75300a22979d475e
SHA1 hash:
8d10f68a2ef94e2cd9fbb015bf7885a71d9709bd
Detections:
WorldWindStealer
win_asyncrat_w0
INDICATOR_SUSPICIOUS_EXE_WirelessNetReccon
INDICATOR_SUSPICIOUS_EXE_TelegramChatBot
SUSP_NET_Msil_Suspicious_Use_StrReverse
INDICATOR_SUSPICIOUS_EXE_Discord_Regex
INDICATOR_SUSPICIOUS_EXE_ASEP_REG_Reverse
cn_utf8_windows_terminal
INDICATOR_SUSPICIOUS_EXE_References_VPN
MALWARE_Win_WorldWind
INDICATOR_SUSPICIOUS_EXE_RawPaste_URL
INDICATOR_SUSPICIOUS_EXE_RawGitHub_URL
MALWARE_Win_Multi_Family_InfoStealer
MALWARE_Win_StormKitty
INDICATOR_SUSPICIOUS_EXE_CC_Regex
INDICATOR_SUSPICIOUS_EXE_VaultSchemaGUID
asyncrat
INDICATOR_SUSPICIOUS_EXE_SandboxHookingDLL
INDICATOR_SUSPICIOUS_EXE_References_Confidential_Data_Store
SH256 hash:
1b1bd40cb888ad62de1159c1ffbf00e25385ea44a3275d4b062692cde9200951
MD5 hash:
bab911b977f652767b210317cda9cb93
SHA1 hash:
4b926f9542f8a1f0c985fb71a640b328e2c8f212
SH256 hash:
dcb51777d90bae3e8f983bbdc038737a623fba71571f80094c181594b5d1320a
MD5 hash:
7d22c6c9d4f8937720802e3c1653fb3b
SHA1 hash:
b59791edc350ffcc01ccf50efed7e91ac901d90a
SH256 hash:
40ba4a68575cda8b4da56ef2efae3f3c217bf7b78d68c29086e86d324d3ebffa
MD5 hash:
78f7efed48c531657b84cd66911c7eef
SHA1 hash:
eedcf0f081c78adfcefe3e9208bc83b252f1b4aa
Malware family:
AsyncRAT
Verdict:
Malicious
Please note that we are no longer able to provide a coverage score for Virus Total.
Threat name:
iSpy Keylogger
Score:
1.00
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: | NET |
|---|---|
| Author: | malware-lu |
| Rule name: | NETexecutableMicrosoft |
|---|---|
| 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.
Web download
Delivery method
Distributed via web download
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
| ID | Title | Severity |
|---|---|---|
| CHECK_AUTHENTICODE | Missing Authenticode | high |
| CHECK_DLL_CHARACTERISTICS | Missing dll Security Characteristics (HIGH_ENTROPY_VA) | high |
Comments
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