MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 d551f8f0d78d6017bcd4291bc70495e45cb500402d9c45476c7af2324155a93b. 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
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: d551f8f0d78d6017bcd4291bc70495e45cb500402d9c45476c7af2324155a93b
SHA3-384 hash: 6a59cd98a23ebcf635d594c2a58f10147e4cc1ff85b4266e43cf7e1a867a91a6c19479f75b2d799416951c0682990f1a
SHA1 hash: 3ed380fea2e4e87f81906114819cdde8f9541ea7
MD5 hash: 06b965558e85444bcb3643a29170fb34
humanhash: october-uranus-bravo-friend
File name:d551f8f0d78d6017bcd4291bc70495e45cb500402d9c45476c7af2324155a93b
Download: download sample
Signature Formbook
Create hunting rule
File size:1'229'824 bytes
First seen:2025-12-04 15:20:06 UTC
Last seen:2025-12-08 16:02:50 UTC
File type:Executable exe
MIME type:application/x-dosexec
imphash 1895460fffad9475fda0c84755ecfee1 (338 x Formbook, 86 x AgentTesla, 56 x a310Logger)
ssdeep 24576:A5EmXFtKaL4/oFe5T9yyXYfP1ijXdaZXrFx5SSQu6T5fJ/QvND/0C:APVt/LZeJbInQRaZpx5LQp5x/QvN
Threatray 2'235 similar samples on MalwareBazaar
TLSH T18745BE027391C062FFAB96334F5AF6115ABC79260123AA1F13981DB9FD701B1563E7A3
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 adrian__luca
Tags:exe FormBook

Intelligence

File Origin
# of uploads :
2
# of downloads :
98
Origin country :
HU HU
Vendor Threat Intelligence
Malware configuration found for:
AutoIt
Details
AutoIt
extracted scripts and files
Link:
https://research.acce.ciphertechsolutions.com/results/1dd6001b-f979-4cd7-8380-b6b8cfe4cba6/
Malware family:
n/a
ID:
1
File name:
d551f8f0d78d6017bcd4291bc70495e45cb500402d9c45476c7af2324155a93b
Verdict:
No threats detected
Analysis date:
2025-12-04 15:20:42 UTC
Tags:
n/a
Link:
https://app.any.run/tasks/2d924904-cd39-4b34-9248-d4fa8bbc1b69

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/42505/
Detection(s):
SecuriteInfo.com.Win32.Trojan.Agent.35E5V6.UNOFFICIAL
Create hunting rule

Verdict:
Malicious
Score:
99.1%
Link:
https://cyber-fortress.com/docs/result/index.php?id=6931a6c321e2f720d66beca4
Tags:
autoit emotet
Verdict:
Malicious
Labled as:
Win/malicious_confidence_100%
Link:
https://www.hybrid-analysis.com/sample/d551f8f0d78d6017bcd4291bc70495e45cb500402d9c45476c7af2324155a93b
Verdict:
Malicious
File Type:
exe x32
First seen:
2025-11-26T21:21:00Z UTC
Last seen:
2025-12-06T05:23:00Z UTC
Hits:
~100
Detections:
Trojan-PSW.Win32.Stealer.sb Trojan-Dropper.Win32.Dorifel.sbd Trojan.Win32.Agent.sb Trojan-Spy.Win32.Noon.sb Trojan.Win32.Strab.sb Trojan-Spy.Noon.HTTP.ServerRequest PDM:Trojan.Win32.Generic Backdoor.Agent.HTTP.C&C Trojan-Spy.Win32.Noon.bohl Trojan.Win32.Zenpak.sb Trojan.Win32.Inject.sb Trojan.Win32.Auzenpak.sb
Link:
https://opentip.kaspersky.com/d551f8f0d78d6017bcd4291bc70495e45cb500402d9c45476c7af2324155a93b/results?tab=lookup
Verdict:
Malicious
Link:
https://analyze.intezer.com/analyses/55aefe31-9acc-4ccb-b0c1-f0f58ede26a8
Score:
100%
Verdict:
Malware
File Type:
PE
Link:
https://malprob.io/report/d551f8f0d78d6017bcd4291bc70495e45cb500402d9c45476c7af2324155a93b
Gathering data
Detection:
n/a
Link:
https://mwdb.cert.pl/sample/d551f8f0d78d6017bcd4291bc70495e45cb500402d9c45476c7af2324155a93b/
Verdict:
Malicious
Threat:
Family.FORMBOOK
Link:
https://tip.neiki.dev/file/d551f8f0d78d6017bcd4291bc70495e45cb500402d9c45476c7af2324155a93b
Threat name:
Win32.Trojan.AutoitInject
Create hunting rule
Status:
Malicious
First seen:
2025-11-27 01:44:11 UTC
File Type:
PE (Exe)
Extracted files:
28
AV detection:
19 of 36 (52.78%)
Threat level:
  5/5
Detection(s):
Suspicious file
Link:
https://check.spamhaus.org/check/?searchterm=2vi7r4gxrvqbppgufen4obev4rolkacafwoekr3mplzdeqkvve5q._file
Verdict:
malicious
Label(s):
formbook
Create hunting rule
Similar samples:
09472ed1c419959674e30b72c78a5fe0f7033c1ae5b6d1226468c2939dcea592
Formbook
0faf94a24b00a7dca3cb0e26b29b0c3f72f66e2f968d997ad45e74620efeb11b
Formbook
15923a9fc38c609142edebb4ff10369d18d53b82986c41b7d98c5037c191db06
Formbook
68b3414e84bca98a83ceebfc80623bd11d9dfda5452a775904b6bb707f44ab98
Formbook
7d0a9896f43a544ed63039713dea55e9a6b0217af82b3b3c80478d739c6e09a7
Formbook
893576f28b34077d76e44f7d0e0d02f7b8c78d893ae89a08d8b4fa07ea2a8769
Formbook
c8eb86820e2bb79b01f13912d9dc05afe153c0eb4465aa6ccdcb4bff68b2c343
Formbook
da3d78062454aa5135ff4c72085393ffd8470e5327da5974b29d3ae198252e7a
Formbook
error
Formbook
+ 2'225 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/251204-sqy8fsam7v/
Behaviour
Suspicious behavior: EnumeratesProcesses
Suspicious behavior: MapViewOfSection
Suspicious use of FindShellTrayWindow
Suspicious use of SendNotifyMessage
Suspicious use of WriteProcessMemory
System Location Discovery: System Language Discovery
Suspicious use of SetThreadContext
Formbook payload
Formbook
Formbook family
Verdict:
Malicious
Tags:
n/a
YARA:
n/a
Link:
https://app.threat.zone/submission/39d2a5e9-5d10-4768-9c1e-b3f18a3804f6
Unpacked files
SH256 hash:
d551f8f0d78d6017bcd4291bc70495e45cb500402d9c45476c7af2324155a93b
MD5 hash:
06b965558e85444bcb3643a29170fb34
SHA1 hash:
3ed380fea2e4e87f81906114819cdde8f9541ea7
Link:
https://www.unpac.me/results/ac875097-6701-4c28-b0a3-5a68146da4e8/
SH256 hash:
2dfb2e13a6f09dd73a4d365bea8b1f20dc164890a619a860fd339b9baa7c22cd
MD5 hash:
1dcf2feb33d006b719ebb41328b34f46
SHA1 hash:
335bcb4ff417ee7e87d543a0ad35f9e1a6decdb0
Link:
https://www.unpac.me/results/ac875097-6701-4c28-b0a3-5a68146da4e8/
SH256 hash:
9bc86927114cd0f4b2b20ddeb90f72029434be19665cb318da49cb1610365331
MD5 hash:
f293d8ef9de4503656c1d67bdb53d5f1
SHA1 hash:
bcfeae42a91bb6b10feaf4c40109b4f8a5ee83fe
Detections:
AutoIT_Compiled
Create hunting rule
Link:
https://www.unpac.me/results/ac875097-6701-4c28-b0a3-5a68146da4e8/
SH256 hash:
874057a5ecfe75a53b1a050f4d21373eaecd1d27c6706d14ae2070570ea7b97f
MD5 hash:
9c5cae4bd238bc2f9ebe2a7ed961eb0e
SHA1 hash:
99156a75dee78370a4b7bbda663fa53c677c4b34
Detections:
win_formbook_g0
Create hunting rule
Link:
https://www.unpac.me/results/ac875097-6701-4c28-b0a3-5a68146da4e8/
Parent samples :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 hash:
1e703cefc903f3983140e2da27784219a3e26f293a42276b5dc7eddb2fab2ebf
MD5 hash:
a54fc13b2bd0b94321229cda63bdf5ee
SHA1 hash:
1475111ef7e00f5045dbe1b30b92deaa8234b963
Link:
https://www.unpac.me/results/ac875097-6701-4c28-b0a3-5a68146da4e8/
Malware family:
FormBook
Create hunting rule
Verdict:
Malicious
Link:
https://www.vmray.com/analyses/_mb/d551f8f0d78d/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/d551f8f0d78d6017bcd4291bc70495e45cb500402d9c45476c7af2324155a93b

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/42505/

Comments