MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 0fbd0deb8891b8836c9987f79c0dcf7383ace21dcd7ee8ffcfdf609311af7808. 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: 11


Intelligence 11 IOCs 1 YARA 6 File information Comments

SHA256 hash: 0fbd0deb8891b8836c9987f79c0dcf7383ace21dcd7ee8ffcfdf609311af7808
SHA3-384 hash: 53781cdb2cc5ecbccbe0fd88d82451eaee2fa45b49372dd5b8b5ff5f5bc9e3233b3c6bf17f76bb68debb2f0eecd8eda5
SHA1 hash: 80086dd4bd562df870ed9556248a0a46177e63d7
MD5 hash: 759eb01f8687aa4ab519ce0b8ada22d7
humanhash: lamp-oscar-lactose-crazy
File name:759eb01f8687aa4ab519ce0b8ada22d7.exe
Download: download sample
Signature AsyncRAT
File size:573'952 bytes
First seen:2022-07-06 10:55:06 UTC
Last seen:2022-07-06 12:01:23 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:Q2mz0Ep2MCJLSTBdnljFBgAqL/zIH/s59+/p+YcRjj:Q/z0PMQ2TBdl7gA0zIH4YYj
Threatray 1'839 similar samples on MalwareBazaar
TLSH T116C4D0A5F6AA9CD4E516B2F9A9359D2212177D69A4344A0A307F31194DB3383CCB3F0F
TrID 72.5% (.EXE) Generic CIL Executable (.NET, Mono, etc.) (73123/4/13)
10.4% (.EXE) Win64 Executable (generic) (10523/12/4)
6.5% (.DLL) Win32 Dynamic Link Library (generic) (6578/25/2)
4.4% (.EXE) Win32 Executable (generic) (4505/5/1)
2.0% (.EXE) OS/2 Executable (generic) (2029/13)
File icon (PE):PE icon
dhash icon 45d4c4dcf4c47211 (9 x AsyncRAT, 2 x AgentTesla, 2 x NanoCore)
Reporter abuse_ch
Tags:AsyncRAT exe RAT


Avatar
abuse_ch
AsyncRAT C2:
37.0.14.204:2019

Indicators Of Compromise (IOCs)


Below is a list of indicators of compromise (IOCs) associated with this malware samples.

IOCThreatFox Reference
37.0.14.204:2019 https://threatfox.abuse.ch/ioc/798403/

Intelligence


File Origin
# of uploads :
2
# of downloads :
301
Origin country :
n/a
Vendor Threat Intelligence
Result
Verdict:
Malware
Maliciousness:

Behaviour
Сreating synchronization primitives
Launching a process
Creating a process with a hidden window
Using the Windows Management Instrumentation requests
Creating a file in the %AppData% subdirectories
Unauthorized injection to a recently created process
Creating a file
Sending a custom TCP request
Running batch commands
Enabling autorun by creating a file
Verdict:
Suspicious
Threat level:
  5/10
Confidence:
100%
Tags:
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.evad
Score:
100 / 100
Signature
.NET source code contains potential unpacker
.NET source code contains very large array initializations
Antivirus / Scanner detection for submitted sample
Antivirus detection for dropped file
Connects to many ports of the same IP (likely port scanning)
Creates an undocumented autostart registry key
Encrypted powershell cmdline option found
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 dropped file
Machine Learning detection for sample
Malicious sample detected (through community Yara rule)
Queries sensitive BIOS Information (via WMI, Win32_Bios & Win32_BaseBoard, often done to detect virtual machines)
Snort IDS alert for network traffic
Tries to detect sandboxes and other dynamic analysis tools (process name or module or function)
Yara detected AsyncRAT
Yara detected Costura Assembly Loader
Yara detected Generic Downloader
Behaviour
Behavior Graph:
behaviorgraph top1 signatures2 2 Behavior Graph ID: 658000 Sample: KVjthk8hIJ.exe Startdate: 06/07/2022 Architecture: WINDOWS Score: 100 35 Snort IDS alert for network traffic 2->35 37 Malicious sample detected (through community Yara rule) 2->37 39 Antivirus detection for dropped file 2->39 41 11 other signatures 2->41 8 KVjthk8hIJ.exe 5 2->8         started        process3 file4 27 C:\Users\user\AppData\Roaming\...\word.exe, PE32 8->27 dropped 29 C:\Users\user\...\word.exe:Zone.Identifier, ASCII 8->29 dropped 31 C:\Users\user\AppData\...\KVjthk8hIJ.exe.log, ASCII 8->31 dropped 43 Creates an undocumented autostart registry key 8->43 45 Queries sensitive BIOS Information (via WMI, Win32_Bios & Win32_BaseBoard, often done to detect virtual machines) 8->45 47 Encrypted powershell cmdline option found 8->47 49 Injects a PE file into a foreign processes 8->49 12 KVjthk8hIJ.exe 1 4 8->12         started        15 powershell.exe 15 8->15         started        17 KVjthk8hIJ.exe 8->17         started        signatures5 process6 dnsIp7 33 37.0.14.204, 2019, 49746, 49759 WKD-ASIE Netherlands 12->33 19 cmd.exe 1 12->19         started        21 conhost.exe 15->21         started        process8 process9 23 conhost.exe 19->23         started        25 timeout.exe 1 19->25         started       
Threat name:
ByteCode-MSIL.Trojan.Vigorf
Status:
Malicious
First seen:
2022-07-06 10:56:08 UTC
File Type:
PE (.Net Exe)
Extracted files:
12
AV detection:
23 of 26 (88.46%)
Threat level:
  5/5
Result
Malware family:
asyncrat
Score:
  10/10
Tags:
family:asyncrat rat suricata
Behaviour
Delays execution with timeout.exe
Suspicious behavior: EnumeratesProcesses
Suspicious use of AdjustPrivilegeToken
Suspicious use of WriteProcessMemory
Enumerates physical storage devices
Suspicious use of SetThreadContext
Checks computer location settings
Deletes itself
Async RAT payload
AsyncRat
suricata: ET MALWARE Generic AsyncRAT Style SSL Cert
suricata: ET MALWARE Observed Malicious SSL Cert (AsyncRAT Server)
Unpacked files
SH256 hash:
9f01d9f2ed07e630ec078efa5d760762c3c8ad3b06e9e8a9062a37d63d57b026
MD5 hash:
9fbb8cec55b2115c00c0ba386c37ce62
SHA1 hash:
e2378a1c22c35e40fd1c3e19066de4e33b50f24a
SH256 hash:
2a72be3debd8b273144b1a96f4151c148f473a86479bee9f76c7f95706819aed
MD5 hash:
444750bdc1fc0750888ef5c2e3135399
SHA1 hash:
52496468aa7f1e7a1f131bf837e51722975f0966
SH256 hash:
0fbd0deb8891b8836c9987f79c0dcf7383ace21dcd7ee8ffcfdf609311af7808
MD5 hash:
759eb01f8687aa4ab519ce0b8ada22d7
SHA1 hash:
80086dd4bd562df870ed9556248a0a46177e63d7
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:malware_asyncrat
Author:JPCERT/CC Incident Response Group
Description:detect AsyncRat in memory
Reference:internal research
Rule name:MALWARE_Win_zgRAT
Author:ditekSHen
Description:Detects zgRAT
Rule name:pe_imphash
Rule name:Skystars_Malware_Imphash
Author:Skystars LightDefender
Description:imphash
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.

Web download

AsyncRAT

Executable exe 0fbd0deb8891b8836c9987f79c0dcf7383ace21dcd7ee8ffcfdf609311af7808

(this sample)

  
Delivery method
Distributed via web download

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