MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 8aa4a5feee91f2caa993c9624153ee2ecbe97098fc7470a5103c408376b2a12a. 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 8 File information Comments

SHA256 hash: 8aa4a5feee91f2caa993c9624153ee2ecbe97098fc7470a5103c408376b2a12a
SHA3-384 hash: 232db72f1c7c80dcc33e77bf51a748873dc834e79c0f40e0c6306c0158a8338caeeed8cc1d6eb96edcab7daa4868a0b3
SHA1 hash: f32c12bc47eb5ed31d22a9fb44331dbb71ef6151
MD5 hash: 99ac27ed7ab8bccf12782f4ffc8a3882
humanhash: delta-fifteen-nebraska-nuts
File name:New Order.exe
Download: download sample
Signature Formbook
File size:285'046 bytes
First seen:2023-02-11 23:17:54 UTC
Last seen:2023-02-13 14:12:05 UTC
File type:Executable exe
MIME type:application/x-dosexec
imphash 61259b55b8912888e90f516ca08dc514 (1'059 x Formbook, 741 x AgentTesla, 431 x GuLoader)
ssdeep 6144:vYa6P038WdlxjpAiAEPKi32kzJ6wZHtXWy9Nv33jVaRRRs5G/UG:vYtPWdHjpAWF1zbjGy33pa/m5G/x
Threatray 21'091 similar samples on MalwareBazaar
TLSH T105541310A6E9C0F3E4924E312E389A5B55CEB5312476775F03D01E86BAF71A4AD0FBE1
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 Anonymous
Tags:exe FormBook

Intelligence


File Origin
# of uploads :
10
# of downloads :
203
Origin country :
n/a
Vendor Threat Intelligence
Malware family:
formbook
ID:
1
File name:
New Order.exe
Verdict:
Malicious activity
Analysis date:
2023-02-11 23:19:59 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
Launching a process
Searching for synchronization primitives
Reading critical registry keys
DNS request
Sending an HTTP GET request
Launching the default Windows debugger (dwwin.exe)
Unauthorized injection to a recently created process
Unauthorized injection to a recently created process by context flags manipulation
Stealing user critical data
Query of malicious DNS domain
Unauthorized injection to a system process
Sending an HTTP GET request to an infection source
Result
Malware family:
n/a
Score:
  5/10
Tags:
n/a
Behaviour
MalwareBazaar
Verdict:
Malicious
Threat level:
  10/10
Confidence:
100%
Tags:
babar 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)
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 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
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: 805094 Sample: New Order.exe Startdate: 12/02/2023 Architecture: WINDOWS Score: 100 35 Snort IDS alert for network traffic 2->35 37 Multi AV Scanner detection for domain / URL 2->37 39 Malicious sample detected (through community Yara rule) 2->39 41 5 other signatures 2->41 9 New Order.exe 19 2->9         started        process3 file4 27 C:\Users\user\AppData\Local\Temp\ilbili.exe, PE32 9->27 dropped 12 ilbili.exe 1 9->12         started        process5 signatures6 53 Multi AV Scanner detection for dropped file 12->53 55 Detected unpacking (changes PE section rights) 12->55 57 Maps a DLL or memory area into another process 12->57 15 ilbili.exe 12->15         started        18 conhost.exe 12->18         started        process7 signatures8 59 Modifies the context of a thread in another process (thread injection) 15->59 61 Maps a DLL or memory area into another process 15->61 63 Sample uses process hollowing technique 15->63 65 Queues an APC in another process (thread injection) 15->65 20 explorer.exe 3 6 15->20 injected process9 dnsIp10 29 www.againstthealgorith.com 81.17.18.194, 49719, 49720, 49721 PLI-ASCH Switzerland 20->29 31 www.wanknumbers.co.uk 81.17.18.196, 49710, 49711, 49712 PLI-ASCH Switzerland 20->31 33 12 other IPs or domains 20->33 43 System process connects to network (likely due to code injection or exploit) 20->43 24 help.exe 13 20->24         started        signatures11 process12 signatures13 45 Tries to steal Mail credentials (via file / registry access) 24->45 47 Tries to harvest and steal browser information (history, passwords, etc) 24->47 49 Modifies the context of a thread in another process (thread injection) 24->49 51 Maps a DLL or memory area into another process 24->51
Threat name:
Win32.Trojan.Leonem
Status:
Malicious
First seen:
2023-02-11 08:46:47 UTC
File Type:
PE (Exe)
Extracted files:
3
AV detection:
27 of 39 (69.23%)
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:
db55ec5ea251f0e151044aa3e4a6ecef650fe33bee9645bb0de736ff722f6d16
MD5 hash:
a9f2ebd50fbc631f4c78d30f04b15038
SHA1 hash:
26373cfbca1fae48f04fa7772c44eee77b1e41d7
SH256 hash:
8aa4a5feee91f2caa993c9624153ee2ecbe97098fc7470a5103c408376b2a12a
MD5 hash:
99ac27ed7ab8bccf12782f4ffc8a3882
SHA1 hash:
f32c12bc47eb5ed31d22a9fb44331dbb71ef6151
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:cobalt_strike_tmp01925d3f
Author:The DFIR Report
Description:files - file ~tmp01925d3f.exe
Reference:https://thedfirreport.com
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 8aa4a5feee91f2caa993c9624153ee2ecbe97098fc7470a5103c408376b2a12a

(this sample)

  
Dropped by
Formbook
  
Delivery method
Distributed via e-mail attachment

Comments