MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 c478dba070eef873b89b19170d8a683188f82222f30385f55faef68a8725339b. 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: 17


Intelligence 17 IOCs YARA 19 File information Comments

SHA256 hash: c478dba070eef873b89b19170d8a683188f82222f30385f55faef68a8725339b
SHA3-384 hash: a24cb8cce5c6c1f89cfb6c6e7020b59c6f466024c71a0df5a3ca63fd9c8625a7e0acdfa80e0f9eb7bb1ceaf1740875cb
SHA1 hash: 3a20a1d02e4d9cbe39b11d5d385940896b4d736b
MD5 hash: d11ab138d521b58fdcd4d8699b10c40a
humanhash: spring-whiskey-virginia-may
File name:c478dba070eef873b89b19170d8a683188f82222f30385f55faef68a8725339b
Download: download sample
Signature Formbook
File size:712'192 bytes
First seen:2025-12-08 15:33:01 UTC
Last seen:Never
File type:Executable exe
MIME type:application/x-dosexec
imphash 21371b611d91188d602926b15db6bd48 (74 x Formbook, 60 x AgentTesla, 21 x RemcosRAT)
ssdeep 12288:az7hU5I5yuNHIgzSFKxWltRohBfSTso93Uf976HhiTFPOIUrUyPI1DTANQyOK:af+iN57Gtene3cgHh0PbsUy+Tmt
TLSH T124E4238198826814E5A073318836CC609ABD3875EC567A7FC76DF25B3C74382E67778E
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 UPX
File size (compressed) :712'192 bytes
File size (de-compressed) :1'218'560 bytes
Format:win32/pe
Unpacked file: 986de4285a1b205a94670b37918398ea6b02ca39ad15dcda471ffab9a9273548

Intelligence


File Origin
# of uploads :
1
# of downloads :
79
Origin country :
HU HU
Vendor Threat Intelligence
Malware configuration found for:
AutoIt PEPacker
Details
AutoIt
extracted scripts and files
PEPacker
a UPX version number and an unpacked binary
Malware family:
n/a
ID:
1
File name:
c478dba070eef873b89b19170d8a683188f82222f30385f55faef68a8725339b
Verdict:
Malicious activity
Analysis date:
2025-12-09 01:19:26 UTC
Tags:
auto-startup

Note:
ANY.RUN is an interactive sandbox that analyzes all user actions rather than an uploaded sample
Verdict:
Malicious
Score:
99.1%
Tags:
autorun autoit
Result
Verdict:
Malware
Maliciousness:

Behaviour
Creating a window
Creating a file in the %temp% directory
Creating a file
Creating a process from a recently created file
Launching a process
DNS request
Connection attempt
Сreating synchronization primitives
Enabling autorun by creating a file
Unauthorized injection to a system process
Verdict:
Malicious
File Type:
exe x32
First seen:
2025-11-23T23:46:00Z UTC
Last seen:
2025-12-09T19:02:00Z UTC
Hits:
~100
Gathering data
Verdict:
Malware
YARA:
5 match(es)
Tags:
AutoIt Decompiled Executable PE (Portable Executable) PE File Layout Suspect Win 32 Exe x86
Threat name:
Win32.Trojan.AutoitInject
Status:
Malicious
First seen:
2025-11-24 02:48:20 UTC
File Type:
PE (Exe)
Extracted files:
52
AV detection:
21 of 36 (58.33%)
Threat level:
  5/5
Result
Malware family:
formbook
Score:
  10/10
Tags:
family:formbook discovery rat spyware stealer trojan upx
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
Drops startup file
Executes dropped EXE
Formbook payload
Formbook
Formbook family
Unpacked files
SH256 hash:
c478dba070eef873b89b19170d8a683188f82222f30385f55faef68a8725339b
MD5 hash:
d11ab138d521b58fdcd4d8699b10c40a
SHA1 hash:
3a20a1d02e4d9cbe39b11d5d385940896b4d736b
SH256 hash:
bca978330944842a1e41f96c687c7abb17c7e2c2dead97b32b0fe93350ab6ae4
MD5 hash:
f8a94a2ec81a38282cb918e98d5e6e8c
SHA1 hash:
a98a76b025575087d6a71b4c0f3ed4f12ec97be0
SH256 hash:
24e2cd7d384ce20772f31abdad29040cf61101b577056a879dc1a6a067abad4e
MD5 hash:
1ba34192fc0ae23c3905e855106479d6
SHA1 hash:
55a673f2796824851023007f2d7446a641dbee2d
Detections:
AutoIT_Compiled
Please note that we are no longer able to provide a coverage score for Virus Total.

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
Author:DiegoAnalytics
Description:Detects attempts to inject code into another process across PE, ELF, Mach-O binaries
Rule name:DebuggerCheck__GlobalFlags
Reference:https://github.com/naxonez/yaraRules/blob/master/AntiDebugging.yara
Rule name:DebuggerCheck__QueryInfo
Reference:https://github.com/naxonez/yaraRules/blob/master/AntiDebugging.yara
Rule name:DebuggerHiding__Active
Reference:https://github.com/naxonez/yaraRules/blob/master/AntiDebugging.yara
Rule name:DebuggerHiding__Thread
Reference:https://github.com/naxonez/yaraRules/blob/master/AntiDebugging.yara
Rule name:DetectEncryptedVariants
Author:Zinyth
Description:Detects 'encrypted' in ASCII, Unicode, base64, or hex-encoded
Rule name:dgaagas
Author:Harshit
Description:Uses certutil.exe to download a file named test.txt
Rule name:golang_bin_JCorn_CSC846
Author:Justin Cornwell
Description:CSC-846 Golang detection ruleset
Rule name:MD5_Constants
Author:phoul (@phoul)
Description:Look for MD5 constants
Rule name:meth_stackstrings
Author:Willi Ballenthin
Rule name:pe_detect_tls_callbacks
Rule name:pe_no_import_table
Description:Detect pe file that no import table
Rule name:RIPEMD160_Constants
Author:phoul (@phoul)
Description:Look for RIPEMD-160 constants
Rule name:SEH__vectored
Reference:https://github.com/naxonez/yaraRules/blob/master/AntiDebugging.yara
Rule name:SHA1_Constants
Author:phoul (@phoul)
Description:Look for SHA1 constants
Rule name:shellcode
Author:nex
Description:Matched shellcode byte patterns
Rule name:TH_Win_ETW_Bypass_2025_CYFARE
Author:CYFARE
Description:Windows ETW Bypass Detection Rule - 2025
Reference:https://cyfare.net/
Rule name:UPXV200V290MarkusOberhumerLaszloMolnarJohnReiser
Author:malware-lu
Rule name:upx_largefile
Author:k3nr9

File information


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

Formbook

Executable exe c478dba070eef873b89b19170d8a683188f82222f30385f55faef68a8725339b

(this sample)

Comments