MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 42409ca4edfb20f9a4b449b89e00f76fa75b40a50ac597f12fc4a39d9b1a69d7. 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: 15


Intelligence 15 IOCs YARA 4 File information Comments

SHA256 hash: 42409ca4edfb20f9a4b449b89e00f76fa75b40a50ac597f12fc4a39d9b1a69d7
SHA3-384 hash: 60e41296c53da666265f7be4a3b1f809eb50898f4849039a8e531b3cd95df5bdf49a383ab1002985d5b7d1c74d03cb84
SHA1 hash: 40b92309de360219692fafa41b8ba8410aa77e57
MD5 hash: 5f982e7e8ebdb94fae2b8307a9473c5a
humanhash: william-uniform-pizza-vegan
File name:5f982e7e8ebdb94fae2b8307a9473c5a.exe
Download: download sample
Signature Formbook
File size:1'083'904 bytes
First seen:2023-10-22 07:22:43 UTC
Last seen:Never
File type:Executable exe
MIME type:application/x-dosexec
imphash f34d5f2d4577ed6d9ceec516c1f5a744 (48'655 x AgentTesla, 19'464 x Formbook, 12'205 x SnakeKeylogger)
ssdeep 24576:4yjv9QDZnQ/Z4eQEX/rxgqTxQHRHqCFjz:TQVoZ4eQEPrxgcYRHq
Threatray 523 similar samples on MalwareBazaar
TLSH T10235AF3D1DF88227B978D6A6CFA0C432B161D6EFF5629D29D4D746818702A03B4C71BD
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 abuse_ch
Tags:exe FormBook

Intelligence


File Origin
# of uploads :
1
# of downloads :
301
Origin country :
NL NL
Vendor Threat Intelligence
Malware family:
n/a
ID:
1
File name:
5f982e7e8ebdb94fae2b8307a9473c5a.exe
Verdict:
Malicious activity
Analysis date:
2023-10-22 07:33:14 UTC
Tags:
evasion snake keylogger

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

Behaviour
Creating a window
Unauthorized injection to a recently created process
Restart of the analyzed sample
Creating a file
Сreating synchronization primitives
DNS request
Sending an HTTP GET request
Launching the default Windows debugger (dwwin.exe)
Verdict:
Likely Malicious
Threat level:
  7.5/10
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:
AgentTesla, Snake Keylogger
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 contains very large strings
Found malware configuration
Machine Learning detection for sample
Malicious sample detected (through community Yara rule)
Multi AV Scanner detection for submitted file
Tries to harvest and steal browser information (history, passwords, etc)
Tries to steal Mail credentials (via file / registry access)
Yara detected AgentTesla
Yara detected AntiVM3
Yara detected Beds Obfuscator
Yara detected Generic Downloader
Yara detected Snake Keylogger
Yara detected Telegram RAT
Behaviour
Behavior Graph:
Threat name:
ByteCode-MSIL.Trojan.Negasteal
Status:
Malicious
First seen:
2023-10-19 03:59:23 UTC
File Type:
PE (.Net Exe)
Extracted files:
15
AV detection:
19 of 23 (82.61%)
Threat level:
  5/5
Result
Malware family:
n/a
Score:
  6/10
Tags:
n/a
Behaviour
Suspicious behavior: EnumeratesProcesses
Suspicious use of AdjustPrivilegeToken
Suspicious use of WriteProcessMemory
Program crash
Suspicious use of SetThreadContext
Looks up external IP address via web service
Unpacked files
SH256 hash:
0f5094513618a70b5337408bd8b87a386a3db533c44d54942ed33a9a900db2e7
MD5 hash:
94fb91b837e77e13e0883295af866239
SHA1 hash:
f8dbb896b316ef5f07828413d6aab2234aa114ca
SH256 hash:
de59c3246c72163cfc5d3b5a8aec72ec6a585893a6c7d80fbff35238aabe6027
MD5 hash:
c3b2bcacf04baacd6daae4cf4896872c
SHA1 hash:
b7815d4d77ea49e493898d9ce06061e2c9c83feb
SH256 hash:
ed278807068709bcc74ef7d01ce46682b64d8ec9c8466dc8aaeb92ed75495aaa
MD5 hash:
51e85d063788811778e570139e28ac5a
SHA1 hash:
b3a9f24d4d25c91058e6c1f91e07219423b428fa
SH256 hash:
38d9efc5ed848d5b5bd6b7f696141f9d3f754a799b5f8f91e8bb76ced850d772
MD5 hash:
2ae78f296855c9697f58274fb34229a2
SHA1 hash:
7be6f2a7e1bff4937161751a3b7d9f44ed079afd
SH256 hash:
ba0d3a5fc4105b1268ffb3d7548778fd9225efba2c43a4b15ecefd8417a873bf
MD5 hash:
ecb93f5fa7f361ed67d682ab59f2895b
SHA1 hash:
4874c312be8f1c7148d4f1c5a97e78683ba94c2b
Detections:
win_404keylogger_g1
SH256 hash:
42409ca4edfb20f9a4b449b89e00f76fa75b40a50ac597f12fc4a39d9b1a69d7
MD5 hash:
5f982e7e8ebdb94fae2b8307a9473c5a
SHA1 hash:
40b92309de360219692fafa41b8ba8410aa77e57
Malware family:
AgentTesla.v3
Verdict:
Malicious
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_DIFF_Common_Strings_01
Author:schmidtsz
Description:Identify partial Agent Tesla strings
Rule name:NET
Author:malware-lu
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.

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