MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 fb2318f402521d3bd91b5d49df6e48f2b090074b7bf6b3e785e4b14a5df27e13. 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 7 File information Comments

SHA256 hash: fb2318f402521d3bd91b5d49df6e48f2b090074b7bf6b3e785e4b14a5df27e13
SHA3-384 hash: 3669e5a363f575dfbc967b6cf97bc13844ee9ec49e190fad7ff14efe8bd4c2cb967a5c63477e693df02ff4b9ff042dbb
SHA1 hash: f4d80d37a1cc9339156a9b56d1460a2ab2f26c3a
MD5 hash: 97c3817b373eca2e1811fa6fe94a3ca8
humanhash: fanta-texas-quebec-hamper
File name:TNT Invoice_pdf.exe
Download: download sample
Signature Formbook
File size:380'175 bytes
First seen:2023-03-14 19:23:40 UTC
Last seen:Never
File type:Executable exe
MIME type:application/x-dosexec
imphash 61259b55b8912888e90f516ca08dc514 (1'059 x Formbook, 741 x AgentTesla, 431 x GuLoader)
ssdeep 6144:yYa6fM/p5HwV6HMCSLs+G5jkIP7Xg0JN1ndM5Avk4R6bSzDpcUf2vGBud+I4:yYpM8498cjkI0IaneqSzTevGUy
Threatray 2'298 similar samples on MalwareBazaar
TLSH T1B784CFD58D8DADC2F96302F07EB2DBA9750FBD9E40619A0A3167BE11A423113393B717
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 72ceaea6b29696aa (3 x AgentTesla, 3 x Formbook, 2 x Loki)
Reporter abuse_ch
Tags:exe FormBook TNT

Intelligence


File Origin
# of uploads :
1
# of downloads :
221
Origin country :
n/a
Vendor Threat Intelligence
Malware family:
formbook
ID:
1
File name:
TNT Invoice_pdf.exe
Verdict:
Malicious activity
Analysis date:
2023-03-14 19:24:13 UTC
Tags:
stealer formbook trojan

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% directory
Creating a window
Creating a process from a recently created file
Сreating synchronization primitives
Searching for synchronization primitives
Launching a process
DNS request
Sending an HTTP GET request
Reading critical registry keys
Unauthorized injection to a recently created process
Launching the default Windows debugger (dwwin.exe)
Unauthorized injection to a recently created process by context flags manipulation
Stealing user critical data
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:
comodo nemesis overlay packed remcos 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.spyw.evad
Score:
100 / 100
Signature
Antivirus detection for dropped file
Antivirus detection for URL or domain
Found evasive API chain (may stop execution after reading information in the PEB, e.g. number of processors)
Initial sample is a PE file and has a suspicious name
Machine Learning detection for dropped file
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 dropped file
Multi AV Scanner detection for submitted file
Performs DNS queries to domains with low reputation
Queues an APC in another process (thread injection)
Sample has a suspicious name (potential lure to open the executable)
Sample uses process hollowing technique
Snort IDS alert for network traffic
System process connects to network (likely due to code injection or exploit)
Tries to harvest and steal browser information (history, passwords, etc)
Tries to steal Mail credentials (via file / registry access)
Yara detected FormBook
Behaviour
Behavior Graph:
behaviorgraph top1 signatures2 2 Behavior Graph ID: 826561 Sample: TNT_Invoice_pdf.exe Startdate: 14/03/2023 Architecture: WINDOWS Score: 100 33 Snort IDS alert for network traffic 2->33 35 Malicious sample detected (through community Yara rule) 2->35 37 Antivirus detection for URL or domain 2->37 39 5 other signatures 2->39 9 TNT_Invoice_pdf.exe 19 2->9         started        process3 file4 25 C:\Users\user\AppData\Local\...\zbbegzfq.exe, PE32 9->25 dropped 12 zbbegzfq.exe 9->12         started        process5 signatures6 53 Antivirus detection for dropped file 12->53 55 Multi AV Scanner detection for dropped file 12->55 57 Machine Learning detection for dropped file 12->57 59 2 other signatures 12->59 15 zbbegzfq.exe 12->15         started        process7 signatures8 61 Modifies the context of a thread in another process (thread injection) 15->61 63 Maps a DLL or memory area into another process 15->63 65 Sample uses process hollowing technique 15->65 67 Queues an APC in another process (thread injection) 15->67 18 explorer.exe 2 6 15->18 injected process9 dnsIp10 27 www.shantyman.org 104.143.9.110, 49717, 49718, 49719 VIVIDHOSTINGUS United States 18->27 29 www.srscustomdesign.com 91.195.240.117, 49699, 49700, 49701 SEDO-ASDE Germany 18->29 31 11 other IPs or domains 18->31 41 System process connects to network (likely due to code injection or exploit) 18->41 43 Performs DNS queries to domains with low reputation 18->43 22 systray.exe 13 18->22         started        signatures11 process12 signatures13 45 Tries to steal Mail credentials (via file / registry access) 22->45 47 Tries to harvest and steal browser information (history, passwords, etc) 22->47 49 Modifies the context of a thread in another process (thread injection) 22->49 51 Maps a DLL or memory area into another process 22->51
Threat name:
Win32.Trojan.Garf
Status:
Malicious
First seen:
2023-03-14 09:03:26 UTC
File Type:
PE (Exe)
Extracted files:
3
AV detection:
25 of 39 (64.10%)
Threat level:
  5/5
Result
Malware family:
n/a
Score:
  7/10
Tags:
n/a
Behaviour
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
Enumerates physical storage devices
Program crash
Suspicious use of SetThreadContext
Checks computer location settings
Executes dropped EXE
Loads dropped DLL
Unpacked files
SH256 hash:
dd4b02f5f3ff857c5de6c4a84cfeac5b27f091f20baf2dd3bcc77616f0239f44
MD5 hash:
1096693fba6c51bd1f4487c0323faa80
SHA1 hash:
fcaf2530a525b85a0d7ce1db2dc72e34b43625e9
Detections:
win_formbook_w0 win_formbook_auto win_formbook_g0
SH256 hash:
4a19856dbcfd1ed73ea288396c0f40e85824b5deda8605031362d6c5f298bfca
MD5 hash:
3176c95d2dc664ce6effc2085c360560
SHA1 hash:
c144ef31f3e0376b847c1f599311a56068570e11
SH256 hash:
644e06a782d697dc91a53834570a2f20e6c4a5dfdfee29a5e32272e8cea129d8
MD5 hash:
f2453e3183da0397fe7da2a6e5cb7450
SHA1 hash:
649a210f662513f82850d6df47878c4096b3a7cd
SH256 hash:
fb2318f402521d3bd91b5d49df6e48f2b090074b7bf6b3e785e4b14a5df27e13
MD5 hash:
97c3817b373eca2e1811fa6fe94a3ca8
SHA1 hash:
f4d80d37a1cc9339156a9b56d1460a2ab2f26c3a
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.
Rule name:win_formbook_w0
Author:@malgamy12

File information


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

Comments