MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 12bee16f9692cb9a6d3713543cf998a4f953d0341f4e9c661748faef525d91e6. 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 20 File information Comments

SHA256 hash: 12bee16f9692cb9a6d3713543cf998a4f953d0341f4e9c661748faef525d91e6
SHA3-384 hash: c4198848b98ce23bff60f844fb42afb917d69f19a90d8d04595cdb9c37494b336908c4629e69a6589d41d8bd23d06b5f
SHA1 hash: dc477dfc0e090e8d7bd31fb808f59060dd2cf360
MD5 hash: 194de251c043183099b2d6f7f5d1e09f
humanhash: lemon-two-uncle-delta
File name:194de251c043183099b2d6f7f5d1e09f.exe
Download: download sample
Signature AsyncRAT
File size:47'136 bytes
First seen:2024-05-19 00:00:32 UTC
Last seen:Never
File type:Executable exe
MIME type:application/x-dosexec
imphash f34d5f2d4577ed6d9ceec516c1f5a744 (48'832 x AgentTesla, 19'770 x Formbook, 12'296 x SnakeKeylogger)
ssdeep 768:fqZKAqubXIsg3uNkOicvHk3eHlWMPbPgF0qgkx5XKbukYI6OCm2tYcFmVc6KD:f/1uNXvZH0ub4FrgQwv6OrKmVclD
Threatray 133 similar samples on MalwareBazaar
TLSH T1DB231B003BE98136E1BE5FB8ACF5514287B6E6632603D65E3CC841D61B13BC7CA526F6
TrID 60.4% (.EXE) Generic CIL Executable (.NET, Mono, etc.) (73123/4/13)
10.8% (.SCR) Windows screen saver (13097/50/3)
8.7% (.EXE) Win64 Executable (generic) (10523/12/4)
5.4% (.DLL) Win32 Dynamic Link Library (generic) (6578/25/2)
4.1% (.EXE) Win16 NE executable (generic) (5038/12/1)
Reporter abuse_ch
Tags:AsyncRAT exe RAT


Avatar
abuse_ch
AsyncRAT C2:
172.111.216.4:8808

Intelligence


File Origin
# of uploads :
1
# of downloads :
414
Origin country :
NL NL
Vendor Threat Intelligence
Malware family:
asyncrat
ID:
1
File name:
12bee16f9692cb9a6d3713543cf998a4f953d0341f4e9c661748faef525d91e6.exe
Verdict:
Malicious activity
Analysis date:
2024-05-19 00:03:31 UTC
Tags:
asyncrat rat remote

Note:
ANY.RUN is an interactive sandbox that analyzes all user actions rather than an uploaded sample
Verdict:
Malicious
Score:
99.9%
Tags:
Banker Encryption Execution Generic Network Stealth Asyncrat Dexter
Result
Verdict:
Malware
Maliciousness:

Behaviour
Сreating synchronization primitives
Launching a process
Creating a process with a hidden window
Creating a file in the %AppData% directory
Creating a file in the %temp% directory
Running batch commands
Creating a file
Creating a process from a recently created file
Using the Windows Management Instrumentation requests
DNS request
Connection attempt
Sending a custom TCP request
Unauthorized injection to a recently created process
Enabling autorun by creating a file
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:
AsyncRAT
Detection:
malicious
Classification:
troj.evad
Score:
100 / 100
Signature
Antivirus / Scanner detection for submitted sample
Antivirus detection for dropped file
Found malware configuration
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 submitted file
Snort IDS alert for network traffic
Tries to detect sandboxes and other dynamic analysis tools (process name or module or function)
Uses schtasks.exe or at.exe to add and modify task schedules
Yara detected AsyncRAT
Yara detected Generic Downloader
Behaviour
Behavior Graph:
behaviorgraph top1 dnsIp2 2 Behavior Graph ID: 1443915 Sample: IWdSeLsrcx.exe Startdate: 19/05/2024 Architecture: WINDOWS Score: 100 30 dgorijan20785.hopto.org 2->30 36 Snort IDS alert for network traffic 2->36 38 Multi AV Scanner detection for domain / URL 2->38 40 Found malware configuration 2->40 42 7 other signatures 2->42 8 IWdSeLsrcx.exe 7 2->8         started        signatures3 process4 file5 26 C:\Users\user\AppData\Roaming\audiodrvs.exe, PE32 8->26 dropped 44 Uses schtasks.exe or at.exe to add and modify task schedules 8->44 12 cmd.exe 1 8->12         started        14 schtasks.exe 1 8->14         started        signatures6 process7 process8 16 audiodrvs.exe 1 2 12->16         started        20 conhost.exe 12->20         started        22 timeout.exe 1 12->22         started        24 conhost.exe 14->24         started        dnsIp9 28 dgorijan20785.hopto.org 172.111.216.4, 49711, 6606 M247GB United States 16->28 32 Antivirus detection for dropped file 16->32 34 Machine Learning detection for dropped file 16->34 signatures10
Threat name:
ByteCode-MSIL.Trojan.AsyncRATMarte
Status:
Malicious
First seen:
2024-05-16 19:54:00 UTC
File Type:
PE (.Net Exe)
Extracted files:
2
AV detection:
24 of 24 (100.00%)
Threat level:
  5/5
Result
Malware family:
asyncrat
Score:
  10/10
Tags:
family:asyncrat rat
Behaviour
Creates scheduled task(s)
Delays execution with timeout.exe
Suspicious behavior: EnumeratesProcesses
Suspicious use of AdjustPrivilegeToken
Suspicious use of WriteProcessMemory
Uses Task Scheduler COM API
Enumerates physical storage devices
Checks computer location settings
Executes dropped EXE
AsyncRat
Malware Config
C2 Extraction:
dgorijan20785.hopto.org:6606
dgorijan20785.hopto.org:7707
dgorijan20785.hopto.org:8808
Unpacked files
SH256 hash:
12bee16f9692cb9a6d3713543cf998a4f953d0341f4e9c661748faef525d91e6
MD5 hash:
194de251c043183099b2d6f7f5d1e09f
SHA1 hash:
dc477dfc0e090e8d7bd31fb808f59060dd2cf360
Detections:
win_asyncrat_w0 INDICATOR_SUSPICIOUS_EXE_ASEP_REG_Reverse win_asyncrat_j1 asyncrat
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:AsyncRat
Author:kevoreilly, JPCERT/CC Incident Response Group
Description:AsyncRat Payload
Rule name:asyncrat
Author:JPCERT/CC Incident Response Group
Description:detect AsyncRat in memory
Reference:internal research
Rule name:DebuggerCheck__RemoteAPI
Reference:https://github.com/naxonez/yaraRules/blob/master/AntiDebugging.yara
Rule name:INDICATOR_SUSPICIOUS_EXE_ASEP_REG_Reverse
Author:ditekSHen
Description:Detects file containing reversed ASEP Autorun registry keys
Rule name:malware_asyncrat
Author:JPCERT/CC Incident Response Group
Description:detect AsyncRat in memory
Reference:internal research
Rule name:malware_asyncrat
Description:detect AsyncRat in memory
Reference:https://github.com/NYAN-x-CAT/AsyncRAT-C-Sharp
Rule name:MAL_AsnycRAT
Author:SECUINFRA Falcon Team
Description:Detects AsnycRAT based on it's config decryption routine
Rule name:MAL_AsyncRAT_Config_Decryption
Author:SECUINFRA Falcon Team
Description:Detects AsnycRAT based on it's config decryption routine
Rule name:msil_suspicious_use_of_strreverse
Author:dr4k0nia
Description:Detects mixed use of Microsoft.CSharp and VisualBasic to use StrReverse
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:Njrat
Author:botherder https://github.com/botherder
Description:Njrat
Rule name:pe_imphash
Rule name:Skystars_Malware_Imphash
Author:Skystars LightDefender
Description:imphash
Rule name:SUSP_DOTNET_PE_List_AV
Author:SECUINFRA Falcon Team
Description:Detecs .NET Binary that lists installed AVs
Rule name:SUSP_Reverse_Run_Key
Author:SECUINFRA Falcon Team
Description:Detects a Reversed Run Key
Rule name:win_asyncrat_j1
Author:Johannes Bader @viql
Description:detects AsyncRAT
Rule name:win_asyncrat_unobfuscated
Author:Matthew @ Embee_Research
Description:Detects strings present in unobfuscated AsyncRat Samples. Rule may also pick up on other Asyncrat-derived malware (Dcrat/venom etc)
Rule name:win_asyncrat_w0
Author:JPCERT/CC Incident Response Group
Description:detect AsyncRat in memory
Reference:internal research

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 (HIGH_ENTROPY_VA)high

Comments