MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 c0bd1ebdf30196efe9f0f562dcccc143ece619994ca14170e88f87ad402cdffa. 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



Formbook


Vendor detections: 13


Intelligence 13 IOCs YARA 6 File information Comments

SHA256 hash: c0bd1ebdf30196efe9f0f562dcccc143ece619994ca14170e88f87ad402cdffa
SHA3-384 hash: 2a1958a2cecbf0f1cf390b13d1d926af9ecd2132fe8cc3d1cb12633c831d83a8d93310c740c86c6cc01141231d9e2a55
SHA1 hash: b406d51135ab578fe04b5517592475cc02e76bf8
MD5 hash: 418bb67d2eae4f8cda88c35302d287c2
humanhash: golf-burger-green-alpha
File name:RuntimeBroker.exe
Download: download sample
Signature Formbook
File size:68'096 bytes
First seen:2023-05-20 15:24:19 UTC
Last seen:Never
File type:Executable exe
MIME type:application/x-dosexec
imphash f34d5f2d4577ed6d9ceec516c1f5a744 (48'744 x AgentTesla, 19'609 x Formbook, 12'242 x SnakeKeylogger)
ssdeep 1536:EoYOTCkFne0mr5CUXNF9/C4JFGb1ygl+PMabczZ6FLcO77sXka:EoYO2kC5CUXzs4J0b1yA+Pj+ROHsUa
Threatray 54 similar samples on MalwareBazaar
TLSH T181637D0877F58526E1FF2BB428B22366D675B7135913E71F24CA01AA1727E8DCB403E6
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 JaffaCakes118
Tags:FormBook

Intelligence


File Origin
# of uploads :
1
# of downloads :
87
Origin country :
GB GB
Vendor Threat Intelligence
Malware family:
n/a
ID:
1
File name:
RuntimeBroker.exe
Verdict:
Malicious activity
Analysis date:
2023-05-20 15:38:31 UTC
Tags:
evasion

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

Behaviour
Сreating synchronization primitives
Using the Windows Management Instrumentation requests
DNS request
Sending an HTTP GET request
Searching for synchronization primitives
Launching the default Windows debugger (dwwin.exe)
Searching for the window
Verdict:
Suspicious
Threat level:
  5/10
Confidence:
100%
Tags:
anti-vm fingerprint lolbin lolbin packed schtasks.exe
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:
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
Antivirus / Scanner detection for submitted sample
C2 URLs / IPs found in malware configuration
Contains functionality to capture screen (.Net source)
Contains functionality to check if a debugger is running (CheckRemoteDebuggerPresent)
Found malware configuration
Machine Learning detection for sample
Malicious sample detected (through community Yara rule)
May check the online IP address of the machine
Multi AV Scanner detection for submitted file
Tries to detect sandboxes and other dynamic analysis tools (process name or module or function)
Yara detected Generic Downloader
Yara detected XWorm
Behaviour
Behavior Graph:
Threat name:
ByteCode-MSIL.Trojan.AsyncRAT
Status:
Malicious
First seen:
2023-05-20 03:15:01 UTC
File Type:
PE (.Net Exe)
Extracted files:
1
AV detection:
25 of 35 (71.43%)
Threat level:
  5/5
Result
Malware family:
Score:
  10/10
Tags:
family:xworm persistence rat trojan
Behaviour
Creates scheduled task(s)
Delays execution with timeout.exe
Suspicious behavior: EnumeratesProcesses
Suspicious use of AdjustPrivilegeToken
Suspicious use of SetWindowsHookEx
Suspicious use of WriteProcessMemory
Uses Task Scheduler COM API
Enumerates physical storage devices
Adds Run key to start application
Looks up external IP address via web service
Checks computer location settings
Deletes itself
Drops startup file
Xworm
Malware Config
C2 Extraction:
con22.duckdns.org:58554
Unpacked files
SH256 hash:
c0bd1ebdf30196efe9f0f562dcccc143ece619994ca14170e88f87ad402cdffa
MD5 hash:
418bb67d2eae4f8cda88c35302d287c2
SHA1 hash:
b406d51135ab578fe04b5517592475cc02e76bf8
Detections:
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:Disable_Defender
Author:iam-py-test
Description:Detect files disabling or modifying Windows Defender, Windows Firewall, or Microsoft Smartscreen
Rule name:INDICATOR_SUSPICIOUS_EXE_NoneWindowsUA
Author:ditekSHen
Description:Detects Windows executables referencing non-Windows User-Agents
Rule name:MALWARE_Win_AsyncRAT
Author:ditekSHen
Description:Detects AsyncRAT
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

File information


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

Comments