MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 f8f459b89f367222f10938629a6c5fae6a8066b00de9f123ce53fa586314a0e8. 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: 8


Intelligence 8 IOCs YARA 3 File information Comments 1

SHA256 hash: f8f459b89f367222f10938629a6c5fae6a8066b00de9f123ce53fa586314a0e8
SHA3-384 hash: 0548b38e46b95636d0c4699f6c2bf4a3e029ff5b2c6c7662403586467180aba4a09e67969bebb3d6991d08675b7d26c0
SHA1 hash: 1325d839d48409e8eebe580082f9b210265a64fd
MD5 hash: e67bc6fca32bd5f5e0fa6bb98df682b3
humanhash: berlin-orange-artist-ack
File name:e67bc6fca32bd5f5e0fa6bb98df682b3
Download: download sample
Signature Formbook
File size:385'048 bytes
First seen:2022-06-27 09:00:59 UTC
Last seen:2022-06-27 10:04:09 UTC
File type:Executable exe
MIME type:application/x-dosexec
imphash f34d5f2d4577ed6d9ceec516c1f5a744 (48'742 x AgentTesla, 19'607 x Formbook, 12'242 x SnakeKeylogger)
ssdeep 6144:pKqFOjcyQxYkv4fVWWw54mY4z0I/t0QcLEY30y42ihqdy:kqFUlQxYkYPwzY43/DYhiha
Threatray 9'117 similar samples on MalwareBazaar
TLSH T19C84AE57B78C5B4DCB8889B1B1F3813012A1DFA72632CA4479C9FEBD0A713ED69486C5
TrID 69.1% (.EXE) Generic CIL Executable (.NET, Mono, etc.) (73123/4/13)
9.9% (.EXE) Win64 Executable (generic) (10523/12/4)
6.2% (.DLL) Win32 Dynamic Link Library (generic) (6578/25/2)
4.7% (.EXE) Win16 NE executable (generic) (5038/12/1)
4.2% (.EXE) Win32 Executable (generic) (4505/5/1)
File icon (PE):PE icon
dhash icon 6ccccc9cc4d8e8f4 (41 x Formbook, 34 x AgentTesla, 3 x AveMariaRAT)
Reporter zbetcheckin
Tags:32 exe FormBook

Intelligence


File Origin
# of uploads :
2
# of downloads :
215
Origin country :
n/a
Vendor Threat Intelligence
Malware family:
n/a
ID:
1
File name:
vbc.exe
Verdict:
Suspicious activity
Analysis date:
2022-06-27 08:38:41 UTC
Tags:
n/a

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

Behaviour
Searching for synchronization primitives
Launching the default Windows debugger (dwwin.exe)
Searching for the window
Verdict:
Suspicious
Threat level:
  5/10
Confidence:
100%
Tags:
obfuscated overlay packed
Result
Verdict:
UNKNOWN
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:
Unknown
Detection:
malicious
Classification:
evad
Score:
88 / 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
Icon mismatch, binary includes an icon from a different legit application in order to fool users
Machine Learning detection for sample
Malicious sample detected (through community Yara rule)
Multi AV Scanner detection for submitted file
Behaviour
Behavior Graph:
Threat name:
Win32.Backdoor.Convagent
Status:
Malicious
First seen:
2022-06-27 09:01:09 UTC
File Type:
PE (.Net Exe)
Extracted files:
12
AV detection:
16 of 26 (61.54%)
Threat level:
  5/5
Result
Malware family:
n/a
Score:
  3/10
Tags:
n/a
Behaviour
Suspicious use of WriteProcessMemory
Program crash
Unpacked files
SH256 hash:
f8f459b89f367222f10938629a6c5fae6a8066b00de9f123ce53fa586314a0e8
MD5 hash:
e67bc6fca32bd5f5e0fa6bb98df682b3
SHA1 hash:
1325d839d48409e8eebe580082f9b210265a64fd
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:MALWARE_Win_zgRAT
Author:ditekSHen
Description:Detects zgRAT
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.

Web download

Formbook

Executable exe f8f459b89f367222f10938629a6c5fae6a8066b00de9f123ce53fa586314a0e8

(this sample)

  
Delivery method
Distributed via web download

Comments



Avatar
zbet commented on 2022-06-27 09:01:02 UTC

url : hxxp://103.232.55.60/_msoffice10/vbc.exe