MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 fdff6b98ec2be3abdd05531d36bc50d514d449dc6f753fb6aa8d4657e5669828. 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: 15


Intelligence 15 IOCs YARA 3 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: fdff6b98ec2be3abdd05531d36bc50d514d449dc6f753fb6aa8d4657e5669828
SHA3-384 hash: d806bd514801cacd200171bb3652d0aca19d67225a6369b9bfa2a4c132e73ba34979607cb7a3a757769e40e81a296a95
SHA1 hash: 29e83783b3fe5a4e483dec157141f066a6af7026
MD5 hash: 083de0a909532eb3348578a7beb95bca
humanhash: low-network-single-angel
File name:Order confirmation proforma Invoice.exe
Download: download sample
Signature Formbook
Create hunting rule
File size:905'728 bytes
First seen:2023-02-16 15:34:21 UTC
Last seen:2023-02-16 17:30:02 UTC
File type:Executable exe
MIME type:application/x-dosexec
imphash 1662538b13f763bef491d93c57c319e9 (3 x ModiLoader, 2 x Formbook)
ssdeep 12288:Cb8A+lyMML0gN55kXFyqf0bGBvGoE3IhAf1nAhglR:C4ZzML0gN5WXFaK9GoEHf1nAhglR
TLSH T12115BF1D7EDC4437D37319384A4A0E2494196AF2ED14F8F73D9CE848DBE62B2A43AD16
TrID 26.5% (.EXE) Win32 Executable Delphi generic (14182/79/4)
24.5% (.SCR) Windows screen saver (13097/50/3)
19.7% (.EXE) Win64 Executable (generic) (10523/12/4)
8.4% (.EXE) Win32 Executable (generic) (4505/5/1)
5.6% (.MZP) WinArchiver Mountable compressed Archive (3000/1)
File icon (PE):PE icon
dhash icon 79d0b2b05e9692d8 (7 x ModiLoader, 3 x Formbook)
Reporter TeamDreier
Tags:exe FormBook

Intelligence

File Origin
# of uploads :
2
# of downloads :
189
Origin country :
n/a
Vendor Threat Intelligence
Malware family:
n/a
ID:
1
File name:
Order confirmation proforma Invoice.exe
Verdict:
Malicious activity
Analysis date:
2023-02-16 15:44:07 UTC
Tags:
n/a
Link:
https://app.any.run/tasks/5ff310e9-b2c1-463c-8a97-d4baca7e0e09

Note:
ANY.RUN is an interactive sandbox that analyzes all user actions rather than an uploaded sample
Detection:
n/a
Link:
https://www.capesandbox.com/analysis/367287/
Detection(s):
SecuriteInfo.com.Trojan.GenericKD.65476603.15399.16914.UNOFFICIAL
Create hunting rule

Result
Verdict:
Malware
Maliciousness:

Behaviour
Сreating synchronization primitives
Creating a window
DNS request
Sending a custom TCP request
Creating a file
Running batch commands
Creating a process with a hidden window
Launching cmd.exe command interpreter
Launching a process
Creating a process from a recently created file
Searching for the window
Using the Windows Management Instrumentation requests
Searching for synchronization primitives
Enabling autorun with the standard Software\Microsoft\Windows\CurrentVersion\Run registry branch
Unauthorized injection to a system process
Result
Malware family:
n/a
Score:
  6/10
Tags:
n/a
Link:
https://dragonfly.certego.net/analysis/70927/overview
Behaviour
MalwareBazaar
CheckScreenResolution
CheckCmdLine
Verdict:
Likely Malicious
Threat level:
  7.5/10
Confidence:
67%
Tags:
keylogger overlay
Link:
https://www.filescan.io/uploads/63ee4d3101064cfb16682e5f/reports/4b96036c-1ae0-4bea-9059-a914b77726d8/overview
Verdict:
Malicious
Labled as:
Win/malicious_confidence_60%
Link:
https://www.hybrid-analysis.com/sample/fdff6b98ec2be3abdd05531d36bc50d514d449dc6f753fb6aa8d4657e5669828
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.
Verdict:
Malicious
Link:
https://analyze.intezer.com/analyses/7ae27f4f-bfb8-49be-967d-ce44748502df
Result
Threat name:
DBatLoader, FormBook
Create hunting rule
Detection:
malicious
Classification:
troj.evad
Score:
100 / 100
Link:
https://www.joesandbox.com/analysis/1177278
Signature
Adds a directory exclusion to Windows Defender
Allocates memory in foreign processes
Antivirus detection for URL or domain
C2 URLs / IPs found in malware configuration
Creates a thread in another existing process (thread injection)
DLL side loading technique detected
Drops executables to the windows directory (C:\Windows) and starts them
Initial sample is a PE file and has a suspicious name
Injects a PE file into a foreign processes
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
Queues an APC in another process (thread injection)
Sample uses process hollowing technique
Suspicious powershell command line found
System process connects to network (likely due to code injection or exploit)
Tries to detect virtualization through RDTSC time measurements
Tries to resolve many domain names, but no domain seems valid
Uses ping.exe to check the status of other devices and networks
Uses ping.exe to sleep
Writes to foreign memory regions
Yara detected DBatLoader
Yara detected FormBook
Behaviour
Behavior Graph:
Download SVG
behaviorgraph top1 signatures2 2 Behavior Graph ID: 810102 Sample: Order confirmation proforma... Startdate: 16/02/2023 Architecture: WINDOWS Score: 100 93 Malicious sample detected (through community Yara rule) 2->93 95 Antivirus detection for URL or domain 2->95 97 Multi AV Scanner detection for dropped file 2->97 99 6 other signatures 2->99 10 Order confirmation proforma Invoice.exe 1 23 2->10         started        15 Itfzmikw.exe 2->15         started        process3 dnsIp4 73 l-0003.l-dc-msedge.net 13.107.43.12, 443, 49714 MICROSOFT-CORP-MSN-AS-BLOCKUS United States 10->73 75 l-0004.l-dc-msedge.net 13.107.43.13, 443, 49713 MICROSOFT-CORP-MSN-AS-BLOCKUS United States 10->75 77 4 other IPs or domains 10->77 57 C:\Users\Public\Libraries\netutils.dll, PE32+ 10->57 dropped 59 C:\Users\Public\Libraries\easinvoker.exe, PE32+ 10->59 dropped 61 C:\Users\Public\Libraries\Itfzmikw.exe, PE32 10->61 dropped 115 Writes to foreign memory regions 10->115 117 Allocates memory in foreign processes 10->117 119 Creates a thread in another existing process (thread injection) 10->119 121 Injects a PE file into a foreign processes 10->121 17 iexpress.exe 10->17         started        20 cmd.exe 3 10->20         started        123 Multi AV Scanner detection for dropped file 15->123 22 iexpress.exe 15->22         started        file5 signatures6 process7 signatures8 79 Modifies the context of a thread in another process (thread injection) 17->79 81 Maps a DLL or memory area into another process 17->81 83 Sample uses process hollowing technique 17->83 91 2 other signatures 17->91 24 explorer.exe 17->24 injected 85 Uses ping.exe to sleep 20->85 87 Drops executables to the windows directory (C:\Windows) and starts them 20->87 89 Uses ping.exe to check the status of other devices and networks 20->89 28 easinvoker.exe 20->28         started        30 PING.EXE 1 20->30         started        32 xcopy.exe 2 20->32         started        35 6 other processes 20->35 process9 dnsIp10 63 www.turkcuyuz.com 24->63 65 www.thecuratedpour.com 24->65 71 23 other IPs or domains 24->71 111 System process connects to network (likely due to code injection or exploit) 24->111 37 rundll32.exe 24->37         started        40 cmd.exe 1 28->40         started        67 127.0.0.1 unknown unknown 30->67 69 192.168.2.1 unknown unknown 30->69 53 C:\Windows \System32\easinvoker.exe, PE32+ 32->53 dropped 55 C:\Windows \System32\netutils.dll, PE32+ 35->55 dropped file11 113 Tries to resolve many domain names, but no domain seems valid 65->113 signatures12 process13 signatures14 101 Modifies the context of a thread in another process (thread injection) 37->101 103 Maps a DLL or memory area into another process 37->103 105 Tries to detect virtualization through RDTSC time measurements 37->105 42 cmd.exe 37->42         started        107 Suspicious powershell command line found 40->107 109 Adds a directory exclusion to Windows Defender 40->109 44 powershell.exe 23 40->44         started        47 conhost.exe 40->47         started        process15 signatures16 49 conhost.exe 42->49         started        125 DLL side loading technique detected 44->125 51 conhost.exe 44->51         started        process17
Detection:
n/a
Link:
https://mwdb.cert.pl/sample/fdff6b98ec2be3abdd05531d36bc50d514d449dc6f753fb6aa8d4657e5669828/
Threat name:
Win32.Trojan.Leonem
Create hunting rule
Status:
Malicious
First seen:
2023-02-12 23:51:10 UTC
File Type:
PE (Exe)
Extracted files:
44
AV detection:
23 of 39 (58.97%)
Threat level:
  5/5
Detection(s):
Malicious file
Link:
https://check.spamhaus.org/check/?searchterm=7x7wxghmfpr2xxifkmotnpcq2ukniso4n52t7nvkrvdfpzlgtaua._file
Verdict:
malicious
Label(s):
formbook
Create hunting rule
Result
Malware family:
xloader
Create hunting rule
Score:
  10/10
Tags:
family:modiloader family:xloader campaign:euv4 loader persistence rat trojan
Link:
https://tria.ge/reports/230216-s1cgfaac65/
Behaviour
Enumerates system info in registry
Runs ping.exe
Suspicious behavior: EnumeratesProcesses
Suspicious behavior: GetForegroundWindowSpam
Suspicious behavior: MapViewOfSection
Suspicious use of AdjustPrivilegeToken
Suspicious use of WriteProcessMemory
Suspicious use of SetThreadContext
Adds Run key to start application
Executes dropped EXE
Loads dropped DLL
ModiLoader Second Stage
Xloader payload
ModiLoader, DBatLoader
Xloader
Unpacked files
SH256 hash:
4682349d95a915780d239aae771d26869576b7c77efb983608b3907c83bdc7c6
MD5 hash:
df0cb93015884d62e4d550b1aca736d0
SHA1 hash:
1b5cef77fe197658b5179c4856a455fa81ae472a
Detections:
win_dbatloader_g1
Create hunting rule
Link:
https://www.unpac.me/results/f1f19d2e-4541-434c-bd69-a366467e764b/
Parent samples :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 hash:
fdff6b98ec2be3abdd05531d36bc50d514d449dc6f753fb6aa8d4657e5669828
MD5 hash:
083de0a909532eb3348578a7beb95bca
SHA1 hash:
29e83783b3fe5a4e483dec157141f066a6af7026
Detections:
DbatLoaderStage1
Create hunting rule
Link:
https://www.unpac.me/results/f1f19d2e-4541-434c-bd69-a366467e764b/
Malware family:
XLoader
Create hunting rule
Verdict:
Malicious
Link:
https://www.vmray.com/analyses/_mb/fdff6b98ec2b/report/overview.html
Please note that we are no longer able to provide a coverage score for Virus Total.
Threat name:
Malicious File
Score:
0.70
Link:
https://yomi.yoroi.company/submissions/fdff6b98ec2be3abdd05531d36bc50d514d449dc6f753fb6aa8d4657e5669828

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:CMD_Ping_Localhost
Create hunting rule
Rule name:Disable_Defender
Create hunting rule
Author:iam-py-test
Description:Detect files disabling or modifying Windows Defender, Windows Firewall, or Microsoft Smartscreen
Rule name:shellcode
Create hunting rule
Author:nex
Description:Matched shellcode byte patterns

File information

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

Malspam

Formbook

Executable exe fdff6b98ec2be3abdd05531d36bc50d514d449dc6f753fb6aa8d4657e5669828

(this sample)

  
Delivery method
Distributed via e-mail attachment
Cape
Cape
https://www.capesandbox.com/analysis/367287/

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