MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 f35ae0455a4272eab2d20801b0aba6931e5d5d3f8eb5dd0e6d464d4300b10594. 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: 15


Intelligence 15 IOCs YARA 5 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: f35ae0455a4272eab2d20801b0aba6931e5d5d3f8eb5dd0e6d464d4300b10594
SHA3-384 hash: 9d2c3c00514de12772ecfb49de43e4357bb66ae159750913485915627c3ded6d81820c72ad2100a6ed48eb03a43ffd95
SHA1 hash: 9c767ae562dd7aecc81d97e1a9cb73c2373f73b4
MD5 hash: 2066df5d5f8e2c7b31bc7c801e61b6ed
humanhash: mirror-five-sixteen-angel
File name:számla kiegyenlítése fizetéshez 2024. november 07.xlsx.exe
Download: download sample
Signature Formbook
Create hunting rule
File size:1'112'179 bytes
First seen:2024-11-07 08:38:34 UTC
Last seen:2024-11-07 10:27:55 UTC
File type:Executable exe
MIME type:application/x-dosexec
imphash d3bf8a7746a8d1ee8f6e5960c3f69378 (247 x Formbook, 75 x AgentTesla, 64 x SnakeKeylogger)
ssdeep 24576:uRmJkcoQricOIQxiZY1iaCQuuWqBcs33xaF/iAoRQtmyGb5:7JZoQrbTFZY1iaCQuuhx3xaFzoRQtlGl
Threatray 2'440 similar samples on MalwareBazaar
TLSH T1AD35E122F5D58036C2B333B19E7EF75A9A3D69360336D2D727C82D215EA05416B2A733
TrID 47.3% (.EXE) Win32 Executable MS Visual C++ (generic) (31206/45/13)
15.9% (.EXE) Win64 Executable (generic) (10522/11/4)
9.9% (.DLL) Win32 Dynamic Link Library (generic) (6578/25/2)
7.6% (.EXE) Win16 NE executable (generic) (5038/12/1)
6.8% (.EXE) Win32 Executable (generic) (4504/4/1)
Magika pebin
dhash icon b150b26869b2d471 (468 x Formbook, 101 x RedLineStealer, 94 x AgentTesla)
Reporter smica83
Tags:exe FormBook HUN www-1130-vip

Intelligence

File Origin
# of uploads :
2
# of downloads :
414
Origin country :
HU HU
Vendor Threat Intelligence
Malware family:
n/a
ID:
1
File name:
számla kiegyenlítése fizetéshez 2024. november 07.xlsx.exe
Verdict:
No threats detected
Analysis date:
2024-11-07 09:03:04 UTC
Tags:
n/a
Link:
https://app.any.run/tasks/9ce2f434-4cb6-4710-9b62-dbd7d2651021

Note:
ANY.RUN is an interactive sandbox that analyzes all user actions rather than an uploaded sample
Detection(s):
SecuriteInfo.com.FileRepMalware.11927.11439.UNOFFICIAL
Create hunting rule

Verdict:
Malicious
Score:
96.5%
Link:
https://cyber-fortress.com/docs/result/index.php?id=672c7cad49e92a05dde3c5af
Tags:
underscore phishing autoit emotet
Result
Verdict:
Malware
Maliciousness:

Behaviour
Creating a window
Creating a file in the %temp% directory
Launching a process
Сreating synchronization primitives
Launching cmd.exe command interpreter
Setting browser functions hooks
Unauthorized injection to a system process
Unauthorized injection to a browser process
Verdict:
Malicious
Labled as:
Trojan.Generic
Link:
https://www.hybrid-analysis.com/sample/f35ae0455a4272eab2d20801b0aba6931e5d5d3f8eb5dd0e6d464d4300b10594
Result
Verdict:
MALICIOUS
Details
Windows PE Executable
Found a Windows Portable Executable (PE) binary. Depending on context, the presence of a binary is suspicious or malicious.
Malware family:
Formbook
Create hunting rule
Verdict:
Malicious
Link:
https://analyze.intezer.com/analyses/0df8ed29-355e-4e14-948b-c767eac30239
Result
Threat name:
FormBook
Create hunting rule
Detection:
malicious
Classification:
troj.evad
Score:
100 / 100
Link:
https://www.joesandbox.com/analysis/1550875
Signature
AI detected suspicious sample
C2 URLs / IPs found in malware configuration
Found malware configuration
Machine Learning detection for sample
Malicious sample detected (through community Yara rule)
Maps a DLL or memory area into another process
Modifies the context of a thread in another process (thread injection)
Multi AV Scanner detection for submitted file
Performs DNS queries to domains with low reputation
Queues an APC in another process (thread injection)
Sample uses process hollowing technique
Sigma detected: Suspicious Double Extension File Execution
Suricata IDS alerts for network traffic
Switches to a custom stack to bypass stack traces
Tries to detect virtualization through RDTSC time measurements
Tries to resolve many domain names, but no domain seems valid
Writes to foreign memory regions
Yara detected FormBook
Behaviour
Behavior Graph:
Download SVG
behaviorgraph top1 dnsIp2 2 Behavior Graph ID: 1550875 Sample: sz#U00e1mla kiegyenl#U00edt... Startdate: 07/11/2024 Architecture: WINDOWS Score: 100 29 www.dlpli.xyz 2->29 31 www.uycarpaylater-02-t1e-01.today 2->31 33 10 other IPs or domains 2->33 35 Suricata IDS alerts for network traffic 2->35 37 Found malware configuration 2->37 39 Malicious sample detected (through community Yara rule) 2->39 43 8 other signatures 2->43 11 sz#U00e1mla kiegyenl#U00edt#U00e9se fizet#U00e9shez 2024. november 07.xlsx.exe 1 2->11         started        signatures3 41 Performs DNS queries to domains with low reputation 29->41 process4 file5 27 C:\Users\user\AppData\Local\...\unbarricadoed, Microsoft 11->27 dropped 53 Writes to foreign memory regions 11->53 55 Maps a DLL or memory area into another process 11->55 15 svchost.exe 11->15         started        signatures6 process7 signatures8 57 Modifies the context of a thread in another process (thread injection) 15->57 59 Maps a DLL or memory area into another process 15->59 61 Sample uses process hollowing technique 15->61 63 3 other signatures 15->63 18 explorer.exe 56 1 15->18 injected process9 process10 20 control.exe 18->20         started        signatures11 45 Modifies the context of a thread in another process (thread injection) 20->45 47 Maps a DLL or memory area into another process 20->47 49 Tries to detect virtualization through RDTSC time measurements 20->49 51 Switches to a custom stack to bypass stack traces 20->51 23 cmd.exe 1 20->23         started        process12 process13 25 conhost.exe 23->25         started       
Score:
100%
Verdict:
Malware
File Type:
PE
Link:
https://malprob.io/report/f35ae0455a4272eab2d20801b0aba6931e5d5d3f8eb5dd0e6d464d4300b10594
Detection:
n/a
Link:
https://mwdb.cert.pl/sample/f35ae0455a4272eab2d20801b0aba6931e5d5d3f8eb5dd0e6d464d4300b10594/
Detection(s):
Suspicious file
Link:
https://check.spamhaus.org/check/?searchterm=6nnoark2ijzovmwsbaa3bk5gsmpf2xj7r2252dtnizgugafrawka._file
Verdict:
malicious
Label(s):
formbook
Create hunting rule
unknown_loader_036
Create hunting rule
admintool_powerrun
Create hunting rule
Similar samples:
3c321f4c7feb1233711409ad1fc9371732c24a302d3e5b9cd5e238ab1a638288
Formbook
8d83a9a3bbd6e63e37b6d66c4febdbcf17a48fe77fabdd52c5bfa01a661a33da
Formbook
9244e7f4c9184e0087ea02ee9ae60f70fce3dc9e049956e1a30bbff947bbfb35
Formbook
a0ec8ea072fa0a81fb5e660f8aa278d9c06bb361080845911208d6579d15605a
Formbook
d102c80796109d88222970309735b0dced68e86ea9b641e0ee11ad2706a3db1c
Formbook
ebddd04d90d5317ac06e4a5515143c6b130a45d2c328c115f3ee37d1eb665c0c
Formbook
error
Formbook
+ 2'430 additional samples on MalwareBazaar
Result
Malware family:
formbook
Create hunting rule
Score:
  10/10
Tags:
family:formbook campaign:ud04 discovery rat spyware stealer trojan
Link:
https://tria.ge/reports/241107-kkanxaygkg/
Behaviour
Modifies registry class
Suspicious behavior: EnumeratesProcesses
Suspicious behavior: MapViewOfSection
Suspicious use of AdjustPrivilegeToken
Suspicious use of FindShellTrayWindow
Suspicious use of UnmapMainImage
Suspicious use of WriteProcessMemory
Enumerates physical storage devices
Program crash
System Location Discovery: System Language Discovery
Suspicious use of SetThreadContext
Formbook payload
Formbook
Formbook family
Verdict:
Suspicious
Tags:
n/a
YARA:
n/a
Link:
https://app.threat.zone/submission/96ea7630-59e8-45cc-b4ec-5873cac55443
Unpacked files
SH256 hash:
aff941430c111bb53330ebdb49970fd0c6e61bba9221812748b8463c5102723f
MD5 hash:
3039c9ab5f8f027f779ad83fcb7fef93
SHA1 hash:
22954bfa7212eb01a7e039edff656e08a1e3c501
Detections:
FormBook
Create hunting rule
win_formbook_g0
Create hunting rule
win_formbook_auto
Create hunting rule
win_formbook_w0
Create hunting rule
Formbook
Create hunting rule
Windows_Trojan_Formbook
Create hunting rule
Link:
https://www.unpac.me/results/2fb84b64-af9e-4fad-8a5b-ee58a96c8d42/
Parent samples :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 hash:
f35ae0455a4272eab2d20801b0aba6931e5d5d3f8eb5dd0e6d464d4300b10594
MD5 hash:
2066df5d5f8e2c7b31bc7c801e61b6ed
SHA1 hash:
9c767ae562dd7aecc81d97e1a9cb73c2373f73b4
Link:
https://www.unpac.me/results/2fb84b64-af9e-4fad-8a5b-ee58a96c8d42/
Malware family:
FormBook
Create hunting rule
Verdict:
Malicious
Link:
https://www.vmray.com/analyses/_mb/f35ae0455a42/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/f35ae0455a4272eab2d20801b0aba6931e5d5d3f8eb5dd0e6d464d4300b10594

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
Create hunting rule
Author:Jean-Philippe Teissier / @Jipe_
Description:AutoIT packer
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:DebuggerCheck__API
Create hunting rule
Reference:https://github.com/naxonez/yaraRules/blob/master/AntiDebugging.yara
Rule name:MD5_Constants
Create hunting rule
Author:phoul (@phoul)
Description:Look for MD5 constants

File information

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

BLint

The following table provides more information about this file using BLint. BLint is a Binary Linter to check the security properties, and capabilities in executables.

Findings
IDTitleSeverity
CHECK_AUTHENTICODEMissing Authenticodehigh
CHECK_DLL_CHARACTERISTICSMissing dll Security Characteristics (HIGH_ENTROPY_VA)high
CHECK_NXMissing Non-Executable Memory Protectioncritical
CHECK_PIEMissing Position-Independent Executable (PIE) Protectionhigh
Reviews
IDCapabilitiesEvidence
AUTH_APIManipulates User AuthorizationADVAPI32.dll::CopySid
ADVAPI32.dll::GetLengthSid
ADVAPI32.dll::GetAce
USER32.dll::GetUserObjectSecurity
ADVAPI32.dll::InitializeAcl
ADVAPI32.dll::InitializeSecurityDescriptor
COM_BASE_APICan Download & Execute componentsole32.dll::CLSIDFromProgID
ole32.dll::CoCreateInstance
ole32.dll::CoCreateInstanceEx
ole32.dll::CoInitializeSecurity
ole32.dll::CreateStreamOnHGlobal
MULTIMEDIA_APICan Play MultimediaWINMM.dll::mciSendStringW
WINMM.dll::timeGetTime
WINMM.dll::waveOutSetVolume
SECURITY_BASE_APIUses Security Base APIADVAPI32.dll::AddAce
ADVAPI32.dll::AdjustTokenPrivileges
ADVAPI32.dll::DuplicateTokenEx
ADVAPI32.dll::GetAclInformation
ADVAPI32.dll::GetSecurityDescriptorDacl
ADVAPI32.dll::GetTokenInformation
SHELL_APIManipulates System ShellSHELL32.dll::ShellExecuteExW
SHELL32.dll::ShellExecuteW
SHELL32.dll::SHFileOperationW
WIN32_PROCESS_APICan Create Process and ThreadsADVAPI32.dll::CreateProcessAsUserW
KERNEL32.dll::CreateProcessW
ADVAPI32.dll::CreateProcessWithLogonW
KERNEL32.dll::OpenProcess
ADVAPI32.dll::OpenProcessToken
ADVAPI32.dll::OpenThreadToken
WIN_BASE_APIUses Win Base APIKERNEL32.dll::TerminateProcess
KERNEL32.dll::SetSystemPowerState
KERNEL32.dll::LoadLibraryW
KERNEL32.dll::LoadLibraryExW
KERNEL32.dll::LoadLibraryA
KERNEL32.dll::GetDriveTypeW
WIN_BASE_EXEC_APICan Execute other programsKERNEL32.dll::WriteConsoleW
KERNEL32.dll::SetStdHandle
KERNEL32.dll::GetConsoleCP
KERNEL32.dll::GetConsoleMode
WIN_BASE_IO_APICan Create FilesKERNEL32.dll::CopyFileW
KERNEL32.dll::CreateDirectoryW
KERNEL32.dll::CreateHardLinkW
KERNEL32.dll::CreateFileW
KERNEL32.dll::DeleteFileW
KERNEL32.dll::MoveFileW
WIN_BASE_USER_APIRetrieves Account InformationKERNEL32.dll::GetComputerNameW
ADVAPI32.dll::GetUserNameW
ADVAPI32.dll::LogonUserW
ADVAPI32.dll::LookupPrivilegeValueW
WIN_NETWORK_APISupports Windows NetworkingMPR.dll::WNetAddConnection2W
MPR.dll::WNetUseConnectionW
WIN_REG_APICan Manipulate Windows RegistryADVAPI32.dll::RegConnectRegistryW
ADVAPI32.dll::RegCreateKeyExW
ADVAPI32.dll::RegDeleteKeyW
ADVAPI32.dll::RegOpenKeyExW
ADVAPI32.dll::RegQueryValueExW
ADVAPI32.dll::RegSetValueExW
WIN_SVC_APICan Manipulate Windows ServicesADVAPI32.dll::OpenSCManagerW
ADVAPI32.dll::UnlockServiceDatabase
WIN_USER_APIPerforms GUI ActionsUSER32.dll::BlockInput
USER32.dll::CloseDesktop
USER32.dll::CreateMenu
USER32.dll::EmptyClipboard
USER32.dll::FindWindowExW
USER32.dll::FindWindowW

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