MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 b75f2dc2c8dc3ffa44e02d896bdb8e2cc8101f96de6d823c04c30947389a40bb. 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: 19


Intelligence 19 IOCs YARA 26 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: b75f2dc2c8dc3ffa44e02d896bdb8e2cc8101f96de6d823c04c30947389a40bb
SHA3-384 hash: 6718a81c96c76f42d9f916f69ec4cd46ab7455f7352974e45e883bca8dd91073620a3e1e8f16847f6dc74a82af69b043
SHA1 hash: 82050a9bdfd805effd36ce10db414d826451b714
MD5 hash: 18d6c061c5deca939ed41b9f90f379c8
humanhash: summer-batman-helium-spaghetti
File name:RFQ6780.98748.exe
Download: download sample
Signature Formbook
Create hunting rule
File size:724'992 bytes
First seen:2025-10-28 10:13:47 UTC
Last seen:Never
File type:Executable exe
MIME type:application/x-dosexec
imphash 21371b611d91188d602926b15db6bd48 (70 x Formbook, 33 x AgentTesla, 20 x RemcosRAT)
ssdeep 12288:kz7hU5I5yuNHIgzSFKxWltRohBfSTso93U6gje6KhBHIgXJ24f2UveDzqUcx3qZe:kf+iN57Gtene3x0e6KhBooJ24fvGDzqD
TLSH T14EF423C6AB809450C95573308832CDA019787C31DC29277F873AE61B7C746E7EA97BAD
TrID 39.1% (.EXE) UPX compressed Win32 Executable (27066/9/6)
38.3% (.EXE) Win32 EXE Yoda's Crypter (26569/9/4)
7.2% (.EXE) Win16 NE executable (generic) (5038/12/1)
6.5% (.EXE) Win32 Executable (generic) (4504/4/1)
2.9% (.EXE) OS/2 Executable (generic) (2029/13)
Magika pebin
Reporter adrian__luca
Tags:exe FormBook

Intelligence

File Origin
# of uploads :
1
# of downloads :
122
Origin country :
HU HU
Vendor Threat Intelligence
Malware family:
n/a
ID:
1
File name:
RFQ6780.98748.exe
Verdict:
No threats detected
Analysis date:
2025-10-28 10:26:04 UTC
Tags:
n/a
Link:
https://app.any.run/tasks/34c8895e-0d55-45eb-9719-6a029b4b392b

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/34489/
Detection(s):
no reply from clamd
Create hunting rule

Verdict:
Malicious
Score:
96.5%
Link:
https://cyber-fortress.com/docs/result/index.php?id=6900985d9942f1282ec99b66
Tags:
virus spawn
Result
Verdict:
Malware
Maliciousness:

Behaviour
Creating a window
Creating a file in the %temp% directory
Launching a process
Сreating synchronization primitives
DNS request
Connection attempt
Unauthorized injection to a system process
Verdict:
Likely Malicious
Threat level:
  7.5/10
Confidence:
100%
Tags:
autoit compiled-script microsoft_visual_cc obfuscated packed packed packed packer_detected phishing upx
Link:
https://www.filescan.io/uploads/69009a5f11ff3db29f69d795/reports/c9ea4436-7083-4402-8171-d626992d377f/overview
Verdict:
Malicious
Labled as:
Win/malicious_confidence_60%
Link:
https://www.hybrid-analysis.com/sample/b75f2dc2c8dc3ffa44e02d896bdb8e2cc8101f96de6d823c04c30947389a40bb
Verdict:
Malicious
File Type:
exe x32
First seen:
2025-10-19T20:04:00Z UTC
Last seen:
2025-10-30T08:11:00Z UTC
Hits:
~1000
Detections:
VHO:Trojan.Win64.Injects.gyw Backdoor.Agent.HTTP.C&C Trojan.Win32.Inject.sb Trojan-Dropper.Win32.Dorifel.sbd Trojan.Win32.Agent.sb PDM:Trojan.Win32.Generic Trojan-Spy.Win32.Noon.sb Trojan.Win64.Injects.gyx Trojan.Win64.Injects.gyw Trojan.Win32.Strab.sb Trojan-Spy.Noon.HTTP.ServerRequest Trojan-PSW.Win32.Stealer.sb
Link:
https://opentip.kaspersky.com/b75f2dc2c8dc3ffa44e02d896bdb8e2cc8101f96de6d823c04c30947389a40bb/results?tab=lookup
Malware family:
Formbook
Create hunting rule
Verdict:
Malicious
Link:
https://analyze.intezer.com/analyses/7357aaf4-a2d9-4a7d-b5b4-8e7a9d05f341
Score:
100%
Verdict:
Malware
File Type:
PE
Link:
https://malprob.io/report/b75f2dc2c8dc3ffa44e02d896bdb8e2cc8101f96de6d823c04c30947389a40bb
Verdict:
Malware
YARA:
5 match(es)
Tags:
AutoIt Decompiled Executable PE (Portable Executable) PE File Layout Suspect Win 32 Exe x86
Link:
https://app.malva.re/file/18d6c061c5deca939ed41b9f90f379c8
Detection:
n/a
Link:
https://mwdb.cert.pl/sample/b75f2dc2c8dc3ffa44e02d896bdb8e2cc8101f96de6d823c04c30947389a40bb/
Verdict:
Malicious
Threat:
Family.FORMBOOK
Link:
https://tip.neiki.dev/file/b75f2dc2c8dc3ffa44e02d896bdb8e2cc8101f96de6d823c04c30947389a40bb
Threat name:
Win32.Trojan.AutoitInject
Create hunting rule
Status:
Malicious
First seen:
2025-10-19 22:57:51 UTC
File Type:
PE (Exe)
Extracted files:
52
AV detection:
29 of 36 (80.56%)
Threat level:
  5/5
Detection(s):
Malicious file
Link:
https://check.spamhaus.org/check/?searchterm=w5ps3qwi3q77urhafwewxw4oftebah4w3zwyepaeymeuooe2ic5q._file
Verdict:
malicious
Label(s):
formbook
Create hunting rule
Similar samples:
error
Formbook
Result
Malware family:
formbook
Create hunting rule
Score:
  10/10
Tags:
family:formbook discovery rat spyware stealer trojan upx
Link:
https://tria.ge/reports/251028-mf6xnafl7y/
Behaviour
Suspicious behavior: EnumeratesProcesses
Suspicious behavior: MapViewOfSection
Suspicious use of FindShellTrayWindow
Suspicious use of SendNotifyMessage
Suspicious use of WriteProcessMemory
Program crash
System Location Discovery: System Language Discovery
AutoIT Executable
Suspicious use of SetThreadContext
UPX packed file
Formbook payload
Formbook family
Formbook
Verdict:
Suspicious
Tags:
n/a
YARA:
n/a
Link:
https://app.threat.zone/submission/45513be0-ad51-449f-8e10-b39a0437b87c
Unpacked files
SH256 hash:
b75f2dc2c8dc3ffa44e02d896bdb8e2cc8101f96de6d823c04c30947389a40bb
MD5 hash:
18d6c061c5deca939ed41b9f90f379c8
SHA1 hash:
82050a9bdfd805effd36ce10db414d826451b714
Link:
https://www.unpac.me/results/77cbc625-6a8f-42da-b7a0-e2057e7634c4/
SH256 hash:
1422aab6f30745269ff8f38a747b78da2dc00108203d1e4ba53b995d06cff45b
MD5 hash:
b2391da8771487f6e7f051c24f5c192b
SHA1 hash:
c8879be828872d720c80882a92d9b6e0ea0628ea
Detections:
AutoIT_Compiled
Create hunting rule
Link:
https://www.unpac.me/results/77cbc625-6a8f-42da-b7a0-e2057e7634c4/
SH256 hash:
57dacc029e706ae184b9f8c3f8efe78b04919967b622d84261d2bf6cc7b1ff62
MD5 hash:
e0d6c5d15b34e08ed4602a1f2a22dd00
SHA1 hash:
129df54a2a54863c5fa96531d12be6702ed302cc
Link:
https://www.unpac.me/results/77cbc625-6a8f-42da-b7a0-e2057e7634c4/
SH256 hash:
7fb5e123f51210c3da7f985e84f1d6d19a686f94c5f23fe8e0fdd0e5a7968e05
MD5 hash:
5fa2df5b2ef66b37f9858b52975d88dd
SHA1 hash:
dbb76612f9e9ce2653368ec3c7fa0891fd775580
Detections:
win_formbook_g0
Create hunting rule
Link:
https://www.unpac.me/results/77cbc625-6a8f-42da-b7a0-e2057e7634c4/
Parent samples :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 family:
FormBook
Create hunting rule
Verdict:
Malicious
Link:
https://www.vmray.com/analyses/_mb/b75f2dc2c8dc/report/overview.html
Please note that we are no longer able to provide a coverage score for Virus Total.
Threat name:
Malicious File
Score:
0.94
Link:
https://yomi.yoroi.company/submissions/b75f2dc2c8dc3ffa44e02d896bdb8e2cc8101f96de6d823c04c30947389a40bb

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:Formbook
Create hunting rule
Author:kevoreilly
Description:Formbook Payload
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:meth_stackstrings
Create hunting rule
Author:Willi Ballenthin
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: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:shellcode
Create hunting rule
Author:nex
Description:Matched shellcode byte patterns
Rule name:TH_Win_ETW_Bypass_2025_CYFARE
Create hunting rule
Author:CYFARE
Description:Windows ETW Bypass Detection Rule - 2025
Reference:https://cyfare.net/
Rule name:UPXV200V290MarkusOberhumerLaszloMolnarJohnReiser
Create hunting rule
Author:malware-lu
Rule name:upx_largefile
Create hunting rule
Author:k3nr9

File information

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

Malspam

Formbook

Executable exe b75f2dc2c8dc3ffa44e02d896bdb8e2cc8101f96de6d823c04c30947389a40bb

(this sample)

  
Delivery method
Distributed via e-mail attachment
Cape
Cape
https://www.capesandbox.com/analysis/34489/

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