MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 fdb50520996661a854a82df9661d31614b54c1f03c23c42ff41cce0d86857521. 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 8 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: fdb50520996661a854a82df9661d31614b54c1f03c23c42ff41cce0d86857521
SHA3-384 hash: 6a8ba5e8c430c74a2354924b10da19106bcb0ae863cd070e664e16224e0e440b1794aa74f5c82acf404a4358a6c7df3e
SHA1 hash: 56ddeb82ca19c0768b586aba780086f089118898
MD5 hash: 0f41ef24afd1bc626cc2cf5697b36373
humanhash: hawaii-alaska-ten-london
File name:DHL_Formular_de_Contact_23647892145.exe
Download: download sample
Signature Formbook
Create hunting rule
File size:1'227'264 bytes
First seen:2025-10-14 13:43:46 UTC
Last seen:Never
File type:Executable exe
MIME type:application/x-dosexec
imphash 1895460fffad9475fda0c84755ecfee1 (341 x Formbook, 89 x AgentTesla, 56 x a310Logger)
ssdeep 24576:D5EmXFtKaL4/oFe5T9yyXYfP1ijXda4XGJ+b3kTWZ/UjXDL4jG3d:DPVt/LZeJbInQRa4Y+bUTWtUjXXD
Threatray 2'089 similar samples on MalwareBazaar
TLSH T11E45BF027381D062FFAB91334B5AF6115BBC7A260123E62F13981D7ABD705B1563E7A3
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
Reporter abuse_ch
Tags:DHL exe FormBook

Intelligence

File Origin
# of uploads :
1
# of downloads :
107
Origin country :
SE SE
Vendor Threat Intelligence
Malware family:
n/a
ID:
1
File name:
DHL_Formular_de_Contact_23647892145.exe
Verdict:
No threats detected
Analysis date:
2025-10-14 14:14:03 UTC
Tags:
n/a
Link:
https://app.any.run/tasks/2e1ce44f-5bee-48c6-b372-2d61be6bc0a1

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/32733/
Verdict:
Malicious
Score:
91.7%
Link:
https://cyber-fortress.com/docs/result/index.php?id=68ee53c797a16d00a8d9defa
Tags:
autoit emotet
Result
Verdict:
Malware
Maliciousness:

Behaviour
Creating a window
Creating a file in the %temp% directory
Launching a process
Сreating synchronization primitives
Unauthorized injection to a system process
Verdict:
Likely Malicious
Threat level:
  7.5/10
Confidence:
100%
Tags:
adaptive-context autoit compiled-script fingerprint keylogger masquerade microsoft_visual_cc obfuscated packed packed packer_detected
Link:
https://www.filescan.io/uploads/68ee55294f3013c55e4d6a07/reports/8b1b7935-b6ea-499c-a1e0-34b42618dfd9/overview
Verdict:
Malicious
Labled as:
Win/malicious_confidence_90%
Link:
https://www.hybrid-analysis.com/sample/fdb50520996661a854a82df9661d31614b54c1f03c23c42ff41cce0d86857521
Verdict:
Malicious
File Type:
exe x32
First seen:
2025-10-13T22:03:00Z UTC
Last seen:
2025-10-16T11:03:00Z UTC
Hits:
~1000
Link:
https://opentip.kaspersky.com/fdb50520996661a854a82df9661d31614b54c1f03c23c42ff41cce0d86857521/results?tab=lookup
Malware family:
Formbook
Create hunting rule
Verdict:
Malicious
Link:
https://analyze.intezer.com/analyses/216b5209-7123-4b44-bb59-c325d313aaa2
Result
Threat name:
FormBook
Create hunting rule
Detection:
malicious
Classification:
troj.spyw.evad
Score:
100 / 100
Link:
https://www.joesandbox.com/analysis/1794925
Signature
Binary is likely a compiled AutoIt script file
Joe Sandbox ML detected suspicious sample
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:
Download SVG
behaviorgraph top1 dnsIp2 2 Behavior Graph ID: 1794925 Sample: DHL_Formular_de_Contact_236... Startdate: 14/10/2025 Architecture: WINDOWS Score: 100 27 www.hawkassistants.xyz 2->27 29 www.pavenzo.life 2->29 31 9 other IPs or domains 2->31 39 Suricata IDS alerts for network traffic 2->39 41 Multi AV Scanner detection for submitted file 2->41 43 Yara detected FormBook 2->43 47 2 other signatures 2->47 9 DHL_Formular_de_Contact_23647892145.exe 4 2->9         started        signatures3 45 Performs DNS queries to domains with low reputation 27->45 process4 signatures5 57 Binary is likely a compiled AutoIt script file 9->57 59 Writes to foreign memory regions 9->59 61 Maps a DLL or memory area into another process 9->61 63 Switches to a custom stack to bypass stack traces 9->63 12 svchost.exe 9->12         started        15 zSbaNshVsQXd.exe 9->15 injected 18 firefox.exe 9->18         started        20 chrome.exe 9->20         started        process6 dnsIp7 65 Maps a DLL or memory area into another process 12->65 22 tbiBnEWpF.exe 12->22 injected 33 www.pavenzo.life 203.161.52.180, 49724, 49725, 49726 VNPT-AS-VNVNPTCorpVN Malaysia 15->33 35 indecon.si 152.89.235.115, 49732, 49733, 49734 SIELSI Slovenia 15->35 37 4 other IPs or domains 15->37 signatures8 process9 process10 24 sdiagnhost.exe 13 22->24         started        signatures11 49 Tries to steal Mail credentials (via file / registry access) 24->49 51 Tries to harvest and steal browser information (history, passwords, etc) 24->51 53 Modifies the context of a thread in another process (thread injection) 24->53 55 3 other signatures 24->55
Score:
100%
Verdict:
Malware
File Type:
PE
Link:
https://malprob.io/report/fdb50520996661a854a82df9661d31614b54c1f03c23c42ff41cce0d86857521
Gathering data
Detection:
n/a
Link:
https://mwdb.cert.pl/sample/fdb50520996661a854a82df9661d31614b54c1f03c23c42ff41cce0d86857521/
Threat name:
Win32.Backdoor.FormBook
Create hunting rule
Status:
Malicious
First seen:
2025-10-14 01:07:19 UTC
File Type:
PE (Exe)
Extracted files:
24
AV detection:
11 of 24 (45.83%)
Threat level:
  5/5
Detection(s):
Malicious file
Link:
https://check.spamhaus.org/check/?searchterm=7w2qkiezmzq2qvfifx4wmhjrmffvjqpqhqr4il7udtha3bufouqq._file
Verdict:
malicious
Label(s):
formbook
Create hunting rule
Similar samples:
0002a2f7d00d1d6c5289a0c6915c6a761145586b191c03d6ae9320ac487c9ed3
Formbook
025b8d79911d3b0384ee29386388a7b9815024baffacacab86c3f253ce89a9e5
Formbook
11281b9f1d4f0e9042a00ec35f919bca3e86ad1954ee7f5ea29eb218d02f022b
Formbook
336b45d6525d7f84650bedc820b46047a465bb14c2e6f7829a45be9436b363d6
Formbook
5e890ef07e56cfc57a9468b04703a19455b181addb219eb5ed6d2e064b9ca8e9
Formbook
60a8f087ea808e50d83e20099aa2fbedcd15bfb580f1524db4dc9e4a757d32d5
Formbook
6a552490f5fe075731262f257c9d49392da0534935d28492bcb8a3d8fa41bb0d
Formbook
cb4788741b2c7792c25c956a4c2dab349fed2e93c175cc79c112d6faf95ec8bd
Formbook
e33e0044cb8cab8031d12c9e4cd922d81efeb5276dd5898ee2ef8b9cbdf28ddd
Formbook
error
Formbook
+ 2'079 additional samples on MalwareBazaar
Result
Malware family:
formbook
Create hunting rule
Score:
  10/10
Tags:
family:formbook discovery rat spyware stealer trojan
Link:
https://tria.ge/reports/251014-q5tkeazyhx/
Behaviour
Suspicious behavior: EnumeratesProcesses
Suspicious behavior: MapViewOfSection
Suspicious use of WriteProcessMemory
Program crash
System Location Discovery: System Language Discovery
Suspicious use of SetThreadContext
Formbook payload
Formbook
Formbook family
Verdict:
Suspicious
Tags:
n/a
YARA:
n/a
Link:
https://app.threat.zone/submission/8d0dfb1d-9c90-4948-a61a-7d131c1bb2a1
Unpacked files
SH256 hash:
fdb50520996661a854a82df9661d31614b54c1f03c23c42ff41cce0d86857521
MD5 hash:
0f41ef24afd1bc626cc2cf5697b36373
SHA1 hash:
56ddeb82ca19c0768b586aba780086f089118898
Link:
https://www.unpac.me/results/4be85a8e-d2dc-406d-bec3-29f19d96eb2c/
SH256 hash:
98555926f213e27c5280db461db212f710a910a5adb121ffeaf90b9b1911fe91
MD5 hash:
4d7d7760f2471cd40faea3d7c2a518a2
SHA1 hash:
4c4ef71e42ddfcf1b693a6b5376a4304c9a289e9
Link:
https://www.unpac.me/results/4be85a8e-d2dc-406d-bec3-29f19d96eb2c/
SH256 hash:
546a1ff4939907d32dd433bf0390de0f6f5a77ff9f877893d980d5267ddea1fa
MD5 hash:
e53f95775c478100741cfba3ab68bee2
SHA1 hash:
0f2f677c052dc0d995d6ea59c5ebd6c7ced31e2a
Detections:
win_formbook_g0
Create hunting rule
Link:
https://www.unpac.me/results/4be85a8e-d2dc-406d-bec3-29f19d96eb2c/
Malware family:
FormBook
Create hunting rule
Verdict:
Malicious
Link:
https://www.vmray.com/analyses/_mb/fdb505209966/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/fdb50520996661a854a82df9661d31614b54c1f03c23c42ff41cce0d86857521

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
Create hunting rule
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_Script_Inject_Detector
Create hunting rule
Author:DiegoAnalytics
Description:Detects attempts to inject code into another process across PE, ELF, Mach-O binaries
Rule name:DebuggerCheck__API
Create hunting rule
Reference:https://github.com/naxonez/yaraRules/blob/master/AntiDebugging.yara
Rule name:golang_bin_JCorn_CSC846
Create hunting rule
Author:Justin Cornwell
Description:CSC-846 Golang detection ruleset
Rule name:pe_detect_tls_callbacks
Create hunting rule
Rule name:pe_no_import_table
Create hunting rule
Description:Detect pe file that no import table
Rule name:shellcode
Create hunting rule
Author:nex
Description:Matched shellcode byte patterns
Rule name:TH_Generic_MassHunt_Win_Malware_2025_CYFARE
Create hunting rule
Author:CYFARE
Description:Generic Windows malware mass-hunt rule - 2025
Reference:https://cyfare.net/

File information

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

Cape
Cape
https://www.capesandbox.com/analysis/32733/

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