MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 2325ce40759e57ccc4f3fadde95aff3298fc4941ca8eca803ccf1588a879c13a. 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 6 File information Comments

SHA256 hash: 2325ce40759e57ccc4f3fadde95aff3298fc4941ca8eca803ccf1588a879c13a
SHA3-384 hash: b2f1712fbcc0ddbe70cae155383ef63f4eedf88acd79d2f43e0d7dbf4efa01da057733df9cae51eb5b963cb1a82220aa
SHA1 hash: 07c15664f30d9254aa053884423981bac818a57d
MD5 hash: c17715a67289a3e47a4dbb56e58d2298
humanhash: wisconsin-jupiter-illinois-fillet
File name:c17715a67289a3e47a4dbb56e58d2298.exe
Download: download sample
Signature Formbook
File size:695'808 bytes
First seen:2022-07-05 12:40:27 UTC
Last seen:2022-07-05 14:20:33 UTC
File type:Executable exe
MIME type:application/x-dosexec
imphash f34d5f2d4577ed6d9ceec516c1f5a744 (48'662 x AgentTesla, 19'475 x Formbook, 12'208 x SnakeKeylogger)
ssdeep 12288:eIg4iaqK0QUr9jfLvENvYqcUPa0FscxBSP4HCGlzFyaeH27m:eIji3NhfLvroa0X7nxq
TLSH T107E4019012B40A69C1B943B68427E536B267792F603396CC4F5BBFB583533446A23F9F
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)
Reporter abuse_ch
Tags:exe FormBook

Intelligence


File Origin
# of uploads :
3
# of downloads :
249
Origin country :
n/a
Vendor Threat Intelligence
Malware family:
n/a
ID:
1
File name:
2325ce40759e57ccc4f3fadde95aff3298fc4941ca8eca803ccf1588a879c13a.exe
Verdict:
Suspicious activity
Analysis date:
2022-07-05 13:23:25 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
Creating a window
Adding an access-denied ACE
Launching a process
Сreating synchronization primitives
Creating a file
Launching cmd.exe command interpreter
Searching for synchronization primitives
DNS request
Sending an HTTP GET request
Forced shutdown of a system process
Unauthorized injection to a system process
Verdict:
Suspicious
Threat level:
  5/10
Confidence:
100%
Tags:
packed vsiisexelauncher.exe
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.expl.evad
Score:
100 / 100
Signature
.NET source code contains very large array initializations
Antivirus detection for URL or domain
C2 URLs / IPs found in malware configuration
Contains functionality to hide user accounts
Machine Learning detection for sample
Malicious sample detected (through community Yara rule)
Maps a DLL or memory area into another process
Modifies the context of a thread in another process (thread injection)
Multi AV Scanner detection for domain / URL
Multi AV Scanner detection for submitted file
Queues an APC in another process (thread injection)
Sample uses process hollowing technique
Tries to detect sandboxes and other dynamic analysis tools (process name or module or function)
Tries to detect virtualization through RDTSC time measurements
Yara detected AntiVM3
Yara detected FormBook
Yara detected UAC Bypass using CMSTP
Behaviour
Behavior Graph:
Threat name:
ByteCode-MSIL.Trojan.FormBook
Status:
Malicious
First seen:
2022-07-05 06:40:28 UTC
File Type:
PE (.Net Exe)
Extracted files:
2
AV detection:
20 of 26 (76.92%)
Threat level:
  5/5
Verdict:
malicious
Label(s):
formbook
Result
Malware family:
xloader
Score:
  10/10
Tags:
family:formbook family:xloader campaign:v4qp loader persistence rat spyware stealer suricata trojan
Behaviour
Modifies Internet Explorer settings
Suspicious behavior: EnumeratesProcesses
Suspicious behavior: GetForegroundWindowSpam
Suspicious behavior: MapViewOfSection
Suspicious use of AdjustPrivilegeToken
Suspicious use of WriteProcessMemory
System policy modification
Program crash
Drops file in Program Files directory
Suspicious use of SetThreadContext
Reads user/profile data of web browsers
Adds policy Run key to start application
Blocklisted process makes network request
Executes dropped EXE
Xloader Payload
Formbook
Xloader
suricata: ET MALWARE FormBook CnC Checkin (GET)
suricata: ET MALWARE FormBook CnC Checkin (POST) M2
Unpacked files
SH256 hash:
f734b997674572625b4f38fe6e6936ddc8845dba37917ff261a3bc392117aaea
MD5 hash:
5755146ddd5917dcb73ecbd5ee3ae7a9
SHA1 hash:
eec7bd62327bb8e1a9448b105129d64f782adb73
SH256 hash:
2325ce40759e57ccc4f3fadde95aff3298fc4941ca8eca803ccf1588a879c13a
MD5 hash:
c17715a67289a3e47a4dbb56e58d2298
SHA1 hash:
07c15664f30d9254aa053884423981bac818a57d
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:BitcoinAddress
Author:Didier Stevens (@DidierStevens)
Description:Contains a valid Bitcoin address
Rule name:crime_win32_ransom_avaddon_1
Author:@VK_Intel
Description:Detects Avaddon ransomware
Reference:https://twitter.com/VK_Intel/status/1300944441390370819
Rule name:meth_get_eip
Author:Willi Ballenthin
Rule name:pdb_YARAify
Author:@wowabiy314
Description:PDB
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 2325ce40759e57ccc4f3fadde95aff3298fc4941ca8eca803ccf1588a879c13a

(this sample)

  
Delivery method
Distributed via web download

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