MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 8c305a8516089a9e811fbc9cf560b0e36a2494debe59c5677376638c7155a452. 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: 12


Intelligence 12 IOCs YARA 2 File information Comments

SHA256 hash: 8c305a8516089a9e811fbc9cf560b0e36a2494debe59c5677376638c7155a452
SHA3-384 hash: ddd63bf02cafe7bd7bfbb2daf18b793804d4060f510c20849ea334a759946dd02fbbd0656caeb54c78615c3ca9f39e0e
SHA1 hash: 6a2aa20bff5d51aefd9a9493b365a453e9523600
MD5 hash: a7d10ebd4b24b1f3008f4c2318907863
humanhash: lima-leopard-failed-east
File name:Fattura_Payment 202360556.pif.exe
Download: download sample
Signature Formbook
File size:576'512 bytes
First seen:2023-08-03 13:27:04 UTC
Last seen:Never
File type:Executable exe
MIME type:application/x-dosexec
imphash f34d5f2d4577ed6d9ceec516c1f5a744 (48'657 x AgentTesla, 19'468 x Formbook, 12'206 x SnakeKeylogger)
ssdeep 6144:21+DsToi2+1WAa4WtXVAWlCVV9b+6Y8zrFmjSFrIsa76r:AWxtXS9VC4Zsia7I
Threatray 3 similar samples on MalwareBazaar
TLSH T1CFC47D11BFE4AB17E0AF63B28063496253F4E192E3D5FBCB59807AEA1C07305DD05697
TrID 63.0% (.EXE) Generic CIL Executable (.NET, Mono, etc.) (73123/4/13)
11.2% (.SCR) Windows screen saver (13097/50/3)
9.0% (.EXE) Win64 Executable (generic) (10523/12/4)
5.6% (.DLL) Win32 Dynamic Link Library (generic) (6578/25/2)
3.8% (.EXE) Win32 Executable (generic) (4505/5/1)
Reporter James_inthe_box
Tags:exe FormBook

Intelligence


File Origin
# of uploads :
1
# of downloads :
290
Origin country :
US US
Vendor Threat Intelligence
Malware family:
n/a
ID:
1
File name:
Fattura_Payment 202360556.pif.exe
Verdict:
Malicious activity
Analysis date:
2023-08-03 13:28:36 UTC
Tags:
n/a

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
Creating a window
Сreating synchronization primitives
Sending an HTTP GET request
Launching a process
Creating a file
Unauthorized injection to a system process
Verdict:
Malicious
Threat level:
  10/10
Confidence:
100%
Tags:
control lolbin masquerade packed replace
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:
FormBook
Detection:
malicious
Classification:
troj.evad
Score:
96 / 100
Signature
.NET source code contains potential unpacker
Downloads files with wrong headers with respect to MIME Content-Type
Initial sample is a PE file and has a suspicious name
Injects a PE file into a foreign processes
Malicious sample detected (through community Yara rule)
Maps a DLL or memory area into another process
Multi AV Scanner detection for submitted file
Tries to detect sandboxes and other dynamic analysis tools (process name or module or function)
Writes to foreign memory regions
Yara detected Costura Assembly Loader
Yara detected FormBook
Behaviour
Behavior Graph:
Threat name:
ByteCode-MSIL.Trojan.Vigorf
Status:
Malicious
First seen:
2023-08-03 09:45:54 UTC
File Type:
PE (.Net Exe)
Extracted files:
3
AV detection:
25 of 38 (65.79%)
Threat level:
  5/5
Result
Malware family:
n/a
Score:
  5/10
Tags:
n/a
Behaviour
Suspicious behavior: EnumeratesProcesses
Suspicious use of AdjustPrivilegeToken
Suspicious use of WriteProcessMemory
Suspicious use of SetThreadContext
Unpacked files
SH256 hash:
8c305a8516089a9e811fbc9cf560b0e36a2494debe59c5677376638c7155a452
MD5 hash:
a7d10ebd4b24b1f3008f4c2318907863
SHA1 hash:
6a2aa20bff5d51aefd9a9493b365a453e9523600
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:pe_imphash
Rule name:Skystars_Malware_Imphash
Author:Skystars LightDefender
Description:imphash

File information


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

  
Delivery method
Other

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