MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 eedf79769078bf047dbdf03d4c4e352aaebd783624bd8dcf1de29fba4bc51c56. 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: 17


Intelligence 17 IOCs YARA 6 File information Comments

SHA256 hash: eedf79769078bf047dbdf03d4c4e352aaebd783624bd8dcf1de29fba4bc51c56
SHA3-384 hash: 7cced120b2699048ea0008b909a907ccba2078e79935ba24b92f511e208e909fd8fb513a91afce89d95deeae804a5042
SHA1 hash: 96441cab11470d572c1416481742eb4201180dcf
MD5 hash: 7109fc212474f5f171cce21694d54841
humanhash: july-bacon-massachusetts-california
File name:Booking.exe
Download: download sample
Signature Formbook
File size:260'057 bytes
First seen:2023-01-30 09:03:34 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 6144:2Ya6iobWsMqxCdscVlV3qeubnGsd7wUHrALSDagtXK1:2YZbDYLlaeuVELSegVg
TLSH T14E440103B2DC87AFE42246F278B805F14BA3AF2715646743B3DDCD5DBA2214989193F6
TrID 47.3% (.EXE) Win32 Executable MS Visual C++ (generic) (31206/45/13)
15.9% (.EXE) Win64 Executable (generic) (10523/12/4)
9.9% (.DLL) Win32 Dynamic Link Library (generic) (6578/25/2)
7.6% (.EXE) Win16 NE executable (generic) (5038/12/1)
6.8% (.EXE) Win32 Executable (generic) (4505/5/1)
File icon (PE):PE icon
dhash icon eaae8a9ea69ae8b0 (33 x Formbook, 4 x SnakeKeylogger, 1 x AgentTesla)
Reporter adrian__luca
Tags:exe FormBook

Intelligence


File Origin
# of uploads :
1
# of downloads :
193
Origin country :
n/a
Vendor Threat Intelligence
Malware family:
formbook
ID:
1
File name:
Booking.exe
Verdict:
Malicious activity
Analysis date:
2023-01-30 09:11:26 UTC
Tags:
formbook xloader trojan stealer

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

Behaviour
Searching for the window
Creating a file in the %temp% directory
Creating a window
Creating a process from a recently created file
Launching a process
Сreating synchronization primitives
Searching for synchronization primitives
Launching cmd.exe command interpreter
Setting browser functions hooks
Unauthorized injection to a recently created process
Unauthorized injection to a recently created process by context flags manipulation
Unauthorized injection to a system process
Unauthorized injection to a browser process
Result
Malware family:
n/a
Score:
  5/10
Tags:
n/a
Behaviour
MalwareBazaar
Verdict:
No Threat
Threat level:
  2/10
Confidence:
83%
Tags:
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.evad
Score:
100 / 100
Signature
Antivirus detection for URL or domain
C2 URLs / IPs found in malware configuration
Detected unpacking (changes PE section rights)
Found evasive API chain (may stop execution after reading information in the PEB, e.g. number of processors)
Icon mismatch, binary includes an icon from a different legit application in order to fool users
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)
Modifies the prolog of user mode functions (user mode inline hooks)
Multi AV Scanner detection for domain / URL
Multi AV Scanner detection for dropped file
Multi AV Scanner detection for submitted file
Queues an APC in another process (thread injection)
Sample uses process hollowing technique
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: 794193 Sample: Booking.exe Startdate: 30/01/2023 Architecture: WINDOWS Score: 100 47 Multi AV Scanner detection for domain / URL 2->47 49 Malicious sample detected (through community Yara rule) 2->49 51 Antivirus detection for URL or domain 2->51 53 6 other signatures 2->53 11 Booking.exe 19 2->11         started        process3 file4 31 C:\Users\user\AppData\...\tmvjadiygg.exe, PE32 11->31 dropped 14 tmvjadiygg.exe 11->14         started        process5 signatures6 61 Multi AV Scanner detection for dropped file 14->61 63 Detected unpacking (changes PE section rights) 14->63 65 Found evasive API chain (may stop execution after reading information in the PEB, e.g. number of processors) 14->65 67 2 other signatures 14->67 17 tmvjadiygg.exe 14->17         started        process7 signatures8 39 Modifies the context of a thread in another process (thread injection) 17->39 41 Maps a DLL or memory area into another process 17->41 43 Sample uses process hollowing technique 17->43 45 Queues an APC in another process (thread injection) 17->45 20 explorer.exe 2 6 17->20 injected process9 dnsIp10 33 jirivansteen.com 145.14.156.221, 49719, 80 AS-HOSTINGERLT Netherlands 20->33 35 www.jirivansteen.com 20->35 37 www.clairesamazon.com 20->37 55 System process connects to network (likely due to code injection or exploit) 20->55 24 msiexec.exe 20->24         started        signatures11 process12 signatures13 57 Modifies the context of a thread in another process (thread injection) 24->57 59 Maps a DLL or memory area into another process 24->59 27 cmd.exe 1 24->27         started        process14 process15 29 conhost.exe 27->29         started       
Threat name:
Win32.Trojan.Leonem
Status:
Malicious
First seen:
2023-01-28 02:35:30 UTC
File Type:
PE (Exe)
Extracted files:
4
AV detection:
21 of 26 (80.77%)
Threat level:
  5/5
Verdict:
malicious
Label(s):
formbook
Result
Malware family:
formbook
Score:
  10/10
Tags:
family:formbook campaign:n10i rat spyware stealer trojan
Behaviour
Gathers network information
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
Enumerates physical storage devices
Suspicious use of SetThreadContext
Loads dropped DLL
Executes dropped EXE
Formbook payload
Formbook
Unpacked files
SH256 hash:
27083785910dfedff1e3240ec9ff1a0c696b1ee956468e47b83b7a36a4f74a6a
MD5 hash:
03da506996185d1d1ba9964d27be2fec
SHA1 hash:
d1e3ad5c76f5f6426971fb4d766971491145967a
Detections:
FormBook win_formbook_w0 win_formbook_auto win_formbook_g0
SH256 hash:
713ddd9198362c7e6d0001c9d063c43579a7ef0db8146b2246eed16901562efc
MD5 hash:
c0f43f320f7224a291810aa447a6b227
SHA1 hash:
a3dd49c224ca5250b952814e3f98e261cc0f0514
SH256 hash:
eedf79769078bf047dbdf03d4c4e352aaebd783624bd8dcf1de29fba4bc51c56
MD5 hash:
7109fc212474f5f171cce21694d54841
SHA1 hash:
96441cab11470d572c1416481742eb4201180dcf
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:meth_get_eip
Author:Willi Ballenthin
Rule name:meth_stackstrings
Author:Willi Ballenthin
Rule name:shellcode
Author:nex
Description:Matched shellcode byte patterns
Rule name:Windows_Trojan_Formbook
Author:@malgamy12
Rule name:Windows_Trojan_Formbook_1112e116
Author:Elastic Security
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.

Malspam

Formbook

Executable exe eedf79769078bf047dbdf03d4c4e352aaebd783624bd8dcf1de29fba4bc51c56

(this sample)

  
Delivery method
Distributed via e-mail attachment

Comments