MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 9b5938a8e6a10e191231b99e55c60c7ebce26dbc038012b60bc9682719dded33. 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: 18


Intelligence 18 IOCs YARA 9 File information Comments

SHA256 hash: 9b5938a8e6a10e191231b99e55c60c7ebce26dbc038012b60bc9682719dded33
SHA3-384 hash: 4d5eac1a52a1fac1662116615d705d2f5c1c83c9684a012087203d6232b067153bddcc43953de1e73a8697a58fe566eb
SHA1 hash: 7d319c8e4226b74ef64ba78374dd8c2f57f2d2b2
MD5 hash: 124436d3d167617af47a29aa4adb4df6
humanhash: alanine-uncle-oscar-nebraska
File name:Payment Confirmation Notification est Booking 3419002928382.exe
Download: download sample
Signature Formbook
File size:1'238'528 bytes
First seen:2025-08-22 05:49:16 UTC
Last seen:2025-09-05 13:00:53 UTC
File type:Executable exe
MIME type:application/x-dosexec
imphash 0b768923437678ce375719e30b21693e (143 x Formbook, 25 x MassLogger, 22 x SnakeKeylogger)
ssdeep 24576:I5EmXFtKaL4/oFe5T9yyXYfP1ijXdaNUNLbhvKIZZpq0utYYogs:IPVt/LZeJbInQRaNUJFtZpqJtY
TLSH T16945BF027391C066FFAB92334F5AF6115BBC79260123A62F13981D7ABD701B1563E7A3
TrID 40.3% (.EXE) Win64 Executable (generic) (10522/11/4)
19.3% (.EXE) Win16 NE executable (generic) (5038/12/1)
17.2% (.EXE) Win32 Executable (generic) (4504/4/1)
7.7% (.EXE) OS/2 Executable (generic) (2029/13)
7.6% (.EXE) Generic Win/DOS Executable (2002/3)
Magika pebin
dhash icon aae2f3e38383b629 (2'034 x Formbook, 1'183 x CredentialFlusher, 666 x AgentTesla)
Reporter lowmal3
Tags:exe FormBook

Intelligence


File Origin
# of uploads :
2
# of downloads :
75
Origin country :
DE DE
Vendor Threat Intelligence
Malware family:
n/a
ID:
1
File name:
Payment Confirmation Notification est Booking 3419002928382.exe
Verdict:
No threats detected
Analysis date:
2025-08-20 04:35:25 UTC
Tags:
n/a

Note:
ANY.RUN is an interactive sandbox that analyzes all user actions rather than an uploaded sample
Verdict:
Malicious
Score:
99.1%
Tags:
autoit emotet
Result
Verdict:
Malware
Maliciousness:

Behaviour
Creating a window
Creating a file in the %temp% directory
Launching a process
Sending a custom TCP request
Unauthorized injection to a system process
Verdict:
Likely Malicious
Threat level:
  7.5/10
Confidence:
100%
Tags:
adaptive-context autoit compiled-script fingerprint keylogger microsoft_visual_cc obfuscated packed packed packer_detected threat
Result
Threat name:
FormBook
Detection:
malicious
Classification:
troj.spyw.evad
Score:
100 / 100
Signature
Binary is likely a compiled AutoIt script file
Initial sample is a PE file and has a suspicious name
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 submitted file
Performs DNS queries to domains with low reputation
Queues an APC in another process (thread injection)
Suricata IDS alerts for network traffic
Switches to a custom stack to bypass stack traces
Tries to harvest and steal browser information (history, passwords, etc)
Tries to steal Mail credentials (via file / registry access)
Writes to foreign memory regions
Yara detected FormBook
Behaviour
Behavior Graph:
behaviorgraph top1 dnsIp2 2 Behavior Graph ID: 1760834 Sample: Payment Confirmation Notifi... Startdate: 20/08/2025 Architecture: WINDOWS Score: 100 31 www.stevelynchguitar.xyz 2->31 33 www.nuveya.xyz 2->33 35 3 other IPs or domains 2->35 43 Suricata IDS alerts for network traffic 2->43 45 Multi AV Scanner detection for submitted file 2->45 47 Yara detected FormBook 2->47 51 3 other signatures 2->51 11 Payment Confirmation Notification est Booking 3419002928382.exe 4 2->11         started        signatures3 49 Performs DNS queries to domains with low reputation 33->49 process4 signatures5 61 Binary is likely a compiled AutoIt script file 11->61 63 Writes to foreign memory regions 11->63 65 Maps a DLL or memory area into another process 11->65 14 svchost.exe 11->14         started        process6 signatures7 67 Maps a DLL or memory area into another process 14->67 17 1FMSsbTdn.exe 14->17 injected process8 process9 19 ARP.EXE 13 17->19         started        signatures10 53 Tries to steal Mail credentials (via file / registry access) 19->53 55 Tries to harvest and steal browser information (history, passwords, etc) 19->55 57 Modifies the context of a thread in another process (thread injection) 19->57 59 3 other signatures 19->59 22 XlWcUEvKM.exe 19->22 injected 25 chrome.exe 19->25         started        27 firefox.exe 19->27         started        process11 dnsIp12 37 www.nuveya.xyz 159.198.76.235, 49700, 49701, 49702 CAT-IDC-4BYTENET-AS-APCATTELECOMPublicCompanyLtdCATT United States 22->37 39 stevelynchguitar.xyz 3.33.130.190, 49696, 49697, 49698 AMAZONEXPANSIONGB United States 22->39 41 2 other IPs or domains 22->41 29 WerFault.exe 4 25->29         started        process13
Verdict:
Malware
YARA:
7 match(es)
Tags:
AutoIt Decompiled Executable PDB Path PE (Portable Executable) PE File Layout Suspect Win 32 Exe x86
Threat name:
Win32.Trojan.AutoitInject
Status:
Malicious
First seen:
2025-08-20 02:25:05 UTC
File Type:
PE (Exe)
Extracted files:
28
AV detection:
26 of 38 (68.42%)
Threat level:
  5/5
Verdict:
malicious
Label(s):
formbook
Similar samples:
Result
Malware family:
formbook
Score:
  10/10
Tags:
family:formbook discovery rat spyware stealer trojan
Behaviour
Suspicious use of FindShellTrayWindow
Suspicious use of SendNotifyMessage
Suspicious use of WriteProcessMemory
Suspicious behavior: EnumeratesProcesses
Suspicious behavior: MapViewOfSection
System Location Discovery: System Language Discovery
Suspicious use of SetThreadContext
Formbook payload
Formbook
Formbook family
Verdict:
Suspicious
Tags:
n/a
YARA:
n/a
Unpacked files
SH256 hash:
9b5938a8e6a10e191231b99e55c60c7ebce26dbc038012b60bc9682719dded33
MD5 hash:
124436d3d167617af47a29aa4adb4df6
SHA1 hash:
7d319c8e4226b74ef64ba78374dd8c2f57f2d2b2
SH256 hash:
71207fcc5cd57a6aae6a8e63778e600202421330c3b9b150ca9f04bcb76181a9
MD5 hash:
0066ac5feeadca22c901ffbc854890e4
SHA1 hash:
108c8c071075ecd6396f5576813ad508781f4961
SH256 hash:
2307f72f9f7af0629bffb66ab2a5b604900f1e4affc231be361dbe1773e65d74
MD5 hash:
e878a0548a78b7a1aa9063fd4fd8b2cd
SHA1 hash:
367ac62f1b467329e2e5d34ce788b962dd9aa04c
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:AutoIT_Compiled
Author:@bartblaze
Description:Identifies compiled AutoIT script (as EXE). This rule by itself does NOT necessarily mean the detected file is malicious.
Rule name:CP_AllMal_Detector
Author:DiegoAnalytics
Description:CrossPlatform All Malwares Detector: Detect PE, ELF, Mach-O, scripts, archives; overlay, obfuscation, encryption, spoofing, hiding, high entropy, network communication
Rule name:CP_Script_Inject_Detector
Author:DiegoAnalytics
Description:Detects attempts to inject code into another process across PE, ELF, Mach-O binaries
Rule name:DebuggerCheck__API
Reference:https://github.com/naxonez/yaraRules/blob/master/AntiDebugging.yara
Rule name:golang_bin_JCorn_CSC846
Author:Justin Cornwell
Description:CSC-846 Golang detection ruleset
Rule name:pe_detect_tls_callbacks
Rule name:pe_no_import_table
Description:Detect pe file that no import table
Rule name:shellcode
Author:nex
Description:Matched shellcode byte patterns
Rule name:Sus_Obf_Enc_Spoof_Hide_PE
Author:XiAnzheng
Description:Check for Overlay, Obfuscating, Encrypting, Spoofing, Hiding, or Entropy Technique(can create FP)

File information


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

Malspam

Formbook

Executable exe 9b5938a8e6a10e191231b99e55c60c7ebce26dbc038012b60bc9682719dded33

(this sample)

  
Delivery method
Distributed via e-mail attachment

Comments