MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 2b07a75b74b701d95f6957416959df359f441e7455e933913208891f05c6c9e5. 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


AsyncRAT


Vendor detections: 18


Intelligence 18 IOCs YARA 41 File information Comments
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SHA256 hash: 2b07a75b74b701d95f6957416959df359f441e7455e933913208891f05c6c9e5
SHA3-384 hash: 35c41c7ec5db5c4ce1593fa764892740551a25b65a49828ba99e7631ee6cd37627f2c24cc5fe2e9988fd5dffaf84c20f
SHA1 hash: 1ea4a3836b473bc710f348fade6bb56848279649
MD5 hash: 671a477d299131351498b10922fa09d8
humanhash: snake-wyoming-pip-fifteen
File name:rwvg1.exe
Download: download sample
Signature AsyncRAT
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File size:35'328 bytes
First seen:2025-01-02 18:12:23 UTC
Last seen:Never
File type:Executable exe
MIME type:application/x-dosexec
imphash f34d5f2d4577ed6d9ceec516c1f5a744 (48'666 x AgentTesla, 19'479 x Formbook, 12'209 x SnakeKeylogger)
ssdeep 768:LqI7tV7a1UqeBVYbCU/SReKbLZu7RupMx0AzgL4Vo2TUVd:G837eULG2U0XA0AzC4SrVd
Threatray 17 similar samples on MalwareBazaar
TLSH T1BEF239242CFB901DF173EA725FDDF9FACAAAE265150E70BB108503074B47A85CE52939
TrID 71.1% (.EXE) Generic CIL Executable (.NET, Mono, etc.) (73123/4/13)
10.2% (.EXE) Win64 Executable (generic) (10522/11/4)
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 JAMESWT_WT
Tags:147-45-44-131 AsyncRAT booking exe Spam-ITA

Intelligence

File Origin
# of uploads :
1
# of downloads :
422
Origin country :
IT IT
Vendor Threat Intelligence
Malware family:
asyncrat
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ID:
1
File name:
malicious_script_1.ps1
Verdict:
Malicious activity
Analysis date:
2025-01-02 15:41:11 UTC
Tags:
loader lumma stealer stormkitty discordgrabber generic asyncrat ims-api
Link:
https://app.any.run/tasks/ae0d56ff-6fd1-4439-8883-0a0c009810b2

Note:
ANY.RUN is an interactive sandbox that analyzes all user actions rather than an uploaded sample
Detection(s):
SecuriteInfo.com.Win32.MalwareX-gen.13362.1959.UNOFFICIAL
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Verdict:
Malicious
Score:
96.5%
Link:
https://cyber-fortress.com/docs/result/index.php?id=6776d7321ada707798255de1
Tags:
virus micro sage
Result
Verdict:
Malware
Maliciousness:

Behaviour
Creating a file in the %temp% subdirectories
Launching a process
Creating a process with a hidden window
Creating a file
Сreating synchronization primitives
Sending an HTTP GET request to an infection source
Creating a window
Using the Windows Management Instrumentation requests
Connection attempt to an infection source
Setting a global event handler for the keyboard
Sending a TCP request to an infection source
Unauthorized injection to a system process
Verdict:
Suspicious
Threat level:
  5/10
Confidence:
100%
Link:
https://www.filescan.io/uploads/6776d7323d1131f9b91ce186/reports/530d7165-9e89-42c6-b5ed-745aafaf1fe3/overview
Verdict:
Malicious
Labled as:
Zusy.Generic
Link:
https://www.hybrid-analysis.com/sample/2b07a75b74b701d95f6957416959df359f441e7455e933913208891f05c6c9e5
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
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Verdict:
Malicious
Link:
https://analyze.intezer.com/analyses/357e771f-3645-4417-b558-cbd4f0c5b28b
Result
Threat name:
DcRat, KeyLogger, StormKitty, VenomRAT
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Detection:
malicious
Classification:
troj.spyw.expl.evad
Score:
100 / 100
Link:
https://www.joesandbox.com/analysis/1583434
Signature
.NET source code contains very large strings
.NET source code references suspicious native API functions
AI detected suspicious sample
Allocates memory in foreign processes
Antivirus / Scanner detection for submitted sample
Antivirus detection for dropped file
Antivirus detection for URL or domain
Compiles code for process injection (via .Net compiler)
Found many strings related to Crypto-Wallets (likely being stolen)
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 submitted file
Queries sensitive video device information (via WMI, Win32_VideoController, often done to detect virtual machines)
Sample uses string decryption to hide its real strings
Sigma detected: Dot net compiler compiles file from suspicious location
Suricata IDS alerts for network traffic
Tries to detect sandboxes and other dynamic analysis tools (process name or module or function)
Writes to foreign memory regions
Yara detected AntiVM3
Yara detected BrowserPasswordDump
Yara detected DcRat
Yara detected Generic Downloader
Yara detected Keylogger Generic
Yara detected Powershell download and execute
Yara detected StormKitty Stealer
Yara detected VenomRAT
Behaviour
Behavior Graph:
Download SVG
behaviorgraph top1 signatures2 2 Behavior Graph ID: 1583434 Sample: rwvg1.exe Startdate: 02/01/2025 Architecture: WINDOWS Score: 100 35 Suricata IDS alerts for network traffic 2->35 37 Malicious sample detected (through community Yara rule) 2->37 39 Antivirus detection for URL or domain 2->39 41 18 other signatures 2->41 7 rwvg1.exe 15 10 2->7         started        process3 dnsIp4 31 147.45.44.131, 49704, 80 FREE-NET-ASFREEnetEU Russian Federation 7->31 25 C:\Users\user\AppData\...\udnn4kvb.cmdline, Unicode 7->25 dropped 27 C:\Users\user\AppData\Local\...\udnn4kvb.0.cs, Unicode 7->27 dropped 29 C:\Users\user\AppData\Local\...\rwvg1.exe.log, CSV 7->29 dropped 43 Found many strings related to Crypto-Wallets (likely being stolen) 7->43 45 Tries to detect sandboxes and other dynamic analysis tools (process name or module or function) 7->45 47 Writes to foreign memory regions 7->47 49 3 other signatures 7->49 12 RegAsm.exe 1 3 7->12         started        16 csc.exe 3 7->16         started        file5 signatures6 process7 dnsIp8 33 157.20.182.177, 4449, 49705 FCNUniversityPublicCorporationOsakaJP unknown 12->33 51 Queries sensitive video device information (via WMI, Win32_VideoController, often done to detect virtual machines) 12->51 23 C:\Users\user\AppData\Local\...\udnn4kvb.dll, PE32 16->23 dropped 19 conhost.exe 16->19         started        21 cvtres.exe 1 16->21         started        file9 signatures10 process11
Score:
100%
Verdict:
Malware
File Type:
PE
Link:
https://malprob.io/report/2b07a75b74b701d95f6957416959df359f441e7455e933913208891f05c6c9e5
Detection:
n/a
Link:
https://mwdb.cert.pl/sample/2b07a75b74b701d95f6957416959df359f441e7455e933913208891f05c6c9e5/
Threat name:
ByteCode-MSIL.Spyware.AsyncRAT
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Status:
Malicious
First seen:
2025-01-02 18:05:39 UTC
File Type:
PE (.Net Exe)
Extracted files:
1
AV detection:
16 of 23 (69.57%)
Threat level:
  2/5
Detection(s):
Suspicious file
Link:
https://check.spamhaus.org/check/?searchterm=fmd2ow3uw4a5sx3jk5awswo7gwpuihtukxuthejsbcer6bogzhsq._file
Verdict:
malicious
Label(s):
stormkitty
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asyncrat
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Similar samples:
1c9f4869c446e6e1e3c562631b1a10210294a7dd1367b4a58450b1a949e873e9
AsyncRAT
5605af6e3cba4057057a8cc765f94d1112d1a147171e056b1bdfcc3b38a056f0
AsyncRAT
569775b523c853aa351d5832df2fdbb68fdaa8c05f9cc67289921f00a66c0157
AsyncRAT
5d8b55532cda3855a8211e70366648a22ef5193dd36931fa61e3393290c2ada9
AsyncRAT
5e8a676a5b37f85a09339873a139a73268662b1c0bfe94d764bbfffec60ea196
AsyncRAT
7e129f68ebb1e8730941dcf50344e256bd0e32f29cac0e641426b88a17e131c6
AsyncRAT
9c2838e120c7ed5b582bedc6177f14a52aa578adeea269d0f96fc71a95bd6e68
AsyncRAT
ad822394ecd393272d3d1ba77306e502ee90259f4c328dab80e9d6b5e4bd363f
AsyncRAT
error
AsyncRAT
+ 7 additional samples on MalwareBazaar
Result
Malware family:
stormkitty
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Score:
  10/10
Tags:
family:asyncrat family:stormkitty discovery rat stealer
Link:
https://tria.ge/reports/250102-wtqx2azqhx/
Behaviour
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
Checks installed software on the system
Downloads MZ/PE file
AsyncRat
Asyncrat family
StormKitty
StormKitty payload
Stormkitty family
Verdict:
Suspicious
Tags:
n/a
YARA:
n/a
Link:
https://app.threat.zone/submission/4deb52c1-1903-4bfd-8075-fc1b31e4c4f0
Unpacked files
SH256 hash:
a79461b961ea4f576f70904f693ae5f531c27fbbe1ea211f40d0356ea7d4ea6a
MD5 hash:
2a75d7bece10a5cad59ca13b41c1c066
SHA1 hash:
513f043ffd082d942a24e405af428688ea0cc369
Link:
https://www.unpac.me/results/1a06d195-4d4c-4bf6-bf05-fdd45cf4c8bb/
SH256 hash:
2b07a75b74b701d95f6957416959df359f441e7455e933913208891f05c6c9e5
MD5 hash:
671a477d299131351498b10922fa09d8
SHA1 hash:
1ea4a3836b473bc710f348fade6bb56848279649
Link:
https://www.unpac.me/results/1a06d195-4d4c-4bf6-bf05-fdd45cf4c8bb/
Malware family:
AsyncRAT
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Verdict:
Malicious
Link:
https://www.vmray.com/analyses/_mb/2b07a75b74b7/report/overview.html
Please note that we are no longer able to provide a coverage score for Virus Total.
Threat name:
Malicious File
Score:
1.00
Link:
https://yomi.yoroi.company/submissions/2b07a75b74b701d95f6957416959df359f441e7455e933913208891f05c6c9e5

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:DebuggerCheck__RemoteAPI
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Reference:https://github.com/naxonez/yaraRules/blob/master/AntiDebugging.yara
Rule name:Disable_Defender
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Author:iam-py-test
Description:Detect files disabling or modifying Windows Defender, Windows Firewall, or Microsoft Smartscreen
Rule name:grakate_stealer_nov_2021
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Rule name:INDICATOR_SUSPICIOUS_Binary_Embedded_Crypto_Wallet_Browser_Extension_IDs
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Author:ditekSHen
Description:Detect binaries embedding considerable number of cryptocurrency wallet browser extension IDs.
Rule name:INDICATOR_SUSPICIOUS_EXE_B64_Artifacts
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Author:ditekSHen
Description:Detects executables embedding bas64-encoded APIs, command lines, registry keys, etc.
Rule name:INDICATOR_SUSPICIOUS_EXE_CC_Regex
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Author:ditekSHen
Description:Detects executables referencing credit card regular expressions
Rule name:INDICATOR_SUSPICIOUS_EXE_DiscordURL
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Author:ditekSHen
Description:Detects executables Discord URL observed in first stage droppers
Rule name:INDICATOR_SUSPICIOUS_EXE_Discord_Regex
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Author:ditekSHen
Description:Detects executables referencing Discord tokens regular expressions
Rule name:INDICATOR_SUSPICIOUS_EXE_NoneWindowsUA
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Author:ditekSHen
Description:Detects Windows executables referencing non-Windows User-Agents
Rule name:INDICATOR_SUSPICIOUS_EXE_References_Confidential_Data_Store
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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_Messaging_Clients
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Author:ditekSHen
Description:Detects executables referencing many email and collaboration clients. Observed in information stealers
Rule name:INDICATOR_SUSPICIOUS_EXE_References_VPN
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Author:ditekSHen
Description:Detects executables referencing many VPN software clients. Observed in infosteslers
Rule name:INDICATOR_SUSPICIOUS_EXE_RegKeyComb_DisableWinDefender
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Author:ditekSHen
Description:Detects executables embedding registry key / value combination indicative of disabling Windows Defender features
Rule name:INDICATOR_SUSPICIOUS_EXE_VaultSchemaGUID
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Author:ditekSHen
Description:Detects executables referencing Windows vault credential objects. Observed in infostealers
Rule name:INDICATOR_SUSPICIOUS_EXE_WirelessNetReccon
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Author:ditekSHen
Description:Detects executables with interest in wireless interface using netsh
Rule name:INDICATOR_SUSPICIOUS_EXE_WMI_EnumerateVideoDevice
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Author:ditekSHen
Description:Detects executables attemping to enumerate video devices using WMI
Rule name:INDICATOR_SUSPICIOUS_References_SecTools
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Author:ditekSHen
Description:Detects executables referencing many IR and analysis tools
Rule name:Macos_Infostealer_Wallets_8e469ea0
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Author:Elastic Security
Rule name:MALWARE_Win_ArrowRAT
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Author:ditekSHen
Description:Detects ArrowRAT
Rule name:MALWARE_Win_AsyncRAT
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Author:ditekSHen
Description:Detects AsyncRAT
Rule name:MALWARE_Win_CyberStealer
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Author:ditekSHen
Description:Detects CyberStealer infostealer
Rule name:MALWARE_Win_DLAgent10
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Author:ditekSHen
Description:Detects known downloader agent
Rule name:MALWARE_Win_Multi_Family_InfoStealer
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Author:ditekSHen
Description:Detects Prynt, WorldWind, DarkEye, Stealerium and ToxicEye / TelegramRAT infostealers
Rule name:MALWARE_Win_StormKitty
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Author:ditekSHen
Description:Detects StormKitty infostealer
Rule name:MALWARE_Win_UnamedStealer
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Author:ditekSHen
Description:Detects unknown infostealer. Observed as 2nd stage and injects into .NET AppLaunch.exe
Rule name:MALWARE_Win_VenomRAT
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Author:ditekSHen
Description:Detects VenomRAT
Rule name:Multifamily_RAT_Detection
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Author:Lucas Acha (http://www.lukeacha.com)
Description:Generic Detection for multiple RAT families, PUPs, Packers and suspicious executables
Rule name:NET
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Author:malware-lu
Rule name:NETexecutableMicrosoft
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Author:malware-lu
Rule name:Njrat
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Author:botherder https://github.com/botherder
Description:Njrat
Rule name:pe_imphash
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Rule name:RansomPyShield_Antiransomware
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Author:XiAnzheng
Description:Check for Suspicious String and Import combination that Ransomware mostly abuse(can create FP)
Rule name:RANSOMWARE
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Author:ToroGuitar
Rule name:Skystars_Malware_Imphash
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Author:Skystars LightDefender
Description:imphash
Rule name:ThreadControl__Context
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Reference:https://github.com/naxonez/yaraRules/blob/master/AntiDebugging.yara
Rule name:venomrat
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Author:jeFF0Falltrades
Rule name:Windows_Generic_Threat_2bb6f41d
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Author:Elastic Security
Rule name:Windows_Generic_Threat_ce98c4bc
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Author:Elastic Security
Rule name:Windows_Trojan_DCRat_1aeea1ac
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Author:Elastic Security

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 (GUARD_CF)high

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