MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 658e0f3e03622f2ef3a44be0e3c19d116f9e7445dacc1b6264ea75ed2af25294. 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: 12


Intelligence 12 IOCs YARA 2 File information Comments

SHA256 hash: 658e0f3e03622f2ef3a44be0e3c19d116f9e7445dacc1b6264ea75ed2af25294
SHA3-384 hash: 3c1df455779fe416943e8a7559cbba1a91b792fd3c9c2f380315d9bdc821a6951809a9e12cd0dd0f95c0692e057e4618
SHA1 hash: 9f763c7a5efcc24b3297466522b9b15ef186cbc6
MD5 hash: f247c6c08093dca80671c2579152ee28
humanhash: robert-gee-pip-arizona
File name:PO 347282-1.exe
Download: download sample
Signature AsyncRAT
File size:41'304 bytes
First seen:2023-02-01 08:26:28 UTC
Last seen:2023-02-01 10:34:36 UTC
File type:Executable exe
MIME type:application/x-dosexec
ssdeep 768:zOW5n4S3nN/SnxKWBihIkNW+k2RntQyiRI:zBt3nN8xKWBiVW+D9tQyi6
Threatray 5'077 similar samples on MalwareBazaar
TLSH T119033A9877EC9323EFEF577C58A465824BB1A937A600E7082DCCB8E915D23C75A10717
TrID 44.4% (.EXE) Win64 Executable (generic) (10523/12/4)
21.3% (.EXE) Win16 NE executable (generic) (5038/12/1)
8.7% (.ICL) Windows Icons Library (generic) (2059/9)
8.5% (.EXE) OS/2 Executable (generic) (2029/13)
8.4% (.EXE) Generic Win/DOS Executable (2002/3)
Reporter 0xToxin
Tags:AsyncRAT exe signed

Code Signing Certificate

Organisation:Adobe
Issuer:Adobe
Algorithm:sha256WithRSAEncryption
Valid from:2023-01-30T18:09:53Z
Valid to:2024-01-30T18:09:53Z
Serial number: 72aeefc9c51603db9f2840fd98dc0fc4
Thumbprint Algorithm:SHA256
Thumbprint: 470c16ce65f09d0aa7c1ee6c1c864e4c565506a6b4e0bdc5f803b37a6c796fca
Source:This information was brought to you by ReversingLabs A1000 Malware Analysis Platform

Intelligence


File Origin
# of uploads :
2
# of downloads :
198
Origin country :
IL IL
Vendor Threat Intelligence
Malware family:
asyncrat
ID:
1
File name:
PO 347282-1.exe
Verdict:
Malicious activity
Analysis date:
2023-02-01 08:29:36 UTC
Tags:
asyncrat

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

Behaviour
Searching for the window
Sending a custom TCP request
Сreating synchronization primitives
Running batch commands
Creating a process with a hidden window
Creating a file in the %AppData% directory
Creating a file in the %temp% directory
Creating a file
Launching a process
Creating a process from a recently created file
Creating a service
Loading a system driver
Changing a file
Using the Windows Management Instrumentation requests
Enabling autorun with the standard Software\Microsoft\Windows\CurrentVersion\Run registry branch
Unauthorized injection to a recently created process
Enabling autorun for a service
Blocking the User Account Control
Forced shutdown of a system process
Enabling autorun by creating a file
Unauthorized injection to a system process
Verdict:
No Threat
Threat level:
  2/10
Confidence:
100%
Tags:
overlay packed
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.spyw.expl.evad
Score:
100 / 100
Signature
.NET source code contains potential unpacker
.NET source code references suspicious native API functions
Adds a directory exclusion to Windows Defender
Changes security center settings (notifications, updates, antivirus, firewall)
Disables UAC (registry)
Drops PE files with benign system names
Injects a PE file into a foreign processes
Malicious sample detected (through community Yara rule)
Multi AV Scanner detection for dropped file
Multi AV Scanner detection for submitted file
Query firmware table information (likely to detect VMs)
Sample is not signed and drops a device driver
Sigma detected: Schedule system process
Snort IDS alert for network traffic
System process connects to network (likely due to code injection or exploit)
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 schtasks.exe or at.exe to add and modify task schedules
Writes to foreign memory regions
Yara detected AntiVM3
Yara detected AsyncRAT
Yara detected Costura Assembly Loader
Yara detected Generic Downloader
Yara detected UAC Bypass using CMSTP
Behaviour
Behavior Graph:
behaviorgraph top1 signatures2 2 Behavior Graph ID: 795755 Sample: PO 347282-1.exe Startdate: 01/02/2023 Architecture: WINDOWS Score: 100 78 Snort IDS alert for network traffic 2->78 80 Malicious sample detected (through community Yara rule) 2->80 82 Multi AV Scanner detection for submitted file 2->82 84 10 other signatures 2->84 9 PO 347282-1.exe 1 7 2->9         started        13 svchost.exe 2->13         started        16 svchost.exe 3 2->16         started        18 9 other processes 2->18 process3 dnsIp4 74 185.17.0.79, 49713, 49717, 49719 SUPERSERVERSDATACENTERRU Russian Federation 9->74 62 C:\Users\user\AppData\Roaming\svchost.exe, PE32+ 9->62 dropped 64 C:\Users\user\AppData\...\PO 347282-1.exe.log, CSV 9->64 dropped 20 cmd.exe 1 9->20         started        22 cmd.exe 1 9->22         started        66 C:\Windows\Temp\wykxrxeg.inf, Windows 13->66 dropped 96 Writes to foreign memory regions 13->96 98 Adds a directory exclusion to Windows Defender 13->98 100 Injects a PE file into a foreign processes 13->100 25 powershell.exe 13->25         started        27 cmstp.exe 13->27         started        29 EdmGen.exe 13->29         started        31 3 other processes 13->31 102 Multi AV Scanner detection for dropped file 16->102 68 C:\Windows\Temp\skdo4gpt.inf, Windows 18->68 dropped 104 System process connects to network (likely due to code injection or exploit) 18->104 106 Query firmware table information (likely to detect VMs) 18->106 108 Changes security center settings (notifications, updates, antivirus, firewall) 18->108 file5 signatures6 process7 signatures8 33 svchost.exe 5 5 20->33         started        38 conhost.exe 20->38         started        40 timeout.exe 1 20->40         started        94 Uses schtasks.exe or at.exe to add and modify task schedules 22->94 42 conhost.exe 22->42         started        44 schtasks.exe 1 22->44         started        46 conhost.exe 25->46         started        process9 dnsIp10 72 192.168.2.1 unknown unknown 33->72 60 C:\Users\user\AppData\Local\Temp\?????.sys, PE32+ 33->60 dropped 86 Writes to foreign memory regions 33->86 88 Adds a directory exclusion to Windows Defender 33->88 90 Disables UAC (registry) 33->90 92 2 other signatures 33->92 48 AddInProcess32.exe 33->48         started        52 powershell.exe 33->52         started        54 ServiceModelReg.exe 33->54         started        56 13 other processes 33->56 file11 signatures12 process13 dnsIp14 70 156.96.154.30, 49726, 49732, 6668 VDI-NETWORKUS United States 48->70 76 Tries to harvest and steal browser information (history, passwords, etc) 48->76 58 conhost.exe 52->58         started        signatures15 process16
Threat name:
ByteCode-MSIL.Trojan.Leonem
Status:
Malicious
First seen:
2023-02-01 06:06:17 UTC
File Type:
PE+ (.Net Exe)
Extracted files:
3
AV detection:
18 of 26 (69.23%)
Threat level:
  5/5
Result
Malware family:
asyncrat
Score:
  10/10
Tags:
family:asyncrat botnet:ali group evasion persistence rat trojan
Behaviour
Creates scheduled task(s)
Delays execution with timeout.exe
Suspicious behavior: EnumeratesProcesses
Suspicious behavior: LoadsDriver
Suspicious use of AdjustPrivilegeToken
Suspicious use of WriteProcessMemory
System policy modification
Enumerates physical storage devices
Suspicious use of SetThreadContext
Adds Run key to start application
Checks whether UAC is enabled
Checks computer location settings
Loads dropped DLL
Windows security modification
Executes dropped EXE
Sets service image path in registry
Async RAT payload
AsyncRat
UAC bypass
Windows security bypass
Malware Config
C2 Extraction:
156.96.154.30:7778
156.96.154.30:6668
Unpacked files
SH256 hash:
658e0f3e03622f2ef3a44be0e3c19d116f9e7445dacc1b6264ea75ed2af25294
MD5 hash:
f247c6c08093dca80671c2579152ee28
SHA1 hash:
9f763c7a5efcc24b3297466522b9b15ef186cbc6
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:cobalt_strike_tmp01925d3f
Author:The DFIR Report
Description:files - file ~tmp01925d3f.exe
Reference:https://thedfirreport.com
Rule name:pdb_YARAify
Author:@wowabiy314
Description:PDB

File information


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

Comments