MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 a7c09392aa26962b20d2fc58398b6425ebd062187b2923fbbb7b1866523f1e26. 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 3 File information Comments

SHA256 hash: a7c09392aa26962b20d2fc58398b6425ebd062187b2923fbbb7b1866523f1e26
SHA3-384 hash: 69f2524f0ad0ed04879e828ec29e7e9b25a4902d7df759eed535589601a87d22754b1d30048b86505fcaa0b89a06bb7d
SHA1 hash: 97c623c38ec83ad146f80f4da6fcf083c95dd50b
MD5 hash: 10bef7b81cbd13b3dc58d813e7fc06c1
humanhash: grey-orange-snake-venus
File name:Shipping documentsProforma invoice.exe
Download: download sample
Signature Formbook
File size:747'008 bytes
First seen:2021-08-23 14:28:17 UTC
Last seen:Never
File type:Executable exe
MIME type:application/x-dosexec
imphash 9f4693fc0c511135129493f2161d1e86 (250 x Neshta, 15 x Formbook, 14 x AgentTesla)
ssdeep 12288:RQioUx/2JW1hxrQe+IguVZRFzODnQx0+NpYuJTquMvCEWs:R52JWhZvP4J+NpBsz3
Threatray 8'491 similar samples on MalwareBazaar
TLSH T14CF47C36FAB1A874C4622F3DD82B44ADCD2D7D45DC7C78562AE60A0E4F39B913426387
dhash icon cad7b5b2eaaaaab6 (1 x NetWire, 1 x Formbook, 1 x RemcosRAT)
Reporter GovCERT_CH
Tags:exe FormBook

Intelligence


File Origin
# of uploads :
1
# of downloads :
300
Origin country :
n/a
Vendor Threat Intelligence
Malware family:
n/a
ID:
1
File name:
Shipping documentsProforma invoice.exe
Verdict:
Malicious activity
Analysis date:
2021-08-23 15:31:26 UTC
Tags:
installer

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

Behaviour
Creating a file in the %temp% subdirectories
Creating a process from a recently created file
Creating a file in the Windows directory
Modifying an executable file
Creating a window
Creating a file
DNS request
Connection attempt
Sending a custom TCP request
Sending an HTTP GET request
Sending a UDP request
Launching a process
Running batch commands
Creating a process with a hidden window
Launching cmd.exe command interpreter
Deleting a recently created file
Enabling autorun with the shell\open\command registry branches
Enabling autorun with the standard Software\Microsoft\Windows\CurrentVersion\Run registry branch
Infecting executable files
Unauthorized injection to a system process
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:
Detection:
malicious
Classification:
spre
Score:
100 / 100
Signature
Antivirus / Scanner detection for submitted sample
Antivirus detection for dropped file
Creates an undocumented autostart registry key
Drops executable to a common third party application directory
Drops PE files with a suspicious file extension
Infects executable files (exe, dll, sys, html)
Initial sample is a PE file and has a suspicious name
Machine Learning detection for dropped file
Machine Learning detection for sample
Multi AV Scanner detection for dropped file
Multi AV Scanner detection for submitted file
Yara detected Neshta
Behaviour
Behavior Graph:
Threat name:
Win32.Virus.Neshta
Status:
Malicious
First seen:
2021-08-23 11:49:58 UTC
AV detection:
45 of 46 (97.83%)
Threat level:
  5/5
Result
Malware family:
xloader
Score:
  10/10
Tags:
family:modiloader family:xloader campaign:b6cu loader persistence rat spyware stealer suricata trojan
Behaviour
Modifies registry class
Modifies registry key
Suspicious behavior: EnumeratesProcesses
Suspicious behavior: GetForegroundWindowSpam
Suspicious behavior: MapViewOfSection
Suspicious use of AdjustPrivilegeToken
Suspicious use of UnmapMainImage
Suspicious use of WriteProcessMemory
Enumerates physical storage devices
Drops file in Program Files directory
Drops file in Windows directory
Suspicious use of SetThreadContext
Adds Run key to start application
Loads dropped DLL
Reads user/profile data of web browsers
Adds policy Run key to start application
Executes dropped EXE
Xloader Payload
ModiLoader, DBatLoader
Modifies system executable filetype association
Xloader
suricata: ET MALWARE FormBook CnC Checkin (GET)
Malware Config
C2 Extraction:
http://www.xn--marketingrevolucin-61b.com/b6cu/
Unpacked files
SH256 hash:
a7c09392aa26962b20d2fc58398b6425ebd062187b2923fbbb7b1866523f1e26
MD5 hash:
10bef7b81cbd13b3dc58d813e7fc06c1
SHA1 hash:
97c623c38ec83ad146f80f4da6fcf083c95dd50b
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:INDICATOR_SUSPICIOUS_EXE_UACBypass_EnvVarScheduledTasks
Author:ditekSHen
Description:detects Windows exceutables potentially bypassing UAC (ab)using Environment Variables in Scheduled Tasks
Rule name:INDICATOR_SUSPICIOUS_Stomped_PECompilation_Timestamp_InTheFuture
Author:ditekSHen
Description:Detect executables with stomped PE compilation timestamp that is greater than local current time
Rule name:MAL_Neshta_Generic
Author:Florian Roth
Description:Detects Neshta malware
Reference:Internal Research

File information


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

Malspam

Formbook

Executable exe a7c09392aa26962b20d2fc58398b6425ebd062187b2923fbbb7b1866523f1e26

(this sample)

  
Delivery method
Distributed via e-mail attachment

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