MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 16a8b0ec8a49078760b6b849ee1175dbc7256cbc12fe43ad87e626e50d01dde4. 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: 10


Intelligence 10 IOCs YARA 11 File information Comments

SHA256 hash: 16a8b0ec8a49078760b6b849ee1175dbc7256cbc12fe43ad87e626e50d01dde4
SHA3-384 hash: 3f2d67b84d304d2ad9aec1ec7b031d83dd0ee4f3bf25e2d1719e675dafd61159a922e406041251aae2f26bf7ac0709b8
SHA1 hash: b7a7951d644a05d080dff8542b2b7e4214601312
MD5 hash: c7fbdceea53bd6a3498d4222621cdeb4
humanhash: october-lamp-december-nebraska
File name:4.exe
Download: download sample
Signature QuasarRAT
File size:613'376 bytes
First seen:2021-03-13 12:17:55 UTC
Last seen:2021-03-13 13:39:44 UTC
File type:Executable exe
MIME type:application/x-dosexec
imphash f34d5f2d4577ed6d9ceec516c1f5a744 (48'666 x AgentTesla, 19'479 x Formbook, 12'209 x SnakeKeylogger)
ssdeep 12288:SAPIE69+q55hR+fKEHpeIXxDo4M9IAkKuuOI8abu70F/42:S7lf5l+fnHpeIXxDJMCAklzUug142
Threatray 41 similar samples on MalwareBazaar
TLSH AED40210A6AA9732D9B577F4625BEABC0BF43D56D433D38C1DC0BCDB39A5B064850A23
Reporter r3dbU7z
Tags:exe QuasarRAT

Intelligence


File Origin
# of uploads :
2
# of downloads :
275
Origin country :
n/a
Vendor Threat Intelligence
Malware family:
n/a
ID:
1
File name:
4.exe
Verdict:
Malicious activity
Analysis date:
2021-03-13 12:19:18 UTC
Tags:
trojan stealer grandsteal evasion rat quasar

Note:
ANY.RUN is an interactive sandbox that analyzes all user actions rather than an uploaded sample
Result
Verdict:
Malware
Maliciousness:

Behaviour
Sending a custom TCP request
Creating a window
Sending a UDP request
Unauthorized injection to a recently created process
Creating a file
Sending an HTTP GET request
Creating a file in the %temp% directory
Using the Windows Management Instrumentation requests
DNS request
Reading critical registry keys
Creating a process with a hidden window
Searching for the window
Stealing user critical data
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:
Grandsteal
Detection:
malicious
Classification:
troj.spyw.evad
Score:
100 / 100
Signature
Found many strings related to Crypto-Wallets (likely being stolen)
Injects a PE file into a foreign processes
May check the online IP address of the machine
Multi AV Scanner detection for submitted file
Queries sensitive BIOS Information (via WMI, Win32_Bios & Win32_BaseBoard, often done to detect virtual machines)
Queries sensitive disk information (via WMI, Win32_DiskDrive, often done to detect virtual machines)
Queries sensitive network adapter information (via WMI, Win32_NetworkAdapter, often done to detect virtual machines)
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)
Uses known network protocols on non-standard ports
Yara detected AntiVM_3
Yara detected Grandsteal
Behaviour
Behavior Graph:
Threat name:
ByteCode-MSIL.Trojan.Sudloader
Status:
Malicious
First seen:
2021-03-13 12:18:06 UTC
AV detection:
18 of 28 (64.29%)
Threat level:
  5/5
Result
Malware family:
n/a
Score:
  7/10
Tags:
discovery spyware stealer
Behaviour
Suspicious behavior: EnumeratesProcesses
Suspicious use of AdjustPrivilegeToken
Suspicious use of WriteProcessMemory
Suspicious use of SetThreadContext
Checks installed software on the system
Looks up external IP address via web service
Reads user/profile data of web browsers
Unpacked files
SH256 hash:
7946a3e071c764c89263bd4ced5323a43f66b2d9166189a525f66c89a76e34d6
MD5 hash:
71f785c67bba1119a3b42c0fe099d4b6
SHA1 hash:
a52799dae431828b1e1830b84cebfc0572f4d42f
SH256 hash:
1510861928b533e1529c1ffe7c6d57d9e5e928830d0afb28fd0fa730ff83fbdc
MD5 hash:
8f85df46a482b5b068ae7667bf1a33d6
SHA1 hash:
a210d369311aa4d709dc962c634174738576907e
SH256 hash:
f568505e20f76187cb566ebe132a5af855b8c5c83c1f33497696798c81d90f50
MD5 hash:
7ec98c577459d808a10f6c161f75957a
SHA1 hash:
21436cec2a1cadbfd8a26be3bcf8e0e0f9b60b63
Detections:
win_grandsteal_auto
SH256 hash:
16a8b0ec8a49078760b6b849ee1175dbc7256cbc12fe43ad87e626e50d01dde4
MD5 hash:
c7fbdceea53bd6a3498d4222621cdeb4
SHA1 hash:
b7a7951d644a05d080dff8542b2b7e4214601312
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:Agenttesla_type2
Author:JPCERT/CC Incident Response Group
Description:detect Agenttesla in memory
Reference:internal research
Rule name:Choice_Del_method_bin_mem
Author:James_inthe_box
Description:cmd ping IP nul del
Rule name:Cryptocoin_bin_mem
Author:James_inthe_box
Description:Steam in files like avemaria
Rule name:INDICATOR_SUSPICIOUS_EXE_References_Confidential_Data_Store
Author:ditekSHen
Description:Detects executables referencing many confidential data stores found in browsers, mail clients, cryptocurreny wallets, etc. Observed in information stealers
Rule name:INDICATOR_SUSPICIOUS_EXE_References_CryptoWallets
Author:ditekSHen
Description:Detects executables referencing many cryptocurrency mining wallets or apps. Observed in information stealers
Rule name:INDICATOR_SUSPICIOUS_Stomped_PECompilation_Timestamp_InTheFuture
Author:ditekSHen
Description:Detect executables with stomped PE compilation timestamp that is greater than local current time
Rule name:IPPort_combo_mem
Author:James_inthe_box
Description:IP and port combo
Rule name:Ping_Del_method_bin_mem
Author:James_inthe_box
Description:cmd ping IP nul del
Rule name:Select_from_enumeration
Author:James_inthe_box
Description:IP and port combo
Rule name:Telegram_stealer_bin_mem
Author:James_inthe_box
Description:Telegram in files like avemaria
Rule name:win_grandsteal_auto
Author:Felix Bilstein - yara-signator at cocacoding dot com
Description:autogenerated rule brought to you by yara-signator

File information


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

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