MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 82d448cb2461440d0ab1777690a41e228118c36961d8ee506ce94a9622b8af5d. 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: 16


Intelligence 16 IOCs YARA 7 File information Comments

SHA256 hash: 82d448cb2461440d0ab1777690a41e228118c36961d8ee506ce94a9622b8af5d
SHA3-384 hash: 22076e6055c99d407f4d827219ede5c275b03e59e46660729ab87129eed35314d47cfb538013e59d3173852dcbe8367e
SHA1 hash: bee025b982f809bcc685ca4001e8ec11030a56f7
MD5 hash: 3b4e07213628f95241dddce8ae45d9e9
humanhash: tango-potato-don-delaware
File name:INVOICE.exe
Download: download sample
Signature Formbook
File size:279'684 bytes
First seen:2023-02-21 07:08:41 UTC
Last seen:2023-02-21 08:37:40 UTC
File type:Executable exe
MIME type:application/x-dosexec
imphash 61259b55b8912888e90f516ca08dc514 (1'059 x Formbook, 741 x AgentTesla, 429 x GuLoader)
ssdeep 6144:PYa6mOlq4reUmCNYzH85jml0DFjqwf/7hWx0V9P17ILLH5owr69SHC:PYoQq4ZNmHAql0ZBWxeP1k/5oQ69SHC
Threatray 2'011 similar samples on MalwareBazaar
TLSH T15B54128523918053FAA365725A31231797F5E92730E9DC6F27A09F9E3B6B300592E337
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 b2a89c96a2cada72 (2'283 x Formbook, 981 x Loki, 803 x AgentTesla)
Reporter lowmal3
Tags:exe FormBook

Intelligence


File Origin
# of uploads :
2
# of downloads :
227
Origin country :
DE DE
Vendor Threat Intelligence
Malware family:
formbook
ID:
1
File name:
INVOICE.exe
Verdict:
Malicious activity
Analysis date:
2023-02-21 07:12:40 UTC
Tags:
trojan formbook 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
Сreating synchronization primitives
Sending a custom TCP request
Searching for synchronization primitives
Launching a process
Reading critical registry keys
DNS request
Sending an HTTP GET request
Unauthorized injection to a recently created process
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:
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.spyw.evad
Score:
100 / 100
Signature
Antivirus detection for URL or domain
Detected unpacking (changes PE section rights)
Executable has a suspicious name (potential lure to open the executable)
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 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 uses process hollowing technique
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)
Uses netsh to modify the Windows network and firewall settings
Yara detected FormBook
Behaviour
Behavior Graph:
behaviorgraph top1 signatures2 2 Behavior Graph ID: 812396 Sample: INVOICE.exe Startdate: 21/02/2023 Architecture: WINDOWS Score: 100 35 Malicious sample detected (through community Yara rule) 2->35 37 Antivirus detection for URL or domain 2->37 39 Multi AV Scanner detection for submitted file 2->39 41 4 other signatures 2->41 9 INVOICE.exe 19 2->9         started        process3 file4 27 C:\Users\user\AppData\Local\Temp\roenz.exe, PE32 9->27 dropped 12 roenz.exe 1 9->12         started        process5 signatures6 57 Multi AV Scanner detection for dropped file 12->57 59 Detected unpacking (changes PE section rights) 12->59 61 Found evasive API chain (may stop execution after reading information in the PEB, e.g. number of processors) 12->61 63 Maps a DLL or memory area into another process 12->63 15 roenz.exe 12->15         started        18 conhost.exe 12->18         started        process7 signatures8 65 Modifies the context of a thread in another process (thread injection) 15->65 67 Maps a DLL or memory area into another process 15->67 69 Sample uses process hollowing technique 15->69 71 Queues an APC in another process (thread injection) 15->71 20 explorer.exe 3 6 15->20 injected process9 dnsIp10 29 thegridbracknell.com 104.243.32.4, 49728, 49729, 80 RELIABLESITEUS United States 20->29 31 www.laksiricargo.com 217.160.0.81, 49721, 49722, 80 ONEANDONE-ASBrauerstrasse48DE Germany 20->31 33 9 other IPs or domains 20->33 43 System process connects to network (likely due to code injection or exploit) 20->43 45 Performs DNS queries to domains with low reputation 20->45 47 Uses netsh to modify the Windows network and firewall settings 20->47 24 netsh.exe 13 20->24         started        signatures11 process12 signatures13 49 Tries to steal Mail credentials (via file / registry access) 24->49 51 Tries to harvest and steal browser information (history, passwords, etc) 24->51 53 Modifies the context of a thread in another process (thread injection) 24->53 55 Maps a DLL or memory area into another process 24->55
Threat name:
Win32.Spyware.Noon
Status:
Malicious
First seen:
2023-02-21 01:12:52 UTC
File Type:
PE (Exe)
Extracted files:
4
AV detection:
13 of 25 (52.00%)
Threat level:
  2/5
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:
a0015e57d388f839e91ae290aed03bb3798f77a3fb85c1b22a06e54173e94fa7
MD5 hash:
c5a2aba8cf3f8ebcff6a46aa64751c50
SHA1 hash:
d40492b5c3ba64a753ab04e02759ff81988222e6
SH256 hash:
82d448cb2461440d0ab1777690a41e228118c36961d8ee506ce94a9622b8af5d
MD5 hash:
3b4e07213628f95241dddce8ae45d9e9
SHA1 hash:
bee025b982f809bcc685ca4001e8ec11030a56f7
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.

Malspam

Formbook

Executable exe 82d448cb2461440d0ab1777690a41e228118c36961d8ee506ce94a9622b8af5d

(this sample)

  
Delivery method
Distributed via e-mail attachment

Comments