MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 d0c90d540a7d42b4ea424a28559edcc443ad424a993a49986e5dec551c8a348d. 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: 11


Intelligence 11 IOCs YARA 14 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: d0c90d540a7d42b4ea424a28559edcc443ad424a993a49986e5dec551c8a348d
SHA3-384 hash: e865c572edc4c1b61a97346bebebfe3ff1b948b7ed396dde6ba9c1dc1a79350f152c1df7ce03df4c072df30dc99ce64b
SHA1 hash: 49cd59212c63d4cc4cc2aa251d5aae17e39ac181
MD5 hash: e510e5b39ac7466eb0c89a01497688fe
humanhash: september-bluebird-mountain-orange
File name:d0c90d540a7d42b4ea424a28559edcc443ad424a993a49986e5dec551c8a348d.exe
Download: download sample
Signature Formbook
Create hunting rule
File size:304'128 bytes
First seen:2026-08-26 08:10:41 UTC
Last seen:Never
File type:Executable exe
MIME type:application/x-dosexec
ssdeep 6144:gqjCnJPauiGWFDBxGvFjBSbch8BHBJTNIrBLY7QpTGoUeUmRzBxlit:FoPZiJG9B0BhJTarVUmRzB6
TLSH T1085423286398E1B3F6A3F23C2E4355F32025398894311D5AF796357E55BC8CE8E62DB1
TrID 44.6% (.EXE) Win64 Executable (generic) (6522/11/2)
14.0% (.ICL) Windows Icons Library (generic) (2059/9)
13.8% (.EXE) OS/2 Executable (generic) (2029/13)
13.7% (.EXE) Generic Win/DOS Executable (2002/3)
13.6% (.EXE) DOS Executable (generic) (2000/1)
Magika pebin
Reporter whack_sh
Tags:exe FormBook whack.sh

Intelligence

File Origin
# of uploads :
1
# of downloads :
148
Origin country :
US US
Vendor Threat Intelligence
No detections
Malware family:
n/a
ID:
1
File name:
exe
Verdict:
No threats detected
Analysis date:
2026-08-26 09:14:56 UTC
Tags:
n/a
Link:
https://app.any.run/tasks/f35cafb1-dbc0-469a-895b-1b839ac499f6

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/82864/
Detection(s):
SecuriteInfo.com.W64.Formbook.AR.gen.Eldorado.31202.11296.UNOFFICIAL
Create hunting rule

Result
Verdict:
Malware
Maliciousness:

Behaviour
Launching a process
Сreating synchronization primitives
Unauthorized injection to a system process
Verdict:
Suspicious
Threat level:
  5/10
Confidence:
100%
Tags:
microsoft_visual_cc packed
Link:
https://www.filescan.io/uploads/6a8e9fa3db4311ee2f7c37fb/reports/c8b2b727-0fb1-499c-bd3d-817ab1da6dcb/overview
Verdict:
Malicious
Labled as:
Win/malicious_confidence_100%
Link:
https://www.hybrid-analysis.com/sample/d0c90d540a7d42b4ea424a28559edcc443ad424a993a49986e5dec551c8a348d
Verdict:
Unknown
File Type:
exe x64
Link:
https://opentip.kaspersky.com/d0c90d540a7d42b4ea424a28559edcc443ad424a993a49986e5dec551c8a348d/results?tab=lookup
Malware family:
Formbook
Create hunting rule
Verdict:
Malicious
Link:
https://analyze.intezer.com/analyses/83534ffd-a95f-4947-a38c-36d2ca6032e8
Score:
97%
Verdict:
Malware
File Type:
PE
Link:
https://malprob.io/report/d0c90d540a7d42b4ea424a28559edcc443ad424a993a49986e5dec551c8a348d
Verdict:
inconclusive
YARA:
4 match(es)
Tags:
Executable PE (Portable Executable) PE File Layout Win 64 Exe x64
Link:
https://app.malva.re/file/e510e5b39ac7466eb0c89a01497688fe
Detection:
n/a
Link:
https://mwdb.cert.pl/sample/d0c90d540a7d42b4ea424a28559edcc443ad424a993a49986e5dec551c8a348d/
Threat name:
Win64.Backdoor.FormBook
Create hunting rule
Status:
Malicious
First seen:
2026-08-26 08:11:16 UTC
File Type:
PE+ (Exe)
AV detection:
13 of 36 (36.11%)
Threat level:
  5/5
Detection(s):
Suspicious file
Link:
https://check.spamhaus.org/check/?searchterm=2deq2vakpvblj2scjiuflhw4yrb22qskte5etgdolxwfkhekgsgq._file
Verdict:
malicious
Label(s):
Formbook
Create hunting rule
Link:
https://reports.threatray.com/0dfe45cd-a2fa-47a4-81d2-d7f67d54fdb8
Result
Malware family:
n/a
Score:
  3/10
Tags:
n/a
Link:
https://tria.ge/reports/260826-j3c2ba11bw/
Behaviour
Suspicious behavior: EnumeratesProcesses
Unpacked files
SH256 hash:
d0c90d540a7d42b4ea424a28559edcc443ad424a993a49986e5dec551c8a348d
MD5 hash:
e510e5b39ac7466eb0c89a01497688fe
SHA1 hash:
49cd59212c63d4cc4cc2aa251d5aae17e39ac181
Link:
https://www.unpac.me/results/5ec82f97-c1eb-40c0-90a6-8aab0af56215/
Malware family:
FormBook
Create hunting rule
Verdict:
Malicious
Link:
https://www.vmray.com/analyses/_mb/d0c90d540a7d/report/overview.html
Please note that we are no longer able to provide a coverage score for Virus Total.
Threat name:
Legit
Score:
0.14
Link:
https://yomi.yoroi.company/submissions/d0c90d540a7d42b4ea424a28559edcc443ad424a993a49986e5dec551c8a348d

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: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__GlobalFlags
Create hunting rule
Reference:https://github.com/naxonez/yaraRules/blob/master/AntiDebugging.yara
Rule name:DebuggerCheck__QueryInfo
Create hunting rule
Reference:https://github.com/naxonez/yaraRules/blob/master/AntiDebugging.yara
Rule name:DebuggerHiding__Active
Create hunting rule
Reference:https://github.com/naxonez/yaraRules/blob/master/AntiDebugging.yara
Rule name:DebuggerHiding__Thread
Create hunting rule
Reference:https://github.com/naxonez/yaraRules/blob/master/AntiDebugging.yara
Rule name:DetectEncryptedVariants
Create hunting rule
Author:Zinyth
Description:Detects 'encrypted' in ASCII, Unicode, base64, or hex-encoded
Rule name:dgaagas
Create hunting rule
Author:Harshit
Description:Uses certutil.exe to download a file named test.txt
Rule name:golang_bin_JCorn_CSC846
Create hunting rule
Author:Justin Cornwell
Description:CSC-846 Golang detection ruleset
Rule name:MD5_Constants
Create hunting rule
Author:phoul (@phoul)
Description:Look for MD5 constants
Rule name:pe_no_import_table
Create hunting rule
Description:Detect pe file that no import table
Rule name:RIPEMD160_Constants
Create hunting rule
Author:phoul (@phoul)
Description:Look for RIPEMD-160 constants
Rule name:SEH__vectored
Create hunting rule
Reference:https://github.com/naxonez/yaraRules/blob/master/AntiDebugging.yara
Rule name:SHA1_Constants
Create hunting rule
Author:phoul (@phoul)
Description:Look for SHA1 constants
Rule name:TH_Win_ETW_Bypass_2025_CYFARE
Create hunting rule
Author:CYFARE
Description:Windows ETW Bypass Detection 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.

Web download

Formbook

Executable exe d0c90d540a7d42b4ea424a28559edcc443ad424a993a49986e5dec551c8a348d

(this sample)

  
Delivery method
Distributed via web download
  
URLhaus
https://urlhaus.abuse.ch/url/3908255/
Cape
Cape
https://www.capesandbox.com/analysis/82864/

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