MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 96dea95151b45309d8bda1112f842802e852a15ac2173b0023b1ba35deae5ec1. 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: 17


Intelligence 17 IOCs YARA 16 File information Comments

SHA256 hash: 96dea95151b45309d8bda1112f842802e852a15ac2173b0023b1ba35deae5ec1
SHA3-384 hash: c78b0dd43ed5c82ec080970ba479069fa7f6e513dd5fb4ff73274ebfb83dc0afa70257709596fbde00e0c53871bda6dc
SHA1 hash: fe04a678f7d95ed31bd364e0a8a4831964f2b84f
MD5 hash: d5489da5aa14ed9d71d8338ec41a1bc1
humanhash: avocado-glucose-pip-west
File name:rDoc5633276235623657_xls.exe
Download: download sample
Signature AsyncRAT
File size:86'528 bytes
First seen:2024-09-26 11:24:40 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 1536:WGOLl+jxSwe51ZMXEw1PfEeRH0bndlu630VDx:WGOBCtE1ZpwJbSndTEVDx
TLSH T11783190A3AC5C705D4E4BAF981F7591207A2BDD22231C24A6DF83B694E737A3ECC165D
TrID 66.5% (.EXE) Generic CIL Executable (.NET, Mono, etc.) (73123/4/13)
9.5% (.EXE) Win64 Executable (generic) (10523/12/4)
5.9% (.DLL) Win32 Dynamic Link Library (generic) (6578/25/2)
4.5% (.EXE) Win16 NE executable (generic) (5038/12/1)
4.0% (.EXE) Win32 Executable (generic) (4504/4/1)
Magika pebin
File icon (PE):PE icon
dhash icon 174f4559191b1b13 (81 x AgentTesla, 68 x Formbook, 34 x SnakeKeylogger)
Reporter FXOLabs
Tags:AsyncRAT exe

Intelligence


File Origin
# of uploads :
1
# of downloads :
487
Origin country :
BR BR
Vendor Threat Intelligence
Malware family:
n/a
ID:
1
File name:
rDoc5633276235623657_xls.exe
Verdict:
Malicious activity
Analysis date:
2024-09-26 11:27:26 UTC
Tags:
discord xworm remote

Note:
ANY.RUN is an interactive sandbox that analyzes all user actions rather than an uploaded sample
Verdict:
Malicious
Score:
94.9%
Tags:
Generic Network Static Stealth Underscore Autorun
Result
Verdict:
Malware
Maliciousness:

Behaviour
Сreating synchronization primitives
DNS request
Connection attempt
Sending a custom TCP request
Launching a process
Creating a file
Creating a file in the %AppData% directory
Creating a window
Using the Windows Management Instrumentation requests
Creating a file in the %temp% directory
Reading critical registry keys
Unauthorized injection to a system process
Enabling autorun by creating a file
Verdict:
Suspicious
Threat level:
  5/10
Confidence:
100%
Tags:
lolbin masquerade net_reactor obfuscated packed regasm
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:
StormKitty, XWorm
Detection:
malicious
Classification:
troj.spyw.evad
Score:
100 / 100
Signature
.NET source code contains method to dynamically call methods (often used by packers)
.NET source code contains potential unpacker
.NET source code references suspicious native API functions
AI detected suspicious sample
Allocates memory in foreign processes
Antivirus / Scanner detection for submitted sample
C2 URLs / IPs found in malware configuration
Found malware configuration
Icon mismatch, binary includes an icon from a different legit application in order to fool users
Injects a PE file into a foreign processes
Machine Learning detection for sample
Malicious sample detected (through community Yara rule)
Protects its processes via BreakOnTermination flag
Queries sensitive video device information (via WMI, Win32_VideoController, often done to detect virtual machines)
Sample uses string decryption to hide its real strings
Suricata IDS alerts for network traffic
Tries to harvest and steal browser information (history, passwords, etc)
Writes to foreign memory regions
Yara detected BrowserPasswordDump
Yara detected Generic Downloader
Yara detected StormKitty Stealer
Yara detected XWorm
Behaviour
Behavior Graph:
Threat name:
Win32.Trojan.Znyonm
Status:
Malicious
First seen:
2024-09-26 12:05:22 UTC
AV detection:
21 of 24 (87.50%)
Threat level:
  5/5
Verdict:
malicious
Label(s):
Result
Malware family:
Score:
  10/10
Tags:
family:stormkitty family:xworm discovery rat spyware stealer trojan
Behaviour
Suspicious use of AdjustPrivilegeToken
Suspicious use of WriteProcessMemory
Browser Information Discovery
Enumerates physical storage devices
System Location Discovery: System Language Discovery
Suspicious use of SetThreadContext
Drops startup file
Loads dropped DLL
Reads user/profile data of web browsers
Detect Xworm Payload
StormKitty
StormKitty payload
Xworm
Malware Config
C2 Extraction:
178.215.236.218:16433
Verdict:
Suspicious
Tags:
n/a
YARA:
n/a
Unpacked files
SH256 hash:
96dea95151b45309d8bda1112f842802e852a15ac2173b0023b1ba35deae5ec1
MD5 hash:
d5489da5aa14ed9d71d8338ec41a1bc1
SHA1 hash:
fe04a678f7d95ed31bd364e0a8a4831964f2b84f
Detections:
PureCrypter_Stage1 SUSP_OBF_NET_Reactor_Indicators_Jan24 SUSP_PE_Discord_Attachment_Oct21_1
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
Author:Harish Kumar P
Description:Yara Rule to Detect AgentTesla
Rule name:BAZT_B5_NOCEXInvalidStream
Rule name:DotNet_Reactor
Author:@bartblaze
Description:Identifies .NET Reactor, which offers .NET code protection such as obfuscation, encryption and so on.
Rule name:INDICATOR_SUSPICIOUS_EXE_DiscordURL
Author:ditekSHen
Description:Detects executables Discord URL observed in first stage droppers
Rule name:MD5_Constants
Author:phoul (@phoul)
Description:Look for MD5 constants
Rule name:NET
Author:malware-lu
Rule name:NETexecutableMicrosoft
Author:malware-lu
Rule name:pe_imphash
Rule name:PureCrypter
Author:@bartblaze
Description:Identifies PureCrypter, .NET loader and obfuscator.
Reference:https://malpedia.caad.fkie.fraunhofer.de/details/win.purecrypter
Rule name:Skystars_Malware_Imphash
Author:Skystars LightDefender
Description:imphash
Rule name:SUSP_Discord_Attachments_URL
Author:SECUINFRA Falcon Team
Description:Detects a PE file that contains an Discord Attachments URL. This is often used by Malware to download further payloads
Rule name:SUSP_PE_Discord_Attachment_Oct21_1
Author:Florian Roth (Nextron Systems)
Description:Detects suspicious executable with reference to a Discord attachment (often used for malware hosting on a legitimate FQDN)
Reference:Internal Research
Rule name:ThreadControl__Context
Reference:https://github.com/naxonez/yaraRules/blob/master/AntiDebugging.yara

File information


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

Malspam

AsyncRAT

Executable exe 96dea95151b45309d8bda1112f842802e852a15ac2173b0023b1ba35deae5ec1

(this sample)

  
Delivery method
Distributed via e-mail attachment

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

Comments