MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 5b8ff8a69aed3001cbcce96dc36e1340d61f6dcd04ff5a91478e9f14edc65cc8. 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 9 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: 5b8ff8a69aed3001cbcce96dc36e1340d61f6dcd04ff5a91478e9f14edc65cc8
SHA3-384 hash: c9993a816806343ed457f3957974f65158e9b97ca5ab0d6a6aec3f249e2a200138fa5bc44c8103803f0d3e863efb8c69
SHA1 hash: e339480af8aad71eb4c4c07e347ac7378a637006
MD5 hash: cd111d13322e9e178fdbcdaefb0af73b
humanhash: social-louisiana-happy-yellow
File name:ORDER NOTICE_pdf.exe
Download: download sample
Signature Formbook
Create hunting rule
File size:305'335 bytes
First seen:2023-04-04 22:53:24 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:/Ya6vRbTz385t2b60ZUhbc2Nvmx/zkyDDGDlf6p0:/Ylh8K6rhbclxbZ46e
Threatray 2'635 similar samples on MalwareBazaar
TLSH T1C854120066A0D4F7D8230FB22B7E9557AEBAA61130BC832F2770AD1D7A16751DF5C361
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 :
1
# of downloads :
275
Origin country :
n/a
Vendor Threat Intelligence
Malware family:
formbook
Create hunting rule
ID:
1
File name:
ORDER NOTICE_pdf.exe
Verdict:
Malicious activity
Analysis date:
2023-04-04 22:56:14 UTC
Tags:
formbook trojan stealer
Link:
https://app.any.run/tasks/ce68fd69-8314-49c5-be8d-340ff2a55afc

Note:
ANY.RUN is an interactive sandbox that analyzes all user actions rather than an uploaded sample
Detection:
Formbook
Create hunting rule
Link:
https://www.capesandbox.com/analysis/380141/
Detection(s):
Sanesecurity.Malware.28947.BadP.UNOFFICIAL
Create hunting rule

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
DNS request
Sending an HTTP GET request
Reading critical registry keys
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
Unauthorized injection to a system process
Result
Malware family:
n/a
Score:
  5/10
Tags:
n/a
Link:
https://dragonfly.certego.net/analysis/76559/overview
Behaviour
MalwareBazaar
Verdict:
Malicious
Threat level:
  10/10
Confidence:
100%
Tags:
comodo nemesis overlay packed remcos shell32.dll
Link:
https://www.filescan.io/uploads/642caa8b35c10d8aaf28a010/reports/9ec82df2-e403-41b4-90a5-c2c7798675eb/overview
Verdict:
Malicious
Labled as:
Win/malicious_confidence_100%
Link:
https://www.hybrid-analysis.com/sample/5b8ff8a69aed3001cbcce96dc36e1340d61f6dcd04ff5a91478e9f14edc65cc8
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.
Malware family:
Formbook
Create hunting rule
Verdict:
Malicious
Link:
https://analyze.intezer.com/analyses/3c97b95e-d3ed-4066-833f-dac2fa0841e9
Result
Threat name:
FormBook
Create hunting rule
Detection:
malicious
Classification:
troj.spyw.evad
Score:
100 / 100
Link:
https://www.joesandbox.com/analysis/1208473
Signature
Antivirus detection for URL or domain
Detected unpacking (changes PE section rights)
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 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:
Download SVG
behaviorgraph top1 signatures2 2 Behavior Graph ID: 841385 Sample: ORDER_NOTICE_pdf.exe Startdate: 05/04/2023 Architecture: WINDOWS Score: 100 33 Snort IDS alert for network traffic 2->33 35 Multi AV Scanner detection for domain / URL 2->35 37 Malicious sample detected (through community Yara rule) 2->37 39 5 other signatures 2->39 9 ORDER_NOTICE_pdf.exe 19 2->9         started        process3 file4 25 C:\Users\user\AppData\Local\Temp\ncaais.exe, PE32 9->25 dropped 12 ncaais.exe 9->12         started        process5 signatures6 51 Multi AV Scanner detection for dropped file 12->51 53 Detected unpacking (changes PE section rights) 12->53 55 Found evasive API chain (may stop execution after reading information in the PEB, e.g. number of processors) 12->55 57 Maps a DLL or memory area into another process 12->57 15 ncaais.exe 12->15         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 18 explorer.exe 1 1 15->18 injected process9 dnsIp10 27 vinayakamconsultancy.com 103.104.74.204, 49704, 49705, 80 WEBWERKS-AS-INWebWerksIndiaPvtLtdIN India 18->27 29 musicandgros.com 81.169.145.93, 49698, 49699, 80 STRATOSTRATOAGDE Germany 18->29 31 14 other IPs or domains 18->31 41 System process connects to network (likely due to code injection or exploit) 18->41 22 cmd.exe 13 18->22         started        signatures11 process12 signatures13 43 Tries to steal Mail credentials (via file / registry access) 22->43 45 Tries to harvest and steal browser information (history, passwords, etc) 22->45 47 Modifies the context of a thread in another process (thread injection) 22->47 49 Maps a DLL or memory area into another process 22->49
Detection:
n/a
Link:
https://mwdb.cert.pl/sample/5b8ff8a69aed3001cbcce96dc36e1340d61f6dcd04ff5a91478e9f14edc65cc8/
Threat name:
Win32.Trojan.Leonem
Create hunting rule
Status:
Malicious
First seen:
2023-03-30 09:16:26 UTC
File Type:
PE (Exe)
Extracted files:
3
AV detection:
17 of 24 (70.83%)
Threat level:
  5/5
Detection(s):
Suspicious file
Link:
https://check.spamhaus.org/check/?searchterm=loh7rju25uyads6m5fw4g3qtidlb63onat7vvekhr2prj3ogltea._file
Verdict:
malicious
Label(s):
formbook
Create hunting rule
Similar samples:
195c2339e793e897abd2ceb7fc3d675f7af1fb4b60fdf1a8d736fb4c3e35372f
Formbook
3e677355817c5d7cf457b670c028523f420442374463e5aa23f5c195ae290472
Formbook
596582af66790eee7160b485c4fa5d060b3c820af83343fe4c12fa360043a09f
Formbook
90e86051c2fb04a3f6fda85273580abca9a9131fb5e32065f620c4410febe1af
Formbook
ab0b1f056d4030a9988c12df83064169e07f5cd2a9e7c51833ff057d2d8eedf3
Formbook
b15e539ba1801af269c976fa743708a0fc474fcdf6ba3a7433a08dfbf9eb1425
Formbook
cd5a3db769491e5e9b19fe8f2703456f82dbd128babacf54ac1c494587665f72
Formbook
d67bc9de761645c9aa4b5669cd355f2fecde8b4e9b22f64f327f282754742031
Formbook
e904274bd2e5d919c63c6db8c82f908abc10d65fdba772596e2953ab708b1726
Formbook
f51bdb3c0026435904048abffb411be8b57143de59d0e66a3e2dfa3f2e5692ad
Formbook
+ 2'625 additional samples on MalwareBazaar
Result
Malware family:
n/a
Score:
  7/10
Tags:
n/a
Link:
https://tria.ge/reports/230404-2vhwpscd5x/
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:
70087257272db93cc3ee229694c3edb9ff192b0f66884801519b6e64f8b9ba7a
MD5 hash:
39a60cff62832e8d0c8647e25e57052b
SHA1 hash:
93bac0e563e4844fdc7d4b596b50056eb2a05d1d
Detections:
win_formbook_w0
Create hunting rule
win_formbook_auto
Create hunting rule
win_formbook_g0
Create hunting rule
Link:
https://www.unpac.me/results/0e79997b-4bdb-4163-95a8-b47cb44bb646/
Parent samples :
66cb83b03a810acbd9b08071efcfb055b272da2df721695fc22624c6bb6cadd6
f086fd673358b6c65312de137bfaf70f8c634586d679326d6f5824bd7d274078
44b73a7929f70ff5632934c1048cefdb22783e2adb0fa5e59a6572c0fa3225b8
5b8ff8a69aed3001cbcce96dc36e1340d61f6dcd04ff5a91478e9f14edc65cc8
04c3eb853a54a7a81fc0eb11dcaf12b481bf2e8fc303aaaa39d26fb30eafd325
407cca2ad9433a2a222f9ab1ce14060bf6d5a5c041dc8d2b545257fd0be9e8b1
SH256 hash:
ddaeba256d72a04cb802b76fc847815a819e204edc6591e40a7fd0e772716b35
MD5 hash:
a3a676918150b352c2103c2d7dc503fa
SHA1 hash:
fde1c6735e65420f602dd8053c915a37424a5cf2
Link:
https://www.unpac.me/results/0e79997b-4bdb-4163-95a8-b47cb44bb646/
SH256 hash:
eb6f49feac4ecfe5ef71b629bb608a2594efbd0568d79184a2a3fec3da942474
MD5 hash:
2a67d97f9fe8cde45b1c4d3400980629
SHA1 hash:
bcf8a30eaf596f056f02f800a8daf7f75fe94f5c
Link:
https://www.unpac.me/results/0e79997b-4bdb-4163-95a8-b47cb44bb646/
SH256 hash:
5b8ff8a69aed3001cbcce96dc36e1340d61f6dcd04ff5a91478e9f14edc65cc8
MD5 hash:
cd111d13322e9e178fdbcdaefb0af73b
SHA1 hash:
e339480af8aad71eb4c4c07e347ac7378a637006
Link:
https://www.unpac.me/results/0e79997b-4bdb-4163-95a8-b47cb44bb646/
Malware family:
XLoader
Create hunting rule
Verdict:
Malicious
Link:
https://www.vmray.com/analyses/_mb/5b8ff8a69aed/report/overview.html
Please note that we are no longer able to provide a coverage score for Virus Total.
Threat name:
Malicious File
Score:
1.00
Link:
https://yomi.yoroi.company/submissions/5b8ff8a69aed3001cbcce96dc36e1340d61f6dcd04ff5a91478e9f14edc65cc8

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:azov_Dropped
Create hunting rule
Author:Potatech
Description:Azov Detection
Rule name:meth_get_eip
Create hunting rule
Author:Willi Ballenthin
Rule name:meth_stackstrings
Create hunting rule
Author:Willi Ballenthin
Rule name:shellcode
Create hunting rule
Author:nex
Description:Matched shellcode byte patterns
Rule name:Suspicious_Macro_Presence
Create hunting rule
Author:Mehmet Ali Kerimoglu (CYB3RMX)
Description:This rule detects common malicious/suspicious implementations.
Rule name:Windows_Trojan_Formbook
Create hunting rule
Author:@malgamy12
Rule name:Windows_Trojan_Formbook_1112e116
Create hunting rule
Author:Elastic Security
Rule name:win_formbook_auto
Create hunting rule
Author:Felix Bilstein - yara-signator at cocacoding dot com
Description:Detects win.formbook.
Rule name:win_formbook_w0
Create hunting rule
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 5b8ff8a69aed3001cbcce96dc36e1340d61f6dcd04ff5a91478e9f14edc65cc8

(this sample)

  
Dropped by
Formbook
  
Delivery method
Distributed via e-mail attachment
Cape
Cape
https://www.capesandbox.com/analysis/380141/

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