MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 931ca0a82eeccadb3fd1078b372777109e1cf23c92f98e72e63d13c2c290bb37. 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 21 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: 931ca0a82eeccadb3fd1078b372777109e1cf23c92f98e72e63d13c2c290bb37
SHA3-384 hash: ea69391960fbb7053c9c72545fd75af4eb75037762c14a6838f20ae60a10653f386521033927e4cec707d994eaf9eb99
SHA1 hash: f3676df91ae80daf9263728f0640a37656f26d28
MD5 hash: 14f877a5bafb97e34801b9a2f8a9e898
humanhash: glucose-beryllium-tennessee-steak
File name:SecuriteInfo.com.Trojan.Remcos.650.11911.3300
Download: download sample
Signature Formbook
Create hunting rule
File size:1'894'912 bytes
First seen:2026-01-07 14:33:46 UTC
Last seen:2026-01-07 15:23:42 UTC
File type:Executable exe
MIME type:application/x-dosexec
imphash f8bf7b54f582b47a2308f7e0b43974d9 (2 x RemcosRAT, 2 x Formbook)
ssdeep 24576:1DUyD7vMf1/iw0/GUhikiJaHj9D/Q9ofR/yMKbXRxmIbF1THo:1tTDhUJaD9LF6PDjmIbbTHo
TLSH T17495C062A3905433D5735A389C2BA375042EBE101E1BA486FEED9E4C8F776817DE1393
TrID 26.4% (.EXE) Win64 Executable (generic) (10522/11/4)
25.1% (.EXE) DOS Borland compiled Executable (generic) (10000/1/2)
16.5% (.DLL) Win32 Dynamic Link Library (generic) (6578/25/2)
11.3% (.EXE) Win32 Executable (generic) (4504/4/1)
5.2% (.EXE) Win16/32 Executable Delphi generic (2072/23)
Magika pebin
Reporter SecuriteInfoCom
Tags:exe FormBook

Intelligence

File Origin
# of uploads :
2
# of downloads :
103
Origin country :
FR FR
Vendor Threat Intelligence
No detections
Malware family:
formbook
Create hunting rule
ID:
1
File name:
SecuriteInfo.com.Trojan.Remcos.650.11911.3300
Verdict:
Malicious activity
Analysis date:
2026-01-07 14:36:03 UTC
Tags:
delphi formbook stealer xloader
Link:
https://app.any.run/tasks/62a892b0-4e03-435b-b60d-f8cc400d0f33

Note:
ANY.RUN is an interactive sandbox that analyzes all user actions rather than an uploaded sample
Detection:
n/a
Link:
https://www.capesandbox.com/analysis/48071/
Verdict:
Malicious
Score:
90.9%
Link:
https://cyber-fortress.com/docs/result/index.php?id=695e6ee8f50945831dfe538e
Tags:
emotet micro blic
Result
Verdict:
Malware
Maliciousness:

Behaviour
Сreating synchronization primitives
Creating a window
Creating a file
Creating a process from a recently created file
Sending a custom TCP request
Launching a process
Launching cmd.exe command interpreter
Setting browser functions hooks
Unauthorized injection to a recently created process
Unauthorized injection to a recently created process by context flags manipulation
Unauthorized injection to a system process
Unauthorized injection to a browser process
Verdict:
Likely Malicious
Threat level:
  7.5/10
Confidence:
100%
Tags:
adaptive-context anti-debug borland_delphi fingerprint keylogger packed
Link:
https://www.filescan.io/uploads/695e6ee787e75cdd5af6b86e/reports/31e98272-4d0f-4460-923a-5380bec1b38c/overview
Verdict:
Malicious
Labled as:
Win/malicious_confidence_70%
Link:
https://www.hybrid-analysis.com/sample/931ca0a82eeccadb3fd1078b372777109e1cf23c92f98e72e63d13c2c290bb37
Verdict:
Malicious
File Type:
exe x32
First seen:
2026-01-07T08:50:00Z UTC
Last seen:
2026-01-08T04:36:00Z UTC
Hits:
~10
Detections:
Trojan-Spy.Win32.Noon.sb Trojan-Dropper.Win32.Injector.sb Trojan.Win32.SpeedBit.sb Trojan.Win32.Agent.sb HEUR:Backdoor.Win32.Remcos.gen HEUR:Backdoor.Win32.Agent.gen Backdoor.Win32.Blakken.sb
Link:
https://opentip.kaspersky.com/931ca0a82eeccadb3fd1078b372777109e1cf23c92f98e72e63d13c2c290bb37/results?tab=lookup
Verdict:
Malicious
Link:
https://analyze.intezer.com/analyses/d258cf4e-8fda-4251-8546-ba778c6499b9
Score:
98%
Verdict:
Malware
File Type:
PE
Link:
https://malprob.io/report/931ca0a82eeccadb3fd1078b372777109e1cf23c92f98e72e63d13c2c290bb37
Verdict:
inconclusive
YARA:
4 match(es)
Tags:
Executable PE (Portable Executable) PE File Layout Win 32 Exe x86
Link:
https://app.malva.re/file/14f877a5bafb97e34801b9a2f8a9e898
Detection:
n/a
Link:
https://mwdb.cert.pl/sample/931ca0a82eeccadb3fd1078b372777109e1cf23c92f98e72e63d13c2c290bb37/
Verdict:
Malicious
Threat:
Family.FORMBOOK
Link:
https://tip.neiki.dev/file/931ca0a82eeccadb3fd1078b372777109e1cf23c92f98e72e63d13c2c290bb37
Threat name:
Win32.Backdoor.Remcos
Create hunting rule
Status:
Malicious
First seen:
2026-01-07 14:34:17 UTC
File Type:
PE (Exe)
Extracted files:
44
AV detection:
15 of 24 (62.50%)
Threat level:
  5/5
Detection(s):
Malicious file
Link:
https://check.spamhaus.org/check/?searchterm=smokbkbo5tfnwp6ra6ftoj3xccpbz4r4sl4y44xghuj4fquqxm3q._file
Verdict:
malicious
Label(s):
dbatloader
Create hunting rule
formbook
Create hunting rule
Similar samples:
error
Formbook
Result
Malware family:
formbook
Create hunting rule
Score:
  10/10
Tags:
family:formbook campaign:pe02 discovery rat spyware stealer trojan
Link:
https://tria.ge/reports/260107-rxh95shv9f/
Behaviour
Gathers network information
Suspicious behavior: EnumeratesProcesses
Suspicious behavior: GetForegroundWindowSpam
Suspicious behavior: MapViewOfSection
Suspicious use of AdjustPrivilegeToken
Suspicious use of UnmapMainImage
Suspicious use of WriteProcessMemory
System Location Discovery: System Language Discovery
Suspicious use of SetThreadContext
Executes dropped EXE
Formbook payload
Formbook
Formbook family
Verdict:
Malicious
Tags:
n/a
YARA:
n/a
Link:
https://app.threat.zone/submission/fc447544-98c0-4696-82fd-1087ed13939a
Unpacked files
SH256 hash:
931ca0a82eeccadb3fd1078b372777109e1cf23c92f98e72e63d13c2c290bb37
MD5 hash:
14f877a5bafb97e34801b9a2f8a9e898
SHA1 hash:
f3676df91ae80daf9263728f0640a37656f26d28
Link:
https://www.unpac.me/results/58bb9a06-a774-4f42-9b00-e6d4b714e349/
SH256 hash:
7bcdc2e607abc65ef93afd009c3048970d9e8d1c2a18fc571562396b13ebb301
MD5 hash:
c116d3604ceafe7057d77ff27552c215
SHA1 hash:
452b14432fb5758b46f2897aeccd89f7c82a727d
Link:
https://www.unpac.me/results/58bb9a06-a774-4f42-9b00-e6d4b714e349/
SH256 hash:
0421211389d0de69a1ab24415c6b83cf1725e3643752a2858cdeb6baacd15638
MD5 hash:
26c425142b1f3c102b50aabb70e398f4
SHA1 hash:
3c492535e29b9c4522b09deed19ed168fd05bbc9
Detections:
win_formbook_w0
Create hunting rule
win_formbook_auto
Create hunting rule
win_formbook_g0
Create hunting rule
FormBook
Create hunting rule
Windows_Trojan_Formbook
Create hunting rule
Formbook
Create hunting rule
Link:
https://www.unpac.me/results/58bb9a06-a774-4f42-9b00-e6d4b714e349/
Parent samples :
931ca0a82eeccadb3fd1078b372777109e1cf23c92f98e72e63d13c2c290bb37
06052b42027916a8eb6ba0a4dc83929a23c8ac430749e524802b0b9fee7cf109
Malware family:
FormBook
Create hunting rule
Verdict:
Malicious
Link:
https://www.vmray.com/analyses/_mb/931ca0a82eec/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/931ca0a82eeccadb3fd1078b372777109e1cf23c92f98e72e63d13c2c290bb37

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:Borland
Create hunting rule
Author:malware-lu
Rule name:cobalt_strike_tmp01925d3f
Create hunting rule
Author:The DFIR Report
Description:files - file ~tmp01925d3f.exe
Reference:https://thedfirreport.com
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: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:FreddyBearDropper
Create hunting rule
Author:Dwarozh Hoshiar
Description:Freddy Bear Dropper is dropping a malware through base63 encoded powershell scrip.
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_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/

File information

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

Web download

Formbook

Executable exe 931ca0a82eeccadb3fd1078b372777109e1cf23c92f98e72e63d13c2c290bb37

(this sample)

  
URLhaus
https://urlhaus.abuse.ch/url/3752201/
  
Delivery method
Distributed via web download
Cape
Cape
https://www.capesandbox.com/analysis/48071/

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