MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 eba6536340eb123e35c2b5157f13ed0048bab344c64cc15a120368bdc5af1f9d. 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 File information Comments

SHA256 hash: eba6536340eb123e35c2b5157f13ed0048bab344c64cc15a120368bdc5af1f9d
SHA3-384 hash: c651e5a69714e5bd3b19c6995509908471c959247510a50a9845f4c027e324591d2e5584159f586900b549e3f6001d64
SHA1 hash: ae51ca4788a54a11da278bfb87be634b2d07853a
MD5 hash: 4517fce959aae976f030a37fcdf16270
humanhash: wyoming-summer-berlin-connecticut
File name:SpecSpoofer.exe
Download: download sample
Signature Formbook
File size:131'072 bytes
First seen:2023-05-20 15:29:51 UTC
Last seen:Never
File type:Executable exe
MIME type:application/x-dosexec
ssdeep 3072:3Akc+dlgNjZR05sLoTYZiUBBCHtOZzg1VTCSqr5ai1t:Fc+jQ05gKXqBCHszgHUFa
Threatray 54 similar samples on MalwareBazaar
TLSH T1B2D302351FFE5DE4D4216236AD8783708270AF815806D36D46E8F9EB4B6B7CB2A405EC
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 JaffaCakes118
Tags:FormBook

Intelligence


File Origin
# of uploads :
1
# of downloads :
86
Origin country :
GB GB
Vendor Threat Intelligence
Malware family:
n/a
ID:
1
File name:
SpecSpoofer.exe
Verdict:
Malicious activity
Analysis date:
2023-05-20 15:38:30 UTC
Tags:
evasion xworm

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

Behaviour
Creating a file in the system32 directory
Enabling the 'hidden' option for recently created files
Сreating synchronization primitives
Creating a file
Creating a process from a recently created file
Launching a process
Creating a process with a hidden window
Using the Windows Management Instrumentation requests
DNS request
Sending an HTTP GET request
Searching for synchronization primitives
Launching the default Windows debugger (dwwin.exe)
Sending a custom TCP request
Searching for the window
Unauthorized injection to a recently created process
Unauthorized injection to a system process
Verdict:
Suspicious
Threat level:
  5/10
Confidence:
100%
Tags:
bladabindi
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
.NET source code references suspicious native API functions
Antivirus / Scanner detection for submitted sample
Antivirus detection for dropped file
C2 URLs / IPs found in malware configuration
Contains functionality to capture screen (.Net source)
Contains functionality to check if a debugger is running (CheckRemoteDebuggerPresent)
Deletes itself after installation
Drops executables to the windows directory (C:\Windows) and starts them
Found malware configuration
Machine Learning detection for dropped file
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 dropped file
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:
behaviorgraph top1 signatures2 2 Behavior Graph ID: 871071 Sample: SpecSpoofer.exe Startdate: 20/05/2023 Architecture: WINDOWS Score: 100 31 Found malware configuration 2->31 33 Malicious sample detected (through community Yara rule) 2->33 35 Antivirus detection for dropped file 2->35 37 15 other signatures 2->37 7 SpecSpoofer.exe 4 2->7         started        process3 file4 23 C:\Windows\System32\Runtime Broker.exe, PE32 7->23 dropped 25 C:\Users\user\Desktop\SpecSpoof.exe, PE32 7->25 dropped 27 C:\Users\user\AppData\...\SpecSpoofer.exe.log, CSV 7->27 dropped 39 Drops executables to the windows directory (C:\Windows) and starts them 7->39 11 powershell.exe 15 7->11         started        14 SpecSpoof.exe 1 7->14         started        16 Runtime Broker.exe 14 2 7->16         started        signatures5 process6 dnsIp7 41 Deletes itself after installation 11->41 19 conhost.exe 11->19         started        43 Multi AV Scanner detection for dropped file 14->43 21 conhost.exe 14->21         started        29 ip-api.com 208.95.112.1, 49706, 80 TUT-ASUS United States 16->29 signatures8 process9
Threat name:
ByteCode-MSIL.Trojan.ZulsyCrypt
Status:
Malicious
First seen:
2023-05-20 03:20:05 UTC
File Type:
PE+ (.Net Exe)
Extracted files:
3
AV detection:
19 of 37 (51.35%)
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
Modifies registry class
Suspicious behavior: EnumeratesProcesses
Suspicious use of AdjustPrivilegeToken
Suspicious use of SetWindowsHookEx
Suspicious use of WriteProcessMemory
Uses Task Scheduler COM API
Enumerates physical storage devices
Drops file in System32 directory
Adds Run key to start application
Looks up external IP address via web service
Checks computer location settings
Deletes itself
Drops startup file
Executes dropped EXE
Xworm
Malware Config
C2 Extraction:
con22.duckdns.org:58554
Unpacked files
SH256 hash:
eba6536340eb123e35c2b5157f13ed0048bab344c64cc15a120368bdc5af1f9d
MD5 hash:
4517fce959aae976f030a37fcdf16270
SHA1 hash:
ae51ca4788a54a11da278bfb87be634b2d07853a
Please note that we are no longer able to provide a coverage score for Virus Total.

File information


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

Comments