MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 e17c6fdddc41bc1200df93f2303ea35ac0d230e04e7641f1b589bf2a9a7d1e3e. 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

SHA256 hash: e17c6fdddc41bc1200df93f2303ea35ac0d230e04e7641f1b589bf2a9a7d1e3e
SHA3-384 hash: c7a02d39da9301d81b991f1e14fe3e0a56b2258767679fc8d995bf0dece02078d9169bd94cc1bfbe34b02687dd497830
SHA1 hash: 4412b4aaaa6a921f5dfacd08fcc53f97adcdc94d
MD5 hash: 13f3d3c796b6df4aa50759f1216a96e7
humanhash: burger-floor-florida-jupiter
File name:13f3d3c796b6df4aa50759f1216a96e7
Download: download sample
Signature Formbook
File size:278'528 bytes
First seen:2021-06-27 21:35:42 UTC
Last seen:Never
File type:Microsoft Software Installer (MSI) msi
MIME type:application/x-msi
ssdeep 6144:cEtTqjFA5JxUTHMcdKYl58wqpGdGyzGWLK0/Gtv:cE9Z53UTHLoYvjqs3//Ev
Threatray 6'051 similar samples on MalwareBazaar
TLSH 9844121A70D1417FD89986B51CFB873A97F78E001926120313F07B1EBEB1D8646A67A6
Reporter zbetcheckin
Tags:FormBook msi

Intelligence


File Origin
# of uploads :
1
# of downloads :
114
Origin country :
n/a
Vendor Threat Intelligence
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:
100 / 100
Signature
Antivirus detection for URL or domain
C2 URLs / IPs found in malware configuration
Detected unpacking (changes PE section rights)
DLL side loading technique detected
Found malware configuration
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)
Modifies the prolog of user mode functions (user mode inline hooks)
Multi AV Scanner detection for submitted file
Queues an APC in another process (thread injection)
Sample uses process hollowing technique
Sigma detected: CMSTP Execution Process Creation
Snort IDS alert for network traffic (e.g. based on Emerging Threat rules)
System process connects to network (likely due to code injection or exploit)
Tries to detect virtualization through RDTSC time measurements
Yara detected FormBook
Behaviour
Behavior Graph:
behaviorgraph top1 signatures2 2 Behavior Graph ID: 441030 Sample: E1bCgdZF3a Startdate: 27/06/2021 Architecture: WINDOWS Score: 100 46 Snort IDS alert for network traffic (e.g. based on Emerging Threat rules) 2->46 48 Found malware configuration 2->48 50 Malicious sample detected (through community Yara rule) 2->50 52 6 other signatures 2->52 8 MSI8990.tmp 20 2->8         started        12 explorer.exe 2->12         started        15 msiexec.exe 2 2->15         started        process3 dnsIp4 26 C:\Users\user\AppData\Local\...\System.dll, PE32 8->26 dropped 28 C:\Users\user\AppData\Local\Temp\itfcdm, DOS 8->28 dropped 54 Detected unpacking (changes PE section rights) 8->54 56 Maps a DLL or memory area into another process 8->56 58 DLL side loading technique detected 8->58 60 Tries to detect virtualization through RDTSC time measurements 8->60 17 MSI8990.tmp 8->17         started        30 www.fl6588.com 12->30 32 www.fl6588.com 202.46.38.121, 49704, 80 CNNIC-SUNRISE-APShenZhenSunriseTechnologyCoLtdCN China 12->32 34 6 other IPs or domains 12->34 62 System process connects to network (likely due to code injection or exploit) 12->62 20 cmstp.exe 12->20         started        file5 signatures6 process7 signatures8 36 Modifies the context of a thread in another process (thread injection) 17->36 38 Maps a DLL or memory area into another process 17->38 40 Sample uses process hollowing technique 17->40 42 Queues an APC in another process (thread injection) 17->42 44 Tries to detect virtualization through RDTSC time measurements 20->44 22 cmd.exe 1 20->22         started        process9 process10 24 conhost.exe 22->24         started       
Threat name:
Win32.Trojan.AgentTesla
Status:
Malicious
First seen:
2021-06-27 00:32:59 UTC
AV detection:
10 of 29 (34.48%)
Threat level:
  5/5
Result
Malware family:
formbook
Score:
  10/10
Tags:
family:formbook macro rat spyware stealer trojan xlm
Behaviour
Checks SCSI registry key(s)
Modifies data under HKEY_USERS
Suspicious behavior: EnumeratesProcesses
Suspicious behavior: GetForegroundWindowSpam
Suspicious behavior: MapViewOfSection
Suspicious use of AdjustPrivilegeToken
Suspicious use of FindShellTrayWindow
Suspicious use of SendNotifyMessage
Suspicious use of UnmapMainImage
Suspicious use of WriteProcessMemory
NSIS installer
Enumerates physical storage devices
Drops file in Windows directory
Suspicious use of SetThreadContext
Enumerates connected drives
Loads dropped DLL
Executes dropped EXE
Formbook Payload
Formbook
Malware Config
C2 Extraction:
http://www.bulverderoofing.com/lt0h/
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:Executable_Converted_to_MSI
Rule name:INDICATOR_MSI_EXE2MSI
Author:ditekSHen
Description:Detects executables converted to .MSI packages using a free online converter.

File information


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

Web download

Formbook

Microsoft Software Installer (MSI) msi e17c6fdddc41bc1200df93f2303ea35ac0d230e04e7641f1b589bf2a9a7d1e3e

(this sample)

  
Delivery method
Distributed via web download

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