MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 4ac982ea35522a13de30ff7ddbbec9becf2c7528a48f0aff377e3d6758a7ae7b. 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: 13


Intelligence 13 IOCs YARA 2 File information Comments

SHA256 hash: 4ac982ea35522a13de30ff7ddbbec9becf2c7528a48f0aff377e3d6758a7ae7b
SHA3-384 hash: 27d164220a1b7ae2efbd43ce1eeed0ce69906ed1cfa3b5b78b0e0907255ecf866e0da1e671b4d647328495dc0bca385f
SHA1 hash: 04d62d915bd1a81c4b5ed35df6edb953107398c8
MD5 hash: 14848f52302c15e27b26fee5fada11c1
humanhash: quebec-low-hydrogen-echo
File name:SecuriteInfo.com.Trojan.NSISX.Spy.Gen.2.8452.17207
Download: download sample
Signature Formbook
File size:428'316 bytes
First seen:2022-05-13 22:36:46 UTC
Last seen:Never
File type:Executable exe
MIME type:application/x-dosexec
imphash 61259b55b8912888e90f516ca08dc514 (1'059 x Formbook, 741 x AgentTesla, 427 x GuLoader)
ssdeep 6144:eOtIldxqG7hiusCwlvcyHQOEYf5iTQuuAxjNnmJvLtVeV+hLk7:eORQiuqEyHH1GtNnmFBi+lg
Threatray 15'602 similar samples on MalwareBazaar
TLSH T1B694E092D5C041A5EC794B34B53B1D3A16A7FFB9BCF9EA8E864D71312B732C2401B942
TrID 48.8% (.EXE) Win32 Executable MS Visual C++ (generic) (31206/45/13)
16.4% (.EXE) Win64 Executable (generic) (10523/12/4)
10.2% (.DLL) Win32 Dynamic Link Library (generic) (6578/25/2)
7.8% (.EXE) Win16 NE executable (generic) (5038/12/1)
7.0% (.EXE) Win32 Executable (generic) (4505/5/1)
File icon (PE):PE icon
dhash icon c3894f032b232313 (2 x Formbook)
Reporter SecuriteInfoCom
Tags:exe FormBook

Intelligence


File Origin
# of uploads :
1
# of downloads :
330
Origin country :
n/a
Vendor Threat Intelligence
Result
Verdict:
Malware
Maliciousness:

Behaviour
Creating a file in the %temp% directory
Creating a window
Creating a process from a recently created file
Сreating synchronization primitives
Searching for synchronization primitives
Launching a process
Launching cmd.exe command interpreter
DNS request
Sending an HTTP GET request
Reading critical registry keys
Unauthorized injection to a recently created process by context flags manipulation
Enabling autorun with the standard Software\Microsoft\Windows\CurrentVersion\Run registry branch
Unauthorized injection to a system process
Result
Malware family:
n/a
Score:
  5/10
Tags:
n/a
Behaviour
MalwareBazaar
Verdict:
Malicious
Threat level:
  10/10
Confidence:
100%
Tags:
control.exe overlay packed shell32.dll
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
Score:
84 / 100
Signature
C2 URLs / IPs found in malware configuration
Found malware configuration
Malicious sample detected (through community Yara rule)
Multi AV Scanner detection for dropped file
Multi AV Scanner detection for submitted file
Yara detected FormBook
Behaviour
Behavior Graph:
Threat name:
Win32.Trojan.Nsisx
Status:
Malicious
First seen:
2022-05-13 21:27:01 UTC
File Type:
PE (Exe)
Extracted files:
4
AV detection:
14 of 41 (34.15%)
Threat level:
  5/5
Result
Malware family:
xloader
Score:
  10/10
Tags:
family:formbook family:xloader campaign:p0ip loader persistence rat spyware stealer suricata trojan
Behaviour
Gathers network information
Modifies Internet Explorer settings
Suspicious behavior: EnumeratesProcesses
Suspicious behavior: GetForegroundWindowSpam
Suspicious behavior: MapViewOfSection
Suspicious use of AdjustPrivilegeToken
Suspicious use of FindShellTrayWindow
Suspicious use of SendNotifyMessage
Suspicious use of WriteProcessMemory
System policy modification
Enumerates physical storage devices
Program crash
Drops file in Program Files 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
Formbook
Xloader
suricata: ET MALWARE FormBook CnC Checkin (GET)
suricata: ET MALWARE FormBook CnC Checkin (POST) M2
Unpacked files
SH256 hash:
4ac982ea35522a13de30ff7ddbbec9becf2c7528a48f0aff377e3d6758a7ae7b
MD5 hash:
14848f52302c15e27b26fee5fada11c1
SHA1 hash:
04d62d915bd1a81c4b5ed35df6edb953107398c8
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:malware_Formbook_strings
Author:JPCERT/CC Incident Response Group
Description:detect Formbook in memory
Reference:internal research
Rule name:win_formbook_auto
Author:Felix Bilstein - yara-signator at cocacoding dot com
Description:Detects win.formbook.

File information


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

Comments