MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 a5ade64362442929ca1805bedb8e50530bb2790e46bd0aa4c6e4805728325466. 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: 13


Intelligence 13 IOCs YARA 5 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: a5ade64362442929ca1805bedb8e50530bb2790e46bd0aa4c6e4805728325466
SHA3-384 hash: 3c191abff08542f483b5598b92cefc2f5213c2e21592e3f9b88d69ebcf8733fabdfa94c5f1b0e35687826a417dd0b23e
SHA1 hash: fc86edf6657ac81d58d1612de7088cc0bd60ce87
MD5 hash: ed34b680cf2b4103d23428eb4b766855
humanhash: minnesota-enemy-nine-texas
File name:Bank Form.scr
Download: download sample
Signature Formbook
Create hunting rule
File size:1'917'440 bytes
First seen:2024-08-06 06:30:10 UTC
Last seen:2024-08-06 07:22:35 UTC
File type:Executable exe
MIME type:application/x-dosexec
imphash f34d5f2d4577ed6d9ceec516c1f5a744 (48'657 x AgentTesla, 19'469 x Formbook, 12'208 x SnakeKeylogger)
ssdeep 24576:jdFIeHFlGYDAnNQu49sfO+sKK/kMyRZybL0oDMXLHFkY07Vr68KZ:jAyXUGu490TR44XrT07Vr0Z
TLSH T1A395016922D2C198C87D0FF4C83551909FB37F8698F1830FE6BA7AA96B727405C52367
TrID 71.1% (.EXE) Generic CIL Executable (.NET, Mono, etc.) (73123/4/13)
10.2% (.EXE) Win64 Executable (generic) (10523/12/4)
6.3% (.DLL) Win32 Dynamic Link Library (generic) (6578/25/2)
4.3% (.EXE) Win32 Executable (generic) (4504/4/1)
2.0% (.ICL) Windows Icons Library (generic) (2059/9)
File icon (PE):PE icon
dhash icon 8e9ab2aa9a9aaab4 (2 x Formbook, 1 x AgentTesla)
Reporter threatcat_ch
Tags:exe FormBook

Intelligence

File Origin
# of uploads :
2
# of downloads :
364
Origin country :
CH CH
Vendor Threat Intelligence
Malware family:
n/a
ID:
1
File name:
Bank Form.scr
Verdict:
Malicious activity
Analysis date:
2024-08-06 06:48:42 UTC
Tags:
darktortilla m0yv expiro sinkhole stealer rat darkgate spyware
Link:
https://app.any.run/tasks/6e0cf077-1410-4640-80ce-bab7b0a3cc10

Note:
ANY.RUN is an interactive sandbox that analyzes all user actions rather than an uploaded sample
Verdict:
Malicious
Score:
92.5%
Link:
https://cyber-fortress.com/docs/result/index.php?id=66b1c32daa5b40be0a9f9c85
Tags:
Generic
Result
Verdict:
Malware
Maliciousness:

Behaviour
Creating a window
Verdict:
Unknown
Threat level:
  2.5/10
Confidence:
100%
Tags:
masquerade vbnet
Link:
https://www.filescan.io/uploads/66b1c32899ea8891b191a674/reports/ff0662f9-50ef-4f72-bc1c-5a088d369e0b/overview
Verdict:
Malicious
Labled as:
Win/malicious_confidence_100%
Link:
https://www.hybrid-analysis.com/sample/a5ade64362442929ca1805bedb8e50530bb2790e46bd0aa4c6e4805728325466
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/4c09ffc5-2bcc-4db3-8f83-b6dfc0366190
Result
Threat name:
DarkTortilla, FormBook
Create hunting rule
Detection:
malicious
Classification:
spre.troj.expl.evad
Score:
100 / 100
Link:
https://www.joesandbox.com/analysis/1488565
Signature
AI detected suspicious sample
Allocates memory in foreign processes
Antivirus / Scanner detection for submitted sample
Antivirus detection for dropped file
Antivirus detection for URL or domain
Contains functionality to behave differently if execute on a Russian/Kazak computer
Creates files in the system32 config directory
Creates files inside the volume driver (system volume information)
Drops executable to a common third party application directory
Found direct / indirect Syscall (likely to bypass EDR)
Hides that the sample has been downloaded from the Internet (zone.identifier)
Infects executable files (exe, dll, sys, html)
Injects a PE file into a foreign processes
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
Multi AV Scanner detection for domain / URL
Multi AV Scanner detection for submitted file
Performs DNS queries to domains with low reputation
Queues an APC in another process (thread injection)
Writes to foreign memory regions
Yara detected AntiVM3
Yara detected DarkTortilla Crypter
Yara detected FormBook
Behaviour
Behavior Graph:
Download SVG
behaviorgraph top1 dnsIp2 2 Behavior Graph ID: 1488565 Sample: Bank Form.scr.exe Startdate: 06/08/2024 Architecture: WINDOWS Score: 100 45 www.jucicty.xyz 2->45 47 zlenh.biz 2->47 49 26 other IPs or domains 2->49 61 Multi AV Scanner detection for domain / URL 2->61 63 Malicious sample detected (through community Yara rule) 2->63 65 Antivirus detection for URL or domain 2->65 69 10 other signatures 2->69 10 Bank Form.scr.exe 3 2->10         started        14 alg.exe 1 2->14         started        17 AppVClient.exe 2->17         started        19 19 other processes 2->19 signatures3 67 Performs DNS queries to domains with low reputation 45->67 process4 dnsIp5 43 C:\Users\user\...\Bank Form.scr.exe.log, ASCII 10->43 dropped 77 Writes to foreign memory regions 10->77 79 Allocates memory in foreign processes 10->79 81 Hides that the sample has been downloaded from the Internet (zone.identifier) 10->81 83 Injects a PE file into a foreign processes 10->83 21 AddInProcess32.exe 1 10->21         started        57 pywolwnvd.biz 54.244.188.177, 49742, 49743, 49747 AMAZON-02US United States 14->57 85 Creates files in the system32 config directory 14->85 87 Contains functionality to behave differently if execute on a Russian/Kazak computer 17->87 89 Creates files inside the volume driver (system volume information) 19->89 91 Found direct / indirect Syscall (likely to bypass EDR) 19->91 file6 signatures7 process8 dnsIp9 51 vjaxhpbji.biz 82.112.184.197, 49759, 49760, 49766 FIRST_LINE-SP_FOR_B2B_CUSTOMERSUPSTREAMSRU Russian Federation 21->51 53 npukfztj.biz 44.221.84.105, 49750, 49751, 49757 AMAZON-AESUS United States 21->53 55 2 other IPs or domains 21->55 35 C:\Windows\System32\wbengine.exe, PE32+ 21->35 dropped 37 C:\Windows\System32\wbem\WmiApSrv.exe, PE32+ 21->37 dropped 39 C:\Windows\System32\vds.exe, PE32+ 21->39 dropped 41 141 other malicious files 21->41 dropped 71 Drops executable to a common third party application directory 21->71 73 Infects executable files (exe, dll, sys, html) 21->73 26 PClhaxRJFni.exe 21->26 injected file10 signatures11 process12 signatures13 75 Found direct / indirect Syscall (likely to bypass EDR) 26->75 29 dfrgui.exe 26->29         started        process14 signatures15 93 Maps a DLL or memory area into another process 29->93 95 Queues an APC in another process (thread injection) 29->95 32 PClhaxRJFni.exe 29->32 injected process16 signatures17 59 Found direct / indirect Syscall (likely to bypass EDR) 32->59
Score:
100%
Verdict:
Malware
File Type:
PE
Link:
https://malprob.io/report/a5ade64362442929ca1805bedb8e50530bb2790e46bd0aa4c6e4805728325466
Detection:
n/a
Link:
https://mwdb.cert.pl/sample/a5ade64362442929ca1805bedb8e50530bb2790e46bd0aa4c6e4805728325466/
Threat name:
Win32.Trojan.Znyonm
Create hunting rule
Status:
Malicious
First seen:
2024-08-06 01:27:45 UTC
AV detection:
18 of 24 (75.00%)
Threat level:
  5/5
Detection(s):
Suspicious file
Link:
https://check.spamhaus.org/check/?searchterm=uww6mq3ciqustsqyaw7nxdsqkmf3e6ioi26qvjgg4safokbskrta._file
Verdict:
malicious
Result
Malware family:
n/a
Score:
  7/10
Tags:
discovery spyware stealer
Link:
https://tria.ge/reports/240806-g92l5ssanj/
Behaviour
Checks SCSI registry key(s)
Checks processor information in registry
Modifies data under HKEY_USERS
Suspicious behavior: EnumeratesProcesses
Suspicious behavior: LoadsDriver
Suspicious behavior: MapViewOfSection
Suspicious use of AdjustPrivilegeToken
Suspicious use of FindShellTrayWindow
Suspicious use of SendNotifyMessage
Suspicious use of SetWindowsHookEx
Suspicious use of WriteProcessMemory
Uses Task Scheduler COM API
Uses Volume Shadow Copy WMI provider
Uses Volume Shadow Copy service COM API
Enumerates physical storage devices
System Location Discovery: System Language Discovery
Drops file in Program Files directory
Drops file in Windows directory
Drops file in System32 directory
Suspicious use of SetThreadContext
Executes dropped EXE
Loads dropped DLL
Reads user/profile data of web browsers
Verdict:
Suspicious
Tags:
n/a
YARA:
n/a
Link:
https://app.threat.zone/submission/eb078065-a3ee-48fa-ac7d-45ac4a1537c7
Unpacked files
SH256 hash:
a5ade64362442929ca1805bedb8e50530bb2790e46bd0aa4c6e4805728325466
MD5 hash:
ed34b680cf2b4103d23428eb4b766855
SHA1 hash:
fc86edf6657ac81d58d1612de7088cc0bd60ce87
Link:
https://www.unpac.me/results/2e74eb3b-ed25-4bbb-98e3-0b9b5519b936/
Verdict:
Malicious
Link:
https://www.vmray.com/analyses/_mb/a5ade6436244/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/a5ade64362442929ca1805bedb8e50530bb2790e46bd0aa4c6e4805728325466

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:NET
Create hunting rule
Author:malware-lu
Rule name:NETexecutableMicrosoft
Create hunting rule
Author:malware-lu
Rule name:pe_imphash
Create hunting rule
Rule name:Skystars_Malware_Imphash
Create hunting rule
Author:Skystars LightDefender
Description:imphash

File information

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

Malspam

Formbook

Executable exe a5ade64362442929ca1805bedb8e50530bb2790e46bd0aa4c6e4805728325466

(this sample)

  
Delivery method
Distributed via e-mail attachment

BLint

The following table provides more information about this file using BLint. BLint is a Binary Linter to check the security properties, and capabilities in executables.

Findings
IDTitleSeverity
CHECK_AUTHENTICODEMissing Authenticodehigh
CHECK_DLL_CHARACTERISTICSMissing dll Security Characteristics (GUARD_CF)high

Comments