MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 7a2b3db6ca1b0485e240d6da031f84da23ea0009e759404dbaa9eaeae6122721. 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 4 File information Comments

SHA256 hash: 7a2b3db6ca1b0485e240d6da031f84da23ea0009e759404dbaa9eaeae6122721
SHA3-384 hash: 84e13554e33ccd8cd0264f60463b9017202260f90adb3a4f2a7ec162c111902ce63e41032383ece270de2c241cfe02ee
SHA1 hash: a6e20df2dd5104be47056dd3ded7e03de8b9246c
MD5 hash: 80754d22e9e7129377ca9a6d34262c35
humanhash: mike-vermont-kitten-triple
File name:SV000238982399392.exe
Download: download sample
Signature Formbook
File size:900'096 bytes
First seen:2023-12-05 16:51:26 UTC
Last seen:Never
File type:Executable exe
MIME type:application/x-dosexec
imphash f34d5f2d4577ed6d9ceec516c1f5a744 (48'744 x AgentTesla, 19'611 x Formbook, 12'242 x SnakeKeylogger)
ssdeep 12288:6KpKE6jD/62iNG5nF8eYRED+Wzt5ESWXLhZYE7oHWQ8IacGVbHZnParG:6IKtD/61IFYRDA9Wbv/8WQacKZPaq
TLSH T1C815015072DD2F9AED7A47F90938811863FDBDAA1031D29C1CC272CB4676F926613B1B
TrID 71.1% (.EXE) Generic CIL Executable (.NET, Mono, etc.) (73123/4/13)
10.2% (.EXE) Win64 Executable (generic) (10523/12/4)
6.3% (.DLL) Win32 Dynamic Link Library (generic) (6578/25/2)
4.3% (.EXE) Win32 Executable (generic) (4505/5/1)
2.0% (.ICL) Windows Icons Library (generic) (2059/9)
File icon (PE):PE icon
dhash icon 70688e0c3682968e (1 x AveMariaRAT, 1 x AgentTesla, 1 x Formbook)
Reporter lowmal3
Tags:exe FormBook

Intelligence


File Origin
# of uploads :
1
# of downloads :
317
Origin country :
DE DE
Vendor Threat Intelligence
Result
Verdict:
Malware
Maliciousness:

Behaviour
Searching for the window
Creating a window
Unauthorized injection to a recently created process
Restart of the analyzed sample
Creating a file
Сreating synchronization primitives
Verdict:
Malicious
Threat level:
  10/10
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:
FormBook
Detection:
malicious
Classification:
rans.troj.spyw.evad
Score:
100 / 100
Signature
.NET source code contains potential unpacker
.NET source code contains very large array initializations
Antivirus detection for URL or domain
Injects a PE file into a foreign processes
Machine Learning detection for sample
Malicious sample detected (through community Yara rule)
Maps a DLL or memory area into another process
Multi AV Scanner detection for submitted file
Performs DNS queries to domains with low reputation
Queues an APC in another process (thread injection)
Snort IDS alert for network traffic
Tries to harvest and steal browser information (history, passwords, etc)
Tries to steal Mail credentials (via file / registry access)
Uses shutdown.exe to shutdown or reboot the system
Writes to foreign memory regions
Yara detected AntiVM3
Yara detected FormBook
Behaviour
Behavior Graph:
Threat name:
ByteCode-MSIL.Trojan.AgentTesla
Status:
Malicious
First seen:
2023-12-05 15:49:59 UTC
File Type:
PE (.Net Exe)
Extracted files:
48
AV detection:
21 of 37 (56.76%)
Threat level:
  5/5
Verdict:
malicious
Label(s):
formbook
Result
Malware family:
n/a
Score:
  7/10
Tags:
n/a
Behaviour
Modifies Internet Explorer settings
Modifies registry class
Suspicious behavior: EnumeratesProcesses
Suspicious behavior: GetForegroundWindowSpam
Suspicious behavior: MapViewOfSection
Suspicious use of AdjustPrivilegeToken
Suspicious use of FindShellTrayWindow
Suspicious use of WriteProcessMemory
Suspicious use of SetThreadContext
Loads dropped DLL
Unpacked files
SH256 hash:
69f2cba7303cbcb2efb9ba3b3acc4a946b4b01d47015859ecc887085ffe87261
MD5 hash:
1695ed23d276e3802486d311265b9c7f
SHA1 hash:
0bf0e025c916461df7c0fed69d36d0016971ebb4
SH256 hash:
254b866f2f89945ff4ab80f0ae4140586767eba40f39ebda36d89234fc9f2e50
MD5 hash:
edd6906da59702c5ce2b675e553d8d19
SHA1 hash:
761e51af8c6dd6a62e421467c4b5b3b0a5955e02
SH256 hash:
d01f3dea3851602ba5a0586c60430d286adf6fcc7e17aab080601a66630606e5
MD5 hash:
579197d4f760148a9482d1ebde113259
SHA1 hash:
cf6924eb360c7e5a117323bebcb6ee02d2aec86d
SH256 hash:
555c0121312418e71b0fc1ef91218245621dd17e531227f0544f23c1f4987243
MD5 hash:
ffea387c125f583233c5ce94cca6f596
SHA1 hash:
899f8c459df0b36ec42109b99484a3077821ec67
SH256 hash:
1b9199558920db27aa2c17fc28f8f0b72ac2624fd5719e02dc9d97c227d2f7d7
MD5 hash:
6ae22fa9353f4b24d1fb6acaa7ea5cbc
SHA1 hash:
478aaaf3dfcb2223b990c650b2d3a0a58e8b8c56
SH256 hash:
7a2b3db6ca1b0485e240d6da031f84da23ea0009e759404dbaa9eaeae6122721
MD5 hash:
80754d22e9e7129377ca9a6d34262c35
SHA1 hash:
a6e20df2dd5104be47056dd3ded7e03de8b9246c
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.

Malspam

Formbook

Executable exe 7a2b3db6ca1b0485e240d6da031f84da23ea0009e759404dbaa9eaeae6122721

(this sample)

  
Delivery method
Distributed via e-mail attachment

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